/* === Tangrams Styles === */
.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5);
    min-height: calc(100vh - var(--nav-height));
    padding-top: calc(var(--nav-height) + var(--space-8));
}

.game-header {
    text-align: center;
}

.difficulty-selector {
    display: flex;
    justify-content: center;
}

.difficulty-buttons {
    display: flex;
    gap: var(--space-2);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: 4px;
}

.difficulty-btn {
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    font-family: var(--font-body);
}

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

.difficulty-btn--active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.tangram-layout {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: center;
}

.tangram-target {
    text-align: center;
}

.target-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

#target-canvas {
    background: var(--bg-card);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

.tangram-workspace {
    position: relative;
}

#workspace-canvas {
    background: var(--bg-card);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: grab;
    touch-action: none;
}

#workspace-canvas:active {
    cursor: grabbing;
}

.controls {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
}

.puzzle-info {
    display: flex;
    gap: var(--space-6);
}

.puzzle-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}

@media (max-width:768px) {
    .tangram-layout {
        flex-direction: column;
        align-items: center;
    }

    #target-canvas {
        width: 200px;
        height: 200px;
    }

    #workspace-canvas {
        width: min(90vw, 350px);
        height: min(90vw, 350px);
    }
}