/* ============================================
   个人助手 - 全局毛玻璃设计系统
   ============================================ */

:root {
    /* 布局基准 */
    --container-max: 1440px;
    --page-pad-d: 32px;
    --page-pad-t: 24px;
    --page-pad-m: 16px;
    --sidebar-w: 260px;
    --sidebar-w-collapsed: 72px;

    /* 间距系统 8px 基准 */
    --s-1: 8px;
    --s-2: 16px;
    --s-3: 24px;
    --s-4: 32px;
    --s-5: 48px;
    --s-6: 64px;

    /* 圆角 */
    --r-sm: 10px;
    --r-md: 16px;
    --r-lg: 20px;
    --r-xl: 28px;

    /* 颜色 - 高级白色系 */
    --bg-1: #f8fafc;
    --bg-2: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-bg-strong: rgba(255, 255, 255, 0.82);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.08);
    --glass-shadow-hover: 0 12px 40px rgba(31, 38, 135, 0.14);

    --text-1: #1e293b;
    --text-2: #475569;
    --text-3: #94a3b8;
    --text-light: #f1f5f9;

    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-soft: rgba(99, 102, 241, 0.12);

    --success: #10b981;
    --success-soft: rgba(16, 185, 129, 0.12);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.12);
    --info: #0ea5e9;
    --info-soft: rgba(14, 165, 233, 0.12);

    --border: rgba(148, 163, 184, 0.2);
    --border-strong: rgba(148, 163, 184, 0.35);

    /* 背景辅助变量（用于profile-tab等组件） */
    --bg-card: #ffffff;
    --bg-muted: #f1f5f9;
    --text-muted: #64748b;

    /* 字体 */
    --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --fs-xs: 12px;
    --fs-sm: 14px;
    --fs-md: 15px;
    --fs-lg: 17px;
    --fs-xl: 20px;
    --fs-2xl: 26px;
    --fs-3xl: 34px;
    --fs-4xl: 46px;

    /* 动效 */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --dur: 0.3s;
}

/* 重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-base);
    font-size: var(--fs-md);
    line-height: 1.7;
    color: var(--text-1);
    background: transparent;
    min-height: 100vh;
    overflow-x: hidden;
}
/* body 背景透明，让 weather-bg 的渐变可见；weather-bg 不存在时由 canvas 兜底 */
html { background: var(--bg-1); min-height: 100vh; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.4); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, 0.6); }

/* ===== 天气背景层 ===== */
.weather-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    transition: background 1.2s var(--ease);
    overflow: hidden;
    /* 默认背景（多云风格），确保 JS 加载前也可见 */
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
}
.weather-bg::before {
    content: '';
    position: absolute;
    inset: -50%;
    animation: floatBg 20s ease-in-out infinite;
    pointer-events: none;
}
/* 晴天：明亮白色 + 淡蓝光晕 + 暖黄阳光 */
.weather-bg.sunny { background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 40%, #fef9c3 100%); }
.weather-bg.sunny::before {
    background: radial-gradient(circle at 25% 25%, rgba(251, 191, 36, 0.18), transparent 45%),
                radial-gradient(circle at 75% 75%, rgba(14, 165, 233, 0.14), transparent 50%);
}
/* 多云：灰白色渐变 */
.weather-bg.cloudy { background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%); }
.weather-bg.cloudy::before {
    background: radial-gradient(circle at 30% 30%, rgba(148, 163, 184, 0.15), transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(203, 213, 225, 0.12), transparent 50%);
}
/* 雨天：灰蓝色渐变 + 雨滴动画 */
.weather-bg.rainy { background: linear-gradient(135deg, #94a3b8 0%, #64748b 50%, #475569 100%); }
.weather-bg.rainy::before {
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.18), transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(71, 85, 105, 0.2), transparent 50%);
}
/* 雪天：冷白色渐变 + 雪花飘落 */
.weather-bg.snowy { background: linear-gradient(135deg, #f8fafc 0%, #f0f9ff 50%, #dbeafe 100%); }
.weather-bg.snowy::before {
    background: radial-gradient(circle at 30% 30%, rgba(186, 230, 253, 0.2), transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(219, 234, 254, 0.15), transparent 50%);
}
/* 雾天：朦胧白色渐变 */
.weather-bg.foggy { background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%); }
.weather-bg.foggy::before {
    background: radial-gradient(circle at 30% 30%, rgba(226, 232, 240, 0.25), transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(241, 245, 249, 0.2), transparent 50%);
    filter: blur(30px);
}
/* 夜晚：暗色调毛玻璃 */
.weather-bg.night { background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%); }
.weather-bg.night::before {
    background: radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.15), transparent 45%),
                radial-gradient(circle at 75% 75%, rgba(14, 165, 233, 0.08), transparent 50%);
}

