/* Inter 字体自托管（仅 latin 子集，~22KB/字重）— 提升首屏文本渲染一致性 */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;  /* 字体加载前用系统字体回退，避免 FOIT */
    src: url('/static/fonts/inter-latin-400-normal.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('/static/fonts/inter-latin-500-normal.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('/static/fonts/inter-latin-600-normal.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* 全局样式 */
:root {
    color-scheme: light !important;
    
    /* 现代高级色彩方案 - 科技感与专业性 */
    --primary-color: #6366f1;      /* 主色调：靛蓝色 */
    --primary-light: #818cf8;      /* 主色调亮版 */
    --primary-dark: #4f46e5;       /* 主色调暗版 */
    --primary-glow: rgba(99, 102, 241, 0.4);
    
    --secondary-color: #06b6d4;    /* 辅助色：青色 */
    --secondary-light: #22d3ee;    /* 辅助色亮版 */
    --secondary-dark: #0891b2;     /* 辅助色暗版 */
    
    --accent-color: #f43f5e;       /* 强调色：玫红色 */
    --accent-light: #fb7185;       /* 强调色亮版 */
    --accent-dark: #e11d48;        /* 强调色暗版 */
    
    --success-color: #10b981;      /* 成功色：绿色 */
    --success-light: #34d399;      /* 成功色亮版 */
    --success-dark: #059669;       /* 成功色暗版 */
    
    --danger-color: #ef4444;       /* 危险色：红色 */
    --danger-light: #fca5a5;       /* 危险色亮版 */
    --danger-dark: #dc2626;        /* 危险色暗版 */
    
    --warning-color: #f59e0b;      /* 警告色：橙色 */
    --warning-light: #fbbf24;      /* 警告色亮版 */
    --warning-dark: #d97706;       /* 警告色暗版 */
    
    /* 中性色 */
    --light-color: #f8fafc;        /* 浅色 */
    --light-gray: #e2e8f0;         /* 浅灰色 */
    --gray: #94a3b8;              /* 灰色 */
    --dark-gray: #475569;          /* 深灰色 */
    --dark-color: #1e293b;         /* 深色 */
    --darker-color: #0f172a;       /* 更深色 */
    
    /* 背景色 */
    --bg-primary: #ffffff;         /* 主背景色 */
    --bg-secondary: #f1f5f9;       /* 次背景色 */
    --bg-tertiary: #e2e8f0;        /* 第三背景色 */
    --bg-dark: #0f172a;            /* 深色背景 */
    
    /* 边框色 */
    --border-light: #e2e8f0;       /* 浅边框 */
    --border-medium: #cbd5e1;      /* 中等边框 */
    --border-dark: #94a3b8;        /* 深边框 */
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    
    /* 圆角 */
    --radius-sm: 0.375rem;         /* 6px */
    --radius-md: 0.5rem;           /* 8px */
    --radius-lg: 0.75rem;          /* 12px */
    --radius-xl: 1rem;             /* 16px */
    --radius-2xl: 1.5rem;          /* 24px */
    --radius-3xl: 2rem;            /* 32px */
    --radius-full: 9999px;         /* 完全圆角 */
    
    /* 过渡 */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-secondary: linear-gradient(135deg, #8b5cf6, #6366f1);
    --gradient-success: linear-gradient(135deg, var(--success-color), var(--success-light));
    --gradient-danger: linear-gradient(135deg, var(--danger-color), var(--danger-light));
    --gradient-warning: linear-gradient(135deg, var(--warning-color), var(--warning-light));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    --gradient-bg: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
    
    /* 字体 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;       /* 12px */
    --font-size-sm: 0.875rem;      /* 14px */
    --font-size-base: 1rem;         /* 16px */
    --font-size-lg: 1.125rem;      /* 18px */
    --font-size-xl: 1.25rem;       /* 20px */
    --font-size-2xl: 1.5rem;       /* 24px */
    --font-size-3xl: 1.875rem;     /* 30px */
    --font-size-4xl: 2.25rem;      /* 36px */
    --font-size-5xl: 3rem;         /* 48px */
    
    /* 间距 */
    --spacing-1: 0.25rem;          /* 4px */
    --spacing-2: 0.5rem;           /* 8px */
    --spacing-3: 0.75rem;          /* 12px */
    --spacing-4: 1rem;             /* 16px */
    --spacing-5: 1.25rem;          /* 20px */
    --spacing-6: 1.5rem;           /* 24px */
    --spacing-8: 2rem;             /* 32px */
    --spacing-10: 2.5rem;          /* 40px */
    --spacing-12: 3rem;            /* 48px */
    --spacing-16: 4rem;            /* 64px */
    --spacing-20: 5rem;            /* 80px */
    
    /* Z-index层级 */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* 重置样式 */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* 无障碍跳转链接 — 默认隐藏，键盘 Tab 聚焦时显示 */
.skip-link {
    position: absolute;
    top: -100px;
    left: 8px;
    z-index: 9999;
    padding: 10px 18px;
    background: var(--primary-color);
    color: #fff;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transition: top var(--transition-fast);
}
.skip-link:focus {
    top: 8px;
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

/* 基础样式 */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 确保页面不会被意外缩放 */
body {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--bg-secondary);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 30%),
        radial-gradient(circle at 80% 30%, rgba(6, 182, 212, 0.06) 0%, transparent 30%),
        radial-gradient(circle at 40% 70%, rgba(16, 185, 129, 0.06) 0%, transparent 30%);
    min-height: 100vh;
    /* 横向溢出在视口裁剪（overflow 值会传播到视口且 body 自身仍为 visible，不影响 sticky 顶栏） */
    overflow-x: hidden;
}

/* 主容器 */
.main-container {
    display: flex;
    min-height: 100vh;
}

/* 左侧导航栏 - 深色渐变设计 */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 50%, #1a1f3a 100%);
    box-shadow: 4px 0 24px rgba(15, 23, 42, 0.15);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
    /* 侧栏容器不滚动：Logo 区固定，仅 .nav-menu 内容区独立滚动 */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(99, 102, 241, 0.08);
}

.sidebar-header {
    padding: var(--spacing-6);
    text-align: center;
    position: relative;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    flex: none; /* 固定在顶部，不随菜单滚动 */
}

.sidebar-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    opacity: 0.8;
}

.sidebar-header img {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    object-fit: contain;
    margin-bottom: var(--spacing-4);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
    background: rgba(255, 255, 255, 0.08);
    padding: var(--spacing-3);
    backdrop-filter: blur(8px);
}

.sidebar-header img:hover {
    transform: scale(1.08) rotate(-3deg);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.sidebar-header h2 {
    margin: 0;
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: #f1f5f9;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.nav-menu {
    list-style: none;
    padding: var(--spacing-4) var(--spacing-3) 64px;
    flex: 1;
    /* 唯一滚动区：Logo 固定，菜单独立滚动（min-height:0 允许 flex 子项收缩滚动） */
    overflow-y: auto;
    min-height: 0;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.3) transparent;
}

.nav-item {
    margin-bottom: var(--spacing-1);
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 9px 12px;
    color: #94a3b8;
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    font-weight: 500;
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -10px;
    width: 3px;
    height: 0;
    background: var(--gradient-primary);
    transform: translateY(-50%);
    transition: height var(--transition-normal);
    border-radius: var(--radius-full);
}

