/* ============================================================
   云端用量面板 · 设计系统
   Modern Minimalism + 克制的 Glassmorphism（玻璃只用于浮层）
   ============================================================ */

:root {
  /* 色板 */
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #e9ecf1;
  --border-strong: #c4c5d8;
  --ink: #191c1e;
  --ink-2: #444655;
  --mute: #6c6d7b; /* §13 axe：原 #757687 对比度 4.47<4.5（serious violation），同色相加深 */

  --brand-700: #173cda;
  --brand-500: #3b59f2;
  --brand-100: #dee0ff;
  --brand-50: #eef1ff;

  --ok: #10b981;
  --ok-bg: #e7f7f1;
  --warn: #f59e0b;
  --warn-bg: #fdf3e3;
  --crit: #ef4444;
  --crit-bg: #fdecec;

  /* token 构成语义色（缓存类 = periwinkle-violet） */
  --seg-input: #64748b;
  --seg-output: #3b59f2;
  --seg-cacher: #8b5cf6;
  --seg-cachew: #a78bfa;
  --seg-uncls: #96a0b5;

  /* 热力图阶梯 */
  --hm-0: #eceef3;
  --hm-1: #dbe2ff;
  --hm-2: #aebcff;
  --hm-3: #7c8ef8;
  --hm-4: #4d63f0;
  --hm-5: #173cda;

  /* 字体 */
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* 圆角 */
  --r-card: 24px;
  --r-md: 12px;
  --r-sm: 4px;
  --r-pill: 999px;

  /* 阴影（#0d1626 色调，低不透明多层扩散） */
  --sh-1: 0 1px 2px rgba(13, 22, 38, 0.04), 0 6px 20px rgba(13, 22, 38, 0.04);
  --sh-2: 0 2px 6px rgba(13, 22, 38, 0.05), 0 14px 34px rgba(13, 22, 38, 0.07);
  --sh-glass: 0 4px 12px rgba(13, 22, 38, 0.08), 0 16px 44px rgba(13, 22, 38, 0.1);

  /* ── transitions-dev motion tokens（一次安装；usage 语义注释照抄 token 表） ── */
  /* Durations */
  --duration-stagger: 40ms;  /* per-item stagger offset */
  --duration-micro: 80ms;  /* tooltip/path delay, shake segment, large stagger */
  --duration-quick: 150ms;  /* modal/dropdown close, text swap, tooltip appear */
  --duration-fast: 250ms;  /* icon swap, dropdown/modal open, tabs sliding, page slide */
  --duration-medium: 350ms;  /* panel close, toast close */
  --duration-slow: 400ms;  /* panel open, skeleton content reveal, input clear */
  --duration-very-slow: 500ms;  /* emphasis moments, badge appear, text reveal, success check */
  /* Easings */
  --ease-smooth-out: cubic-bezier(0.22, 1, 0.36, 1);  /* modal/dropdown/panel open + close, page slide, resize, position change */
  --ease-in-out: ease-in-out;  /* icon swap, text swap, text reveal, skeleton reveal */
  --ease-out: ease-out;  /* tooltip open / close */
  --ease-linear: linear;  /* shimmer, skeleton pulse, spinner */
  --ease-bounce: cubic-bezier(0.34, 1.36, 0.64, 1);  /* badge pop open */
  --ease-bounce-strong: cubic-bezier(0.34, 3.85, 0.64, 1);  /* bouncy hover-out (avatar return) */
  /* Distances */
  --distance-micro: 4px;  /* text swap */
  --distance-small: 6px;  /* error shake (small segment) */
  --distance-base: 8px;  /* badge diagonal reveal, page slide, error shake (large segment) */
  --distance-medium: 12px;  /* text reveal */
  --distance-large: 30px;  /* check badge appear */
  /* Scales */
  --scale-large: 0.96;  /* modal open / close */
  --scale-medium: 0.97;  /* dropdown open */
  --scale-small: 0.98;  /* tooltip open */
  --scale-tiny: 0.99;  /* dropdown close */
  /* Blur */
  --blur-small: 2px;  /* panel reveal, icon swap, text swap, skeleton reveal, number pop-in */
  --blur-medium: 3px;  /* page slide, text reveal */
  --blur-large: 8px;  /* success check open */
  /* Number pop-in（KPI 换数） */
  --digit-dur: 500ms;
  --digit-distance: 8px;
  --digit-blur: 2px;
  --digit-ease: cubic-bezier(0.34, 1.45, 0.64, 1);
  /* Error state shake（密钥门） */
  --shake-distance: 6px;
  --shake-overshoot: 4px;
  --shake-dur-a: 80ms;
  --shake-dur-b: 60ms;
  --shake-ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* Tabs sliding（分段控件滑块） */
  --tabs-dur: 250ms;
  --tabs-ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* Tooltip open/close（图表 floatTip + 图标按钮 t-tt） */
  --tt-in-dur: 150ms;
  --tt-out-dur: 50ms;
  --tt-scale: 0.98;
  --tt-delay: 80ms;
  --tt-in-ease: ease-out;
  --tt-out-ease: ease-out;
  --tt-bg: #ffffff;
  --tt-fg: #2f2f2f;
  /* Toast open / close */
  --toast-open: 350ms;
  --toast-close: 250ms;
  --toast-distance: 16px;
  --toast-blur: 2px;
  --toast-scale: 0.97;
  --toast-ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* Modal open / close（密钥门入场） */
  --modal-open-dur: 250ms;
  --modal-ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* Skeleton reveal（骨架 → 内容 cross-fade + cross-blur） */
  --reveal-dur: 400ms;
  --reveal-blur: 2px;
  --reveal-ease: ease-in-out;

  /* 既有别名保留（不改调用点）：250ms 即 --duration-fast 的「页面/表面位移」档；
     cubic-bezier(0.4,0,0.2,1) 统一收敛到表面动效默认 --ease-smooth-out */
  --dur: var(--duration-fast);
  --ease: var(--ease-smooth-out);

  --side-w: 236px;
  --max-w: 1180px;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 14px/22px var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--brand-50);
  border-radius: var(--r-sm);
  padding: 1px 5px;
}
.mono, .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* 统一图标：stroke 风格，1.8px 圆角端点 */
.ic {
  width: 18px; height: 18px;
  fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
  flex: none;
}
.ic-lg { width: 40px; height: 40px; color: var(--brand-500); opacity: 0.85; }

