/* === Jigsaw Puzzle Styles === */
.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    min-height: calc(100vh - var(--nav-height));
    padding-top: calc(var(--nav-height) + var(--space-3));
    padding-bottom: var(--space-4);
}

.controls-bar {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.difficulty-buttons {
    display: flex;
    gap: var(--space-2);
}

.difficulty-btn {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    cursor: pointer;
    border: 1px solid var(--glass-border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: var(--font-body);
    transition: all var(--transition-fast);
}

.difficulty-btn--active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.difficulty-btn:hover:not(.difficulty-btn--active) {
    border-color: rgba(99, 102, 241, 0.3);
}

.jigsaw-layout {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    justify-content: center;
    width: 100%;
    max-width: 900px;
}

.jigsaw-preview {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.jigsaw-preview canvas {
    border-radius: var(--radius-lg);
    border: 2px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

.preview-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.jigsaw-board-wrap {
    flex: 1;
    max-width: 600px;
    max-height: 600px;
    overflow: auto;
    border-radius: var(--radius-lg);
    border: 2px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    position: relative;
}

.jigsaw-board-wrap canvas {
    display: block;
    cursor: crosshair;
}

.piece-tray {
    width: 100%;
    max-width: 900px;
    overflow-x: auto;
    overflow-y: hidden;
    border-radius: var(--radius-lg);
    border: 2px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.15);
    padding: var(--space-2);
}

.piece-tray canvas {
    display: block;
    cursor: grab;
}

.info-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.info-modal__card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    max-width: 420px;
    width: 90%;
}

.info-modal__card h2 {
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.info-modal__card ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.info-modal__card li {
    color: var(--text-secondary);
    padding-left: var(--space-4);
    position: relative;
}

.info-modal__card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-primary-bright);
}

@media (max-width: 700px) {
    .jigsaw-layout {
        flex-direction: column;
        align-items: center;
    }

    .jigsaw-preview canvas {
        width: 120px;
        height: 120px;
    }

    .jigsaw-board-wrap {
        max-width: 100%;
        max-height: 50vh;
    }
}