/* Backgammon styles: game room, matchmaking cards and rules pages. */
/* Content page selector and Backgammon rules landing page. */

.backgammon-rules-page {
    overflow: hidden;
}


.backgammon-guide-map {
    position: sticky;
    z-index: 8;
    top: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 88%, transparent);
    box-shadow: 0 8px 24px rgba(63, 36, 26, 0.06);
    backdrop-filter: blur(16px);
}

.backgammon-guide-map-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 58px;
    overflow-x: auto;
    scrollbar-width: none;
}

.backgammon-guide-map-inner::-webkit-scrollbar {
    display: none;
}

.backgammon-guide-map-inner a {
    flex: 0 0 auto;
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
    text-decoration: none;
    transition: background 160ms ease, color 160ms ease;
}

.backgammon-guide-map-inner a:hover,
.backgammon-guide-map-inner a:focus-visible {
    outline: none;
    background: color-mix(in srgb, var(--accent) 14%, var(--surface-soft));
    color: var(--primary-dark);
}

.backgammon-pdf-section {
    padding-top: 48px;
    padding-bottom: 0;
}

.backgammon-pdf-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
    padding: 26px 30px;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--line));
    border-radius: 24px;
    background:
        radial-gradient(circle at 8% 50%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 28%),
        linear-gradient(135deg, color-mix(in srgb, var(--accent) 7%, var(--surface)), var(--surface));
    box-shadow: var(--shadow);
}

.backgammon-pdf-icon {
    display: grid;
    width: 72px;
    height: 72px;
    place-items: center;
    border-radius: 20px;
    background: linear-gradient(145deg, var(--accent), #9c5d30);
    color: #fff;
    font-family: Arial, sans-serif;
    font-size: 1.05rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    box-shadow: 0 12px 22px rgba(156, 93, 48, 0.2);
}

.backgammon-pdf-copy .eyebrow {
    margin-bottom: 5px;
}

.backgammon-pdf-copy h2 {
    margin: 0 0 7px;
    color: var(--primary-dark);
    font-size: clamp(1.3rem, 2.6vw, 1.8rem);
}

.backgammon-pdf-copy > p:last-child {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
    line-height: 1.95;
}

.backgammon-pdf-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 9px;
}

html[data-theme="dark"] .backgammon-pdf-card {
    background:
        radial-gradient(circle at 8% 50%, rgba(201, 139, 83, 0.18), transparent 30%),
        linear-gradient(135deg, rgba(67, 42, 31, 0.5), var(--surface));
}

.backgammon-turn-section {
    padding-top: 74px;
}

.backgammon-turn-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 30px;
}

.backgammon-turn-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 14px;
    min-height: 190px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.backgammon-turn-number {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: #fff;
    font-size: 1rem;
    font-weight: 900;
}

.backgammon-turn-card h3,
.backgammon-advanced-card h3 {
    margin: 1px 0 9px;
    color: var(--primary-dark);
    font-size: 1.02rem;
    line-height: 1.55;
}

.backgammon-turn-card p,
.backgammon-advanced-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.9;
}

.backgammon-advanced-section {
    padding-top: 76px;
}

.backgammon-advanced-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px;
    margin-top: 30px;
}

.backgammon-advanced-card {
    display: grid;
    align-content: start;
    gap: 8px;
    min-height: 240px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 21px;
    background:
        radial-gradient(circle at 100% 0, color-mix(in srgb, var(--accent) 13%, transparent), transparent 38%),
        var(--surface);
    box-shadow: var(--shadow);
}

.backgammon-advanced-icon {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
    border-radius: 14px;
    background: color-mix(in srgb, var(--accent) 12%, var(--surface-soft));
    color: var(--primary);
    font-size: 1.15rem;
    font-weight: 900;
}

.backgammon-checklist-card,
.backgammon-glossary-card {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 25px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.backgammon-checklist-card h2,
.backgammon-glossary-card h2 {
    margin: 9px 0 22px;
    color: var(--primary-dark);
    font-size: clamp(1.55rem, 3vw, 2.45rem);
    line-height: 1.35;
}

.backgammon-checklist {
    display: grid;
    gap: 10px;
}

.backgammon-checklist div {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--line);
}

.backgammon-checklist div:last-child {
    border-bottom: 0;
}

.backgammon-checklist span {
    display: grid;
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    place-items: center;
    border-radius: 8px;
    background: color-mix(in srgb, #16825d 15%, var(--surface-soft));
    color: #16825d;
    font-weight: 900;
}

.backgammon-checklist strong {
    color: var(--ink);
    font-size: 0.9rem;
    line-height: 1.7;
}

.backgammon-glossary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}

.backgammon-glossary div {
    display: grid;
    gap: 3px;
    padding: 11px 12px;
    border-radius: 13px;
    background: var(--surface-soft);
}

.backgammon-glossary strong {
    color: var(--primary);
    font-size: 0.82rem;
}

.backgammon-glossary span {
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.65;
}

.backgammon-note-band {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    margin-top: 48px;
    padding: 18px 22px;
    border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
    border-radius: 18px;
    background: color-mix(in srgb, var(--accent) 8%, var(--surface));
}

.backgammon-note-icon {
    display: grid;
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    place-items: center;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 900;
}

.backgammon-note-band p {
    margin: 0;
    color: var(--muted);
    line-height: 1.9;
}

html[data-theme="dark"] .backgammon-guide-map {
    background: color-mix(in srgb, var(--surface) 90%, transparent);
}

@media (max-width: 920px) {
    .backgammon-turn-grid,
    .backgammon-advanced-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .backgammon-guide-map-inner {
        justify-content: flex-start;
    }

    .backgammon-turn-grid,
    .backgammon-advanced-grid,
    .backgammon-glossary {
        grid-template-columns: 1fr;
    }

    .backgammon-turn-card {
        min-height: 0;
    }

    .backgammon-checklist-card,
    .backgammon-glossary-card {
        padding: 22px 18px;
        border-radius: 20px;
    }

    .backgammon-note-band {
        margin-inline: 15px;
    }
}

.backgammon-rules-hero {
    position: relative;
    padding: 58px 0 66px;
    background:
        radial-gradient(circle at 92% 12%, rgba(201, 139, 83, 0.16), transparent 32%),
        linear-gradient(180deg, color-mix(in srgb, var(--surface-soft) 72%, transparent), transparent);
}

.backgammon-rules-hero::before {
    position: absolute;
    top: -210px;
    right: -150px;
    width: 520px;
    height: 520px;
    border: 1px solid rgba(201, 139, 83, 0.18);
    border-radius: 50%;
    box-shadow:
        0 0 0 30px rgba(201, 139, 83, 0.05),
        0 0 0 72px rgba(201, 139, 83, 0.03);
    content: "";
    pointer-events: none;
}

.backgammon-rules-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: center;
    gap: 68px;
}

.backgammon-rules-hero-copy {
    position: relative;
    z-index: 1;
}

.backgammon-rules-hero-copy h1 {
    max-width: 720px;
    margin: 0 0 22px;
    color: var(--primary-dark);
    font-size: clamp(2.75rem, 6vw, 5.7rem);
    letter-spacing: -0.045em;
    line-height: 1.12;
}

.backgammon-rules-hero-copy > p {
    max-width: 650px;
    margin: 0 0 30px;
    color: var(--muted);
    font-size: 1.12rem;
    line-height: 2;
}

.backgammon-rules-hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.backgammon-rules-hero-facts span {
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: color-mix(in srgb, var(--surface) 82%, transparent);
    color: var(--muted);
    font-size: 0.78rem;
}

.backgammon-rules-hero-facts strong {
    color: var(--primary-dark);
}

.backgammon-rules-hero-visual {
    position: relative;
    min-height: 420px;
}

.backgammon-rules-orbit {
    position: absolute;
    border: 1px solid rgba(201, 139, 83, 0.2);
    border-radius: 50%;
    pointer-events: none;
}

.backgammon-rules-orbit-one {
    inset: 5% 5% 7% 8%;
    transform: rotate(13deg);
}

.backgammon-rules-orbit-two {
    inset: 13% 13% 0 0;
    transform: rotate(-19deg);
}

.backgammon-rules-board-card {
    position: relative;
    z-index: 1;
    width: min(100%, 500px);
    margin: 0 auto;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 30px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.13), transparent 48%),
        linear-gradient(145deg, #5a3023, #24130e);
    box-shadow: 0 35px 90px rgba(70, 39, 25, 0.28);
    color: #fff;
}

.backgammon-rules-board-topline,
.backgammon-rules-board-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.backgammon-rules-board-topline {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.75rem;
    font-weight: 800;
}

.backgammon-rules-board-card img {
    display: block;
    width: 100%;
    aspect-ratio: 640 / 420;
    border-radius: 20px;
    object-fit: cover;
}

.backgammon-rules-board-caption {
    align-items: flex-end;
    padding: 15px 3px 2px;
}

.backgammon-rules-board-caption strong,
.backgammon-rules-board-caption span {
    display: block;
}

.backgammon-rules-board-caption strong {
    font-size: 1rem;
}

.backgammon-rules-board-caption span {
    color: rgba(255, 255, 255, 0.66);
    font-size: 0.73rem;
}

.backgammon-rules-overview {
    padding-top: 72px;
}

.backgammon-rules-quick-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 28px;
}

.backgammon-rules-quick-card {
    display: grid;
    gap: 7px;
    min-height: 150px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 19px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.backgammon-rules-quick-icon {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 13px;
    background: color-mix(in srgb, var(--accent) 14%, var(--surface-soft));
    color: var(--primary);
    font-size: 1.35rem;
    font-weight: 900;
}

.backgammon-rules-quick-card strong {
    color: var(--primary-dark);
    line-height: 1.6;
}

.backgammon-rules-quick-card small {
    color: var(--muted);
}

.backgammon-entry-section {
    margin-top: 72px;
}

.backgammon-entry-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 30px;
}

.backgammon-entry-card {
    position: relative;
    display: grid;
    align-content: start;
    gap: 9px;
    min-height: 220px;
    padding: 21px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.backgammon-entry-card h3,
.backgammon-rule-card h3 {
    margin: 0;
    color: var(--primary-dark);
    line-height: 1.55;
}

.backgammon-entry-card p,
.backgammon-rule-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.95;
}

.backgammon-rules-list-section {
    padding-top: 82px;
}

.backgammon-rule-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 30px;
}

.backgammon-rule-card {
    display: grid;
    align-content: start;
    gap: 11px;
    min-height: 235px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 21px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.backgammon-rule-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.backgammon-rule-icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 13px;
    background: color-mix(in srgb, #9f1239 13%, var(--surface-soft));
    color: #9f1239;
    font-size: 1.25rem;
    font-weight: 900;
}

.backgammon-rule-number {
    display: grid;
    width: 31px;
    height: 31px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 900;
}

.backgammon-reference-section {
    margin-top: 78px;
}

.backgammon-reference-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 44px;
}

.backgammon-reference-copy h2 {
    max-width: 520px;
    margin: 10px 0 12px;
    color: var(--primary-dark);
    font-size: clamp(1.8rem, 4vw, 3.2rem);
    line-height: 1.25;
}

.backgammon-reference-copy > p:last-child {
    max-width: 520px;
    margin: 0;
    color: var(--muted);
    line-height: 1.95;
}

.backgammon-reference-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.backgammon-reference-list div {
    display: flex;
    align-items: center;
    gap: 11px;
    min-height: 61px;
    padding: 10px 13px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
}

.backgammon-reference-list div:last-child {
    grid-column: 1 / -1;
}

.backgammon-reference-list span {
    display: grid;
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    place-items: center;
    border-radius: 9px;
    background: color-mix(in srgb, var(--accent) 14%, var(--surface-soft));
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 900;
}

.backgammon-reference-list strong {
    color: var(--primary-dark);
    font-size: 0.86rem;
    line-height: 1.6;
}

.backgammon-faq-section {
    padding-top: 78px;
}

.backgammon-rules-final-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    margin-top: 80px;
    margin-bottom: 80px;
    padding: 35px 40px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 27px;
    background:
        radial-gradient(circle at 10% 10%, rgba(201, 139, 83, 0.28), transparent 34%),
        linear-gradient(120deg, #3f241a, #1d120d);
    box-shadow: 0 28px 70px rgba(70, 39, 25, 0.2);
    color: #fff;
}

.backgammon-rules-final-cta h2 {
    margin: 8px 0;
    color: #fff;
    font-size: clamp(1.7rem, 4vw, 3rem);
}

.backgammon-rules-final-cta p:last-child {
    max-width: 650px;
    margin: 0;
    color: rgba(255, 255, 255, 0.74);
    line-height: 1.9;
}

.backgammon-rules-final-cta .eyebrow {
    color: #e9bd7a;
}

.backgammon-rules-final-cta .btn-secondary {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

html[data-theme="dark"] .backgammon-rules-hero {
    background:
        radial-gradient(circle at 92% 12%, rgba(201, 139, 83, 0.14), transparent 32%),
        linear-gradient(180deg, rgba(67, 42, 31, 0.35), transparent);
}

html[data-theme="dark"] .backgammon-rules-final-cta {
    background:
        radial-gradient(circle at 10% 10%, rgba(201, 139, 83, 0.22), transparent 34%),
        linear-gradient(120deg, #3c261e, #1c1411);
}

@media (max-width: 920px) {
    .backgammon-pdf-card {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .backgammon-pdf-actions {
        grid-column: 1 / -1;
        justify-content: flex-start;
    }

    .backgammon-rules-quick-grid,
    .backgammon-entry-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .backgammon-rules-hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .backgammon-rules-hero-copy {
        text-align: center;
    }

    .backgammon-rules-hero-copy > p {
        margin-inline: auto;
    }

    .backgammon-rules-hero-facts,
    .backgammon-rules-hero-copy .landing-hero-actions {
        justify-content: center;
    }
}

@media (max-width: 700px) {
    .backgammon-pdf-section {
        padding-top: 30px;
    }

    .backgammon-pdf-card {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 22px;
        text-align: center;
    }

    .backgammon-pdf-icon {
        margin-inline: auto;
    }

    .backgammon-pdf-actions {
        justify-content: center;
        width: 100%;
    }

    .backgammon-pdf-actions .btn {
        flex: 1 1 170px;
    }

    .backgammon-rule-grid,
    .backgammon-reference-layout {
        grid-template-columns: 1fr;
    }

    .backgammon-rules-hero {
        padding-top: 36px;
    }

    .backgammon-rules-hero-copy h1 {
        font-size: clamp(2.3rem, 12vw, 4rem);
    }

    .backgammon-rules-hero-copy > p {
        font-size: 0.95rem;
    }

    .backgammon-rules-hero-visual {
        min-height: 0;
    }

    .backgammon-rules-overview,
    .backgammon-rules-list-section,
    .backgammon-reference-section,
    .backgammon-faq-section {
        padding-top: 54px;
    }

    .backgammon-entry-section {
        margin-top: 54px;
    }

    .backgammon-rules-final-cta {
        align-items: stretch;
        flex-direction: column;
        margin-top: 54px;
        margin-bottom: 54px;
        padding: 25px 20px;
        border-radius: 21px;
    }

    .backgammon-rules-final-cta .hero-actions {
        width: 100%;
        flex-direction: column;
    }

    .backgammon-rules-final-cta .btn {
        width: 100%;
    }
}

@media (max-width: 460px) {

    .backgammon-rules-quick-grid,
    .backgammon-entry-grid,
    .backgammon-reference-list {
        grid-template-columns: 1fr;
    }

    .backgammon-reference-list div:last-child {
        grid-column: auto;
    }

    .backgammon-rules-board-card {
        padding: 14px;
        border-radius: 22px;
    }
}

/*
 * Backgammon room: perspective-aware board, central bar, borne-off rails and
 * an explicit player color indicator. The final container override at the end
 * of this file completes the cascade against the older prototype styles.
 */
.backgammon-player-color {
    display: inline-flex;
    min-width: 48px;
    align-items: center;
    justify-content: center;
    padding: 3px 8px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
}

.backgammon-player-color.is-white {
    border-color: #c7b7a5;
    background: #fffaf0;
    color: #5b4537;
}

.backgammon-player-color.is-black {
    border-color: #45332e;
    background: #2a211e;
    color: #fff8ef;
}

.backgammon-opening-die {
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    padding: 4px;
    border: 1px solid var(--accent);
    border-radius: 8px;
    background: var(--surface);
    color: var(--primary-dark);
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
}

.backgammon-opening-die[hidden] {
    display: none;
}

.backgammon-opening-die .backgammon-die-pip {
    width: 5px;
    height: 5px;
}

.backgammon-player-heading {
    flex-wrap: wrap;
}

.backgammon-board-stage {
    display: grid;
    position: relative;
    grid-template-columns: 72px minmax(0, 1fr) 88px;
    gap: 12px;
    align-items: stretch;
    box-sizing: border-box;
    padding: 10px;
    overflow: hidden;
    border: 7px solid #bd7b48;
    border-radius: 18px;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 20%, transparent 80%, rgba(0, 0, 0, 0.11)),
        #8d4d2e;
    box-shadow:
        inset 0 0 0 2px rgba(79, 34, 18, 0.28),
        0 16px 24px rgba(0, 0, 0, 0.15);
    direction: ltr;
}

.backgammon-board-rail {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    direction: rtl;
}

.backgammon-cube-rail {
    justify-content: center;
}

.backgammon-doubling-cube {
    display: grid;
    width: 62px;
    min-height: 76px;
    place-items: center;
    padding: 8px 5px;
    border: 2px solid var(--accent);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 7px 14px rgba(0, 0, 0, 0.16);
    color: #2a1b16;
    font: inherit;
    text-align: center;
    appearance: none;
    -webkit-appearance: none;
    cursor: default;
    opacity: 1;
}

.backgammon-doubling-cube.is-actionable {
    cursor: pointer;
    box-shadow:
        0 0 0 3px rgba(37, 99, 235, 0.3),
        0 7px 14px rgba(0, 0, 0, 0.16);
}

.backgammon-doubling-cube.is-actionable:hover,
.backgammon-doubling-cube.is-actionable:focus-visible {
    border-color: #2563eb;
    outline: 3px solid rgba(96, 165, 250, 0.7);
    outline-offset: 2px;
}

.backgammon-doubling-cube[hidden] {
    display: none;
}

.backgammon-doubling-cube strong {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 1.55rem;
    line-height: 1;
}

.backgammon-doubling-cube span {
    font-size: 0.62rem;
    font-weight: 800;
    line-height: 1.25;
}

.backgammon-off-rail {
    padding: 10px 4px;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.backgammon-rail-title {
    color: var(--primary-dark);
    font-size: 0.75rem;
}

.backgammon-off-pile {
    display: flex;
    width: 64px;
    min-height: 84px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
    color: var(--primary-dark);
    cursor: pointer;
}

.backgammon-off-pile-one {
    order: 2;
}

.backgammon-off-pile-two {
    order: 1;
}

.backgammon-off-rail.is-viewer-two .backgammon-off-pile-one {
    order: 1;
}

.backgammon-off-rail.is-viewer-two .backgammon-off-pile-two {
    order: 2;
}

.backgammon-off-pile.is-target {
    outline: 2px solid var(--accent);
}

.backgammon-off-pile b,
.backgammon-bar-pile b {
    font-size: 0.78rem;
}

.backgammon-off-checkers,
.backgammon-bar-checkers {
    display: flex;
    min-height: 26px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1px;
}

.backgammon-off-checkers.is-crowded .backgammon-pile-checker + .backgammon-pile-checker,
.backgammon-bar-checkers.is-crowded .backgammon-pile-checker + .backgammon-pile-checker {
    margin-top: -8px;
}

.backgammon-pile-checker {
    display: block;
    width: 22px;
    height: 13px;
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 50%;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.25);
}

.backgammon-pile-checker-one {
    border-color: #d0b39c;
    background:
        radial-gradient(circle at 30% 25%, #8e7464 0 8%, transparent 30%),
        linear-gradient(145deg, #4a3027, #18110e);
}

.backgammon-pile-checker-two {
    border-color: #bda98e;
    background:
        radial-gradient(circle at 30% 25%, #fffdf4 0 10%, transparent 33%),
        linear-gradient(145deg, #fff5dc, #d8b98a);
}

.backgammon-board {
    direction: ltr;
}

.backgammon-app .backgammon-board {
    display: block;
    position: relative;
    min-height: 310px;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    grid-template-columns: none;
    grid-template-rows: none;
}

