/* graphlab · lens — research console. A lab instrument, not a SaaS dashboard:
   flat hairline surfaces, a monospace label system, sectioned views, and a
   consistent spacing scale. Categorical hues are from the validated dataviz set. */

:root {
  /* ---- theme-invariant tokens ---- */

  /* status (packet result / confidence) — legible on both themes */
  --good: #2fa348;
  --warning: #e0a015;
  --serious: #e0743f;
  --critical: #d8433f;

  --radius: 10px;
  --radius-sm: 7px;

  /* spacing scale */
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 20px; --s6: 28px; --s7: 44px;
  --gap: 18px;

  /* shared paddings so every card lines up */
  --card-pad-x: 20px;          /* horizontal breathing room inside cards   */
  --card-pad-y: 18px;          /* vertical padding for card content areas   */
  --head-h: 48px;              /* fixed card-header height (clean alignment) */

  --rail-w: 240px;

  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", monospace;

  --shadow-pop: 0 14px 40px rgba(0, 0, 0, 0.4);
  --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.45);
}

/* =============================== DARK =============================== */
:root, :root[data-theme="dark"] {
  color-scheme: dark;
  /* surfaces — warm near-black, lifted in small steps */
  --page: #0c0c0b;
  --rail: #0f0f0d;
  --surface-1: #161513;
  --surface-2: #1e1c1a;
  --surface-3: #262421;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --hair: rgba(255, 255, 255, 0.045);

  /* ink */
  --ink: #f1efe8;
  --ink-2: #b6b4aa;
  --muted: #807e76;
  --faint: #56544f;

  /* chrome accent — restrained, used as hairlines not glow */
  --accent: #5896e0;
  --accent-soft: rgba(88, 150, 224, 0.12);
  --on-accent: #ffffff;
  --on-tag: #0b0b0a;            /* ink on saturated modality badges */

  /* categorical (modality / kind identity), dark steps */
  --m-text: #3987e5;      /* blue   */
  --m-image: #199e70;     /* aqua   */
  --m-voice: #9085e9;     /* violet */
  --m-document: #c98500;  /* yellow */
  --m-link: #d95926;      /* orange */
  --m-location: #d55181;  /* magenta */
  --m-forward: #0a8f0a;   /* green  */

  /* graph canvas (read from JS — cytoscape can't use CSS vars directly) */
  --cy-label: #d7d6cd;
  --cy-outline: #0d0d0d;
  --cy-node-border: #12100e;
  --cy-edge: #3a3a37;
  --cy-edge-arrow: #4a4a46;
  --cy-edge-label: #8a887f;
  --cy-edge-label-bg: #0d0d0d;
  --cy-sel: #ffffff;
}

/* =============================== LIGHT ============================== */
:root[data-theme="light"] {
  color-scheme: light;
  /* surfaces — warm paper, lifted in small steps */
  --page: #f4f2ec;
  --rail: #efece4;
  --surface-1: #ffffff;
  --surface-2: #f6f4ee;
  --surface-3: #eceada;
  --border: rgba(30, 26, 20, 0.14);
  --border-strong: rgba(30, 26, 20, 0.24);
  --hair: rgba(30, 26, 20, 0.08);

  /* ink */
  --ink: #201d17;
  --ink-2: #4c4840;
  --muted: #7a766c;
  --faint: #a8a498;

  --accent: #2f6ccf;
  --accent-soft: rgba(47, 108, 207, 0.1);
  --on-accent: #ffffff;
  --on-tag: #ffffff;           /* ink on saturated modality badges */

  /* categorical — slightly deepened so they read on white */
  --m-text: #2f6fd4;
  --m-image: #12855f;
  --m-voice: #6f61d8;
  --m-document: #b47000;
  --m-link: #c44a1c;
  --m-location: #c53f74;
  --m-forward: #1a8a1a;

  /* graph canvas */
  --cy-label: #33302a;
  --cy-outline: #ffffff;
  --cy-node-border: #ffffff;
  --cy-edge: #c8c4b8;
  --cy-edge-arrow: #b0ac9f;
  --cy-edge-label: #8a867b;
  --cy-edge-label-bg: #ffffff;
  --cy-sel: #201d17;

