/* 后台管理页面样式 */

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.3rem;
}

.stat-info p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 管理面板 */
.admin-panel {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.panel-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-header h2 {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.panel-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-input,
.filter-select {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.3s;
}

.search-input {
    min-width: 250px;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.filter-select {
    cursor: pointer;
}

/* 表格 */
.table-container {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table thead {
    background: var(--bg-color);
}

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

.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

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

.post-title-cell {
    font-weight: 500;
    color: var(--secondary-color);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-published {
    background: #d4edda;
    color: #155724;
}

.status-draft {
    background: #fff3cd;
    color: #856404;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.4rem 0.8rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.action-btn-edit {
    background: var(--primary-color);
    color: white;
}

.action-btn-edit:hover {
    background: var(--primary-dark);
}

.action-btn-delete {
    background: var(--danger-color);
    color: white;
}

.action-btn-delete:hover {
    background: #c0392b;
}

.action-btn-view {
    background: var(--success-color);
    color: white;
}

.action-btn-view:hover {
    background: #229954;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: 2rem;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 12px;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-small {
    max-width: 500px;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.modal-close {
    width: 35px;
    height: 35px;
    border: none;
    background: var(--bg-color);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-size: 1.2rem;
    color: var(--text-light);
}

.modal-close:hover {
    background: var(--danger-color);
    color: white;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* 表单 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: all 0.3s;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.content-editor {
    font-family: 'Courier New', monospace;
    resize: vertical;
    min-height: 300px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .panel-header {
        flex-direction: column;
        align-items: stretch;
    }

    .panel-actions {
        flex-direction: column;
    }

    .search-input {
        min-width: 100%;
    }

    .admin-table {
        font-size: 0.85rem;
    }

    .admin-table th,
    .admin-table td {
        padding: 0.75rem 0.5rem;
    }

    .post-title-cell {
        max-width: 150px;
    }

    .action-buttons {
        flex-direction: column;
    }

    .modal {
        padding: 1rem;
    }

    .modal-content {
        max-height: 95vh;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .admin-table thead {
        display: none;
    }

    .admin-table tr {
        display: block;
        margin-bottom: 1rem;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        overflow: hidden;
    }

    .admin-table td {
        display: block;
        text-align: right;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .admin-table td:last-child {
        border-bottom: none;
    }

    .admin-table td::before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--secondary-color);
    }
}