.backgammon-points-grid {
    display: grid;
    width: 100%;
    height: 100%;
    grid-template-columns:
        repeat(6, minmax(0, 1fr))
        minmax(52px, 0.75fr)
        repeat(6, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(145px, 1fr));
    gap: 6px;
    direction: ltr;
}

.backgammon-points-grid .backgammon-point {
    min-height: 0;
}

.backgammon-points-grid .backgammon-point.is-top .backgammon-triangle {
    top: 0;
    bottom: auto;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    transform: none;
}

.backgammon-points-grid .backgammon-point.is-bottom .backgammon-triangle {
    top: auto;
    bottom: 0;
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
    transform: none;
}

.backgammon-points-grid .backgammon-point.is-top .backgammon-checkers {
    top: 9px;
    bottom: auto;
    flex-direction: column;
}

.backgammon-points-grid .backgammon-point.is-bottom .backgammon-checkers {
    top: auto;
    bottom: 9px;
    flex-direction: column-reverse;
}

.backgammon-points-grid .backgammon-point.is-crowded.is-top .backgammon-checker + .backgammon-checker {
    margin-top: -20px;
}

.backgammon-points-grid .backgammon-point.is-crowded.is-bottom .backgammon-checker + .backgammon-checker {
    margin-bottom: -20px;
}

.backgammon-points-grid .backgammon-point.is-crowded .backgammon-checker {
    height: 22px;
}

.backgammon-bar-zone {
    display: grid;
    position: absolute;
    z-index: 5;
    top: 14px;
    bottom: 14px;
    left: 50%;
    width: clamp(52px, 8%, 78px);
    grid-template-rows: repeat(2, minmax(0, 1fr));
    transform: translateX(-50%);
    pointer-events: none;
}

.backgammon-bar-zone::before {
    display: none;
}

.backgammon-bar-side {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.backgammon-bar-side-one {
    grid-row: 2;
}

.backgammon-bar-side-two {
    grid-row: 1;
}

.backgammon-bar-zone.is-viewer-two .backgammon-bar-side-one {
    grid-row: 1;
}

.backgammon-bar-zone.is-viewer-two .backgammon-bar-side-two {
    grid-row: 2;
}

.backgammon-bar-pile {
    display: flex;
    width: 100%;
    min-height: 80%;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 3px;
    padding: 4px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    cursor: pointer;
    pointer-events: auto;
}

.backgammon-bar-pile.is-selectable {
    outline: 2px solid #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.24);
}

.backgammon-bar-pile.is-selected {
    outline: 2px solid var(--success);
    box-shadow: 0 0 0 4px rgba(24, 121, 78, 0.24);
}

@media (max-width: 820px) {
    .backgammon-board-stage {
        grid-template-columns: 64px minmax(0, 1fr) 82px;
        gap: 9px;
    }
}

@media (max-width: 540px) {
    .backgammon-board-panel {
        overflow-x: auto;
    }

    .backgammon-board-stage {
        width: max-content;
        min-width: 480px;
        grid-template-columns: 54px 356px 68px;
        gap: 7px;
    }

    .backgammon-app .backgammon-board {
        min-height: 226px;
        padding: 8px;
    }

    .backgammon-points-grid {
        grid-template-columns:
            repeat(6, minmax(0, 1fr))
            minmax(38px, 0.75fr)
            repeat(6, minmax(0, 1fr));
        grid-template-rows: repeat(2, minmax(99px, 1fr));
        gap: 3px;
    }

    .backgammon-bar-zone {
        top: 8px;
        bottom: 8px;
        width: 42px;
    }

    .backgammon-points-grid .backgammon-point.is-top .backgammon-checkers {
        top: 5px;
    }

    .backgammon-points-grid .backgammon-point.is-bottom .backgammon-checkers {
        bottom: 5px;
    }

    .backgammon-off-pile {
        width: 58px;
        min-height: 72px;
    }

    .backgammon-pile-checker {
        width: 18px;
        height: 11px;
    }

    .backgammon-doubling-cube {
        width: 50px;
        min-height: 64px;
    }
}

.backgammon-board {
    position: relative;
    display: grid;
    gap: 10px;
    padding: 17px 14px;
    border: 7px solid #bd7b48;
    border-radius: 16px;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 20%, transparent 80%, rgba(0, 0, 0, 0.11)),
        #8d4d2e;
    box-shadow:
        inset 0 0 0 2px rgba(79, 34, 18, 0.28),
        0 16px 24px rgba(0, 0, 0, 0.15);
}

@media (max-width: 540px) {

    .backgammon-board {
        gap: 6px;
        padding: 10px 8px;
        border-width: 5px;
    }
}

.backgammon-app {
    position: relative;
    display: grid;
    gap: 18px;
}

.backgammon-topbar,
.backgammon-player,
.backgammon-board-panel,
.backgammon-controls {
    background: var(--surface);
}

.backgammon-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.backgammon-topbar h2,
.backgammon-controls h2,
.backgammon-board-heading h2 {
    margin: 10px 0 4px;
    color: var(--primary-dark);
}

.backgammon-topbar p,
.backgammon-board-heading p {
    margin: 0;
    color: var(--muted);
}

.backgammon-status-box {
    min-width: 180px;
    padding: 13px 16px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: var(--surface-soft);
    text-align: center;
}

.backgammon-status-box span,
.backgammon-status-box small {
    display: block;
    color: var(--muted);
    font-size: 0.78rem;
}

.backgammon-status-box strong {
    display: block;
    margin: 2px 0;
    color: var(--primary-dark);
}

.backgammon-players {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.backgammon-player {
    position: relative;
    padding: 18px 20px;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.backgammon-player.is-current-turn {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 139, 83, 0.15);
}

.backgammon-player.is-viewer .backgammon-player-heading strong::after {
    margin-right: 6px;
    color: var(--accent);
    content: "●";
    font-size: 0.62rem;
    vertical-align: middle;
}

.backgammon-player-heading {
    display: flex;
    align-items: center;
    gap: 10px;
}

.backgammon-player-heading strong {
    color: var(--primary-dark);
}

.backgammon-clock {
    margin: 5px 0 0;
    color: var(--primary-dark);
    direction: ltr;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: clamp(1.7rem, 4vw, 2.6rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    text-align: center;
}

.backgammon-clock.is-active {
    color: var(--success);
}

.backgammon-clock.is-danger {
    color: var(--danger);
}

.backgammon-clock-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 0.78rem;
}

.backgammon-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(235px, 280px);
    gap: 18px;
    align-items: start;
}

.backgammon-board-panel {
    min-width: 0;
}

.backgammon-board-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 16px;
}

.backgammon-dice {
    display: flex;
    min-height: 45px;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    direction: ltr;
}

.backgammon-dice-wrap {
    display: grid;
    justify-items: end;
    gap: 5px;
}

.backgammon-dice-label {
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 700;
}

.backgammon-dice.is-empty::after {
    color: var(--muted);
    content: "—";
}

.backgammon-die {
    display: grid;
    position: relative;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 2px solid var(--accent);
    border-radius: 10px;
    background: var(--surface-soft);
    color: var(--primary-dark);
    cursor: pointer;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    padding: 5px;
    transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.backgammon-die:hover:not(:disabled),
.backgammon-die.is-selected {
    transform: translateY(-3px);
    box-shadow: 0 0 0 3px rgba(199, 139, 69, 0.28);
}

.backgammon-die.is-selected {
    border-color: var(--success);
    background: var(--surface-soft);
    background: color-mix(in srgb, var(--success) 16%, var(--surface-soft));
}

.backgammon-die.is-unusable,
.backgammon-die:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.backgammon-die.is-rolling {
    animation: backgammon-die-roll 280ms ease-in-out;
}

.backgammon-die-pip {
    width: 7px;
    height: 7px;
    align-self: center;
    justify-self: center;
    border-radius: 50%;
    background: currentColor;
}

@keyframes backgammon-die-roll {
    0%,
    100% {
        transform: rotate(0) scale(1);
    }

    35% {
        transform: rotate(12deg) scale(1.12);
    }

    70% {
        transform: rotate(-12deg) scale(0.94);
    }
}

.backgammon-app .backgammon-board {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(145px, 1fr));
    gap: 6px;
    min-height: 310px;
    padding: 14px;
    border: 7px solid #bd7b48;
    border-radius: 18px;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 20%, transparent 80%, rgba(0, 0, 0, 0.11)),
        #8d4d2e;
    box-shadow:
        inset 0 0 0 2px rgba(79, 34, 18, 0.28),
        0 16px 24px rgba(0, 0, 0, 0.15);
}

.backgammon-point {
    position: relative;
    min-width: 0;
    min-height: 130px;
    overflow: hidden;
    padding: 0;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: #fff;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.backgammon-point:focus-visible {
    outline: 3px solid #fff;
    outline-offset: -3px;
}

.backgammon-point:nth-child(odd) .backgammon-triangle {
    background: #4e2419;
}

.backgammon-point:nth-child(even) .backgammon-triangle {
    background: #f2c38d;
}

.backgammon-triangle {
    position: absolute;
    top: 0;
    right: 8%;
    left: 8%;
    height: 93%;
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
    opacity: 0.96;
    transition: filter 160ms ease, transform 160ms ease;
}

.backgammon-point.is-bottom .backgammon-triangle {
    top: auto;
    bottom: 0;
    transform: rotate(180deg);
}

.backgammon-point.is-selectable .backgammon-triangle,
.backgammon-point.is-target .backgammon-triangle,
.backgammon-point.is-possible-target .backgammon-triangle {
    filter: brightness(1.22);
}

.backgammon-point.is-possible-target .backgammon-triangle {
    outline: 2px dashed rgba(59, 130, 246, 0.95);
    outline-offset: -3px;
}

.backgammon-point.is-hit-target .backgammon-triangle {
    filter: brightness(1.35) saturate(1.4);
    outline: 3px solid #ef7777;
    outline-offset: -3px;
}

.backgammon-room-shell .backgammon-point.is-selectable .backgammon-checker.is-movable-checker {
    border-color: #2563eb !important;
    outline: 3px solid #60a5fa;
    outline-offset: 1px;
    box-shadow:
        0 0 0 6px rgba(37, 99, 235, 0.55),
        0 5px 10px rgba(0, 0, 0, 0.32) !important;
}

.backgammon-point.is-selected .backgammon-checker {
    outline: 3px solid #ffffff;
    box-shadow:
        0 0 0 5px rgba(24, 121, 78, 0.72),
        0 4px 8px rgba(0, 0, 0, 0.28);
}

.backgammon-point.is-selected .backgammon-triangle {
    filter: brightness(1.45);
    outline: 2px solid #fff;
}

.backgammon-checkers {
    position: absolute;
    z-index: 2;
    top: 9px;
    right: 50%;
    display: flex;
    width: 100%;
    align-items: center;
    flex-direction: column;
    gap: 1px;
    transform: translateX(50%);
}

.backgammon-point.is-bottom .backgammon-checkers {
    top: auto;
    bottom: 9px;
    flex-direction: column-reverse;
}

.backgammon-checker {
    display: block;
    width: 27px;
    height: 27px;
    border: 2px solid rgba(255, 255, 255, 0.55);
    border-radius: 50%;
    background: #f6dfc0;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.24);
}

.backgammon-point.is-player-two .backgammon-checker {
    background: #fff5dc;
    border-color: #bda98e;
}
.backgammon-room-shell .backgammon-point.is-player-one .backgammon-checker,
.backgammon-room-shell .backgammon-point.is-player-one .backgammon-checker-one {
    border-color: #d0b39c;
    background:
        radial-gradient(circle at 30% 25%, #8e7464 0 8%, transparent 30%),
        linear-gradient(145deg, #4a3027, #18110e);
}

.backgammon-room-shell .backgammon-point.is-player-two .backgammon-checker,
.backgammon-room-shell .backgammon-point.is-player-two .backgammon-checker-two {
    border-color: #bda98e;
    background:
        radial-gradient(circle at 30% 25%, #fffdf4 0 10%, transparent 33%),
        linear-gradient(145deg, #fff5dc, #d8b98a);
}


.backgammon-side-info {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 14px;
}

.backgammon-side-pile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 0.82rem;
}

.backgammon-side-pile strong {
    color: var(--primary-dark);
}

.backgammon-side-pile span {
    min-width: 28px;
    padding: 4px 7px;
    border-radius: 8px;
    background: var(--surface);
    color: var(--primary-dark);
    text-align: center;
}

.backgammon-side-pile span.is-selectable,
.backgammon-side-pile span.is-target {
    outline: 2px solid var(--accent);
    cursor: pointer;
}

.backgammon-help {
    min-height: 28px;
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 0.88rem;
    text-align: center;
}

.backgammon-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 14px;
    margin-top: 9px;
    color: var(--muted);
    font-size: 0.74rem;
}

.backgammon-legend span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.backgammon-legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--muted);
}

.backgammon-legend-dot.is-source {
    background: #fff;
    box-shadow: 0 0 0 2px var(--accent);
}

.backgammon-legend-dot.is-target {
    background: var(--accent);
}

.backgammon-legend-dot.is-hit {
    background: #ef7777;
}

.backgammon-help.is-error,
.backgammon-topbar [data-bg-message].is-error {
    color: var(--danger);
}

.backgammon-controls {
    display: grid;
    gap: 10px;
}

.backgammon-controls h2 {
    margin: 0 0 2px;
}

.backgammon-result {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface-soft);
    color: var(--danger);
    font-weight: 700;
    text-align: center;
}

.backgammon-result.is-win {
    color: var(--success);
}

.backgammon-rules {
    margin-top: 8px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

.backgammon-rules strong {
    color: var(--primary-dark);
}

.backgammon-rules p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.78rem;
}

@media (max-width: 820px) {
    .backgammon-layout {
        grid-template-columns: 1fr;
    }

    .backgammon-controls {
        order: -1;
    }
}

@media (max-width: 540px) {

    .backgammon-topbar,
    .backgammon-board-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .backgammon-status-box {
        width: 100%;
    }

    .backgammon-players {
        gap: 10px;
    }

    .backgammon-player {
        padding: 13px;
    }

    .backgammon-clock {
        font-size: 1.5rem;
    }

    .backgammon-app .backgammon-board {
        grid-template-rows: repeat(2, minmax(103px, 1fr));
        gap: 3px;
        min-height: 220px;
        padding: 8px;
        border-width: 5px;
    }

    .backgammon-point {
        min-height: 95px;
    }

    .backgammon-checker {
        width: 20px;
        height: 20px;
    }

    .backgammon-checkers {
        top: 5px;
    }

    .backgammon-point.is-bottom .backgammon-checkers {
        bottom: 5px;
    }

    .backgammon-side-info {
        grid-template-columns: 1fr;
    }
}

.backgammon-layout > * {
    min-width: 0;
}

.backgammon-topbar,
.backgammon-board-heading {
    min-width: 0;
}
@media (max-width: 540px) {

    .backgammon-die {
        width: 36px;
        height: 36px;
        padding: 4px;
    }

    .backgammon-help {
        font-size: 0.8rem;
    }
}
.backgammon-board-stage {
    box-sizing: border-box;
    grid-template-columns: 58px minmax(0, 1fr) 70px;
    gap: 8px;
    padding: 8px;
    overflow: hidden;
    border: 6px solid #bd7b48;
    border-radius: 18px;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 20%, transparent 80%, rgba(0, 0, 0, 0.11)),
        #8d4d2e;
    box-shadow:
        inset 0 0 0 2px rgba(79, 34, 18, 0.28),
        0 16px 24px rgba(0, 0, 0, 0.15);
}

.backgammon-app .backgammon-board {
    display: block;
    position: relative;
    min-height: 350px;
    padding: 0;
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    grid-template-columns: none;
    grid-template-rows: none;
}

.backgammon-points-grid {
    grid-template-rows: repeat(2, minmax(170px, 1fr));
}

@media (max-width: 820px) {
    .backgammon-board-stage {
        grid-template-columns: 52px minmax(0, 1fr) 64px;
        gap: 6px;
    }

    .backgammon-doubling-cube {
        width: 50px;
    }

    .backgammon-off-pile {
        width: 54px;
    }
}

@media (max-width: 540px) {
    .backgammon-board-stage {
        width: max-content;
        min-width: 420px;
        grid-template-columns: 42px 312px 54px;
        gap: 4px;
        padding: 5px;
        border-width: 5px;
        border-radius: 14px;
    }

    .backgammon-app .backgammon-board {
        min-height: 240px;
        padding: 0;
    }

    .backgammon-points-grid {
        grid-template-rows: repeat(2, minmax(116px, 1fr));
    }

    .backgammon-doubling-cube {
        width: 42px;
        min-height: 56px;
    }

    .backgammon-off-pile {
        width: 48px;
        min-height: 68px;
    }

    .backgammon-opening-die {
        width: 28px;
        height: 28px;
        padding: 3px;
    }

    .backgammon-points-grid .backgammon-point.is-crowded.is-top .backgammon-checker + .backgammon-checker {
        margin-top: -15px;
    }

    .backgammon-points-grid .backgammon-point.is-crowded.is-bottom .backgammon-checker + .backgammon-checker {
        margin-bottom: -15px;
    }

    .backgammon-points-grid .backgammon-point.is-crowded .backgammon-checker {
        height: 17px;
    }
}
.backgammon-turn-progress {
    display: grid;
    gap: 7px;
    margin: -4px 0 16px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-soft);
}

.backgammon-turn-progress-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 0.78rem;
}

.backgammon-turn-progress-heading strong {
    color: var(--primary-dark);
}

.backgammon-turn-progress-track {
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: color-mix(in srgb, var(--line) 70%, transparent);
}

.backgammon-turn-progress-track > span {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #49a56d, #d2a444);
    box-shadow: 0 0 10px color-mix(in srgb, #49a56d 35%, transparent);
    transition: width 120ms linear, background 180ms ease, box-shadow 180ms ease;
}

.backgammon-turn-progress-track > span.is-bank {
    background: linear-gradient(90deg, #d47a42, #c64f4f);
    box-shadow: 0 0 10px color-mix(in srgb, #c64f4f 35%, transparent);
}

.backgammon-turn-progress.is-bank .backgammon-turn-progress-heading strong {
    color: var(--danger);
}

@media (max-width: 540px) {
    .backgammon-turn-progress {
        margin-bottom: 12px;
        padding: 9px 10px;
    }

    .backgammon-turn-progress-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
    }
}
.backgammon-layout {
    display: block;
}

.backgammon-board-panel,
.backgammon-controls {
    width: 100%;
}

.backgammon-controls {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    margin-top: 18px;
}

.backgammon-controls h2,
.backgammon-controls .backgammon-result {
    grid-column: 1 / -1;
}

.backgammon-controls .btn {
    width: 100%;
}

.backgammon-board-stage {
    width: 100%;
}

.backgammon-orientation-notice {
    display: none;
}

.backgammon-orientation-notice[hidden] {
    display: none !important;
}

.backgammon-app.is-mobile-portrait > .backgammon-orientation-notice {
    position: fixed;
    z-index: 10000;
    inset: 0;
    display: grid;
    place-items: center;
    padding:
        max(20px, env(safe-area-inset-top))
        max(20px, env(safe-area-inset-right))
        max(20px, env(safe-area-inset-bottom))
        max(20px, env(safe-area-inset-left));
    background: color-mix(in srgb, var(--bg) 94%, #1f1713 6%);
}

.backgammon-orientation-card {
    display: grid;
    width: min(92vw, 390px);
    gap: 10px;
    justify-items: center;
    padding: 24px 20px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow);
    color: var(--ink);
    text-align: center;
}

.backgammon-orientation-card strong {
    color: var(--primary-dark);
    font-size: 1.08rem;
}

.backgammon-orientation-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.backgammon-orientation-icon {
    display: grid;
    width: 64px;
    height: 64px;
    place-items: center;
    border: 2px solid var(--accent);
    border-radius: 18px;
    color: var(--accent);
    font-size: 2.2rem;
    line-height: 1;
    transform: rotate(-45deg);
}

@media (max-width: 640px) {
    .backgammon-controls {
        grid-template-columns: 1fr;
    }
}
.backgammon-room-body {
    min-width: 320px;
    min-height: 100vh;
    overflow-x: hidden;
}

.backgammon-room-shell {
    width: min(1480px, calc(100% - 24px));
    min-height: 100vh;
    margin: 0 auto;
    padding: 12px 0 24px;
}

.backgammon-room-nav {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 12px;
}

.backgammon-room-nav .btn {
    min-height: 38px;
}

.backgammon-room-shell .backgammon-app {
    display: block;
}

.backgammon-room-shell .backgammon-layout {
    display: block;
}

.backgammon-room-shell .backgammon-board-panel {
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.backgammon-game-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 14px;
    align-items: stretch;
    margin-bottom: 12px;
}

