/* ==========================================================================
   🎫 客服票口管理系统 - 现代�?UI 设计系统 v2.0
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

/* CSS 变量定义 */
:root {
    /* 🎨 主色�?- 优雅的紫蓝渐�?*/
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* 辅助色调 */
    --secondary-color: #f59e0b;
    --secondary-dark: #d97706;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* 👑 管理员主�?*/
    --admin-primary: #8b5cf6;
    --admin-dark: #7c3aed;
    --admin-gradient: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    
    /* 🎨 中性色�?*/
    --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;
    
    /* 🌈 背景�?*/
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #111827;
    --bg-overlay: rgba(17, 24, 39, 0.5);
    
    /* ✍️ 文本�?*/
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-white: #ffffff;
    
    /* 📏 边框和圆�?*/
    --border-color: #e5e7eb;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    --border-radius-full: 9999px;
    --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);
    
    /* 间距 */
    --spacing-xs: 0.25rem;  /* 4px */
    --spacing-sm: 0.5rem;   /* 8px */
    --spacing-md: 1rem;     /* 16px */
    --spacing-lg: 1.5rem;   /* 24px */
    --spacing-xl: 2rem;     /* 32px */
    --spacing-2xl: 2.5rem;  /* 40px */
    --spacing-3xl: 3rem;    /* 48px */
    
    /* 字体 */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', Consolas, 'Courier New', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* 动画 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   基础重置和全局样式
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: var(--border-color);
}

html {
    font-size: 16px;
    line-height: 1.5;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ==========================================================================
   布局系统
   ========================================================================== */

.main-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.sidebar-layout {
    display: flex;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1600px; /* 增加宽度以适应更宽的表�?*/
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.content-wrapper {
    flex: 1;
    padding: var(--spacing-2xl);
    margin: var(--spacing-lg);
    border-radius: var(--border-radius-xl);
}

/* ==========================================================================
   顶部导航�?
   ========================================================================== */

.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px) saturate(200%);
    border-bottom: 1px solid rgba(229, 229, 229, 0.6);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1600px; /* 增加宽度以匹�?.container */
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    padding: var(--spacing-sm) 0;
}

.navbar-brand:hover {
    color: var(--primary-color);
    transform: scale(1.05);
}

.navbar-brand .brand-icon {
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    transition: transform 0.3s ease;
}
.navbar-brand:hover .brand-icon {
    transform: rotate(-15deg);
}

.navbar-nav {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xs); /* Use gap for spacing */
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 10px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    gap: var(--spacing-sm);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 70%;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 999px;
    transition: transform 0.3s ease;
}

.nav-link:hover {
    color: #4f46e5;
    background: rgba(99, 102, 241, 0.06);
    transform: translateY(-1px);
}

.nav-link:hover::before,
.nav-link.active::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    font-weight: 600;
}

.nav-link .nav-icon {
    font-size: var(--font-size-lg);
    transition: transform 0.2s ease-in-out;
}

.nav-link:hover .nav-icon {
    transform: scale(1.1);
}

/* 用户菜单 */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    margin-right: var(--spacing-md);
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.user-menu-toggle:hover .user-avatar {
    transform: scale(1.1) rotate(10deg);
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-right: var(--spacing-md);
    text-align: left;
}

.user-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.user-menu-toggle i {
    transition: transform 0.3s ease;
}

.user-menu.active .user-menu-toggle i {
    transform: rotate(180deg);
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    width: 200px;
    padding: var(--spacing-sm);
    z-index: 1010;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.dropdown-icon {
    margin-right: var(--spacing-md);
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

/* ==========================================================================
   侧边�?(管理�?
   ========================================================================== */

.sidebar {
    width: 260px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.sidebar-brand .brand-icon {
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-2xl);
}

.sidebar-nav {
    padding: 0 var(--spacing-md);
    flex-grow: 1;
}

.sidebar-nav-section {
    margin-bottom: var(--spacing-xl);
}

.sidebar-nav-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

.sidebar-nav-item {
    margin-bottom: var(--spacing-xs);
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 12px;
    margin-bottom: 4px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.sidebar-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 4px;
    height: 60%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0 4px 4px 0;
    transition: all 0.3s ease;
}

.sidebar-nav-link:hover {
    background: rgba(99, 102, 241, 0.06);
    color: #4f46e5;
    transform: translateX(4px);
}

.sidebar-nav-link:hover::before {
    transform: translateY(-50%) scaleY(1);
}

.sidebar-nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    transform: translateX(4px);
}

.sidebar-nav-link.active::before {
    transform: translateY(-50%) scaleY(1);
}

.sidebar-nav-link.active .sidebar-nav-icon {
    color: white;
}

.sidebar-nav-icon {
    margin-right: var(--spacing-md);
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

.sidebar-nav-text {
    font-weight: 500;
}

/* ==========================================================================
   页面头部
   ========================================================================== */

