:root {
  --bg: #0d1017;
  --panel: #141922;
  --panel-2: #1a2029;
  --line: #242c38;
  --ink: #e8edf5;
  --muted: #8b97a8;
  --dim: #5c6779;
  --accent: #6ee7b7;
  --warn: #fbbf24;
  --danger: #f87171;
  --blue: #7aa2ff;
  --radius: 10px;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.top {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 24px;
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--line);
}
.brand h1 {
  margin: 0 0 6px; font-size: 34px; letter-spacing: -0.02em; font-weight: 650;
}
.brand p { margin: 0; color: var(--muted); max-width: 62ch; }
.brand b { color: var(--ink); font-weight: 600; }

.status {
  flex: none; font: 500 13px/1 var(--mono);
  padding: 9px 14px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--muted);
}
.status.ok     { color: var(--accent); border-color: #1f4d3d; background: #10241c; }
.status.warn   { color: var(--warn);   border-color: #4d3f18; background: #241e10; }
.status.alert  { color: var(--danger); border-color: #4d2020; background: #241212; }

/* ---------- architecture strip ---------- */

.explain { padding: 18px 32px; border-bottom: 1px solid var(--line); }
.pipe { display: flex; align-items: stretch; gap: 14px; flex-wrap: wrap; }
.node {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px; min-width: 150px;
  display: flex; flex-direction: column; justify-content: center;
}
.node b { font-size: 14px; font-weight: 600; }
.node small { color: var(--dim); font-size: 11.5px; display: block; margin-top: 2px; }
.node .tag {
  font: 600 9.5px/1 var(--mono); letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--dim); margin-bottom: 5px;
}
.node.split { flex-direction: row; gap: 22px; }
.node.split > div { min-width: 165px; }
.node.gate-node { border-color: #2f6b52; background: #0f1c18; }
.node.gate-node b { color: var(--accent); }
.arrow { align-self: center; color: var(--dim); font-size: 18px; }

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

main {
  display: grid; gap: 16px; padding: 20px 32px 36px;
  grid-template-columns: minmax(340px, 1fr) minmax(400px, 1.25fr) minmax(300px, 0.9fr);
}
@media (max-width: 1180px) { main { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px; min-height: 340px;
  display: flex; flex-direction: column;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 12px; flex-wrap: wrap;
}
.panel-head h2 {
  margin: 0; font-size: 12px; font-weight: 650; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
}

/* ---------- buttons ---------- */

.btn {
  font: 500 13px/1 inherit; padding: 9px 15px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--ink);
  cursor: pointer; transition: border-color .12s, background .12s;
}
.btn:hover:not(:disabled) { border-color: #3a4556; background: #212936; }
.btn:disabled { opacity: .38; cursor: not-allowed; }
.btn.primary { background: #17372c; border-color: #2f6b52; color: var(--accent); }
.btn.danger  { background: #2a1616; border-color: #5b2a2a; color: var(--danger); }
.btn.tiny { padding: 5px 9px; font-size: 11.5px; border-radius: 6px; }
.controls { display: flex; gap: 8px; }

/* ---------- meters ---------- */

.meters { display: flex; gap: 16px; align-items: center; margin-bottom: 12px; }
.meter { display: flex; align-items: center; gap: 7px; }
.meter label {
  font: 600 9.5px/1 var(--mono); letter-spacing: .08em;
  text-transform: uppercase; color: var(--dim);
}
.meter b { font: 500 13px/1 var(--mono); }
.level {
  width: 110px; height: 5px; background: var(--panel-2);
  border-radius: 3px; overflow: hidden;
}
.level i { display: block; height: 100%; width: 0; background: var(--blue); transition: width .06s linear; }

/* ---------- transcript ---------- */

.transcript { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 9px; }
.bubble { padding: 9px 12px; border-radius: 9px; max-width: 92%; }
.bubble .who {
  display: block; font: 600 9.5px/1 var(--mono);
  letter-spacing: .09em; text-transform: uppercase; margin-bottom: 4px;
}
.bubble p { margin: 0; font-size: 14px; }
.bubble.agent { background: #16202e; border: 1px solid #22334a; align-self: flex-start; }
.bubble.agent .who { color: var(--blue); }
.bubble.user { background: var(--panel-2); border: 1px solid var(--line); align-self: flex-end; }
.bubble.user .who { color: var(--muted); }
.partial { color: var(--dim); font-style: italic; font-size: 13px; min-height: 20px; margin-top: 8px; }

