/* ===================================
   Anthropic-inspired CSS变量系统 (深色模式)
   =================================== */
:root {
    /* Anthropic风格主色调 - 深色模式适配 */
    --primary-color: #D97706;
    --primary-hover: #B45309;
    --primary-light: #FED7AA;
    --secondary-color: #7C3AED;
    --accent-color: #EF4444;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    
    /* 深色背景色系 - Anthropic风格 */
    --background-primary: #0A0A0A;
    --background-secondary: #111111;
    --background-tertiary: #1A1A1A;
    --background-elevated: #222222;
    --background-card: #161616;
    --background-surface: #1E1E1E;
    
    /* 文字色系 - 高对比度 */
    --text-primary: #FAFAFA;
    --text-secondary: #E5E5E5;
    --text-tertiary: #A3A3A3;
    --text-quaternary: #737373;
    --text-muted: #525252;
    
    /* 边框和分割线 */
    --border-primary: #2A2A2A;
    --border-secondary: #404040;
    --border-accent: #525252;
    --separator-opaque: #2A2A2A;
    --separator-non-opaque: #FFFFFF0A;
    
    /* Anthropic风格阴影系统 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5), 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6), 0 10px 10px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(217, 119, 6, 0.3);
    
    /* 现代圆角系统 */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    
    /* 优化过渡效果 - 减少不必要动画 */
    --transition-fast: none;
    --transition-normal: none;
    --transition-slow: none;
    --transition-bounce: none;
    --btn-transition: none;
    
    /* 现代间距系统 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 80px;
    
    /* 布局尺寸 */
    --header-height: 80px;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 72px;
    
    /* 字体系统 */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, #5B21B6 100%);
    --gradient-surface: linear-gradient(135deg, var(--background-card) 0%, var(--background-elevated) 100%);
    --gradient-hero: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 50%, var(--background-tertiary) 100%);
}

/* ===================================
   Anthropic风格全局重置和基础样式
   =================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: auto;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--background-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeSpeed;
    display: flex;
    min-height: 100vh;
    overflow: hidden;
    letter-spacing: -0.01em;
    contain: layout style;
}

/* 现代滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--background-secondary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: 3px;
    transition: none;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-quaternary);
}

/* 选择文本样式 */
::selection {
    background: rgba(217, 119, 6, 0.2);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(217, 119, 6, 0.2);
    color: var(--text-primary);
}

/* 焦点样式 */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===================================
   Anthropic风格侧边栏样式
   =================================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--background-card);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    contain: layout style paint;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-header h2,
.sidebar.collapsed .user-details,
.sidebar.collapsed .nav-link span {
    display: none;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    min-width: 44px;
}

.sidebar.collapsed .nav-icon {
    margin-right: 0;
}

.sidebar-header {
    height: var(--header-height);
    padding: 0 var(--spacing-xl);
    border-bottom: 1px solid var(--border-primary);
    background: var(--gradient-surface);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
    position: relative;
}

.sidebar-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-xl);
    right: var(--spacing-xl);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.sidebar-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-xl) 0;
    overflow-y: auto;
    padding-bottom: calc(var(--spacing-xl) + 100px);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.sidebar-nav::-webkit-scrollbar {
    display: none;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0 var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar.collapsed .nav-menu {
    padding: 0 var(--spacing-sm);
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-tertiary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: 15px;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
    min-height: 44px;
    width: 100%;
    box-sizing: border-box;
    will-change: transform, background-color;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--primary-color);
    border-radius: 0 2px 2px 0;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(217, 119, 6, 0.08);
    border-color: rgba(217, 119, 6, 0.2);
}

.nav-link:hover::after {
    height: 20px;
}

.nav-link.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-hover);
    transform: translateX(2px);
}

.nav-link.active::after {
    height: 24px;
    background: rgba(255, 255, 255, 0.8);
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-md);
    fill: currentColor;
    flex-shrink: 0;
    transition: var(--transition-normal);
    opacity: 0.8;
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
    opacity: 1;

}

.nav-link span {
    transition: var(--transition-normal);
    white-space: nowrap;
    font-weight: 500;
    letter-spacing: -0.01em;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
    background: var(--gradient-surface);

    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* 侧边栏按钮基础样式 */
.login-btn, .logout-btn, .debug-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--btn-transition);
    text-decoration: none;
    min-height: 48px;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
    border: 1px solid transparent;
    width: 100%;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.login-btn::before, .logout-btn::before, .debug-login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: var(--transition-normal);
}