.nav-link:hover {
    color: #e2e8f0;
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(3px);
}

.nav-link:hover::before {
    height: 55%;
}

.nav-link.active {
    color: white;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.32), rgba(139, 92, 246, 0.22));
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(99, 102, 241, 0.22);
}

.nav-link.active::before {
    height: 60%;
}

.nav-icon {
    margin-right: var(--spacing-3);
    font-size: var(--font-size-base);
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    border-radius: 9px;
    background: rgba(148, 163, 184, 0.08);
    color: #94a3b8;
    transition: all var(--transition-normal);
}

.nav-link:hover .nav-icon {
    transform: translateY(-1px) scale(1.05);
    background: rgba(99, 102, 241, 0.22);
    color: #c7d2fe;
}

.nav-link.active .nav-icon {
    background: rgba(255, 255, 255, 0.18);
    color: white;
}

/* 导航项入场：轻微错落淡入（--i 由 sidebar 脚本按序设置） */
@keyframes navItemIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}
.sidebar .nav-item {
    animation: navItemIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: calc(var(--i, 0) * 22ms);
}
@media (prefers-reduced-motion: reduce) {
    .sidebar .nav-item { animation: none; }
}

/* 主内容区域 */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-8);
    transition: all var(--transition-normal);
    min-height: 100vh;
    /* 允许 flex 子项收缩：否则内部 grid/flex 的 min-content 会把容器撑到超出视口，
       叠加 body overflow-x:hidden 后表现为右侧内容被裁切（工作台等页面） */
    min-width: 0;
    /* 注意：不要在此添加 overflow 属性——会创建滚动容器使顶栏 sticky 失效 */
}

/* 头部样式 */
.header {
    background: var(--bg-primary);
    padding: var(--spacing-5) var(--spacing-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-6);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.header::after {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06), transparent 70%);
    border-radius: 50%;
}

.header h1 {
    margin: 0;
    font-weight: 700;
    font-size: var(--font-size-2xl);
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    position: relative;
    z-index: 1;
}

.header h1 i {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    animation: float 4s ease-in-out infinite;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    background: var(--bg-secondary);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
    border: 1px solid var(--border-light);
}

.user-info:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    border-color: rgba(99, 102, 241, 0.2);
    background: var(--bg-primary);
}

.user-info span {
    font-weight: 600;
    color: var(--dark-color);
    white-space: nowrap;
}

.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: 600;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* 卡片样式 - 精炼版 */
.card {
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    transition: all var(--transition-normal);
    border: 1px solid rgba(226, 232, 240, 0.8);
    overflow: hidden;
    background: var(--bg-primary);
    margin-bottom: var(--spacing-6);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.card:hover {
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.06);
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.15);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-header {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.8), rgba(241, 245, 249, 0.4));
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-5) var(--spacing-6);
    position: relative;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.card-title {
    color: var(--dark-color);
    font-weight: 700;
    margin: 0;
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.card-title i {
    color: var(--primary-color);
    font-size: var(--font-size-base);
}

.card-body {
    padding: var(--spacing-6);
}

/* 按钮样式 */
.btn {
    border-radius: var(--radius-xl);
    font-weight: 600;
    transition: all var(--transition-normal);
    padding: var(--spacing-4) var(--spacing-6);
    position: relative;
    overflow: hidden;
    border: none;
    box-shadow: var(--shadow-sm);
    font-size: var(--font-size-base);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    white-space: nowrap;
    font-family: var(--font-family);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover {
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.35);
    transform: translateY(-3px);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--dark-color);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.15);
}

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

.btn-success:hover {
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
    transform: translateY(-3px);
}

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

.btn-danger:hover {
    box-shadow: 0 10px 20px rgba(239, 68, 68, 0.3);
    transform: translateY(-3px);
}

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

.btn-warning:hover {
    box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
    transform: translateY(-3px);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
}

.btn-lg {
    padding: var(--spacing-5) var(--spacing-8);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-2xl);
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-25px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(25px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translate3d(0,0,0); }
    40%, 43% { transform: translate3d(0, -30px, 0); }
    70% { transform: translate3d(0, -15px, 0); }
    90% { transform: translate3d(0,-4px,0); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* 表单元素样式 */
.form-group {
    margin-bottom: var(--spacing-6);
    position: relative;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--dark-color);
    margin-bottom: var(--spacing-3);
    padding-left: var(--spacing-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.form-control {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-5);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    font-weight: 400;
    color: var(--dark-color);
    background: var(--bg-primary);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    font-family: var(--font-family);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
    transform: translateY(-1px);
    background: white;
}

.form-control::placeholder {
    color: var(--gray);
    font-size: var(--font-size-sm);
}

.form-select {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-5);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    font-weight: 400;
    color: var(--dark-color);
    background: var(--bg-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right var(--spacing-4) center;
    background-size: 16px;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    appearance: none;
    font-family: var(--font-family);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
    transform: translateY(-1px);
    background-color: white;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.form-check-input {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    background: var(--bg-primary);
    position: relative;
}

.form-check-input:checked {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-check-input:checked::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
}

.form-check-label {
    font-weight: 500;
    color: var(--dark-color);
    cursor: pointer;
    transition: color var(--transition-normal);
}

.form-check-label:hover {
    color: var(--primary-color);
}

/* 输入组样式 */
.input-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 2px solid var(--border-light);
}

.input-group:focus-within {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.input-group .form-control {
    border: none;
    box-shadow: none;
    border-radius: 0;
    flex: 1;
}

.input-group .btn {
    border-radius: 0;
    border: none;
    box-shadow: none;
}

/* 表格样式 - 精炼版 */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    margin-bottom: var(--spacing-6);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

table th,
table td {
    padding: var(--spacing-3) var(--spacing-5);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

table th {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.8), rgba(241, 245, 249, 0.4));
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--dark-gray);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 2px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 10;
}

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

table tr:hover {
    background: rgba(99, 102, 241, 0.03);
}

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

table td {
    font-weight: 400;
    color: var(--dark-color);
}

/* 导航标签样式 */
.nav-container {
    margin-bottom: var(--spacing-6);
}

.nav-tabs {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-3);
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.nav-tabs .nav-item {
    margin-bottom: 0;
}

.nav-tabs .nav-link {
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--dark-gray);
    transition: all var(--transition-normal);
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    position: relative;
    overflow: hidden;
}

.nav-tabs .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.08);
    transform: translateY(-2px);
}

.nav-tabs .nav-link:hover::before {
    transform: scaleX(1);
}

.nav-tabs .nav-link.active {
    color: white;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.nav-tabs .nav-link.active::before {
    transform: scaleX(0);
}

/* 卡片网格样式 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

/* 工具网格布局 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

/* 表单卡片网格 */
.form-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

/* 脚本模板卡片网格 */
.script-template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}



/* 模板选择卡片样式 - 精炼版 */
.template-select-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    transition: all var(--transition-normal);
    border: 1px solid rgba(226, 232, 240, 0.8);
    padding: var(--spacing-5) var(--spacing-6);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 120px;
}

.template-select-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.template-select-card:hover {
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.06);
    transform: translateY(-3px);
    border-color: rgba(99, 102, 241, 0.15);
}

.template-select-card:hover::after {
    transform: scaleX(1);
}

.template-select-card .template-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex: 1;
}