/* 玻璃：只用于浮层（顶栏 / 底部导航 / tooltip / gate / toast） */
.glass {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: 14px;
  min-height: 40px; padding: 0 18px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--brand-500); color: #fff;
  box-shadow: 0 6px 18px rgba(59, 89, 242, 0.32);
}
.btn-primary:hover { background: var(--brand-700); box-shadow: 0 8px 22px rgba(23, 60, 218, 0.36); }
.btn-ghost {
  border: 1px solid var(--border-strong); color: var(--ink);
  background: var(--card);
}
.btn-ghost:hover { border-color: var(--brand-500); color: var(--brand-700); }
.btn-block { width: 100%; }
.btn-sm { min-height: 34px; padding: 0 14px; font-size: 13px; }
/* 顶栏按钮去头像化：圆角矩形（非正圆），避免圆形头像观感 */
.btn-rect { border-radius: var(--r-md); }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--r-md);
  border: 1px solid var(--border-strong); background: var(--card); color: var(--ink-2);
  transition: color var(--dur), border-color var(--dur), transform var(--dur);
}
.icon-btn:hover { color: var(--brand-700); border-color: var(--brand-500); }
.icon-btn.is-spinning .ic { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 密钥门 ---------- */
.gate {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center; padding: 24px;
  background: var(--bg);
  overflow: auto;
}
.gate-glow {
  position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none;
}
.gate-glow-a { width: 420px; height: 420px; top: -120px; right: -80px; background: rgba(59, 89, 242, 0.16); }
.gate-glow-b { width: 360px; height: 360px; bottom: -100px; left: -60px; background: rgba(139, 92, 246, 0.14); }
.gate-card {
  position: relative;
  width: min(400px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--r-card);
  box-shadow: var(--sh-glass);
  padding: 34px 30px 28px;
  text-align: center;
}
.brand-mark { display: inline-flex; width: 30px; height: 30px; }
.brand-mark svg { width: 100%; height: 100%; display: block; }
.brand-mark-lg { width: 52px; height: 52px; margin-bottom: 14px; }
.gate-title { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.gate-desc { margin-top: 8px; color: var(--ink-2); font-size: 13.5px; line-height: 21px; }
#gate-form { margin-top: 20px; text-align: left; }
.field-label { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.field-box {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--border-strong); border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.9);
  padding: 0 12px; height: 44px;
  transition: border-color var(--dur), box-shadow var(--dur);
}
.field-box:focus-within { border-color: var(--brand-500); box-shadow: 0 0 0 3px rgba(59, 89, 242, 0.15); }
.field-box .ic { color: var(--mute); }
.field-box input {
  flex: 1; border: 0; outline: 0; background: none; height: 100%;
  font-family: var(--font-mono); font-size: 14px; color: var(--ink);
}
.gate-error {
  margin: 10px 0 0; padding: 8px 12px;
  background: var(--crit-bg); color: var(--crit);
  border-radius: var(--r-md); font-size: 12.5px; font-weight: 500;
}
#gate-form .btn-block { margin-top: 14px; }
.gate-or {
  display: flex; align-items: center; gap: 12px;
  margin: 16px 0; color: var(--mute); font-size: 12px;
}
.gate-or::before, .gate-or::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.gate-hint { margin-top: 16px; color: var(--mute); font-size: 12px; line-height: 18px; }

/* ---------- 壳布局 ---------- */
.shell { min-height: 100vh; }

.sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--side-w); z-index: 30;
  display: flex; flex-direction: column;
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 22px 14px 18px;
}
.side-brand { display: flex; align-items: center; gap: 10px; padding: 2px 10px 20px; }
.side-brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.side-brand-text strong { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; }
.side-brand-text em {
  font-style: normal; font-family: var(--font-mono);
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.1em; color: var(--mute);
}
.side-nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 0 14px; min-height: 44px; border-radius: var(--r-md);
  color: var(--ink-2); font-weight: 500; font-size: 14px; text-align: left;
  transition: background var(--dur), color var(--dur);
}
.nav-item:hover { background: var(--bg); color: var(--ink); }
.nav-item.is-active {
  background: var(--brand-500); color: #fff; font-weight: 600;
  box-shadow: 0 6px 16px rgba(59, 89, 242, 0.3);
}
.side-foot { margin-top: auto; padding: 14px 10px 0; border-top: 1px solid var(--border); }
.side-conn { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.side-updated { font-size: 11px; color: var(--mute); }
.side-hint { margin-top: 6px; font-size: 11px; color: var(--mute); }

/* 连接状态点（3px 呼吸光环） */
.conn { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 500; color: var(--ink-2); }
.conn-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--mute); }
.conn[data-state="ok"] .conn-dot { background: var(--ok); }
.conn[data-state="err"] .conn-dot { background: var(--crit); }
.conn[data-state="ok"] .conn-dot::after, .conn[data-state="err"] .conn-dot::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 1.5px solid currentColor; opacity: 0.55;
  animation: pulse 2.2s var(--ease-linear) infinite;
}
.conn[data-state="ok"] .conn-dot::after { color: var(--ok); }
.conn[data-state="err"] .conn-dot::after { color: var(--crit); }
@keyframes pulse { 0% { transform: scale(0.7); opacity: 0.7; } 70% { transform: scale(1.5); opacity: 0; } 100% { opacity: 0; } }

.main { margin-left: var(--side-w); min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 28px;
  border-bottom: 1px solid rgba(233, 236, 241, 0.8);
}
.topbar-title h1 { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; line-height: 30px; }
.topbar-title p { font-size: 11px; color: var(--mute); margin-top: 2px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.demo-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0 12px; min-height: 30px; border-radius: var(--r-pill);
  background: var(--warn-bg); color: #92600a;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.demo-badge .ic { width: 14px; height: 14px; }

.content {
  width: 100%; max-width: var(--max-w); margin: 0 auto;
  padding: 26px 28px 48px;
  display: flex; flex-direction: column; gap: 22px;
}
.view { display: flex; flex-direction: column; gap: 22px; }

/* ---------- 通用面板 ---------- */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--sh-1);
  padding: 22px 24px;
  transition: transform var(--duration-medium) var(--ease-smooth-out), box-shadow var(--duration-medium) var(--ease-smooth-out);
}
/* hover 进出不对称：进 = --duration-fast（quick & direct），出 = 基态 --duration-medium（softer）。
   上浮只在「可悬停的精确指针」下生效，避免触屏 tap 后 :hover 粘滞（option-pro v8.3 教训）。 */
@media (hover: hover) and (pointer: fine) {
  .panel:hover {
    transition-duration: var(--duration-fast);
    transform: translateY(-2px); box-shadow: var(--sh-2);
  }
  .kpi-card:hover {
    transition-duration: var(--duration-fast);
    transform: translateY(-2px); box-shadow: var(--sh-2);
  }
  .pv-card:hover {
    transition-duration: var(--duration-fast);
    transform: translateY(-1px); box-shadow: var(--sh-1);
  }
  .dev-card:hover {
    transition-duration: var(--duration-fast);
    transform: translateY(-2px); box-shadow: var(--sh-2);
  }
  .lim-card:hover {
    transition-duration: var(--duration-fast);
    transform: translateY(-2px); box-shadow: var(--sh-2);
  }
  .sub-card:hover {
    transition-duration: var(--duration-fast);
    transform: translateY(-2px); box-shadow: var(--sh-2);
  }
}
.panel-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin-bottom: 16px;
}
.panel-head h2 { font-size: 16.5px; font-weight: 700; letter-spacing: -0.01em; }
.panel-sub { margin-top: 3px; font-size: 12.5px; color: var(--mute); }
.panel-note { font-size: 11px; color: var(--mute); }