  --shadow-pop: 0 12px 32px rgba(60, 52, 40, 0.16);
  --shadow-modal: 0 18px 50px rgba(60, 52, 40, 0.2);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* small-caps monospace label — the recurring "instrument readout" style */
.label, .stat-label, .card-sub, .view-eyebrow, .picker-label,
.gi-section-label, .ni-section-label, .cites-label, .trace-label,
.ptable th {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ------------------------------ app shell ------------------------------ */
.app { display: grid; grid-template-columns: var(--rail-w) 1fr; min-height: 100vh; }

/* -------------------------------- rail --------------------------------- */
.rail {
  display: flex; flex-direction: column;
  background: var(--rail);
  border-right: 1px solid var(--border);
  padding: var(--s5) var(--s4) var(--s4);
  position: sticky; top: 0; height: 100vh;
}

.rail-brand { display: flex; align-items: center; gap: 10px; padding: 0 6px var(--s5); }
.mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--border-strong); border-radius: 9px;
  color: var(--ink-2); background: var(--surface-1);
}
.mark svg { width: 22px; height: 22px; }
.mark .mk-a { fill: var(--accent); stroke: var(--accent); }
.brand-name { font-weight: 640; letter-spacing: -0.01em; font-size: 15px; }
.brand-name .dim { color: var(--faint); font-weight: 500; }
.brand-sub {
  font-family: var(--mono); font-size: 10px; color: var(--muted);
  letter-spacing: 0.16em; text-transform: uppercase; margin-top: 2px;
}

.tabs { display: flex; flex-direction: column; gap: 2px; margin-top: var(--s2); }
.tab {
  appearance: none; border: 0; background: transparent; color: var(--ink-2);
  font: inherit; cursor: pointer; text-align: left; width: 100%;
  display: grid; grid-template-columns: auto 1fr; column-gap: 12px; row-gap: 1px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  position: relative; transition: background 0.12s, color 0.12s;
}
.tab-idx {
  grid-row: 1 / 3; align-self: center;
  font-family: var(--mono); font-size: 11px; color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.tab-name { font-size: 13.5px; font-weight: 540; letter-spacing: 0.005em; }
.tab-sub { grid-column: 2; font-size: 10.5px; color: var(--faint); }
.tab:hover { background: var(--surface-1); color: var(--ink); }
.tab:hover .tab-sub { color: var(--muted); }
.tab.is-active { background: var(--surface-2); color: var(--ink); }
.tab.is-active .tab-idx { color: var(--accent); }
.tab.is-active .tab-sub { color: var(--muted); }
.tab.is-active::before {
  content: ""; position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 2px; border-radius: 2px; background: var(--accent);
}

.rail-foot { margin-top: auto; padding: var(--s4) 6px 0; border-top: 1px solid var(--hair); }
.conn { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.conn-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); transition: background 0.2s; }
.conn.is-live .conn-dot { background: var(--good); box-shadow: 0 0 0 3px rgba(47,179,74,0.1); }
.conn.is-down .conn-dot { background: var(--critical); }
.rail-foot-row { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); margin-top: 10px; }
.rail-note { font-size: 10.5px; color: var(--faint); }
.rail-note .mono { font-family: var(--mono); }

.theme-toggle {
  appearance: none; flex-shrink: 0; display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface-1); color: var(--ink-2);
  cursor: pointer; transition: border-color 0.12s, color 0.12s, background 0.12s;
}
.theme-toggle:hover { border-color: var(--border-strong); color: var(--ink); background: var(--surface-2); }
.theme-toggle .tt-icon { width: 15px; height: 15px; }
.theme-toggle .tt-sun { display: none; }
:root[data-theme="light"] .theme-toggle .tt-sun { display: block; }
:root[data-theme="light"] .theme-toggle .tt-moon { display: none; }

/* -------------------------------- main --------------------------------- */
main {
  padding: var(--s7) var(--s7) var(--s7);
  max-width: 1280px;
}
.panel { display: none; }
.panel.is-active { display: block; animation: fade 0.24s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ------------------------------ view head ------------------------------ */
.view-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--s5) var(--s6); flex-wrap: wrap;
  margin-bottom: var(--s6); padding-bottom: var(--s5);
  border-bottom: 1px solid var(--hair);
}
.view-eyebrow { color: var(--muted); margin-bottom: 10px; }
.view-title { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.view-desc { margin: 11px 0 0; font-size: 13px; color: var(--muted); max-width: 66ch; line-height: 1.65; }
.view-aside { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.picker-label { color: var(--faint); }

