/* ===== OS 5.0 — 对齐哨兵A / 红旗一号（白底侧栏 + 青绿主色 + 黑体） ===== */
@font-face {
  font-family: 'SimHei';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/simhei.ttf') format('truetype');
}
@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url('fonts/material-icons.woff2') format('woff2');
}

:root,
[data-theme="light"] {
  --ws-teal: #0A5563;
  --ws-teal-dark: #073F4C;
  --ws-teal-soft: #D6E6EA;
  --ws-ink: #1F2933;
  --ws-muted: #52606D;
  --ws-line: #D9E2EC;
  --ws-bg: #F7FAFC;
  --ws-card: #FFFFFF;
  --bg: var(--ws-bg);
  --surface: var(--ws-card);
  --panel: #FFFFFF;
  --line: var(--ws-line);
  --text: var(--ws-ink);
  --muted: var(--ws-muted);
  --primary: var(--ws-teal);
  --primary-2: var(--ws-teal-dark);
  --accent: var(--ws-teal);
  --danger: #C81E1E;
  --ok: #1E8E5A;
  --warn: #C96E28;
  --shadow: none;
  --radius: 0;
  --font: "SimHei", "黑体", "Heiti SC", "STHeiti", Helvetica, Arial, "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
  --sidebar-width: 240px;
}

[data-theme="dark"] {
  --bg: #070b14;
  --surface: #0e1626;
  --panel: #121c2f;
  --line: rgba(148, 163, 184, 0.14);
  --text: #e8eef9;
  --muted: #93a4bf;
  --primary: #1aa6b0;
  --primary-2: #0d7c86;
  --accent: #e8b84a;
  --danger: #ef5b6c;
  --ok: #3ecf8e;
  --warn: #f0a202;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  font-synthesis: none;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

button, input, select, textarea,
.nav button, .side-brand, .page-title h1, .card h3, .btn, .table, th, td, label {
  font-family: var(--font);
}
button, input, select, textarea { font: inherit; }
a { color: inherit; }

#app { min-height: 100%; }

/* Landing */
.landing {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0;
}
.landing-hero {
  padding: 64px 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.brand-mark .logo {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #0a5c64);
  display: grid; place-items: center; font-weight: 800; color: white;
  box-shadow: 0 10px 30px rgba(26,166,176,.35);
}
.brand-mark .name { font-size: 18px; font-weight: 700; letter-spacing: 0.02em; }
.brand-mark .ver { color: var(--muted); font-size: 12px; }
.landing h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: -0.03em;
  max-width: 12ch;
}
.landing .lede {
  color: var(--muted);
  font-size: 17px;
  max-width: 46ch;
  line-height: 1.6;
  margin-bottom: 28px;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  border: 1px solid transparent;
  border-radius: 0;
  padding: 10px 18px;
  cursor: pointer;
  transition: .15s ease;
  font-weight: 600;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-2); border-color: var(--primary-2); }
.btn-ghost {
  background: transparent; color: var(--primary); border-color: var(--line);
}
.btn-ghost:hover { background: var(--ws-teal-soft, rgba(10,85,99,.08)); border-color: var(--primary); }
.landing-panel {
  margin: 28px;
  border-radius: 28px;
  background: rgba(14, 22, 38, 0.72);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
[data-theme="light"] .landing-panel { background: rgba(255,255,255,.9); }
.landing-panel h2 { margin: 0 0 8px; font-size: 22px; }
.landing-panel p { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 12px; color: var(--muted); }
.field input, .field select {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
}
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.pill {
  font-size: 11px; padding: 4px 10px; border-radius: 0;
  border: 1px solid var(--line); color: var(--muted);
  background: #fff;
}
[data-theme="dark"] .pill { border-radius: 999px; background: transparent; }