.template-select-card .template-name i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.template-select-card .template-category {
    margin-left: auto;
    padding: 0.25rem 0.75rem;
    background: #f3f4f6;
    border-radius: 9999px;
    font-size: 0.75rem;
    color: #4b5563;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card-grid,
    .tools-grid,
    .form-card-grid,
    .script-template-grid,
    .template-list {
        grid-template-columns: 1fr;
    }
    
    .form-card,
    .template-select-card {
        padding: var(--spacing-3);
    }
    
    .template-card-actions {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .template-card-actions .btn {
        width: 100%;
    }
}

/* 表单卡片样式 - 精炼版 */
.form-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    transition: all var(--transition-normal);
    border: 1px solid rgba(226, 232, 240, 0.8);
    padding: var(--spacing-5) var(--spacing-6);
    position: relative;
    overflow: hidden;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.form-card:hover {
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.06);
    transform: translateY(-3px);
    border-color: rgba(99, 102, 241, 0.15);
}

.form-card:hover::after {
    transform: scaleX(1);
}

/* 工具卡片样式 - 精炼版 */
.tool-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    transition: all var(--transition-normal);
    border: 1px solid rgba(226, 232, 240, 0.8);
    overflow: hidden;
    cursor: pointer;
}

.tool-card:hover {
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.06);
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.15);
}

.tool-card .card-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-6);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tool-card .card-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent 70%);
    animation: rotate 20s linear infinite;
}

.tool-card .card-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    position: relative;
    z-index: 1;
}

.tool-card .card-header i {
    font-size: var(--font-size-2xl);
    animation: float 4s ease-in-out infinite;
}

.tool-card .card-body {
    padding: var(--spacing-6);
    text-align: center;
}

.tool-card .card-body p {
    margin-bottom: var(--spacing-6);
    color: var(--dark-gray);
    line-height: 1.6;
}

/* 模板列表样式 */
.template-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.template-item {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5) var(--spacing-6);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all var(--transition-normal);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    position: relative;
    overflow: hidden;
}

.template-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.template-item:hover {
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.06);
    border-color: rgba(99, 102, 241, 0.15);
    transform: translateY(-3px);
}

.template-item:hover::before {
    transform: scaleY(1);
}

.template-item h5 {
    margin: 0 0 var(--spacing-4) 0;
    color: var(--dark-color);
    font-weight: 700;
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.template-item h5 i {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
}

.template-item p {
    margin: 0 0 var(--spacing-6) 0;
    color: var(--dark-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.template-actions {
    display: flex;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

.template-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* 公告样式 */
.announcement-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.announcement-item {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5) var(--spacing-6);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all var(--transition-normal);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    position: relative;
    overflow: hidden;
}

.announcement-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-primary);
}

.announcement-item.important::before {
    background: var(--gradient-danger);
}

.announcement-item:hover {
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.06);
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.15);
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-3);
}

.announcement-title {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--dark-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.announcement-meta {
    display: flex;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--gray);
    margin-bottom: var(--spacing-4);
}

.announcement-content {
    color: var(--dark-color);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

/* 徽章样式 */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

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

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

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

.badge-accent {
    background: rgba(244, 63, 94, 0.1);
    color: var(--accent-color);
}

.badge:hover {
    transform: scale(1.08);
    box-shadow: var(--shadow-md);
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-light);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* 成功/错误消息样式 */
.alert {
    padding: var(--spacing-5);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-6);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    animation: slideInLeft 0.3s ease;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    border-radius: var(--radius-full);
}

.alert-success {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.alert-success::before {
    background: var(--gradient-success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.alert-danger::before {
    background: var(--gradient-danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.alert-warning::before {
    background: var(--gradient-warning);
}

.alert-info {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
}

.alert-info::before {
    background: var(--gradient-primary);
}

/* 模态框样式 - 仅用于无 Bootstrap 结构的传统模态框 */
.modal:not(.fade):not(.bootstrap) {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

.modal:not(.fade):not(.bootstrap).show {
    display: flex;
}

.modal:not(.fade):not(.bootstrap) > .modal-content {
    background: #ffffff;
    color: #1e293b;
    padding: var(--spacing-6);
    border-radius: var(--radius-3xl);
    width: 95%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    animation: slideInUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

/* Bootstrap 模态框亮色主题增强 */
.modal.fade .modal-content {
    background-color: #ffffff;
    color: #1e293b;
    border: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.modal.fade .modal-body {
    color: #1e293b;
}

.modal.fade .form-control,
.modal.fade .form-select {
    background-color: #ffffff;
    color: #1e293b;
    border-color: #e2e8f0;
}

.modal.fade .form-control:focus,
.modal.fade .form-select:focus {
    background-color: #ffffff;
    color: #1e293b;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.modal-backdrop {
    background-color: rgba(15, 23, 42, 0.5);
    z-index: 1040;
    pointer-events: none;
}

.modal.fade,
.modal.show {
    z-index: 1050;
}

.modal.fade .modal-dialog,
.modal.show .modal-dialog {
    z-index: 1060;
    pointer-events: auto;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal:not(.fade):not(.bootstrap) > .modal-content > h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-6);
    color: var(--dark-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.modal:not(.fade):not(.bootstrap) > .modal-content > h2 i {
    color: var(--primary-color);
}

.modal:not(.fade):not(.bootstrap) > .modal-content .form-group {
    margin-bottom: var(--spacing-5);
}

.modal:not(.fade):not(.bootstrap) > .modal-content .button-group {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
}

.modal:not(.fade):not(.bootstrap) > .modal-content .button-group button {
    flex: 1;
    padding: var(--spacing-4);
    border: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.modal:not(.fade):not(.bootstrap) > .modal-content .button-group button:first-child {
    background: var(--bg-secondary);
    color: var(--dark-gray);
    border: 1px solid var(--border-light);
}

.modal:not(.fade):not(.bootstrap) > .modal-content .button-group button:first-child:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.modal:not(.fade):not(.bootstrap) > .modal-content .button-group button:last-child {
    background: var(--gradient-primary);
    color: white;
}

.modal:not(.fade):not(.bootstrap) > .modal-content .button-group button:last-child:hover {
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 左侧导航栏 */
    .sidebar {
        left: -100%;
        width: 260px;
        box-shadow: var(--shadow-2xl);
    }
    
    .sidebar.active {
        left: 0;
    }
    
    /* 主内容区域 */
    .main-content {
        margin-left: 0;
        padding: var(--spacing-4);
    }
    
    /* 头部样式 */
    .header {
        flex-direction: column;
        gap: var(--spacing-3);
        text-align: center;
        padding: var(--spacing-4);
        margin-bottom: var(--spacing-4);
    }
    
    .header h1 {
        font-size: var(--font-size-xl);
        flex-direction: column;
        gap: var(--spacing-1);
    }
    
    .user-info {
        justify-content: center;
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-sm);
    }
    
    /* 导航栏切换按钮 */
    #sidebarToggle {
        display: block !important;
        position: fixed;
        top: var(--spacing-4);
        left: var(--spacing-4);
        z-index: calc(var(--z-fixed) + 1);
        background: var(--bg-primary);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-lg);
        padding: var(--spacing-3);
        box-shadow: var(--shadow-md);
        color: var(--dark-color);
    }
    
