/**
 * 股票自动补全组件样式
 * 作者: alfredroad
 * 日期: 2025-01-31
 */

/* 输入框样式 */
.stock-autocomplete {
    position: relative;
}

.stock-autocomplete input {
    width: 100%;
    padding-right: 2.5rem; /* 为图标留出空间 */
}

/* 输入框状态指示器 */
.stock-autocomplete::after {
    content: "🔍";
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 1rem;
    color: #6c757d;
    transition: color 0.15s ease;
}

.stock-autocomplete.loading::after {
    content: "⏳";
    animation: spin 1s linear infinite;
}

.stock-autocomplete.has-suggestions::after {
    color: #0d6efd;
}

/* 建议容器样式 */
.stock-autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #dee2e6;
    border-top: none;
    border-radius: 0 0 0.375rem 0.375rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    z-index: 1000;
    display: none;
    max-height: 250px;
    overflow-y: auto;
}

/* 建议项样式 */
.stock-autocomplete-item {
    padding: 0.75rem;
    cursor: pointer;
    border-bottom: 1px solid #f8f9fa;
    transition: all 0.15s ease;
    position: relative;
}

.stock-autocomplete-item:last-child {
    border-bottom: none;
    border-radius: 0 0 0.375rem 0.375rem;
}

.stock-autocomplete-item:hover,
.stock-autocomplete-item.highlighted {
    background-color: #f8f9fa;
}

.stock-autocomplete-item:active {
    background-color: #e9ecef;
}

/* 加载指示器样式 */
.stock-autocomplete-item.loading {
    color: #6c757d;
    font-style: italic;
    cursor: default;
    justify-content: center;
    text-align: center;
}

.stock-autocomplete-item.loading i {
    margin-right: 0.5rem;
    color: #007bff;
}

/* 建议项内容样式 */
.stock-autocomplete-item .stock-name {
    font-weight: 500;
    color: #212529;
    margin-bottom: 0.25rem;
}

.stock-autocomplete-item .stock-info {
    font-size: 0.875rem;
    color: #6c757d;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stock-autocomplete-item .stock-code {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background-color: #f8f9fa;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

.stock-autocomplete-item .stock-industry {
    color: #0d6efd;
    font-size: 0.75rem;
}

/* 无结果提示 */
.stock-autocomplete-no-results {
    padding: 1rem;
    text-align: center;
    color: #6c757d;
    font-style: italic;
}

/* 加载状态 */
.stock-autocomplete-loading {
    padding: 1rem;
    text-align: center;
    color: #6c757d;
}

.stock-autocomplete-loading::before {
    content: "搜索中...";
}

/* 响应式设计 */
@media (max-width: 768px) {
    .stock-autocomplete-suggestions {
        max-height: 200px;
    }
    
    .stock-autocomplete-item {
        padding: 0.5rem;
    }
    
    .stock-autocomplete-item .stock-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

/* 深色主题支持 */
@media (prefers-color-scheme: dark) {
    .stock-autocomplete-suggestions {
        background: #343a40;
        border-color: #495057;
        box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
    }
    
    .stock-autocomplete-item {
        border-bottom-color: #495057;
        color: #f8f9fa;
    }
    
    .stock-autocomplete-item:hover,
    .stock-autocomplete-item.highlighted {
        background-color: #495057;
    }
    
    .stock-autocomplete-item .stock-name {
        color: #f8f9fa;
    }
    
    .stock-autocomplete-item .stock-info {
        color: #adb5bd;
    }
    
    .stock-autocomplete-item .stock-code {
        background-color: #495057;
        color: #f8f9fa;
    }
    
    .stock-autocomplete-item .stock-industry {
        color: #0dcaf0;
    }
}

/* 动画效果 */
@keyframes spin {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(-0.5rem);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

.stock-autocomplete-suggestions {
    animation: fadeIn 0.15s ease-out;
}

/* 焦点样式 */
.stock-autocomplete input:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    outline: none;
}

/* 高对比度支持 */
@media (prefers-contrast: high) {
    .stock-autocomplete-suggestions {
        border-width: 2px;
    }
    
    .stock-autocomplete-item {
        border-bottom-width: 2px;
    }
    
    .stock-autocomplete-item:hover,
    .stock-autocomplete-item.highlighted {
        background-color: #000;
        color: #fff;
    }
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    .stock-autocomplete-item,
    .stock-autocomplete-suggestions {
        transition: none;
        animation: none;
    }
}

/* 自定义滚动条 */
.stock-autocomplete-suggestions::-webkit-scrollbar {
    width: 8px;
}

.stock-autocomplete-suggestions::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.stock-autocomplete-suggestions::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.stock-autocomplete-suggestions::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 键盘导航指示器 */
.stock-autocomplete-item.keyboard-selected {
    background-color: #e3f2fd;
    border-left: 3px solid #0d6efd;
}

/* 不同尺寸的变体 */
.stock-autocomplete.sm .stock-autocomplete-item {
    padding: 0.5rem;
    font-size: 0.875rem;
}

.stock-autocomplete.lg .stock-autocomplete-item {
    padding: 1rem;
    font-size: 1.125rem;
}

/* 成功状态 */
.stock-autocomplete.success input {
    border-color: #198754;
}

.stock-autocomplete.success::after {
    content: "✓";
    color: #198754;
}

/* 错误状态 */
.stock-autocomplete.error input {
    border-color: #dc3545;
}

.stock-autocomplete.error::after {
    content: "⚠";
    color: #dc3545;
}