/* ==========================================================================
   GOST 面板 · 全局样式（北欧极简 · 亮/暗双模）
   设计语言：中性灰底 · 大圆角浅卡 · 弱阴影 · 胶囊分段控件 ·
             细字重大数字 · 绿色仅用于选中/开关/主操作/数据强调
   ========================================================================== */

:root {
  /* 浅色 */
  --color-bg: #ececee;
  --color-surface: #fafafa;
  --color-surface-strong: #ffffff;
  --color-surface-secondary: #f0f0f1;
  --color-text-primary: #1c1c1e;
  --color-text-secondary: #5a5a5e;
  --color-text-tertiary: #77777d;
  --color-border: rgba(28, 28, 30, .10);
  --color-border-light: rgba(28, 28, 30, .07);
  --color-accent: #2e9e6b;
  --color-accent-soft: rgba(46, 158, 107, .14);
  --color-accent-inverse: #ffffff;
  --color-gold: #9a7433;
  --color-error: #c0392b;
  --color-warn: #b26a00;
  --color-overlay: rgba(20, 20, 22, .45);
  --shadow: 0 1px 4px rgba(0, 0, 0, .05);
  --shadow-float: 0 1px 5px rgba(0, 0, 0, .12);
  --shadow-pop: 0 12px 36px rgba(0, 0, 0, .14);

  /* 圆角体系（克制的小圆角） */
  --radius-xs: 6px;
  --radius-sm: 9px;
  --radius-md: 11px;
  --radius-lg: 12px;
  --radius-xl: 15px;
  --radius-pill: 999px;

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 24px;
  --space-3xl: 32px;
  --space-4xl: 40px;
  --page-max-width: 1360px;

  /* 字体 */
  --font-sans: "Inter", -apple-system, "SF Pro Display", "PingFang SC",
    "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Noto Sans CJK SC",
    "WenQuanYi Micro Hei", Arial, sans-serif;
  --font-display: var(--font-sans);
  --font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace;

  /* 字号 */
  --text-h1: clamp(30px, 4.6vw, 50px);
  --text-h2: 1.5rem;
  --text-h3: 1rem;
  --text-body: 0.9375rem;
  --text-caption: 0.8125rem;
  --text-label: 0.6875rem;

  --nd-glow-a: rgba(255, 255, 255, .35);
  --nd-glow-b: rgba(255, 255, 255, .18);
  --nd-card-bg: rgba(250, 250, 251, .93);
  --nd-card-line: rgba(255, 255, 255, .85);
  --nd-inner: rgba(255, 255, 255, .7);
  --nd-shadow-card: 0 12px 32px rgba(96, 102, 106, .12), 0 1.5px 4px rgba(96, 102, 106, .06);
  color-scheme: light;
}

[data-theme="dark"] {
  --color-bg: #1b1c1e;
  --color-surface: #232427;
  --color-surface-strong: #2a2b2f;
  --color-surface-secondary: #1d1e21;
  --color-text-primary: #f2f2f3;
  --color-text-secondary: #a9aaaf;
  --color-text-tertiary: #8b8c92;
  --color-border: rgba(255, 255, 255, .09);
  --color-border-light: rgba(255, 255, 255, .06);
  --color-accent: #3ecf8e;
  --color-accent-soft: rgba(62, 207, 142, .13);
  --color-accent-inverse: #07281a;
  --color-gold: #d9bc85;
  --color-error: #ff9295;
  --color-warn: #d9bc85;
  --color-overlay: rgba(10, 10, 12, .6);
  --shadow: 0 1px 4px rgba(0, 0, 0, .3);
  --shadow-float: 0 1px 5px rgba(0, 0, 0, .4);
  --shadow-pop: 0 12px 36px rgba(0, 0, 0, .5);
  --nd-glow-a: rgba(255, 255, 255, .05);
  --nd-glow-b: rgba(255, 255, 255, .03);
  --nd-card-bg: rgba(38, 39, 43, .92);
  --nd-card-line: rgba(255, 255, 255, .08);
  --nd-inner: rgba(255, 255, 255, .06);
  --nd-shadow-card: 0 12px 32px rgba(0, 0, 0, .38), 0 1.5px 5px rgba(0, 0, 0, .22);
  color-scheme: dark;
}

/* ---------- 基础 ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--color-text-primary) 22%, transparent); border-radius: 8px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--color-text-primary) 38%, transparent); background-clip: content-box; border: 3px solid transparent; }
::-webkit-scrollbar-corner { background: transparent; }
* { scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--color-text-primary) 25%, transparent) transparent; }
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body {
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--nd-glow-a), transparent 65%),
    radial-gradient(1000px 560px at 95% 108%, var(--nd-glow-b), transparent 60%),
    var(--color-bg);
  background-attachment: fixed;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--color-accent); color: var(--color-accent-inverse); }

.hidden { display: none !important; }
.mono { font-family: var(--font-mono); font-size: .8125rem; }
.muted { color: var(--color-text-secondary); }
.tertiary { color: var(--color-text-tertiary); }
.error-text { color: var(--color-error); }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
a { color: inherit; text-decoration: none; }