.page-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    letter-spacing: -0.025em;
}

.page-title .title-icon {
    margin-right: var(--spacing-md);
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin: 0;
}

.page-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ==========================================================================
   卡片组件
   ========================================================================== */

.card {
    background: var(--bg-primary);
    border: 1px solid rgba(229, 229, 229, 0.8);
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.3);
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    background: transparent;
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
}

.card-title .card-icon {
    margin-right: var(--spacing-md);
    font-size: var(--font-size-xl);
    color: var(--primary-color);
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    background: var(--gray-50);
}

/* 特殊卡片样式 */
.card-primary {
    border-color: var(--primary-color);
}

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

.card-success {
    border-color: var(--success-color);
}

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

.card-warning {
    border-color: var(--warning-color);
}

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

.card-error {
    border-color: var(--error-color);
}

.card-error .card-header {
    background: var(--error-color);
    color: white;
}

/* ==========================================================================
   按钮组件
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    white-space: nowrap;
    vertical-align: middle;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.btn .btn-icon {
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-base);
}

/* 按钮尺寸 */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.45);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

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

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.btn-warning {
    background: var(--warning-color);
    color: var(--gray-900);
    border-color: var(--warning-color);
    box-shadow: var(--shadow);
}

.btn-warning:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.2);
}

.btn-error {
    background: var(--error-color);
    color: white;
    border-color: var(--error-color);
    box-shadow: var(--shadow);
}

.btn-error:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.2);
}

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

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

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    box-shadow: none;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

/* ==========================================================================
   表单组件
   ========================================================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9375rem;
    border: 1.5px solid #e5e5e5;
    border-radius: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.form-control:hover {
    border-color: #d4d4d4;
}

.form-control:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), 0 2px 4px rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.form-control:invalid {
    border-color: var(--error-color);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control[readonly] {
    background: var(--gray-100);
    cursor: not-allowed;
}

.form-control[disabled] {
    background: var(--gray-100);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* 表单控件尺寸 */
.form-control-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.form-control-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* 选择�?*/
.form-select {
    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 var(--spacing-md) center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: var(--spacing-3xl);
}

/* 文本�?*/
.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* 文件上传 */
.form-file {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.form-file input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.form-file-label {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gray-100);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.form-file:hover .form-file-label {
    background: var(--gray-200);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.form-file-icon {
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

/* ==========================================================================
   表格组件
   ========================================================================== */

.table-wrapper {
    overflow-x: auto;
    border: 1px solid rgba(229, 229, 229, 0.8);
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    background: var(--bg-primary);
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.9375rem;
}

.table th,
.table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid #f5f5f5;
    white-space: nowrap;
}

.table th {
    background: linear-gradient(to bottom, #fafafa, #f5f5f5);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table tbody tr {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.04);
    transform: translateX(2px);
}

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

/* 表格样式变体 */
.table-striped tbody tr:nth-child(even) {
    background: var(--gray-50);
}

.table-bordered {
    border: 1px solid var(--border-color);
}

.table-bordered th,
.table-bordered td {
    border-right: 1px solid var(--border-color);
}

.table-bordered th:last-child,
.table-bordered td:last-child {
    border-right: none;
}

/* 表格单元格对�?*/
.table .text-center {
    text-align: center;
}

.table .text-right {
    text-align: right;
}

/* 表格操作按钮 */
.table-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.table-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

/* ==========================================================================
   状态标�?
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1;
    border-radius: 999px;
    text-transform: capitalize;
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

.badge-secondary {
    background-color: var(--gray-200);
    color: var(--gray-600);
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-error {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e40af;
}

/* ==========================================================================
   警告和通知
   ========================================================================== */

.alert {
    padding: 16px 20px;
    border-radius: 12px;
    border-left: 4px solid;
    margin-bottom: 20px;
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.alert-primary {
    background-color: #eff6ff;
    border-left-color: var(--primary-color);
    color: var(--primary-dark);
}

.alert-success {
    background-color: #f0fdf4;
    border-left-color: var(--success-color);
    color: #14532d;
}

.alert-warning {
    background-color: #fffbeb;
    border-left-color: var(--warning-color);
    color: #78350f;
}

.alert-error {
    background-color: #fef2f2;
    border-left-color: var(--error-color);
    color: #991b1b;
}

.alert-info {
    background-color: #eff6ff;
    border-left-color: var(--info-color);
    color: #1e40af;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

/* ==========================================================================
   统计卡片
   ========================================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-primary);
    padding: 24px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(229, 229, 229, 0.8);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 20px;
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
}
.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ==========================================================================
   模态框
   ========================================================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

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

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.modal-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition-fast);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex-grow: 1;
}

.modal-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    background: var(--gray-50);
    flex-shrink: 0;
}

/* ==========================================================================
   搜索和过�?
   ========================================================================== */