    /* 卡片样式 */
    .card {
        margin-bottom: var(--spacing-4);
    }
    
    .card-body {
        padding: var(--spacing-4);
    }
    
    .card-header {
        padding: var(--spacing-4);
    }
    
    .card-title {
        font-size: var(--font-size-lg);
    }
    
    /* 按钮样式 */
    .btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-3) var(--spacing-5);
        margin-bottom: var(--spacing-2);
    }
    
    /* 卡片网格 */
    .card-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    /* 模板列表 */
    .template-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    /* 导航标签 */
    .nav-tabs {
        flex-direction: column;
        gap: var(--spacing-2);
        padding: var(--spacing-2);
    }
    
    .nav-tabs .nav-link {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    /* 表格 */
    .table-responsive {
        margin-bottom: var(--spacing-4);
        font-size: var(--font-size-sm);
    }
    
    table th,
    table td {
        padding: var(--spacing-2);
        font-size: var(--font-size-sm);
    }
    
    /* 表单元素 */
    .form-control,
    .form-select {
        padding: var(--spacing-3);
        font-size: var(--font-size-sm);
    }
    
    /* 工具卡片 */
    .tool-card .card-header h3 {
        font-size: var(--font-size-lg);
    }
    
    .tool-card .card-body {
        padding: var(--spacing-4);
    }
    
    /* 工具网格 */
    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    /* 模态框样式 */
    .modal-content {
        padding: var(--spacing-4);
        width: 95%;
        margin: var(--spacing-2);
    }
    
    .modal-content h2 {
        font-size: var(--font-size-lg);
    }
    
    .modal-content .button-group {
        flex-direction: column;
        gap: var(--spacing-2);
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    /* 主内容区域 */
    .main-content {
        padding: var(--spacing-3);
    }
    
    /* 头部样式 */
    .header {
        padding: var(--spacing-3);
    }
    
    .header h1 {
        font-size: var(--font-size-lg);
    }
    
    /* 卡片样式 */
    .card-body {
        padding: var(--spacing-3);
    }
    
    .card-header {
        padding: var(--spacing-3);
    }
    
    .card-title {
        font-size: var(--font-size-base);
    }
    
    /* 工具卡片 */
    .tool-card .card-header {
        padding: var(--spacing-4);
    }
    
    .tool-card .card-header h3 {
        font-size: var(--font-size-base);
    }
    
    .tool-card .card-body {
        padding: var(--spacing-3);
    }
    
    /* 按钮样式 */
    .btn {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
    
    /* 表单元素 */
    .form-control,
    .form-select {
        padding: var(--spacing-3);
        font-size: var(--font-size-sm);
    }
    
    /* 表格 */
    table th,
    table td {
        padding: var(--spacing-1);
        font-size: var(--font-size-xs);
    }
    
    /* 模态框样式 */
    .modal-content {
        padding: var(--spacing-3);
        width: 98%;
        margin: var(--spacing-1);
    }
    
    .modal-content h2 {
        font-size: var(--font-size-base);
    }
}

/* 平板设备优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    /* 左侧导航栏 */
    .sidebar {
        width: 240px;
    }
    
    /* 主内容区域 */
    .main-content {
        margin-left: 240px;
        padding: var(--spacing-6);
    }
    
    /* 卡片网格 */
    .card-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    /* 模板列表 */
    .template-list {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    /* 工具网格 */
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-5);
    }
}

/* 大屏幕优化 */
@media (min-width: 1025px) {
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .sidebar {
        width: 280px;
    }
    
    .main-content {
        padding: var(--spacing-10);
    }
}

/* 深色模式支持（已禁用 - 强制亮色主题） */
@media (prefers-color-scheme: dark) and (max-width: 0) {
    :root {
        --bg-primary: #1e293b;
        --bg-secondary: #0f172a;
        --bg-tertiary: #1e293b;
        --dark-color: #f8fafc;
        --dark-gray: #cbd5e1;
        --gray: #64748b;
        --border-light: #334155;
        --border-medium: #475569;
    }
    
    body {
        background-color: var(--bg-secondary);
        background-image: 
            radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 30%),
            radial-gradient(circle at 80% 30%, rgba(6, 182, 212, 0.1) 0%, transparent 30%),
            radial-gradient(circle at 40% 70%, rgba(16, 185, 129, 0.1) 0%, transparent 30%);
    }
    
    .sidebar {
        background: var(--bg-primary);
    }
    
    .header {
        background: var(--bg-primary);
        border-color: var(--border-light);
    }
    
    .card {
        background: var(--bg-primary);
        border-color: var(--border-light);
    }
    
    .card-header {
        background: var(--bg-secondary);
        border-color: var(--border-light);
    }
    
    .form-control,
    .form-select {
        background: var(--bg-secondary);
        border-color: var(--border-light);
        color: var(--dark-color);
    }
    
    .form-control:focus,
    .form-select:focus {
        background: var(--bg-primary);
    }
    
    .nav-tabs {
        background: var(--bg-primary);
        border-color: var(--border-light);
    }
    
    .nav-tabs .nav-link {
        color: var(--dark-gray);
    }
    
    .nav-tabs .nav-link:hover {
        background: rgba(99, 102, 241, 0.15);
    }
    
    .user-info {
        background: var(--bg-secondary);
        border-color: var(--border-light);
    }
    
    .tool-card {
        background: var(--bg-primary);
        border-color: var(--border-light);
    }
    
    .tool-card .card-body p {
        color: var(--dark-gray);
    }
    
    .template-item {
        background: var(--bg-primary);
        border-color: var(--border-light);
    }
    
    .announcement-item {
        background: var(--bg-primary);
        border-color: var(--border-light);
    }
    
    table {
        background: var(--bg-primary);
    }
    
    table th {
        background: var(--bg-secondary);
        border-color: var(--border-light);
    }
    
    table tr:hover {
        background: rgba(99, 102, 241, 0.1);
    }
    
    table td {
        border-color: var(--border-light);
    }
}

/* ====================================================================
   现代UI增强 (Modern UI Enhancements) - v2
   毛玻璃 / 渐变 / 骨架屏 / 移动端优化 / 微交互
   ==================================================================== */

/* ---- 毛玻璃 (Glassmorphism) 工具类 ---- */
.glass {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* 卡片应用毛玻璃 - 增强版 */
.card.glass-card,
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.card.glass-card::before {
    transform: scaleX(1);
}

/* 渐变文字工具类 */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.gradient-text-warm {
    background: linear-gradient(135deg, #f43f5e, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-cool {
    background: linear-gradient(135deg, #06b6d4, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 渐变边框卡片 */
.gradient-border-card {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.gradient-border-card::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    border-radius: inherit;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.6;
    transition: opacity var(--transition-normal);
}

.gradient-border-card:hover::before {
    opacity: 1;
}

/* ---- 骨架屏 (Skeleton Loader) ---- */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(226, 232, 240, 0.6) 25%,
        rgba(203, 213, 225, 0.8) 50%,
        rgba(226, 232, 240, 0.6) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.skeleton-text {
    height: 14px;
    margin-bottom: var(--spacing-2);
    border-radius: var(--radius-full);
}

.skeleton-text:last-child {
    width: 60%;
    margin-bottom: 0;
}

.skeleton-title {
    height: 24px;
    width: 50%;
    margin-bottom: var(--spacing-4);
    border-radius: var(--radius-md);
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    flex-shrink: 0;
}