/* Shell — 白底侧栏对齐哨兵A */
.shell { display: grid; grid-template-columns: var(--sidebar-width, 240px) 1fr; min-height: 100vh; }
.sidebar {
  border-right: 1px solid var(--line);
  background: #fff;
  padding: 0;
  display: flex; flex-direction: column; gap: 0;
  position: sticky; top: 0; height: 100vh; overflow: hidden;
}
[data-theme="dark"] .sidebar { background: rgba(8, 12, 22, 0.92); }
.side-brand {
  display: flex; gap: 8px; align-items: center;
  padding: 16px; border-bottom: 1px solid var(--line); margin-bottom: 4px;
}
.side-brand .logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--ws-teal-soft, #D6E6EA);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(10,85,99,0.2);
  display: grid; place-items: center; font-weight: 700; font-size: 14px;
}
[data-theme="dark"] .side-brand .logo {
  background: linear-gradient(135deg, var(--primary), #0a5c64); color: #fff; box-shadow: none;
}
.side-brand strong { display: block; font-size: 15px; color: var(--primary); letter-spacing: 0.5px; }
.side-brand span { color: var(--muted); font-size: 11px; font-weight: 400; }
.nav {
  overflow: auto; flex: 1; display: flex; flex-direction: column; gap: 0;
  padding: 0 0 12px;
}
.nav button {
  text-align: left; background: transparent; border: 0; color: var(--muted);
  padding: 9px 14px; border-radius: 0; cursor: pointer;
  display: flex; gap: 8px; align-items: center;
  font-size: 13px; font-weight: 500;
  border-left: 3px solid transparent;
}
.nav button:hover { background: #F3F8F9; color: var(--text); }
.nav button.active {
  background: var(--ws-teal-soft, #D6E6EA);
  color: var(--ws-teal-dark, var(--primary-2));
  font-weight: 700;
  border-left-color: var(--primary);
}
[data-theme="dark"] .nav button:hover { background: rgba(26,166,176,.08); color: var(--text); }
[data-theme="dark"] .nav button.active {
  background: linear-gradient(90deg, rgba(26,166,176,.2), transparent);
  color: var(--text); border: 1px solid rgba(26,166,176,.25); border-left-width: 3px;
}
.nav .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--primary); opacity: .7; flex-shrink: 0;
}
.side-foot { padding: 12px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }

.main { display: grid; grid-template-rows: auto 1fr; min-width: 0; background: var(--bg); }
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 28px; border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky; top: 0; z-index: 5;
}
[data-theme="dark"] .topbar { background: rgba(7,11,20,.85); }
.search {
  flex: 1; display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 0; padding: 8px 14px;
}
[data-theme="dark"] .search { background: var(--panel); border-radius: 999px; }
.search input {
  flex: 1; border: 0; outline: 0; background: transparent; color: var(--text);
}
.top-actions { display: flex; gap: 8px; align-items: center; }
.icon-btn {
  border: 1px solid var(--line); background: #fff; color: var(--text);
  border-radius: 0; padding: 8px 12px; cursor: pointer;
}
.icon-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--ws-teal-soft, #F3F8F9); }
[data-theme="dark"] .icon-btn { background: var(--panel); border-radius: 999px; }
.content { padding: 24px 28px; overflow: auto; }

.page-title { display: flex; justify-content: space-between; align-items: end; gap: 12px; margin-bottom: 18px; }
.page-title h1 { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: 0; color: var(--text); }
.page-title p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }

.grid { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
[data-theme="dark"] .card {
  background: linear-gradient(180deg, rgba(18,28,47,.92), rgba(14,22,38,.92));
}
.card h3 { margin: 0 0 8px; font-size: 14px; color: var(--primary-2); font-weight: 600; }
.metric { font-size: 28px; font-weight: 750; letter-spacing: -0.03em; }
.metric small { font-size: 12px; color: var(--muted); font-weight: 500; margin-left: 6px; }
.chart { height: 260px; width: 100%; }
.chart-sm { height: 180px; }

.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.table th { color: var(--muted); font-weight: 600; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 8px; border-radius: 999px; font-size: 11px;
  border: 1px solid var(--line);
}
.badge.ok { color: var(--ok); border-color: rgba(62,207,142,.35); }
.badge.warn { color: var(--warn); border-color: rgba(240,162,2,.35); }
.badge.crit { color: var(--danger); border-color: rgba(239,91,108,.35); }
.empty-state {
  padding: 28px 16px; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: 12px;
}
.empty-state strong { display: block; color: var(--text); margin-bottom: 6px; }
.empty-state p { margin: 0; font-size: 13px; }

