/**
 * 会员管理系统 - 样式表
 * 响应式设计：支持手机、平板、电脑
 */

/* ==================== 基础样式 ==================== */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --secondary: #6b7280;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --light: #f3f4f6;
    --dark: #1f2937;
    --white: #ffffff;
    --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;
    
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --header-height: 60px;
    --footer-height: 50px;
    
    --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);
    
    --radius-sm: 4px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-800);
    background-color: var(--gray-100);
    min-height: 100vh;
}

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

a:hover {
    color: var(--primary-dark);
}

/* ==================== 工具类 ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }

.bg-primary { background-color: var(--primary); }
.bg-success { background-color: var(--success); }
.bg-danger { background-color: var(--danger); }
.bg-warning { background-color: var(--warning); }
.bg-info { background-color: var(--info); }

.hide-mobile { display: inline; }
.hide-desktop { display: none; }

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

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

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

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

.btn-success:hover {
    background-color: #059669;
    border-color: #059669;
    color: var(--white);
}

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

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
    color: var(--white);
}

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

.btn-info:hover {
    background-color: #2563eb;
    border-color: #2563eb;
    color: var(--white);
}

.btn-outline {
    background-color: transparent;
    color: var(--gray-600);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    background-color: var(--gray-100);
    color: var(--gray-800);
    border-color: var(--gray-400);
}

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

.form-group.required label::after {
    content: ' *';
    color: var(--danger);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background-color: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 40px;
}

.date-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.date-range input {
    flex: 1;
}

.date-range span {
    color: var(--gray-500);
    font-weight: 500;
}

/* ==================== 徽章样式 ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
    color: var(--white);
}

.badge-secondary { background-color: var(--gray-500); }
.badge-success { background-color: var(--success); }
.badge-danger { background-color: var(--danger); }
.badge-warning { background-color: var(--warning); color: var(--gray-900); }
.badge-info { background-color: var(--info); }

/* ==================== 提示框样式 ==================== */
.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    margin-bottom: 20px;
    border-radius: var(--radius);
    font-size: 14px;
}

.alert-danger {
    background-color: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #ecfdf5;
    color: var(--success);
    border: 1px solid #a7f3d0;
}

.alert-warning {
    background-color: #fffbeb;
    color: #d97706;
    border: 1px solid #fcd34d;
}

.alert-info {
    background-color: #eff6ff;
    color: var(--info);
    border: 1px solid #bfdbfe;
}

/* ==================== 登录页面 ==================== */
.login-page {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-box {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.login-logo i {
    font-size: 36px;
    color: var(--white);
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.login-form .form-group {
    position: relative;
    margin-bottom: 20px;
}

.login-form .form-group label {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    margin-bottom: 0;
}

.login-form .form-group input {
    padding-left: 44px;
    padding-right: 44px;
    height: 48px;
}

.toggle-password {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0;
}

.toggle-password:hover {
    color: var(--gray-600);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 13px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--gray-600);
}

.remember-me input {
    width: auto;
}

.forgot-password {
    color: var(--primary);
}

.forgot-password:hover {
    color: var(--primary-dark);
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
    font-size: 13px;
    color: var(--gray-500);
}

/* ==================== 头部样式 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-600);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background-color: var(--gray-100);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-800);
}

.logo i {
    color: var(--primary);
    font-size: 24px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.user-menu-toggle:hover {
    background-color: var(--gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background-color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 14px;
}

.user-name {
    font-weight: 500;
    color: var(--gray-700);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 240px;
    background-color: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.user-avatar-large {
    width: 48px;
    height: 48px;
    background-color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
}

.user-info .user-name {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 2px;
}

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

.user-dropdown-body,
.user-dropdown-footer {
    padding: 8px 0;
}

.user-dropdown-footer {
    border-top: 1px solid var(--gray-200);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--gray-700);
    font-size: 14px;
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--gray-800);
}

.dropdown-item.text-danger {
    color: var(--danger);
}

.dropdown-item.text-danger:hover {
    background-color: #fef2f2;
}

/* ==================== 侧边栏样式 ==================== */
.main-container {
    display: flex;
    min-height: 100vh;
    padding-top: var(--header-height);
}

.sidebar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background-color: var(--white);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    z-index: 900;
    transition: var(--transition);
}

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

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-600);
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-link:hover {
    background-color: var(--gray-100);
    color: var(--gray-800);
}

.nav-link.active {
    background-color: var(--primary);
    color: var(--white);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.nav-divider {
    height: 1px;
    background-color: var(--gray-200);
    margin: 16px 12px;
}

.sidebar-footer {
    padding: 16px;
    text-align: center;
    font-size: 12px;
    color: var(--gray-400);
    border-top: 1px solid var(--gray-200);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 899;
    opacity: 0;
    transition: var(--transition);
}

/* ==================== 主内容区域 ==================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px;
    min-height: calc(100vh - var(--header-height));
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
}

/* ==================== 统计卡片 ==================== */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background-color: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.stat-info p {
    font-size: 13px;
    color: var(--gray-500);
}

/* ==================== 搜索区域 ==================== */
.search-section {
    background-color: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.search-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
}

.search-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
}

.search-header h2 i {
    color: var(--primary);
    margin-right: 8px;
}

.search-body {
    padding: 20px;
    transition: var(--transition);
}

.search-body.collapsed {
    display: none;
}

.search-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.search-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

/* ==================== 数据表格 ==================== */
.data-section {
    background-color: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.data-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
    gap: 12px;
}

.data-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
}

.data-header h2 i {
    color: var(--primary);
    margin-right: 8px;
}

.data-actions {
    display: flex;
    gap: 10px;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.data-table th {
    background-color: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
}