.backgammon-game-header > [data-bg-player="one"] {
    grid-column: 1;
}

.backgammon-game-header > [data-bg-dice] {
    grid-column: 2;
    align-self: center;
}

.backgammon-game-header > [data-bg-player="two"] {
    grid-column: 3;
}

.backgammon-game-header .backgammon-player {
    min-width: 0;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: var(--surface);
}

.backgammon-game-header .backgammon-player.is-current-turn {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 139, 83, 0.18);
}

.backgammon-game-header .backgammon-player-heading {
    min-width: 0;
    flex-wrap: nowrap;
    gap: 8px;
}

.backgammon-game-header .backgammon-player-heading strong {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.backgammon-player-avatar {
    width: 42px;
    height: 42px;
    border: 2px solid var(--line);
    font-size: 0.95rem;
    padding: 0;
    color: inherit;
    font-family: inherit;
    cursor: pointer;
}

.backgammon-player-avatar:disabled {
    cursor: default;
}

.backgammon-player-avatar:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.backgammon-player-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.backgammon-player-avatar.avatar-placeholder::before {
    content: none;
}

[data-bg-player-avatar-placeholder] {
    font-size: 1.25rem;
    font-weight: 900;
    line-height: 1;
    text-transform: uppercase;
}

.backgammon-player-color {
    width: 25px;
    min-width: 25px;
    height: 25px;
    padding: 0;
    border-radius: 50%;
}

.backgammon-player-color-checker {
    display: block;
    width: 17px;
    height: 17px;
    border: 1px solid rgba(75, 43, 31, 0.45);
    border-radius: 50%;
    background: #fff5dc;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.2);
}

.backgammon-player-color.is-black .backgammon-player-color-checker {
    border-color: #d0b39c;
    background: #2a211e;
}

.backgammon-game-header .backgammon-opening-die {
    width: 27px;
    height: 27px;
    padding: 3px;
}

.backgammon-game-header .backgammon-opening-die .backgammon-die-pip {
    width: 4px;
    height: 4px;
}

.backgammon-game-header .backgammon-clock {
    margin-top: 5px;
    font-size: clamp(1.35rem, 3vw, 2rem);
}

.backgammon-game-header .backgammon-clock-meta {
    justify-content: flex-start;
    margin-top: 1px;
}

.backgammon-game-header > .backgammon-dice {
    min-width: 86px;
    justify-content: center;
}

.backgammon-room-shell .backgammon-turn-progress {
    margin: 0 0 14px;
    padding: 0;
    border: 0;
    background: transparent;
}

.backgammon-room-shell .backgammon-turn-progress-track {
    height: 12px;
}

.backgammon-room-shell .backgammon-turn-progress-track > span {
    min-width: 0;
}

.backgammon-room-shell .backgammon-controls {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    align-items: center;
    margin-top: 14px;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.backgammon-room-shell .backgammon-controls .btn {
    width: 100%;
    min-height: 44px;
}

.backgammon-room-shell .backgammon-cube-actions {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.backgammon-room-shell .backgammon-cube-actions[hidden] {
    display: none !important;
}

.backgammon-room-shell .backgammon-result-modal {
    position: fixed;
    z-index: 10001;
    inset: 0;
    display: grid;
    place-items: center;
    padding:
        max(18px, env(safe-area-inset-top))
        max(18px, env(safe-area-inset-right))
        max(18px, env(safe-area-inset-bottom))
        max(18px, env(safe-area-inset-left));
    background: rgba(24, 17, 14, 0.62);
}

.backgammon-room-shell .backgammon-result-modal[hidden] {
    display: none !important;
}

@media (orientation: landscape) {
    .backgammon-app.is-mobile-portrait > .backgammon-orientation-notice {
        display: none !important;
    }
}

.backgammon-result-card {
    position: relative;
    width: min(92vw, 430px);
    padding: 34px 24px 28px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow);
    color: var(--primary-dark);
    font-size: 1.08rem;
    font-weight: 800;
    text-align: center;
}

.backgammon-result-score {
    display: block;
    margin-top: 12px;
    color: var(--muted);
    font-size: 1.22rem;
    font-weight: 900;
    letter-spacing: .02em;
}

.backgammon-result-card.is-win {
    color: var(--success);
}

.backgammon-result-modal.is-win .backgammon-result-card {
    color: var(--success);
}

.backgammon-result-modal.is-loss .backgammon-result-card {
    color: var(--danger);
}

.backgammon-result-close {
    position: absolute;
    top: 8px;
    inset-inline-end: 10px;
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 50%;
    background: var(--surface-soft);
    color: var(--muted);
    cursor: pointer;
    font-size: 1.35rem;
    line-height: 1;
}

@media (max-width: 640px) {
    .backgammon-room-shell {
        width: min(100% - 12px, 1480px);
        padding-top: 6px;
    }

    .backgammon-room-nav {
        margin-bottom: 6px;
    }

    .backgammon-game-header {
        gap: 6px;
    }

    .backgammon-game-header .backgammon-player {
        padding: 7px 8px;
    }

    .backgammon-player-avatar {
        width: 34px;
        height: 34px;
    }

    .backgammon-player-color {
        width: 22px;
        min-width: 22px;
        height: 22px;
    }

    .backgammon-player-color-checker {
        width: 14px;
        height: 14px;
    }

    .backgammon-game-header .backgammon-clock {
        font-size: 1.18rem;
    }

    .backgammon-game-header > .backgammon-dice {
        min-width: 70px;
    }

    .backgammon-room-shell .backgammon-controls {
        grid-template-columns: 1fr;
    }
}
.backgammon-game-header .backgammon-player {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    column-gap: 9px;
    row-gap: 0;
    align-items: center;
    padding: 7px 9px;
}

.backgammon-game-header .backgammon-player-heading {
    grid-row: 1 / span 2;
    align-self: center;
    min-width: 0;
    gap: 6px;
}

.backgammon-game-header > [data-bg-player="one"] .backgammon-player-heading {
    grid-column: 1;
}

.backgammon-game-header > [data-bg-player="one"] .backgammon-clock,
.backgammon-game-header > [data-bg-player="one"] .backgammon-clock-meta {
    grid-column: 2;
}

.backgammon-game-header > [data-bg-player="two"] .backgammon-player-heading {
    grid-column: 2;
}

.backgammon-game-header > [data-bg-player="two"] .backgammon-clock,
.backgammon-game-header > [data-bg-player="two"] .backgammon-clock-meta {
    grid-column: 1;
}

.backgammon-game-header .backgammon-clock {
    grid-row: 1;
    align-self: end;
    margin: 0;
    font-size: clamp(1.05rem, 2.2vw, 1.45rem);
    line-height: 1;
}

.backgammon-game-header .backgammon-clock-meta {
    grid-row: 2;
    align-self: start;
    justify-content: center;
    margin: 2px 0 0;
    font-size: 0.62rem;
    line-height: 1;
    white-space: nowrap;
}

.backgammon-game-header .backgammon-player-avatar {
    width: 34px;
    height: 34px;
}

.backgammon-game-header .backgammon-player-heading strong {
    font-size: 0.84rem;
}

.backgammon-game-header .backgammon-player-color {
    width: 21px;
    min-width: 21px;
    height: 21px;
}

.backgammon-game-header .backgammon-player-color-checker {
    width: 14px;
    height: 14px;
}

.backgammon-game-header .backgammon-opening-die {
    width: 23px;
    height: 23px;
    padding: 2px;
}

.backgammon-game-header .backgammon-opening-die .backgammon-die-pip {
    width: 3px;
    height: 3px;
}
@media (min-width: 821px) {
    .backgammon-game-header {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        width: 100%;
        direction: ltr;
    }

    .backgammon-game-header > [data-bg-player="one"] {
        grid-column: 2;
    }

    .backgammon-game-header > [data-bg-player="two"] {
        grid-column: 1;
    }

    .backgammon-game-header > .backgammon-player.is-viewer {
        grid-column: 2;
    }

    .backgammon-game-header > .backgammon-player:not(.is-viewer) {
        grid-column: 1;
    }

    .backgammon-game-header > [data-bg-player="one"],
    .backgammon-game-header > [data-bg-player="two"] {
        grid-row: 1;
        width: 100%;
    }

    .backgammon-game-header .backgammon-player {
        grid-template-columns: minmax(0, 1fr) minmax(130px, 0.8fr) minmax(70px, 0.45fr);
        grid-template-rows: 1fr;
        min-height: 76px;
        align-items: center;
        column-gap: 12px;
        padding: 10px 14px;
        direction: rtl;
    }

    .backgammon-game-header .backgammon-player-heading,
    .backgammon-game-header > [data-bg-player="one"] .backgammon-player-heading,
    .backgammon-game-header > [data-bg-player="two"] .backgammon-player-heading {
        grid-column: 1;
        grid-row: 1;
        justify-content: flex-start;
    }

    .backgammon-game-header .backgammon-player-bank {
        display: grid;
        grid-column: 2;
        grid-row: 1;
        min-width: 0;
        justify-items: center;
        text-align: center;
    }

    .backgammon-game-header .backgammon-player-bank .backgammon-clock,
    .backgammon-game-header .backgammon-player-bank .backgammon-clock-meta {
        grid-column: 1;
    }

    .backgammon-game-header .backgammon-player-bank .backgammon-clock {
        grid-row: 1;
        margin: 0;
        font-size: clamp(1.25rem, 2vw, 1.8rem);
        text-align: center;
    }

    .backgammon-game-header .backgammon-player-bank .backgammon-clock-meta {
        grid-row: 2;
        justify-content: center;
        margin-top: 4px;
    }

    .backgammon-game-header .backgammon-player-score {
        display: grid;
        grid-column: 3;
        grid-row: 1;
        justify-self: start;
        min-width: 82px;
        justify-items: center;
        gap: 2px;
        padding-inline: 14px;
        border-inline-start: 1px solid var(--line);
        color: var(--muted);
        text-align: center;
    }

    .backgammon-game-header .backgammon-player-score span {
        font-size: 0.72rem;
        font-weight: 700;
    }

    .backgammon-game-header .backgammon-player-score strong {
        color: var(--primary-dark);
        font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
        font-size: 1.55rem;
        line-height: 1;
    }
}

@media (max-width: 820px) {
    .backgammon-game-header .backgammon-player-bank {
        display: contents;
    }

    .backgammon-game-header .backgammon-player-score {
        display: none;
    }
}
.backgammon-room-shell .backgammon-board-stage {
    min-height: 430px;
}

.backgammon-room-shell .backgammon-board {
    min-height: 414px;
}

.backgammon-room-shell .backgammon-points-grid {
    grid-template-rows: repeat(2, minmax(202px, 1fr));
}

@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-document,
    .backgammon-room-document body {
        height: 100%;
        overflow: hidden;
        overscroll-behavior: none;
    }

    .backgammon-room-body {
        min-width: 0;
        height: 100vh;
        height: 100dvh;
        min-height: 0;
        overflow: hidden;
    }

    .backgammon-room-shell {
        display: flex;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        min-height: 0;
        padding:
            max(4px, env(safe-area-inset-top))
            max(6px, env(safe-area-inset-right))
            max(4px, env(safe-area-inset-bottom))
            max(6px, env(safe-area-inset-left));
        overflow: hidden;
    }

    .backgammon-room-nav {
        flex: 0 0 auto;
        margin-bottom: 4px;
    }

    .backgammon-room-nav .btn {
        min-height: 30px;
        padding: 4px 9px;
        font-size: 0.72rem;
        line-height: 1.15;
    }

    .backgammon-room-shell .backgammon-app {
        display: flex;
        flex: 1 1 auto;
        flex-direction: column;
        height: auto;
        min-height: 0;
        overflow: hidden;
    }

    .backgammon-room-shell .backgammon-layout {
        display: flex;
        flex: 1 1 auto;
        flex-direction: column;
        gap: 4px;
        height: auto;
        min-height: 0;
        overflow: hidden;
    }

    .backgammon-room-shell .backgammon-board-panel {
        display: flex;
        flex: 1 1 auto;
        flex-direction: column;
        min-height: 0;
        overflow: hidden;
    }

    .backgammon-game-header {
        flex: 0 0 auto;
        gap: 4px;
        margin-bottom: 4px;
    }

    .backgammon-game-header .backgammon-player {
        column-gap: 5px;
        padding: 4px 6px;
        border-radius: 10px;
    }

    .backgammon-game-header .backgammon-player-heading {
        gap: 4px;
    }

    .backgammon-game-header .backgammon-player-avatar {
        width: 28px;
        height: 28px;
    }

    .backgammon-game-header .backgammon-player-heading strong {
        font-size: 0.72rem;
    }

    .backgammon-game-header .backgammon-player-color {
        width: 17px;
        min-width: 17px;
        height: 17px;
    }

    .backgammon-game-header .backgammon-player-color-checker {
        width: 11px;
        height: 11px;
    }

    .backgammon-game-header .backgammon-opening-die {
        width: 19px;
        height: 19px;
    }

    .backgammon-game-header .backgammon-clock {
        font-size: 0.96rem;
    }

    .backgammon-game-header .backgammon-clock-meta {
        margin-top: 1px;
        font-size: 0.54rem;
    }

    .backgammon-game-header > .backgammon-dice {
        min-width: 58px;
        gap: 3px;
    }

    .backgammon-game-header .backgammon-die {
        width: 27px;
        height: 27px;
        padding: 3px;
        border-radius: 6px;
    }

    .backgammon-game-header .backgammon-die-pip {
        width: 3px;
        height: 3px;
    }

    .backgammon-room-shell .backgammon-turn-progress {
        flex: 0 0 auto;
        margin: 0 0 4px;
    }

    .backgammon-room-shell .backgammon-turn-progress-track {
        height: 7px;
    }

    .backgammon-room-shell .backgammon-board-stage {
        display: grid;
        flex: 1 1 auto;
        width: 100%;
        min-width: 0;
        min-height: 0;
        height: auto;
        grid-template-columns: 42px minmax(0, 1fr) 54px;
        gap: 4px;
    }

    .backgammon-room-shell .backgammon-board {
        min-height: 0;
        height: 100%;
    }

    .backgammon-room-shell .backgammon-points-grid {
        grid-template-rows: repeat(2, minmax(0, 1fr));
    }

    .backgammon-room-shell .backgammon-controls {
        flex: 0 0 auto;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 6px;
        margin-top: 4px;
    }

    .backgammon-room-shell .backgammon-controls .btn {
        min-width: 0;
        min-height: 34px;
        padding: 5px 6px;
        font-size: 0.7rem;
        line-height: 1.1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

@media (max-width: 540px) and (orientation: portrait) {
    .backgammon-game-header {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: auto auto;
        gap: 3px;
    }

    .backgammon-game-header > [data-bg-player="one"] {
        grid-column: 1;
        grid-row: 1;
    }

    .backgammon-game-header > [data-bg-player="two"] {
        grid-column: 2;
        grid-row: 1;
    }

    .backgammon-game-header > [data-bg-dice] {
        grid-column: 1 / -1;
        grid-row: 2;
        min-height: 24px;
    }

    .backgammon-game-header .backgammon-player {
        column-gap: 3px;
        padding: 3px 4px;
        border-radius: 9px;
    }

    .backgammon-game-header .backgammon-player-heading {
        gap: 3px;
    }

    .backgammon-game-header .backgammon-player-avatar {
        width: 23px;
        height: 23px;
        border-width: 1px;
    }

    .backgammon-game-header .backgammon-player-heading strong {
        font-size: 0.64rem;
    }

    .backgammon-game-header .backgammon-player-color {
        width: 15px;
        min-width: 15px;
        height: 15px;
    }

    .backgammon-game-header .backgammon-player-color-checker {
        width: 9px;
        height: 9px;
    }

    .backgammon-game-header .backgammon-opening-die {
        width: 17px;
        height: 17px;
        padding: 1px;
    }

    .backgammon-game-header .backgammon-opening-die .backgammon-die-pip {
        width: 2px;
        height: 2px;
    }

    .backgammon-game-header .backgammon-clock {
        font-size: 0.78rem;
    }

    .backgammon-game-header .backgammon-clock-meta {
        font-size: 0.48rem;
    }

    .backgammon-room-shell .backgammon-board-stage {
        grid-template-columns: 32px minmax(0, 1fr) 40px;
        gap: 3px;
        padding: 4px;
        border-width: 4px;
        border-radius: 12px;
    }

    .backgammon-room-shell .backgammon-doubling-cube {
        width: 34px;
        min-height: 48px;
    }

    .backgammon-room-shell .backgammon-off-pile {
        width: 38px;
        min-height: 54px;
        padding: 3px;
    }

    .backgammon-room-shell .backgammon-pile-checker {
        width: 14px;
        height: 9px;
    }

    .backgammon-room-shell .backgammon-checker {
        width: 16px;
        height: 16px;
    }

    .backgammon-room-shell .backgammon-points-grid .backgammon-point.is-crowded .backgammon-checker {
        height: 13px;
    }

    .backgammon-room-shell .backgammon-controls .btn {
        min-width: 0;
        min-height: 31px;
        padding: 4px 3px;
        font-size: 0.62rem;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/*
 * Games catalogue
 *
 * The games page starts with a small visual catalogue. Backgammon expands
 * into point-level cards, while games that are not released yet stay visible
 * as disabled tiles.
 */

.backgammon-variants {
    display: grid;
    gap: 8px;
    scroll-margin-top: 16px;
    padding: clamp(16px, 3vw, 24px);
    border: 1px solid color-mix(in srgb, var(--primary) 24%, var(--line));
    border-radius: 22px;
    background:
        radial-gradient(
            circle at 100% 0,
            color-mix(in srgb, var(--primary) 10%, transparent),
            transparent 40%
        ),
        var(--surface);
}

.backgammon-variants[hidden] {
    display: none !important;
}

.backgammon-variants-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.backgammon-variants-heading h2 {
    margin: 9px 0 4px;
}

.backgammon-variants-heading p {
    margin: 0;
    color: var(--muted);
}

.backgammon-variant-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.backgammon-variant-card {
    display: grid;
    min-width: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 17px;
    background: var(--surface-soft);
    color: var(--text);
    font: inherit;
    text-align: start;
    cursor: pointer;
    transition:
        border-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease,
        opacity 160ms ease;
}

a.backgammon-variant-card {
    color: inherit;
    text-decoration: none;
}

.backgammon-app.is-bot-game .backgammon-player-bank,
.backgammon-app.is-bot-game .backgammon-turn-progress {
    display: none !important;
}

.backgammon-variant-card:hover:not(:disabled),
.backgammon-variant-card:focus-visible {
    border-color: color-mix(in srgb, var(--primary) 55%, var(--line));
    box-shadow: 0 12px 25px color-mix(in srgb, var(--primary) 13%, transparent);
    outline: none;
    transform: translateY(-2px);
}

.backgammon-variant-card.is-selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 16%, transparent);
}

.backgammon-variant-card:disabled {
    cursor: wait;
    opacity: 0.78;
}

.backgammon-variant-card > img {
    display: block;
    width: 100%;
    aspect-ratio: 1.55 / 1;
    object-fit: cover;
}

.backgammon-variant-card-body {
    display: grid;
    gap: 6px;
    padding: 12px 13px 14px;
}

.backgammon-variant-card-body strong {
    font-size: 0.94rem;
}

.backgammon-variant-card-body small {
    color: var(--muted);
    font-size: 0.76rem;
}

.backgammon-variant-card-body .game-variant-wins {
    color: var(--accent);
}

@media (max-width: 860px) {

    .backgammon-variant-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 540px) {

    .backgammon-variants {
        gap: 8px;
        padding: 14px;
        border-radius: 17px;
    }

    .backgammon-variants-heading {
        gap: 8px;
    }

    .backgammon-variants-heading h2 {
        font-size: 1.04rem;
    }

    .backgammon-variants-heading p {
        font-size: 0.78rem;
    }

    .backgammon-variant-grid {
        gap: 8px;
    }

    .backgammon-variant-card {
        border-radius: 13px;
    }

    .backgammon-variant-card-body {
        gap: 4px;
        padding: 9px 9px 10px;
    }

    .backgammon-variant-card-body strong {
        font-size: 0.76rem;
    }

    .backgammon-variant-card-body small {
        font-size: 0.64rem;
    }
}

.backgammon-variant-card .card-help-widget {
    top: 9px;
    left: 9px;
}

.backgammon-variant-card .card-help-trigger {
    width: 27px;
    height: 27px;
}

