:root {
  --bg: #f2f3f6;
  --surface: #ffffff;
  --ink: #101828;
  --ink-muted: #667085;
  --accent: #2a3f8f;
  --accent-hover: #1f3172;
  --accent-wash: #eef1fb;
  --accent-wash-border: #c7d0ee;
  --line: #e4e7ec;
  --line-dashed: #e4e7ec;
  --ok: #067647;
  --ok-fill: #12b76a;
  --ok-wash: #e8f8ef;
  --ok-border: #a6e9c4;
  --danger: #b42318;
  --danger-fill: #f04438;
  --danger-wash: #feeceb;
  --danger-border: #fbc4c0;
  --warn: #b54708;
  --warn-fill: #f79009;
  --warn-wash: #fff6e8;
  --warn-border: #f5d08a;
  --radius: 12px;
  --radius-sm: 8px;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--ink);
  margin: 0;
  padding: 1.5rem 2rem 3rem;
  -webkit-font-smoothing: antialiased;
}

.shell { max-width: 1320px; margin: 0 auto; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 1.75rem; letter-spacing: -0.02em; font-weight: 600; margin: 0.2rem 0 0.25rem; }
h2 { font-size: 1.05rem; font-weight: 600; margin: 0 0 0.6rem; }
.subtitle { color: var(--ink-muted); margin: 0 0 1.25rem; font-size: 0.9rem; }
.crumb { font-size: 0.8rem; color: var(--ink-muted); margin: 0 0 0.25rem; }

.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  margin-bottom: 1.5rem; padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--line-dashed);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 0.4rem; font-weight: 600; font-size: 0.98rem; color: var(--ink); }
.brand .arrow { color: var(--accent); font-weight: 900; }
.brand .mark { font-family: var(--mono); font-size: 0.7rem; color: var(--ink-muted); letter-spacing: 0.08em; }
.nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; font-size: 0.85rem; }
.nav a { color: var(--ink-muted); }
.nav a.on { color: var(--ink); font-weight: 600; }
.nav a:hover { color: var(--accent); text-decoration: none; }

.tag, .pill {
  display: inline-block; font-family: var(--mono); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.08em; padding: 0.18rem 0.45rem;
  border: 1px dashed var(--line-dashed); color: var(--ink-muted);
  white-space: nowrap;
}
.pill-solid { border-style: solid; background: var(--bg); }

.card {
  border: 1px solid var(--line); padding: 1rem 1.2rem; background: var(--surface);
  border-radius: var(--radius);
}

.kpi-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.75rem; margin-bottom: 1.25rem; }
.kpi { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 0.9rem 1rem; }
.kpi-label { font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-muted); }
.kpi-num { font-size: 1.7rem; font-weight: 600; letter-spacing: -0.03em; margin: 0.2rem 0 0.1rem; }
.kpi-sub { font-size: 0.75rem; color: var(--ink-muted); }

.grid-2 { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; align-items: start; }
.stack { display: flex; flex-direction: column; gap: 1rem; }

.section-title { font-size: 1rem; font-weight: 600; margin: 1.6rem 0 0.6rem; display: flex; align-items: baseline; gap: 0.6rem; }
.section-title .hint { font-size: 0.78rem; color: var(--ink-muted); font-weight: 400; }

table { border-collapse: collapse; width: 100%; font-size: 0.88rem; }
th, td { padding: 0.6rem 0.7rem; border-bottom: 1px dashed var(--line-dashed); text-align: left; vertical-align: top; }
thead th { border-bottom: 1px solid var(--line); }
th {
  color: var(--ink-muted); font-weight: 500; background: var(--bg);
  font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em;
  position: sticky; top: 0; z-index: 1;
}
tr:hover td { background: #fbfbfd; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); max-height: 76vh; overflow-y: auto; }
.table-wrap table { min-width: 100%; }
.nowrap { white-space: nowrap; }
.muted { color: var(--ink-muted); }
.small { font-size: 0.78rem; }
.mono { font-family: var(--mono); font-size: 0.8rem; }

.tier { display: inline-block; font-family: var(--mono); font-size: 0.72rem; font-weight: 600; padding: 0.12rem 0.4rem; border-radius: 4px; white-space: nowrap; }
.tier-T1 { color: var(--ok); background: var(--ok-wash); border: 1px solid var(--ok-border); }
.tier-T2 { color: var(--accent); background: var(--accent-wash); border: 1px solid var(--accent-wash-border); }
.tier-T3 { color: var(--warn); background: var(--warn-wash); border: 1px solid var(--warn-border); }
.tier-T4 { color: var(--ink-muted); background: var(--bg); border: 1px solid var(--line); }
.tier-T5 { color: var(--danger); background: var(--danger-wash); border: 1px solid var(--danger-border); }

.status { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.78rem; white-space: nowrap; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--line); }
.status-corroborated { color: var(--ok); }
.status-corroborated::before { background: var(--ok); }
.status-single_source { color: var(--warn); }
.status-single_source::before { background: var(--warn); }
.status-contradicted { color: var(--danger); }
.status-contradicted::before { background: var(--danger); }
.status-stale { color: var(--ink-muted); }
.status-stale::before { background: var(--ink-muted); }
.status-extracted { color: var(--accent); }
.status-extracted::before { background: var(--accent); }