@keyframes floatBg {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-3%, 2%) scale(1.05); }
}

/* 雨滴/雪花动画层 */
.weather-particles {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}
.raindrop {
    position: absolute;
    width: 2px;
    height: 60px;
    background: linear-gradient(transparent, rgba(99, 102, 241, 0.5));
    animation: fall linear infinite;
}
@keyframes fall {
    to { transform: translateY(110vh); }
}
.snowflake {
    position: absolute;
    color: rgba(255, 255, 255, 0.85);
    animation: snowfall linear infinite;
    text-shadow: 0 0 4px rgba(186, 230, 253, 0.6);
}
@keyframes snowfall {
    to { transform: translateY(110vh) rotate(360deg); }
}
/* 雾天叠加层（朦胧感） */
.weather-bg.foggy::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, transparent 30%, transparent 70%, rgba(255,255,255,0.06) 100%);
    pointer-events: none;
    animation: fogDrift 30s ease-in-out infinite;
}
@keyframes fogDrift {
    0%, 100% { transform: translateX(0); opacity: 0.6; }
    50% { transform: translateX(20px); opacity: 0.9; }
}

/* ===== 毛玻璃基础 ===== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    box-shadow: var(--glass-shadow);
    transition: all var(--dur) var(--ease);
}
.glass-strong {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
}
.glass:hover { box-shadow: var(--glass-shadow-hover); transform: translateY(-2px); }

/* ===== 布局容器 ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--page-pad-d);
    width: 100%;
}
@media (max-width: 991px) { .container { padding: 0 var(--page-pad-t); } }
@media (max-width: 767px) { .container { padding: 0 var(--page-pad-m); } }

/* 网格 */
.grid { display: grid; gap: var(--s-3); width: 100%; }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1199px) { .grid-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 991px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 767px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* Flex 工具 */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); }
.flex-col { display: flex; flex-direction: column; }
.flex-1 { flex: 1; min-width: 0; }
.gap-1 { gap: var(--s-1); }
.gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); }
.wrap { flex-wrap: wrap; }

/* ===== 导航栏 ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 68px;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    border-bottom: 1px solid var(--glass-border);
}
.navbar-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-3);
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
}
.nav-logo img { height: 36px; width: 36px; border-radius: 10px; object-fit: cover; }
.nav-logo .logo-img { height: 44px; width: auto; max-width: 200px; object-fit: contain; border-radius: 8px; }
.sidebar-logo .logo-img { height: 36px; width: auto; max-width: 100%; object-fit: contain; }
.modal-favicon { width: 20px; height: 20px; border-radius: 4px; object-fit: contain; margin-right: 8px; flex-shrink: 0; }
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--s-1);
    flex: 1;
    min-width: 0;
    justify-content: center;
}
.nav-menu a {
    padding: 8px 16px;
    border-radius: var(--r-sm);
    font-size: var(--fs-sm);
    color: var(--text-2);
    font-weight: 500;
    transition: all var(--dur) var(--ease);
    white-space: nowrap;
}
.nav-menu a:hover { background: var(--primary-soft); color: var(--primary); }
.nav-menu a.active { background: var(--primary-soft); color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: var(--s-1); flex-shrink: 0; }
.nav-toggle { display: none; font-size: 24px; padding: 8px; }

@media (max-width: 991px) {
    .nav-menu { display: none; }
    .nav-toggle { display: block; }
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 42px;
    padding: 0 22px;
    border-radius: var(--r-sm);
    font-size: var(--fs-sm);
    font-weight: 600;
    transition: all var(--dur) var(--ease);
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid transparent;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4); transform: translateY(-1px); }
.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-1);
    border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.btn-ghost { color: var(--text-2); }
.btn-ghost:hover { color: var(--primary); background: var(--primary-soft); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { height: 34px; padding: 0 14px; font-size: var(--fs-xs); }
.btn-lg { height: 50px; padding: 0 32px; font-size: var(--fs-md); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== 卡片 ===== */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    box-shadow: var(--glass-shadow);
    padding: var(--s-3);
    transition: all var(--dur) var(--ease);
    display: flex;
    flex-direction: column;
}
.card:hover { box-shadow: var(--glass-shadow-hover); transform: translateY(-2px); }
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-2);
    margin-bottom: var(--s-2);
}
.card-title { font-size: var(--fs-lg); font-weight: 700; color: var(--text-1); }
.card-body { flex: 1; min-width: 0; }
.card-footer { margin-top: var(--s-2); padding-top: var(--s-2); border-top: 1px solid var(--border); }

