/* 智能筛选页面样式 */

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    padding: 3rem 0 2rem;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.page-title i {
    color: var(--primary-color);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* 筛选区域 */
.screen-section {
    padding: 2rem 0 4rem;
    background: var(--bg-light);
}

.screen-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: stretch;
}

/* 筛选面板 */
.filter-panel {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    position: static;
    margin-bottom: 1rem;
    transition: box-shadow 0.3s;
}

.filter-panel:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.panel-header {
    padding: 1rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-header h3 i {
    color: var(--primary-color);
}

.btn-reset {
    padding: 0.5rem 1rem;
    background: #f5f5f5;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn-reset:hover {
    background: white;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

/* 筛选内容 */
.filter-content {
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 1.5rem;
    row-gap: 1rem;
}

.filter-group {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.filter-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.group-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    letter-spacing: 0.5px;
}

.group-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin-right: 0.625rem;
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.3);
}

.filter-item {
    margin-bottom: 0.75rem;
}

.filter-item:last-child {
    margin-bottom: 0;
}

.filter-item label {
    display: block;
    font-size: 0.875rem;
    color: #616161;
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.filter-select {
    width: 100%;
    padding: 0.75rem 0.875rem;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.9375rem;
    background: white;
    transition: all 0.3s;
    cursor: pointer;
}

.filter-select:hover {
    border-color: #bdbdbd;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 范围输入 */
.range-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.range-inputs input {
    width: 90px;
    padding: 0.5rem 0.5rem;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.9375rem;
    transition: all 0.3s;
    text-align: center;
}

.range-inputs input:hover {
    border-color: #bdbdbd;
}

.range-inputs input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.range-inputs span {
    font-size: 0.875rem;
    color: var(--text-light);
    flex-shrink: 0;
    min-width: 24px;
    text-align: center;
}

.range-inputs .unit {
    font-size: 0.875rem;
    color: var(--text-light);
    min-width: auto;
}

/* 筛选按钮 */
.filter-actions {
    margin-top: 1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* 结果面板 */
.result-panel {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    min-height: 500px;
}

/* 结果工具栏 */
.result-toolbar {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.result-count {
    font-size: 1rem;
    color: var(--text-color);
}

.result-count span {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.125rem;
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-controls label {
    font-size: 0.9375rem;
    color: var(--text-light);
}

.sort-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9375rem;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 加载状态 */
.loading-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.loading-state i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.loading-state p {
    font-size: 1.125rem;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

.empty-state p {
    font-size: 1.125rem;
}

/* 结果表格 */
.result-table {
    width: 100%;
    border-collapse: collapse;
}

.result-table thead {
    background: var(--bg-light);
}

.result-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.875rem;
    border-bottom: 2px solid var(--border-color);
}

.result-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9375rem;
}

.result-table tbody tr {
    transition: background-color 0.2s;
}

.result-table tbody tr:hover {
    background-color: var(--bg-light);
}

/* 股票代码 */
.result-code {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--primary-color);
}

/* 股票名称 */
.result-name {
    font-weight: 500;
    color: var(--text-color);
}

.stock-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* 行业标签 */
.result-industry {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-light);
    color: var(--text-color);
    border-radius: 4px;
    font-size: 0.875rem;
}

/* 数值高亮 */
.value-high {
    color: #f44336;
    font-weight: 600;
}

.value-medium {
    color: #ff9800;
    font-weight: 600;
}

.value-low {
    color: #4caf50;
    font-weight: 600;
}

/* 操作按钮 */
.action-btn {
    padding: 0.5rem 1rem;
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.page-btn {
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.page-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    font-size: 1rem;
    color: var(--text-color);
}

.page-info span {
    font-weight: 600;
    color: var(--primary-color);
}

/* 左侧筛选折叠样式 */
.filter-panel.collapsed .filter-content {
    display: none;
}

.filter-panel.collapsed .panel-header {
    border-bottom: none;
}

.panel-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-toggle-filter {
    padding: 0.5rem;
    background: #f5f5f5;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.btn-toggle-filter:hover {
    background: white;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-panel.collapsed .btn-toggle-filter i {
    transform: rotate(180deg);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .screen-layout {
        grid-template-columns: minmax(220px, 260px) 1fr;
        gap: 1.5rem;
    }

    .filter-panel {
        position: static;
        max-height: none;
    }

    .filter-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .screen-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .filter-content {
        grid-template-columns: 1fr;
    }

    .filter-panel {
        max-height: none;
    }

    .result-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .sort-controls {
        width: 100%;
        flex-wrap: wrap;
    }

    .sort-select {
        flex: 1;
    }

    .table-wrapper {
        overflow-x: auto;
    }

    .result-table {
        min-width: 800px;
    }

    .pagination {
        flex-direction: column;
        gap: 1rem;
    }

    .page-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.5rem;
    }

    .panel-header {
        padding: 1rem;
    }

    .filter-content {
        padding: 1rem;
    }

    .result-toolbar {
        padding: 1rem;
    }

    .result-table th,
    .result-table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.875rem;
    }
}