/* ------------------------------ stat row ------------------------------ */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); margin-bottom: var(--gap); }
.stat {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius);
  padding: var(--card-pad-y) var(--card-pad-x);
}
.stat-label { display: block; }
.stat-value {
  font-size: 28px; font-weight: 500; margin: 12px 0 5px; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums; line-height: 1;
}
.stat-value .unit { font-size: 14px; color: var(--muted); font-weight: 500; margin-left: 3px; }
.stat-foot { font-size: 11px; color: var(--faint); }
.stat-value.bump { animation: bump 0.5s ease; }
@keyframes bump { 0% { color: var(--good); } 100% { color: var(--ink); } }

/* ------------------------------- cards -------------------------------- */
.card {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.card-head {
  display: flex; align-items: center; gap: var(--s3);
  min-height: var(--head-h); padding: 0 var(--card-pad-x);
  border-bottom: 1px solid var(--border);
}
.card-head h2 { margin: 0; font-size: 12.5px; font-weight: 600; letter-spacing: 0.01em; }
.card-head .card-sub { margin-left: auto; }
.card-head .mini-btn { margin-left: auto; }
.pause { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); display: flex; align-items: center; gap: 6px; cursor: pointer; margin-left: auto; }
.pause input { accent-color: var(--accent); }

/* ------------------------------ pipeline ------------------------------ */
.pipeline-card { margin-bottom: var(--gap); }
.pipeline { display: flex; align-items: center; gap: 0; padding: var(--s5) var(--s6); }
.stage { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 84px; }
.stage-node {
  width: 42px; height: 42px; border-radius: 9px;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  position: relative; transition: box-shadow 0.15s, border-color 0.15s, background 0.15s;
}
.stage-node.soon { border-style: dashed; opacity: 0.55; }
.stage-name { font-size: 12px; font-weight: 560; }
.stage-sub { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.04em; color: var(--muted); }
.stage.lit .stage-node {
  background: color-mix(in srgb, var(--m-text) 16%, var(--surface-2));
  border-color: color-mix(in srgb, var(--m-text) 70%, transparent);
}
.stage.lit.store .stage-node {
  background: color-mix(in srgb, var(--good) 16%, var(--surface-2));
  border-color: color-mix(in srgb, var(--good) 70%, transparent);
}
.wire { flex: 1; height: 2px; background: var(--border-strong); position: relative; overflow: hidden; margin: 0 6px 30px; }
.wire::after {
  content: ""; position: absolute; inset: 0; width: 40%;
  background: linear-gradient(90deg, transparent, var(--m-text), transparent);
  transform: translateX(-120%); opacity: 0;
}
.wire.pulse::after { animation: wireflow 0.6s ease; opacity: 1; }
@keyframes wireflow { from { transform: translateX(-120%); } to { transform: translateX(280%); } }

/* ------------------------------ live grid ----------------------------- */
.live-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); margin-bottom: var(--gap); }

/* flow lane */
.flow { padding: var(--s3); height: 348px; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }
.pkt {
  display: flex; align-items: center; gap: 10px; padding: 9px 11px;
  background: var(--surface-2); border: 1px solid var(--border); border-left: 3px solid var(--muted);
  border-radius: var(--radius-sm); animation: slidein 0.28s ease;
}
@keyframes slidein { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
.pkt.settling { transition: opacity 0.3s, border-color 0.3s; }
.pkt-badge {
  font-family: var(--mono); font-size: 9.5px; font-weight: 640; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 3px 7px; border-radius: 5px; color: var(--on-tag); white-space: nowrap;
}
.pkt-sum { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); }
.pkt-state { font-size: 10px; color: var(--muted); font-family: var(--mono); white-space: nowrap; }
.pkt.done { border-left-color: var(--good); }
.pkt.dup { border-left-color: var(--warning); opacity: 0.7; }
.pkt.fail { border-left-color: var(--critical); }

