/* 现代化下拉框样式优化 */

/* 基础下拉框容器 */
.custom-select {
    position: relative;
    display: inline-block;
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 下拉框主体样式 */
.custom-select select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    color: #2c3e50;
    background: #ffffff;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 悬停状态 */
.custom-select select:hover {
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
    transform: translateY(-1px);
}

/* 焦点状态 */
.custom-select select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 自定义下拉箭头 */
.custom-select::after {
    content: '';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid #6c757d;
    pointer-events: none;
    transition: transform 0.2s ease;
}

/* 悬停时箭头旋转 */
.custom-select:hover::after {
    transform: translateY(-50%) rotate(180deg);
    border-top-color: #667eea;
}

/* 选项样式优化 */
.custom-select select option {
    background: #ffffff;
    color: #2c3e50;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 400;
    border: none;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

/* 选项悬停效果 */
.custom-select select option:hover {
    background: #f8f9fa;
}

/* 选项选中效果 */
.custom-select select option:checked {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1976d2;
    font-weight: 500;
}

/* 市场选择下拉框 - 浅蓝色主题 */
.market-select select {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1976d2;
    border-color: #90caf9;
    box-shadow: 0 4px 15px rgba(25, 118, 210, 0.15);
}

.market-select select:hover {
    background: linear-gradient(135deg, #bbdefb 0%, #90caf9 100%);
    box-shadow: 0 6px 20px rgba(25, 118, 210, 0.25);
}

.market-select select:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.market-select::after {
    border-top-color: #1976d2;
}

.market-select:hover::after {
    border-top-color: #1565c0;
}

/* 分析类型下拉框 - 浅紫色主题 */
.analysis-type-select select {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
    color: #7b1fa2;
    border-color: #ce93d8;
    box-shadow: 0 4px 15px rgba(123, 31, 162, 0.15);
}

.analysis-type-select select:hover {
    background: linear-gradient(135deg, #e1bee7 0%, #ce93d8 100%);
    box-shadow: 0 6px 20px rgba(123, 31, 162, 0.25);
}

.analysis-type-select::after {
    border-top-color: #7b1fa2;
}

/* AI模型下拉框 - 浅粉色主题 */
.ai-model-select select {
    background: linear-gradient(135deg, #fce4ec 0%, #f8bbd9 100%);
    color: #c2185b;
    border-color: #f48fb1;
    box-shadow: 0 4px 15px rgba(194, 24, 91, 0.15);
}

.ai-model-select select:hover {
    background: linear-gradient(135deg, #f8bbd9 0%, #f48fb1 100%);
    box-shadow: 0 6px 20px rgba(194, 24, 91, 0.25);
}

.ai-model-select::after {
    border-top-color: #c2185b;
}

/* 筛选下拉框 - 浅色主题 */
.filter-select select {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: #475569;
    border-color: #e2e8f0;
}

.filter-select select:hover {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-color: #cbd5e1;
}

.filter-select::after {
    border-top-color: #64748b;
}

/* 分页下拉框 - 小尺寸 */
.pagination-select {
    width: auto;
    min-width: 120px;
}

.pagination-select select {
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 8px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1976d2;
    border-color: #90caf9;
}

/* 玻璃效果下拉框 */
.glass-dropdown select {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #1e293b;
}

.glass-dropdown select:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* 状态样式 */
.custom-select.success select {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.custom-select.warning select {
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.custom-select.error select {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* 禁用状态 */
.custom-select select:disabled {
    background: #f8f9fa;
    color: #6c757d;
    cursor: not-allowed;
    opacity: 0.6;
}

.custom-select select:disabled:hover {
    transform: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .custom-select select {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    .custom-select::after {
        right: 14px;
    }
    
    .pagination-select {
        min-width: 100px;
    }
}

/* 动画效果 */
@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.custom-select {
    animation: dropdownSlideIn 0.2s ease-out;
}

/* 深色主题支持 - 改为明亮主题 */
@media (prefers-color-scheme: dark) {
    .custom-select select {
        background: #ffffff;
        color: #333333;
        border-color: #e0e0e0;
    }
    
    .custom-select select option {
        background: #ffffff;
        color: #333333;
    }
    
    .custom-select select option:hover {
        background: #f5f5f5;
    }
    
    .filter-select select {
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        color: #495057;
        border-color: #dee2e6;
    }
}

/* 图标下拉框增强 */
.icon-select {
    position: relative;
}

.icon-select::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    z-index: 1;
    opacity: 0.8;
}

.icon-select select {
    padding-left: 48px;
}

/* 特定图标样式 */
.icon-select.market::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z'/%3E%3C/svg%3E");
}

.icon-select.analysis::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M3 13h2v-2H3v2zm0 4h2v-2H3v2zm0-8h2V7H3v2zm4 4h14v-2H7v2zm0 4h14v-2H7v2zM7 7v2h14V7H7z'/%3E%3C/svg%3E");
}

.icon-select.ai::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z'/%3E%3C/svg%3E");
}

/* 微交互增强 */
.custom-select select:active {
    transform: translateY(0);
    transition: transform 0.1s ease;
}

/* 加载状态 */
.custom-select.loading select {
    background-image: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}