.icon { width: 16px; height: 16px; display: inline-block; vertical-align: -3px; flex: 0 0 auto; color: currentColor; }
.icon.lg { width: 20px; height: 20px; }
.icon.sm { width: 14px; height: 14px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm);
  padding: 10px 22px; font-size: .875rem; font-weight: 650; font-family: inherit;
  border: none; border-radius: 10px;
  background: var(--color-accent); color: var(--color-accent-inverse);
  cursor: pointer; white-space: nowrap; letter-spacing: .01em;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .12), 0 4px 14px var(--color-accent-soft), inset 0 1px 0 rgba(255, 255, 255, .22);
  transition: transform .16s cubic-bezier(.34,1.3,.64,1), filter .16s ease, box-shadow .16s ease;
}
.btn:hover { filter: brightness(1.07); box-shadow: 0 2px 4px rgba(0, 0, 0, .14), 0 8px 22px var(--color-accent-soft), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn:active { transform: scale(.965); }
.btn.secondary { background: color-mix(in srgb, var(--color-surface-strong) 90%, transparent); color: var(--color-text-primary); font-weight: 600; box-shadow: var(--shadow), inset 0 1px 0 var(--nd-inner); }
.btn.secondary:hover { background: color-mix(in srgb, var(--color-surface-secondary) 82%, var(--color-text-primary) 8%); filter: none; }
.btn.ghost { background: transparent; color: var(--color-text-secondary); border: none; padding: 8px 14px; font-weight: 600; font-size: .8125rem; border-radius: 9px; }
.btn.ghost:hover { color: var(--color-text-primary); background: var(--color-surface-secondary); }
.btn.sm { padding: 8px 16px; font-size: .8125rem; }
.btn.danger { background: transparent; color: var(--color-error); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-error) 45%, transparent); }
.btn.danger:hover { background: color-mix(in srgb, var(--color-error) 10%, transparent); filter: none; }
.btn:disabled, .btn.disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }
button { border-radius: inherit; font-family: inherit; }
input, select, textarea, button { border-color: var(--color-border); }
.btn-group { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

/* ---------- 表单 ---------- */
.field { margin-bottom: var(--space-xl); }
.field > label:not(.switch), .field > .label, .label {
  display: block; font-size: var(--text-label); font-weight: 650;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-text-tertiary); margin-bottom: var(--space-sm);
}
input[type="text"], input[type="password"], input[type="number"], input[type="search"], select, textarea {
  width: 100%; background: color-mix(in srgb, var(--nd-card-bg) 70%, var(--color-surface-strong) 30%);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  color: var(--color-text-primary); font-family: inherit; font-size: .9375rem;
  padding: 11px 15px; outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
[data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea { background: var(--color-surface-secondary); }
input::placeholder, textarea::placeholder { color: var(--color-text-tertiary); }
input:focus, select:focus, textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}
input:disabled, select:disabled, textarea:disabled { opacity: .5; cursor: not-allowed; }
textarea { min-height: 80px; resize: vertical; font-family: var(--font-mono); font-size: .8125rem; line-height: 1.8; }
select { appearance: none; padding-right: 34px; background-image: none; cursor: pointer; }
select::-ms-expand { display: none; }
.field .hint { margin-top: var(--space-sm); font-size: var(--text-caption); color: var(--color-text-tertiary); line-height: 1.7; }
.row { display: flex; gap: var(--space-lg); flex-wrap: wrap; }
.row > * { flex: 1 1 180px; min-width: 0; }
.row.tight { gap: var(--space-sm); }
.quota-row { flex-wrap: nowrap; }
.quota-row > input { flex: 1 1 0; min-width: 0; }
.quota-row > select { flex: 0 0 74px; }

/* 开关 */
.switch { display: flex; align-items: flex-start; gap: var(--space-md); cursor: pointer; user-select: none; margin: 0; font-weight: 400; text-transform: none; letter-spacing: normal; }
.field > label.switch { margin-bottom: var(--space-sm); }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.switch .track {
  flex: 0 0 44px; width: 44px; height: 24px; border-radius: var(--radius-pill);
  background: var(--color-text-tertiary); position: relative; margin-top: 2px; display: block;
  transition: background .32s cubic-bezier(.32, .72, .26, 1), box-shadow .2s ease;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, .12);
}
.switch .track::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, .28), 0 1px 1px rgba(0, 0, 0, .12);
  transition: left .32s cubic-bezier(.34, 1.3, .64, 1), width .18s ease;
}
.switch:active .track::after { width: 21px; }
.switch input:focus-visible + .track { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.switch input:checked + .track { background: var(--color-accent); }
.switch input:checked + .track::after { left: 23px; }
.switch input:disabled + .track { opacity: .5; }
.switch .txt { display: block; font-size: var(--text-body); color: var(--color-text-primary); line-height: 1.5; }
.switch .desc { display: block; font-size: var(--text-caption); color: var(--color-text-tertiary); margin-top: 2px; line-height: 1.6; }
.switch > span:last-child { flex: 1 1 auto; min-width: 0; }