.search-bar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    align-items: center;
}

.search-input {
    flex: 1;
    position: relative;
}

.search-input .form-control {
    padding-left: 2.75rem; /* Make space for the icon */
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-size-base);
    pointer-events: none;
}

.filter-select {
    min-width: 180px;
}

/* ==========================================================================
   空状�?
   ========================================================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    background-color: var(--gray-50);
    border-radius: var(--border-radius-lg);
    border: 1px dashed var(--border-color);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.empty-state-text {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto var(--spacing-lg) auto;
}

/* ==========================================================================
   响应式设�?
   ========================================================================== */

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .sidebar {
        width: 250px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar-layout {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .content-wrapper {
        margin: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .navbar-container {
        padding: 0 var(--spacing-md);
    }
    
    .page-title {
        font-size: var(--font-size-2xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .table-wrapper {
        font-size: var(--font-size-xs);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
    
    .page-actions {
        flex-direction: column;
    }
    
    .page-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .content-wrapper {
        margin: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    .navbar-brand {
        font-size: var(--font-size-lg);
    }
    
    .page-title {
        font-size: var(--font-size-xl);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
}

/* ==========================================================================
   工具�?
   ========================================================================== */

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-error { color: var(--error-color) !important; }

.font-bold { font-weight: 700 !important; }
.font-semibold { font-weight: 600 !important; }

.d-none { display: none !important; }
.d-flex { display: flex !important; }
.justify-between { justify-content: space-between !important; }
.align-center { align-items: center !important; }
.flex-1 { flex: 1 !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.w-100 { width: 100% !important; }

.border { border: 1px solid var(--border-color) !important; }
.rounded { border-radius: var(--border-radius) !important; }
.shadow { box-shadow: var(--shadow) !important; }

/* ==========================================================================
   自定义滚动条
   ========================================================================== */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #fafafa;
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #d4d4d4, #a3a3a3);
    border-radius: 6px;
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #a3a3a3, #737373);
}

* {
    scrollbar-width: thin;
    scrollbar-color: #a3a3a3 #fafafa;
}

.login-container, .register-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px) saturate(180%);
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.3);
    border: none;
    max-width: 460px;
    width: 100%;
}

.login-container::before, .register-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px 24px 0 0;
}

/* =================================== */
/*  Auth Page Styles (Login/Register)  */
/* =================================== */

.auth-body {
    font-family: var(--font-family-base);
    background: linear-gradient(135deg, #5b7cff 0%, #7c5cff 50%, #9d5cff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.auth-body::before {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    left: -200px;
    z-index: 1;
    animation: float 20s ease-in-out infinite;
}

.auth-body::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -150px;
    right: -150px;
    z-index: 1;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.05); }
}

.auth-container {
    background: #ffffff;
    backdrop-filter: blur(30px) saturate(180%);
    border: none;
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 2;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-container::before {
    display: none;
}

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

.auth-container .logo .logo-icon {
    font-size: 1.5rem;
    margin-right: 4px;
}

.auth-container .logo h1 {
    font-size: 1.375rem;
    color: #374151;
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.auth-container .logo p {
    color: #9ca3af;
    font-size: 0.875rem;
    margin-top: 8px;
    font-weight: 400;
}

.auth-container .form-group {
    margin-bottom: 24px;
}

.auth-container .form-group label {
    display: block;
    margin-bottom: 10px;
    color: #4b5563;
    font-weight: 500;
    font-size: 0.875rem;
}

.auth-container .form-group .input-wrapper {
    position: relative;
}

.auth-container .form-group input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
    background: #f3f4f6;
    color: #1f2937;
    box-shadow: none;
    box-sizing: border-box;
}

.auth-container .form-group input::placeholder {
    color: #9ca3af;
}

.auth-container .form-group input:focus {
    outline: none;
    background: #f9fafb;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.08);
}

.auth-btn {
    width: 100%;
    padding: 15px;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
    margin-top: 8px;
}

.auth-btn.login-btn {
    background: linear-gradient(135deg, #7c5cff 0%, #9d5cff 100%);
    position: relative;
    overflow: hidden;
}

.auth-btn.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s;
}

.auth-btn.login-btn:hover::before {
    left: 100%;
}

.auth-btn.register-btn {
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.auth-btn:active {
    transform: translateY(0);
}

.auth-link {
    text-align: center;
    margin-top: 28px;
    padding-top: 0;
    border-top: none;
}

.auth-link p {
    color: #9ca3af;
    font-size: 0.875rem;
}

.auth-link a {
    color: #7c5cff;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.auth-link a:hover {
    color: #6d4dff;
    text-decoration: underline;
}

.auth-container .error-message {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 20px;
    font-size: 0.875rem;
}

.auth-container .error-message p {
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 480px) {
    .auth-container {
        padding: var(--spacing-xl);
    }
}