.canvas-section {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.canvas-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--color-lilac-rgb), 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.canvas-section__accent {
    color: var(--color-lilac);
    font-style: italic;
}


.canvas-container {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    margin-bottom: var(--space-3xl);
    overflow: visible;
}


.canvas-toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(var(--color-cream-rgb), 0.1);
    margin-bottom: var(--space-md);
}

.canvas-colors {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    align-items: center;
    min-width: fit-content;
    padding: var(--space-sm);
}

.canvas-color {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
    flex-shrink: 0;
}

.canvas-color::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: border-color var(--duration-fast) var(--ease-out);
}

.canvas-color:hover {
    transform: scale(1.15);
}

.canvas-color.active::after {
    border-color: var(--color-cream);
}

.canvas-tools {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.canvas-brush-size {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.canvas-slider {
    width: 100px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(var(--color-cream-rgb), 0.2);
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
}

.canvas-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-lilac);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--duration-fast) var(--ease-out);
}

.canvas-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.canvas-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--color-lilac);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.canvas-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: rgba(var(--color-coral-rgb), 0.2);
    border: 1px solid rgba(var(--color-coral-rgb), 0.3);
    border-radius: var(--radius-md);
    color: var(--color-coral);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.canvas-btn svg {
    width: 16px;
    height: 16px;
}

.canvas-btn:hover {
    background: rgba(var(--color-coral-rgb), 0.3);
    transform: translateY(-2px);
}

.canvas-btn--save {
    background: rgba(var(--color-sage-rgb), 0.2);
    border-color: rgba(var(--color-sage-rgb), 0.3);
    color: var(--color-sage);
}

.canvas-btn--save:hover {
    background: rgba(var(--color-sage-rgb), 0.3);
}

.canvas-name-input {
    display: flex;
    align-items: center;
}

.canvas-name {
    width: 120px;
    padding: var(--space-sm) var(--space-md);
    background: rgba(var(--color-cream-rgb), 0.1);
    border: 1px solid rgba(var(--color-cream-rgb), 0.2);
    border-radius: var(--radius-md);
    color: var(--color-cream);
    font-size: var(--text-sm);
    font-family: var(--font-body);
    outline: none;
    transition: all var(--duration-fast) var(--ease-out);
}

.canvas-name::placeholder {
    color: var(--text-tertiary);
}

.canvas-name:focus {
    border-color: rgba(var(--color-lilac-rgb), 0.5);
    background: rgba(var(--color-cream-rgb), 0.15);
}

.canvas-btn--undo,
.canvas-btn--redo {
    background: rgba(var(--color-lilac-rgb), 0.2);
    border-color: rgba(var(--color-lilac-rgb), 0.3);
    color: var(--color-lilac);
    padding: var(--space-sm);
}

.canvas-btn--undo:hover:not(:disabled),
.canvas-btn--redo:hover:not(:disabled) {
    background: rgba(var(--color-lilac-rgb), 0.3);
}

.canvas-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.canvas-btn:disabled:hover {
    transform: none;
}


.canvas-message {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    opacity: 0;
    transition: all var(--duration-normal) var(--ease-out);
    z-index: 10;
}

.canvas-message--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.canvas-message--success {
    background: rgba(var(--color-sage-rgb), 0.9);
    color: var(--color-night);
}

.canvas-message--warning {
    background: rgba(var(--color-sand-rgb), 0.9);
    color: var(--color-night);
}

.canvas-message--error {
    background: rgba(var(--color-coral-rgb), 0.9);
    color: var(--color-cream);
}


.canvas-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.drawing-canvas {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    cursor: crosshair;
    touch-action: none;
    display: block;
    flex-shrink: 0;
}

.canvas-hint {
    text-align: center;
    margin-top: var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}


.canvas-gallery {
    text-align: center;
}

.canvas-gallery__title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.canvas-gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-md);
}

.canvas-gallery__item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    transition: transform var(--duration-fast) var(--ease-out);
    display: flex;
    flex-direction: column;
}

.canvas-gallery__item:hover {
    transform: scale(1.05);
}

.canvas-gallery__item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.canvas-gallery__artist {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-align: center;
    background: rgba(var(--color-primary-rgb), 0.1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.canvas-gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.canvas-gallery__empty {
    grid-column: 1 / -1;
    padding: var(--space-2xl);
    color: var(--text-tertiary);
    font-style: italic;
}


@media (max-width: 768px) {
    .canvas-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-lg);
    }
    
    .canvas-colors {
        justify-content: center;
        order: 1;
    }
    
    .canvas-tools {
        flex-direction: column;
        gap: var(--space-md);
        width: 100%;
        order: 2;
    }
    
    .canvas-brush-size {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--space-sm);
        width: 100%;
    }
    
    .canvas-slider {
        width: 150px;
        flex-shrink: 0;
    }
    
    .canvas-name-input {
        display: flex;
        justify-content: center;
        width: 100%;
    }
    
    .canvas-name {
        width: 100%;
        max-width: 200px;
    }
    
    .drawing-canvas {
        max-width: 320px;
    }
    
    .canvas-btn {
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .canvas-container {
        padding: var(--space-sm);
    }
    
    .canvas-toolbar {
        gap: var(--space-md);
    }
    
    .canvas-colors {
        gap: var(--space-xs);
        justify-content: center;
        overflow-x: visible;
        overflow-y: visible;
        padding: var(--space-sm) var(--space-xs);
        flex-wrap: wrap;
    }
    
    .canvas-colors::-webkit-scrollbar {
        height: 4px;
    }
    
    .canvas-colors::-webkit-scrollbar-track {
        background: transparent;
    }
    
    .canvas-colors::-webkit-scrollbar-thumb {
        background: rgba(var(--color-cream-rgb), 0.3);
        border-radius: 2px;
    }
    
    .drawing-canvas {
        max-width: 100%;
    }
    
    .canvas-color {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
    }
    
    .canvas-tools {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-sm);
        width: 100%;
    }
    
    .canvas-brush-size {
        grid-column: 1 / -1;
        justify-content: center;
    }
    
    .canvas-slider {
        width: 100px;
    }
    
    .canvas-btn {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--text-xs);
        justify-content: center;
        min-height: 36px;
    }
    
    .canvas-btn--undo,
    .canvas-btn--redo {
        grid-column: auto;
    }
    
    .canvas-btn--clear {
        grid-column: 1;
    }
    
    .canvas-name-input {
        grid-column: 2;
        display: flex;
    }
    
    .canvas-name {
        width: 100%;
        max-width: none;
        font-size: var(--text-xs);
    }
    
    .canvas-btn--save {
        grid-column: 1 / -1;
    }
}

/* Visually hidden helper */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}