:root {
    color-scheme: dark;
    --bg: #060b16;
    --surface: rgba(11, 20, 34, 0.84);
    --surface-2: rgba(16, 30, 49, 0.92);
    --surface-3: rgba(21, 44, 72, 0.96);
    --border: rgba(120, 214, 255, 0.14);
    --border-strong: rgba(133, 242, 255, 0.34);
    --text: #f3f8ff;
    --muted: #97add0;
    --accent: #7cf6ff;
    --accent-strong: #ffffff;
    --success: #73f0a6;
    --danger: #ff7d8f;
    --shadow: 0 30px 80px rgba(1, 6, 16, 0.52);
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.tetris-app {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: -0.01em;
}

body.tetris-app::selection {
    background: rgba(219, 228, 240, 0.22);
}

.site-header,
.hero-section,
footer {
    background: rgba(8, 10, 13, 0.92);
}

.py-lg-6 {
    padding-top: 5rem !important;
    padding-bottom: 5rem !important;
}

.navbar-brand,
.letter-spacing-1 {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.navbar-dark,
.navbar-dark .nav-link,
.footer-link {
    color: var(--text);
}

.nav-link,
.footer-link {
    text-decoration: none;
    opacity: 0.78;
}

.nav-link:hover,
.nav-link:focus,
.footer-link:hover,
.footer-link:focus,
.table-link:hover,
.table-link:focus {
    opacity: 1;
    color: var(--accent-strong);
}

.btn {
    border-radius: var(--radius-sm);
    padding: 0.7rem 1rem;
    font-weight: 600;
    box-shadow: none !important;
}

.btn-light {
    background: var(--accent);
    color: #0e1013;
    border-color: var(--accent);
}

.btn-light:hover,
.btn-light:focus {
    background: var(--accent-strong);
    color: #080a0d;
}

.btn-outline-light {
    border-color: var(--border-strong);
    color: var(--text);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.22);
    color: var(--text);
}

.hero-section .lead,
.text-secondary,
.form-text,
.tiny-muted,
.recent-run .tiny-muted,
.table .tiny-muted {
    color: var(--muted) !important;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    color: #c4ccd5;
}

.soft-panel,
.metric-card,
.recent-run,
.empty-state,
.board-shell,
.run-summary,
.toast,
.control-btn,
.score-chip {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

.hero-panel,
.soft-panel {
    background: rgba(18, 22, 27, 0.94);
}

.metric-card {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-height: 100%;
}

.metric-card.compact {
    padding: 0.9rem;
}

.metric-label {
    color: var(--muted);
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.metric-value {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 700;
}

.status-text {
    font-size: 1rem;
}

.score-chip {
    padding: 0.9rem 1rem;
    min-width: 112px;
}

.score-chip-lg {
    min-width: 160px;
}

.score-chip-label {
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.score-chip strong {
    font-size: 1.45rem;
}

.game-layout {
    display: grid;
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
}

.board-shell {
    padding: 0.85rem;
    width: fit-content;
    background: #0f1318;
}

.board-shell {
    position: relative;
    overflow: hidden;
}

.board-start-overlay {
    position: absolute;
    inset: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(9, 11, 13, 0.72);
    backdrop-filter: blur(3px);
    border-radius: 10px;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.board-start-overlay.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.board-start-card {
    display: grid;
    gap: 0.75rem;
    text-align: center;
    justify-items: center;
    padding: 1.25rem;
    min-width: 200px;
    background: rgba(18, 22, 27, 0.92);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

#tetris-board,
#next-piece {
    display: block;
    background: #090b0d;
    border-radius: 8px;
}

#tetris-board {
    width: min(100%, 300px);
    height: auto;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

#next-piece {
    width: 100%;
    max-width: 120px;
    height: auto;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.board-sidebar {
    display: grid;
    gap: 0.9rem;
}

.next-preview-card {
    align-items: stretch;
}

.keycaps {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.keycaps span {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.03);
}

.mobile-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.control-btn {
    min-height: 56px;
    color: var(--text);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-strong);
    touch-action: manipulation;
}

.control-btn:hover,
.control-btn:focus-visible {
    background: var(--surface-2);
    outline: none;
}

.control-btn:active {
    transform: translateY(1px);
}

.control-btn-wide {
    grid-column: span 3;
}

.control-btn.accent {
    background: var(--accent);
    color: #0b0d10;
}

.control-btn.accent:hover,
.control-btn.accent:focus-visible {
    background: var(--accent-strong);
}

.run-summary {
    padding: 1rem;
    color: var(--text);
}

.form-control-dark {
    background: var(--surface-2);
    border-color: var(--border-strong);
    color: var(--text);
    border-radius: 10px;
    padding: 0.8rem 0.9rem;
}

