/* ==========================================================
   Mobile-First Modern Chess App Stylesheet
   Theme: Luxury Dark Slate & Emerald Glow
   ========================================================== */

:root {
    --bg-main: #0b0f17;
    --bg-surface: #131b26;
    --bg-surface-elevated: #1a2433;
    --bg-card: #151f2e;
    --border-color: #243042;
    --border-highlight: #334155;

    --primary: #10b981;
    --primary-hover: #059669;
    --primary-glow: rgba(16, 185, 129, 0.35);
    --primary-soft: rgba(16, 185, 129, 0.12);

    --accent-blue: #38bdf8;
    --accent-gold: #f59e0b;
    --accent-red: #ef4444;
    --accent-red-glow: rgba(239, 68, 68, 0.5);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Emerald Theme Squares */
    --sq-light: #eeeed2;
    --sq-dark: #769656;
    --sq-select: rgba(245, 158, 11, 0.6);
    --sq-last-move: rgba(245, 158, 11, 0.35);
    --sq-hint: rgba(16, 185, 129, 0.7);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-modal: 0 20px 40px rgba(0, 0, 0, 0.7);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Walnut Wood Board Theme */
[data-theme="wood"] {
    --sq-light: #f0d9b5;
    --sq-dark: #b58863;
}

/* Midnight Ocean Board Theme */
[data-theme="ocean"] {
    --sq-light: #dee3e6;
    --sq-dark: #8ca2ad;
}

/* Glass Dark Board Theme */
[data-theme="darkglass"] {
    --sq-light: #334155;
    --sq-dark: #1e293b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    overflow-y: auto;
}

/* ==========================================================
   App Container (Mobile Phone Shell)
   ========================================================== */
.app-container {
    width: 100%;
    max-width: 440px;
    min-height: 100vh;
    min-height: 100dvh;
    background-color: var(--bg-surface);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-card);
    position: relative;
    padding: 8px 12px;
    margin: 0 auto;
    overflow-x: hidden;
}

@media (min-width: 500px) {
    .app-container {
        border-radius: var(--radius-lg);
        min-height: 94vh;
        margin: 16px auto;
        border: 1px solid var(--border-color);
    }
}

/* ==========================================================
   Header & Status Bar
   ========================================================== */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 4px 10px;
    border-bottom: 1px solid var(--border-color);
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-icon {
    width: 26px;
    height: 26px;
    color: var(--primary);
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: #ffffff;
}

.brand-title span {
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.icon-btn {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 34px;
    height: 34px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.icon-btn:hover {
    color: var(--text-primary);
    border-color: var(--primary);
    background: var(--primary-soft);
}

.icon-btn:active {
    transform: scale(0.94);
}

/* ==========================================================
   Player Cards (Top & Bottom)
   ========================================================== */
.player-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    margin: 6px 0;
    transition: all 0.25s ease;
}

.player-card.active-turn {
    border-color: var(--primary);
    box-shadow: 0 0 14px var(--primary-glow);
    background: linear-gradient(135deg, var(--bg-card) 70%, rgba(16, 185, 129, 0.08));
}

.player-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.player-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--bg-surface-elevated);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    position: relative;
    flex-shrink: 0;
}

.player-card.active-turn .player-avatar {
    border-color: var(--primary);
}

.avatar-online-dot {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border: 2px solid var(--bg-card);
    border-radius: 50%;
}

.player-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.player-name-row {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-elo {
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--accent-blue);
    padding: 1px 5px;
    border-radius: 6px;
    flex-shrink: 0;
}

.captured-pieces {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    min-height: 16px;
    gap: 1px;
}

.captured-piece {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1;
}

.advantage-badge {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary);
    margin-left: 4px;
}

/* Digital LED Clock */
.player-clock {
    background: #05080e;
    border: 1px solid #1e293b;
    border-radius: 10px;
    padding: 5px 10px;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: 1.15rem;
    font-weight: 700;
    color: #e2e8f0;
    letter-spacing: 1px;
    min-width: 74px;
    text-align: center;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.7);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.player-card.active-turn .player-clock {
    color: #ffffff;
    border-color: var(--primary);
    background: #022013;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3), inset 0 2px 6px rgba(0, 0, 0, 0.7);
}