/* ---------- KPI 卡 ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.kpi-card {
  position: relative; overflow: hidden;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-card); box-shadow: var(--sh-1);
  padding: 20px 22px;
  transition: transform var(--duration-medium) var(--ease-smooth-out), box-shadow var(--duration-medium) var(--ease-smooth-out);
}
.kpi-tag {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute);
}
.kpi-tag .ic { width: 16px; height: 16px; color: var(--brand-500); }
.kpi-value {
  margin-top: 10px;
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 27px; font-weight: 600; line-height: 32px; letter-spacing: -0.02em;
}
.kpi-sub { margin-top: 5px; font-size: 12.5px; color: var(--ink-2); }
.kpi-sub b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }
.kpi-bar { display: flex; height: 10px; border-radius: var(--r-pill); overflow: hidden; margin-top: 14px; background: var(--bg); }
.kpi-bar i { display: block; height: 100%; transition: opacity var(--dur); }
.kpi-bar.has-hot i { opacity: 0.3; }
.kpi-bar.has-hot i.is-hot { opacity: 1; }
.kpi-legend { display: flex; flex-wrap: wrap; gap: 6px 12px; margin-top: 10px; }
.kpi-legend span { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--ink-2); }
.kpi-legend i { width: 7px; height: 7px; border-radius: 50%; }
.kpi-legend b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; }
.kpi-mix-note { margin-top: 8px; line-height: 1.45; }

/* KPI 合并卡：多行指标 */
.kpi-unit { margin-left: 8px; font-family: var(--font-ui); font-size: 12.5px; font-weight: 500; color: var(--mute); letter-spacing: 0; }
.kpi-rows {
  margin-top: 12px; padding-top: 12px;
  border-top: 1px dashed var(--border);
  display: flex; flex-direction: column; gap: 7px;
}
.kpi-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--ink-2); }
.kpi-row b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }

/* 连接状态卡：图标与连线同一行，标签在下一行，避免 CLOUD 字形视觉中心偏上 */
.conn-diagram {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: 22px auto;
  column-gap: 12px;
  row-gap: 5px;
  align-items: center;
  margin-top: 14px;
}
.conn-node { display: contents; color: var(--ink-2); }
.conn-node .ic {
  width: 22px; height: 22px;
  grid-row: 1;
  justify-self: center;
  overflow: visible;
}
.conn-node-agent .ic, .conn-node-agent em { grid-column: 1; }
.conn-node-cloud .ic, .conn-node-cloud em { grid-column: 3; }
.conn-node-cloud .ic { transform: translateY(1px); }
.conn-node em {
  grid-row: 2;
  justify-self: center;
  font-style: normal; font-family: var(--font-mono);
  font-size: 9px; font-weight: 700; letter-spacing: 0.12em; color: var(--mute);
}
.conn-track { grid-column: 2; grid-row: 1; position: relative; height: 2px; border-radius: 2px; background: #cfd3dd; }
.kpi-conn-card.is-online .conn-track { background: linear-gradient(90deg, #0ea57a, #34d399); }
.conn-track i {
  position: absolute; top: 50%; left: 0; width: 4px; height: 4px; margin-top: -2px;
  border-radius: 50%; background: #0a7c58; opacity: 0;
}
.kpi-conn-card.is-online .conn-track i { animation: conn-flow 2s linear infinite; }
.kpi-conn-card.is-online .conn-track i:nth-child(2) { animation-delay: 0.66s; }
.kpi-conn-card.is-online .conn-track i:nth-child(3) { animation-delay: 1.33s; }
@keyframes conn-flow {
  0% { left: 0; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { left: calc(100% - 4px); opacity: 0; }
}
.conn-meta { display: flex; align-items: center; gap: 12px; margin-top: 13px; flex-wrap: wrap; }
.conn-state { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 700; }
.conn-state.on { color: #0a7c58; }
.conn-state.on .status-dot { background: var(--ok); }
.conn-state.on .status-dot::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 1.5px solid var(--ok); animation: pulse 2.2s var(--ease-linear) infinite;
}
.conn-state.off { color: var(--mute); }
.conn-state.off .status-dot { background: #b6bcc9; }
.conn-seen { font-size: 12px; color: var(--ink-2); }
.conn-seen b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; }

/* ---------- 提供商状态卡行 ---------- */
.pv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.pv-card {
  display: flex; align-items: flex-start; gap: 10px;
  border: 1px solid var(--border); border-radius: 16px; background: var(--card);
  padding: 13px 14px;
  transition: transform var(--duration-medium) var(--ease-smooth-out), box-shadow var(--duration-medium) var(--ease-smooth-out);
}
.pv-dot { position: relative; width: 9px; height: 9px; border-radius: 50%; margin-top: 4px; flex: none; }
.pv-dot.lv-ok { background: var(--ok); }
.pv-dot.lv-ok::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 1.5px solid var(--ok); animation: pulse 2.2s var(--ease-linear) infinite;
}
.pv-dot.lv-warn { background: var(--warn); }
.pv-dot.lv-crit { background: var(--crit); }
.pv-dot.lv-mute { background: #b6bcc9; }
.pv-info { min-width: 0; flex: 1; }
.pv-name { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pv-name strong { font-size: 13.5px; font-weight: 600; }
.pv-status { font-style: normal; font-size: 10.5px; font-weight: 600; padding: 1px 8px; border-radius: var(--r-pill); }
.pv-card.lv-ok .pv-status { color: #0a7c58; background: var(--ok-bg); }
.pv-card.lv-warn .pv-status { color: #92600a; background: var(--warn-bg); }
.pv-card.lv-crit .pv-status { color: #c92a2a; background: var(--crit-bg); /* §13 axe：对比度 3.29<4.5 */ }
.pv-card.lv-mute .pv-status { color: var(--mute); background: var(--bg); }
.pv-desc { margin-top: 3px; font-size: 11.5px; color: var(--mute); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pv-time { font-size: 10px; color: var(--mute); white-space: nowrap; margin-top: 2px; flex: none; }

/* 构成语义色 */
.seg-input { background: var(--seg-input); }
.seg-output { background: var(--seg-output); }
.seg-cacher { background: var(--seg-cacher); }
.seg-cachew { background: var(--seg-cachew); }
.seg-uncls { background: var(--seg-uncls); }

/* ---------- 分段控件（滑动胶囊） ---------- */
.seg {
  position: relative; display: inline-flex; gap: 2px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-pill); padding: 3px;
}
.seg button {
  position: relative; z-index: 1;
  min-height: 30px; padding: 0 14px; border-radius: var(--r-pill);
  font-size: 12.5px; font-weight: 500; color: var(--ink-2); white-space: nowrap;
  transition: color var(--dur) var(--ease);
}
.seg button.is-active { color: var(--brand-700); font-weight: 600; }
.seg-pill {
  position: absolute; z-index: 0; top: 3px; bottom: 3px; left: 0; width: 0;
  background: var(--card); border-radius: var(--r-pill);
  box-shadow: 0 2px 8px rgba(13, 22, 38, 0.12);
  /* 16-tabs-sliding：250ms --ease-smooth-out；transform/width 由 JS 内联写入 */
  transition: transform var(--tabs-dur) var(--tabs-ease), width var(--tabs-dur) var(--tabs-ease);
  will-change: transform, width;
}