.skeleton-card {
    padding: var(--spacing-6);
    border-radius: var(--radius-2xl);
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.skeleton-line {
    height: 10px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-2);
}

.skeleton-line:last-child {
    margin-bottom: 0;
}

/* 内容加载完成淡入效果 */
.fade-in-content {
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger 入场动画 */
.stagger-item {
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }

/* ---- Shimmer 加载条 ---- */
.shimmer-bar {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(99, 102, 241, 0.4) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.2s linear infinite;
    height: 3px;
    width: 100%;
    border-radius: var(--radius-full);
}

@keyframes shimmer-slide {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ---- 移动端导航覆盖层 ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: calc(var(--z-fixed) - 1);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

/* ---- 移动端汉堡按钮 (sidebar toggle) ---- */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: var(--spacing-4);
    left: var(--spacing-4);
    z-index: calc(var(--z-fixed) + 2);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-lg);
    color: var(--dark-color);
    font-size: var(--font-size-lg);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.sidebar-toggle:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.sidebar-toggle:active {
    transform: scale(0.95);
}

/* ---- 侧边栏 active 状态增强 (基于 data-active) ---- */
.sidebar .nav-link.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
    position: relative;
}

.sidebar .nav-link.active::after {
    content: '';
    position: absolute;
    right: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.9);
}

.sidebar .nav-link.active .nav-icon {
    color: white;
    transform: scale(1.1);
}

/* ---- 移动端触摸优化 ---- */
@media (max-width: 768px) {
    /* 增大触摸目标 */
    .nav-link,
    .btn,
    .form-check-input,
    .nav-tabs .nav-link {
        min-height: 44px;
        touch-action: manipulation;
    }
    
    /* 移动端按钮宽度自适应 */
    .btn:not(.btn-sm):not(.btn-icon):not(.btn-no-full) {
        width: auto;
        min-height: 44px;
    }
    
    .btn-group-mobile .btn,
    .btn-full-mobile {
        width: 100%;
    }
    
    /* 按钮组横向滚动 */
    .btn-group-scroll {
        display: flex;
        gap: var(--spacing-2);
        overflow-x: auto;
        padding-bottom: var(--spacing-2);
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x proximity;
    }
    
    .btn-group-scroll .btn {
        flex-shrink: 0;
        width: auto;
        scroll-snap-align: start;
    }
    
    /* 移动端汉堡按钮显示 */
    .sidebar-toggle {
        display: flex;
    }
    
    /* 主内容上边距避开汉堡按钮 */
    .main-content {
        padding-top: calc(var(--spacing-4) + 60px);
    }
    
    /* 头部可点击区域优化 */
    .user-info {
        min-height: 44px;
        padding: var(--spacing-3) var(--spacing-5);
    }
    
    /* 表格行触摸优化 */
    table tr {
        min-height: 44px;
    }
    
    /* 卡片触摸反馈 */
    .card,
    .form-card,
    .tool-card,
    .template-item,
    .announcement-item {
        -webkit-tap-highlight-color: rgba(99, 102, 241, 0.15);
    }
    
    /* 防止横向滚动（clip 不创建滚动容器，保证 sticky 顶栏可用） */
    .main-content {
        overflow-x: clip;
    }
}

/* ---- 自定义滚动条 ---- */
.sidebar .nav-menu::-webkit-scrollbar,
.modal-content::-webkit-scrollbar,
.table-responsive::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.sidebar .nav-menu::-webkit-scrollbar-track,
.modal-content::-webkit-scrollbar-track,
.table-responsive::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar .nav-menu::-webkit-scrollbar-thumb,
.modal-content::-webkit-scrollbar-thumb,
.table-responsive::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
}

.sidebar .nav-menu::-webkit-scrollbar-thumb:hover,
.modal-content::-webkit-scrollbar-thumb:hover,
.table-responsive::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.3) transparent;
}

/* ---- Hover Glow 效果 ---- */
.glow-hover {
    transition: all var(--transition-normal);
}

.glow-hover:hover {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3), 0 0 60px rgba(6, 182, 212, 0.15);
    transform: translateY(-2px);
}

/* ---- 渐变分割线 ---- */
.gradient-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    margin: var(--spacing-6) 0;
    opacity: 0.4;
}

/* ---- 浮动装饰球 (页面背景装饰) ---- */
.bg-decoration {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
    animation: float 12s ease-in-out infinite;
}

.bg-decoration.decoration-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent 70%);
}

.bg-decoration.decoration-2 {
    width: 400px;
    height: 400px;
    bottom: -150px;
    left: 200px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.25), transparent 70%);
    animation-delay: -4s;
}

.bg-decoration.decoration-3 {
    width: 250px;
    height: 250px;
    top: 40%;
    right: 30%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.2), transparent 70%);
    animation-delay: -8s;
}

/* 确保内容在装饰层之上 */
.main-content {
    position: relative;
    z-index: auto;
}

/* ---- 图标圆形容器 ---- */
.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.icon-circle.icon-circle-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.icon-circle.icon-circle-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.icon-circle.icon-circle-warning {
    background: var(--gradient-warning);
    color: white;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.icon-circle.icon-circle-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.3);
}

.icon-circle:hover {
    transform: scale(1.1) rotate(5deg);
}

/* ---- 统计卡片渐变变体 (Dashboard) ---- */
.stat-card-gradient {
    position: relative;
    overflow: hidden;
}

.stat-card-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.4;
    pointer-events: none;
}

.stat-card-gradient.variant-primary::before {
    background: rgba(99, 102, 241, 0.5);
}

.stat-card-gradient.variant-success::before {
    background: rgba(16, 185, 129, 0.5);
}

.stat-card-gradient.variant-warning::before {
    background: rgba(245, 158, 11, 0.5);
}

.stat-card-gradient.variant-danger::before {
    background: rgba(239, 68, 68, 0.5);
}

.stat-card-gradient.variant-info::before {
    background: rgba(6, 182, 212, 0.5);
}

/* ---- Toast 通知 ---- */
.toast-container {
    position: fixed;
    top: var(--spacing-6);
    right: var(--spacing-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    max-width: 380px;
    pointer-events: none;
}

.toast-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: var(--spacing-4) var(--spacing-5);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    min-width: 280px;
    pointer-events: auto;
    animation: slideInRight 0.3s ease-out;
}

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

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

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

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

.toast-item.hide {
    animation: slideOutRight 0.3s ease-in forwards;
}

@keyframes slideOutRight {
    to {
        opacity: 0;
        transform: translateX(120%);
    }
}

.toast-item .toast-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.toast-item.toast-success .toast-icon { color: var(--success-color); }
.toast-item.toast-error .toast-icon { color: var(--danger-color); }
.toast-item.toast-warning .toast-icon { color: var(--warning-color); }
.toast-item.toast-info .toast-icon { color: var(--primary-color); }

.toast-item .toast-content {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--dark-color);
    font-weight: 500;
}

.toast-item .toast-close {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: var(--spacing-1);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.toast-item .toast-close:hover {
    color: var(--dark-color);
}

@media (max-width: 480px) {
    .toast-container {
        top: var(--spacing-3);
        right: var(--spacing-3);
        left: var(--spacing-3);
        max-width: none;
    }

