/* 数据集页面专用样式 */

.filters-container {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label i {
    color: var(--primary-color);
}

.filter-select,
.filter-input {
    padding: 0.6rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    transition: var(--transition);
    background: white;
    color: var(--text-color);
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

.task-filter-dropdown {
    position: relative;
}

.task-filter-toggle {
    width: 100%;
    padding: 0.6rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    background: white;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
    text-align: left;
}

.task-filter-toggle:hover {
    border-color: var(--primary-color);
}

.task-filter-toggle.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

.task-filter-toggle i {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
    color: var(--text-light);
}

.task-filter-toggle.active i {
    transform: rotate(180deg);
}

.task-filter-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem;
}

.task-filter-dropdown-content.show {
    display: block;
}

.task-checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.task-checkbox-item:hover {
    background: var(--bg-light);
}

.task-checkbox-item input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}

.task-checkbox-item input[type="checkbox"]:checked + label {
    color: var(--primary-color);
    font-weight: 500;
}

.task-checkbox-item label {
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-color);
    margin: 0;
    flex: 1;
}

.reset-btn {
    padding: 0.6rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.reset-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.loading {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-light);
}

.loading i {
    font-size: 2rem;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: 1rem;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.error-message {
    text-align: center;
    padding: 3rem 0;
    color: #ef4444;
}

.error-text {
    margin-top: 1rem;
}

.table-info {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.table-info strong {
    color: var(--primary-color);
    font-weight: 600;
}

.table-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background: rgba(45, 80, 22, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(45, 80, 22, 0.2);
}

.table-hint span {
    color: var(--text-color);
}

.table-wrapper {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow-x: auto;
}

.datasets-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 1200px;
}

.datasets-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.datasets-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}

.datasets-table th:first-child {
    border-top-left-radius: 12px;
}

.datasets-table th:last-child {
    border-top-right-radius: 12px;
}

.datasets-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.datasets-table tbody tr:last-child {
    border-bottom: none;
}

.datasets-table td {
    padding: 1.2rem 1rem;
    vertical-align: top;
}

.dataset-name-cell {
    min-width: 300px;
    width: 28%;
}

.dataset-name {
    margin-bottom: 0.8rem;
}

.dataset-name-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.dataset-name-link:hover {
    color: var(--primary-color);
}

.dataset-name-link strong {
    font-size: 1.1rem;
    color: inherit;
}

.dataset-name-link .link-icon {
    font-size: 0.8rem;
    opacity: 0.6;
}

.dataset-name-link:hover .link-icon {
    opacity: 1;
    transform: translateX(2px);
}

.dataset-year {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: normal;
    margin-left: 0.5rem;
}

.dataset-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.meta-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.6rem;
    background: var(--bg-light);
    color: var(--text-light);
    border-radius: 15px;
    font-size: 0.8rem;
}

.meta-tag i {
    color: var(--primary-color);
    font-size: 0.75rem;
}

.dataset-links-cell {
    min-width: 250px;
    width: 22%;
}

.link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    margin: 0.2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: var(--transition);
}

.link-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.link-btn i {
    font-size: 0.8rem;
    color: white;
}

.no-link {
    color: var(--text-light);
    font-style: italic;
}

.dataset-info-cell {
    min-width: 300px;
    width: auto;
}

.info-row {
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.6;
}

.info-row:last-child {
    margin-bottom: 0;
}

.info-row i {
    color: var(--primary-color);
    margin-right: 0.5rem;
    width: 16px;
}

.info-row strong {
    color: var(--text-color);
    margin-right: 0.3rem;
}

.info-row.description {
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-style: italic;
}

.no-info {
    color: var(--text-light);
    font-style: italic;
}

.no-data {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
    font-style: italic;
}

@media (max-width: 768px) {
    .filters-container {
        grid-template-columns: 1fr;
    }
    .reset-btn {
        width: 100%;
        justify-content: center;
    }
    .table-wrapper {
        overflow-x: scroll;
    }
    .datasets-table {
        font-size: 0.85rem;
    }
    .datasets-table th,
    .datasets-table td {
        padding: 0.8rem 0.5rem;
    }
    .link-btn {
        display: block;
        margin: 0.3rem 0;
        text-align: center;
    }
}