.form-control-dark:focus {
    background: var(--surface-2);
    border-color: rgba(255, 255, 255, 0.28);
    color: var(--text);
}

.form-control-dark::placeholder {
    color: #728093;
}

.rule-list,
.detail-list {
    display: grid;
    gap: 0.8rem;
}

.rule-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--muted);
}

.rule-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.rule-item strong {
    color: var(--text);
}

.leaderboard-table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-border-color: rgba(255, 255, 255, 0.08);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.03);
    margin-bottom: 0;
}

.table-link {
    color: var(--accent);
    text-decoration: none;
}

.recent-runs {
    min-height: 100%;
}

.recent-run {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.recent-run:hover,
.recent-run:focus {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.empty-state {
    padding: 1.25rem;
}

.empty-state.compact {
    min-height: 132px;
    display: flex;
    align-items: center;
}

.soft-alert,
.toast {
    color: var(--text);
    background: rgba(24, 29, 36, 0.96);
    border-color: var(--border-strong);
}

.toast {
    min-width: 280px;
}

.toast .toast-header {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.toast .btn-close {
    filter: invert(1) grayscale(1);
}

.detail-list {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--muted);
}

.detail-list li + li {
    margin-top: 0.65rem;
}

@media (max-width: 1199.98px) {
    .game-layout {
        grid-template-columns: 1fr;
    }

    .board-shell {
        width: 100%;
        display: flex;
        justify-content: center;
    }
}

@media (max-width: 767.98px) {
    .py-lg-6 {
        padding-top: 3.75rem !important;
        padding-bottom: 3.75rem !important;
    }

    .display-5 {
        font-size: 2.3rem;
    }

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

    .control-btn-wide {
        grid-column: span 2;
    }

    .score-chip,
    .score-chip-lg {
        min-width: 0;
    }
}


.page-shell {
    width: min(100% - 1.5rem, 1440px);
    margin: 0 auto;
}

.game-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(8, 10, 13, 0.92);
    backdrop-filter: blur(14px);
}

.game-page {
    min-height: calc(100vh - 72px);
}

.board-panel {
    background: linear-gradient(180deg, rgba(24, 29, 36, 0.98) 0%, rgba(14, 18, 22, 0.98) 100%);
}

.focus-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 1.25rem;
    align-items: start;
}

.board-stage {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.board-shell-large {
    width: 100%;
    max-width: 480px;
    padding: 1rem;
}

#tetris-board {
    width: min(100%, 420px);
    max-height: calc(100vh - 220px);
}

.sidebar-stack {
    display: grid;
    gap: 0.9rem;
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.soft-subpanel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.compact-keycaps {
    gap: 0.45rem;
}

.compact-keycaps span {
    font-size: 0.76rem;
    padding: 0.38rem 0.65rem;
}

.leaderboard-compact .table th,
.leaderboard-compact .table td {
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
}

.sticky-column {
    position: sticky;
    top: 88px;
}

@media (max-width: 1199.98px) {
    .sticky-column {
        position: static;
    }

    .focus-layout {
        grid-template-columns: 1fr;
    }

    .board-shell-large {
        max-width: 420px;
    }
}

@media (max-width: 767.98px) {
    .page-shell {
        width: min(100% - 1rem, 1440px);
    }

    .board-shell-large {
        padding: 0.7rem;
    }

    #tetris-board {
        width: min(100%, 340px);
        max-height: none;
    }

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

/* vivid arcade refresh */
body.tetris-app {
    position: relative;
    background:
        radial-gradient(circle at top left, rgba(34, 211, 238, 0.16), transparent 26%),
        radial-gradient(circle at 82% 18%, rgba(59, 130, 246, 0.16), transparent 22%),
        radial-gradient(circle at 50% 100%, rgba(249, 115, 22, 0.12), transparent 30%),
        linear-gradient(180deg, #071120 0%, #050913 52%, #04070f 100%);
}

body.tetris-app::before,
body.tetris-app::after {
    content: '';
    position: fixed;
    width: 26rem;
    height: 26rem;
    border-radius: 999px;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.32;
    z-index: 0;
}

body.tetris-app::before {
    top: -9rem;
    left: -8rem;
    background: rgba(34, 211, 238, 0.28);
}

body.tetris-app::after {
    right: -10rem;
    bottom: -10rem;
    background: rgba(249, 115, 22, 0.22);
}

.game-topbar,
.game-page {
    position: relative;
    z-index: 1;
}

.game-topbar {
    background: rgba(6, 11, 21, 0.76);
    backdrop-filter: blur(18px);
    border-color: rgba(124, 246, 255, 0.12) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.navbar-brand {
    background: linear-gradient(90deg, #ffffff 0%, #7cf6ff 45%, #60a5fa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent !important;
    text-shadow: 0 0 22px rgba(124, 246, 255, 0.18);
}

