:root {
  --bg: #14161b;
  --panel: #1c1f27;
  --panel-2: #232733;
  --line: #2e3340;
  --text: #d7dae0;
  --muted: #8b93a3;
  --accent: #4f8cff;
  --ok: #3ecf8e;
  --fail: #ff6b6b;
  --warn: #ffc94d;
  --human: #c792ea;
  font-size: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
}

.muted { color: var(--muted); }
.spacer { flex: 1; }

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
}

.badge {
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--muted);
  font-weight: 400;
  font-size: 12px;
}

.inputbar {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
}

.inputbar form { display: flex; flex: 1; gap: 8px; }

#query-input {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  outline: none;
}

#query-input:focus { border-color: var(--accent); }

button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
}

button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.45; cursor: default; }
button.small { padding: 4px 8px; font-size: 12px; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

.layout {
  display: grid;
  grid-template-columns: 300px 1fr 360px;
  height: calc(100vh - 98px);
}

.panel {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--panel);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}

.panel-head h2 {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
}

/* ---------- timeline ---------- */

.timeline {
  overflow-y: auto;
  flex: 1;
  padding: 8px;
}

.timeline .run-group { margin-bottom: 10px; }

.timeline .run-head {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--panel-2);
  font-size: 12px;
}

.timeline .run-head:hover { border-color: var(--accent); }

.timeline .trow {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-left: 2px solid var(--line);
  margin-left: 10px;
  cursor: pointer;
  font-size: 12px;
}

.timeline .trow:hover { background: var(--panel-2); }
.timeline .trow.selected { background: var(--panel-2); border-left-color: var(--accent); }
.timeline .trow.event { color: var(--muted); cursor: default; }

.pill {
  border-radius: 3px;
  padding: 0 5px;
  font-size: 10px;
  text-transform: uppercase;
  white-space: nowrap;
}

.pill.gate { background: #2b3a52; color: #9ec1ff; }
.pill.choice { background: #4a3a2b; color: #ffd59e; }
.pill.score { background: #3a2b4a; color: #d59eff; }
.pill.navigate { background: #2b4a3a; color: #9effd5; }
.pill.predict { background: #2b464a; color: #9eeaff; }
.pill.assess { background: #4a2b2b; color: #ff9e9e; }

.human-star { color: var(--human); }

/* ---------- flow graph ---------- */

.flow {
  overflow-y: auto;
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.edge {
  width: 2px;
  height: 18px;
  background: var(--line);
  margin: 0 auto;
}

.edge.hot { background: var(--accent); }

.node {
  width: 420px;
  max-width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

.node:hover { border-color: var(--accent); }
.node.selected { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(79, 140, 255, 0.25); }
.node.dim { opacity: 0.35; }
.node.ok { border-left: 3px solid var(--ok); }
.node.fail { border-left: 3px solid var(--fail); }

.node-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.node-head .pill { font-size: 10px; }

.node-question {
  flex: 1;
  font-size: 12px;
  font-weight: 600;
}

.node-question .q { color: var(--text); }

.node-id { font-size: 10px; color: var(--muted); }

.opt-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  margin: 3px 0;
  position: relative;
}

.opt-row .opt-label { width: 130px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.opt-bar-track {
  flex: 1;
  height: 14px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
}

.opt-bar { height: 100%; background: var(--line); transition: width 0.2s; }

.opt-row.selected .opt-bar { background: var(--accent); }
.opt-row.selected .opt-label { color: var(--text); font-weight: 700; }
.opt-row.observed .opt-bar { background: var(--human); }
.opt-row .opt-pct { width: 48px; text-align: right; color: var(--muted); }
.opt-row.selected .opt-pct { color: var(--accent); }

.opt-marks { position: absolute; right: 102px; }
.opt-row .chk { color: var(--ok); }
.opt-row .x { color: var(--fail); }

.node-meta {
  margin-top: 6px;
  font-size: 10px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cost-nll { color: var(--warn); }

.node.event-node {
  width: 360px;
  background: var(--bg);
  cursor: default;
}

.node.event-node .evt-kind { text-transform: uppercase; color: var(--muted); font-size: 10px; }

/* ---------- inspector / tree / status ---------- */

.right { border-right: none; }
.inspector, .status { overflow-y: auto; padding: 10px; font-size: 11px; }
.skill-tree { overflow-y: auto; padding: 10px; font-size: 12px; flex: 1; }

pre.json {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
}

.kv { margin: 2px 0; }
.kv .k { color: var(--muted); }

.cat { margin-bottom: 10px; }
.cat .cat-name { font-weight: 700; margin-bottom: 4px; }
.skill-row { display: flex; gap: 6px; align-items: baseline; padding-left: 8px; font-size: 11px; }
.skill-row .sdesc { color: var(--muted); }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.stat-grid .stat { background: var(--panel-2); border-radius: 4px; padding: 4px 6px; }
.stat-grid .stat .v { font-weight: 700; }

/* ---------- scrubber ---------- */

.scrub-label { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }
#scrubber { width: 180px; }

/* ---------- modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden { display: none; }

.modal-box {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-box h3 { margin: 0; }

.modal-box label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }

.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

.hidden { display: none !important; }