.player-clock.low-time {
    color: #fca5a5 !important;
    border-color: var(--accent-red) !important;
    background: #2b0c0c !important;
    animation: pulse-red 1s infinite alternate;
}

@keyframes pulse-red {
    from { box-shadow: 0 0 6px var(--accent-red-glow); }
    to { box-shadow: 0 0 16px var(--accent-red-glow); }
}

/* ==========================================================
   Game Status Banner
   ========================================================== */
.turn-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 3px 6px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.turn-pill {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
}

.turn-banner.thinking .turn-pill {
    animation: blink 0.8s infinite alternate;
}

@keyframes blink {
    0% { opacity: 0.3; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1.2); }
}

/* ==========================================================
   Chess Board View
   ========================================================== */
.board-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2px 0;
}

.chess-board {
    width: 100%;
    max-width: 414px;
    aspect-ratio: 1 / 1;
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    grid-template-rows: repeat(8, minmax(0, 1fr));
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 0 3px var(--border-color);
    position: relative;
    touch-action: manipulation;
}

.square {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.15s ease;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.square.light {
    background-color: var(--sq-light);
}

.square.dark {
    background-color: var(--sq-dark);
}

/* Coordinate notations */
.square .coord-file {
    position: absolute;
    bottom: 1px;
    right: 2px;
    font-size: 0.6rem;
    font-weight: 700;
    pointer-events: none;
    line-height: 1;
}

.square .coord-rank {
    position: absolute;
    top: 1px;
    left: 2px;
    font-size: 0.6rem;
    font-weight: 700;
    pointer-events: none;
    line-height: 1;
}

.square.light .coord-file,
.square.light .coord-rank {
    color: var(--sq-dark);
}

.square.dark .coord-file,
.square.dark .coord-rank {
    color: var(--sq-light);
}

/* Square States */
.square.selected {
    background-color: var(--sq-select) !important;
}

.square.last-move {
    background-color: var(--sq-last-move) !important;
}

.square.in-check {
    background: radial-gradient(circle, #ef4444 30%, rgba(239, 68, 68, 0.4) 75%) !important;
    animation: check-pulse 1s infinite alternate;
}

@keyframes check-pulse {
    from { opacity: 0.85; }
    to { opacity: 1; filter: brightness(1.2); }
}

/* Move Hints (Legal target squares) */
.square.hint::after {
    content: '';
    position: absolute;
    width: 28%;
    height: 28%;
    border-radius: 50%;
    background-color: var(--sq-hint);
    pointer-events: none;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}

/* Capture target hint: hollow ring overlay */
.square.hint.is-capture::after {
    width: 78%;
    height: 78%;
    background-color: transparent;
    border: 4px solid var(--sq-hint);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

/* Chess Piece inside square */
.chess-piece {
    width: 86%;
    height: 86%;
    max-width: 100%;
    max-height: 100%;
    pointer-events: none;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.35));
    transition: transform 0.12s ease;
}

.square:active .chess-piece {
    transform: scale(1.08);
}

/* ==========================================================
   Bottom Controls Bar
   ========================================================== */
.controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px 2px;
    margin-top: 6px;
    gap: 2px;
}

.ctrl-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 6px 4px;
    border-radius: 8px;
    cursor: pointer;
    flex: 1;
    min-width: 0;
    transition: all 0.18s ease;
}

.ctrl-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.15s ease;
}

.ctrl-btn:hover {
    color: var(--text-primary);
    background: var(--bg-surface-elevated);
}

.ctrl-btn:active {
    transform: scale(0.92);
}

.ctrl-btn.active {
    color: var(--primary);
}

.ctrl-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==========================================================
   Modals & Overlays (Mobile First)
   ========================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 14, 0.82);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-modal);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.92) translateY(10px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90vh;
}

.modal-overlay.open .modal-card {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 16px 18px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Tabs */
.tab-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 4px;
    gap: 4px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 10px 4px;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    text-align: center;
}