/* ===== 表单 ===== */
.form-group { margin-bottom: var(--s-3); }
.form-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    height: 44px;
    padding: 0 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-sm);
    font-size: var(--fs-md);
    color: var(--text-1);
    transition: all var(--dur) var(--ease);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
textarea.form-control { height: auto; padding: 12px 16px; resize: vertical; min-height: 120px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,..."); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
.form-hint { font-size: var(--fs-xs); color: var(--text-3); margin-top: 6px; }
.form-error { color: var(--danger); font-size: var(--fs-xs); margin-top: 6px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 24px; }
@media (max-width: 767px) { .form-grid { grid-template-columns: 1fr; } }

/* ===== 徽章/标签 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 10px;
    border-radius: 12px;
    font-size: var(--fs-xs);
    font-weight: 600;
    white-space: nowrap;
}
.badge-primary { background: var(--primary-soft); color: var(--primary); }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-muted { background: rgba(148, 163, 184, 0.15); color: var(--text-3); }

/* ===== 表格 ===== */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--r-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}
table.data {
    width: 100%;
    min-width: 600px;
}
table.data th, table.data td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: var(--fs-sm);
}
table.data th {
    font-weight: 600;
    color: var(--text-2);
    background: rgba(255, 255, 255, 0.4);
    position: sticky;
    top: 0;
}
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: rgba(99, 102, 241, 0.04); }

/* ===== 侧边栏布局 ===== */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}
.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    transition: transform var(--dur) var(--ease);
    z-index: 90;
}
.sidebar-logo {
    height: 68px;
    display: flex;
    align-items: center;
    padding: 0 var(--s-3);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--primary);
    gap: 10px;
    border-bottom: 1px solid var(--border);
}
.sidebar-nav { flex: 1; overflow-y: auto; padding: var(--s-2); }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--r-sm);
    color: var(--text-2);
    font-size: var(--fs-sm);
    font-weight: 500;
    transition: all var(--dur) var(--ease);
    margin-bottom: 4px;
    white-space: nowrap;
}
.sidebar-nav a:hover { background: var(--primary-soft); color: var(--primary); }
.sidebar-nav a.active { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3); }
.sidebar-nav .nav-icon { font-size: 18px; width: 20px; text-align: center; }
.main-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}
.page-header {
    flex-shrink: 0;
    padding: var(--s-3) var(--s-4);
    border-bottom: 1px solid var(--border);
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.page-body { padding: var(--s-3) var(--s-4); flex: 1; overflow-y: auto; }
/* fitScreen：仅 PC 端生效，移动端正常滚动 */
.page-body.fit-screen { overflow-y: hidden; display: flex; flex-direction: column; }
@media (max-width: 768px) {
    .page-body.fit-screen { overflow-y: auto; display: block; }
}
.page-title { font-size: var(--fs-2xl); font-weight: 700; color: var(--text-1); }
.page-subtitle { color: var(--text-3); font-size: var(--fs-sm); margin-top: 4px; }

.sidebar-toggle { display: none; }
.sidebar-overlay { display: none; }

@media (max-width: 991px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        box-shadow: 0 0 40px rgba(0,0,0,0.1);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.3);
        z-index: 89;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--dur);
    }
    .sidebar-overlay.show { opacity: 1; pointer-events: auto; }
    .sidebar-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: var(--r-sm);
        background: var(--glass-bg);
        border: 1px solid var(--border);
        font-size: 20px;
    }
    .page-header, .page-body { padding-left: var(--s-2); padding-right: var(--s-2); }
}

/* ===== 统计卡片 ===== */
.stat-card {
    padding: var(--s-3);
}
.stat-value { font-size: var(--fs-3xl); font-weight: 800; color: var(--text-1); line-height: 1.2; }
.stat-label { font-size: var(--fs-sm); color: var(--text-3); margin-top: 4px; }
.stat-icon { width: 48px; height: 48px; border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-size: 24px; background: var(--primary-soft); }

/* ===== 进度条 ===== */
.progress {
    height: 10px;
    background: rgba(148, 163, 184, 0.2);
    border-radius: 5px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 5px;
    transition: width 0.6s var(--ease);
}

/* ===== 模态框 ===== */
.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s-2);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur);
}
.modal-mask.show { opacity: 1; pointer-events: auto; }
.modal {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(24px) saturate(200%);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.96);
    transition: transform var(--dur);
}
.modal-mask.show .modal { transform: translateY(0) scale(1); }
.modal-header {
    padding: var(--s-3) var(--s-3) var(--s-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}
.modal-title { font-size: var(--fs-lg); font-weight: 700; display: flex; align-items: center; min-width: 0; }
.modal-close { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--text-3); }
.modal-close:hover { background: var(--danger-soft); color: var(--danger); }
.modal-body { padding: var(--s-3); }
.modal-footer { padding: var(--s-2) var(--s-3) var(--s-3); display: flex; justify-content: flex-end; gap: var(--s-1); border-top: 1px solid var(--border); }