/* ---------- 布局：头部栏 ---------- */
.app { display: block; min-height: 100vh; }

.sidebar {
  position: sticky; top: 0; z-index: 40;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px;
  width: 100%; max-width: none; margin: 0;
  /* 全宽磨砂条：背景铺满视口，内容仍按页宽居中（左右 padding 把内容夹回 --page-max-width 列） */
  padding: 14px max(20px, calc((100% - var(--page-max-width)) / 2 + 20px)) 10px;
  /* 未滚动：完全透明；滚动后（body.scrolled）：与页面同色半透明 + 磨砂 */
  background: transparent;
  backdrop-filter: none; -webkit-backdrop-filter: none;
  transition: background .22s ease;
}
body.scrolled .sidebar {
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.brand {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0; margin: 0 -4px 0 -4px; padding: 4px 10px 4px 4px;
  border: 0; background: none; font: inherit; color: inherit; cursor: pointer; border-radius: 10px;
  transition: background .18s ease, transform .18s cubic-bezier(.34,1.3,.64,1);
}
.brand:hover { background: color-mix(in srgb, var(--color-text-primary) 6%, transparent); }
.brand:active { transform: scale(.97); }
.brand .brand-title {
  font-weight: 700; font-size: .9375rem; letter-spacing: -.01em; color: var(--color-text-primary);
  white-space: nowrap; max-width: 220px; overflow: hidden; text-overflow: ellipsis;
}
.brand .name {
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-primary); line-height: 0;
}
.brand .name svg { width: 30px; height: 30px; display: block; }
.brand .sub { display: none; }

/* 胶囊分段导航 */
.nav {
  display: flex; grid-column: 2; justify-self: center; justify-content: center;
  background: var(--nd-nav-bg, var(--color-surface-secondary));
  border-radius: 12px; padding: 4px; gap: 2px;
}
.nav a {
  display: block; padding: 8px 20px; border-radius: 9px; text-align: center;
  font-size: .8438rem; font-weight: 600; color: var(--color-text-secondary); cursor: pointer;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease;
}
.nav .icon { display: none !important; }
.nav a:hover { color: var(--color-text-primary); }
.nav a:not(.active):hover { background: color-mix(in srgb, var(--color-text-primary) 6%, transparent); }
.nav a.active {
  background: var(--color-surface-strong); color: var(--color-text-primary);
  box-shadow: var(--shadow-float);
}
[data-theme="dark"] .nav a.active { background: #3a3b41; }

.sidebar > .brand { grid-column: 1; justify-self: start; }
.sidebar > .actions { grid-column: 3; display: flex; align-items: center; gap: 8px; justify-content: flex-end; min-width: 0; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: var(--text-caption);
  color: var(--color-text-secondary); background: var(--color-surface-secondary);
  border: 0; border-radius: 7px; padding: 4px 12px; font-family: inherit;
}
.sidebar .chip {
  background: var(--color-surface-strong); color: var(--color-text-primary);
  padding: 9px 16px; font-size: .7813rem; font-weight: 600; box-shadow: var(--shadow);
  max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: var(--font-mono);
}
[data-theme="dark"] .sidebar .chip { background: var(--color-surface); }
.sidebar .btn.ghost, .topbar .actions .btn.ghost {
  background: var(--color-surface-strong); color: var(--color-text-secondary);
  min-width: 42px; height: 42px; padding: 0; border-radius: 10px; display: grid; place-items: center;
  box-shadow: var(--shadow);
}
[data-theme="dark"] .sidebar .btn.ghost, [data-theme="dark"] .topbar .actions .btn.ghost { background: var(--color-surface); }
.sidebar .btn.ghost:hover, .topbar .actions .btn.ghost:hover {
  color: var(--color-text-primary); transform: translateY(-1px);
  box-shadow: var(--shadow-float), inset 0 1px 0 var(--nd-inner);
}
.sidebar .btn.ghost:active, .topbar .actions .btn.ghost:active { transform: translateY(0) scale(.94); }
.sidebar .btn.ghost, .topbar .actions .btn.ghost { transition: transform .18s cubic-bezier(.34,1.3,.64,1), box-shadow .18s ease, color .18s ease, background .18s ease; }
.sidebar .btn.ghost#logoutBtn { width: auto; min-width: 0; padding: 0 16px; font-size: .8125rem; }
.sidebar .actions a.btn { text-decoration: none; }
.sidebar-foot { display: none; }

/* ---------- 标题区 ---------- */
.topbar {
  max-width: var(--page-max-width); width: 100%; margin: 0 auto;
  padding: 22px 20px 0; background: transparent; border: 0;
  display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-lg);
  position: static; height: auto;
}
.topbar h1 {
  font-family: var(--font-display); font-size: var(--text-h1);
  font-weight: 275; letter-spacing: -.02em; line-height: 1.12; margin: 0;
  color: var(--color-text-primary);
}
.topbar .actions { display: flex; align-items: center; gap: var(--space-xs); }
.eyebrow { display: none; }
.hero-note { display: none; }
.hero-copy { color: var(--color-text-primary); }
.hero-copy p { margin: 7px 0 0; color: var(--color-text-secondary); font-weight: 450; letter-spacing: 0; font-size: .9063rem; font-family: var(--font-sans); }