.login-btn:hover::before, .logout-btn:hover::before, .debug-login-btn:hover::before {
    left: 100%;
}

/* Discord Login 按钮 - 使用 btn-primary 样式 */
.login-btn {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-hover);
}

.login-btn:hover:not(:disabled) {

    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: var(--primary-light);
}

/* Logout 按钮 - 使用 btn-secondary 样式 */
.logout-btn {
    background: var(--background-surface);
    color: var(--text-primary);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-sm);
}

.logout-btn:hover:not(:disabled) {
    background: var(--background-elevated);
    border-color: var(--primary-color);

    box-shadow: var(--shadow-md);
    color: var(--primary-color);
}

/* Debug Login 按钮 - 使用 btn-danger 样式 */
.debug-login-btn {
    background: linear-gradient(135deg, var(--accent-color), #DC2626);
    color: white;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
    border-color: #DC2626;
}

.debug-login-btn:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(239, 68, 68, 0.4);
    border-color: #FCA5A5;
}



/* 文本样式 */
.login-btn span,
.logout-btn span,
.debug-login-btn span {
    transition: var(--transition-normal);
    white-space: nowrap;
    font-weight: 600;
    letter-spacing: -0.01em;
    text-align: center;
    width: 100%;
}

/* 折叠状态样式 */
.sidebar.collapsed .login-btn,
.sidebar.collapsed .logout-btn,
.sidebar.collapsed .debug-login-btn {
    padding: var(--spacing-md);
    min-width: 44px;
    justify-content: center;
}

.sidebar.collapsed .login-btn span,
.sidebar.collapsed .logout-btn span,
.sidebar.collapsed .debug-login-btn span {
    display: none;
}

/* ===================================
   Anthropic风格主内容区域
   =================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    background: var(--background-primary);
    height: 100vh;
    overflow: hidden;
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 999;
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    width: 48px;
    height: 48px;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: none;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn:hover {
    background: var(--primary-hover);

    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.mobile-menu-btn:active {

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.content-header {
    height: var(--header-height);
    background: var(--background-card);
    padding: 0 var(--spacing-3xl);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 200;
    justify-content: space-between;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.content-header .user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-left: auto;
    flex-shrink: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--background-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-primary);
    transition: var(--transition-normal);
}

.content-header .user-info:hover {
    background: var(--background-elevated);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-md);
}

.content-header .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
    border: 2px solid var(--background-card);
    transition: var(--transition-normal);
}

.content-header .user-info:hover .user-avatar {

    box-shadow: var(--shadow-glow);
}

.content-header .user-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
    gap: 4px;
}

.content-header .username {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.content-header .user-role {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
    line-height: 1.2;
}

#pageTitle {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin: 0;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-body {
    flex: 1;
    padding: var(--spacing-3xl);
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--background-primary);
    position: relative;
    contain: layout style;
    height: 0;
}

.content-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

/* ===================================
   通用组件样式
   =================================== */

/* Anthropic风格按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    justify-content: center;
    min-height: 48px;
    white-space: nowrap;
    position: relative;
    letter-spacing: -0.01em;
    border: 1px solid transparent;
}



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

.btn:disabled::before {
    display: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-hover);
}



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



.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
    border-color: #059669;
}



.btn-danger {
    background: linear-gradient(135deg, var(--accent-color), #DC2626);
    color: white;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
    border-color: #DC2626;
}



.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    min-height: 36px;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 16px;
    min-height: 52px;
}

/* Anthropic风格卡片样式 */
.card {
    background: var(--background-surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    position: relative;
}



.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-secondary);
    position: relative;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-body {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
    padding: 0;
}

.card-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-secondary);
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: flex-end;

}

/* Anthropic风格表单样式 */
.form-group {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
    letter-spacing: -0.01em;
    position: relative;
}

.form-label::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

.form-group:focus-within .form-label::after {
    width: 100%;
}

.form-control {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-xl);
    background: var(--background-surface);
    color: var(--text-primary);
    font-size: 15px;
    min-height: 52px;
    box-sizing: border-box;
    position: relative;
}

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

.form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--background-primary);
    transform: none;
}

.form-control::placeholder {
    color: var(--text-tertiary);
    opacity: 0.8;
    font-style: italic;
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
    font-family: var(--font-mono);
}

select.form-control {
    cursor: pointer;
    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='%23D97706' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 16px center;
    background-repeat: no-repeat;
    background-size: 18px;
    padding-right: 48px;
    appearance: none;
}

select.form-control:focus {
    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='%23F59E0B' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