/* Compact game-level cards on phones. Keep the desktop catalogue unchanged,
 * while using the shorter horizontal treatment shown in the mobile reference.
 */
@media (max-width: 540px) {
    .games-page .backgammon-variant-grid {
        grid-template-columns: minmax(0, 1fr) !important;
        gap: 8px !important;
    }

    .games-page .backgammon-variant-card {
        grid-template-columns: 72px minmax(0, 1fr);
        align-items: center;
        min-height: 76px;
        border-radius: 14px;
    }

    .games-page .backgammon-variant-card.ui-card-custom > img {
        width: 72px;
        height: 72px;
        aspect-ratio: 1;
        object-fit: cover;
    }

    .games-page .backgammon-variant-card-body {
        min-width: 0;
        gap: 2px;
        padding-block: 8px;
        padding-inline: 10px 0;
        align-content: center;
    }

    .games-page .backgammon-variant-card-body strong {
        font-size: 0.86rem;
        line-height: 1.2;
    }

    .games-page .backgammon-variant-card-body small {
        overflow: hidden;
        font-size: 0.67rem;
        line-height: 1.3;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/*
 * Backgammon board contract
 *
 * The server stores point 1 at index 0 and point 24 at index 23. The
 * JavaScript renderer supplies the visual order for each player; these rules
 * only control the physical board, triangles and checker piles so a visual
 * rotation cannot alter the logical setup.
 */
.backgammon-room-shell .backgammon-board-stage {
    grid-template-columns:
        clamp(42px, 5vw, 66px)
        minmax(0, 1fr)
        clamp(54px, 6vw, 80px);
    min-height: clamp(430px, 58vh, 620px);
    align-items: stretch;
}

.backgammon-room-shell .backgammon-board {
    height: 100%;
    min-height: 0;
    padding: 12px;
    overflow: visible;
    border-width: 8px;
}

.backgammon-room-shell .backgammon-points-grid {
    height: 100%;
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 6px;
    direction: ltr !important;
}

.backgammon-room-shell .backgammon-point {
    overflow: visible;
    isolation: isolate;
}

.backgammon-room-shell .backgammon-point.is-visual-even .backgammon-triangle {
    background: #4e2419;
}

.backgammon-room-shell .backgammon-point.is-visual-odd .backgammon-triangle {
    background: #f2c38d;
}

.backgammon-room-shell .backgammon-triangle {
    z-index: 1;
}

.backgammon-room-shell .backgammon-checkers {
    z-index: 4;
    top: 8px;
    bottom: auto;
    height: calc(100% - 16px);
    justify-content: flex-start;
    gap: 0;
    pointer-events: none;
}

.backgammon-room-shell .backgammon-checker.is-movable-checker,
.backgammon-room-shell .backgammon-bar-checkers .backgammon-pile-checker.is-movable-checker {
    position: relative;
    z-index: 2;
    pointer-events: auto;
    cursor: pointer;
}

.backgammon-room-shell .backgammon-checker.is-arriving,
.backgammon-room-shell .backgammon-pile-checker.is-arriving,
.backgammon-room-shell .backgammon-off-slot.is-arriving {
    visibility: hidden;
}

.backgammon-room-shell .backgammon-point.is-bottom .backgammon-checkers {
    top: auto;
    bottom: 8px;
    /* column-reverse starts at the physical bottom of the point. */
    justify-content: flex-start;
    flex-direction: column-reverse;
}

.backgammon-room-shell .backgammon-checker {
    width: clamp(22px, 3vw, 34px);
    height: auto !important;
    aspect-ratio: 1;
    flex: 0 0 auto;
    border-width: 2px;
}

.backgammon-room-shell .backgammon-checker-one {
    border-color: #d0b39c;
    background:
        radial-gradient(circle at 30% 25%, #8e7464 0 8%, transparent 30%),
        linear-gradient(145deg, #4a3027, #18110e);
}

.backgammon-room-shell .backgammon-checker-two {
    border-color: #bda98e;
    background:
        radial-gradient(circle at 30% 25%, #fffdf4 0 10%, transparent 33%),
        linear-gradient(145deg, #fff5dc, #d8b98a);
}

.backgammon-room-shell .backgammon-bar-checkers .backgammon-pile-checker {
    width: clamp(22px, 3vw, 34px);
    height: auto;
    aspect-ratio: 1;
    border-width: 2px;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.24);
}

.backgammon-room-shell .backgammon-bar-checkers .backgammon-pile-checker.is-movable-checker {
    border-color: #2563eb !important;
    outline: 3px solid #60a5fa;
    outline-offset: 1px;
    box-shadow:
        0 0 0 6px rgba(37, 99, 235, 0.55),
        0 5px 10px rgba(0, 0, 0, 0.32) !important;
}

.backgammon-room-shell .backgammon-point.is-crowded.is-top .backgammon-checker + .backgammon-checker {
    margin-top: -14px;
}

.backgammon-room-shell .backgammon-point.is-crowded.is-bottom .backgammon-checker + .backgammon-checker {
    margin-bottom: -14px;
}


.backgammon-room-shell .backgammon-bar-zone {
    z-index: 8;
    top: 10px;
    bottom: 10px;
    width: clamp(42px, 7.5%, 70px);
    border-inline: 2px solid rgba(65, 27, 17, 0.28);
    border-radius: 10px;
    background:
        linear-gradient(90deg, rgba(48, 21, 13, 0.22), rgba(255, 226, 169, 0.14), rgba(48, 21, 13, 0.22));
    box-shadow:
        inset 0 0 10px rgba(40, 16, 8, 0.22),
        0 0 0 1px rgba(255, 239, 201, 0.12);
}

.backgammon-room-shell .backgammon-bar-zone::before {
    display: none !important;
}

.backgammon-room-shell .backgammon-bar-pile {
    min-height: 100%;
    padding: 4px 3px;
}
.backgammon-room-shell .backgammon-game-dice {
    display: flex;
    position: absolute;
    z-index: 20;
    top: 50%;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 0;
    transform: translateY(-50%);
    pointer-events: none;
}

.backgammon-room-shell .backgammon-game-dice-opponent {
    left: clamp(8px, 2.5%, 24px);
}

.backgammon-room-shell .backgammon-game-dice-self {
    right: clamp(8px, 2.5%, 24px);
}

.backgammon-room-shell .backgammon-game-dice.is-empty {
    display: none;
}

.backgammon-room-shell .backgammon-game-dice .backgammon-die {
    width: clamp(34px, 4.2vw, 48px);
    height: clamp(34px, 4.2vw, 48px);
    pointer-events: auto;
}

.backgammon-room-shell .backgammon-game-dice-opponent .backgammon-die {
    cursor: default;
    opacity: 0.88;
}

.backgammon-room-shell .backgammon-controls[data-bg-controls] {
    display: grid;
    position: absolute;
    z-index: 21;
    top: 50%;
    left: clamp(46px, 12%, 128px);
    width: min(240px, 38%);
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    margin: 0;
    padding: 6px;
    border: 1px solid rgba(255, 239, 201, 0.22);
    border-radius: 14px;
    background: rgba(43, 19, 12, 0.22);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.14);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transform: translateY(-50%);
    pointer-events: auto;
}

.backgammon-room-shell .backgammon-controls[data-bg-controls][hidden] {
    display: none !important;
}

.backgammon-room-shell .backgammon-controls[data-bg-controls] .btn[hidden] {
    display: none !important;
}

.backgammon-room-shell .backgammon-controls[data-bg-controls] .btn {
    width: 100%;
    min-width: 0;
    min-height: 38px;
    margin: 0;
    padding: 5px 6px;
    overflow: hidden;
    font-size: 0.72rem;
    line-height: 1.1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.backgammon-room-shell .backgammon-controls[data-bg-controls] .backgammon-cube-actions {
    grid-column: 1 / -1;
}

@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-board-stage {
        grid-template-columns:
            clamp(30px, 8vw, 42px)
            minmax(0, 1fr)
            clamp(38px, 10vw, 54px);
        min-height: 0;
    }

    .backgammon-room-shell .backgammon-board {
        min-height: 0;
        height: 100%;
        padding: 6px;
        border-width: 5px;
    }

    .backgammon-room-shell .backgammon-points-grid {
        gap: 3px;
    }

    .backgammon-room-shell .backgammon-checkers {
        top: 5px;
        height: calc(100% - 10px);
    }

    .backgammon-room-shell .backgammon-point.is-bottom .backgammon-checkers {
        top: auto;
        bottom: 5px;
    }

    .backgammon-room-shell .backgammon-checker {
        width: clamp(14px, 4.4vw, 25px);
    }

    .backgammon-room-shell .backgammon-point.is-crowded.is-top .backgammon-checker + .backgammon-checker {
        margin-top: -9px;
    }

    .backgammon-room-shell .backgammon-point.is-crowded.is-bottom .backgammon-checker + .backgammon-checker {
        margin-bottom: -9px;
    }

    .backgammon-room-shell .backgammon-bar-zone {
        top: 6px;
        bottom: 6px;
        width: clamp(28px, 8vw, 42px);
        border-width: 1px;
    }

    .backgammon-room-shell .backgammon-game-dice-opponent {
        left: 4px;
    }

    .backgammon-room-shell .backgammon-game-dice-self {
        right: 4px;
    }

    .backgammon-room-shell .backgammon-game-dice .backgammon-die {
        width: clamp(28px, 7vw, 38px);
        height: clamp(28px, 7vw, 38px);
        padding: 4px;
    }

    .backgammon-room-shell .backgammon-controls[data-bg-controls] {
        left: clamp(38px, 14%, 92px);
        width: min(204px, 48%);
        gap: 4px;
        padding: 4px;
        border-radius: 11px;
    }

    .backgammon-room-shell .backgammon-controls[data-bg-controls] .btn {
        min-height: 32px;
        padding: 4px 3px;
        font-size: 0.62rem;
    }
}
@media (max-width:820px), (max-width:1024px) and (pointer:coarse) {
    .backgammon-room-shell .backgammon-board-panel {
        overflow: hidden;
    }

    .backgammon-room-shell .backgammon-board-stage {
        width: 100%;
        min-width: 0;
    }
}
@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-board {
        --mobile-bar-width: clamp(30px, 8vw, 42px);
        padding-inline-end: 6px;
    }

    .backgammon-room-shell .backgammon-points-grid {
        width: 100%;
    }

    .backgammon-room-shell .backgammon-bar-zone {
        top: 6px;
        bottom: 6px;
        right: auto;
        left: 50%;
        width: var(--mobile-bar-width);
        transform: translateX(-50%);
        grid-template-rows:
            minmax(0, 1fr)
            auto
            minmax(0, 1fr);
        border-inline: 1px solid rgba(65, 27, 17, 0.34);
        border-radius: 8px;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-two {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-one {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-dice {
        grid-row: 2;
        align-self: center;
    }

    .backgammon-room-shell .backgammon-bar-pile {
        min-height: 100%;
        padding: 3px 2px;
    }

    .backgammon-room-shell .backgammon-bar-checkers {
        min-height: 22px;
    }

    .backgammon-room-shell .backgammon-pile-checker {
        width: clamp(16px, 4.4vw, 23px);
        height: clamp(9px, 2.8vw, 13px);
    }

    .backgammon-room-shell .backgammon-bar-checkers .backgammon-pile-checker {
        width: clamp(16px, 4.4vw, 23px);
        height: auto;
        aspect-ratio: 1;
    }
}

@media (max-width: 420px) {
    .backgammon-room-shell .backgammon-controls[data-bg-controls] {
        left: 34px;
        width: min(180px, 56%);
    }

    .backgammon-room-shell .backgammon-controls[data-bg-controls] .btn {
        min-height: 29px;
        padding-inline: 2px;
        font-size: 0.56rem;
    }
}
.backgammon-room-body {
    overflow: hidden;
}

.backgammon-room-shell {
    display: flex;
    width: 100%;
    height: 100dvh;
    min-height: 0;
    flex-direction: column;
    padding: 5px 5px 5px;
    overflow: hidden;
}

.backgammon-room-nav {
    top: 5px;
    inset-inline-end: 5px;
    margin: 0;
}

.backgammon-room-shell .backgammon-app {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    flex-direction: column;
    padding-top: 0;
    overflow: hidden;
}

.backgammon-room-shell .backgammon-layout {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    flex-direction: column;
    gap: 5px;
    overflow: hidden;
}

.backgammon-room-shell .backgammon-board-panel {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    flex-direction: column;
    overflow: hidden;
}

.backgammon-game-header {
    flex: 0 0 auto;
    grid-template-columns: minmax(0, 1fr) 5px minmax(0, 1fr);
    gap: 5px;
    margin: 0 42px 5px;
    padding: 0;
}

.backgammon-game-header .backgammon-player {
    min-height: 0;
    padding: 5px 7px;
    border-radius: 10px;
}

.backgammon-game-header .backgammon-player-heading {
    gap: 5px;
}

.backgammon-game-header .backgammon-player-heading strong {
    font-size: 0.78rem;
}

.backgammon-game-header .backgammon-player-avatar {
    width: 30px;
    height: 30px;
}

.backgammon-game-header .backgammon-player-color {
    width: 19px;
    min-width: 19px;
    height: 19px;
}

.backgammon-game-header .backgammon-player-color-checker {
    width: 12px;
    height: 12px;
}

.backgammon-game-header .backgammon-player-bank .backgammon-clock {
    font-size: 1.05rem;
}

.backgammon-game-header .backgammon-player-bank .backgammon-clock-meta {
    margin-top: 1px;
    font-size: 0.56rem;
}

.backgammon-room-shell .backgammon-turn-progress {
    flex: 0 0 auto;
    height: 5px;
    margin: 0 0 5px;
    padding: 0;
    border: 0;
    background: transparent;
}

.backgammon-room-shell .backgammon-turn-progress-track {
    height: 5px;
}

.backgammon-room-shell .backgammon-turn-progress-track > span {
    transition: width 100ms linear, background 180ms ease;
}

.backgammon-room-shell .backgammon-board-stage {
    display: grid;
    flex: 1 1 auto;
    width: 100%;
    min-height: 0;
    height: auto;
    gap: 5px;
}

.backgammon-room-shell .backgammon-board {
    height: 100%;
    min-height: 0;
}

.backgammon-room-shell .backgammon-controls[data-bg-controls] {
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell {
        padding-top: max(5px, env(safe-area-inset-top));
        padding-right: max(5px, env(safe-area-inset-right));
        padding-bottom: max(5px, env(safe-area-inset-bottom));
        padding-left: max(5px, env(safe-area-inset-left));
    }

    .backgammon-game-header {
        grid-template-columns: minmax(0, 1fr) 3px minmax(0, 1fr);
        gap: 3px;
        margin-inline: 34px;
        margin-bottom: 5px;
    }

    .backgammon-game-header .backgammon-player {
        padding: 4px 5px;
    }

    .backgammon-game-header .backgammon-player-heading strong {
        font-size: 0.68rem;
    }

    .backgammon-game-header .backgammon-player-avatar {
        width: 25px;
        height: 25px;
    }

    .backgammon-game-header .backgammon-player-bank .backgammon-clock {
        font-size: 0.86rem;
    }

    .backgammon-room-shell .backgammon-turn-progress {
        margin-bottom: 5px;
    }

    .backgammon-room-shell .backgammon-board-stage {
        gap: 5px;
    }
}

@media (max-width: 420px) {
    .backgammon-game-header {
        margin-inline: 30px;
    }

    .backgammon-game-header .backgammon-player-heading strong {
        font-size: 0.62rem;
    }

    .backgammon-game-header .backgammon-player-bank .backgammon-clock {
        font-size: 0.78rem;
    }
}

.backgammon-variant-card.ui-card-custom {
    background-color: var(--ui-card-bg, var(--surface));
    color: var(--ui-card-text, inherit);
}

.backgammon-variant-card.ui-card-custom {
    border-color: var(--ui-card-border, var(--line));
    background-color: var(--ui-card-bg, var(--surface));
}

.backgammon-variant-card.ui-card-custom > img {
    object-fit: var(--ui-card-image-fit, contain);
}

.backgammon-variant-card.ui-card-custom strong {
    color: var(--ui-card-text, var(--primary-dark));
}

.backgammon-variant-card.ui-card-custom small {
    color: var(--ui-card-text, var(--muted));
}

.backgammon-variant-card.ui-card-custom > img {
    display: block;
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: var(--ui-card-image-ratio, 3 / 2);
    object-fit: var(--ui-card-image-fit, cover);
    object-position: center;
}

@media (max-width: 520px) {
    .backgammon-variant-card.ui-card-custom > img {
        aspect-ratio: var(--ui-card-image-ratio, 3 / 2);
    }
}

.games-page .backgammon-variants {
    width: 100%;
    min-width: 0;
    margin: 0;
}
.backgammon-variant-card,
.backgammon-pdf-card,
.backgammon-turn-card,
.backgammon-advanced-card,
.backgammon-checklist-card,
.backgammon-glossary-card,
.backgammon-rules-board-card,
.backgammon-rules-quick-card,
.backgammon-entry-card,
.backgammon-rule-card,
.backgammon-orientation-card,
.backgammon-result-card {
    border: 1px solid var(--ui-card-border, var(--line));
    border-radius: var(--ui-card-radius, var(--game-card-radius));
    background: var(--ui-card-bg, var(--surface));
    box-shadow: var(--game-card-shadow);
    color: var(--ui-card-text, var(--ink));
}
.backgammon-variant-card {
    transition:
        border-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease,
        background-color 160ms ease;
}

.backgammon-variant-card:not(:disabled):hover {
    border-color: color-mix(in srgb, var(--ui-card-accent, var(--accent)) 58%, var(--line));
    box-shadow: var(--game-card-hover-shadow);
    transform: translateY(-2px);
}

.backgammon-variant-card:focus-visible {
    border-color: color-mix(in srgb, var(--ui-card-accent, var(--accent)) 68%, var(--line));
    outline: 3px solid color-mix(in srgb, var(--ui-card-accent, var(--accent)) 18%, transparent);
    outline-offset: 2px;
}
.backgammon-variant-card-body strong {
    color: var(--ui-card-text, var(--primary-dark));
}

.backgammon-variant-card-body small {
    color: var(--ui-card-text, var(--muted));
}

@media (max-width: 760px) {
    .backgammon-variant-card,
    .backgammon-pdf-card,
    .backgammon-turn-card,
    .backgammon-advanced-card,
    .backgammon-checklist-card,
    .backgammon-glossary-card,
    .backgammon-rules-board-card,
    .backgammon-rules-quick-card,
    .backgammon-entry-card,
    .backgammon-rule-card {
        border-radius: 18px;
    }

    .backgammon-variant-card:not(:disabled):hover {
        transform: translateY(-1px);
    }
}

:is(
    .game-card,
    .game-card-style,
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .content-page-picker-card,
    .backgammon-pdf-card,
    .backgammon-turn-card,
    .backgammon-advanced-card,
    .backgammon-checklist-card,
    .backgammon-glossary-card,
    .backgammon-rules-board-card,
    .backgammon-rules-quick-card,
    .backgammon-entry-card,
    .backgammon-rule-card,
    .matchmaking-card,
    .dashboard-card,
    .dashboard-overview-card,
    .dashboard-status-card,
    .dashboard-insight-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .admin-note-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .feedback-history-item,
    .feedback-admin-item,
    .gateway-admin-card,
    .maintenance-card,
    .role-list-item,
    .accounting-summary-card,
    .session-card,
    .ticket-list-item,
    .ticket-detail-card,
    .ticket-event-item,
    .ticket-rating-report-panel,
    .admin-user-rating-panel,
    .landing-proof-item,
    .landing-dynamic-intro,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .landing-mission-card,
    .admin-branding-card,
    .admin-selected-site-card,
    .daily-message-history-item,
    .admin-template-card,
    .admin-cloud-file-card,
    .daily-message-card,
    .admin-training-card,
    .admin-contact-card,
    .backgammon-orientation-card,
    .backgammon-result-card,
    .investigator-role-dialog-card,
    .subscription-current-card,
    .subscription-wallet-summary,
    .subscription-plan-card,
    .privacy-principle-card,
    .privacy-policy-card,
    .guide-step-card,
    .guide-feature-card,
    .guide-brand-card,
    .chess-player-card,
    .chess-result-card,
    .rules-principle-card,
    .rules-policy-card,
    .profile-medal-card,
    .bank-account-item,
    .content-editor-item,
    .auth-preview-card,
    .wallet-balance-card,
    .panel:not(.backgammon-board-panel):not(.chess-board-panel):not(.auth-card)
) {
    border: 1px solid var(--site-card-border) !important;
    border-radius: var(--site-card-radius) !important;
    background: var(--site-card-bg) !important;
    color: var(--site-card-text) !important;
    box-shadow: var(--site-card-shadow) !important;
}