/* ---------- 内容区 ---------- */
.content { width: 100%; max-width: var(--page-max-width); padding: 26px 20px 48px; margin: 0 auto; }
main { min-width: 0; }

/* 卡片 */
.card {
  background: var(--nd-card-bg); border: 1px solid var(--nd-card-line); border-radius: var(--radius-lg);
  padding: 20px 22px; box-shadow: var(--nd-shadow-card), inset 0 1px 0 var(--nd-inner);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.card + .card { margin-top: var(--space-2xl); }
/* 网格内的卡片由 gap 控制间距：清除相邻卡片上边距，避免拉伸错位 */
.grid .card + .card { margin-top: 0; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-lg); margin-bottom: var(--space-lg); flex-wrap: wrap; }
.card-head h2 { font-size: .9688rem; font-weight: 680; margin: 0; letter-spacing: -.005em; color: var(--color-text-primary); font-family: var(--font-sans); }
.card-head .desc { font-size: var(--text-caption); color: var(--color-text-tertiary); margin-top: 3px; line-height: 1.6; overflow-wrap: anywhere; word-break: break-all; max-width: 100%; }
.card-sub { background: color-mix(in srgb, var(--color-text-primary) 4.5%, transparent); border: 1px solid var(--color-border-light); border-radius: var(--radius-md); padding: var(--space-xl); }
.section-label { font-size: var(--text-label); font-weight: 650; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-tertiary); margin: var(--space-3xl) 0 var(--space-md); border-bottom: 0; padding-bottom: 0; }
.section-label:first-child { margin-top: 0; }

.grid { display: grid; gap: var(--space-xl); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cards { gap: 12px; align-items: stretch; }
.grid.cards .card { padding: 18px 20px; min-height: 0; }

/* KPI 指标 */
.metric { display: flex; flex-direction: column; height: 100%; }
.metric .k { font-size: 11px; font-weight: 650; letter-spacing: .10em; text-transform: uppercase; color: var(--color-text-tertiary); margin-bottom: var(--space-md); }
.metric .v { font-size: clamp(26px, 2.6vw, 33px); font-weight: 300; letter-spacing: -.015em; line-height: 1.05; color: var(--color-text-primary); font-family: var(--font-sans); }
.metric .v small { font-size: .875rem; font-weight: 550; color: var(--color-text-tertiary); margin-left: 3px; }
.metric .s { font-size: 11.5px; color: var(--color-text-secondary); margin-top: auto; padding-top: var(--space-sm); }

/* 主机负载卡 */
.host-card { display: flex; align-items: center; justify-content: space-between; gap: var(--space-xl); }
.host-card .host-text { min-width: 0; }
.host-card .host-bar { flex: 0 0 132px; width: 132px; }
.host-card .host-bar .meter { margin-top: 0; }
.host-card .metric .v { font-size: 24px; }
.host-card .metric .s { margin-top: 4px; }

/* 进度条 */
.meter { height: 5px; border-radius: var(--radius-pill); background: color-mix(in srgb, var(--color-text-primary) 10%, transparent); overflow: hidden; margin-top: var(--space-sm); }
.meter > i { display: block; height: 100%; border-radius: var(--radius-pill); background: var(--color-accent); box-shadow: 0 0 8px var(--color-accent-soft); transition: width .5s cubic-bezier(.32,.72,.26,1); }
.meter > i.warn { background: var(--color-gold); }
.meter > i.bad { background: var(--color-error); }

/* kv 列表 */
.kv { display: grid; grid-template-columns: 110px 1fr; gap: var(--space-md) var(--space-lg); font-size: var(--text-body); }
.kv .k { color: var(--color-text-tertiary); font-size: var(--text-caption); padding-top: 3px; }
.kv .v { word-break: break-all; overflow-wrap: anywhere; min-width: 0; }
.card, .card-head, .card-head > div, .row, .field { min-width: 0; max-width: 100%; }
#view-system .mono, #view-system code { overflow-wrap: anywhere; word-break: break-all; }
#view-system .card { overflow-wrap: anywhere; }

/* ---------- 表格 ---------- */
.table-wrap { border: 0; border-radius: var(--radius-lg); background: var(--nd-card-bg); overflow-x: auto; box-shadow: none; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.card .table-wrap { background: transparent; border: 0; backdrop-filter: none; -webkit-backdrop-filter: none; }
table { width: 100%; border-collapse: collapse; font-size: var(--text-body); }
th {
  background: transparent; color: var(--color-text-tertiary);
  font-size: .7188rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase;
  text-align: left; padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border); white-space: nowrap;
}
td { padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--color-border-light); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background .18s ease; }
tbody tr:hover { background: color-mix(in srgb, var(--color-text-primary) 4.5%, transparent); }
.node-workspace tbody tr:hover { background: transparent; }
.node-workspace tbody tr td { transition: background .18s ease; }
.node-workspace tbody tr:hover td { background: color-mix(in srgb, var(--color-text-primary) 4%, transparent); }
.node-workspace tbody tr:hover td:first-child { border-top-left-radius: 14px; border-bottom-left-radius: 14px; }
.node-workspace tbody tr:hover td:last-child { border-top-right-radius: 14px; border-bottom-right-radius: 14px; }
td.nowrap.mono, td .port-num { font-variant-numeric: tabular-nums; }
td.ops { white-space: nowrap; }
td.ops .btn { padding: 6px 12px; font-size: .75rem; }