.studio {
  min-height: 420px; border: 1px dashed rgba(26,166,176,.35);
  border-radius: 16px; display: grid; place-items: center; color: var(--muted);
  background:
    linear-gradient(90deg, rgba(26,166,176,.05) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(rgba(26,166,176,.05) 1px, transparent 1px) 0 0 / 24px 24px;
}
.twin-stage {
  height: 420px; border-radius: 16px; overflow: hidden; position: relative;
  background: radial-gradient(circle at 50% 30%, rgba(26,166,176,.25), transparent 45%), #05080f;
  border: 1px solid var(--line);
}
.twin-stage .layer {
  position: absolute; inset: 18% 16% 22% 16%;
  border: 1px solid rgba(26,166,176,.45); border-radius: 12px;
  box-shadow: inset 0 0 40px rgba(26,166,176,.15);
}
.twin-stage .node {
  position: absolute; width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 16px rgba(232,184,74,.8);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: .65; }
}

.copilot {
  position: fixed; right: 18px; bottom: 18px; width: 380px; max-width: calc(100vw - 24px);
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); display: none; flex-direction: column; overflow: hidden; z-index: 20;
}
.copilot.open { display: flex; }
.copilot-head {
  padding: 12px 14px; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
.copilot-body { padding: 12px; height: 280px; overflow: auto; display: flex; flex-direction: column; gap: 10px; }
.msg { padding: 10px 12px; border-radius: 12px; font-size: 13px; line-height: 1.5; }
.msg.user { background: rgba(26,166,176,.15); align-self: flex-end; }
.msg.bot { background: var(--panel); border: 1px solid var(--line); }
.copilot-foot { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.copilot-foot input {
  flex: 1; border-radius: 999px; border: 1px solid var(--line); background: var(--panel);
  color: var(--text); padding: 10px 12px;
}

.hidden { display: none !important; }
.loading { color: var(--muted); font-size: 13px; }
.mono { font-family: var(--mono); font-size: 11px; white-space: pre-wrap; word-break: break-word; max-height: 360px; overflow: auto; }
.banner {
  margin-top: 16px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line);
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.banner.danger { border-color: rgba(239,91,108,.45); color: var(--danger); background: rgba(239,91,108,.08); }
.banner.warn { border-color: rgba(240,162,2,.45); color: var(--warn); background: rgba(240,162,2,.08); }
.spinner-row { display: flex; align-items: center; gap: 10px; margin-top: 16px; color: var(--muted); }
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(26,166,176,.25); border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn.busy, .btn:disabled { opacity: .55; cursor: wait; }
.skeleton {
  padding: 28px; border-radius: 16px; color: var(--muted);
  background: linear-gradient(90deg, rgba(148,163,184,.08), rgba(148,163,184,.16), rgba(148,163,184,.08));
  background-size: 200% 100%; animation: shimmer 1.4s infinite;
}
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
  padding: 10px 16px; border-radius: 999px; opacity: 0; pointer-events: none;
  transition: .25s ease; z-index: 40; box-shadow: var(--shadow);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.notify-panel {
  margin: 0 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface);
  padding: 10px; max-height: 220px; overflow: auto;
}
.notify-item { padding: 8px 10px; border-bottom: 1px solid var(--line); }
.notify-item:last-child { border-bottom: 0; }
.notify-item p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.menu-toggle { display: none; }
.nav-backdrop { display: none; }
.engine-badge {
  display: inline-block; font-size: 10px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid rgba(26,166,176,.35); color: var(--primary); margin-bottom: 6px;
}
.cites { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 12px; }

@media (max-width: 1100px) {
  .landing { grid-template-columns: 1fr; }
  .landing-hero { padding: 36px 24px 8px; }
  .landing h1 { max-width: none; }
  .grid-4, .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .shell { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-flex; }
  .sidebar {
    display: flex; position: fixed; inset: 0 auto 0 0; width: min(280px, 86vw);
    transform: translateX(-105%); transition: transform .2s ease; z-index: 30;
  }
  .shell.nav-open .sidebar { transform: translateX(0); }
  .shell.nav-open .nav-backdrop {
    display: block; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 25;
  }
}
@media (max-width: 720px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .landing-panel { margin: 12px; padding: 22px; }
}

