/* ============================================
   SANDBOX PAGE
   ============================================ */

.sandbox {
    padding: calc(var(--nav-height) + 20px) 20px 40px;
    min-height: 100vh;
}

/* Header */
.sandbox__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.sandbox__title-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sandbox__title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
}

.sandbox__actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Main layout - 3 colonnes */
.sandbox__content {
    display: grid;
    grid-template-columns: 200px 1fr var(--sidebar-width);
    gap: 24px;
    max-width: 1600px;
    margin: 0 auto;
}

/* Panel coups à gauche */
.sandbox__moves-panel {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    padding: 16px;
    height: fit-content;
    position: sticky;
    top: calc(var(--nav-height) + 20px);
}

.moves-panel__header {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-purple);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-subtle);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.moves-panel__content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sandbox__moves-panel .moves-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    padding: 6px 8px;
    margin: 0;
    list-style: none;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    min-height: 32px;
}

.sandbox__moves-panel .moves-group:empty,
.sandbox__moves-panel .moves-group:not(:has(li)) {
    display: none;
}

.sandbox__moves-panel .piece-icon {
    font-size: 1.1rem;
    width: 22px;
    opacity: 0.7;
}

.sandbox__moves-panel .moves-group button {
    padding: 4px 8px;
    font-size: 0.8rem;
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: 'JetBrains Mono', monospace;
}

.sandbox__moves-panel .moves-group button:hover {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    transform: translateY(-1px);
}

.sandbox__moves-panel .moves-group li.most-voted button {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #000;
    font-weight: 600;
}

/* Board area */
.sandbox__main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Board container with webcam overlay */
.board-wrapper {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-subtle);
    padding: 20px;
    overflow: hidden;
}

.board-container {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
}

/* Chessboard overrides */
#myBoard {
    width: 100% !important;
}

.board-b72b1 {
    border-radius: var(--radius-sm);
    overflow: hidden;
}

/* Webcam overlay */
.webcam-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    pointer-events: none;
    z-index: 5;
    border-radius: var(--radius-sm);
    overflow: hidden;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.webcam-overlay.is-visible {
    opacity: var(--webcam-opacity, 0.3);
}

.webcam-overlay video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Webcam controls */
.webcam-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    margin-top: 12px;
}

.webcam-controls__toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.webcam-controls__opacity {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.webcam-controls__opacity-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.webcam-controls__opacity-value {
    font-size: 0.85rem;
    color: var(--text-primary);
    min-width: 40px;
}

/* Sidebar */
.sandbox__sidebar {
    /*display: flex;*/
    flex-direction: column;
    gap: 16px;
    max-height: calc(70vh);
    overflow-y: auto;
}

/* Mode selector */
.mode-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
}

.mode-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.mode-option:hover {
    border-color: var(--accent-purple);
}

.mode-option.is-active {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.1);
}

.mode-option__icon {
    font-size: 24px;
}

.mode-option__label {
    font-size: 0.85rem;
    font-weight: 600;
}

/* Mode-specific options */
.mode-options {
    display: none;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    margin-top: 12px;
}

.mode-options.is-visible {
    display: flex;
}

/* Player inputs */
.player-input {
    display: flex;
    align-items: center;
    gap: 12px;
}

.player-input__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 80px;
}

.player-input__field {
    flex: 1;
}

/* History panel */
.history-list {
    max-height: 250px;
    overflow-y: auto;
}

.history-row {
    display: grid;
    grid-template-columns: 40px 1fr 1fr;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
}

.history-row:last-child {
    border-bottom: none;
}

.history-row__number {
    color: var(--text-muted);
}

.history-row__move {
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: var(--transition-fast);
}

.history-row__move:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Conditional sections */
.conditional-section {
    display: none;
}

.conditional-section.is-visible {
    display: block;
}

/* Responsive */
@media (max-width: 1100px) {
    .sandbox__content {
        grid-template-columns: 1fr;
    }
    
    .sandbox__sidebar {
        max-height: none;
    }
}

@media (max-width: 768px) {
    .sandbox__header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .sandbox__actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .mode-selector {
        grid-template-columns: repeat(3, 1fr);
    }
}