/* 颜色选取工具专用样式 */

/* 核心布局 */
.color-preview {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.color-display {
    width: 100%;
    height: 150px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed);
}

.color-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* 输入区域 */
.color-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.color-inputs .form-group input {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: var(--font-size-md);
}

/* 滑块区域 */
.color-sliders {
    margin-bottom: var(--spacing-lg);
}

.color-sliders .form-group {
    margin-bottom: var(--spacing-md);
}

.color-sliders label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--header-color);
}

/* 自定义滑块样式 */
.color-sliders input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.color-sliders input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.color-sliders input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

#redSlider::-webkit-slider-thumb { background: #ff4d4d; }
#greenSlider::-webkit-slider-thumb { background: #4dff4d; }
#blueSlider::-webkit-slider-thumb { background: #4d4dff; }

/* 调色板和预设 */
.color-palette, .saved-colors, .color-history, .common-colors {
    margin-bottom: var(--spacing-lg);
}

.color-palette h3, .saved-colors h3, .color-history h3, .common-colors h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    color: var(--header-color);
}

.preset-colors, .saved-colors-list, .color-history-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.preset-color, .saved-color {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--card-bg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
    position: relative;
    flex-shrink: 0;
}

.preset-color:hover, .saved-color:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
    z-index: 1;
}

/* 保存的颜色列表样式 */
.saved-colors-list, .color-history-list {
    min-height: 50px;
    padding: var(--spacing-sm);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
}

.saved-colors-list.empty, .color-history-list .no-colors {
    color: var(--description-color);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    font-size: var(--font-size-sm);
}

/* 删除按钮 */
.delete-color-btn {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 18px;
    height: 18px;
    background: var(--header-color);
    color: var(--card-bg);
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.saved-color:hover .delete-color-btn {
    opacity: 1;
}

/* 常用颜色网格 */
.common-colors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-sm);
    background: var(--bg-color);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.common-color-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.common-color-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.common-color {
    width: 30px;
    height: 30px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.common-color-info {
    flex: 1;
    min-width: 0;
}

.common-color-name {
    display: block;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-color);
    margin-bottom: 2px;
}

.common-color-value {
    display: block;
    font-family: 'Consolas', monospace;
    font-size: 12px;
    color: var(--description-color);
}

/* 颜色分析 */
.color-analysis {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.analysis-section {
    background: var(--bg-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.analysis-section h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--header-color);
    font-size: var(--font-size-md);
}

.analysis-section h4 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    color: var(--description-color);
    font-size: var(--font-size-sm);
}

.color-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--card-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.info-label {
    font-weight: 500;
    color: var(--description-color);
}

.info-value {
    font-family: 'Consolas', monospace;
    color: var(--text-color);
}

/* 对比度检查 */
.contrast-checker {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.contrast-preview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contrast-sample {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.contrast-ratios {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.ratio-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
    background: var(--card-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.ratio-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-color);
}

.contrast-level {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    margin-left: 8px;
}

.contrast-level.aaa { background: #d1ecf1; color: #0c5460; }
.contrast-level.aa { background: #d4edda; color: #155724; }
.contrast-level.fail { background: #f8d7da; color: #721c24; }

/* 配色方案 */
.color-schemes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.scheme-section {
    background: var(--card-bg);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.scheme-colors {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.scheme-color {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--card-bg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
}

.scheme-color:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* 图片取色器 */
.image-picker-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.file-upload-container {
    text-align: center;
}

.upload-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--description-color);
}

.image-preview-container {
    position: relative;
    max-width: 100%;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: crosshair;
}

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

.magnifier {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid #fff;
    border-radius: 50%;
    pointer-events: none;
    display: none;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    z-index: 10;
}

.picked-color-info {
    margin-top: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

.picked-color-preview {
    width: 30px;
    height: 30px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* 导出结果 */
.export-result {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: 'Consolas', monospace;
    font-size: var(--font-size-sm);
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    display: none;
    color: var(--text-color);
}

/* 响应式 */
@media (max-width: 768px) {
    .contrast-checker {
        grid-template-columns: 1fr;
    }
    
    .color-actions {
        flex-direction: column;
    }
    
    .color-actions button {
        width: 100%;
    }
}