/* ---------- 标签 / 徽章 / 状态 ---------- */
.tag { display: inline-block; background: color-mix(in srgb, var(--color-text-primary) 6%, transparent); border: 1px solid var(--color-border-light); border-radius: 6px; color: var(--color-text-secondary); font-size: .75rem; font-weight: 600; padding: 2px 10px; }
.badge { display: inline-block; background: var(--color-accent); color: var(--color-accent-inverse); font-size: .625rem; font-weight: 650; padding: 3px 10px; border-radius: 6px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-text-tertiary); display: inline-block; flex: 0 0 8px; }
.status-dot.ok { background: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.status-dot.bad { background: var(--color-error); }
.status-inline { display: inline-flex; align-items: center; gap: 6px; font-size: var(--text-caption); font-weight: 600; }
.status-inline .status-dot { margin-top: -1px; }
.status-inline:has(.ok) { color: var(--color-accent); }

/* ---------- 节点工作区 ---------- */
.nodes-layout { display: block; }
.node-workspace { padding: 22px; }
.node-workspace td { padding: 14px 14px; }
.node-workspace th { padding: 12px 14px; }
.node-workspace tbody tr td:first-child { padding-left: 18px; }
.node-workspace tbody tr td:last-child { padding-right: 18px; }
.nodes-toolbar { align-items: center; margin-bottom: var(--space-xl); }
.node-select { display: flex; align-items: center; gap: 10px; cursor: pointer; background: none; border: 0; padding: 0; margin: 0; font: inherit; color: inherit; text-align: left; border-radius: var(--radius-sm); }
.node-select > .icon { display: none; }
.node-select:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; }
.node-select b { font-size: .9375rem; font-weight: 650; letter-spacing: -.002em; max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; line-height: 1.35; }
.node-select small { display: block; font-size: .6875rem; color: var(--color-text-tertiary); font-family: var(--font-mono); max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 3px; line-height: 1.4; }
.node-workspace .status-inline { font-size: 12px; }
.node-toggle { background: none; border: 0; padding: 4px; cursor: pointer; display: inline-block; }
.toggle-track {
  width: 40px; height: 22px; border-radius: var(--radius-pill); background: var(--color-text-tertiary);
  display: block; position: relative; box-shadow: inset 0 1px 3px rgba(0, 0, 0, .12);
  transition: background .32s cubic-bezier(.32, .72, .26, 1);
}
.toggle-track::after {
  content: ""; position: absolute; width: 16px; height: 16px; top: 3px; left: 3px; background: #fff; border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .28), 0 1px 1px rgba(0, 0, 0, .12);
  transition: transform .32s cubic-bezier(.34, 1.3, .64, 1);
}
.node-toggle[aria-checked="true"] .toggle-track { background: var(--color-accent); }
.node-toggle[aria-checked="true"] .toggle-track::after { transform: translateX(18px); }
.node-toggle.pending .toggle-track { opacity: .55; pointer-events: none; }
.node-quota .meter > i { background: var(--color-accent); }
.node-quota .meter { height: 4px; margin-top: 7px; }
td .mono { line-height: 1.55; }
.node-quota { display: flex; flex-direction: column; gap: 2px; min-width: 150px; }
.node-quota > .mono:first-child { font-size: .875rem; color: var(--color-text-primary); font-family: var(--font-sans); font-weight: 550; }
.node-quota > .mono:not(:first-child) { font-size: .6875rem; color: var(--color-text-tertiary); }
.relay-note { padding: 16px 4px 2px; font-size: .7188rem; color: var(--color-text-tertiary); }
.relay-note summary { cursor: pointer; width: fit-content; font-weight: 600; }
.relay-note p { margin: 10px 0; max-width: 65em; line-height: 1.9; }

/* ---------- 图表 ---------- */
.chart-box { width: 100%; height: 240px; display: block; }
.chart-legend { display: flex; gap: var(--space-xl); font-size: var(--text-caption); color: var(--color-text-secondary); margin-top: var(--space-md); }
.chart-legend .swatch { width: 9px; height: 9px; display: inline-block; margin-right: 6px; vertical-align: -1px; border-radius: 3px; }
.chart-box { cursor: crosshair; }