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

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

.action-btns {
    display: flex;
    gap: 6px;
}

.action-btns .btn {
    padding: 6px 10px;
    font-size: 12px;
}

/* ==================== 分页 ==================== */
.pagination-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-top: 1px solid var(--gray-200);
    flex-wrap: wrap;
    gap: 12px;
}

.pagination-info {
    font-size: 13px;
    color: var(--gray-500);
}

.pagination {
    display: flex;
    gap: 4px;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    font-size: 13px;
    color: var(--gray-600);
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.page-link:hover {
    background-color: var(--gray-100);
    color: var(--gray-800);
}

.page-link.active {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.page-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    color: var(--gray-400);
}

.page-size-selector select {
    padding: 8px 32px 8px 12px;
    font-size: 13px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background-color: var(--white);
    cursor: pointer;
}

/* ==================== 表单页面 ==================== */
.form-section {
    background-color: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
}

.form-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
}

.form-section h3 i {
    color: var(--primary);
    margin-right: 8px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.form-grid .form-group.full-width {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    padding: 24px;
    background-color: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* ==================== 详情页面 ==================== */
.detail-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 24px;
}

.detail-left,
.detail-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.member-card {
    background-color: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.member-card-header {
    padding: 24px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 36px;
}

.member-basic h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.member-basic .badge {
    margin: 0 4px;
}

.member-card-body {
    padding: 20px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.info-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 13px;
}

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

.info-card {
    background-color: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.info-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 16px;
}

.info-card h3 i {
    color: var(--primary);
    margin-right: 8px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-item-label {
    font-size: 12px;
    color: var(--gray-500);
}

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

.session-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 16px;
}

.session-item {
    text-align: center;
}

.session-label {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.session-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
}

.session-value.used {
    color: var(--warning);
}

.session-value.remaining {
    color: var(--success);
}

.session-value.remaining.danger {
    color: var(--danger);
}

.progress-bar {
    height: 8px;
    background-color: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--warning));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-text {
    text-align: center;
    font-size: 12px;
    color: var(--gray-500);
}

.remark-content {
    color: var(--gray-700);
    line-height: 1.8;
    white-space: pre-wrap;
}

.record-count {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: normal;
}

.empty-records {
    text-align: center;
    padding: 40px;
    color: var(--gray-400);
}

.empty-records i {
    font-size: 48px;
    margin-bottom: 16px;
}

.records-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.record-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--gray-50);
    border-radius: var(--radius);
    flex-wrap: wrap;
    gap: 8px;
}

.record-main {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.record-type {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.record-type.type-上课 {
    background-color: #dbeafe;
    color: #1d4ed8;
}

.record-type.type-充值 {
    background-color: #d1fae5;
    color: #047857;
}

.record-type.type-消费 {
    background-color: #fee2e2;
    color: #b91c1c;
}

.record-type.type-退款 {
    background-color: #fef3c7;
    color: #b45309;
}

.record-type.type-其他 {
    background-color: #f3f4f6;
    color: #4b5563;
}

.record-date,
.record-teacher,
.record-game {
    font-size: 13px;
    color: var(--gray-600);
}

.record-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.record-session {
    font-weight: 600;
    font-size: 13px;
}

.record-session.plus {
    color: var(--success);
}

.record-session.minus {
    color: var(--danger);
}

.record-amount {
    font-weight: 600;
    color: var(--success);
}

.record-time {
    font-size: 12px;
    color: var(--gray-400);
}

/* ==================== 底部样式 ==================== */
.footer {
    margin-left: var(--sidebar-width);
    padding: 16px 24px;
    background-color: var(--white);
    border-top: 1px solid var(--gray-200);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--gray-500);
}

/* ==================== 响应式设计 ==================== */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .search-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机设备 (< 768px) */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
    
    .hide-desktop {
        display: inline !important;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-overlay.show {
        display: block;
        opacity: 1;
    }
    
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    
    .footer {
        margin-left: 0;
        padding: 12px 16px;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .stat-info h3 {
        font-size: 24px;
    }
    
    .search-grid {
        grid-template-columns: 1fr;
    }
    
    .date-range {
        flex-direction: column;
        align-items: stretch;
    }
    
    .date-range span {
        text-align: center;
    }
    
    .search-actions {
        flex-direction: column;
    }
    
    .search-actions .btn {
        width: 100%;
    }
    
    .data-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .data-actions {
        width: 100%;
    }
    
    .data-actions .btn {
        flex: 1;
    }
    
    .action-btns {
        flex-direction: column;
    }
    
    .action-btns .btn {
        width: 100%;
    }
    
    .pagination-wrapper {
        flex-direction: column;
        align-items: center;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .page-header > div {
        width: 100%;
    }
    
    .page-header .btn {
        width: 100%;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .record-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .record-meta {
        width: 100%;
        justify-content: space-between;
    }
    
    .login-box {
        padding: 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

/* 小屏手机 (< 480px) */
@media (max-width: 480px) {
    .header {
        padding: 0 12px;
    }
    
    .logo span {
        font-size: 14px;
    }
    
    .main-content {
        padding: 12px;
    }
    
    .form-section,
    .search-section,
    .data-section,
    .info-card,
    .member-card {
        border-radius: var(--radius-sm);
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .data-table {
        font-size: 12px;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }
}

/* 打印样式 */
@media print {
    .header,
    .sidebar,
    .sidebar-overlay,
    .footer,
    .search-section,
    .data-actions,
    .action-btns,
    .pagination-wrapper {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
        padding: 0;
    }
    
    .data-section {
        box-shadow: none;
    }
}