:is(
    .game-card,
    .game-card-style,
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .content-page-picker-card,
    .backgammon-pdf-card,
    .backgammon-turn-card,
    .backgammon-advanced-card,
    .backgammon-checklist-card,
    .backgammon-glossary-card,
    .backgammon-rules-board-card,
    .backgammon-rules-quick-card,
    .backgammon-entry-card,
    .backgammon-rule-card,
    .matchmaking-card,
    .dashboard-card,
    .dashboard-overview-card,
    .dashboard-status-card,
    .dashboard-insight-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .admin-note-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .feedback-history-item,
    .feedback-admin-item,
    .gateway-admin-card,
    .maintenance-card,
    .role-list-item,
    .accounting-summary-card,
    .session-card,
    .ticket-list-item,
    .ticket-detail-card,
    .ticket-event-item,
    .ticket-rating-report-panel,
    .admin-user-rating-panel,
    .landing-proof-item,
    .landing-dynamic-intro,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .landing-mission-card,
    .admin-branding-card,
    .admin-selected-site-card,
    .daily-message-history-item,
    .admin-template-card,
    .admin-cloud-file-card,
    .daily-message-card,
    .admin-training-card,
    .admin-contact-card,
    .backgammon-orientation-card,
    .backgammon-result-card,
    .subscription-current-card,
    .subscription-wallet-summary,
    .subscription-plan-card,
    .privacy-principle-card,
    .privacy-policy-card,
    .guide-step-card,
    .guide-feature-card,
    .guide-brand-card,
    .chess-player-card,
    .chess-result-card,
    .rules-principle-card,
    .rules-policy-card,
    .profile-medal-card,
    .bank-account-item,
    .content-editor-item,
    .auth-preview-card,
    .wallet-balance-card
) {
    transition:
        border-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease,
        background-color 160ms ease;
}

:is(
    .ui-card-custom,
    .game-card,
    .game-card-style,
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .content-page-picker-card,
    .matchmaking-card,
    .dashboard-card,
    .dashboard-overview-card,
    .dashboard-status-card,
    .dashboard-insight-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .admin-note-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .feedback-history-item,
    .feedback-admin-item,
    .gateway-admin-card,
    .maintenance-card,
    .role-list-item,
    .accounting-summary-card,
    .session-card,
    .ticket-list-item,
    .ticket-detail-card,
    .landing-proof-item,
    .landing-dynamic-intro,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .landing-mission-card,
    .admin-branding-card,
    .admin-selected-site-card,
    .daily-message-history-item,
    .admin-template-card,
    .admin-cloud-file-card,
    .daily-message-card,
    .admin-training-card,
    .admin-contact-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item,
    .content-editor-item,
    .auth-preview-card,
    .wallet-balance-card
):is(:hover, :focus-within, :focus-visible) {
    border-color: color-mix(in srgb, var(--site-card-accent) 62%, var(--site-card-border)) !important;
    box-shadow: var(--site-card-hover-shadow) !important;
    transform: translateY(var(--site-card-hover-lift));
}

:is(
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item
) h1,
:is(
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item
) h2,
:is(
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item
) h3,
:is(
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item
) strong {
    color: var(--site-card-text) !important;
}

:is(
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item
) p,
:is(
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item
) small {
    color: color-mix(in srgb, var(--site-card-text) 68%, transparent) !important;
}

:is(
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item,
    .admin-tool-button
) :is(
    .card-icon,
    .dashboard-card-icon,
    .dashboard-card-badge,
    .dashboard-card-cta,
    .game-tile-wins,
    .game-variant-wins,
    .admin-tool-button-icon
) {
    color: var(--site-card-accent) !important;
}
:is(
    .content-page-picker-grid,
    .admin-branding-grid,
    .admin-monitoring-grid,
    .admin-stat-grid,
    .accounting-summary-grid,
    .games-catalog,
    .backgammon-variant-grid,
    .mafia-scenario-grid,
    .gateway-admin-grid,
    .guide-feature-grid,
    .guide-step-grid,
    .landing-brand-grid,
    .landing-casual-games-grid,
    .landing-faq-grid,
    .landing-feature-grid,
    .landing-process-grid,
    .privacy-policy-grid,
    .privacy-principles-grid,
    .profile-medals-grid,
    .rules-policy-grid,
    .rules-principles-grid,
    .subscription-plan-grid,
    .tournament-grid,
    .tournament-plan-grid,
    .ui-card-admin-grid,
    .dashboard-overview,
    .dashboard-insights-grid,
    .dashboard-status-strip,
    .dashboard-grid-modern,
    .dashboard-grid.admin-card-grid,
    .admin-card-grid
) {
    grid-template-columns: repeat(
        var(--site-card-columns, 3),
        minmax(0, 1fr)
    ) !important;
    gap: var(--site-card-gap, 18px) !important;
}

@media (max-width: 980px) {

    :is(
        .content-page-picker-grid,
        .admin-branding-grid,
        .admin-monitoring-grid,
        .admin-stat-grid,
        .accounting-summary-grid,
        .games-catalog,
        .backgammon-variant-grid,
        .mafia-scenario-grid,
        .gateway-admin-grid,
        .guide-feature-grid,
        .guide-step-grid,
        .landing-brand-grid,
        .landing-casual-games-grid,
        .landing-faq-grid,
        .landing-feature-grid,
        .landing-process-grid,
        .privacy-policy-grid,
        .privacy-principles-grid,
        .profile-medals-grid,
        .rules-policy-grid,
        .rules-principles-grid,
        .subscription-plan-grid,
        .tournament-grid,
        .tournament-plan-grid,
        .ui-card-admin-grid,
        .dashboard-overview,
        .dashboard-insights-grid,
        .dashboard-status-strip,
        .dashboard-grid-modern,
        .dashboard-grid.admin-card-grid,
        .admin-card-grid
    ) {
        grid-template-columns: repeat(
            var(--site-card-columns-tablet, 2),
            minmax(0, 1fr)
        ) !important;
    }
}

@media (max-width: 620px) {

    :is(
        .content-page-picker-grid,
        .admin-branding-grid,
        .admin-monitoring-grid,
        .admin-stat-grid,
        .accounting-summary-grid,
        .games-catalog,
        .backgammon-variant-grid,
        .mafia-scenario-grid,
        .gateway-admin-grid,
        .guide-feature-grid,
        .guide-step-grid,
        .landing-brand-grid,
        .landing-casual-games-grid,
        .landing-faq-grid,
        .landing-feature-grid,
        .landing-process-grid,
        .privacy-policy-grid,
        .privacy-principles-grid,
        .profile-medals-grid,
        .rules-policy-grid,
        .rules-principles-grid,
        .subscription-plan-grid,
        .tournament-grid,
        .tournament-plan-grid,
        .ui-card-admin-grid,
        .dashboard-overview,
        .dashboard-insights-grid,
        .dashboard-status-strip,
        .dashboard-grid-modern,
        .dashboard-grid.admin-card-grid,
        .admin-card-grid
    ) {
        grid-template-columns: repeat(
            var(--site-card-columns-mobile, 1),
            minmax(0, 1fr)
        ) !important;
    }
}

:is(
    .panel:not(.backgammon-board-panel):not(.chess-board-panel):not(.auth-card),
    .empty-state:not(.compact-empty),
    .game-card-style,
    .game-card,
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .content-page-picker-card,
    .backgammon-pdf-card,
    .backgammon-turn-card,
    .backgammon-advanced-card,
    .backgammon-checklist-card,
    .backgammon-glossary-card,
    .backgammon-rules-board-card,
    .backgammon-rules-quick-card,
    .backgammon-entry-card,
    .backgammon-rule-card,
    .matchmaking-card,
    .dashboard-card,
    .dashboard-overview-card,
    .dashboard-status-card,
    .dashboard-insight-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .admin-note-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .feedback-history-item,
    .feedback-admin-item,
    .gateway-admin-card,
    .maintenance-card,
    .role-list-item,
    .accounting-summary-card,
    .session-card,
    .session-limit-card,
    .session-settings-card,
    .ticket-list-item,
    .ticket-detail-card,
    .ticket-event-item,
    .ticket-rating-report-panel,
    .admin-user-rating-panel,
    .landing-proof-item,
    .landing-trust-item,
    .landing-dynamic-intro,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .landing-mission-card,
    .admin-branding-card,
    .admin-selected-site-card,
    .daily-message-history-item,
    .admin-template-card,
    .admin-cloud-file-card,
    .daily-message-card,
    .admin-training-card,
    .admin-contact-card,
    .backgammon-orientation-card,
    .backgammon-result-card,
    .investigator-role-dialog-card,
    .subscription-current-card,
    .subscription-wallet-summary,
    .subscription-plan-card,
    .privacy-hero-card,
    .privacy-principle-card,
    .privacy-policy-card,
    .guide-hero-card,
    .guide-hero-stat,
    .guide-step-card,
    .guide-feature-card,
    .guide-brand-card,
    .chess-player-card,
    .chess-result-card,
    .rules-hero-card,
    .rules-principle-card,
    .rules-policy-card,
    .profile-medal-card,
    .bank-account-item,
    .content-editor-item,
    .auth-preview-card,
    .wallet-balance-card
) {
    box-sizing: border-box;
    border: 1px solid var(--site-card-border) !important;
    border-radius: var(--site-card-radius) !important;
    background: var(--site-card-bg) !important;
    background-image: none !important;
    color: var(--site-card-text) !important;
    box-shadow: var(--site-card-shadow) !important;
}
:is(
    .game-card-style,
    .game-card,
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .content-page-picker-card,
    .backgammon-pdf-card,
    .backgammon-turn-card,
    .backgammon-advanced-card,
    .backgammon-checklist-card,
    .backgammon-glossary-card,
    .backgammon-rules-board-card,
    .backgammon-rules-quick-card,
    .backgammon-entry-card,
    .backgammon-rule-card,
    .matchmaking-card,
    .dashboard-card,
    .dashboard-overview-card,
    .dashboard-status-card,
    .dashboard-insight-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .admin-note-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .feedback-history-item,
    .feedback-admin-item,
    .gateway-admin-card,
    .maintenance-card,
    .role-list-item,
    .accounting-summary-card,
    .session-card,
    .session-limit-card,
    .session-settings-card,
    .ticket-list-item,
    .ticket-detail-card,
    .ticket-event-item,
    .landing-proof-item,
    .landing-trust-item,
    .landing-dynamic-intro,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .landing-mission-card,
    .admin-branding-card,
    .admin-selected-site-card,
    .daily-message-history-item,
    .admin-template-card,
    .admin-cloud-file-card,
    .daily-message-card,
    .admin-training-card,
    .admin-contact-card,
    .backgammon-orientation-card,
    .backgammon-result-card,
    .subscription-current-card,
    .subscription-wallet-summary,
    .subscription-plan-card,
    .privacy-hero-card,
    .privacy-principle-card,
    .privacy-policy-card,
    .guide-hero-card,
    .guide-hero-stat,
    .guide-step-card,
    .guide-feature-card,
    .guide-brand-card,
    .chess-player-card,
    .chess-result-card,
    .rules-hero-card,
    .rules-principle-card,
    .rules-policy-card,
    .profile-medal-card,
    .bank-account-item,
    .content-editor-item,
    .auth-preview-card,
    .wallet-balance-card
) :is(h1, h2, h3, h4, strong) {
    color: var(--site-card-text) !important;
}

:is(
    .game-card-style,
    .game-card,
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .content-page-picker-card,
    .backgammon-pdf-card,
    .backgammon-turn-card,
    .backgammon-advanced-card,
    .backgammon-checklist-card,
    .backgammon-glossary-card,
    .backgammon-rules-board-card,
    .backgammon-rules-quick-card,
    .backgammon-entry-card,
    .backgammon-rule-card,
    .matchmaking-card,
    .dashboard-card,
    .dashboard-overview-card,
    .dashboard-status-card,
    .dashboard-insight-card,
    .dashboard-card-modern,
    .tournament-card,
    .tournament-plan-card,
    .admin-note-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .admin-stat-card,
    .feedback-history-item,
    .feedback-admin-item,
    .gateway-admin-card,
    .maintenance-card,
    .role-list-item,
    .accounting-summary-card,
    .session-card,
    .session-limit-card,
    .session-settings-card,
    .ticket-list-item,
    .ticket-detail-card,
    .ticket-event-item,
    .landing-proof-item,
    .landing-trust-item,
    .landing-dynamic-intro,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .landing-mission-card,
    .admin-branding-card,
    .admin-selected-site-card,
    .daily-message-history-item,
    .admin-template-card,
    .admin-cloud-file-card,
    .daily-message-card,
    .admin-training-card,
    .admin-contact-card,
    .backgammon-orientation-card,
    .backgammon-result-card,
    .subscription-current-card,
    .subscription-wallet-summary,
    .subscription-plan-card,
    .privacy-hero-card,
    .privacy-principle-card,
    .privacy-policy-card,
    .guide-hero-card,
    .guide-hero-stat,
    .guide-step-card,
    .guide-feature-card,
    .guide-brand-card,
    .chess-player-card,
    .chess-result-card,
    .rules-hero-card,
    .rules-principle-card,
    .rules-policy-card,
    .profile-medal-card,
    .bank-account-item,
    .content-editor-item,
    .auth-preview-card,
    .wallet-balance-card
) :is(p, small, .field-hint, .muted-text) {
    color: var(--site-card-muted) !important;
}
:is(
    .landing-proof-grid,
    .guide-brand-strip-grid,
    .guide-hero-stats,
    .privacy-date-grid,
    .rules-meta-grid,
    .notification-preferences-grid,
    .profile-medals-grid,
    .backgammon-rules-quick-grid,
    .backgammon-turn-grid,
    .backgammon-advanced-grid,
    .backgammon-rule-grid,
    .tournament-summary-grid,
    .plan-prize-grid
) {
    gap: var(--site-card-gap, 18px) !important;
}
:is(
    .game-card-style,
    .game-card,
    .game-tile,
    .backgammon-variant-card,
    .mafia-scenario-card,
    .chess-room-entry-card,
    .content-page-picker-card,
    .matchmaking-card,
    .tournament-card,
    .tournament-plan-card,
    .friend-card,
    .user-result,
    .game-invite-item,
    .notification-page-item,
    .ticket-list-item,
    .feedback-history-item,
    .feedback-admin-item,
    .role-list-item,
    .landing-proof-item,
    .landing-trust-item,
    .landing-casual-game-card,
    .landing-brand-card,
    .landing-process-step,
    .landing-faq-item,
    .landing-feature-card,
    .landing-mission-card,
    .subscription-plan-card,
    .profile-medal-card,
    .bank-account-item,
    .content-editor-item,
    .auth-preview-card
):is(:hover, :focus-within, :focus-visible) {
    border-color: color-mix(in srgb, var(--site-card-accent) 62%, var(--site-card-border)) !important;
    box-shadow: var(--site-card-hover-shadow) !important;
    transform: translateY(var(--site-card-hover-lift));
}

@media (max-width: 760px) {
    :is(
        .panel:not(.backgammon-board-panel):not(.chess-board-panel):not(.auth-card),
        .empty-state:not(.compact-empty),
        .game-card-style,
        .game-card,
        .game-tile,
        .backgammon-variant-card,
        .mafia-scenario-card,
        .chess-room-entry-card,
        .content-page-picker-card,
        .backgammon-pdf-card,
        .backgammon-turn-card,
        .backgammon-advanced-card,
        .backgammon-checklist-card,
        .backgammon-glossary-card,
        .backgammon-rules-board-card,
        .backgammon-rules-quick-card,
        .backgammon-entry-card,
        .backgammon-rule-card,
        .matchmaking-card,
        .dashboard-card,
        .dashboard-overview-card,
        .dashboard-status-card,
        .dashboard-insight-card,
        .dashboard-card-modern,
        .tournament-card,
        .tournament-plan-card,
        .admin-note-card,
        .friend-card,
        .user-result,
        .game-invite-item,
        .notification-page-item,
        .admin-stat-card,
        .feedback-history-item,
        .feedback-admin-item,
        .gateway-admin-card,
        .maintenance-card,
        .role-list-item,
        .accounting-summary-card,
        .session-card,
        .session-limit-card,
        .session-settings-card,
        .ticket-list-item,
        .ticket-detail-card,
        .ticket-event-item,
        .landing-proof-item,
        .landing-trust-item,
        .landing-dynamic-intro,
        .landing-casual-game-card,
        .landing-brand-card,
        .landing-process-step,
        .landing-faq-item,
        .landing-feature-card,
        .landing-mission-card,
        .admin-branding-card,
        .admin-selected-site-card,
        .daily-message-history-item,
        .admin-template-card,
        .admin-cloud-file-card,
        .daily-message-card,
        .admin-training-card,
        .admin-contact-card,
        .backgammon-orientation-card,
        .backgammon-result-card,
        .subscription-current-card,
        .subscription-wallet-summary,
        .subscription-plan-card,
        .privacy-hero-card,
        .privacy-principle-card,
        .privacy-policy-card,
        .guide-hero-card,
        .guide-hero-stat,
        .guide-step-card,
        .guide-feature-card,
        .guide-brand-card,
        .chess-player-card,
        .chess-result-card,
        .rules-hero-card,
        .rules-principle-card,
        .rules-policy-card,
        .profile-medal-card,
        .bank-account-item,
        .content-editor-item,
        .auth-preview-card,
        .wallet-balance-card
    ) {
        border-radius: max(16px, calc(var(--site-card-radius) - 4px)) !important;
    }
}
.backgammon-waiting-overlay {
    position: absolute;
    inset: 0;
    z-index: 20;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: rgba(9, 12, 20, 0.62);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: inherit;
    pointer-events: none;
}

.backgammon-live-message {
    min-height: 1.4rem;
    margin-bottom: .75rem;
    color: var(--text-muted, #64748b);
    font-size: .9rem;
}

.backgammon-live-message.is-error {
    color: #dc2626;
}

.backgammon-waiting-card {
    display: grid;
    gap: .55rem;
    min-width: min(90vw, 360px);
    padding: 1.5rem 1.75rem;
    color: #f8fafc;
    text-align: center;
    background: rgba(20, 27, 42, .88);
    border: 1px solid rgba(148, 163, 184, .3);
    border-radius: 1.25rem;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, .35);
}

.backgammon-waiting-card strong {
    font-size: 1.1rem;
}

.backgammon-waiting-card span:not(.backgammon-waiting-spinner) {
    color: #cbd5e1;
    font-size: .9rem;
}

.backgammon-waiting-spinner {
    width: 2rem;
    height: 2rem;
    margin: 0 auto .25rem;
    border: 3px solid rgba(148, 163, 184, .3);
    border-top-color: #f59e0b;
    border-radius: 50%;
    animation: parokland-match-spin .8s linear infinite;
}
.backgammon-room-shell {
    position: relative;
    width: 100%;
    min-height: 100dvh;
    margin: 0;
    padding:
        max(8px, env(safe-area-inset-top))
        max(8px, env(safe-area-inset-right))
        max(8px, env(safe-area-inset-bottom))
        max(8px, env(safe-area-inset-left));
}

.backgammon-room-nav {
    position: absolute;
    z-index: 60;
    top: max(8px, env(safe-area-inset-top));
    inset-inline-end: max(8px, env(safe-area-inset-right));
    margin: 0;
}

.backgammon-close-button {
    display: inline-grid;
    width: 36px;
    height: 36px;
    place-items: center;
    color: var(--text, #f8fafc);
    text-decoration: none;
    font-size: 0;
    font-weight: 400;
    line-height: 1;
    background: rgba(15, 23, 42, .72);
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 999px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform .18s ease, background-color .18s ease;
}

.backgammon-close-button::before {
    content: "\00D7";
    font-size: 1.7rem;
    font-weight: 400;
    line-height: 1;
}

.backgammon-close-button:hover,
.backgammon-close-button:focus-visible {
    color: #fff;
    background: rgba(127, 29, 29, .88);
    outline: 2px solid rgba(251, 191, 36, .8);
    outline-offset: 2px;
}

.backgammon-close-button:active {
    transform: scale(.94);
}

.backgammon-close-button::after {
    content: none;
}

.backgammon-room-shell .backgammon-app {
    padding-top: 42px;
}

@media (min-width: 821px) {
    .backgammon-room-shell {
        width: min(1480px, calc(100% - 24px));
        margin: 0 auto;
        padding: 12px 0 24px;
    }