.tab-btn svg {
    width: 20px;
    height: 20px;
}

.tab-btn.active {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px var(--primary-glow);
}

/* Section Labels */
.section-title {
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* Side Selector (White / Random / Black) */
.side-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.side-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.82rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.side-btn svg {
    width: 34px;
    height: 34px;
}

.side-btn:hover {
    border-color: var(--primary-hover);
}

.side-btn.active {
    border-color: var(--primary);
    background: var(--primary-soft);
    box-shadow: 0 0 14px var(--primary-glow);
}

/* Difficulty Selector */
.difficulty-pills {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

@media (min-width: 380px) {
    .difficulty-pills {
        grid-template-columns: repeat(4, 1fr);
    }
}

.diff-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 4px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.diff-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-primary);
}

.diff-elo {
    font-size: 0.7rem;
    color: var(--accent-blue);
    font-weight: 600;
}

.diff-btn.active {
    border-color: var(--primary);
    background: var(--primary-soft);
}

/* Slider */
.slider-container {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.range-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 0 10px var(--primary-glow);
    border: 2px solid #ffffff;
}

/* Time Control Grid */
.time-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.time-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 4px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.time-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.time-sub {
    font-size: 0.68rem;
    color: var(--text-muted);
}

.time-btn.active {
    border-color: var(--primary);
    background: var(--primary-soft);
}

/* Toggle Switch Rows */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.toggle-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.toggle-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider-toggle {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--border-color);
    transition: .3s;
    border-radius: 24px;
}

.slider-toggle:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider-toggle {
    background-color: var(--primary);
}

input:checked + .slider-toggle:before {
    transform: translateX(20px);
}

/* CTA Button */
.btn-primary {
    background: var(--primary);
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    padding: 14px 20px;
    width: 100%;
    cursor: pointer;
    box-shadow: 0 6px 18px var(--primary-glow);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: 0.5px;
    margin-top: 6px;
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 8px 24px var(--primary-glow);
}

.btn-primary:active {
    transform: scale(0.97);
}

/* ==========================================================
   Play with Friends / Online Challenge Styles
   ========================================================== */
.friend-card-link {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-surface-elevated));
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.room-code-badge {
    font-family: monospace;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 2px;
    text-align: center;
    background: rgba(16, 185, 129, 0.1);
    padding: 8px;
    border-radius: 8px;
    border: 1px dashed var(--primary);
}

.link-input-group {
    display: flex;
    align-items: center;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.link-input-group input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 10px 12px;
    font-size: 0.8rem;
    flex: 1;
    outline: none;
    user-select: text;
}

.link-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 4px;
}

.btn-whatsapp {
    background: #25d366;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.82rem;
    border: none;
    border-radius: 8px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-whatsapp:hover {
    background: #20bd5a;
}

.btn-secondary {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.82rem;
    border-radius: 8px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    border-color: var(--primary);
}

/* Online Friends List */
.friends-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.friend-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    transition: all 0.2s ease;
}

.friend-item:hover {
    border-color: var(--border-highlight);
}

.friend-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-challenge {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-challenge:hover {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* ==========================================================
   Pawn Promotion Modal
   ========================================================== */
.promotion-pieces {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 10px 0;
}

.promo-piece-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 8px;
    transition: all 0.2s ease;
}

.promo-piece-btn:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
    transform: scale(1.06);
}

/* ==========================================================
   Game Over Modal
   ========================================================== */
.gameover-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

.gameover-icon {
    font-size: 3.5rem;
    line-height: 1;
}

.gameover-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
}

.gameover-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ==========================================================
   Move History Drawer
   ========================================================== */
.moves-drawer {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-height: 120px;
    overflow-y: auto;
    padding: 8px 12px;
    margin-top: 6px;
    display: none;
}

.moves-drawer.open {
    display: block;
}

.moves-list {
    display: grid;
    grid-template-columns: 36px 1fr 1fr;
    gap: 4px 10px;
    font-size: 0.8rem;
    font-family: monospace;
}

.move-num {
    color: var(--text-muted);
}

.move-san {
    color: var(--text-primary);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}