    .toast-item {
        min-width: 0;
    }
}

/* ---- 未读通知右下角弹窗 ---- */
/* 独立于右上角的 .toast-container，专用于新未读通知的桌面提醒 */
.notif-toast-container {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column-reverse;
    gap: 10px;
    max-width: 360px;
    pointer-events: none;
}

.notif-toast {
    pointer-events: auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.18), 0 4px 10px rgba(15, 23, 42, 0.06);
    border: 1px solid #eef2f7;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    min-width: 300px;
    max-width: 360px;
    cursor: pointer;
    transition: transform 0.18s, box-shadow 0.18s;
    animation: notifToastIn 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.notif-toast:hover {
    transform: translateX(-3px);
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.22), 0 6px 12px rgba(15, 23, 42, 0.08);
}

.notif-toast.removing {
    animation: notifToastOut 0.28s ease-in forwards;
}

@keyframes notifToastIn {
    from { opacity: 0; transform: translateY(16px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes notifToastOut {
    to { opacity: 0; transform: translateX(120%); }
}

.notif-toast .notif-accent {
    width: 4px;
    flex-shrink: 0;
    background: var(--primary-color);
}

.notif-toast.t-workflow .notif-accent { background: #8b5cf6; }
.notif-toast.t-approval .notif-accent { background: #3b82f6; }
.notif-toast.t-info .notif-accent { background: #06b6d4; }
.notif-toast.t-success .notif-accent { background: var(--success-color); }
.notif-toast.t-warning .notif-accent { background: var(--warning-color); }
.notif-toast.t-danger .notif-accent { background: var(--danger-color); }

.notif-toast .notif-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #fff;
    flex-shrink: 0;
    margin: 12px 0 12px 12px;
    background: var(--primary-color);
}

.notif-toast.t-workflow .notif-icon { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.notif-toast.t-approval .notif-icon { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.notif-toast.t-info .notif-icon { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.notif-toast.t-success .notif-icon { background: linear-gradient(135deg, #10b981, #059669); }
.notif-toast.t-warning .notif-icon { background: linear-gradient(135deg, #f59e0b, #d97706); }
.notif-toast.t-danger .notif-icon { background: linear-gradient(135deg, #ef4444, #dc2626); }

/* ===== 通知分类配色（category：todo/progress/cc/kb/sla/system） ===== */
.notif-toast.c-todo .notif-accent { background: #3b82f6; }
.notif-toast.c-todo .notif-icon { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.notif-toast.c-progress .notif-accent { background: #8b5cf6; }
.notif-toast.c-progress .notif-icon { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.notif-toast.c-cc .notif-accent { background: #06b6d4; }
.notif-toast.c-cc .notif-icon { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.notif-toast.c-kb .notif-accent { background: #f59e0b; }
.notif-toast.c-kb .notif-icon { background: linear-gradient(135deg, #f59e0b, #d97706); }
.notif-toast.c-sla .notif-accent { background: #ef4444; }
.notif-toast.c-sla .notif-icon { background: linear-gradient(135deg, #ef4444, #dc2626); }
.notif-toast.c-system .notif-accent { background: #64748b; }
.notif-toast.c-system .notif-icon { background: linear-gradient(135deg, #64748b, #475569); }
.notif-toast .notif-tag {
    font-size: 11px; color: #6366f1; background: #eef2ff;
    padding: 1px 8px; border-radius: 9px; font-weight: 500;
}

.notif-toast .notif-body {
    flex: 1;
    min-width: 0;
    padding: 11px 10px 11px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.notif-toast .notif-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.notif-toast .notif-title {
    font-size: 13.5px;
    font-weight: 600;
    color: #1e293b;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.notif-toast .notif-time {
    font-size: 11px;
    color: #94a3b8;
    flex-shrink: 0;
}

.notif-toast .notif-content {
    font-size: 12.5px;
    color: #64748b;
    line-height: 1.45;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-word;
}

.notif-toast .notif-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

.notif-toast .notif-action {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.notif-toast .notif-close {
    background: none;
    border: none;
    color: #cbd5e1;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 13px;
    line-height: 1;
    flex-shrink: 0;
    align-self: flex-start;
    margin: 8px 8px 0 0;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
}

.notif-toast .notif-close:hover {
    color: #64748b;
    background: #f1f5f9;
}

.notif-toast .notif-progress {
    position: relative;
    height: 3px;
    background: #f1f5f9;
    margin: 0 12px 0 12px;
    border-radius: 2px;
    overflow: hidden;
}

.notif-toast .notif-progress-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    width: 100%;
    transform-origin: left;
}

.notif-toast .notif-progress-bar.running {
    animation: notifProgress var(--notif-duration, 8s) linear forwards;
}

.notif-toast.paused .notif-progress-bar.running {
    animation-play-state: paused;
}

@keyframes notifProgress {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0); }
}

.notif-toast-container.has-stack::before {
    content: '还有未读通知';
    pointer-events: auto;
    align-self: flex-end;
    background: rgba(30, 41, 59, 0.85);
    color: #fff;
    font-size: 11.5px;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: -4px;
    margin-right: 4px;
    display: none;
}

/* 移动端：占满底部宽度，避免遮挡 */
@media (max-width: 480px) {
    .notif-toast-container {
        right: 10px;
        left: 10px;
        bottom: 10px;
        max-width: none;
    }
    .notif-toast {
        min-width: 0;
        max-width: none;
        width: 100%;
    }
}

/* ---- 暗色模式补强（已禁用 - 强制亮色主题） ---- */
@media (prefers-color-scheme: dark) and (max-width: 0) {
    .glass {
        background: rgba(30, 41, 59, 0.65);
        border-color: rgba(255, 255, 255, 0.08);
    }
    
    .glass-strong {
        background: rgba(30, 41, 59, 0.85);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .glass-card,
    .card.glass-card {
        background: rgba(30, 41, 59, 0.7);
        border-color: rgba(255, 255, 255, 0.08);
    }
    
    .skeleton {
        background: linear-gradient(
            90deg,
            rgba(51, 65, 85, 0.6) 25%,
            rgba(71, 85, 105, 0.8) 50%,
            rgba(51, 65, 85, 0.6) 75%
        );
        background-size: 200% 100%;
    }
    
    .sidebar-toggle {
        background: rgba(30, 41, 59, 0.85);
        color: var(--dark-color);
        border-color: var(--border-light);
    }
    
    .toast-item {
        background: rgba(30, 41, 59, 0.95);
        border-color: rgba(255, 255, 255, 0.08);
    }
    
    .toast-item .toast-content {
        color: var(--dark-color);
    }
    
    .bg-decoration {
        opacity: 0.3;
    }
}

/* ---- 可访问性: 减少动画 ---- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---- 文本截断 ---- */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---- 空状态 ---- */
.empty-state {
    text-align: center;
    padding: var(--spacing-12, 4rem) var(--spacing-6);
    color: var(--gray);
}

.empty-state .empty-icon {
    font-size: 4rem;
    color: var(--border-medium);
    margin-bottom: var(--spacing-4);
    animation: float 4s ease-in-out infinite;
}

.empty-state .empty-title {
    font-size: var(--font-size-lg);
    color: var(--dark-gray);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.empty-state .empty-desc {
    font-size: var(--font-size-sm);
    color: var(--gray);
}

/* ---- 按钮加载状态 ---- */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0 -9px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    color: white;
}

