/* Image Color Picker Tool Specific Styles */
.tool-container {
    max-width: 1200px;
    margin: 100px auto 0;
    padding: var(--space-xl);
}

.tool-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.tool-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Upload Section */
.upload-section {
    margin-bottom: var(--space-2xl);
}

.file-dropzone {
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: var(--bg-secondary);
}

.file-dropzone:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.file-dropzone.dragover {
    border-color: var(--accent-primary);
    background: var(--accent-primary);
    color: white;
}

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

.dropzone-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.file-types {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: var(--space-sm) 0;
}

.browse-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    font-weight: 600;
    cursor: pointer;
    margin-top: var(--space-md);
    pointer-events: all;
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-md);
}

.file-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.file-name {
    font-weight: 600;
    color: var(--text-primary);
}

.file-size {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.clear-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Workspace */
.workspace {
    margin-bottom: var(--space-2xl);
}

.workspace-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

/* Image Section */
.image-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.image-section h3 {
    margin-bottom: var(--space-lg);
    font-weight: 600;
}

.image-container {
    position: relative;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-lg);
    cursor: crosshair;
}

#imageCanvas {
    max-width: 100%;
    height: auto;
    display: block;
}

.cursor-crosshair {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 1px black;
    display: none;
}

.cursor-crosshair.active {
    display: block;
}

.image-controls {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.control-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.control-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.control-icon {
    font-size: 1.2rem;
}

/* Color Section */
.color-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.color-section h3 {
    margin-bottom: var(--space-lg);
    font-weight: 600;
}

.current-color {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid var(--border-light);
    margin-bottom: var(--space-xl);
}

.color-preview {
    width: 100%;
    height: 80px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--border-light);
}

.color-values {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.color-format {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.color-format label {
    font-weight: 600;
    min-width: 50px;
    color: var(--text-secondary);
}

.color-format input {
    flex: 1;
    padding: var(--space-sm);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: monospace;
    font-size: var(--text-sm);
}

.copy-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-xs);
    cursor: pointer;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: var(--accent-secondary);
}

/* Color History */
.color-history {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid var(--border-light);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.history-header h4 {
    margin: 0;
    font-weight: 600;
}

.clear-history {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--text-sm);
    text-decoration: underline;
}

.clear-history:hover {
    color: var(--accent-primary);
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: var(--space-sm);
}

.history-item {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: transform 0.2s ease;
    position: relative;
}

.history-item:hover {
    transform: scale(1.1);
}

.history-item::after {
    content: attr(data-hex);
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    display: none;
}

.history-item:hover::after {
    display: block;
}

/* Palettes Section */
.palettes-section {
    margin-bottom: var(--space-2xl);
}

.palettes-section h3 {
    margin-bottom: var(--space-xl);
    font-weight: 600;
}

.palette-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--border-light);
}

.palette-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.palette-header h4 {
    margin: 0;
    font-weight: 600;
}

.palette-info {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.palette-colors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--space-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.palette-color {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease;
    position: relative;
}

.palette-color:hover {
    transform: scale(1.05);
}

.palette-color::after {
    content: attr(data-hex);
    position: absolute;
    bottom: 5px;
    left: 5px;
    right: 5px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2px 4px;
    border-radius: 2px;
    font-size: var(--text-xs);
    text-align: center;
    display: none;
}

.palette-color:hover::after {
    display: block;
}

/* Export Section */
.export-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.export-section h3 {
    margin-bottom: var(--space-lg);
    font-weight: 600;
}

.export-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.export-btn {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.export-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.export-icon {
    font-size: 1.5rem;
}

/* Loading Section */
.loading-section {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Info Sections */
.info-section, .use-cases-section {
    margin-top: var(--space-2xl);
}

.info-section h3, .use-cases-section h3 {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.info-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.info-card .info-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto var(--space-md);
}

.info-card h4 {
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.5;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.use-case-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.use-case-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.use-case-card h4 {
    margin-bottom: var(--space-md);
    font-weight: 600;
    color: var(--accent-primary);
}

.use-case-card p {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tool-container {
        margin-top: 80px;
        padding: var(--space-md);
    }
    
    .tool-title {
        font-size: var(--text-2xl);
    }
    
    .image-controls {
        flex-direction: column;
    }
    
    .control-btn {
        justify-content: center;
    }
    
    .color-format {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .export-options {
        grid-template-columns: 1fr;
    }
    
    .info-grid, .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .palette-colors {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .history-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .file-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .clear-btn {
        align-self: flex-end;
    }
}