.btn-light {
    background: linear-gradient(135deg, #7cf6ff 0%, #60a5fa 100%);
    border-color: rgba(124, 246, 255, 0.55);
    color: #04111c;
    box-shadow: 0 14px 30px rgba(64, 179, 255, 0.28) !important;
}

.btn-light:hover,
.btn-light:focus {
    background: linear-gradient(135deg, #b4fbff 0%, #7cc7ff 100%);
    border-color: rgba(180, 251, 255, 0.75);
    color: #03101a;
    transform: translateY(-1px);
}

.btn-outline-light {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(124, 246, 255, 0.2);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    background: rgba(124, 246, 255, 0.1);
    border-color: rgba(124, 246, 255, 0.42);
}

.soft-panel,
.metric-card,
.recent-run,
.empty-state,
.board-shell,
.run-summary,
.toast,
.control-btn,
.score-chip {
    background:
        linear-gradient(180deg, rgba(13, 24, 40, 0.92) 0%, rgba(8, 15, 27, 0.92) 100%),
        rgba(8, 15, 27, 0.92);
    border-color: rgba(124, 246, 255, 0.12);
    box-shadow: 0 22px 60px rgba(2, 9, 20, 0.46);
}

.board-panel {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at top right, rgba(124, 246, 255, 0.1), transparent 24%),
        radial-gradient(circle at bottom left, rgba(249, 115, 22, 0.08), transparent 20%),
        linear-gradient(180deg, rgba(10, 20, 37, 0.96) 0%, rgba(5, 11, 20, 0.96) 100%);
}

.board-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(135deg, rgba(124, 246, 255, 0.05), transparent 38%, rgba(96, 165, 250, 0.06) 100%);
}

.board-shell,
.board-shell-large {
    background:
        linear-gradient(180deg, rgba(7, 15, 28, 0.98) 0%, rgba(5, 10, 20, 0.98) 100%);
    border: 1px solid rgba(124, 246, 255, 0.18);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 0 0 1px rgba(124, 246, 255, 0.08),
        0 30px 80px rgba(3, 10, 22, 0.55);
}

.board-shell::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(124, 246, 255, 0.06), transparent 22%, transparent 80%, rgba(249, 115, 22, 0.05));
}

#tetris-board,
#next-piece {
    border: 1px solid rgba(124, 246, 255, 0.18);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.03),
        0 0 24px rgba(56, 189, 248, 0.1);
}

.board-start-overlay {
    background: linear-gradient(180deg, rgba(4, 9, 18, 0.5) 0%, rgba(4, 9, 18, 0.78) 100%);
    backdrop-filter: blur(10px);
}

.board-start-card {
    min-width: 220px;
    background: linear-gradient(180deg, rgba(16, 29, 48, 0.96) 0%, rgba(8, 17, 31, 0.98) 100%);
    border-color: rgba(124, 246, 255, 0.24);
    box-shadow: 0 20px 45px rgba(2, 10, 22, 0.52), 0 0 24px rgba(56, 189, 248, 0.14);
}

.metric-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(13, 25, 42, 0.96) 0%, rgba(8, 17, 30, 0.96) 100%);
}

.metric-card::after {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(124, 246, 255, 0.75), rgba(96, 165, 250, 0.12));
    opacity: 0.65;
}

.next-preview-card {
    border-color: rgba(124, 246, 255, 0.26);
}

.quick-stats .metric-card:nth-child(1) {
    border-color: rgba(34, 211, 238, 0.3);
    box-shadow: 0 20px 50px rgba(34, 211, 238, 0.1);
}

.quick-stats .metric-card:nth-child(2) {
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 50px rgba(96, 165, 250, 0.1);
}

.quick-stats .metric-card:nth-child(3) {
    border-color: rgba(52, 211, 153, 0.28);
    box-shadow: 0 20px 50px rgba(52, 211, 153, 0.1);
}

.quick-stats .metric-card:nth-child(4) {
    border-color: rgba(249, 115, 22, 0.28);
    box-shadow: 0 20px 50px rgba(249, 115, 22, 0.1);
}

.metric-value {
    color: #f8fbff;
    text-shadow: 0 0 20px rgba(124, 246, 255, 0.08);
}

.status-text {
    color: #ffd39d;
}

.score-chip {
    background: linear-gradient(180deg, rgba(12, 24, 40, 0.96) 0%, rgba(8, 17, 30, 0.96) 100%);
    border-color: rgba(124, 246, 255, 0.22);
}