/* ---------- 趋势图 ---------- */
.chart-panel { overflow: hidden; }
.chart-data { margin-top: 12px; }
.chart-data summary {
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  padding: 4px 0; list-style: none;
}
.chart-data summary::-webkit-details-marker { display: none; }
.chart-data summary::before {
  content: "";
  width: 6px; height: 6px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg);
  transition: transform var(--dur);
}
.chart-data[open] summary::before { transform: rotate(45deg); }
.chart-data .tbl-scroll { margin-top: 8px; }
.chart-data .tbl { min-width: 0; }
.trend-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: -4px 0 12px; }
.trend-legend .lg { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--ink-2); }
.trend-legend .lg i { width: 8px; height: 8px; border-radius: 3px; }
.chart-wrap { position: relative; height: 300px; }
#trend-chart { width: 100%; height: 100%; display: block; }
.chart-grid { stroke: var(--border); stroke-width: 1; }
.chart-axis { fill: var(--mute); font-family: var(--font-mono); font-size: 10.5px; font-variant-numeric: tabular-nums; }
/* 柱子柔和投影：filter 作用于整组（单次滤镜 pass）；悬停时加深 */
.trend-bars { filter: url(#trend-shadow); }
#trend-chart.has-hot .trend-bars { filter: url(#trend-shadow-hot); }
.tseg { transition: opacity var(--dur); }
#trend-chart.has-hot .tseg { opacity: 0.28; }
#trend-chart.has-hot .tseg.is-hot { opacity: 1; }
.trend-bar { fill: var(--brand-500); transition: opacity var(--dur); }
.trend-bar.is-zero { fill: var(--border-strong); }
.trend-sum { fill: var(--ink-2); font-family: var(--font-mono); font-size: 10px; font-variant-numeric: tabular-nums; }

/* 玻璃 tooltip（浮层） */
.chart-tip {
  position: fixed; z-index: 80; pointer-events: none;
  min-width: 150px; padding: 10px 12px;
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--sh-glass);
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  opacity: 0; transform: translateY(var(--distance-micro)) scale(var(--tt-scale));
  transform-origin: 50% 100%;
  /* 默认规则管「离开」：50ms 无延迟，收起必须干脆（polish：never delay a close） */
  transition: opacity var(--tt-out-dur) var(--tt-out-ease), transform var(--tt-out-dur) var(--tt-out-ease);
}
/* 80ms intent delay 只挂在进入态，离开瞬时回落（17-tooltip 同款手法） */
.chart-tip.is-shown {
  opacity: 1; transform: translateY(0) scale(1);
  transition-duration: var(--tt-in-dur);
  transition-timing-function: var(--tt-in-ease);
  transition-delay: var(--tt-delay);
}
.tip-title { font-size: 12px; font-weight: 700; margin-bottom: 5px; }
.tip-row { display: flex; justify-content: space-between; gap: 18px; font-size: 11.5px; color: var(--ink-2); line-height: 19px; }
.tip-row b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }

/* ---------- 模型分布环形图（donut + 图例） ---------- */
.donut-wrap { display: flex; align-items: center; gap: 30px; }
.donut { position: relative; width: 196px; flex: none; }
.donut svg { display: block; width: 100%; height: auto; }
.donut-bg { fill: none; stroke: var(--bg); stroke-width: 14; }
.donut-arc {
  fill: none; stroke-width: 14;
  transition: opacity var(--dur) var(--ease), stroke-width var(--dur) var(--ease);
}
.donut-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; pointer-events: none;
}
.donut-center b {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 25px; font-weight: 700; letter-spacing: -0.02em; line-height: 28px;
}
.donut-center span { margin-top: 3px; font-size: 11px; color: var(--mute); }
.donut-legend {
  list-style: none; margin: 0; padding: 0; flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 7px;
}
.donut-lg-row {
  display: flex; align-items: center; gap: 9px;
  padding: 6px 9px; border-radius: var(--r-md); font-size: 12.5px;
  transition: background var(--dur), opacity var(--dur);
}
.donut-lg-row i { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.donut-lg-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; color: var(--ink); }
.donut-lg-pct { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 11.5px; color: var(--mute); flex: none; }
.donut-lg-val { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12.5px; font-weight: 600; flex: none; }
.donut-wrap.has-hot .donut-arc { opacity: 0.22; }
.donut-wrap.has-hot .donut-arc.is-hot { opacity: 1; stroke-width: 17; }
.donut-wrap.has-hot .donut-lg-row { opacity: 0.4; }
.donut-wrap.has-hot .donut-lg-row.is-hot { opacity: 1; background: var(--bg); }

/* ---------- 分布条（模型 / 客户端 / 项目） ---------- */
.dist { display: grid; gap: 4px; }
.dist-row {
  display: grid; grid-template-columns: minmax(120px, 190px) 1fr minmax(96px, auto);
  align-items: center; gap: 12px;
  padding: 8px 6px; border-radius: var(--r-md);
  transition: background var(--dur);
}
.dist-row:hover { background: var(--bg); }
.dist-name {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 500; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.dist-name i { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dist-track { height: 16px; background: var(--bg); border-radius: var(--r-sm); overflow: hidden; }
.dist-bar { display: flex; height: 100%; border-radius: var(--r-sm); overflow: hidden; transition: opacity var(--dur); }
.dist-part { display: block; height: 100%; }
.dist.has-hot .dist-bar { opacity: 0.3; }
.dist.has-hot .dist-row .dist-track.is-hot .dist-bar,
.dist.has-hot .dist-track.is-hot .dist-bar { opacity: 1; }
.dist-val {
  display: inline-flex; align-items: baseline; gap: 7px; justify-content: flex-end;
  font-size: 11px; color: var(--mute); white-space: nowrap;
}
.dist-val b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12.5px; font-weight: 600; color: var(--ink); }
.dist-cost { font-style: normal; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- 工具 × 模型矩阵 ---------- */
.mx-segs { display: flex; gap: 10px; flex-wrap: wrap; }
.mx-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.mx-grid { display: grid; gap: 4px; min-width: 520px; }
.mx-corner { min-height: 34px; }
.mx-col, .mx-row {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--ink-2); min-height: 34px;
  overflow: hidden;
}
.mx-col span, .mx-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mx-col i, .mx-row i { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.mx-cell {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1 / 1; border-radius: var(--r-sm);
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 10.5px; font-weight: 500; color: var(--ink-2);
  min-width: 0; overflow: hidden; padding: 0 2px;
  transition: transform var(--dur), opacity var(--dur);
}
/* 离散蓝色阶：低档也清晰可辨 */
.mx-cell.mx-lv0 { background: #eef1fe; color: #3c4770; }
.mx-cell.mx-lv1 { background: #c7d2fe; color: #263272; }
.mx-cell.mx-lv2 { background: #818cf8; }
.mx-cell.mx-lv2.is-deep { color: #1e2547; /* §13 axe：#818cf8 上白字仅 2.98:1 */ }
.mx-cell.mx-lv3 { background: #3b59f2; }
.mx-cell.mx-lv4 { background: #173cda; }
.mx-cell.is-deep { color: #fff; font-weight: 600; }
.mx-cell.is-zero { background: #f2f3f7; }
.mx-grid.has-hot .mx-cell[data-v] { opacity: 0.35; }
.mx-grid.has-hot .mx-cell.is-hot { opacity: 1; transform: scale(1.04); box-shadow: var(--sh-1); z-index: 1; }