/* 图表悬停数据卡：绝对定位浮在曲线上方，不占文档流 */
.chart-tip {
  position: absolute; z-index: 60; pointer-events: none;
  left: 0; top: 0;
  background: var(--color-surface-strong); border: 1px solid var(--color-border);
  border-radius: 10px; padding: 10px 14px; min-width: 180px;
  box-shadow: var(--shadow-pop); font-size: .8125rem; line-height: 1.7;
  color: var(--color-text-secondary);
  transition: left .05s linear, top .05s linear;
}
.chart-tip.hidden { display: none; }
.chart-tip .ct-date { font-weight: 700; margin-bottom: 4px; font-size: .75rem; color: var(--color-text-primary); }
.chart-tip .ct-row { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.chart-tip .ct-row i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; flex: 0 0 8px; }
.chart-tip .ct-row b { margin-left: auto; font-family: var(--font-mono); font-weight: 650; color: var(--color-text-primary); }
.chart-tip .ct-total { border-top: 1px dashed var(--color-border); margin-top: 5px; padding-top: 5px; }

/* ---------- 提示条 ---------- */
.notice {
  background: color-mix(in srgb, var(--color-text-primary) 7%, var(--color-surface-strong));
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 14px 18px;
  font-size: var(--text-caption); line-height: 1.7; margin: var(--space-md) 0;
}
.notice.err { background: color-mix(in srgb, var(--color-error) 10%, var(--color-surface)); color: var(--color-error); }
.notice.warn { background: color-mix(in srgb, var(--color-gold) 13%, var(--color-surface)); color: var(--color-text-primary); }
.notice b { color: var(--color-text-primary); }

/* ---------- 弹层 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  background: var(--color-overlay); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  padding: 24px; overflow: auto;
}
.modal-box {
  background: color-mix(in srgb, var(--color-surface-strong) 92%, transparent); border: 1px solid var(--nd-card-line);
  border-radius: var(--radius-xl);
  padding: 26px; width: 100%; max-width: 680px; max-height: 88vh; overflow-y: auto;
  box-shadow: var(--shadow-pop), inset 0 1px 0 var(--nd-inner); position: relative; margin: auto;
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
}
.modal-box.wide { max-width: 960px; }
[data-theme="dark"] .modal-box { background: var(--color-surface); }
.modal-close { position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; border: 0; border-radius: 10px; background: var(--color-surface-secondary); color: var(--color-text-secondary); font-size: 18px; line-height: 1; cursor: pointer; display: grid; place-items: center; padding: 0; }
.modal-close:hover { color: var(--color-text-primary); }
.modal-box h2 { font-size: 1.125rem; font-weight: 700; margin: 0 0 var(--space-lg); letter-spacing: -.01em; color: var(--color-text-primary); font-family: var(--font-sans); }
.modal-actions {
  display: flex; justify-content: flex-end; gap: var(--space-sm);
  margin-top: var(--space-2xl); padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border-light);
}
pre.logs {
  background: var(--color-surface-secondary); border-radius: var(--radius-md);
  padding: 16px; margin: 0; font-family: var(--font-mono); font-size: .75rem; line-height: 1.8;
  max-height: 420px; overflow: auto; white-space: pre-wrap; word-break: break-all;
  color: var(--color-text-secondary);
}
.code-box {
  background: var(--color-surface-secondary); border: 0; border-radius: var(--radius-md);
  padding: 14px 16px; font-family: var(--font-mono); font-size: .8125rem; line-height: 1.8;
  word-break: break-all; max-height: 160px; overflow: auto;
}
.command-block { margin: 0; max-height: 320px; white-space: pre-wrap; word-break: normal; overflow-wrap: anywhere; }
.command-block code { font: inherit; }

/* 二维码（白底圆角） */
.qr { width: 200px; height: 200px; background: #ffffff; border: 0; border-radius: var(--radius-md); padding: var(--space-sm); display: flex; align-items: center; justify-content: center; }
.qr img { width: 100%; height: 100%; image-rendering: pixelated; }

/* dropdown（JS 按按钮位置 fixed 定位） */
.dropdown { position: relative; display: inline-block; }
.dropdown-toggle { gap: 4px; }
.dropdown-toggle .icon { width: 14px; height: 14px; }
.dropdown-menu {
  position: fixed; right: auto; left: 0; top: 0; min-width: 176px; z-index: 60;
  background: color-mix(in srgb, var(--color-surface-strong) 94%, transparent); border: 1px solid var(--nd-card-line);
  border-radius: var(--radius-md); box-shadow: var(--shadow-pop);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  display: none; flex-direction: column; overflow: hidden; padding: 5px;
}
[data-theme="dark"] .dropdown-menu { background: var(--color-surface); }
.dropdown.open .dropdown-menu { display: flex; }
body > .dropdown-menu { display: flex; margin: 0; }
.dropdown-menu button {
  display: flex; align-items: center; gap: 9px; width: 100%;
  background: none; border: 0; border-radius: 10px;
  color: var(--color-text-primary); font-family: inherit; font-size: .8438rem;
  text-align: left; padding: 9px 12px; cursor: pointer; white-space: nowrap;
}
.dropdown-menu button:hover { background: var(--color-surface-secondary); }
.dropdown-menu button.danger { color: var(--color-error); }
.dropdown-menu button .icon { width: 14px; height: 14px; flex: 0 0 auto; }

