/* Car Configuration Selector Frontend Styles */

.car-config-selector-wrapper {
    margin: 20px 0;
    padding: 15px;
    background: #f9f9f9;
    border: 1px solid #e1e1e1;
    border-radius: 8px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    transition: all 0.3s ease;
}

.car-config-selector-wrapper:hover {
    border-color: #007cba;
    box-shadow: 0 2px 8px rgba(0, 124, 186, 0.1);
}

.car-config-selector-wrapper.loading {
    opacity: 0.7;
    pointer-events: none;
}

.car-config-selector-wrapper.current-product {
    background: #e7f3ff;
    border-color: #007cba;
}

.car-config-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: #333;
    line-height: 1.4;
}

.car-config-select {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23666" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 6px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.car-config-select:hover {
    border-color: #007cba;
    box-shadow: 0 0 0 1px rgba(0, 124, 186, 0.1);
}

.car-config-select:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1);
}

.car-config-select:disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed;
    opacity: 0.6;
}

.car-config-select option {
    padding: 8px 12px;
    font-size: 15px;
    line-height: 1.4;
    color: #333;
    background-color: #fff;
}

.car-config-select option:hover {
    background-color: #f0f8ff;
}

.car-config-select option:checked,
.car-config-select option:selected {
    background-color: #007cba;
    color: #fff;
    font-weight: 600;
}

.loading-text {
    display: inline-block;
    margin-left: 10px;
    font-size: 13px;
    color: #666;
    font-style: italic;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .car-config-selector-wrapper {
        margin: 15px 0;
        padding: 12px;
    }
    
    .car-config-select {
        font-size: 16px; /* 防止iOS缩放 */
        padding: 14px 16px;
    }
    
    .car-config-label {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .car-config-selector-wrapper {
        margin: 10px 0;
        padding: 10px;
        border-radius: 6px;
    }
    
    .car-config-select {
        padding: 12px 14px;
        font-size: 15px;
    }
}

/* 触摸设备优化 */
.touch-device .car-config-select {
    min-height: 44px; /* iOS推荐的最小触摸目标 */
    padding: 12px 16px;
}

.touch-device .car-config-selector-wrapper {
    padding: 16px;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .car-config-selector-wrapper {
        border-width: 2px;
        border-color: #000;
    }
    
    .car-config-select {
        border-width: 2px;
        border-color: #000;
    }
    
    .car-config-select:focus {
        box-shadow: 0 0 0 3px #000;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .car-config-selector-wrapper,
    .car-config-select,
    .loading-text {
        transition: none;
        animation: none;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .car-config-selector-wrapper {
        background: #2a2a2a;
        border-color: #444;
        color: #fff;
    }
    
    .car-config-selector-wrapper.current-product {
        background: #1a3a5c;
        border-color: #4a9eff;
    }
    
    .car-config-label {
        color: #fff;
    }
    
    .car-config-select {
        background-color: #333;
        color: #fff;
        border-color: #555;
        background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23ccc" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
    }
    
    .car-config-select:hover {
        border-color: #4a9eff;
    }
    
    .car-config-select:focus {
        border-color: #4a9eff;
        box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.2);
    }
    
    .car-config-select option {
        background-color: #333;
        color: #fff;
    }
    
    .car-config-select option:checked,
    .car-config-select option:selected {
        background-color: #4a9eff;
        color: #fff;
    }
    
    .loading-text {
        color: #ccc;
    }
}

/* 打印样式 */
@media print {
    .car-config-selector-wrapper {
        display: none;
    }
}

/* 自定义滚动条（仅Webkit） */
.car-config-select::-webkit-scrollbar {
    width: 8px;
}

.car-config-select::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.car-config-select::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.car-config-select::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* 错误状态 */
.car-config-selector-wrapper.error {
    border-color: #dc3545;
    background-color: #f8d7da;
}

.car-config-selector-wrapper.error .car-config-select {
    border-color: #dc3545;
}

/* 成功状态 */
.car-config-selector-wrapper.success {
    border-color: #28a745;
    background-color: #d4edda;
}

.car-config-selector-wrapper.success .car-config-select {
    border-color: #28a745;
}

/* 加载动画 */
.car-config-selector-wrapper.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 20px;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #007cba;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 相对定位以支持伪元素 */
.car-config-selector-wrapper.loading {
    position: relative;
}