/* 矩阵色阶图例 */
.mx-scale { display: flex; align-items: center; gap: 4px; margin-top: 12px; justify-content: flex-end; }
.mx-scale span { font-size: 10.5px; color: var(--mute); margin: 0 5px; }
.mx-scale i { width: 14px; height: 14px; border-radius: 3px; }

/* ---------- 表格 ---------- */
.tbl-scroll {
  overflow: auto; -webkit-overflow-scrolling: touch;
  max-height: 520px;
  border: 1px solid var(--border); border-radius: var(--r-md);
}
.tbl { width: 100%; border-collapse: collapse; min-width: 760px; }
.tbl th {
  position: sticky; top: 0; z-index: 2;
  text-align: left; font-size: 11px; font-weight: 600; letter-spacing: 0.06em;
  color: var(--ink-2); padding: 10px 14px;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.tbl td {
  padding: 10px 14px; font-size: 12.5px; color: var(--ink-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap; vertical-align: middle;
}
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr { transition: background var(--dur); }
.tbl tbody tr:hover { background: var(--bg); }
.tbl th.num, .tbl td.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tbl .mute { color: var(--mute); }
.tbl-foot { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.tbl-note { font-size: 12px; color: var(--warn); }

.dev-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--r-pill);
  font-size: 11.5px; font-weight: 500; color: var(--ink);
}
.dev-chip i { width: 7px; height: 7px; border-radius: 50%; }
.sess-id { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-2); background: var(--bg); padding: 2px 8px; border-radius: var(--r-sm); }
.sess-models { font-size: 12px; }

/* ---------- 设备视图 ---------- */
.dev-summary { display: flex; flex-wrap: wrap; gap: 10px; }
.sum-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r-pill);
  box-shadow: var(--sh-1);
  padding: 0 16px; min-height: 38px;
  font-size: 12.5px; color: var(--ink-2);
}
.sum-pill b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }
.sum-pill .ic { width: 15px; height: 15px; color: var(--brand-500); }

.dev-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 22px; }
.dev-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-card); box-shadow: var(--sh-1);
  padding: 20px 22px;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform var(--duration-medium) var(--ease-smooth-out), box-shadow var(--duration-medium) var(--ease-smooth-out);
}
.dev-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.status { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; }
.status-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; }
.status.on { color: #0a7c58; }
.status.on .status-dot { background: var(--ok); }
.status.on .status-dot::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 1.5px solid var(--ok); animation: pulse 2.2s var(--ease-linear) infinite;
}
.status.off { color: var(--mute); }
.status.off .status-dot { background: #b6bcc9; }
.status.unknown { color: var(--mute); }
.status.unknown .status-dot { background: transparent; border: 1.5px dashed #b6bcc9; }
.status.unknown .status-dot::after { display: none; }
.dev-seen { font-size: 11px; color: var(--mute); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.dev-title { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.dev-host { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.dev-id { font-size: 11px; color: var(--mute); background: var(--bg); padding: 2px 8px; border-radius: var(--r-sm); }
.dev-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; }
.dev-meta span { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--ink-2); }
.dev-meta .ic { width: 13px; height: 13px; color: var(--mute); }
.dev-clients { display: flex; flex-wrap: wrap; gap: 6px; }
.dev-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.dev-badge {
  font-size: 10.5px; font-weight: 600; color: var(--brand-700);
  background: var(--brand-50); border-radius: var(--r-pill); padding: 2px 9px;
}

/* 各工具健康度 */
.dev-diag { border-top: 1px dashed var(--border); padding-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.diag-health { display: flex; flex-direction: column; gap: 6px; }
.diag-tool {
  display: grid; grid-template-columns: 118px 1fr auto; align-items: center; gap: 10px;
  font-size: 12px; color: var(--ink-2);
}
.diag-tool .dt-name { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--ink); overflow: hidden; white-space: nowrap; }
.diag-tool .dt-name i { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.diag-tool .dt-track { height: 5px; border-radius: var(--r-pill); background: var(--bg); overflow: hidden; }
.diag-tool .dt-track i { display: block; height: 100%; border-radius: var(--r-pill); }
.diag-tool em { font-style: normal; font-family: var(--font-mono); font-size: 10.5px; color: var(--mute); }
.diag-line { font-size: 11.5px; color: var(--mute); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.diag-line b { color: var(--ink-2); }
.dt-track .lv-ok { background: var(--ok); }
.dt-track .lv-warn { background: var(--warn); }
.dt-track .lv-crit { background: var(--crit); }
.dt-track .lv-mute { background: #b6bcc9; }

.dev-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; border-top: 1px solid var(--border); padding-top: 12px; }
.dev-stat span { display: block; font-size: 10.5px; color: var(--mute); }
.dev-stat b { display: block; margin-top: 2px; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 13.5px; font-weight: 600; color: var(--ink); }

/* ---------- 配额与订阅 ---------- */
.lim-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.lim-card {
  border: 1px solid var(--border); border-radius: 20px;
  background: var(--card); padding: 18px 20px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform var(--duration-medium) var(--ease-smooth-out), box-shadow var(--duration-medium) var(--ease-smooth-out);
}
.lim-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.lim-provider { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.lim-provider strong { font-size: 15px; font-weight: 700; }
.lim-plan {
  font-size: 10.5px; font-weight: 600; color: var(--brand-700);
  background: var(--brand-50); padding: 2px 9px; border-radius: var(--r-pill);
}
.lim-balance { text-align: right; }
.lim-balance span { display: block; font-size: 10.5px; color: var(--mute); }
.lim-balance b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 17px; font-weight: 600; }
.lim-account { font-size: 12px; color: var(--mute); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* 配额窗口：进度环 */
.lim-wins { display: flex; flex-direction: column; gap: 13px; }
.lim-win { display: flex; align-items: center; gap: 14px; }
.ring { position: relative; width: 64px; height: 64px; flex: none; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring .ring-bg { fill: none; stroke: var(--bg); stroke-width: 7; }
.ring .ring-fg { fill: none; stroke-width: 7; stroke-linecap: round; transition: stroke-dashoffset 700ms var(--ease-smooth-out); }
.ring.lv-ok .ring-fg { stroke: var(--ok); }
.ring.lv-warn .ring-fg { stroke: var(--warn); }
.ring.lv-crit .ring-fg { stroke: var(--crit); }
.ring .ring-num {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 13px; font-weight: 700; color: var(--ink);
}
.lim-win-info { min-width: 0; }
.lim-win-label { display: block; font-size: 12px; font-weight: 600; color: var(--ink); }
.lim-win-meta { display: block; margin-top: 3px; font-size: 11px; color: var(--mute); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.lim-dev { font-size: 11px; color: var(--mute); border-top: 1px dashed var(--border); padding-top: 9px; }