/* Legacy form styles for backward compatibility */
.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--background-tertiary);
    border: 1px solid var(--separator-opaque);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
    background: var(--background-elevated);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23FFFFFF" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 12px;
    padding-right: calc(var(--spacing-lg) + 24px);
}

/* Anthropic风格表格样式 */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-primary);
    background: var(--background-surface);
    box-shadow: var(--shadow-md);
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.table-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.5;
}

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

.modern-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
    background: transparent;
    font-size: 15px;
    position: relative;
}

.modern-table th,
.modern-table td {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: left;
    border-bottom: 1px solid var(--border-secondary);
    vertical-align: middle;
    transition: var(--transition-fast);
}

.modern-table th {
    background: var(--background-elevated);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-color);
}

.modern-table th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.3;
}

.modern-table td {
    color: var(--text-secondary);
    font-weight: 500;
}

.modern-table tr {
    transition: var(--transition-fast);
}

.modern-table tr:hover {
    background: var(--background-elevated);
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

.modern-table tr:hover td {
    color: var(--text-primary);
}

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

.modern-table tbody tr:nth-child(even) {
    background: rgba(217, 119, 6, 0.02);
}

/* Anthropic风格模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* 当模态框显示时，隐藏移动菜单按钮 */
.modal.show ~ .mobile-menu-btn,
body:has(.modal.show) .mobile-menu-btn {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--background-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;

    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transform-origin: center;
}

.modal-header {
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--background-elevated);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.close:hover {
    color: var(--accent-color);
    background: var(--background-surface);
    transform: scale(1.1);
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.modal-close:hover {
    color: var(--accent-color);
    background: var(--background-surface);
    transform: scale(1.1);
}

.modal-body {
    padding: var(--spacing-2xl);
    background: var(--background-card);
}

.modal-footer {
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-top: 1px solid var(--border-primary);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    background: var(--background-elevated);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Anthropic风格状态样式 */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--separator-opaque);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ===================================
   简化动画效果 - 仅保留必要的加载动画
   =================================== */

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 移除所有动画工具类以提升性能 */

.status-online {
    color: var(--success-color);
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.status-offline {
    color: var(--text-tertiary);
    opacity: 0.7;
}

.status-error {
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.status-warning {
    color: #F59E0B;
    text-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

.status-info {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(217, 119, 6, 0.3);
}

.error {
    color: var(--accent-color);
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
}

.success {
    color: var(--success-color);
    background: rgba(48, 209, 88, 0.1);
    border: 1px solid rgba(48, 209, 88, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-tertiary);
}

.empty-state h3 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.empty-state p {
    margin: 0;
    font-size: 14px;
}

/* ===================================
   特定页面样式
   =================================== */

/* Anthropic风格用户头像 */
.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
    border: 2px solid var(--border-primary);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.user-avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition-normal);
    opacity: 0;
}

.user-avatar:hover {

    box-shadow: var(--shadow-glow);
    border-color: var(--primary-light);
}

.user-avatar:hover::before {
    opacity: 1;
    animation: shimmer 0.6s ease-out;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

/* Anthropic风格角色徽章 */
.role-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.role-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-fast);
}

.role-badge:hover::before {
    left: 100%;
}

.role-admin {
    background: linear-gradient(135deg, var(--accent-color), #DC2626);
    color: white;
    border-color: #FCA5A5;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

.role-mod {
    background: linear-gradient(135deg, #fd7e14, #e8590c);
    color: white;
    border-color: #fed7aa;
    box-shadow: 0 0 20px rgba(253, 126, 20, 0.3);
}

.role-tuner {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-light);
    box-shadow: var(--shadow-glow);
}

.role-newbie {
    background: var(--background-surface);
    color: var(--text-secondary);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-sm);
}

/* Anthropic风格Discord ID */
.discord-id {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-tertiary);
    background: var(--background-surface);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
    display: inline-block;
    backdrop-filter: blur(10px);
    transition: var(--transition-fast);
}

.discord-id:hover {
    background: var(--background-elevated);
    border-color: var(--primary-color);
    color: var(--text-secondary);

    box-shadow: var(--shadow-sm);
}

/* Anthropic风格Toast消息 */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    background: var(--background-surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    min-width: 320px;
    max-width: 420px;
    transform: translateX(120%) scale(0.9);
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.toast::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.7;
}

