:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #15151f;
    --bg-card-hover: #1a1a25;
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --accent: #8080ff;
    --accent-soft: rgba(128, 128, 255, 0.18);
    --danger: #ff6b6b;
    --danger-soft: rgba(255, 107, 107, 0.18);
    --success: #58d68d;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

body {
    background-image:
        linear-gradient(var(--border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
    background-size: 60px 60px;
    background-attachment: fixed;
}

::selection {
    background: var(--accent-soft);
    color: #fff;
}

a {
    color: var(--accent);
    text-decoration: none;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 16px 24px;
    background: linear-gradient(to bottom, var(--bg-primary) 80%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 12px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.back-link:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: var(--bg-card);
}

.title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.title-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger);
    box-shadow: 0 0 12px var(--danger);
    animation: pulse 1.6s ease-in-out infinite;
}

.title-dot.idle {
    background: var(--text-muted);
    box-shadow: none;
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Main layout */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 24px;
}

/* Stage (video preview) */
.stage {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stage video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: #000;
    transition: filter 0.15s ease;
}

.stage.mirror video {
    transform: scaleX(-1);
}

.stage-empty {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    text-align: center;
    padding: 24px;
    color: var(--text-secondary);
}

.stage-empty .icon {
    font-size: 56px;
    opacity: 0.5;
}

.stage-empty .hint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
    max-width: 360px;
    line-height: 1.5;
}

.stage-overlay {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    gap: 8px;
    pointer-events: none;
}

.tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.55);
    border-radius: 4px;
    color: var(--text-primary);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.flash {
    position: absolute;
    inset: 0;
    background: white;
    opacity: 0;
    pointer-events: none;
}

.flash.fire {
    animation: flash 0.35s ease-out;
}

@keyframes flash {
    0% { opacity: 0.9; }
    100% { opacity: 0; }
}

/* Side panel */
.panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 18px;
}

.card-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* Buttons */
.btn {
    appearance: none;
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.btn:hover:not(:disabled) {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #0a0a0f;
    font-weight: 600;
}

.btn.primary:hover:not(:disabled) {
    background: #9b9bff;
    border-color: #9b9bff;
}

.btn.danger {
    color: var(--danger);
    border-color: var(--danger-soft);
}

.btn.danger:hover:not(:disabled) {
    background: var(--danger-soft);
}

.btn.icon {
    width: 40px;
    height: 40px;
    padding: 0;
    font-size: 16px;
}

.btn.icon.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

.btn.full {
    width: 100%;
}

.btn-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

/* Filters */
.filter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.filter {
    appearance: none;
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px 6px;
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.filter:hover {
    background: var(--bg-card-hover);
}

.filter.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

/* Sliders */
.slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.slider-row:last-child {
    margin-bottom: 0;
}

.slider-row label {
    flex-shrink: 0;
    width: 64px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.slider-row input[type="range"] {
    flex: 1;
    accent-color: var(--accent);
    height: 4px;
}

.slider-row .val {
    flex-shrink: 0;
    width: 36px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-primary);
    text-align: right;
}

/* Status */
.status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    word-break: break-word;
}

.status.error {
    color: var(--danger);
    border-color: var(--danger-soft);
    background: var(--danger-soft);
}

.status.ok {
    color: var(--success);
    border-color: rgba(88, 214, 141, 0.2);
    background: rgba(88, 214, 141, 0.1);
}

/* Camera list */
.camera-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 160px;
    overflow-y: auto;
}

.camera-item {
    appearance: none;
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 12px;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
}

.camera-item:hover {
    background: var(--bg-card-hover);
}

.camera-item.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.camera-empty {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    padding: 8px 0;
}

/* Gallery */
.gallery-section {
    grid-column: 1 / -1;
    margin-top: 8px;
}

.gallery-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.gallery-header h2 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.2px;
}

.gallery-header .count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.gallery-empty {
    grid-column: 1 / -1;
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-lg);
}

.tile {
    position: relative;
    aspect-ratio: 1 / 1;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tile:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.tile-meta {
    position: absolute;
    inset: auto 0 0 0;
    padding: 6px 8px;
    background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.tile:hover .tile-meta {
    opacity: 1;
}

.tile-del {
    appearance: none;
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid var(--danger-soft);
    color: var(--danger);
    padding: 3px 8px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 10px;
    cursor: pointer;
}

.tile-del:hover {
    background: var(--danger);
    color: white;
}

/* Always-visible × delete in the top-right corner of a tile */
.tile-x {
    position: absolute;
    top: 6px;
    right: 6px;
    appearance: none;
    width: 24px;
    height: 24px;
    line-height: 1;
    padding: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 16px;
    cursor: pointer;
    opacity: 0;
    transition: all 0.15s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.tile:hover .tile-x,
.tile-x:focus-visible {
    opacity: 1;
}

.tile-x:hover {
    background: var(--danger);
    border-color: var(--danger);
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 24px;
}

.lightbox.open {
    display: flex;
}

.lightbox img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 16px;
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    z-index: 2;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    appearance: none;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    width: 48px;
    height: 64px;
    border-radius: 8px;
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    transition: all 0.15s ease;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.3);
}