/* 订阅卡 */
.sub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.sub-card {
  border: 1px solid var(--border); border-radius: 20px; background: var(--card);
  padding: 18px 20px; display: flex; flex-direction: column; gap: 12px;
  transition: transform var(--duration-medium) var(--ease-smooth-out), box-shadow var(--duration-medium) var(--ease-smooth-out);
}
.sub-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.sub-provider { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; color: var(--ink-2); }
.sub-provider i { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-500); }
/* 续费方式：文字徽章（不用开关） */
.renew-badge {
  font-size: 10.5px; font-weight: 600; padding: 2px 10px; border-radius: var(--r-pill);
  color: var(--mute); background: var(--bg); white-space: nowrap;
}
.renew-badge.on { color: #0a7c58; background: var(--ok-bg); }
.sub-plan { font-size: 16.5px; font-weight: 700; letter-spacing: -0.01em; }
.sub-amount { display: flex; align-items: baseline; gap: 6px; }
.sub-amount b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.sub-amount span { font-size: 12px; color: var(--mute); }
.sub-meta { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 12px; color: var(--ink-2); }
.sub-meta span { display: inline-flex; align-items: center; gap: 5px; }
.sub-meta .ic { width: 13px; height: 13px; color: var(--mute); }
.sub-meta b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 500; }
.sub-binding { font-size: 11.5px; color: var(--mute); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.sub-topups { border-top: 1px dashed var(--border); padding-top: 10px; }
.sub-topups-title { font-size: 11px; font-weight: 600; color: var(--ink-2); letter-spacing: 0.04em; margin-bottom: 6px; }
.sub-topups ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.sub-topups li {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 12px; color: var(--ink-2);
}
.sub-topups li b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }
.sub-topups li time { font-size: 11px; color: var(--mute); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- 历史视图 ---------- */
.hm-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.hm { min-width: 620px; }

/* 日视图：24 小时格 */
.hm-day { display: grid; grid-template-columns: repeat(24, 1fr); gap: 4px; }
.hm-cell {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm); aspect-ratio: 1;
  font-family: var(--font-mono); font-size: 9.5px; color: transparent;
  transition: transform var(--duration-quick) var(--ease-smooth-out);
}
.hm-cell[data-v] { cursor: default; }
.hm-cell[data-v]:hover { transform: scale(1.14); box-shadow: var(--sh-1); color: inherit; }
.hm-0 { background: var(--hm-0); }
.hm-1 { background: var(--hm-1); }
.hm-2 { background: var(--hm-2); }
.hm-3 { background: var(--hm-3); }
.hm-4 { background: var(--hm-4); }
.hm-5 { background: var(--hm-5); }
.hm-d { min-height: 26px; color: var(--mute); }
.hm-d.hm-3 { color: #1e2547; }
.hm-d.hm-4, .hm-d.hm-5 { color: #fff; /* §13 axe：0.92 透明度混合后对比度 4.35<4.5 */ }

/* 周视图：GitHub 风格 12 周 */
.hm-wk-months { display: grid; grid-template-columns: repeat(12, 1fr); margin-left: 22px; margin-bottom: 5px; }
.hm-wk-months span { font-size: 10.5px; color: var(--mute); }
.hm-wk-main { display: flex; gap: 6px; }
.hm-wk-gutter { display: grid; grid-template-rows: repeat(7, 1fr); font-size: 10px; color: var(--mute); width: 14px; }
.hm-wk-gutter span { display: flex; align-items: center; }
.hm-wk-grid {
  flex: 1; display: grid; grid-template-rows: repeat(7, 1fr); grid-auto-flow: column;
  grid-template-columns: repeat(12, 1fr); gap: 4px;
}
.hm-w { width: 100%; }
.hm-skip { background: transparent; }

/* 月视图：日历 + 摘要 */
.hm-mon-wrap { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; align-items: start; }
.hm-mon-head { display: grid; grid-template-columns: repeat(7, 1fr); margin-bottom: 5px; }
.hm-mon-head span { font-size: 10.5px; color: var(--mute); text-align: center; }
.hm-mon-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.hm-m { min-height: 34px; font-size: 10.5px; color: #43496b; /* §13 axe：hm-1/2 色块上 --mute 不足 4.5:1 */ }
.hm-m.hm-3 { color: #1e2547; }
.hm-m.hm-4, .hm-m.hm-5 { color: #fff; }
.hm-mon-sum { border-left: 1px solid var(--border); padding-left: 22px; }
.hm-mon-sum-title { font-size: 13px; font-weight: 700; margin-bottom: 12px; }
.hm-sum-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.hm-sum span { display: block; font-size: 10.5px; color: var(--mute); }
.hm-sum b { display: block; margin-top: 3px; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 14px; font-weight: 600; }
.hm-sum-mid { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; }
.hm-avg span { display: block; font-size: 10.5px; color: var(--mute); }
.hm-avg b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 15px; font-weight: 600; }
.hm-avg em { font-style: normal; display: block; font-size: 10px; color: var(--mute); }
.hm-wow { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12.5px; font-weight: 600; padding: 4px 10px; border-radius: var(--r-pill); }
.hm-wow.up { color: #0a7c58; background: var(--ok-bg); }
.hm-wow.down { color: #c92a2a; background: var(--crit-bg); /* §13 axe：#ef4444 on #fdecec 仅 3.29:1 */ }
.hm-wow em { font-style: normal; font-family: var(--font-ui); font-size: 10.5px; font-weight: 500; }
.hm-wow.up em { color: #2f7a62; /* §13 axe：opacity 混合后对比度不足 */ }
.hm-wow.down em { color: #b91c1c; }
.hm-spark { margin-top: 16px; }
.hm-spark-head { display: flex; justify-content: space-between; font-size: 11px; color: var(--mute); margin-bottom: 7px; }
.hm-spark-head b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--ink-2); font-weight: 600; }
.hm-spark-bars { display: flex; align-items: flex-end; gap: 4px; height: 44px; }
.hm-spark-bars i { flex: 1; background: var(--brand-500); border-radius: 3px 3px 0 0; min-height: 2px; opacity: 0.85; }
.hm-spark-bars i.is-zero { background: var(--border-strong); }
.hm-foot { display: flex; align-items: center; gap: 4px; margin-top: 14px; justify-content: flex-end; }
.hm-foot .hm-s { width: 11px; height: 11px; aspect-ratio: auto; }
.hm-scale-label { font-size: 10.5px; color: var(--mute); margin: 0 4px; }

/* 日归档 */
.hist-mix { display: flex; height: 10px; border-radius: var(--r-pill); overflow: hidden; background: var(--bg); min-width: 140px; max-width: 260px; }
.hist-mix i { display: block; height: 100%; }
.hist-dow { display: inline-block; margin-left: 7px; font-size: 10.5px; color: var(--mute); }
.hist-today { color: var(--brand-700); font-weight: 600; }
.hist-inc { display: inline-block; margin-left: 7px; font-size: 10px; padding: 1px 7px; border-radius: var(--r-pill); color: #92400e; /* 比 --warn 深一档：10px 小字满足 4.5:1 对比度 */ background: color-mix(in srgb, var(--warn, #b45309) 10%, transparent); border: 1px solid color-mix(in srgb, var(--warn, #b45309) 26%, transparent); }
.hist-sentinel { display: flex; align-items: center; justify-content: center; gap: 14px; padding: 14px 0 2px; }
.hist-loading { font-size: 12px; color: var(--mute); }

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 40px 20px; color: var(--ink-2); }
.empty p { margin-top: 8px; font-size: 14px; font-weight: 500; }
.empty-sub { font-size: 12.5px !important; font-weight: 400 !important; color: var(--mute); }
.empty-chart { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--card); }
.empty-hero { text-align: center; padding: 52px 28px; }
.empty-hero h2 { margin-top: 14px; font-size: 19px; font-weight: 700; }
.hero-steps {
  display: inline-block; text-align: left; margin: 14px auto 0; padding-left: 22px;
  color: var(--ink-2); font-size: 13.5px; line-height: 26px;
}

