/**
 * 校园报修系统 - 主样式表
 * 美观优雅的现代化设计
 */

:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --secondary: #14b8a6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #0ea5e9 0%, #14b8a6 100%);
    min-height: 100vh;
}

/* 登录/注册页面 */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.auth-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 40px 30px;
    text-align: center;
    color: white;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-header p {
    opacity: 0.9;
    font-size: 14px;
}

.auth-body {
    padding: 30px;
}

.auth-tabs {
    display: flex;
    margin-bottom: 24px;
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 4px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-weight: 500;
    color: var(--gray-600);
}

.auth-tab.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 13px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    transition: var(--transition);
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    background: white;
    cursor: pointer;
}

.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

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

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

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* 主布局 */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 260px;
    background: white;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--gray-100);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.sidebar-logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-800);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
    margin-bottom: 4px;
}

.nav-item:hover {
    background: var(--gray-50);
    color: var(--gray-800);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--gray-100);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius);
    background: var(--gray-50);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: var(--gray-500);
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 24px;
    min-height: 100vh;
}

/* 页面头部 */
.page-header {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.page-subtitle {
    color: var(--gray-500);
    font-size: 14px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.primary {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.stat-label {
    color: var(--gray-500);
    font-size: 14px;
}

/* 卡片 */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
}

.card-body {
    padding: 24px;
}

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

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

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
}

.data-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-600);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

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

/* 状态标签 */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.status-pending::before {
    background: var(--warning);
}

.status-assigned {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.status-assigned::before {
    background: var(--info);
}

.status-processing {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
}

.status-processing::before {
    background: var(--primary);
}

.status-completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-completed::before {
    background: var(--success);
}

.status-cancelled {
    background: rgba(107, 114, 128, 0.1);
    color: var(--gray-500);
}

.status-cancelled::before {
    background: var(--gray-500);
}

/* 优先级 */
.priority-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
}

.priority-low {
    background: var(--gray-100);
    color: var(--gray-600);
}

.priority-normal {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.priority-high {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.priority-urgent {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* 分类选择 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.category-item:hover {
    border-color: var(--primary-light);
    background: rgba(14, 165, 233, 0.02);
}

.category-item.active {
    border-color: var(--primary);
    background: rgba(14, 165, 233, 0.05);
}

.category-item i {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 12px;
}

.category-item span {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

/* 报修单详情 */
.repair-detail {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
}

.repair-main {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 24px;
}

.repair-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.repair-info-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

.repair-info-item:last-child {
    border-bottom: none;
}

.repair-info-label {
    color: var(--gray-500);
    font-size: 14px;
}

.repair-info-value {
    font-weight: 500;
    color: var(--gray-800);
}

/* AI分析结果 */
.ai-analysis {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(20, 184, 166, 0.05) 100%);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-top: 20px;
}

.ai-analysis-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    color: var(--primary);
    font-weight: 600;
}

.ai-analysis-content {
    color: var(--gray-700);
    line-height: 1.8;
}

.ai-analysis-content h4 {
    font-size: 14px;
    color: var(--gray-800);
    margin: 16px 0 8px;
}

.ai-analysis-content p {
    margin-bottom: 8px;
}

/* 图片上传 */
.image-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.image-upload:hover {
    border-color: var(--primary);
    background: rgba(14, 165, 233, 0.02);
}

.image-upload i {
    font-size: 48px;
    color: var(--gray-400);
    margin-bottom: 16px;
}

.image-upload-text {
    color: var(--gray-600);
    font-size: 14px;
}

.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.image-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* 时间线 */
.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item {
    position: relative;
    padding-bottom: 24px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-time {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.timeline-content {
    color: var(--gray-700);
}

.timeline-title {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 4px;
}

/* 评分 */
.rating {
    display: flex;
    gap: 8px;
    font-size: 24px;
}

.rating-star {
    cursor: pointer;
    color: var(--gray-300);
    transition: var(--transition);
}

.rating-star.active,
.rating-star:hover {
    color: var(--warning);
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-400);
    cursor: pointer;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 60vh;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 消息提示 */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: white;
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--info);
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination-item {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: white;
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.pagination-item:hover {
    background: var(--gray-50);
}

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

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 搜索框 */
.search-box {
    position: relative;
}

.search-box input {
    padding-left: 40px;
    width: 280px;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

/* 筛选标签 */
.filter-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-tag {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.filter-tag:hover {
    background: var(--gray-200);
}

.filter-tag.active {
    background: var(--primary);
    color: white;
}

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

.empty-state-icon {
    font-size: 64px;
    color: var(--gray-300);
    margin-bottom: 16px;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.empty-state-desc {
    color: var(--gray-500);
    margin-bottom: 20px;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    transform: scale(1.05);
    background: var(--primary-dark);
}

/* 侧边栏遮罩层 */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* 侧边栏关闭按钮 */
.sidebar-close-btn {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: var(--gray-100);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--gray-600);
    font-size: 16px;
    transition: var(--transition);
}

.sidebar-close-btn:hover {
    background: var(--gray-200);
}

/* 响应式 */
@media (max-width: 1024px) {
    .repair-detail {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 100;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .main-content {
        margin-left: 0;
        padding: 24px 16px;
        padding-top: 80px;
        position: relative;
        z-index: 1;
    }
    
    .page-header {
        padding: 16px;
    }
    
    .page-title {
        font-size: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .category-item {
        padding: 16px;
    }
    
    .category-item i {
        font-size: 24px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .data-table {
        font-size: 12px;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }
    
    .btn {
        padding: 10px 18px;
        font-size: 13px;
    }
    
    .btn-lg {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .filter-tags {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 10px 12px;
    }
    
    .image-upload {
        padding: 24px;
    }
}

/* 打印样式 */
@media print {
    .sidebar,
    .btn,
    .modal-overlay {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
}