/* ============================================================
   户籍管理系统 - 全局样式
   高端白色简约设计 + 玻璃拟态(Glassmorphism)
   ============================================================ */

/* CSS变量 */
:root {
    --primary: #1a56db;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0891b2;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --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 -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.3);
    --blur: 20px;
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 用户端单独加上渐变背景 */
.user-theme body::before {
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(120, 200, 255, 0.1) 0%, transparent 50%);
    animation: bgMove 20s ease-in-out infinite alternate;
}

.user-theme body {
    background: linear-gradient(135deg, #e8eaf6 0%, #ede7f6 50%, #e3f2fd 100%);
    background-attachment: fixed;
}


a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

/* ====== 玻璃卡片 ====== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.4);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255,255,255,0.5);
    padding: 32px;
    transition: var(--transition);
}

.glass-card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255,255,255,0.6);
    transform: translateY(-2px);
}

.glass-card-flat {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.4);
    padding: 24px;
}

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

.auth-box {
    width: 100%;
    max-width: 440px;
    padding: 48px 40px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 36px;
}

.auth-logo .shield {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #fff;
    box-shadow: 0 8px 24px rgba(26, 86, 219, 0.3);
    margin-bottom: 16px;
}

.auth-logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.5px;
}

.auth-logo p {
    color: var(--gray-500);
    font-size: 14px;
    margin-top: 4px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    font-size: 15px;
    color: var(--gray-800);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background: #fff;
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

/* 验证码行 */
.captcha-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.captcha-row .form-control {
    flex: 1;
}

.captcha-row img {
    height: 44px;
    border-radius: 8px;
    cursor: pointer;
    border: 1.5px solid var(--gray-200);
    transition: var(--transition);
}

.captcha-row img:hover {
    border-color: var(--primary-light);
}

/* ====== 按钮 ====== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(26, 86, 219, 0.4);
    color: #fff;
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #10b981);
    color: #fff;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

.btn-success:hover { transform: translateY(-1px); color: #fff; }

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #ef4444);
    color: #fff;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.btn-danger:hover { transform: translateY(-1px); color: #fff; }

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #f59e0b);
    color: #fff;
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

.btn-warning:hover { transform: translateY(-1px); color: #fff; }

.btn-info {
    background: linear-gradient(135deg, var(--info), #06b6d4);
    color: #fff;
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

.btn-info:hover { transform: translateY(-1px); color: #fff; }

.btn-outline {
    background: rgba(255,255,255,0.6);
    color: var(--gray-700);
    border: 1.5px solid var(--gray-200);
}

.btn-outline:hover {
    background: #fff;
    border-color: var(--primary-light);
    color: var(--primary);
}

.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* ====== 导航栏 ====== */
.navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-sm);
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
}

.navbar .brand .icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
}

.navbar .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.navbar .nav-links a {
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.navbar .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--gray-600);
}

.navbar .user-info .avatar {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

/* ====== 主内容区 ====== */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
}

.page-header p {
    color: var(--gray-500);
    font-size: 14px;
    margin-top: 4px;
}

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

.stat-card {
    padding: 24px;
}

.stat-card .stat-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}

.stat-card .stat-icon.blue { background: rgba(59, 130, 246, 0.1); color: var(--primary-light); }
.stat-card .stat-icon.green { background: rgba(5, 150, 105, 0.1); color: var(--success); }
.stat-card .stat-icon.yellow { background: rgba(217, 119, 6, 0.1); color: var(--warning); }
.stat-card .stat-icon.red { background: rgba(220, 38, 38, 0.1); color: var(--danger); }
.stat-card .stat-icon.cyan { background: rgba(8, 145, 178, 0.1); color: var(--info); }

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* ====== 数据表格 ====== */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table thead th {
    background: rgba(249, 250, 251, 0.9);
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
    font-size: 13px;
}

.data-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    color: var(--gray-700);
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.04);
}