/* ---- 涟漪点击效果 ---- */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ---- 间距补丁 ---- */
.spacing-7 {
    padding: 1.75rem; /* 28px */
}

/* ---- 大屏侧边栏可折叠 ---- */
@media (min-width: 769px) {
    .sidebar.collapsed {
        width: 80px;
    }
    
    .sidebar.collapsed .sidebar-header h2,
    .sidebar.collapsed .nav-link span {
        opacity: 0;
        width: 0;
        overflow: hidden;
        white-space: nowrap;
    }
    
    .sidebar.collapsed .sidebar-header img {
        width: 50px;
        height: 50px;
        padding: var(--spacing-2);
        margin-bottom: 0;
    }
    
    .sidebar.collapsed .nav-link {
        justify-content: center;
        padding: var(--spacing-4);
    }
    
    .sidebar.collapsed .nav-link .nav-icon {
        margin-right: 0;
    }
    
    .sidebar.collapsed .nav-link.active::after {
        display: none;
    }
    
    .main-content.sidebar-collapsed {
        margin-left: 80px;
    }
}

/* 大屏侧边栏折叠按钮 */
.sidebar-collapse-btn {
    position: absolute;
    bottom: var(--spacing-4);
    right: var(--spacing-4);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    color: var(--dark-gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    transition: all var(--transition-normal);
    z-index: 10;
}

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

.sidebar.collapsed .sidebar-collapse-btn i {
    transform: rotate(180deg);
}

.sidebar-collapse-btn i {
    transition: transform var(--transition-normal);
}

@media (max-width: 768px) {
    .sidebar-collapse-btn {
        display: none;
    }
}

/* ---- 表单搜索框样式 ---- */
.search-box {
    position: relative;
    margin-bottom: var(--spacing-4);
}

.search-box .search-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4) var(--spacing-3) calc(var(--spacing-4) + 32px);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    background: var(--bg-primary);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.search-box .search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.search-box .search-icon {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: var(--font-size-sm);
    pointer-events: none;
}

.search-box:focus-within .search-icon {
    color: var(--primary-color);
}

/* ---- 进度条样式 ---- */
.progress-modern {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-modern .progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
    position: relative;
    overflow: hidden;
}

.progress-modern .progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: shimmer 1.5s linear infinite;
}

/* ---- Tooltip 简易样式 ---- */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: var(--darker-color);
    color: white;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: var(--z-tooltip);
}

[data-tooltip]:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(-8px);
}

/* ---- 表单卡片标题装饰 ---- */
.section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    position: relative;
    padding-left: var(--spacing-5);
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-title i {
    color: var(--primary-color);
}

/* ---- 数据可视化容器 ---- */
.chart-container {
    position: relative;
    padding: var(--spacing-6);
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
}

.chart-container canvas {
    max-height: 400px;
}

@media (max-width: 768px) {
    .chart-container {
        padding: var(--spacing-4);
    }
    
    .chart-container canvas {
        max-height: 280px;
    }
}

/* ---- Focus 可见性 (键盘导航) ---- */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ---- 选中文字颜色 ---- */
::selection {
    background: rgba(99, 102, 241, 0.25);
    color: var(--darker-color);
}

/* ---- 页面顶部加载条 ---- */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    z-index: 9999;
    transition: transform 0.3s ease;
}

.page-loader.loading {
    transform: scaleX(1);
    animation: page-loader-pulse 1.5s ease-in-out infinite;
}

@keyframes page-loader-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ---- 头部内容布局 (header-inner) ---- */
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-6);
    width: 100%;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.header-greeting {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    flex: 1;
    min-width: 0;
}

.header-greeting h1 {
    margin: 0;
    font-weight: 700;
    font-size: var(--font-size-2xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    background: linear-gradient(90deg, var(--dark-color), var(--dark-gray));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-greeting h1 i {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    animation: float 4s ease-in-out infinite;
}

.header-greeting p {
    margin: 0;
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
    
    .header-greeting {
        width: 100%;
    }
    
    .header-greeting h1 {
        font-size: var(--font-size-xl);
    }
    
    .header-greeting p {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .header-greeting h1 {
        font-size: var(--font-size-lg);
    }
}

/* ================================================================
   通用组件库 v2.0 (2026-08-24 新增)
   设计原则：基于已有设计 token，向后兼容，业务页可直接套用 class
   ================================================================ */

/* ---------- 1. 统一数据表格 .data-table ---------- */
.data-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    background: var(--bg-primary);
}

.data-table thead th {
    padding: 12px 14px;
    background: var(--bg-secondary);
    text-align: left;
    font-weight: 600;
    color: var(--dark-gray);
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

.data-table tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    color: var(--dark-color);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: #f8fafc;
}

.data-table tbody tr:nth-child(even) {
    background: rgba(248, 250, 252, 0.5);
}

.data-table tbody tr:nth-child(even):hover {
    background: var(--bg-secondary);
}

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

/* ---------- 2. 空状态 .empty-state ---------- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray);
}

.empty-state .empty-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--bg-secondary), #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    opacity: 0.7;
}

.empty-state .empty-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--dark-gray);
    margin: 0 0 6px 0;
}

.empty-state .empty-desc {
    font-size: var(--font-size-sm);
    color: var(--gray);
    margin: 0 0 16px 0;
    line-height: 1.5;
}

.empty-state .empty-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.empty-state .empty-action:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* ---------- 3. 全局加载遮罩 .page-loading ---------- */
.page-loading {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-toast);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--spacing-3);
}

.page-loading.show {
    display: flex;
}

.page-loading .loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: page-loading-spin 0.7s linear infinite;
}

.page-loading .loading-text {
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

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

/* ---------- 4. 统一筛选区 .filter-bar ---------- */
.filter-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    padding: 14px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
}

.filter-bar .filter-input,
.filter-bar .filter-select {
    padding: 7px 11px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    outline: none;
    background: var(--bg-primary);
    color: var(--dark-color);
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.filter-bar .filter-input {
    min-width: 180px;
}

.filter-bar .filter-input:focus,
.filter-bar .filter-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.filter-bar .filter-spacer {
    flex: 1;
}

/* ---------- 5. 通用统计卡 .stat-card ---------- */
.stat-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--sb-color, var(--gradient-primary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.stat-card .stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1.1;
}

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

/* 统计卡图标色系 */
.stat-card .stat-icon.c-primary { background: var(--gradient-primary); }
.stat-card .stat-icon.c-success { background: var(--gradient-success); }
.stat-card .stat-icon.c-danger { background: var(--gradient-danger); }
.stat-card .stat-icon.c-warning { background: var(--gradient-warning); }
.stat-card .stat-icon.c-secondary { background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light)); }
.stat-card .stat-icon.c-accent { background: var(--gradient-accent); }

/* ---------- 6. 状态徽章 .badge-status ---------- */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

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

.badge-status.bs-primary { background: #e0e7ff; color: var(--primary-dark); }
.badge-status.bs-success { background: #d1fae5; color: var(--success-dark); }
.badge-status.bs-danger { background: #fee2e2; color: var(--danger-dark); }
.badge-status.bs-warning { background: #fef3c7; color: var(--warning-dark); }
.badge-status.bs-info { background: #dbeafe; color: #2563eb; }
.badge-status.bs-secondary { background: #f1f5f9; color: var(--dark-gray); }
.badge-status.bs-accent { background: #ffe4e6; color: var(--accent-dark); }
.badge-status.bs-purple { background: #ede9fe; color: #7c3aed; }

