/* custody-recon-demo — vanilla CSS, no build step, no external assets */

:root {
  --bg: #f3f5f8;
  --surface: #ffffff;
  --surface-muted: #f0f2f6;
  --border: #dce0e8;
  --border-strong: #c4cad6;
  --text: #171b23;
  --text-muted: #616a7a;
  --accent: #1f5fa8;
  --accent-soft: rgba(31, 95, 168, 0.10);
  --ok: #157347;
  --ok-soft: rgba(21, 115, 71, 0.12);
  --warn: #b45309;
  --warn-soft: rgba(180, 83, 9, 0.14);
  --fail: #c02626;
  --fail-soft: rgba(192, 38, 38, 0.12);
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 1px 8px rgba(15, 23, 42, 0.05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #13161c;
    --surface: #1b1f27;
    --surface-muted: #232833;
    --border: #313846;
    --border-strong: #3d4553;
    --text: #e7eaf1;
    --text-muted: #98a1b2;
    --accent: #6fa5f2;
    --accent-soft: rgba(111, 165, 242, 0.14);
    --ok: #4ade80;
    --ok-soft: rgba(74, 222, 128, 0.13);
    --warn: #fbbf24;
    --warn-soft: rgba(251, 191, 36, 0.14);
    --fail: #f87171;
    --fail-soft: rgba(248, 113, 113, 0.14);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 8px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.page { max-width: 1440px; margin: 0 auto; padding: 22px 20px 44px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ---------- header ---------- */

.head { margin-bottom: 18px; }
.head__row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.head__title { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.head__lead { margin: 8px 0 0; max-width: 92ch; color: var(--text-muted); font-size: 14px; }
.head__lead strong { color: var(--text); }
.head__note { margin: 6px 0 0; font-size: 13px; color: var(--text-muted); }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.01em;
  border: 1px solid var(--border-strong); color: var(--text-muted);
}
.badge--demo { background: var(--surface-muted); }
.badge--critical { color: var(--fail); background: var(--fail-soft); border-color: transparent; }
.badge--high { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.badge--medium { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.badge--ok { color: var(--ok); background: var(--ok-soft); border-color: transparent; }

/* ---------- layout ---------- */

.layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(360px, 1fr); gap: 16px; }
@media (max-width: 1080px) { .layout { grid-template-columns: minmax(0, 1fr); } }

.col { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px;
}
.card__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 10px;
}
.card__title { margin: 0; font-size: 15px; letter-spacing: -0.005em; }
.card__hint { font-size: 12px; color: var(--text-muted); }
.card__foot { margin: 8px 0 0; font-size: 11.5px; color: var(--text-muted); }

/* ---------- stats ---------- */

.stats {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px 14px; margin: 0;
}
.stats--tight { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
.stats div { min-width: 0; }
.stats dt { font-size: 11.5px; color: var(--text-muted); text-transform: lowercase; }
.stats dd { margin: 0; font-size: 14px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.stats dd.mono { font-family: var(--mono); font-size: 12.5px; }

/* ---------- seed box ---------- */

.seedbox { display: flex; align-items: center; gap: 6px; }
.seedbox__label { font-size: 11.5px; color: var(--text-muted); }
.seedbox__input {
  width: 108px; padding: 4px 7px; font-family: var(--mono); font-size: 12.5px;
  color: var(--text); background: var(--surface-muted);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}

.btn {
  border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  padding: 5px 11px; font-size: 13px; cursor: pointer;
  background: var(--surface-muted); color: var(--text);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.55; cursor: default; border-color: var(--border); color: var(--text-muted); }
.btn--primary { background: var(--accent); color: #fff; border-color: transparent; font-weight: 600; }
.btn--primary:hover { filter: brightness(1.08); color: #fff; }
.btn--ghost { background: transparent; }

.select {
  padding: 5px 8px; font-size: 13px; color: var(--text);
  background: var(--surface-muted); border: 1px solid var(--border);
  border-radius: var(--radius-sm); max-width: 100%;
}