/* ---------- Toast ---------- */
.toast-root { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.toast {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 16px; border-radius: var(--r-md);
  font-size: 13px; font-weight: 500; color: var(--ink);
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--sh-glass);
}
/* —— 22-toast.md（catalog 片段 verbatim；.toast 负责皮肤，.t-toast 负责运动） —— */
.toast .ic { color: var(--brand-500); }
.toast.err .ic { color: var(--crit); }
.t-toast {
  opacity: 0;
  transform: translateY(var(--toast-distance)) scale(var(--toast-scale));
  filter: blur(var(--toast-blur));
  will-change: transform, opacity, filter;
  transition:
    opacity var(--toast-close) var(--toast-ease),
    transform var(--toast-close) var(--toast-ease),
    filter var(--toast-close) var(--toast-ease);
}
.t-toast.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  transition:
    opacity var(--toast-open) var(--toast-ease),
    transform var(--toast-open) var(--toast-ease),
    filter var(--toast-open) var(--toast-ease);
}

@media (prefers-reduced-motion: reduce) {
  .t-toast { transition: none !important; }
}

/* ---------- 骨架屏 ---------- */
.sk {
  border-radius: var(--r-sm);
  background: linear-gradient(100deg, var(--bg) 40%, #eef0f4 50%, var(--bg) 60%);
  background-size: 200% 100%;
  animation: sk 1.4s linear infinite;
}
@keyframes sk { to { background-position: -200% 0; } }

/* ---------- 底部导航（移动端） ---------- */
.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: none;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(233, 236, 241, 0.85);
  padding: 6px 10px calc(6px + env(safe-area-inset-bottom));
}
.bn-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  min-height: 48px; border-radius: var(--r-md);
  font-size: 10.5px; font-weight: 500; color: var(--mute);
  transition: color var(--dur), background var(--dur);
}
.bn-item .ic { width: 20px; height: 20px; }
.bn-item.is-active { color: var(--brand-700); font-weight: 600; background: var(--brand-50); }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-conn-card { grid-column: 1 / -1; }
  .hm-mon-wrap { grid-template-columns: 1fr; }
  .hm-mon-sum { border-left: 0; padding-left: 0; border-top: 1px solid var(--border); padding-top: 16px; }
}

@media (max-width: 900px) {
  .duo { display: flex; flex-direction: column; gap: 22px; }
}

@media (min-width: 901px) {
  .duo { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .bottom-nav { display: grid; }
  .content { padding: 18px 14px calc(96px + env(safe-area-inset-bottom)); gap: 16px; }
  .view { gap: 16px; }
  .topbar { padding: 12px 16px; }
  .topbar-title h1 { font-size: 24px; line-height: 28px; }
  #view-sub { display: none; }
  #logout-text { display: none; }
  #logout { min-height: 40px; width: 40px; padding: 0; }
  .panel { padding: 18px 16px; }
  .panel-head { margin-bottom: 13px; }

  /* KPI 单列；数字字号不降 */
  .kpi-grid { grid-template-columns: 1fr; gap: 14px; }
  .kpi-conn-card { grid-column: auto; }
  .kpi-value { font-size: 27px; }

  /* 环形图：上下排布，图例全宽 */
  .donut-wrap { flex-direction: column; align-items: center; gap: 18px; }
  .donut { width: 172px; }
  .donut-legend { width: 100%; }

  /* 触控目标 ≥ 40px */
  .seg { width: 100%; }
  .seg button { flex: 1; min-height: 40px; }
  .mx-segs { width: 100%; }
  .panel-head .seg { max-width: 100%; }

  /* 表格横滚（表头玻璃吸附已内置） */
  .tbl-scroll { max-height: 440px; }

  /* 热力图：月/日视图适配屏宽，周视图保留横滚 */
  .hm:has(.hm-mon-wrap), .hm:has(.hm-day) { min-width: 0; }
  .hm-day { grid-template-columns: repeat(12, 1fr); }
  .hm-d { min-height: 22px; font-size: 9px; }
  .hm-mon-grid { gap: 4px; }
  .hm-m { min-height: 0; font-size: 10px; }
  .hm-mon-head span { font-size: 10px; }

  /* 近 7 天趋势：限制柱宽，避免满屏宽条 */
  .hm-spark-bars { gap: 6px; height: 38px; }
  .hm-spark-bars i { flex: 0 1 30px; }

  .dev-grid { grid-template-columns: 1fr; }
  .lim-grid, .sub-grid { grid-template-columns: 1fr; }
  .dev-stats { grid-template-columns: repeat(2, 1fr); gap: 12px 8px; }

  .chart-wrap { height: 240px; }
  .dist-row { grid-template-columns: minmax(96px, 128px) 1fr; }
  .dist-val { grid-column: 2; justify-content: flex-start; }

  .toast-root { right: 12px; left: 12px; bottom: calc(76px + env(safe-area-inset-bottom)); }
  .toast { justify-content: center; }
}

@media (max-width: 380px) {
  .content { padding: 14px 10px calc(92px + env(safe-area-inset-bottom)); gap: 13px; }
  .panel { padding: 15px 13px; border-radius: 18px; }
  .kpi-card { border-radius: 18px; padding: 16px; }
  .panel-head h2 { font-size: 15px; }
  .lim-wins { flex-direction: column; }
  .hm-mon-grid { gap: 3px; }
  .gate-card { padding: 26px 20px 22px; }
}

/* ============================================================
   transitions-dev 新增动效（page-enter / 入场 stagger / number pop-in /
   skeleton reveal / 柱子生长 / 弧段 draw / gate modal / error shake / t-tt）
   ============================================================ */

/* 视图切换 page-enter：只动 transform，from 帧严禁 opacity:0 ——
   动画时钟被饿死/冻结时 opacity:0 的 from 帧表现为「内容已挂载的全白页」，
   transform 的 from 帧最坏只是停在 6px 偏移，内容始终可读（option-pro 注释教训）。
   250ms = --duration-fast 的 page slide 档，与分段滑块同一节拍。 */
.page-enter { animation: page-enter var(--duration-fast) var(--ease-smooth-out); }
@keyframes page-enter {
  from { transform: translateY(var(--distance-small)); }
}
@media (prefers-reduced-motion: reduce) {
  .page-enter { animation: none; }
}

/* 卡片入场 stagger：JS 逐项写 animation-delay（--duration-stagger 40ms，
   封顶 280ms，总量 <300ms —— polish stagger 纪律）。
   fill both 保证延迟期间不可见；动画结束后由 JS 清类，不留永久合成层。 */
@keyframes t-rise {
  from { opacity: 0; transform: translateY(var(--distance-base)); filter: blur(var(--blur-small)); }
}
.t-rise { animation: t-rise var(--duration-slow) var(--ease-smooth-out) both; }
@media (prefers-reduced-motion: reduce) {
  .t-rise { animation: none !important; }
}