/* Task081 operable portal workbench */
.portal-hero { margin-top: 4px; }
.portal-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.kpi-tile, .card.kpi-click {
  text-align: left;
  cursor: pointer;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  padding: 16px 18px;
  color: inherit;
  transition: border-color .15s ease, background .15s ease;
}
.kpi-tile:hover, .card.kpi-click:hover {
  border-color: var(--primary);
  background: var(--ws-teal-soft, #F3F8F9);
}
[data-theme="dark"] .kpi-tile, [data-theme="dark"] .card.kpi-click { background: var(--panel); border-radius: 14px; }
[data-theme="dark"] .kpi-tile:hover, [data-theme="dark"] .card.kpi-click:hover {
  border-color: rgba(26,166,176,.55);
  background: var(--panel);
}
.kpi-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 600;
}
.qa-grid, .home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.qa-btn, .home-tile {
  text-align: left;
  border: 1px solid var(--line);
  background: #fff;
  color: inherit;
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
}
.qa-btn:hover, .home-tile:hover { border-color: var(--primary); background: var(--ws-teal-soft, #F3F8F9); }
[data-theme="dark"] .qa-btn, [data-theme="dark"] .home-tile { background: transparent; border-radius: 12px; }
.home-tile strong { display: block; margin-bottom: 4px; }
.home-tile span { font-size: 12px; color: var(--muted); }
.todo-rail { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.todo-item {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  text-align: left;
  border: 1px solid var(--line);
  background: transparent;
  color: inherit;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
}
.todo-item:hover { border-color: rgba(240,162,2,.45); }
.todo-title { font-size: 13px; }
.todo-src { font-size: 11px; color: var(--muted); }
.notify-link {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: transparent; border: 0; border-bottom: 1px solid var(--line);
  color: inherit; padding: 12px 14px;
}
.notify-link:hover { background: rgba(26,166,176,.08); }
.search-panel { border-color: rgba(26,166,176,.35); }
@media (max-width: 960px) {
  .portal-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .portal-kpis, .qa-grid, .home-grid { grid-template-columns: 1fr; }
}

/* Task082 cockpit */
.cockpit-kpis { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.kpi-tile.tone-crit { border-color: rgba(239,91,108,.45); }
.kpi-tile.tone-warn { border-color: rgba(240,162,2,.4); }
.kpi-tile.tone-ok { border-color: rgba(62,207,142,.35); }
.kpi-tile.tone-muted { opacity: .85; }
.pill-btn {
  cursor: pointer;
  background: transparent;
  color: inherit;
}
.pill-btn:hover { border-color: rgba(26,166,176,.55); color: var(--accent, #1aa6b0); }
.panel-click {
  cursor: pointer;
  text-align: left;
  width: 100%;
  color: inherit;
  font: inherit;
}
.panel-click:hover { border-color: rgba(26,166,176,.5); }
.panel-go {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  color: var(--accent, #1aa6b0);
  font-weight: 600;
}
.muted { color: var(--muted); font-weight: 500; }
.row-link { cursor: pointer; }
.row-link:hover td { background: rgba(26,166,176,.06); }
@media (max-width: 1200px) {
  .cockpit-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .cockpit-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Task083 risk ops */
.risk-toolbar .field-inline {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.risk-toolbar input {
  flex: 1;
  min-width: 180px;
  border: 1px solid var(--line);
  background: transparent;
  color: inherit;
  border-radius: 10px;
  padding: 10px 12px;
}
.pill.pill-btn.active {
  border-color: rgba(26,166,176,.7);
  color: var(--accent, #1aa6b0);
  background: rgba(26,166,176,.1);
}
.kv-list {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}
.kv-row {
  display: grid;
  grid-template-columns: minmax(96px, 36%) 1fr;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(147, 164, 191, 0.12);
}
.kv-key {
  color: #93a4bf;
  font-size: 12px;
}
.kv-val {
  color: inherit;
  font-size: 13px;
  word-break: break-word;
}
[data-theme="light"] .kv-row {
  background: #f6f8fb;
  border-color: #e6ebf2;
}
.probe-detail .kv-list {
  margin-top: 6px;
}
.detail-panel {
  border-color: rgba(26,166,176,.4);
}
.detail-json {
  max-height: 280px;
  overflow: auto;
  font-size: 12px;
  margin: 0;
  padding: 12px;
  border-radius: 10px;
  background: rgba(0,0,0,.2);
  border: 1px solid var(--line);
}
[data-theme="light"] .detail-json { background: #f6f8fb; }
a.pill-btn { text-decoration: none; display: inline-flex; align-items: center; }