    .backgammon-room-nav {
        top: 18px;
        inset-inline-end: 18px;
    }

    .backgammon-close-button {
        width: 40px;
        height: 40px;
    }

    .backgammon-room-shell .backgammon-app {
        padding-top: 0;
    }

    .backgammon-close-button::before {
        font-size: 1.85rem;
    }
}
.backgammon-room-body {
    min-height: 100dvh;
    height: 100dvh;
    overflow: hidden;
}

.backgammon-room-shell {
    width: 100%;
    height: 100dvh;
    min-height: 0;
    padding: 5px;
    overflow: hidden;
}

.backgammon-room-shell .backgammon-app {
    height: 100%;
    min-height: 0;
    padding-top: 0;
}

.backgammon-room-shell .backgammon-live-message {
    min-height: 0;
    height: 0;
    margin: 0;
    overflow: hidden;
}

.backgammon-room-shell .backgammon-game-header {
    direction: ltr;
    grid-template-columns: minmax(0, 1fr) 46px minmax(0, 1fr);
    gap: 5px;
    margin-top: 0;
    margin-inline: 0;
    margin-bottom: 5px;
}

.backgammon-room-shell .backgammon-game-header .backgammon-room-nav {
    position: static;
    z-index: 1;
    display: grid;
    grid-column: 2;
    grid-row: 1;
    width: 46px;
    min-width: 0;
    height: 100%;
    place-items: center;
    margin: 0;
    transform: none;
}

.backgammon-room-shell .backgammon-game-header .backgammon-close-button {
    width: 34px;
    height: 34px;
}

.backgammon-room-shell .backgammon-game-header .backgammon-player {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    direction: rtl;
    overflow: hidden;
}

.backgammon-room-shell .backgammon-game-header > [data-bg-player="one"] {
    grid-column: 1;
    grid-row: 1;
}

.backgammon-room-shell .backgammon-game-header > [data-bg-player="two"] {
    grid-column: 3;
    grid-row: 1;
}

.backgammon-room-shell .backgammon-game-header .backgammon-player.is-viewer {
    grid-column: 3;
    grid-row: 1;
}

.backgammon-room-shell .backgammon-game-header .backgammon-player:not(.is-viewer) {
    grid-column: 1;
    grid-row: 1;
}

.backgammon-room-shell .backgammon-turn-progress {
    height: 5px;
    min-height: 5px;
    margin-top: 0;
    margin-bottom: 5px;
}

.backgammon-room-shell .backgammon-turn-progress-track {
    height: 5px;
}

.backgammon-room-shell .backgammon-board-stage {
    height: auto;
    min-height: 0;
    flex: 1 1 auto;
}

.backgammon-room-shell .backgammon-board {
    height: 100%;
    min-height: 0;
}

@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-game-header {
        grid-template-columns: minmax(0, 1fr) 38px minmax(0, 1fr);
        gap: 3px;
        margin-inline: 0;
    }

    .backgammon-room-shell .backgammon-game-header .backgammon-room-nav {
        width: 38px;
    }

    .backgammon-close-button {
        width: 34px;
        height: 34px;
    }

    .backgammon-room-shell .backgammon-game-dice-self {
        right: clamp(42px, 11vw, 62px);
    }

    .backgammon-room-shell .backgammon-game-dice-opponent {
        left: clamp(6px, 2vw, 14px);
    }
}
.backgammon-room-shell .backgammon-board-stage > .backgammon-game-dice,
.backgammon-room-shell .backgammon-board-stage > .backgammon-controls {
    display: none !important;
}

.backgammon-room-shell .backgammon-board > .backgammon-game-dice {
    position: absolute;
    z-index: 20;
    top: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    gap: 6px;
    transform: translateY(-50%);
    pointer-events: none;
}

.backgammon-room-shell .backgammon-board > .backgammon-game-dice-opponent {
    right: auto;
    left: calc(50% - clamp(42px, 7%, 72px));
    transform: translate(-100%, -50%);
}

.backgammon-room-shell .backgammon-board > .backgammon-game-dice-self {
    right: calc(50% - clamp(42px, 7%, 72px));
    left: auto;
    transform: translate(100%, -50%);
}

.backgammon-room-shell .backgammon-board > .backgammon-game-dice.is-empty {
    display: none;
}

.backgammon-room-shell .backgammon-board > .backgammon-controls[data-bg-controls] {
    position: absolute;
    z-index: 21;
    top: 50%;
    right: auto;
    left: calc(50% + clamp(42px, 7%, 72px));
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(250px, 42%);
    min-width: 0;
    margin: 0;
    transform: translate(-50%, -50%);
}

.backgammon-room-shell .backgammon-board > .backgammon-controls[data-bg-controls] .btn {
    min-height: 48px;
    padding: 8px 12px;
    overflow: visible;
    font-size: 0.84rem;
    line-height: 1.25;
    text-overflow: clip;
    white-space: normal;
    word-break: keep-all;
}

.backgammon-room-shell .backgammon-controls[data-bg-controls] .btn.is-disabled-until-complete:disabled {
    cursor: not-allowed;
    opacity: 0.42;
    filter: saturate(0.35);
}

@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-board > .backgammon-game-dice-opponent {
        left: calc(50% - clamp(22px, 8%, 36px));
    }

    .backgammon-room-shell .backgammon-board > .backgammon-game-dice-self {
        right: calc(50% - clamp(22px, 8%, 36px));
    }

    .backgammon-room-shell .backgammon-board > .backgammon-controls[data-bg-controls] {
        left: calc(50% + clamp(22px, 8%, 36px));
        width: min(240px, 52%);
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .backgammon-room-shell .backgammon-board > .backgammon-controls[data-bg-controls] .btn {
        min-height: 44px;
        padding: 7px 8px;
        font-size: 0.76rem;
    }
}

/* Room-specific mobile and interaction overrides. */
.backgammon-room-shell {
    position: relative;
    width: 100%;
    min-height: 100dvh;
    margin: 0;
    padding:
        max(8px, env(safe-area-inset-top))
        max(8px, env(safe-area-inset-right))
        max(8px, env(safe-area-inset-bottom))
        max(8px, env(safe-area-inset-left));
}

.backgammon-room-nav {
    position: absolute;
    z-index: 60;
    top: max(8px, env(safe-area-inset-top));
    inset-inline-end: max(8px, env(safe-area-inset-right));
    margin: 0;
}

.backgammon-close-button {
    display: inline-grid;
    width: 36px;
    height: 36px;
    place-items: center;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    color: var(--text, #f8fafc);
    text-decoration: none;
    font-family: inherit;
    font-size: 0;
    font-weight: 400;
    line-height: 1;
    background: rgba(15, 23, 42, .72);
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 999px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform .18s ease, background-color .18s ease;
}

.backgammon-close-button::before {
    content: "\00D7";
    font-size: 1.7rem;
    font-weight: 400;
    line-height: 1;
}

.backgammon-close-button:hover,
.backgammon-close-button:focus-visible {
    color: #fff;
    background: rgba(127, 29, 29, .88);
    outline: 2px solid rgba(251, 191, 36, .8);
    outline-offset: 2px;
}

.backgammon-close-button:active {
    transform: scale(.94);
}

.backgammon-room-shell .backgammon-app {
    padding-top: 42px;
}

.backgammon-waiting-overlay {
    position: absolute;
    inset: 0;
    z-index: 20;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: rgba(9, 12, 20, .62);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: inherit;
    pointer-events: none;
}

.backgammon-waiting-card {
    display: grid;
    gap: .55rem;
    min-width: min(90vw, 360px);
    padding: 1.5rem 1.75rem;
    color: #f8fafc;
    text-align: center;
    background: rgba(20, 27, 42, .88);
    border: 1px solid rgba(148, 163, 184, .3);
    border-radius: 1.25rem;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, .35);
}

.backgammon-waiting-card strong {
    font-size: 1.1rem;
}

.backgammon-waiting-card span:not(.backgammon-waiting-spinner) {
    color: #cbd5e1;
    font-size: .9rem;
}

.backgammon-waiting-spinner {
    width: 2rem;
    height: 2rem;
    margin: 0 auto .25rem;
    border: 3px solid rgba(148, 163, 184, .3);
    border-top-color: #f59e0b;
    border-radius: 50%;
    animation: parokland-match-spin .8s linear infinite;
}

.backgammon-live-message {
    min-height: 1.4rem;
    margin-bottom: .75rem;
    color: var(--text-muted, #64748b);
    font-size: .9rem;
}

.backgammon-live-message.is-error {
    color: #dc2626;
}

.backgammon-room-shell .backgammon-bar-zone {
    grid-template-rows: minmax(0, 1fr) auto minmax(0, 1fr);
}

.backgammon-room-shell .backgammon-bar-side-two {
    grid-row: 1;
}

.backgammon-room-shell .backgammon-bar-side-one {
    grid-row: 3;
}

.backgammon-room-shell .backgammon-bar-side {
    min-height: 0;
}

.backgammon-room-shell .backgammon-bar-pile {
    min-height: 0;
    height: 100%;
}

/*
 * Dice sit in the physical center of the bar. Keep them compact and stacked
 * so they remain visible on narrow mobile boards without covering checkers.
 */
.backgammon-room-shell .backgammon-bar-dice {
    z-index: 4;
    grid-row: 2;
    display: flex;
    min-height: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 3px;
    pointer-events: auto;
}

.backgammon-room-shell .backgammon-bar-dice .backgammon-die {
    width: clamp(24px, 4vw, 34px);
    height: clamp(24px, 4vw, 34px);
    padding: 3px;
    border-width: 1px;
    border-radius: 6px;
    transform-style: preserve-3d;
    will-change: transform;
}

.backgammon-room-shell .backgammon-bar-dice .backgammon-die.is-rolling {
    animation: backgammon-bar-die-roll .9s cubic-bezier(.2, .75, .25, 1)
        both;
}

.backgammon-room-shell .backgammon-bar-dice .backgammon-die-pip {
    width: clamp(3px, 0.8vw, 6px);
    height: clamp(3px, 0.8vw, 6px);
}

/*
 * Give the board a taller playing field so the upper and lower triangle tips
 * have visible breathing room around the central bar.
 */
.backgammon-room-shell .backgammon-board-stage {
    min-height: 573px;
}

.backgammon-room-shell .backgammon-board {
    min-height: 552px;
}

.backgammon-room-shell .backgammon-points-grid {
    grid-template-rows: repeat(2, minmax(0, 1fr));
    row-gap: clamp(16px, 2.4vw, 26px);
}

@keyframes backgammon-bar-die-roll {
    0% {
        opacity: .45;
        transform: perspective(240px) rotateX(0deg) rotateY(0deg)
            rotateZ(0deg) scale(.82);
    }

    25% {
        opacity: .8;
        transform: perspective(240px) rotateX(160deg) rotateY(110deg)
            rotateZ(25deg) scale(1.08);
    }

    55% {
        opacity: .95;
        transform: perspective(240px) rotateX(300deg) rotateY(220deg)
            rotateZ(-18deg) scale(.94);
    }

    82% {
        opacity: 1;
        transform: perspective(240px) rotateX(410deg) rotateY(320deg)
            rotateZ(8deg) scale(1.04);
    }

    100% {
        opacity: 1;
        transform: perspective(240px) rotateX(360deg) rotateY(360deg)
            rotateZ(0deg) scale(1);
    }
}

@keyframes parokland-match-spin {
    to { transform: rotate(360deg); }
}

@media (min-width: 821px) {
    .backgammon-room-shell {
        width: min(1480px, calc(100% - 24px));
        margin: 0 auto;
        padding: 12px 0 24px;
    }

    .backgammon-room-nav {
        top: 18px;
        inset-inline-end: 18px;
    }

    .backgammon-close-button {
        width: 40px;
        height: 40px;
    }

    .backgammon-close-button::before {
        font-size: 1.85rem;
    }

    .backgammon-room-shell .backgammon-app {
        padding-top: 0;
    }
}

@media (max-width: 820px) {
    .backgammon-room-document,
    .backgammon-room-document body {
        overscroll-behavior: none;
    }

    .backgammon-room-shell .backgammon-controls .btn {
        min-height: 42px;
        touch-action: manipulation;
    }

    .backgammon-room-shell .backgammon-point,
    .backgammon-room-shell .backgammon-bar-pile,
    .backgammon-room-shell .backgammon-off-pile {
        touch-action: manipulation;
    }

    /*
     * On touch devices the room may exceed the viewport by design; allow
     * vertical scrolling so the 1/3 taller board is not clipped.
     */
    .backgammon-room-body {
        overflow-y: auto;
    }

    .backgammon-room-shell {
        height: auto;
        min-height: 100dvh;
        overflow: visible;
    }

    .backgammon-room-shell .backgammon-app,
    .backgammon-room-shell .backgammon-layout,
    .backgammon-room-shell .backgammon-board-panel {
        overflow: visible;
    }

    .backgammon-room-shell .backgammon-board-stage {
        flex: 0 0 auto;
        height: clamp(420px, 106vw, 620px);
        min-height: 420px;
    }

    .backgammon-room-shell .backgammon-board {
        height: 100%;
        min-height: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .backgammon-waiting-spinner {
        animation: none;
    }

    .backgammon-close-button {
        transition: none;
    }
}

.backgammon-mobile-pip-counts {
    display: none;
}

.backgammon-pip-rail {
    display: none;
}

/*
 * On touch layouts the captured-checker bar belongs to the board's right edge.
 * Keep the opponent above the board centerline and the viewer below it from
 * either player's perspective.
 */
@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-board-stage {
        display: block;
        width: 100%;
        margin-inline: auto;
        min-height: 580px;
        height: clamp(580px, 145vw, 760px);
    }

    .backgammon-room-shell .backgammon-cube-rail {
        position: absolute;
        z-index: 30;
        top: 0;
        bottom: 0;
        left: 0;
        width: clamp(48px, 12vw, 64px);
        justify-content: center;
        pointer-events: none;
    }

    .backgammon-room-shell .backgammon-cube-rail .backgammon-doubling-cube {
        pointer-events: auto;
    }

    .backgammon-room-shell .backgammon-off-rail {
        display: none !important;
    }

    .backgammon-room-shell .backgammon-mobile-pip-counts {
        display: flex;
        position: absolute;
        z-index: 3;
        top: 5px;
        right: 0;
        bottom: 5px;
        left: 0;
        align-items: center;
        justify-content: space-between;
        flex-direction: column;
        pointer-events: none;
    }

    .backgammon-room-shell .backgammon-mobile-pip-count {
        display: grid;
        min-width: 42px;
        min-height: 26px;
        place-items: center;
        padding: 2px 5px;
        border: 1px solid rgba(255, 230, 190, 0.18);
        border-radius: 999px;
        background: #2b1810;
        box-shadow: 0 3px 8px rgba(0, 0, 0, 0.24);
        color: #fff2dc;
        font-size: 0.75rem;
        font-weight: 800;
        line-height: 1;
    }

    .backgammon-room-shell .backgammon-mobile-pip-counts.is-viewer-two
        .backgammon-mobile-pip-count-one {
        order: 1;
    }

    .backgammon-room-shell .backgammon-mobile-pip-counts.is-viewer-two
        .backgammon-mobile-pip-count-two {
        order: 2;
    }

    .backgammon-room-shell .backgammon-board {
        --mobile-bar-width: clamp(74px, 24vw, 116px);
        box-sizing: border-box;
        width: 100%;
        margin-inline: auto;
        padding-right: 12px;
    }

    .backgammon-room-shell .backgammon-points-grid {
        box-sizing: border-box;
    }

    .backgammon-room-shell .backgammon-bar-zone {
        top: 5px;
        right: 4px;
        bottom: 5px;
        left: auto;
        width: var(--mobile-bar-width);
        transform: none;
        grid-template-rows:
            clamp(42px, 11vw, 64px)
            minmax(0, 1fr)
            clamp(42px, 11vw, 64px);
        gap: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        pointer-events: none;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side {
        min-height: 0;
        overflow: hidden;
        border: 2px solid #080706;
        border-radius: 6px;
        background:
            linear-gradient(180deg, #26150f, #0d0a09 45%, #1b100c);
        box-shadow:
            inset 0 0 0 1px rgba(255, 216, 164, 0.1),
            0 4px 10px rgba(0, 0, 0, 0.35);
        pointer-events: auto;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-two {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-one {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two .backgammon-bar-side-one {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two .backgammon-bar-side-two {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-bar-pile {
        width: 100%;
        min-height: 0;
        height: 100%;
        padding: 5px 3px;
        border: 0;
        border-radius: 4px;
        background: transparent;
    }

    .backgammon-room-shell .backgammon-bar-checkers {
        width: 100%;
        min-height: 0;
        height: 100%;
        justify-content: flex-start;
        gap: 1px;
        overflow: hidden;
    }

    .backgammon-room-shell .backgammon-bar-checkers .backgammon-pile-checker {
        width: clamp(18px, 5vw, 27px);
        height: auto;
        aspect-ratio: 1;
        flex: 0 0 auto;
    }

    .backgammon-room-shell .backgammon-bar-checkers.is-crowded
        .backgammon-pile-checker + .backgammon-pile-checker {
        margin-top: calc(-1 * clamp(16px, 5vw, 25px));
    }

    .backgammon-room-shell .backgammon-game-dice-opponent {
        right: auto;
        left: calc(50% - 4px);
        transform: translate(-100%, -50%);
    }

    .backgammon-room-shell .backgammon-game-dice-self {
        right: auto;
        left: calc(50% + 4px);
        transform: translate(0, -50%);
    }

    .backgammon-room-shell .backgammon-game-dice .backgammon-die {
        width: clamp(30px, 9vw, 42px);
        height: clamp(30px, 9vw, 42px);
        padding: 4px;
        border-radius: 8px;
    }

    .backgammon-room-shell .backgammon-game-dice .backgammon-die-pip {
        width: clamp(4px, 1.5vw, 7px);
        height: clamp(4px, 1.5vw, 7px);
    }
}

/* Final mobile board geometry: side trays outside the playing field, with the
 * captured-checker bar kept in the physical centre of the board. */
@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-board-stage {
        display: grid;
        grid-template-columns:
            clamp(52px, 15vw, 86px)
            minmax(0, 1fr)
            clamp(52px, 15vw, 86px);
        gap: 4px;
        overflow: hidden;
    }

    .backgammon-room-shell .backgammon-pip-rail {
        display: flex;
        min-width: 0;
        padding: 0;
        align-items: stretch;
        justify-content: stretch;
    }

    .backgammon-room-shell .backgammon-pip-rail .backgammon-mobile-pip-counts {
        position: static;
        width: 100%;
        height: 100%;
        inset: auto;
        align-items: center;
        justify-content: space-between;
    }

    .backgammon-room-shell .backgammon-cube-rail {
        position: absolute;
        z-index: 30;
        top: 50%;
        right: auto;
        bottom: auto;
        left: 50%;
        width: 48px;
        height: 58px;
        transform: translate(-50%, -50%);
        pointer-events: none;
    }

    .backgammon-room-shell .backgammon-off-rail {
        display: grid !important;
        min-width: 0;
        padding: 0;
        grid-template-rows:
            clamp(42px, 11vw, 64px)
            minmax(0, 1fr)
            clamp(42px, 11vw, 64px);
        gap: 0;
        align-items: stretch;
        justify-items: stretch;
    }

    .backgammon-room-shell .backgammon-off-pile {
        width: 100%;
        min-width: 0;
        min-height: 0;
        height: 100%;
        padding: 3px;
        overflow: hidden;
        border: 2px solid #080706;
        border-radius: 6px;
        background:
            linear-gradient(180deg, #26150f, #0d0a09 45%, #1b100c);
        box-shadow:
            inset 0 0 0 1px rgba(255, 216, 164, 0.1),
            0 4px 10px rgba(0, 0, 0, 0.35);
    }

    .backgammon-room-shell .backgammon-off-pile-two {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-off-pile-one {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-off-rail.is-viewer-two .backgammon-off-pile-one {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-off-rail.is-viewer-two .backgammon-off-pile-two {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-off-checkers {
        width: 100%;
        min-height: 0;
        height: 100%;
        justify-content: flex-start;
        gap: 1px;
        overflow: hidden;
    }

    .backgammon-room-shell .backgammon-off-checkers .backgammon-pile-checker {
        width: clamp(18px, 5vw, 27px);
        height: auto;
        aspect-ratio: 1;
        flex: 0 0 auto;
    }

    .backgammon-room-shell .backgammon-off-checkers.is-crowded
        .backgammon-pile-checker + .backgammon-pile-checker {
        margin-top: calc(-1 * clamp(16px, 5vw, 25px));
    }