/* ===== Toast 提示 ===== */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.toast {
    padding: 14px 20px;
    border-radius: var(--r-sm);
    background: var(--glass-bg-strong);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    font-size: var(--fs-sm);
    font-weight: 500;
    min-width: 240px;
    animation: toastIn 0.3s var(--ease);
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }
@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ===== 分页 ===== */
.pagination { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; margin-top: var(--s-3); }
.pagination a, .pagination span {
    min-width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border-radius: var(--r-sm);
    background: var(--glass-bg);
    border: 1px solid var(--border);
    font-size: var(--fs-sm);
    color: var(--text-2);
    cursor: pointer;
    transition: all var(--dur);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 空状态 ===== */
.empty-state {
    padding: var(--s-5) var(--s-3);
    text-align: center;
    color: var(--text-3);
}
.empty-state .empty-icon { font-size: 64px; margin-bottom: var(--s-2); opacity: 0.5; }
.empty-state p { font-size: var(--fs-md); }

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-3); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.font-bold { font-weight: 700; }
.mt-1 { margin-top: var(--s-1); } .mt-2 { margin-top: var(--s-2); } .mt-3 { margin-top: var(--s-3); } .mt-4 { margin-top: var(--s-4); }
.mb-1 { margin-bottom: var(--s-1); } .mb-2 { margin-bottom: var(--s-2); } .mb-3 { margin-bottom: var(--s-3); }
.mr-1 { margin-right: var(--s-1); } .ml-1 { margin-left: var(--s-1); }
.p-2 { padding: var(--s-2); } .p-3 { padding: var(--s-3); }
.w-full { width: 100%; }
.hidden { display: none !important; }
.cursor-pointer { cursor: pointer; }

/* ===== 动画 ===== */
.fade-in { animation: fadeIn 0.5s var(--ease); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.slide-up { animation: slideUp 0.4s var(--ease); }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 加载中 */
.loading { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.8s linear infinite; }
.loading-dark { border-color: rgba(99,102,241,0.2); border-top-color: var(--primary); }

/* ===== 夜间模式文字颜色调亮（深色背景上的深色文字改为浅色） ===== */
html.dark-mode, body.dark-mode {
    --text-1: #f1f5f9;
    --text-2: #cbd5e1;
    --text-3: #94a3b8;
    --text-muted: #94a3b8;
    --bg-1: #0f172a;
    --bg-2: #1e293b;
    --bg-card: #1e293b;
    --bg-muted: rgba(30, 41, 59, 0.6);
    --glass-bg: rgba(30, 41, 59, 0.65);
    --glass-bg-strong: rgba(30, 41, 59, 0.82);
    --glass-border: rgba(148, 163, 184, 0.25);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --border: rgba(148, 163, 184, 0.2);
    --border-strong: rgba(148, 163, 184, 0.35);
}
html.dark-mode body, body.dark-mode .card,
body.dark-mode .navbar,
body.dark-mode .page-header,
body.dark-mode .clock-chip,
body.dark-mode #weatherInfo,
body.dark-mode .stat-card {
    color: var(--text-1);
}
html.dark-mode .text-muted,
body.dark-mode .text-muted,
body.dark-mode .stat-label,
body.dark-mode .card-title {
    color: var(--text-2) !important;
}
html.dark-mode a:not(.btn):not(.nav-menu a),
body.dark-mode a:not(.btn):not(.nav-menu a) {
    color: var(--text-2);
}
body.dark-mode .form-control {
    background: rgba(30, 41, 59, 0.8);
    color: var(--text-1);
    border-color: var(--border-strong);
}
body.dark-mode input,
body.dark-mode textarea,
body.dark-mode select {
    color: var(--text-1);
}
body.dark-mode .badge-muted {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-2);
}
body.dark-mode .empty-state p,
body.dark-mode .text-danger,
body.dark-mode .text-success {
    color: var(--text-2) !important;
}
/* 个人中心 tab 样式已在 profile.php 内联CSS中定义，此处不重复 */
/* 表格在夜间模式适配 */
body.dark-mode .data,
body.dark-mode .data th,
body.dark-mode .data td {
    color: var(--text-1);
    border-color: var(--border-strong);
}
body.dark-mode .data th {
    background: rgba(30, 41, 59, 0.9) !important;
}
body.dark-mode .table-wrap {
    background: rgba(30, 41, 59, 0.3);
}
/* 顶部、侧边栏等过渡动画（防闪烁） */
.page-header, .card, .navbar, .clock-chip, #weatherInfo, .stat-card,
.profile-tab, .profile-tabs, .data th, .form-control, .badge-muted, .table-wrap {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}