/* ====== 状态标签 ====== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success { background: rgba(5, 150, 105, 0.1); color: var(--success); }
.badge-warning { background: rgba(217, 119, 6, 0.1); color: var(--warning); }
.badge-danger { background: rgba(220, 38, 38, 0.1); color: var(--danger); }
.badge-info { background: rgba(8, 145, 178, 0.1); color: var(--info); }
.badge-primary { background: rgba(59, 130, 246, 0.1); color: var(--primary-light); }
.badge-gray { background: rgba(107, 114, 128, 0.1); color: var(--gray-500); }

/* ====== 分页 ====== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 20px 0;
}

.pagination a,
.pagination span {
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    text-decoration: none;
}

.pagination a {
    color: var(--gray-600);
    background: rgba(255, 255, 255, 0.6);
}

.pagination a:hover {
    background: var(--primary-light);
    color: #fff;
}

.pagination .active {
    background: var(--primary);
    color: #fff;
}

.pagination .disabled {
    color: var(--gray-400);
    cursor: not-allowed;
}

/* ====== 搜索/工具栏 ====== */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
}

.toolbar .search-box {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.toolbar .search-box input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    transition: var(--transition);
    outline: none;
}

.toolbar .search-box input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.toolbar .search-box::before {
    content: '🔍';
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
}

.toolbar select {
    padding: 10px 36px 10px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.8);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    outline: none;
    transition: var(--transition);
}

.toolbar select:focus {
    border-color: var(--primary-light);
}

/* ====== 提示消息 ====== */
.alert {
    padding: 14px 20px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: rgba(5, 150, 105, 0.1); color: var(--success); border: 1px solid rgba(5, 150, 105, 0.2); }
.alert-danger { background: rgba(220, 38, 38, 0.1); color: var(--danger); border: 1px solid rgba(220, 38, 38, 0.2); }
.alert-warning { background: rgba(217, 119, 6, 0.1); color: var(--warning); border: 1px solid rgba(217, 119, 6, 0.2); }
.alert-info { background: rgba(8, 145, 178, 0.1); color: var(--info); border: 1px solid rgba(8, 145, 178, 0.2); }

/* ====== Toast通知 ====== */
.toast-container {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 14px 20px;
    box-shadow: var(--shadow-xl);
    min-width: 300px;
    animation: toastIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.toast.hide { animation: toastOut 0.3s ease forwards; }

@keyframes toastIn { from { opacity: 0; transform: translateX(100px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(100px); } }

/* ====== 模态框 ====== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.modal {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    padding: 32px;
    width: 100%;
    max-width: 520px;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-header h3 { font-size: 18px; font-weight: 600; color: var(--gray-900); }

.modal-close {
    width: 32px; height: 32px;
    border-radius: 8px;
    border: none;
    background: rgba(0,0,0,0.05);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover { background: rgba(0,0,0,0.1); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ====== 空状态 ====== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}

.empty-state .icon { font-size: 48px; margin-bottom: 16px; }
.empty-state p { font-size: 14px; }

/* ====== 用户端侧边栏布局 ====== */
.user-layout {
    display: flex;
    min-height: calc(100vh - 64px);
}

.user-sidebar {
    width: 260px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.3);
    padding: 24px 16px;
    flex-shrink: 0;
}

.user-sidebar .menu-group {
    margin-bottom: 24px;
}

.user-sidebar .menu-group-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 12px;
    margin-bottom: 8px;
}

.user-sidebar .menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.user-sidebar .menu-item:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--primary);
}

.user-sidebar .menu-item.active {
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary);
    font-weight: 600;
}

.user-sidebar .menu-item .menu-icon {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.user-page-content {
    flex: 1;
    padding: 24px 32px;
    max-width: 960px;
}

/* ====== 管理员侧边栏 ====== */
.admin-layout {
    display: flex;
    min-height: calc(100vh - 64px);
}

.admin-sidebar {
    width: 280px;
    background: #ffffff;
    border-right: 1px solid var(--gray-200);
    padding: 16px 12px;
    overflow-y: auto;
    flex-shrink: 0;
}


.admin-sidebar .menu-group { margin-bottom: 8px; }

.admin-sidebar .menu-group-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-400);
    letter-spacing: 1px;
    padding: 12px 12px 6px;
}