/* ---------- equation ---------- */

.equation { display: flex; flex-direction: column; gap: 8px; }
.eqrow {
  display: grid; grid-template-columns: 60px repeat(3, minmax(0, 1fr)) auto;
  gap: 10px; align-items: center; padding: 8px 10px;
  background: var(--surface-muted); border-radius: var(--radius-sm);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 620px) { .eqrow { grid-template-columns: 1fr 1fr; } }
.eqrow__asset { font-weight: 600; }
.eqrow__cell { min-width: 0; }
.eqrow__label { display: block; font-size: 11px; color: var(--text-muted); }
.eqrow__value { font-family: var(--mono); font-size: 12.5px; overflow-wrap: anywhere; }
.eqrow__value--bad { color: var(--fail); }
.eqrow__value--good { color: var(--ok); }

/* ---------- verification ---------- */

.verify { display: flex; flex-direction: column; gap: 10px; }
.verify__head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13.5px; }
.verify__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 6px; }
.verify__item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 5px 9px; background: var(--surface-muted); border-radius: var(--radius-sm);
  font-size: 12.5px;
}
.verify__class { font-family: var(--mono); font-size: 11.5px; color: var(--text-muted); overflow-wrap: anywhere; }
.verify__score { font-variant-numeric: tabular-nums; }

/* ---------- table ---------- */

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.tablewrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 7px 8px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { font-size: 11.5px; color: var(--text-muted); font-weight: 600; text-transform: lowercase; }
.table tbody tr { cursor: pointer; }
.table tbody tr:hover { background: var(--accent-soft); }
.table tbody tr.is-active { background: var(--accent-soft); }
.table td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.table td.subject { font-family: var(--mono); font-size: 11.5px; color: var(--text-muted); }
.table .cls { font-family: var(--mono); font-size: 11.5px; }

.detail {
  margin-top: 12px; padding: 11px 12px; background: var(--surface-muted);
  border-radius: var(--radius-sm); font-size: 13px;
}
.detail__title { margin: 0 0 6px; font-size: 13.5px; font-weight: 600; }
.detail__summary { margin: 0 0 8px; }
.detail__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px 14px; }
.detail__key { font-size: 11px; color: var(--text-muted); }
.detail__value { font-family: var(--mono); font-size: 11.5px; overflow-wrap: anywhere; }

/* ---------- chat ---------- */

.card--chat { display: flex; flex-direction: column; min-height: 520px; }

.examples { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.example {
  padding: 4px 9px; font-size: 12.5px; text-align: left;
  border: 1px dashed var(--border-strong); border-radius: 999px;
  background: transparent; color: var(--text-muted); cursor: pointer;
}
.example:hover { color: var(--accent); border-color: var(--accent); }

.thread { flex: 1; display: flex; flex-direction: column; gap: 12px; overflow-y: auto; max-height: 62vh; padding-right: 2px; }

.msg { display: flex; flex-direction: column; gap: 5px; }
.msg__body {
  padding: 9px 11px; border-radius: var(--radius-sm); font-size: 13.5px;
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.msg--user .msg__body { background: var(--accent-soft); align-self: flex-end; max-width: 88%; }
.msg--user { align-items: flex-end; }
.msg--bot .msg__body { background: var(--surface-muted); }
.msg--bot.is-blocked .msg__body { background: var(--fail-soft); }

.msg__meta { display: flex; flex-wrap: wrap; gap: 5px; font-size: 11px; color: var(--text-muted); }
.chip {
  padding: 1px 7px; border-radius: 999px; background: var(--surface-muted);
  border: 1px solid var(--border); font-variant-numeric: tabular-nums;
}
.chip--tool { font-family: var(--mono); font-size: 10.5px; }
.chip--ok { color: var(--ok); border-color: transparent; background: var(--ok-soft); }
.chip--bad { color: var(--fail); border-color: transparent; background: var(--fail-soft); }
.chip--cost { color: var(--accent); border-color: transparent; background: var(--accent-soft); }

.composer { display: flex; gap: 8px; margin-top: 12px; }
.composer__input {
  flex: 1; min-width: 0; padding: 8px 10px; font-size: 13.5px; color: var(--text);
  background: var(--surface-muted); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.composer__input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.spinner { font-size: 12.5px; color: var(--text-muted); }
.error { color: var(--fail); font-size: 12.5px; }