/* 不带圆点的变体 */
.badge-status.no-dot::before {
    display: none;
}

/* ================================================================
   顶栏组件 .app-topbar
   ================================================================ */
.app-topbar {
    background: var(--bg-primary);
    padding: 14px 24px;
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-6);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    border: 1px solid rgba(226, 232, 240, 0.8);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    /* 吸顶：滚动时固定在视窗顶部（sticky 不脱离文档流，无需占位元素） */
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

/* 面包屑 */
.app-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
    color: var(--gray);
    flex-shrink: 0;
}

.app-breadcrumb a {
    color: var(--dark-gray);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.app-breadcrumb a:hover {
    color: var(--primary-color);
}

.app-breadcrumb .bc-separator {
    color: var(--border-medium);
    font-size: 0.7rem;
}

.app-breadcrumb .bc-current {
    color: var(--dark-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.app-breadcrumb .bc-current i {
    color: var(--primary-color);
}

/* 全局搜索框 */
.topbar-search {
    position: relative;
    flex: 1;
    max-width: 380px;
    min-width: 180px;
}

.topbar-search .ts-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: var(--font-size-sm);
    pointer-events: none;
}

.topbar-search input {
    width: 100%;
    padding: 9px 14px 9px 38px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    background: var(--bg-secondary);
    color: var(--dark-color);
    outline: none;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.topbar-search input:focus {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.topbar-search input::placeholder {
    color: var(--gray);
}

/* 搜索结果下拉 */
.topbar-search-results {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0; right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 360px;
    overflow-y: auto;
    z-index: var(--z-dropdown);
}

.topbar-search-results.show {
    display: block;
}

.topbar-search-results .ts-group-title {
    padding: 8px 14px 4px;
    font-size: var(--font-size-xs);
    color: var(--gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.topbar-search-results .ts-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    color: var(--dark-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.topbar-search-results .ts-item:hover {
    background: var(--bg-secondary);
}

.topbar-search-results .ts-item i {
    color: var(--primary-color);
    width: 16px;
    text-align: center;
}

.topbar-search-results .ts-empty {
    padding: 24px;
    text-align: center;
    color: var(--gray);
    font-size: var(--font-size-sm);
}

/* 顶栏右侧操作区 */
.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

/* 通知铃铛 */
.topbar-bell {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    color: var(--dark-gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.topbar-bell:hover {
    background: #e0e7ff;
    border-color: #c7d2fe;
    color: var(--primary-color);
    transform: translateY(-1px);
}

.topbar-bell .tb-dot {
    position: absolute;
    top: 6px; right: 6px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: var(--radius-full);
    background: var(--danger-color);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-primary);
    line-height: 1;
}

.topbar-bell .tb-dot.empty {
    display: none;
}

/* 用户头像下拉 */
.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px 4px 4px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-dropdown-toggle:hover {
    background: #e0e7ff;
    border-color: #c7d2fe;
}

.user-dropdown-toggle .ud-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.user-dropdown-toggle .ud-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--dark-color);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown-toggle .ud-caret {
    font-size: 0.7rem;
    color: var(--gray);
    transition: transform var(--transition-fast);
}

.user-dropdown.open .ud-caret {
    transform: rotate(180deg);
}

.user-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.user-dropdown.open .user-dropdown-menu {
    display: block;
    animation: dropdownFadeIn 0.2s ease-out;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-dropdown-menu .udm-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.user-dropdown-menu .udm-name {
    font-weight: 600;
    color: var(--dark-color);
    font-size: var(--font-size-sm);
    margin: 0 0 2px 0;
}

.user-dropdown-menu .udm-role {
    font-size: var(--font-size-xs);
    color: var(--gray);
}

.user-dropdown-menu .udm-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--dark-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    font-family: var(--font-family);
}

.user-dropdown-menu .udm-item:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.user-dropdown-menu .udm-item i {
    width: 16px;
    text-align: center;
    color: var(--gray);
}

.user-dropdown-menu .udm-item:hover i {
    color: var(--primary-color);
}

.user-dropdown-menu .udm-divider {
    height: 1px;
    background: var(--border-light);
    margin: 4px 0;
}

.user-dropdown-menu .udm-item.danger {
    color: var(--danger-color);
}

.user-dropdown-menu .udm-item.danger i {
    color: var(--danger-color);
}

.user-dropdown-menu .udm-item.danger:hover {
    background: #fee2e2;
    color: var(--danger-dark);
}

/* 顶栏响应式 */
@media (max-width: 768px) {
    .app-topbar {
        padding: 12px 16px;
    }

    .topbar-search {
        order: 10;
        width: 100%;
        max-width: none;
        flex-basis: 100%;
    }

    .user-dropdown-toggle .ud-name {
        display: none;
    }

    .app-breadcrumb {
        font-size: var(--font-size-xs);
    }
}

/* ================================================================
   旧组件 class 兼容映射（让各页面已有的 .wi-* / .wb-* 等组件
   自动继承通用组件样式，无需改 JS 即可统一视觉）
   ================================================================ */

/* wi-empty → empty-state 视觉统一 */
.wi-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray);
}
.wi-empty > i:first-child {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--bg-secondary), #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    opacity: 0.7;
}
.wi-empty > div {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
}

/* wi-status 视觉与 badge-status 一致（保留各状态色） */
.wi-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}
.wi-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* wi-stat-card 悬浮效果增强（与 stat-card 一致） */
.wi-stat-card {
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}
.wi-stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}
.wi-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.wi-stat-card:hover::before {
    opacity: 1;
}

/* wi-table 表头粘性（与 data-table 一致） */
.wi-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
}

/* ================================================================ */
/* 视觉增强：空状态 SVG 插画 + 表格列宽可调（v20260824 追加） */
/* ================================================================ */

/* --- 空状态插画：在 .empty-state 内放 <svg class="empty-illustration"> --- */
.empty-state .empty-illustration {
    width: 128px;
    height: 96px;
    margin: 0 auto var(--spacing-5);
    display: block;
    opacity: 0.9;
}
.empty-state .empty-illustration svg {
    width: 100%;
    height: 100%;
    display: block;
}
/* 空状态操作按钮区 */
.empty-state .empty-action {
    margin-top: var(--spacing-5);
    display: flex;
    gap: var(--spacing-2);
    justify-content: center;
    flex-wrap: wrap;
}

/* --- 表格列宽可调（需配合 table.table-resizable + common.js 自动初始化） ---
   用法：给表格同时加 data-table 和 table-resizable 两个 class 即可启用拖拽调列宽。
   列宽按「页面路径 + 列序号」持久化到 localStorage。
*/
.table-resizable {
    table-layout: fixed;
}
.table-resizable thead th {
    position: relative;
    min-width: 60px;
}
/* 非首列右边缘的拖拽手柄（6px 命中区） */
.table-resizable thead th:not(:first-child)::after {
    content: '';
    position: absolute;
    top: 0;
    right: -3px;
    width: 6px;
    height: 100%;
    cursor: col-resize;
    z-index: 3;
}
.table-resizable thead th.col-resizing {
    background: var(--bg-secondary);
}
.table-resizable thead th.col-resizing::after {
    background: var(--primary-color);
    opacity: 0.4;
}