.admin-sidebar .menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--gray-600);
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
}

.admin-sidebar .menu-item:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--primary);
}

.admin-sidebar .menu-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.25);
}

.admin-sidebar .menu-item .menu-icon {
    width: 20px;
    text-align: center;
    font-size: 15px;
}

.admin-page-content {
    flex: 1;
    padding: 24px 32px;
    overflow-y: auto;
}

/* ====== 选项卡 ====== */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 24px;
}

.tab-link {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    text-decoration: none;
    transition: var(--transition);
}

.tab-link:hover { color: var(--gray-700); }
.tab-link.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ====== 图片预览 ====== */
.photo-preview {
    width: 100px;
    height: 126px;
    border-radius: 8px;
    object-fit: cover;
    border: 2px solid var(--gray-200);
}

.photo-preview-lg {
    width: 200px;
    height: 252px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid var(--gray-200);
}

/* ====== 排行榜 ====== */
.rank-list { list-style: none; }

.rank-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(229, 231, 235, 0.4);
    transition: var(--transition);
}

.rank-item:hover { background: rgba(59, 130, 246, 0.04); }

.rank-number {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    background: var(--gray-100);
    color: var(--gray-500);
    flex-shrink: 0;
}

.rank-item:nth-child(1) .rank-number { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #fff; }
.rank-item:nth-child(2) .rank-number { background: linear-gradient(135deg, #9ca3af, #6b7280); color: #fff; }
.rank-item:nth-child(3) .rank-number { background: linear-gradient(135deg, #d97706, #b45309); color: #fff; }

.rank-name { font-weight: 600; color: var(--gray-800); }
.rank-count { font-size: 13px; color: var(--gray-500); margin-left: auto; }

/* ====== 图表区域 ====== */
.chart-container {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-md);
}

/* ====== 文件上传 ====== */
.file-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(255,255,255,0.5);
}

.file-upload:hover {
    border-color: var(--primary-light);
    background: rgba(59, 130, 246, 0.04);
}

.file-upload .icon { font-size: 32px; margin-bottom: 8px; }
.file-upload p { font-size: 14px; color: var(--gray-500); }

/* ====== 响应式 ====== */
@media (max-width: 768px) {
    .user-layout, .admin-layout { flex-direction: column; }
    .user-sidebar, .admin-sidebar { width: 100%; }
    .form-row { flex-direction: column; gap: 0; }
    .toolbar { flex-direction: column; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .navbar { padding: 0 16px; }
    .main-content, .user-page-content, .admin-page-content { padding: 16px; }
    .auth-box { padding: 32px 24px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}

/* ====== 加载动画 ====== */
.spinner {
    width: 24px; height: 24px;
    border: 3px solid rgba(59, 130, 246, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

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

/* ====== 工具类 ====== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-primary { color: var(--primary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.gap-2 { gap: 16px; }
.flex-1 { flex: 1; }
.hidden { display: none !important; }

/* 滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.25); }

/* 用户端特殊配色 */
.user-theme body {
    background: linear-gradient(135deg, #e0e7ff 0%, #ede9fe 100%);
}

/* ====== 管理端特殊配色 ====== */
.admin-theme body {
    background: #ffffff;
}
/* ========== 强制管理端全白 ========== */
.admin-theme,
.admin-theme .glass,
.admin-theme .glass-card,
.admin-theme .glass-card-flat,
.admin-theme .navbar,
.admin-theme .admin-sidebar,
.admin-theme .stat-card,
.admin-theme .table-wrapper,
.admin-theme .toolbar,
.admin-theme .modal,
.admin-theme .chart-container {
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-color: var(--gray-200) !important;
}
/* ========== 全站强制白底 ========== */
.glass,
.glass-card,
.glass-card-flat,
.navbar,
.admin-sidebar,
.user-sidebar,
.stat-card,
.table-wrapper,
.toolbar,
.modal,
.chart-container {
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--gray-200) !important;
    box-shadow: var(--shadow-sm) !important;
}

.glass-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md) !important;
}