.lightbox-nav.prev { left: 16px; }
.lightbox-nav.next { right: 16px; }

.lightbox-bar {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2;
}

.lightbox-info {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-primary);
    white-space: nowrap;
    max-width: 50vw;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lightbox-bar .btn {
    padding: 4px 12px;
    font-size: 12px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    z-index: 300;
    transition: transform 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.error {
    border-color: var(--danger-soft);
    color: var(--danger);
}

.toast.ok {
    border-color: rgba(88, 214, 141, 0.3);
    color: var(--success);
}

/* Mobile */
@media (max-width: 900px) {
    .main {
        grid-template-columns: 1fr;
    }

    .panel {
        order: 2;
    }

    .stage {
        order: 1;
    }
}

@media (max-width: 600px) {
    .header {
        padding: 12px 16px;
    }

    .main {
        padding: 16px;
        gap: 16px;
    }

    .title {
        font-size: 16px;
    }

    .card {
        padding: 14px;
    }

    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

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

/* ============================================================ */
/* Game mode                                                     */
/* ============================================================ */

.hidden { display: none !important; }

.mode-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 4px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.mode-tab {
    appearance: none;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 6px;
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.mode-tab:hover {
    color: var(--text-primary);
}

.mode-tab.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

/* Pose-canvas overlay — sits on top of the video, follows its mirror */
.pose-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.stage.mirror .pose-canvas {
    transform: scaleX(-1);
}

/* HUD overlay (visible only in game mode) */
.game-hud {
    position: absolute;
    inset: 0;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 10px;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

.hud-row.top {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.hud-pill {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.hud-pill strong {
    color: var(--accent);
    font-weight: 600;
    margin: 0 2px;
}

/* Target pose card — horizontal layout, pinned just below the top pills.
   Always visible so the user always knows what pose to match. */
.hud-target {
    align-self: center;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 18px;
    background: rgba(10, 10, 15, 0.78);
    border: 2px solid var(--accent);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 0 24px rgba(128, 128, 255, 0.25);
    animation: target-pulse 1.6s ease-in-out infinite;
}

.target-icon {
    font-size: 40px;
    line-height: 1;
    flex-shrink: 0;
}

.target-text {
    text-align: left;
}

.target-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.target-hint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@keyframes target-pulse {
    0%, 100% { box-shadow: 0 0 24px rgba(128, 128, 255, 0.25); }
    50%      { box-shadow: 0 0 36px rgba(128, 128, 255, 0.5); }
}

.hud-spacer {
    flex: 1;
}

.hud-meter {
    align-self: center;
    width: min(80%, 480px);
    background: rgba(10, 10, 15, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.meter-track {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.meter-fill {
    height: 100%;
    width: 0%;
    background: #ff6b6b;
    border-radius: 4px;
    transition: width 0.1s ease, background 0.2s ease;
}

.meter-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
    letter-spacing: 0.5px;
}

.meter-label strong {
    color: var(--text-primary);
    font-weight: 600;
    margin: 0 2px;
}

.hud-state {
    align-self: center;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.55);
    padding: 8px 18px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Pose cards in the sidebar */
.pose-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.pose-card {
    padding: 10px 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    text-align: center;
    transition: all 0.15s ease;
}

.pose-card.active {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.pose-card-icon {
    font-size: 24px;
    line-height: 1;
    margin-bottom: 4px;
}

.pose-card-name {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 2px;
}

.pose-card-hint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Game result panel */
.game-result {
    font-size: 13px;
}

.result-empty {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    text-align: center;
    padding: 8px 0;
}

.result-score {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-align: center;
    margin-bottom: 12px;
    color: var(--accent);
}

.result-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-row {
    display: grid;
    grid-template-columns: 24px 1fr auto;
    align-items: center;
    padding: 6px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.result-row.won {
    background: rgba(88, 214, 141, 0.1);
}

.result-row.lost {
    background: rgba(255, 107, 107, 0.08);
}

.result-icon {
    font-weight: 700;
}

.result-row.won .result-icon { color: var(--success); }
.result-row.lost .result-icon { color: var(--danger); }

.result-name {
    font-weight: 500;
}

.result-pct {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
}

/* Pose-loader status line under the start button */
.pose-loader-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-align: center;
    color: var(--text-muted);
    margin-top: 10px;
    padding: 6px 8px;
    border-radius: 4px;
    background: var(--bg-secondary);
}

.pose-loader-status.ok {
    color: var(--success);
}

/* Stage flashes for round win/lose */
.stage.flash-win {
    animation: flashWin 0.6s ease-out;
}

.stage.flash-lose {
    animation: flashLose 0.6s ease-out;
}

@keyframes flashWin {
    0% { box-shadow: inset 0 0 0 0 rgba(88, 214, 141, 0); }
    30% { box-shadow: inset 0 0 80px 0 rgba(88, 214, 141, 0.5); }
    100% { box-shadow: inset 0 0 0 0 rgba(88, 214, 141, 0); }
}

@keyframes flashLose {
    0% { box-shadow: inset 0 0 0 0 rgba(255, 107, 107, 0); }
    30% { box-shadow: inset 0 0 80px 0 rgba(255, 107, 107, 0.4); }
    100% { box-shadow: inset 0 0 0 0 rgba(255, 107, 107, 0); }
}