/* AI周记系统 - 全局样式 */

:root {
    --primary: #667eea;
    --primary-dark: #5a6fd6;
    --success: #34c759;
    --warning: #ff9500;
    --danger: #ff3b30;
    --text: #1a1a2e;
    --text-secondary: #666;
    --text-light: #999;
    --bg: #f5f6f8;
    --white: #fff;
    --border: #f0f0f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 通用按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--border);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: #e0e0eb;
}

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

.btn-danger:hover {
    background: #e63429;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 卡片 */
.card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.card-body {
    padding: 20px;
}

/* 表单 */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s;
    background: #fafafa;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
}

.form-control::placeholder {
    color: #c7c7cc;
}

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

.table th,
.table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
    background: #fafafa;
}

.table td {
    font-size: 14px;
    color: var(--text);
}

.table tr:hover {
    background: #f8f9ff;
}

/* 状态徽章 */
.report-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.status-done {
    background: #e8f5e9;
    color: var(--success);
}

.status-pending {
    background: #fff3e0;
    color: var(--warning);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.modal-content {
    background: var(--white);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    padding: 16px 20px;
    background: #f8f9ff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

/* 加载状态 */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-light);
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-title {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.empty-desc {
    font-size: 14px;
    color: var(--text-light);
}

/* 错误状态 */
.error-state {
    text-align: center;
    padding: 40px;
    color: var(--danger);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination button {
    padding: 8px 14px;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.pagination button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination button.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Toast */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 9999;
}

.toast.show {
    opacity: 1;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

/* 响应式 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .table {
        font-size: 13px;
    }
    
    .table th,
    .table td {
        padding: 10px 12px;
    }
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* ==================== 后台管理端移动端适配 ==================== */
@media (max-width: 768px) {
    /* 后台整体布局 */
    .admin-wrapper {
        flex-direction: column !important;
    }
    
    /* 侧边栏 */
    .sidebar {
        position: fixed !important;
        top: 0 !important;
        left: -240px !important;
        width: 240px !important;
        height: 100vh !important;
        z-index: 1001 !important;
        transition: left 0.3s ease !important;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1) !important;
    }
    
    .sidebar.active {
        left: 0 !important;
    }
    
    /* 侧边栏头部 */
    .sidebar-header {
        padding: 16px !important;
    }
    
    .sidebar-header h2 {
        font-size: 16px !important;
    }
    
    /* 侧边栏导航 */
    .sidebar-nav {
        padding: 10px 0 !important;
    }
    
    .sidebar-nav .nav-item {
        padding: 12px 16px !important;
        font-size: 14px !important;
        display: flex !important;
        align-items: center !important;
        gap: 10px !important;
    }
    
    /* 侧边栏底部 */
    .sidebar-footer {
        padding: 16px !important;
    }
    
    /* 主内容区 */
    .main-content {
        margin-left: 0 !important;
        min-height: 100vh !important;
        padding: 12px !important;
    }
    
    /* 移动端顶部工具栏 */
    .mobile-toolbar {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 12px 16px !important;
        background: linear-gradient(135deg, #667eea, #764ba2) !important;
        color: #fff !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 100 !important;
    }
    
    /* 页面标题 */
    .page-header {
        padding: 16px !important;
        margin-bottom: 12px !important;
    }
    
    .page-header h1 {
        font-size: 18px !important;
    }
    
    /* 卡片 */
    .card {
        border-radius: 12px !important;
        margin-bottom: 12px !important;
    }
    
    .card-header {
        padding: 14px 16px !important;
    }
    
    .card-title {
        font-size: 14px !important;
    }
    
    .card-body {
        padding: 16px !important;
    }
    
    /* 统计卡片 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    
    .stat-card {
        padding: 16px !important;
    }
    
    .stat-value {
        font-size: 24px !important;
    }
    
    .stat-label {
        font-size: 12px !important;
    }
    
    /* 表格 */
    .table-wrapper {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    .table {
        min-width: 600px !important;
        font-size: 13px !important;
    }
    
    .table th,
    .table td {
        padding: 10px 12px !important;
        white-space: nowrap !important;
    }
    
    /* 表单 */
    .form-group {
        margin-bottom: 14px !important;
    }
    
    .form-label {
        font-size: 13px !important;
        margin-bottom: 6px !important;
    }
    
    .form-control {
        padding: 12px !important;
        font-size: 15px !important;
    }
    
    /* 按钮 */
    .btn {
        padding: 10px 16px !important;
        font-size: 14px !important;
        border-radius: 8px !important;
    }
    
    .btn-group {
        display: flex !important;
        flex-direction: column !important;
        gap: 8px !important;
    }
    
    .btn-group .btn {
        width: 100% !important;
        justify-content: center !important;
    }
    
    /* 搜索栏 */
    .search-bar {
        flex-direction: column !important;
        gap: 10px !important;
    }
    
    .search-bar input {
        width: 100% !important;
    }
    
    .search-bar select {
        width: 100% !important;
    }
    
    /* 分页 */
    .pagination {
        flex-wrap: wrap !important;
        gap: 6px !important;
    }
    
    .pagination button {
        padding: 8px 12px !important;
        font-size: 13px !important;
    }
    
    /* 模态框 */
    .modal-content {
        width: 95% !important;
        max-width: none !important;
        margin: 10px !important;
        max-height: calc(100vh - 20px) !important;
        border-radius: 16px !important;
    }
    
    .modal-header {
        padding: 14px 16px !important;
    }
    
    .modal-header h3 {
        font-size: 15px !important;
    }
    
    .modal-body {
        padding: 16px !important;
    }
    
    /* 详情弹窗内容 */
    .detail-item {
        padding: 12px 0 !important;
    }
    
    .detail-label {
        font-size: 13px !important;
        margin-bottom: 4px !important;
    }
    
    .detail-content {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }
    
    /* Toast提示 */
    .toast {
        left: 10px !important;
        right: 10px !important;
        top: 20px !important;
        text-align: center !important;
    }
    
    /* 批量操作区 */
    .card-body > div[style*="flex-wrap"] {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    
    .card-body > div[style*="flex-wrap"] input[type="date"] {
        width: 100% !important;
    }
    
    .card-body > div[style*="flex-wrap"] .btn {
        width: 100% !important;
        margin-top: 8px !important;
    }
    
    /* 用户列表操作按钮 */
    .action-btns {
        display: flex !important;
        flex-direction: column !important;
        gap: 6px !important;
    }
    
    .action-btns .btn {
        width: 100% !important;
        padding: 8px 12px !important;
        font-size: 12px !important;
    }
}

/* 超小屏幕进一步优化 */
@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr !important;
    }
    
    .stat-card {
        padding: 14px !important;
    }
    
    .stat-value {
        font-size: 20px !important;
    }
    
    .page-header h1 {
        font-size: 16px !important;
    }
    
    /* 快捷评语标签 */
    .quick-comment-tag {
        padding: 8px 12px !important;
        font-size: 13px !important;
    }
}

/* 移动端菜单遮罩 */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.sidebar-overlay.active {
    display: block;
}