.toast.show {

}

.toast.success {
    border-left: 4px solid var(--success-color);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(16, 185, 129, 0.2);
    background: rgba(48, 209, 88, 0.1);
    color: var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--accent-color);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(239, 68, 68, 0.2);
    background: rgba(255, 59, 48, 0.1);
    color: var(--accent-color);
}

.toast.warning {
    border-left: 4px solid #F59E0B;
    box-shadow: var(--shadow-xl), 0 0 30px rgba(245, 158, 11, 0.2);
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
}

.toast.info {
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
}

.toast-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.toast-title {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 15px;
    margin: 0;
    letter-spacing: -0.01em;
}

.toast-close {
    background: var(--background-elevated);
    border: 1px solid var(--border-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
    padding: var(--spacing-xs);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.toast-close:hover {
    background: var(--background-surface);
    border-color: var(--primary-color);
    color: var(--primary-color);

}

.toast-body {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    font-weight: 500;
}

/* ===================================
   Anthropic风格滚动条样式
   =================================== */

/* Webkit 滚动条 */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--background-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    border: 2px solid var(--background-primary);
    transition: none;
    box-shadow: var(--shadow-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
    box-shadow: var(--shadow-md);
    transform: scale(1.1);
}

::-webkit-scrollbar-thumb:active {
    background: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

::-webkit-scrollbar-corner {
    background: var(--background-primary);
    border-radius: var(--radius-lg);
}

/* Firefox 滚动条 */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--background-primary);
}

/* 隐藏滚动条但保持功能 */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* ===================================
   Anthropic风格响应式设计
   =================================== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        z-index: 999;
        width: 280px;
        box-shadow: var(--shadow-2xl);
        transition: transform 0.3s ease;
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
        transition: var(--transition-normal);
    }
    
    .content-header {
        padding-left: 60px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hamburger {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text-primary);
        position: relative;
        transition: var(--transition-normal);
    }
    
    .hamburger::before,
    .hamburger::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 2px;
        background: var(--text-primary);
        transition: var(--transition-normal);
    }
    
    .hamburger::before {
        top: -6px;
    }
    
    .hamburger::after {
        bottom: -6px;
    }
    
    .mobile-menu-btn.active .hamburger {
        background: transparent;
    }
    
    .mobile-menu-btn.active .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }
    
    .mobile-menu-btn.active .hamburger::after {
        transform: rotate(-45deg);
        bottom: 0;
    }
    
    /* 确保移动端侧边栏切换按钮可见 */
    .sidebar-toggle.mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        cursor: pointer;
        padding: var(--spacing-sm);
        color: var(--text-secondary);
        transition: var(--transition-fast);
        width: 40px;
        height: 40px;
        border-radius: var(--radius-sm);
    }
    
    .sidebar-toggle.mobile-toggle:hover {
        color: var(--text-primary);
        background: var(--background-elevated);
    }
    
    /* 汉堡菜单图标样式 */
    .sidebar-toggle.mobile-toggle span {
        display: block;
        width: 18px;
        height: 2px;
        background: currentColor;
        margin: 3px 0;
        transition: var(--transition-fast);
        border-radius: 1px;
    }
    
    .sidebar-toggle.mobile-toggle span:first-child {
        margin-top: 0;
    }
    
    .sidebar-toggle.mobile-toggle span:last-child {
        margin-bottom: 0;
    }
    
    .content-header {
        padding: var(--spacing-lg);
    
    }
    
    .content-body {
        padding: var(--spacing-lg);
    }
    
    .modal-content {
        margin: var(--spacing-lg);
        width: calc(100% - 2 * var(--spacing-lg));
        border-radius: var(--radius-2xl);
    }
    
    .btn {
        min-height: 52px;
        font-size: 16px;
        padding: var(--spacing-lg) var(--spacing-2xl);
    }
    
    .form-control {
        min-height: 56px;
        font-size: 16px;
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .card {
        border-radius: var(--radius-xl);
        backdrop-filter: blur(30px);
    }
    
    #pageTitle {
        font-size: 20px;
    }
    
    .modern-table {
        font-size: 14px;
    }
    
    .modern-table th,
    .modern-table td {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
        padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 50px;
    }
    
    .user-info {
        order: -1;
        width: 100%;
        padding: var(--spacing-md);
        border-radius: var(--radius-xl);
    }
    