/* 自定义确认弹窗 */
.confirm-box { max-width: 400px; padding: 20px; }
.confirm-box h2 { margin: 0 0 10px; font-size: 1rem; }
.confirm-box .confirm-msg { margin: 0 0 18px; color: var(--color-text-secondary); font-size: .875rem; line-height: 1.6; }
.confirm-actions { display: flex; justify-content: flex-end; gap: 8px; }
.btn.danger { background: var(--color-error); color: #fff; }
.btn.danger:hover { filter: brightness(1.08); }

/* 右上角用户菜单按钮：纯用户名，宽度自适应 */
#userBtn { display: inline-flex; align-items: center; width: auto; min-width: 0; max-width: 160px; padding: 0 14px; font-size: .8125rem; }
#userBtnName { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#userDropdown .dropdown-menu { min-width: 150px; }

/* toast：底部居中黑胶囊 */
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%); z-index: 200;
  background: var(--color-text-primary); color: var(--color-bg);
  border: 0; border-radius: 12px; padding: 12px 22px;
  font-size: .8438rem; font-weight: 600; box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
  max-width: min(80vw, 560px);
}
.toast.err { background: var(--color-error); color: #fff; }

/* tabs：胶囊分段 */
.tabs { display: flex; background: var(--color-surface-secondary); border: 0; border-radius: 12px; padding: 4px; width: fit-content; gap: 2px; }
.tabs button { border: 0; background: transparent; color: var(--color-text-secondary); padding: 7px 18px; border-radius: 9px; font-size: .8125rem; font-weight: 600; cursor: pointer; font-family: inherit; }
.tabs button:hover { background: transparent; color: var(--color-text-primary); }
.tabs button.active { background: color-mix(in srgb, var(--color-text-primary) 38%, var(--color-surface)); color: var(--color-text-primary); box-shadow: 0 2px 6px color-mix(in srgb, var(--color-text-primary) 14%, transparent); }
[data-theme="dark"] .tabs button.active { background: color-mix(in srgb, var(--color-text-primary) 22%, var(--color-surface)); color: var(--color-text-primary); }

/* empty */
.empty { padding: 56px var(--space-xl); text-align: center; color: var(--color-text-tertiary); font-size: .8125rem; }
.empty p { line-height: 2; margin: 12px 0 24px; }
.empty .btn { margin-top: var(--space-sm); }

/* 订阅页 */
.sub-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xl); margin-top: var(--space-lg); }
.sub-item { background: var(--color-surface-secondary); border-radius: var(--radius-md); padding: 16px; }
.sub-item .code-box { max-height: none; background: var(--color-surface-strong); }
[data-theme="dark"] .sub-item .code-box { background: var(--color-surface); }
.sub-qr { display: flex; align-items: center; gap: var(--space-lg); margin-top: var(--space-md); flex-wrap: wrap; }
.modal-box .sub-grid { margin-top: var(--space-md); }
.modal-box .sub-qr { gap: var(--space-md); }
.modal-box .qr { width: 168px; height: 168px; }

.loading { padding: var(--space-4xl); text-align: center; color: var(--color-text-tertiary); font-size: var(--text-caption); }

/* ---------- 登录 ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; gap: 56px; max-width: 1180px; margin: 0 auto; padding: 56px 24px; }
.login-intro { color: var(--color-text-primary); max-width: 480px; }
.login-intro .eyebrow { display: block; font-size: 12px; letter-spacing: .14em; color: var(--color-text-tertiary); font-weight: 650; }
.login-intro h2 { font-size: clamp(38px, 5.4vw, 62px); font-weight: 275; letter-spacing: -.02em; line-height: 1.12; margin: 22px 0; font-family: var(--font-sans); color: var(--color-text-primary); }
.login-intro p { color: var(--color-text-secondary); font-family: var(--font-sans); letter-spacing: 0; line-height: 2; }
.login-card {
  width: 100%; max-width: 400px; background: var(--nd-card-bg);
  border: 1px solid var(--nd-card-line); border-radius: var(--radius-xl); padding: 34px;
  box-shadow: 0 18px 50px color-mix(in srgb, var(--color-text-primary) 9%, transparent), inset 0 1px 0 var(--nd-inner);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.login-card h1 { font-size: 1.375rem; font-weight: 750; margin: 0 0 var(--space-sm); letter-spacing: -.01em; color: var(--color-text-primary); font-family: var(--font-sans); }
.login-card .sub { font-size: var(--text-caption); color: var(--color-text-tertiary); margin: 0 0 var(--space-3xl); }
.login-card .field > label { font-size: 12px; }
.login-card .btn { width: 100%; margin-top: var(--space-sm); }

/* ---------- 页脚 ---------- */
.app-footer {
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
  margin: auto auto 0; padding: 8px 20px 26px; max-width: var(--page-max-width); width: 100%;
  font-size: 11px; color: var(--color-text-tertiary); letter-spacing: .02em;
}
.app-footer i { font-style: normal; margin-left: 10px; color: var(--color-text-secondary); font-weight: 600; }
.footer-status { display: flex; align-items: center; gap: 8px; }