/* ---------- gate ---------- */

.lab { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.lab-label { font-size: 11.5px; color: var(--dim); }
.lab-check { font-size: 11.5px; color: var(--dim); display: flex; align-items: center; gap: 4px; }

.gate-feed { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; }
.empty { color: var(--dim); font-size: 13px; margin: 0; }

.gate-card {
  border: 1px solid var(--line); border-left-width: 3px;
  border-radius: 9px; padding: 12px 13px; background: var(--panel-2);
  animation: rise .22s ease-out;
}
@keyframes rise { from { opacity: 0; transform: translateY(-5px); } }
.gate-card.allowed { border-left-color: var(--accent); }
.gate-card.flagged { border-left-color: var(--warn); }
.gate-card.refused { border-left-color: var(--danger); background: #1d1416; }

.gate-card header {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 8px;
}
.stamp {
  font: 700 10px/1 var(--mono); letter-spacing: .12em;
  padding: 4px 7px; border-radius: 4px;
}
.allowed .stamp { color: var(--accent); background: #10241c; }
.flagged .stamp { color: var(--warn);   background: #241e10; }
.refused .stamp { color: var(--danger); background: #2a1414; }
.score { font-family: var(--mono); color: var(--muted); }
.score b { font-size: 19px; color: var(--ink); }
.score small { font-size: 10px; }

.claim { font-size: 13.5px; margin-bottom: 8px; }
.evidence { margin: 0 0 9px; padding-left: 16px; color: var(--muted); font-size: 12.5px; }
.evidence li { margin-bottom: 2px; }

.bars { display: flex; flex-direction: column; gap: 3px; margin-bottom: 8px; }
.bar-row { display: grid; grid-template-columns: 96px 1fr 22px; gap: 7px; align-items: center; }
.bar-label { font: 500 10px/1 var(--mono); color: var(--dim); text-align: right; }
.bar { height: 4px; background: #0f141c; border-radius: 2px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--danger); opacity: .75; }
.allowed .bar i { background: var(--accent); }
.bar-val { font: 500 10px/1 var(--mono); color: var(--dim); }

.probe {
  font-size: 12.5px; color: var(--ink); background: #0f141c;
  border-radius: 6px; padding: 8px 10px; margin-top: 2px;
}
.probe b { color: var(--warn); font-weight: 600; }
.cold { font-size: 11px; color: var(--dim); margin-top: 7px; font-style: italic; }

/* ---------- record ---------- */

.record { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 9px; }
.fact {
  border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; background: var(--panel-2);
}
.fact.flagged { border-color: #4d3f18; background: #1d1a10; }
.fact-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.fact-head b { font-size: 13px; }
.conf { font: 500 10.5px/1 var(--mono); color: var(--dim); }
.chip {
  font: 600 9px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--warn); background: #241e10; padding: 3px 6px; border-radius: 4px;
}
.fact-val { font-size: 13.5px; }
.fact-quote { color: var(--muted); font-size: 12.5px; font-style: italic; margin-top: 3px; }
.fact-note { color: var(--warn); font-size: 11.5px; margin-top: 5px; }

.evlog-wrap { margin-top: 12px; }
.evlog-wrap summary {
  cursor: pointer; font: 500 11px/1 var(--mono); color: var(--dim); padding: 5px 0;
}
.evlog {
  max-height: 130px; overflow-y: auto; font: 11px/1.5 var(--mono);
  color: var(--dim); margin-top: 6px;
}

/* ---------- footer ---------- */

footer { padding: 22px 32px 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px; }
footer p { margin: 0 0 5px; max-width: 80ch; }
footer b { color: var(--ink); font-weight: 600; }
footer .meta { color: var(--dim); font-size: 11.5px; }
footer a { color: var(--dim); }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #232b38; border-radius: 5px; }
::-webkit-scrollbar-track { background: transparent; }

/* shown only on static hosting, where there is no token backend */
.static-note {
  background:#16202e; border:1px solid #2a3d57; border-left:3px solid var(--blue);
  border-radius:9px; padding:13px 15px; margin-bottom:14px;
  font-size:13px; line-height:1.6; color:var(--muted);
}
.static-note b { color:var(--ink); font-weight:600; }
.static-note code {
  font-family:var(--mono); font-size:12px; color:var(--accent);
  background:#0f141c; padding:1px 5px; border-radius:4px;
}