    #pageTitle {
        font-size: 24px;
        letter-spacing: -0.01em;
    }
    
    .card {
        padding: var(--spacing-xl);
        border-radius: var(--radius-xl);
    }
    
    .modal-content {
        margin: var(--spacing-md);
        width: calc(100% - 2 * var(--spacing-md));
        border-radius: var(--radius-xl);
    }
    
    .sidebar {
        width: 100vw;
        border-radius: 0;
    }
    
    .sidebar-footer {
        padding: var(--spacing-md);
    }
    
    .login-btn, .logout-btn, .debug-login-btn {
        font-size: 13px;
        padding: var(--spacing-md) var(--spacing-sm);
        min-height: 44px;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
        min-height: 40px;
    }
    
    .sidebar-header h2 {
        font-size: 18px;
    }
    
    .nav-menu {
        padding: 0 var(--spacing-md);
    }
    
    .toast {
        left: var(--spacing-md);
        right: var(--spacing-md);
        top: var(--spacing-md);
        min-width: auto;
        max-width: none;
        transform: translateY(-120%) scale(0.9);
    }
    
    .toast.show {
    
    }
    
    .content-header .user-details {
        display: none;
    }
    
    .content-body {
        padding: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
    }
    
    .mobile-menu-btn {
        width: 40px;
        height: 40px;
    }
}

/* ===================================
   首页欢迎屏幕 - 苹果风格
   =================================== */
.welcome-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height));
    padding: var(--spacing-xl);
    background: var(--background-primary);
}

.welcome-container {
    text-align: center;
    max-width: 400px;
    width: 100%;

}

.welcome-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xl) auto;
    background: var(--background-secondary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--separator-opaque);
}

.welcome-title {
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    letter-spacing: -0.5px;
}

.welcome-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-2xl) 0;
    font-weight: 400;
}

.welcome-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.welcome-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--btn-transition);
    min-width: 200px;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.welcome-btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.4);
}

.welcome-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(0, 122, 255, 0.3);
}

.welcome-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--separator-opaque);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 400;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 140px;
}

.welcome-btn-secondary:hover {
    background: var(--background-secondary);
    border-color: var(--text-tertiary);
    color: var(--text-primary);
}



/* 响应式优化 */
@media (max-width: 768px) {
    .welcome-container {
        max-width: 320px;
    }
    
    .welcome-title {
        font-size: 2rem;
    }
    
    .welcome-subtitle {
        font-size: 1rem;
    }
    
    .welcome-btn-primary {
        min-width: 180px;
        padding: 14px 28px;
    }
    
    .welcome-btn-secondary {
        min-width: 120px;
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .welcome-screen {
        padding: var(--spacing-md);
    }
    
    .welcome-container {
        max-width: 280px;
    }
    
    .welcome-icon {
        width: 64px;
        height: 64px;
        border-radius: 16px;
    }
    
    .welcome-title {
        font-size: 1.75rem;
    }
    
    .welcome-subtitle {
        font-size: 0.9375rem;
    }
    
    .welcome-btn-primary {
        min-width: 160px;
        padding: 12px 24px;
        font-size: 0.9375rem;
    }
    
    .welcome-btn-secondary {
        min-width: 100px;
        padding: 8px 16px;
        font-size: 0.8125rem;
    }
}

/* ===================================
   消息提示样式
   =================================== */
.message-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 9999;
    max-width: 400px;
    width: auto;
    pointer-events: none;
}

.message {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    box-shadow: var(--shadow-lg);
    border: 1px solid transparent;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.message.show {
    opacity: 1;
    transform: translateX(0);
}

.success-message {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-color: rgba(16, 185, 129, 0.2);
}

.success-message::before {
    content: '✓';
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-weight: bold;
    font-size: 16px;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-color);
    border-color: rgba(239, 68, 68, 0.2);
}

.error-message::before {
    content: '✕';
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-weight: bold;
    font-size: 16px;
}

.info-message {
    background: rgba(124, 58, 237, 0.1);
    color: var(--secondary-color);
    border-color: rgba(124, 58, 237, 0.2);
}

.info-message::before {
    content: 'ℹ';
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-weight: bold;
    font-size: 16px;
}

.message-content {
    padding-left: var(--spacing-lg);
}

/* 响应式消息提示 */
@media (max-width: 768px) {
    .message-container {
        top: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
        max-width: none;
    }
    
    .message {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
    }
}

/* ===================================
   工具类
   =================================== */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.p-0 { padding: 0 !important; }