    .backgammon-room-shell .backgammon-off-pile b {
        display: none;
    }

    .backgammon-room-shell .backgammon-board {
        width: 100%;
        margin: 0;
        padding-right: 12px;
    }

    .backgammon-room-shell .backgammon-bar-zone {
        top: 6px;
        right: auto;
        bottom: 6px;
        left: 50%;
        width: clamp(28px, 8vw, 42px);
        transform: translateX(-50%);
        grid-template-rows: repeat(2, minmax(0, 1fr));
        gap: 0;
        border-inline: 1px solid rgba(65, 27, 17, 0.34);
        border-radius: 8px;
        background:
            linear-gradient(90deg, rgba(48, 21, 13, 0.22), rgba(255, 226, 169, 0.14), rgba(48, 21, 13, 0.22));
        box-shadow:
            inset 0 0 10px rgba(40, 16, 8, 0.22),
            0 0 0 1px rgba(255, 239, 201, 0.12);
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side {
        min-height: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-two {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-one {
        grid-row: 2;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two .backgammon-bar-side-one {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two .backgammon-bar-side-two {
        grid-row: 2;
    }
}

/* Final mobile board geometry: the board fills the viewport and auxiliary
 * elements stay anchored to it instead of forming extra grid columns. */
@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-board-stage {
        position: relative;
        display: block !important;
        box-sizing: border-box;
        width: 100vw !important;
        height: clamp(600px, 118vw, 760px) !important;
        min-height: 600px !important;
        margin-inline: calc(50% - 50vw) !important;
        padding: 0 !important;
        overflow: hidden;
        border-inline: 4px solid #bd7b48;
        border-block: 5px solid #bd7b48;
        border-radius: 0;
    }

    .backgammon-room-shell .backgammon-board {
        position: absolute !important;
        inset: clamp(54px, 11vw, 72px) 6px;
        box-sizing: border-box;
        width: auto !important;
        height: auto !important;
        min-height: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: visible;
    }

    .backgammon-room-shell .backgammon-points-grid {
        width: 100%;
        height: 100%;
        grid-template-columns:
            repeat(6, minmax(0, 1fr))
            minmax(clamp(34px, 9vw, 52px), .72fr)
            repeat(6, minmax(0, 1fr));
        grid-template-rows: repeat(2, minmax(0, 1fr));
        gap: clamp(3px, 1vw, 6px);
    }

    .backgammon-room-shell .backgammon-pip-rail {
        display: block !important;
        position: absolute;
        z-index: 26;
        inset: 0 auto 0 6px;
        width: clamp(56px, 15vw, 86px);
        padding: 0;
        pointer-events: none;
    }

    .backgammon-room-shell .backgammon-pip-rail .backgammon-mobile-pip-counts {
        position: absolute;
        inset: 8px 0;
        width: auto !important;
        height: auto !important;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-direction: column;
    }

    .backgammon-room-shell .backgammon-mobile-pip-count {
        min-width: 48px;
        min-height: 30px;
        padding: 3px 8px;
        border: 0;
        border-radius: 999px;
        background: #2b1810;
        color: #fff2dc;
        font-size: .82rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, .28);
    }

    .backgammon-room-shell .backgammon-off-rail {
        display: block !important;
        position: absolute;
        z-index: 25;
        inset: 0;
        width: auto;
        min-width: 0;
        padding: 0;
        pointer-events: none;
    }

    .backgammon-room-shell .backgammon-off-pile {
        position: absolute;
        right: 7px;
        width: clamp(150px, 32vw, 210px);
        height: clamp(40px, 9vw, 52px);
        min-width: 0;
        min-height: 0;
        padding: 2px 5px;
        border: 2px solid #080706;
        border-radius: 6px;
        background: linear-gradient(180deg, #26150f, #0d0a09 50%, #1b100c);
        box-shadow:
            inset 0 0 0 1px rgba(255, 216, 164, .1),
            0 4px 10px rgba(0, 0, 0, .35);
        pointer-events: auto;
    }

    .backgammon-room-shell .backgammon-off-pile-two {
        top: 7px;
        bottom: auto;
    }

    .backgammon-room-shell .backgammon-off-pile-one {
        top: auto;
        bottom: 7px;
    }

    .backgammon-room-shell .backgammon-off-rail.is-viewer-two .backgammon-off-pile-one {
        top: 7px;
        bottom: auto;
    }

    .backgammon-room-shell .backgammon-off-rail.is-viewer-two .backgammon-off-pile-two {
        top: auto;
        bottom: 7px;
    }

    .backgammon-room-shell .backgammon-off-checkers {
        display: flex;
        width: 100%;
        height: 100%;
        min-height: 0;
        align-items: center;
        justify-content: flex-start;
        flex-direction: row;
        direction: ltr;
        gap: 2px;
        overflow: hidden;
    }

    .backgammon-room-shell .backgammon-off-slot {
        display: block;
        width: calc((100% - 28px) / 15);
        min-width: 3px;
        height: 78%;
        flex: 0 0 auto;
        border: 1px solid rgba(255, 255, 255, .36);
        border-radius: 2px;
        background: rgba(0, 0, 0, .35);
        box-shadow: inset 0 1px 1px rgba(255, 255, 255, .08);
    }

    .backgammon-room-shell .backgammon-off-slot.is-filled {
        border-color: rgba(255, 255, 255, .8);
        box-shadow:
            inset 0 0 0 1px rgba(255, 255, 255, .24),
            0 0 4px rgba(255, 255, 255, .18);
    }

    .backgammon-room-shell .backgammon-off-slot-one.is-filled {
        background: linear-gradient(180deg, #665044, #201713);
    }

    .backgammon-room-shell .backgammon-off-slot-two.is-filled {
        background: linear-gradient(180deg, #fffaf0, #b99e7a);
    }

    .backgammon-room-shell .backgammon-off-checkers .backgammon-pile-checker {
        width: 22px;
        height: 22px;
        flex: 0 0 auto;
    }

    .backgammon-room-shell .backgammon-bar-zone {
        position: absolute;
        z-index: 12;
        inset: 0 auto 0 50%;
        width: clamp(38px, 8vw, 52px);
        height: auto;
        grid-template-rows: minmax(0, 1fr) 58px minmax(0, 1fr);
        gap: 0;
        transform: translateX(-50%);
        border-inline: 2px solid rgba(65, 27, 17, .32);
        border-radius: 8px;
        background: linear-gradient(
            90deg,
            rgba(48, 21, 13, .25),
            rgba(255, 226, 169, .16),
            rgba(48, 21, 13, .25)
        );
        box-shadow: inset 0 0 10px rgba(40, 16, 8, .22);
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side {
        min-height: 0;
        border: 0;
        background: transparent;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-two {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-one {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two
        .backgammon-bar-side-one {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two
        .backgammon-bar-side-two {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-two
        .backgammon-bar-checkers {
        flex-direction: column;
        justify-content: flex-start;
    }

    .backgammon-room-shell .backgammon-bar-zone .backgammon-bar-side-one
        .backgammon-bar-checkers {
        flex-direction: column-reverse;
        justify-content: flex-start;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two
        .backgammon-bar-side-one .backgammon-bar-checkers {
        flex-direction: column;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two
        .backgammon-bar-side-two .backgammon-bar-checkers {
        flex-direction: column-reverse;
    }

    .backgammon-room-shell .backgammon-bar-side-two
        .backgammon-bar-checkers.is-crowded
        .backgammon-pile-checker + .backgammon-pile-checker {
        margin-top: calc(-1 * clamp(16px, 5vw, 25px));
        margin-bottom: 0;
    }

    .backgammon-room-shell .backgammon-bar-side-one
        .backgammon-bar-checkers.is-crowded
        .backgammon-pile-checker + .backgammon-pile-checker {
        margin-top: 0;
        margin-bottom: calc(-1 * clamp(16px, 5vw, 25px));
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two
        .backgammon-bar-side-one .backgammon-bar-checkers.is-crowded
        .backgammon-pile-checker + .backgammon-pile-checker {
        margin-top: calc(-1 * clamp(16px, 5vw, 25px));
        margin-bottom: 0;
    }

    .backgammon-room-shell .backgammon-bar-zone.is-viewer-two
        .backgammon-bar-side-two .backgammon-bar-checkers.is-crowded
        .backgammon-pile-checker + .backgammon-pile-checker {
        margin-top: 0;
        margin-bottom: calc(-1 * clamp(16px, 5vw, 25px));
    }

    .backgammon-room-shell .backgammon-bar-pile {
        min-height: 100%;
        padding: 3px 2px;
    }

    .backgammon-room-shell .backgammon-bar-checkers .backgammon-pile-checker {
        width: clamp(22px, 5vw, 29px);
        height: clamp(22px, 5vw, 29px);
    }

    .backgammon-room-shell .backgammon-point .backgammon-checker {
        width: clamp(20px, 5.8vw, 30px);
    }

    .backgammon-room-shell .backgammon-bar-checkers .backgammon-pile-checker {
        width: clamp(25px, 6.5vw, 33px);
        height: auto;
    }

    .backgammon-room-shell .backgammon-board > .backgammon-game-dice-opponent,
    .backgammon-room-shell .backgammon-board > .backgammon-game-dice-self {
        top: 50%;
        right: auto !important;
        left: 25% !important;
        transform: translate(-50%, -50%);
    }

    .backgammon-room-shell .backgammon-game-dice .backgammon-die {
        width: clamp(36px, 9vw, 48px);
        height: clamp(36px, 9vw, 48px);
    }

    .backgammon-room-shell .backgammon-board > .backgammon-controls[data-bg-controls] {
        top: 50%;
        right: auto;
        left: 75%;
        width: min(170px, 29vw);
        min-width: 118px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
        padding: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        transform: translate(-50%, -50%);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .backgammon-room-shell .backgammon-board > .backgammon-controls[data-bg-controls] .btn {
        min-height: 48px;
        padding: 8px 10px;
        overflow: visible;
        font-size: .82rem;
        line-height: 1.15;
        white-space: normal;
        text-overflow: clip;
    }

    .backgammon-room-shell .backgammon-cube-rail {
        position: absolute;
        z-index: 40;
        inset: 50% auto auto 50%;
        display: flex;
        width: 50px;
        height: 58px;
        align-items: center;
        justify-content: center;
        transform: translate(-50%, -50%);
        pointer-events: none;
    }

    .backgammon-room-shell .backgammon-cube-rail .backgammon-doubling-cube {
        pointer-events: auto;
    }
}

/* Use the right rail for full-sized borne-off trays on desktop. */
@media (min-width: 1025px), (min-width: 821px) and (pointer: fine) {
    .backgammon-room-shell .backgammon-board-stage {
        grid-template-columns:
            clamp(42px, 5vw, 66px)
            minmax(0, 1fr)
            clamp(170px, 14vw, 230px);
    }

    .backgammon-room-shell .backgammon-off-rail {
        display: grid;
        min-height: 0;
        grid-template-rows: minmax(0, 1fr) 70px minmax(0, 1fr);
        gap: 0;
        padding: 0;
        align-items: stretch;
        justify-items: stretch;
    }

    .backgammon-room-shell .backgammon-off-pile {
        box-sizing: border-box;
        width: 100%;
        min-height: 0;
        height: 100%;
        padding: 7px 5px;
        overflow: hidden;
        border: 2px solid #080706;
        border-radius: 9px;
        background: linear-gradient(180deg, #26150f, #0d0a09 45%, #1b100c);
        box-shadow:
            inset 0 0 0 1px rgba(255, 216, 164, .1),
            0 4px 10px rgba(0, 0, 0, .35);
    }

    .backgammon-room-shell .backgammon-off-pile-two {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-off-pile-one {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-off-rail.is-viewer-two .backgammon-off-pile-one {
        grid-row: 1;
    }

    .backgammon-room-shell .backgammon-off-rail.is-viewer-two .backgammon-off-pile-two {
        grid-row: 3;
    }

    .backgammon-room-shell .backgammon-off-checkers {
        display: flex;
        width: 100%;
        height: 100%;
        min-height: 0;
        align-items: center;
        justify-content: flex-start;
        flex-direction: column;
        direction: ltr;
        gap: 1px;
        overflow: hidden;
    }

    .backgammon-room-shell .backgammon-off-pile b {
        display: none;
    }

    .backgammon-room-shell .backgammon-off-slot {
        display: block;
        width: 84%;
        min-width: 0;
        height: calc((100% - 14px) / 15);
        min-height: 0;
        flex: 0 0 auto;
        border: 1px solid rgba(255, 255, 255, .36);
        border-radius: 3px;
        background: rgba(0, 0, 0, .35);
        box-shadow: inset 0 1px 1px rgba(255, 255, 255, .08);
    }

    .backgammon-room-shell .backgammon-off-slot.is-filled {
        border-color: rgba(255, 255, 255, .8);
        box-shadow:
            inset 0 0 0 1px rgba(255, 255, 255, .24),
            0 0 4px rgba(255, 255, 255, .18);
    }

    .backgammon-room-shell .backgammon-off-slot-one.is-filled {
        background: linear-gradient(90deg, #665044, #201713);
    }

    .backgammon-room-shell .backgammon-off-slot-two.is-filled {
        background: linear-gradient(90deg, #fffaf0, #b99e7a);
    }
}

/* Keep the match score visible in the compact mobile player cards. The
 * desktop layout gives the score its own column, while mobile needs a small
 * third row so it remains readable without covering the username or timer. */
@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-game-header .backgammon-player {
        grid-template-rows: auto auto auto;
    }

    .backgammon-room-shell .backgammon-game-header .backgammon-player-score {
        display: flex !important;
        visibility: visible !important;
        grid-column: 1 / -1;
        grid-row: 3;
        min-width: 0;
        align-items: baseline;
        justify-content: center;
        gap: 3px;
        margin-top: 2px;
        padding: 0 4px;
        border-inline-start: 0;
        color: rgba(255, 255, 255, .78);
        line-height: 1;
        text-align: center;
    }

    .backgammon-room-shell .backgammon-game-header .backgammon-player-score span {
        font-size: .52rem;
        font-weight: 700;
        white-space: nowrap;
    }

    .backgammon-room-shell .backgammon-game-header .backgammon-player-score strong {
        color: var(--primary-dark);
        font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
        font-size: .9rem;
        line-height: 1;
    }
}

/* Match the two player cards to the two halves of the board. */
.backgammon-room-shell .backgammon-game-header {
    grid-template-columns: minmax(0, 1fr) 46px minmax(0, 1fr);
    gap: 5px;
    margin: 0 0 5px;
    padding: 0;
}

.backgammon-room-shell .backgammon-game-header .backgammon-room-nav {
    position: relative;
    z-index: 2;
    inset: auto;
    inset-inline-end: auto;
    width: 46px;
    height: 100%;
    grid-column: 2;
    grid-row: 1;
    transform: none;
}

@media (min-width: 821px) {
    .backgammon-room-shell .backgammon-app.is-bot-game .backgammon-game-header .backgammon-player {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .backgammon-room-shell .backgammon-app.is-bot-game .backgammon-game-header .backgammon-player-score {
        grid-column: 2;
        min-width: 82px;
    }
}

@media (max-width: 820px), (max-width: 1024px) and (pointer: coarse) {
    .backgammon-room-shell .backgammon-game-header {
        grid-template-columns: minmax(0, 1fr) 38px minmax(0, 1fr);
        gap: 3px;
    }

    .backgammon-room-shell .backgammon-game-header .backgammon-room-nav {
        width: 38px;
    }
}

/* Resignation confirmation remains in the game view on every screen. */
.backgammon-room-shell .backgammon-game-header {
    position: relative;
    z-index: 80;
}

.backgammon-room-shell .backgammon-resign-modal {
    position: fixed;
    z-index: 10002;
    inset: 0;
    display: grid;
    place-items: center;
    padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
        max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
    background: rgba(15, 23, 42, .6);
    backdrop-filter: blur(9px);
    -webkit-backdrop-filter: blur(9px);
}

.backgammon-room-shell .backgammon-resign-modal[hidden] {
    display: none !important;
}

.backgammon-resign-card {
    width: min(100%, 420px);
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface, #fff);
    color: var(--ink, #172033);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
    direction: rtl;
    text-align: right;
}

.backgammon-resign-card h2 {
    margin: 0 0 10px;
    font-size: 1.3rem;
}

.backgammon-resign-card p {
    margin: 0 0 20px;
    line-height: 1.8;
}

.backgammon-resign-card .backgammon-resign-feedback {
    margin-bottom: 12px;
    color: var(--danger, #b4232f);
}

.backgammon-resign-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.backgammon-resign-actions .btn {
    flex: 1 1 145px;
    min-height: 44px;
}

.backgammon-resign-card :focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

body.has-backgammon-resign-dialog {
    overflow: hidden;
}

@media (max-width: 540px) {
    .backgammon-resign-card { padding: 22px 18px; }
}

/* Shared compact card density on mobile. The platform uses the same card
 * language across games, tournaments, categories and dashboard lists; keep
 * those cards readable while removing the excess vertical whitespace. */
@media (max-width: 620px) {
    :is(
        .ui-card-custom,
        .content-page-picker-card,
        .dashboard-card,
        .dashboard-overview-card,
        .dashboard-status-card,
        .dashboard-insight-card,
        .dashboard-card-modern,
        .tournament-plan-card,
        .friend-card,
        .user-result,
        .game-invite-item,
        .notification-page-item,
        .admin-note-card,
        .feedback-history-item,
        .feedback-admin-item,
        .gateway-admin-card,
        .maintenance-card,
        .role-list-item,
        .accounting-summary-card,
        .session-card,
        .ticket-list-item,
        .ticket-detail-card,
        .ticket-event-item,
        .admin-stat-card,
        .daily-message-history-item,
        .admin-template-card,
        .admin-cloud-file-card,
        .daily-message-card,
        .admin-training-card,
        .admin-contact-card,
        .subscription-current-card,
        .subscription-wallet-summary,
        .subscription-plan-card,
        .profile-medal-card,
        .bank-account-item,
        .content-editor-item,
        .auth-preview-card,
        .wallet-balance-card,
        .guide-step-card,
        .guide-feature-card,
        .guide-brand-card,
        .chess-player-card,
        .chess-result-card,
        .rules-principle-card,
        .rules-policy-card,
        .privacy-principle-card,
        .privacy-policy-card,
        .landing-proof-item,
        .landing-dynamic-intro,
        .landing-casual-game-card,
        .landing-brand-card,
        .landing-process-step,
        .landing-faq-item,
        .landing-feature-card,
        .landing-mission-card
    ):not(.game-tile):not(.backgammon-variant-card):not(.mafia-scenario-card):not(.tournament-card) {
        min-height: 0 !important;
        gap: 10px !important;
        padding: 12px !important;
    }

    :is(
        .ui-card-custom,
        .content-page-picker-card,
        .dashboard-card,
        .dashboard-overview-card,
        .dashboard-status-card,
        .dashboard-insight-card,
        .dashboard-card-modern,
        .tournament-plan-card,
        .friend-card,
        .user-result,
        .game-invite-item,
        .notification-page-item,
        .admin-note-card,
        .feedback-history-item,
        .feedback-admin-item,
        .gateway-admin-card,
        .maintenance-card,
        .role-list-item,
        .accounting-summary-card,
        .session-card,
        .ticket-list-item,
        .ticket-detail-card,
        .ticket-event-item,
        .admin-stat-card,
        .daily-message-history-item,
        .admin-template-card,
        .admin-cloud-file-card,
        .daily-message-card,
        .admin-training-card,
        .admin-contact-card,
        .subscription-current-card,
        .subscription-wallet-summary,
        .subscription-plan-card,
        .profile-medal-card,
        .bank-account-item,
        .content-editor-item,
        .auth-preview-card,
        .wallet-balance-card,
        .guide-step-card,
        .guide-feature-card,
        .guide-brand-card,
        .chess-player-card,
        .chess-result-card,
        .rules-principle-card,
        .rules-policy-card,
        .privacy-principle-card,
        .privacy-policy-card,
        .landing-proof-item,
        .landing-dynamic-intro,
        .landing-casual-game-card,
        .landing-brand-card,
        .landing-process-step,
        .landing-faq-item,
        .landing-feature-card,
        .landing-mission-card
    ):not(.game-tile):not(.backgammon-variant-card):not(.mafia-scenario-card):not(.tournament-card) :is(h1, h2, h3, p) {
        margin-block: 0 4px;
    }

    /* Tournament cards contain several metadata cells, so compact the cells
     * as well as the outer card. */
    .tournaments-page .tournament-card {
        gap: 10px;
        padding: 12px !important;
    }

