/* Color Palette Generator - Light Theme */

/* Hidden Utility Class */

/* Dark mode overrides */
[data-theme="dark"] {
    --tool-bg: #0f172a;
    --tool-border: #334155;
    --tool-border-hover: #475569;
    --tool-text: #f8fafc;
    --tool-text-secondary: #94a3b8;
    --tool-input-bg: #1e293b;
    --tool-input-border: #334155;
    --tool-button-bg: #1e293b;
    --tool-button-hover: #334155;
    --tool-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --tool-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --surface-color: #1e293b;
    --surface-hover: #334155;
    --background-color: #0f172a;
    --text-color: #f8fafc;
    --status-info: rgba(96, 165, 250, 0.2);
    --status-success: rgba(34, 197, 94, 0.2);
    --status-error: rgba(248, 113, 113, 0.2);
    --bg-color: #0f172a;
}

/* Dark mode element overrides */
[data-theme="dark"] .tool-card {
    background: var(--bg-card, #1e293b);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] .tool-hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--input-bg, #1e293b);
    color: var(--text-primary, #f8fafc);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted, #64748b);
}

[data-theme="dark"] .tab-btn.active {
    color: white;
}

[data-theme="dark"] label {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] p {
    color: var(--text-secondary, #cbd5e1);
}
.hidden {
    display: none !important;
}

/* Generation Panel */
.generation-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.generation-panel h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.generation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    align-items: start;
}

.generation-option h4 {
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
}

/* Color Input Group */
.color-input-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.color-input-group input[type="color"] {
    width: 60px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    background: none;
}

.color-input-group input[type="text"] {
    flex: 1;
    min-width: 100px;
}

/* Form Elements */
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.range-input {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.range-input input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.range-input input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: #3b82f6;
    border-radius: 50%;
    cursor: pointer;
}

.range-input input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #3b82f6;
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

.range-input span {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 20px;
    text-align: center;
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Image Extractor Panel */
.extractor-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.extractor-panel h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.image-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    margin-bottom: 1.5rem;
}

.image-upload-area:hover {
    border-color: #3b82f6;
    background: var(--color-blue-soft);
}

.image-upload-area.dragover {
    border-color: #3b82f6;
    background: var(--color-blue-soft);
}

.upload-content {
    pointer-events: none;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.upload-content p {
    margin: 0.5rem 0;
    color: var(--text-muted);
    font-size: 1rem;
}

.upload-hint {
    font-size: 0.875rem !important;
    color: var(--text-muted) !important;
}

.extraction-options {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.option-label input[type="range"] {
    width: 120px;
}

.option-label span:last-child {
    font-weight: 600;
    min-width: 20px;
}

/* Palette Container */
.palette-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.palette-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.palette-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.palette-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.palette-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.color-swatch {
    aspect-ratio: 1;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    overflow: hidden;
}

.color-swatch:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.color-swatch.selected {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.color-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: var(--bg-primary);
    padding: 0.75rem 0.5rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
}

.color-info-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.color-info-panel h4 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.color-details {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: start;
}

.color-preview {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.color-values {
    display: grid;
    gap: 1rem;
}

.color-value {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    gap: 1rem;
    align-items: center;
}

.color-value label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.color-value input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-family: monospace;
    font-size: 0.875rem;
}

.copy-btn {
    padding: 0.375rem 0.75rem;
    background: #3b82f6;
    color: var(--bg-primary);
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.copy-btn:hover {
    background: var(--primary-color);
}

/* Saved Palettes Panel */
.saved-palettes-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.saved-palettes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
    font-style: italic;
}

.saved-palette {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.saved-palette:hover {
    border-color: #3b82f6;
    background: var(--color-blue-soft);
}

.saved-palette-preview {
    display: flex;
    height: 40px;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.saved-palette-color {
    flex: 1;
}

.saved-palette-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.saved-palette-actions {
    display: flex;
    gap: 0.5rem;
}

.saved-palette-actions button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.saved-palette-actions button:hover {
    color: var(--text-secondary);
    background: var(--border-color);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: #3b82f6;
    color: var(--bg-primary);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* Hidden File Input */
.hidden-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    var(--bg-primary)-space: nowrap;
    border: 0;
}

/* Info Section */
.info-section {
    margin-top: 2rem;
}

.info-panel {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.info-panel h3 {
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.usage-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.step-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    background: #3b82f6;
    color: var(--bg-primary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
}

.step-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

.info-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    text-align: center;
    padding: 1rem;
}

.feature-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .generation-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1.5rem;
    }
    
    .palette-display {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .color-details {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .color-preview {
        justify-self: center;
    }
}

@media (max-width: 768px) {
    .generation-grid {
        grid-template-columns: 1fr;
    }
    
    .color-input-group {
        justify-content: center;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .extraction-options {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .palette-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .palette-actions {
        justify-content: center;
    }
    
    .color-value {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        text-align: center;
    }
    
    .usage-steps {
        grid-template-columns: 1fr;
    }
    
    .info-features {
        grid-template-columns: 1fr;
    }
    
    .saved-palettes-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .generation-panel,
    .extractor-panel,
    .palette-container,
    .color-info-panel,
    .saved-palettes-panel {
        padding: 1.5rem;
    }
    
    .palette-display {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 0.75rem;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
    }
}