.soft-subpanel {
    background: linear-gradient(180deg, rgba(10, 19, 34, 0.86) 0%, rgba(7, 14, 26, 0.9) 100%);
    border-color: rgba(124, 246, 255, 0.12);
}

.keycaps span {
    background: rgba(124, 246, 255, 0.06);
    border-color: rgba(124, 246, 255, 0.16);
    color: #d7ecff;
}

.mobile-controls {
    gap: 0.85rem;
}

.control-btn {
    background: linear-gradient(180deg, rgba(16, 31, 50, 0.96) 0%, rgba(10, 20, 35, 0.96) 100%);
    border-color: rgba(124, 246, 255, 0.18);
    box-shadow: 0 12px 30px rgba(2, 10, 22, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.control-btn:hover,
.control-btn:focus-visible {
    background: linear-gradient(180deg, rgba(23, 45, 74, 1) 0%, rgba(12, 24, 42, 1) 100%);
    border-color: rgba(124, 246, 255, 0.34);
    transform: translateY(-2px);
}

.control-btn:active {
    transform: translateY(1px);
}

.control-btn.accent {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.96) 0%, rgba(251, 191, 36, 0.96) 100%);
    border-color: rgba(251, 191, 36, 0.45);
    color: #1e1204;
    box-shadow: 0 16px 30px rgba(249, 115, 22, 0.22);
}

.control-btn.accent:hover,
.control-btn.accent:focus-visible {
    background: linear-gradient(135deg, rgba(251, 146, 60, 1) 0%, rgba(253, 224, 71, 1) 100%);
}

.soft-alert {
    background: linear-gradient(180deg, rgba(16, 29, 48, 0.94) 0%, rgba(8, 18, 31, 0.96) 100%);
    border-color: rgba(124, 246, 255, 0.16);
}

.badge.text-bg-dark {
    background: rgba(124, 246, 255, 0.08) !important;
    color: #dff9ff !important;
}

.form-control-dark,
.form-control {
    background: rgba(7, 14, 26, 0.92);
    border-color: rgba(124, 246, 255, 0.14);
    color: var(--text);
}

.form-control-dark:focus,
.form-control:focus {
    background: rgba(9, 18, 31, 0.96);
    border-color: rgba(124, 246, 255, 0.4);
    color: var(--text);
    box-shadow: 0 0 0 0.2rem rgba(56, 189, 248, 0.12);
}

.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-border-color: rgba(124, 246, 255, 0.1);
}

@media (max-width: 767.98px) {
    body.tetris-app::before,
    body.tetris-app::after {
        width: 16rem;
        height: 16rem;
        filter: blur(56px);
        opacity: 0.22;
    }
}



.leaderboard-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.online-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.online-dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 999px;
    background: #4ade80;
    box-shadow: 0 0 0.8rem rgba(74, 222, 128, 0.65);
    flex: 0 0 auto;
}

.recent-feed {
    display: grid;
    gap: 0.75rem;
}

.recent-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0.95rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: inherit;
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.recent-item:hover,
.recent-item:focus {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.05);
}

.recent-item strong {
    display: block;
    color: var(--text);
}

.recent-item-meta {
    color: var(--muted);
    font-size: 0.84rem;
    margin-top: 0.2rem;
}


/* multiplayer lobby */
.room-intro {
    line-height: 1.55;
}

.room-actions {
    display: flex;
    gap: 0.75rem;
}

.room-code-input {
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.room-empty-state {
    margin-bottom: 0;
}

.room-state-card {
    padding: 1rem;
    border: 1px solid rgba(124, 246, 255, 0.16);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, rgba(12, 24, 41, 0.94) 0%, rgba(8, 16, 29, 0.96) 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.room-code-display {
    margin-top: 0.35rem;
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.18em;
    color: var(--accent);
    text-transform: uppercase;
}

.room-status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 96px;
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.room-status-waiting {
    color: #ffe4a8;
    background: rgba(250, 204, 21, 0.12);
    border-color: rgba(250, 204, 21, 0.26);
}

.room-status-ready {
    color: #c9ffe0;
    background: rgba(34, 197, 94, 0.14);
    border-color: rgba(34, 197, 94, 0.28);
}

.room-player-list {
    display: grid;
    gap: 0.7rem;
}

.room-player-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(124, 246, 255, 0.08);
}

.room-player-line strong {
    text-align: right;
}

.room-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.room-meta-value {
    font-size: 1rem;
}

.room-message {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

@media (max-width: 575.98px) {
    .room-meta-grid {
        grid-template-columns: 1fr;
    }

    .room-code-display {
        font-size: 1.35rem;
        letter-spacing: 0.14em;
    }
}