.form-grid {
  display: grid;
  gap: 10px;
}
.form-grid label {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.form-grid input,
.form-grid select,
.form-grid textarea,
textarea.mono {
  width: 100%;
  border-radius: 0;
  border: 1px solid var(--line);
  background: #fff;
  color: inherit;
  padding: 8px 10px;
  font: inherit;
  font-family: var(--font);
}
[data-theme="dark"] .form-grid input,
[data-theme="dark"] .form-grid select,
[data-theme="dark"] .form-grid textarea,
[data-theme="dark"] textarea.mono {
  border-radius: 8px;
  background: rgba(255,255,255,.04);
  border-color: rgba(147,164,191,.25);
}
.todo-list { margin: 8px 0 0; padding-left: 18px; }
.todo-list li { margin: 4px 0; font-size: 13px; }

/* Full-screen login gate — 对齐哨兵A / 红旗白底 */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ws-bg, #F7FAFC);
}
.login-overlay.is-hidden { display: none !important; }
.login-box {
  width: 380px;
  max-width: 90vw;
  padding: 36px 28px;
  border-radius: 0;
  background: #fff;
  border: 1px solid var(--ws-line, #D9E2EC);
  box-shadow: none;
  text-align: center;
}
.login-brand {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--ws-teal, #0A5563);
  background: var(--ws-teal-soft, #D6E6EA);
  box-shadow: inset 0 0 0 1px rgba(10,85,99,0.2);
}
.login-box h2 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  color: var(--ws-teal, #0A5563);
  font-family: var(--font);
}
.login-box .sub {
  margin: 0 0 24px;
  font-size: 13px;
  color: var(--ws-muted, #52606D);
}
.login-input {
  width: 100%;
  box-sizing: border-box;
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 0;
  border: 1px solid var(--ws-line, #D9E2EC);
  background: #fff;
  color: var(--ws-ink, #1F2933);
  font: inherit;
  font-family: var(--font);
  outline: none;
}
.login-input:focus { border-color: var(--ws-teal, #0A5563); }
.login-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
  text-align: left;
  font-size: 12px;
  color: var(--ws-muted, #52606D);
}
.login-meta select {
  width: 100%;
  margin-top: 4px;
  padding: 8px;
  border-radius: 0;
  border: 1px solid var(--ws-line, #D9E2EC);
  background: #fff;
  color: var(--ws-ink, #1F2933);
  font-family: var(--font);
}
.login-box .w-full { width: 100%; }
.login-error {
  margin: 12px 0 0;
  color: var(--danger, #C81E1E);
  font-size: 13px;
  text-align: center;
}
.lineage-drawer {
  position: fixed;
  inset: 0;
  background: rgba(31, 41, 51, 0.35);
  z-index: 1800;
  display: flex;
  justify-content: flex-end;
}
.lineage-drawer-inner {
  width: min(440px, 100%);
  height: 100%;
  background: #fff;
  border-left: 1px solid var(--ws-line, #D9E2EC);
  padding: 20px;
  overflow: auto;
  color: var(--ws-ink, #1F2933);
}
[data-theme="dark"] .lineage-drawer-inner {
  background: #121c2c;
  border-left-color: rgba(147, 164, 191, 0.2);
  color: #e8eef7;
}
.lineage-json {
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  background: #F7FAFC;
  border: 1px solid var(--ws-line, #D9E2EC);
  padding: 10px 12px;
  margin: 10px 0;
  max-height: 45vh;
  overflow: auto;
}
[data-theme="dark"] .lineage-json {
  background: rgba(0, 0, 0, 0.25);
  border-color: rgba(147, 164, 191, 0.15);
}
.lineage-drawer.is-hidden { display: none !important; }
.workspace-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin: 12px 0;
}