.quote {
  font-family: var(--mono); font-size: 0.78rem; line-height: 1.5; color: #333d4f;
  background: #fbfbfd; border-left: 3px solid var(--accent-wash-border);
  padding: 0.45rem 0.6rem; margin-top: 0.35rem; max-width: 52rem;
}
.locator { font-family: var(--mono); font-size: 0.7rem; color: var(--ink-muted); margin-top: 0.2rem; }

.bar-row { display: grid; grid-template-columns: 3.2rem minmax(0, 1fr) 3rem; gap: 0.5rem; align-items: center; margin: 0.45rem 0; }
.bar-label { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-muted); }
.bar-track { height: 8px; background: var(--bg); border-radius: 99px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 99px; }
.bar-fill.ok { background: var(--ok); }
.bar-fill.warn { background: var(--warn); }
.bar-fill.muted { background: #98a2b3; }
.bar-num { font-family: var(--mono); font-size: 0.75rem; text-align: right; }

.filterbar { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; margin: 0 0 0.9rem; }
.filterbar input, .filterbar select {
  font: inherit; font-size: 0.84rem; padding: 0.42rem 0.55rem;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  border-radius: var(--radius-sm); min-width: 8rem;
}
.filterbar input[type=text] { min-width: 16rem; }
.filterbar input:focus, .filterbar select:focus { outline: none; border-color: var(--accent); }
.btn {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  padding: 0.42rem 0.8rem; cursor: pointer; font: inherit; font-size: 0.82rem;
  border-radius: var(--radius-sm); display: inline-block;
}
.btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.btn-primary { border-color: var(--accent); background: var(--accent-wash); color: var(--accent); }
.btn-sm { font-size: 0.75rem; padding: 0.28rem 0.55rem; }

.notice { border: 1px dashed var(--accent-wash-border); background: var(--accent-wash); color: var(--accent); padding: 0.55rem 0.8rem; font-size: 0.84rem; border-radius: var(--radius-sm); margin-bottom: 1rem; }
.warn-box { border: 1px dashed var(--warn-border); background: var(--warn-wash); color: var(--warn); padding: 0.55rem 0.8rem; font-size: 0.84rem; border-radius: var(--radius-sm); }
.empty { padding: 2rem; text-align: center; color: var(--ink-muted); font-size: 0.9rem; }

.org-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; flex-wrap: wrap; }
.org-title { display: flex; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; }
.org-alias { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-muted); }
.org-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.5rem; }

.source-code { font-family: var(--mono); font-size: 0.78rem; font-weight: 600; }
.code-200 { color: var(--ok); }
.code-403, .code-412, .code-000, .code-500, .code-405 { color: var(--danger); }
.code-429, .code-302, .code-202 { color: var(--warn); }

.foot { margin-top: 2rem; padding-top: 0.8rem; border-top: 1px dashed var(--line-dashed); color: var(--ink-muted); font-size: 0.75rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  body { padding: 0.9rem 1rem 2rem; }
  h1 { font-size: 1.4rem; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filterbar input[type=text] { min-width: 0; width: 100%; }
  .table-wrap { border-radius: var(--radius-sm); }
  th { position: static; }
}

/* auth */
.who { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-muted); }
.inline-form { display: inline; margin: 0; }
.linkbtn { border: 0; background: none; padding: 0; font: inherit; font-size: 0.85rem; color: var(--ink-muted); cursor: pointer; }
.linkbtn:hover { color: var(--accent); text-decoration: underline; }
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 2rem 1rem; }
.auth-wrap { width: 100%; max-width: 420px; }
.auth-brand { display: inline-flex; margin-bottom: 1rem; }
.auth-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem 1.6rem 1.2rem; }
.auth-card h1 { margin-top: 0.1rem; }
.auth-form { display: flex; flex-direction: column; gap: 0.8rem; margin-top: 1rem; }
.auth-form-wide { max-width: 26rem; }
.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field span { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.field input { font: inherit; font-size: 0.9rem; padding: 0.55rem 0.65rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); }
.field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
.auth-submit { width: 100%; padding: 0.55rem 0.8rem; }
.auth-note { font-size: 0.72rem; color: var(--ink-muted); margin: 1rem 0 0; line-height: 1.5; }
.alert { border: 1px solid var(--danger-border); background: var(--danger-wash); color: var(--danger); padding: 0.55rem 0.8rem; font-size: 0.84rem; border-radius: var(--radius-sm); margin: 0.8rem 0; }

/* matrix */
.gap { display: inline-block; font-family: var(--mono); font-size: 0.7rem; padding: 0.15rem 0.45rem; border-radius: 4px; white-space: nowrap; border: 1px solid var(--line); color: var(--ink-muted); background: var(--bg); }
.gap-green { color: var(--ok); background: var(--ok-wash); border-color: var(--ok-border); }
.gap-yellow { color: var(--warn); background: var(--warn-wash); border-color: var(--warn-border); }
.gap-red { color: var(--danger); background: var(--danger-wash); border-color: var(--danger-border); }
.gap-unknown { color: var(--ink-muted); background: var(--bg); border-color: var(--line); }

.status { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; }
.status::before { content: ""; width: 0.55rem; height: 0.55rem; border-radius: 50%; background: #98a2b3; }
.status.yes::before { background: var(--ok-fill); }
.status.no { color: var(--ink-muted); }