/* KPI 主数字换数：02-number-pop-in 的整元素版（模糊滑动，overshoot 只属入场） */
@keyframes t-pop {
  from {
    transform: translateY(var(--digit-distance));
    opacity: 0;
    filter: blur(var(--digit-blur));
  }
}
.t-pop { animation: t-pop var(--digit-dur) var(--digit-ease) both; }
@media (prefers-reduced-motion: reduce) {
  .t-pop { animation: none !important; }
}

/* 首载 skeleton → 内容：14-skeleton-reveal 的低成本替代 —— 骨架被 innerHTML
   同帧替换，内容层做 cross-fade + cross-blur 400ms（--reveal-*）。 */
@keyframes t-reveal {
  from { opacity: 0; filter: blur(var(--reveal-blur)); }
}
.content.is-revealing .panel { animation: t-reveal var(--reveal-dur) var(--reveal-ease) both; }
@media (prefers-reduced-motion: reduce) {
  .content.is-revealing .panel { animation: none !important; }
}

/* 趋势图柱子：从底部 scaleY 生长，按列 stagger（JS 写 delay，封顶 280ms） */
@keyframes bar-grow {
  from { transform: scaleY(0); }
}
.trend-bar.grow, .tseg.grow {
  transform-box: fill-box;
  transform-origin: bottom;
  animation: bar-grow var(--duration-slow) var(--ease-smooth-out) both;
}
@media (prefers-reduced-motion: reduce) {
  .trend-bar.grow, .tseg.grow { animation: none !important; }
}

/* 环形图弧段入场 draw（参考 spark-draw 700ms）：隐式 to 帧 = 元素的
   stroke-dasharray 呈现属性值，动画结束后自然回落到属性，不留 fill。 */
@keyframes donut-draw {
  from { stroke-dasharray: 0 100; }
}
.donut-arc.is-drawing { animation: donut-draw 700ms var(--ease-smooth-out); }
@media (prefers-reduced-motion: reduce) {
  .donut-arc.is-drawing { animation: none !important; }
}

/* 配额进度环入场 draw：同一手法，from = 整周长（--ring-c 由 JS 内联写入），
   to 帧 = stroke-dashoffset 属性目标值；日常数值变化仍走 700ms transition。 */
@keyframes ring-draw {
  from { stroke-dashoffset: var(--ring-c); }
}
.ring .ring-fg.is-drawing { animation: ring-draw 700ms var(--ease-smooth-out); }
@media (prefers-reduced-motion: reduce) {
  .ring .ring-fg.is-drawing { animation: none !important; }
}

/* 密钥门入场：06-modal 的 open 半拍 —— 250ms scale 0.96→1 + fade。
   gate 从 display:none 直接出现，from 帧 opacity:0 无白屏风险（整屏即 gate）。 */
@keyframes gate-in {
  from { transform: scale(var(--scale-large)); opacity: 0; }
}
.gate:not([hidden]) .gate-card { animation: gate-in var(--modal-open-dur) var(--modal-ease); }
@media (prefers-reduced-motion: reduce) {
  .gate:not([hidden]) .gate-card { animation: none !important; }
}

/* —— 12-error-state-shake.md（密钥门：shake + 错误边框；消息显隐仍由 hidden 驱动） —— */
/* Border-color tween。项目自有规则（.field-box.is-error）负责颜色，这里只管插值。 */
.t-input {
  transition: border-color 150ms ease-out, box-shadow var(--duration-fast) var(--ease-smooth-out);
  will-change: transform;
}
.t-input.is-error {
  transition: border-color var(--revert-dur, 280ms) ease-out, box-shadow var(--duration-fast) var(--ease-smooth-out);
}
/* 分段 keyframe：每段独立 cubic-bezier；% 停点为累计时长占比
   （80, 60, 80, 60 = 280ms → 28.57% / 57.14% / 78.57% / 100%） */
.t-input.is-shaking {
  animation: t-input-shake calc(
      var(--shake-dur-a) * 2 + var(--shake-dur-b) * 2
    ) linear;
}
@keyframes t-input-shake {
  0%      { transform: translateX(0);                                 animation-timing-function: var(--shake-ease); }
  28.57%  { transform: translateX(var(--shake-distance));             animation-timing-function: var(--shake-ease); }
  57.14%  { transform: translateX(calc(var(--shake-distance) * -1)); animation-timing-function: var(--shake-ease); }
  78.57%  { transform: translateX(var(--shake-overshoot));            animation-timing-function: var(--shake-ease); }
  100%    { transform: translateX(0); }
}
/* 项目化：错误边框颜色（catalog 只管 tween，不管配色） */
.field-box.is-error { border-color: var(--crit); }

@media (prefers-reduced-motion: reduce) {
  .t-input { animation: none !important; transform: none !important; will-change: auto; }
}

/* —— 17-tooltip.md（图标按钮 tooltip，纯 CSS；delay 只挂进入态） —— */
.t-tt-wrap {
  position: relative;
  display: inline-block;
}
.t-tt {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translate(-50%, 0) scale(var(--tt-scale));
  transform-origin: 50% 100%;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--tt-bg);
  color: var(--tt-fg);
  white-space: nowrap;
  font-size: 12px;
  font-weight: 500;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.06),
    0 2px 6px 0 rgba(0, 0, 0, 0.05),
    0 4px 42px 0 rgba(0, 0, 0, 0.06);
  opacity: 0;
  pointer-events: none;
  /* Default rule controls the LEAVE state. transition-delay
     stays unset so leaving plays without delay. */
  transition:
    opacity   var(--tt-out-dur) var(--tt-out-ease),
    transform var(--tt-out-dur) var(--tt-out-ease);
}
/* The delay belongs ONLY to the hover rule so leaving the
   trigger snaps it back to 0 and the disappear plays immediately. */
.t-tt-wrap:hover .t-tt,
.t-tt-trigger:focus-visible + .t-tt {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
  transition-duration: var(--tt-in-dur);
  transition-timing-function: var(--tt-in-ease);
  transition-delay: var(--tt-delay);
}

@media (prefers-reduced-motion: reduce) {
  .t-tt { transition: none !important; }
}

/* 项目配色重映射（只动 paint token，不动运动维度） */
:root {
  --tt-bg: var(--card);
  --tt-fg: var(--ink-2);
}
/* 顶栏按钮贴视口上缘，tooltip 翻到触发器下方，origin 同步换到顶部 */
.topbar .t-tt {
  bottom: auto;
  top: calc(100% + 8px);
  transform-origin: 50% 0%;
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ================= 附加组件（§6 覆盖率 / §10 无障碍） ================= */
.scroll-hint { display: none; font-size: 11px; color: var(--mute); margin: 0 0 6px; }
@media (max-width: 760px) { .scroll-hint { display: block; } }
.tbl caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hm-coverage { font-size: 11.5px; color: var(--mute); margin: 10px 0 0; }
.hm-coverage b { color: var(--ink); font-weight: 600; }
.hm-cov-devices { margin-top: 4px; display: flex; flex-wrap: wrap; gap: 4px 12px; }
.hm-cov-dev b { font-weight: 600; }
.hm-cov-warn { font-size: 11.5px; color: var(--warn, #b45309); margin: 6px 0 0; }
.aux-note { font-size: 12px; color: var(--mute); padding: 10px 0; }
.aux-note.err { color: var(--crit, #dc2626); }
.comp-warn { font-size: 11px; color: var(--warn, #b45309); }