    .tournaments-page .tournament-card-media {
        height: 64px;
        aspect-ratio: 3 / 1;
    }

    .tournaments-page .tournament-card-header {
        gap: 8px;
    }

    .tournaments-page .tournament-card-header h2 {
        margin-block: 2px 3px;
        font-size: 1rem;
    }

    .tournaments-page .tournament-card-header p {
        font-size: 0.76rem;
    }

    .tournaments-page .tournament-meta-grid {
        gap: 6px;
    }

    .tournaments-page .tournament-meta-grid > div {
        padding: 8px;
        border-radius: 10px;
    }

    .tournaments-page .tournament-meta-grid span {
        margin-bottom: 2px;
        font-size: 0.68rem;
    }

    .tournaments-page .tournament-meta-grid strong {
        font-size: 0.78rem;
        line-height: 1.35;
    }

    .tournaments-page .tournament-progress {
        height: 6px;
    }

    /* Game catalogue cards use the same compact horizontal treatment as the
     * level cards, including the game-category and scenario cards. */
    .games-page .game-tile,
    .games-page .mafia-scenario-card {
        grid-template-columns: 64px minmax(0, 1fr);
        grid-template-rows: 1fr;
        align-items: center;
        min-height: 72px;
    }

    .games-page .game-tile > img,
    .games-page .mafia-scenario-card > img {
        width: 64px;
        height: 64px;
        aspect-ratio: 1;
        object-fit: var(--ui-card-image-fit, contain);
    }

    .games-page .game-tile-title,
    .games-page .mafia-scenario-card-body {
        min-width: 0;
        gap: 2px;
        padding: 8px 10px;
    }

    .games-page .game-tile-title > strong,
    .games-page .mafia-scenario-card-body strong {
        font-size: 0.86rem;
        line-height: 1.25;
    }

    .games-page .game-tile-title small,
    .games-page .mafia-scenario-card-body small {
        overflow: hidden;
        font-size: 0.67rem;
        line-height: 1.35;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .games-page .content-page-picker-card,
    .content-page-picker-card {
        min-height: 0;
        padding: 10px !important;
    }

    .content-page-picker-icon {
        flex-basis: 36px;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 1rem;
    }

    :is(
        .matchmaking-card,
        .backgammon-pdf-card,
        .backgammon-turn-card,
        .backgammon-advanced-card,
        .backgammon-checklist-card,
        .backgammon-glossary-card,
        .backgammon-rules-board-card,
        .backgammon-rules-quick-card,
        .backgammon-entry-card,
        .backgammon-rule-card,
        .backgammon-orientation-card,
        .backgammon-result-card,
        .admin-tool-button,
        .landing-visual-card,
        .privacy-hero-card,
        .rules-hero-card,
        .guide-hero-card,
        .guide-hero-stat
    ) {
        min-height: 0 !important;
        gap: 10px !important;
        padding: 12px !important;
    }

    .dashboard-card-link,
    .admin-card-grid .dashboard-card-link,
    .dashboard-card-modern .dashboard-card-link {
        min-height: 0 !important;
        padding: 12px !important;
    }

    .dashboard-card-tools {
        top: 8px;
        inset-inline-start: 10px;
    }

    .dashboard-card-image {
        height: 42px;
        margin-bottom: 6px;
    }

    .admin-stat-card-image {
        height: 30px;
        margin-bottom: 5px;
    }

    .tournament-plan-card h3 {
        margin-block: 8px 4px;
        font-size: 1.15rem;
    }

    .tournament-plan-card > p {
        min-height: 0;
        margin-bottom: 10px;
        line-height: 1.55;
    }

    .tournament-plan-card .plan-price {
        margin-bottom: 9px;
        padding-bottom: 9px;
    }

    .tournament-plan-card .plan-prize-grid {
        gap: 6px;
        margin-bottom: 10px;
    }

    .tournament-plan-card .plan-prize-grid > div {
        padding: 7px 8px;
    }
}

/* Friends page mobile density: keep identity, status and the primary action
 * on one scan line. Cards with multiple actions get one compact action row
 * instead of turning the entire card into a tall vertical stack. */
@media (max-width: 620px) {
    [data-chat-app] {
        gap: 10px;
    }

    [data-chat-app] > .panel,
    [data-chat-app] > .friends-layout > .panel {
        padding: 12px !important;
    }

    [data-chat-app] .friends-layout {
        gap: 10px;
        margin-bottom: 0;
    }

    [data-chat-app] .panel-heading {
        margin-bottom: 10px;
    }

    [data-chat-app] .panel-heading h2 {
        margin-block: 0 3px;
        font-size: 0.98rem;
        line-height: 1.35;
    }

    [data-chat-app] .panel-heading p {
        margin: 0;
        color: var(--muted);
        font-size: 0.7rem;
        line-height: 1.55;
    }

    [data-chat-app] :is(.friend-list, .friend-results, .game-invite-list) {
        gap: 6px;
    }

    /* Five compact search rows stay visible; the sixth result starts the
     * contained scroller instead of stretching the whole dashboard view. */
    [data-chat-app] .friend-results-scroll {
        max-block-size: 304px;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) {
        display: grid;
        grid-template-columns: 38px minmax(0, 1fr) auto;
        min-height: 56px;
        align-items: center;
        gap: 8px !important;
        padding: 8px 10px !important;
        border-radius: 13px !important;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item):not(:has(> .friend-avatar)) {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) > .friend-avatar {
        grid-column: 1;
        width: 38px;
        height: 38px;
        flex-basis: 38px;
        border-width: 1px;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) > :is(div, span):not(.friend-avatar):not(.friend-actions):not(.game-invite-actions):not(.status-pill) {
        min-width: 0;
        grid-column: 2;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item):not(:has(> .friend-avatar)) > :is(div, span):first-child {
        grid-column: 1;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) > div:not(.friend-actions):not(.game-invite-actions) {
        display: grid;
        gap: 1px;
    }

    /* Friend markup keeps the avatar and username inside one identity wrapper.
     * Preserve that wrapper as an RTL row instead of letting the generic card
     * grid stack its children on mobile. */
    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) > div.friend-identity:not(.friend-actions):not(.game-invite-actions) {
        display: flex;
        grid-column: 1;
        align-items: center;
        flex-direction: row;
        gap: 8px;
        direction: rtl;
        text-align: right;
    }

    [data-chat-app] .friend-identity > .friend-avatar {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
        border-width: 1px;
    }

    [data-chat-app] .friend-identity > .friend-identity-copy {
        flex: 1 1 auto;
        text-align: right;
    }

    [data-chat-app] .friend-identity > .friend-identity-copy > [dir="ltr"] {
        width: 100%;
        justify-self: stretch;
        text-align: right;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) :is(strong, span, small) {
        min-width: 0;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) > div:not(.friend-actions):not(.game-invite-actions) > :is(strong, span:not(.presence-status), small) {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) > div:not(.friend-actions):not(.game-invite-actions) > :is(strong, span:first-child) {
        color: var(--site-card-text, var(--primary-dark));
        font-size: 0.78rem;
        font-weight: 800;
        line-height: 1.35;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) > div:not(.friend-actions):not(.game-invite-actions) > small,
    [data-chat-app] .presence-status {
        font-size: 0.64rem;
        line-height: 1.35;
    }

    [data-chat-app] :is(.friend-actions, .game-invite-actions) {
        grid-column: 3;
        width: auto;
        min-width: 0;
        flex-wrap: nowrap;
        justify-content: flex-end;
        gap: 5px;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item):not(:has(> .friend-avatar)) > :is(.friend-actions, .game-invite-actions):not(:has(> :nth-child(2))) {
        grid-column: 2;
    }

    [data-chat-app] :is(.friend-actions, .game-invite-actions):has(> :nth-child(2)) {
        display: grid;
        grid-column: 1 / -1;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        padding-top: 6px;
        border-top: 1px solid color-mix(in srgb, var(--site-card-border, var(--line)) 72%, transparent);
    }

    [data-chat-app] :is(.friend-actions, .game-invite-actions) > :is(form, details),
    [data-chat-app] :is(.friend-actions, .game-invite-actions) > :is(form, details) > .btn {
        width: 100%;
        min-width: 0;
        margin: 0;
    }

    [data-chat-app] :is(
        .friend-actions .btn,
        .game-invite-actions .btn,
        .friend-card > .btn,
        .user-result > .btn
    ) {
        min-height: 38px;
        max-width: 100%;
        padding: 6px 9px;
        overflow: hidden;
        font-size: 0.68rem;
        line-height: 1.25;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    [data-chat-app] :is(.friend-card, .user-result) > :is(.btn, .status-pill),
    [data-chat-app] .game-invite-item > .status-pill {
        grid-column: 3;
        justify-self: end;
    }

    [data-chat-app] :is(.friend-card, .user-result):not(:has(> .friend-avatar)) > :is(.btn, .status-pill) {
        grid-column: 2;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) > .status-pill {
        max-width: 112px;
        padding: 5px 8px;
        overflow: hidden;
        font-size: 0.62rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    [data-chat-app] .friend-wallet-transfer {
        width: 100%;
    }

    [data-chat-app] .friend-wallet-transfer > summary {
        width: 100%;
        text-align: center;
    }

    [data-chat-app] .friend-wallet-transfer[open] {
        grid-column: 1 / -1;
    }

    [data-chat-app] .friend-wallet-transfer-form {
        position: static;
        width: 100%;
        margin-top: 6px;
        padding: 10px;
    }

    [data-chat-app] .friend-search-form {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: 7px;
    }

    [data-chat-app] .friend-search-form input,
    [data-chat-app] .friend-search-form .btn {
        width: auto;
        min-width: 0;
        min-height: 42px;
        margin: 0;
    }

    [data-chat-app] .friend-search-form input {
        padding: 8px 10px;
        /* iOS zooms the page when a focused form control renders below 16px. */
        font-size: 16px;
    }

    [data-chat-app] .friend-search-form .btn {
        padding-inline: 13px;
        font-size: 0.72rem;
    }

    [data-chat-app] .friend-search-control {
        width: 100%;
    }

    [data-chat-app] .referral-code-box {
        display: grid;
        gap: 7px;
        padding: 9px !important;
    }

    [data-chat-app] .referral-code-box > strong {
        font-size: 0.9rem;
        text-align: center;
    }

    [data-chat-app] .referral-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
        width: 100%;
    }

    [data-chat-app] .referral-actions .btn {
        min-height: 38px;
        padding: 6px 8px;
        font-size: 0.67rem;
    }

    [data-chat-app] > .friends-invite-panel {
        min-width: 0;
    }

    [data-chat-app] .friends-invite-panel .referral-code-box {
        grid-template-columns: minmax(0, 1fr);
        width: 100%;
        min-width: 0;
        box-sizing: border-box;
    }

    [data-chat-app] .friends-invite-panel .referral-code-box > strong {
        min-width: 0;
        overflow-wrap: anywhere;
    }

    [data-chat-app] .friends-invite-panel .referral-actions {
        grid-template-columns: minmax(0, 1fr);
        min-width: 0;
    }

    [data-chat-app] .friends-invite-panel .referral-actions .btn {
        width: 100%;
        min-width: 0;
        font-size: 0.8rem;
        text-align: center;
    }

    [data-chat-app] .compact-empty {
        min-height: 0;
        padding: 12px !important;
    }

    [data-chat-app] .compact-empty h2 {
        margin: 0;
        font-size: 0.84rem;
    }

    [data-chat-app] .compact-empty p {
        margin: 4px 0 0;
        font-size: 0.68rem;
        line-height: 1.55;
    }

    /* Friend/person cards render the avatar inside .friend-identity, not as a
     * direct grid child. Keep their mobile grid independent from :has() so
     * older Android WebViews do not retain an empty avatar column and push
     * the identity copy toward the left side of the card. */
    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) {
        grid-template-columns: minmax(0, 1fr) auto;
        width: 100%;
        min-width: 0;
    }

    html[dir="rtl"] [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) {
        direction: rtl;
        text-align: right;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) >
    :is(.friend-identity, .game-invite-copy) {
        grid-column: 1;
        grid-row: 1;
        width: 100%;
        min-width: 0;
        justify-self: stretch;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) >
    :first-child:not(.friend-avatar):not(.friend-actions):not(.game-invite-actions):not(.status-pill) {
        grid-column: 1;
        grid-row: 1;
        width: 100%;
        min-width: 0;
        justify-self: stretch;
    }

    html[dir="rtl"] [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) >
    :is(.friend-identity, .game-invite-copy) {
        direction: rtl;
        text-align: right;
    }

    [data-chat-app] :is(.friend-card, .user-result, .game-invite-item) >
    :is(.friend-actions, .game-invite-actions, .btn, .status-pill) {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
    }

    /* Multi-action card controls need their own row; making action groups
     * full width is also a safe fallback on engines without :has(). */
    [data-chat-app] :is(.friend-card, .game-invite-item) >
    :is(.friend-actions, .game-invite-actions) {
        display: grid;
        grid-column: 1 / -1;
        grid-row: auto;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        padding-top: 6px;
        border-top: 1px solid color-mix(in srgb, var(--site-card-border, var(--line)) 72%, transparent);
    }

    [data-chat-app] :is(.friend-card, .game-invite-item) >
    :is(.friend-actions, .game-invite-actions) > :only-child {
        grid-column: 1 / -1;
    }
}

/* Friend request inbox/outbox: three rows remain visible on desktop and any
 * additional requests scroll inside the panel instead of increasing its
 * height. The dedicated class keeps other friend lists unaffected. */
.friend-request-list {
    --friend-request-gap: 10px;
    --friend-request-row-height: 74px;
    max-block-size: 242px;
    padding-inline-end: 4px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--primary) 42%, transparent) transparent;
}

.friend-request-list > .friend-card {
    min-block-size: var(--friend-request-row-height);
}

.friend-request-list:focus-visible {
    border-radius: 12px;
    outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
    outline-offset: 3px;
}

.friend-request-list::-webkit-scrollbar {
    width: 7px;
}

.friend-request-list::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary) 42%, transparent);
}

.friend-request-list::-webkit-scrollbar-track {
    background: transparent;
}

@media (max-width: 620px) {
    [data-chat-app] .friend-results-scroll {
        max-block-size: min(304px, 46svh);
        padding-inline-end: 3px;
        scroll-snap-type: y proximity;
        -webkit-overflow-scrolling: touch;
    }

    [data-chat-app] .friend-results-scroll > .user-result {
        scroll-snap-align: start;
    }

    /* Stacked mobile panels get independent, viewport-aware limits. Request
     * cards use a second row for their actions.
     * The cap avoids trapping most of the screen
     * inside a nested scroller on short phones. */
    .friend-request-list {
        --friend-request-gap: 6px;
        padding-inline-end: 3px;
        scroll-snap-type: y proximity;
        -webkit-overflow-scrolling: touch;
    }

    .friend-request-list--incoming,
    .friend-request-list--outgoing {
        --friend-request-row-height: 107px;
        max-block-size: min(333px, 46svh);
    }

    .friend-request-list > .friend-card {
        scroll-snap-align: start;
    }
}

/* Mobile game catalogue follows the compact workspace/blog list pattern. */
@media (max-width: 620px) {
    .games-page .games-catalog {
        grid-template-columns: minmax(0, 1fr) !important;
        gap: 8px !important;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 17px;
        background: var(--surface);
    }

    .games-page .games-catalog .game-tile {
        grid-template-columns: 72px minmax(0, 1fr);
        grid-template-rows: 72px;
        align-items: center;
        width: 100%;
        height: auto;
        min-height: 0;
        margin: 0;
        padding: 12px 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        transform: none !important;
        text-align: start;
    }

    .games-page .games-catalog .game-tile + .game-tile {
        border-block-start: 1px solid var(--line) !important;
    }

    .games-page .games-catalog .game-tile > img {
        grid-column: 1;
        grid-row: 1;
        align-self: center;
        width: 72px;
        height: 72px;
        min-height: 0;
        aspect-ratio: 1;
        border-radius: 10px;
        object-fit: cover;
        object-position: center;
    }

    .games-page .games-catalog .game-tile-title {
        grid-column: 2;
        grid-row: 1;
        align-content: center;
        min-width: 0;
        gap: 4px;
        padding: 0;
        padding-inline-start: 10px;
    }

    .games-page .games-catalog .game-tile-title > strong {
        overflow: hidden;
        font-size: 0.86rem;
        line-height: 1.3;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .games-page .games-catalog .game-tile-title > small,
    .games-page .games-catalog .game-tile-wins {
        overflow: hidden;
        font-size: 0.67rem;
        line-height: 1.35;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .games-page .games-catalog .game-tile-status {
        display: none !important;
    }

    .games-page .games-catalog button.game-tile:disabled,
    .games-page .games-catalog .game-tile[aria-disabled] {
        opacity: 0.52;
        transform: none !important;
        box-shadow: none !important;
    }
}

/* Mobile game options are plain rows, with no surrounding or selected-card box. */
@media (max-width: 760px) {
    .games-page :is(.backgammon-variants, .mafia-scenarios, .chess-room-entry) {
        padding: 12px !important;
        gap: 8px;
        border: 1px solid var(--line) !important;
        border-radius: 17px !important;
        background: var(--surface) !important;
        box-shadow: none !important;
    }

    .games-page :is(.backgammon-variant-grid, .mafia-scenario-grid, .chess-room-entry-grid) {
        grid-template-columns: minmax(0, 1fr) !important;
        gap: 8px !important;
        min-width: 0;
    }

    /* The shared theme's :is(.panel:not(...)) has four-class specificity,
     * five on hover. Scope through the option panel to override both states. */
    .games-page :is(.backgammon-variants, .mafia-scenarios, .chess-room-entry) :is(.backgammon-variant-grid, .mafia-scenario-grid, .chess-room-entry-grid) > .ui-card-custom:is(.backgammon-variant-card, .mafia-scenario-card, .chess-room-entry-card) {
        margin: 0;
        padding: 12px 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        transform: none !important;
    }

    .games-page :is(.backgammon-variants, .mafia-scenarios, .chess-room-entry) :is(.backgammon-variant-grid, .mafia-scenario-grid, .chess-room-entry-grid) > .ui-card-custom:is(.backgammon-variant-card, .mafia-scenario-card, .chess-room-entry-card) ~ .ui-card-custom:is(.backgammon-variant-card, .mafia-scenario-card, .chess-room-entry-card) {
        border-block-start: 1px solid var(--line) !important;
    }

    .games-page :is(.backgammon-variant-card, .mafia-scenario-card) {
        grid-template-columns: 72px minmax(0, 1fr);
        align-items: center;
        gap: 0;
    }

    .games-page :is(.backgammon-variant-card, .mafia-scenario-card).ui-card-custom > img {
        width: 72px;
        height: 72px;
        aspect-ratio: 1;
        border-radius: 10px;
        object-fit: cover;
    }

    .games-page :is(.backgammon-variant-card-body, .mafia-scenario-card-body) {
        min-width: 0;
        padding: 4px 0;
        padding-inline-start: 10px;
        gap: 4px;
    }

    .games-page :is(.backgammon-variant-card-body, .mafia-scenario-card-body) small {
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .games-page .mafia-scenario-status {
        position: static;
        grid-column: 2;
        justify-self: start;
        margin-inline-start: 10px;
    }

    .games-page :is(.backgammon-variant-card, .mafia-scenario-card, .chess-room-entry-card).is-selected {
        outline: none !important;
    }

    .games-page :is(.backgammon-variant-card, .mafia-scenario-card, .chess-room-entry-card).is-selected strong {
        color: var(--primary) !important;
        text-decoration: underline;
        text-underline-offset: 4px;
    }

    .games-page :is(.backgammon-variant-card, .mafia-scenario-card, .chess-room-entry-card):focus-visible {
        outline: 2px solid var(--primary) !important;
        outline-offset: -2px;
    }
}

.notification-dropdown .notification-preview-item {
    border: 0 !important;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent) !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    transform: none !important;
}

.notification-dropdown .notification-preview-item:last-child {
    border-bottom: 0 !important;
}

.notification-dropdown .notification-preview-item:hover,
.notification-dropdown .notification-preview-item.is-unread {
    border: 0 !important;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent) !important;
    border-radius: 0 !important;
    background: color-mix(in srgb, var(--surface-soft) 72%, transparent) !important;
    box-shadow: none !important;
    transform: none !important;
}

.notification-dropdown .notification-preview-item:last-child:hover,
.notification-dropdown .notification-preview-item:last-child.is-unread {
    border-bottom: 0 !important;
}