/* 菜单按钮（新布局不再侧滑） */
.menu-btn { display: none !important; }

/* ---------- 响应式 ---------- */
@media (max-width: 1120px) {
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .sidebar { padding: 12px 14px 4px; gap: 8px; display: flex; flex-wrap: wrap; }
  .sidebar > .brand { order: 0; flex: 0 0 auto; }
  .sidebar > .actions { order: 1; flex: 0 0 auto; margin-left: auto; }
  .nav { order: 2; width: 100%; flex: 1 1 100%; }
  .nav a { flex: 1; padding: 8px 0; min-width: 0; }
  .sidebar .chip { display: none; }
  #userBtn { padding: 0 12px; }
  .topbar { padding: 16px 14px 0; }
  .content { padding: 18px 14px 40px; }
  .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .host-card { display: block; }
  .host-card .host-bar { width: 100%; margin-top: 12px; }
  .login-wrap { gap: 36px; padding: 40px 20px; }
  .node-workspace { padding: 18px 14px 8px; }
  .node-workspace table { min-width: 660px; }
  .sub-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
  .topbar h1 { font-size: 30px; }
  .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: minmax(0, 1fr); }
  .grid.cards { gap: 10px; }
  .grid.cards .card { padding: 16px; }
  .metric .v { font-size: 27px; }
  .metric .s { font-size: 11px; }
  .card { padding: 16px; border-radius: 12px; }
  .sidebar .actions a { display: none; }
  .sidebar > .actions { gap: 6px; }
  .nav { gap: 0; }
  .nav a { padding: 8px 2px; font-size: 13px; letter-spacing: -.01em; }
  .node-workspace table { min-width: 0; }
  .node-workspace th:nth-child(2), .node-workspace td:nth-child(2),
  .node-workspace th:nth-child(3), .node-workspace td:nth-child(3) { display: none; }
  .node-workspace th, .node-workspace td { padding-left: 6px; padding-right: 6px; }
  .node-select .icon { display: none; }
  .node-select b { font-size: 15px; max-width: 145px; }
  .node-select small { max-width: 145px; font-size: 10px; }
  .node-toggle { display: flex; padding: 2px 0 4px; }
  .node-workspace .status-inline { font-size: 10px; }
  .node-workspace td.ops .btn { padding: 6px; }
  .chart-box { height: 190px; }
  .modal { padding: 18px 10px; }
  .modal-box { padding: 22px 18px; border-radius: 16px; }
  .login-wrap { min-height: 100svh; flex-direction: column; justify-content: center; padding: 26px 20px; gap: 28px; }
  .login-intro h2 { font-size: 34px; margin: 14px 0; }
  .login-intro h2 br { display: initial; }
  .login-intro p { display: none; }
  .login-card { padding: 26px; }
  .app-footer { padding: 4px 16px 24px; font-size: 10px; }
  .app-footer i { display: none; }
  .footer-status { order: 3; flex-basis: 100%; }
  .kv { grid-template-columns: 84px 1fr; }
  .toast { bottom: 24px; }
  .content { overflow-x: clip; }
  #view-system .card-sub, #view-system .code-box, #view-system .command-block { max-width: 100%; overflow-x: auto; }
  #view-system .row > * { flex-basis: 100%; }
  .modal-box .row > * { flex-basis: auto; }
}

/* ---------------- 两步验证 ---------------- */
.login-step-hint { font-size: var(--text-caption); color: var(--color-text-secondary); line-height: 1.8; margin-bottom: var(--space-xl); }
.login-card .login-back { display: block; width: auto; margin: var(--space-sm) auto 0; }
.login-card .switch .desc { display: block; }
.tfa-setup { display: flex; gap: var(--space-xl); align-items: flex-start; flex-wrap: wrap; }
.tfa-setup-info { flex: 1 1 220px; min-width: 0; }
.tfa-tip { font-size: var(--text-caption); color: var(--color-text-secondary); line-height: 1.8; margin: 0 0 var(--space-md); }
.tfa-secret-label { font-size: var(--text-caption); color: var(--color-text-tertiary); margin-bottom: 6px; }
.tfa-secret { padding: 10px 12px; border-radius: var(--radius-sm); background: var(--color-surface-secondary); letter-spacing: .08em; word-break: break-all; margin-bottom: 8px; }
.codes-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: var(--space-md); }
.codes-grid span { padding: 8px 10px; border-radius: var(--radius-sm); background: var(--color-surface-secondary); text-align: center; letter-spacing: .06em; word-break: break-all; }
@media (max-width: 560px) {
  .codes-grid { grid-template-columns: 1fr; }
  .tfa-setup { justify-content: center; }
}

/* 无毛玻璃支持时退回不透明卡面 */
@supports not (backdrop-filter: blur(2px)) {
  .card, .table-wrap, .login-card { background: var(--color-surface); }
  .modal-box, .dropdown-menu { background: var(--color-surface-strong); }
}