/* event log */
.feed { padding: var(--s2) 0; height: 348px; overflow-y: auto; font-family: var(--mono); font-size: 12px; }
.feed-row {
  display: grid; grid-template-columns: 60px 88px 1fr; gap: 10px; align-items: baseline;
  padding: 4px var(--s5); border-bottom: 1px solid var(--hair); animation: fade 0.2s ease;
}
.feed-ts { color: var(--faint); }
.feed-kind { font-weight: 600; letter-spacing: 0.02em; }
.feed-msg { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.k-stored { color: var(--good); }
.k-duplicate { color: var(--warning); }
.k-failed { color: var(--critical); }
.k-received { color: var(--m-text); }
.k-processing { color: var(--muted); }
.k-system { color: var(--m-voice); }

/* modality mix */
.modality { padding: var(--card-pad-y) var(--card-pad-x); display: flex; flex-direction: column; gap: 12px; }
.mbar { display: grid; grid-template-columns: 84px 1fr 44px; gap: 14px; align-items: center; }
.mbar-label { font-size: 12px; color: var(--ink-2); text-transform: capitalize; }
.mbar-track { height: 8px; background: var(--surface-3); border-radius: 5px; overflow: hidden; }
.mbar-fill { display: block; height: 100%; border-radius: 5px; transition: width 0.4s ease; }
.mbar-count { font-family: var(--mono); font-size: 12px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }

/* ------------------------------ packets ------------------------------- */
.table-wrap { overflow-x: auto; }
.ptable { width: 100%; border-collapse: collapse; font-size: 13px; }
.ptable th {
  text-align: left; font-weight: 600;
  padding: 12px var(--s5); border-bottom: 1px solid var(--border);
}
.ptable td { padding: 10px var(--s5); border-bottom: 1px solid var(--hair); color: var(--ink-2); }
.ptable td.mono { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.ptable tr:last-child td { border-bottom: 0; }
.ptable tr:hover td { background: var(--surface-2); }
.mini-btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface-2); color: var(--ink-2);
  font: inherit; font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em;
  padding: 6px 12px; border-radius: var(--radius-sm); cursor: pointer;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}
.mini-btn:hover { color: var(--ink); border-color: var(--border-strong); background: var(--surface-3); }

/* -------------------------------- graph ------------------------------- */
.empty { text-align: center; max-width: 460px; }
.empty p { margin: 6px 0; }
.empty .dim { color: var(--muted); font-size: 13px; }
.empty-icon {
  width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 12px;
  border: 1px dashed var(--border-strong);
}
.chip {
  font-size: 11px; padding: 3px 9px; border-radius: 20px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--ink-2);
}

/* ------------------------------- system ------------------------------- */
.sys-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--gap); }
.kv { list-style: none; margin: 0; padding: var(--s2) 0; }
.kv li { display: flex; justify-content: space-between; gap: var(--s4); padding: 10px var(--s5); border-bottom: 1px solid var(--hair); }
.kv li:last-child { border-bottom: 0; }
.kv .k { color: var(--muted); }
.kv .v { color: var(--ink); font-family: var(--mono); font-size: 12px; }
.kv .v.on { color: var(--good); }
.kv .v.off { color: var(--muted); }

/* scrollbars */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* --------------------------- genome pills ---------------------------- */
.genome-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.genome-pill {
  appearance: none; border: 1px solid var(--border); background: var(--surface-1);
  color: var(--ink-2); font: inherit; font-size: 12.5px; padding: 7px 13px;
  border-radius: var(--radius-sm); cursor: pointer; display: flex; align-items: center; gap: 8px;
  transition: all 0.12s;
}
.genome-pill:hover { color: var(--ink); border-color: var(--border-strong); }
.genome-pill.is-active { background: var(--surface-2); color: var(--ink); border-color: var(--accent); }
.genome-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.genome-pill.is-active .dot { background: var(--accent); }
.genome-pill .cnt { font-family: var(--mono); font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* --------------------------- graph layout ---------------------------- */
.graph-layout { display: grid; grid-template-columns: 1fr 320px; gap: var(--gap); }
.graph-canvas-card { display: flex; flex-direction: column; }
.graph-canvas {
  position: relative; flex: 1; min-height: 580px; overflow: hidden;
  background: var(--surface-1);
}
#cy { position: absolute; inset: 0; width: 100%; height: 100%; }
.graph-controls { position: absolute; top: 12px; right: 12px; z-index: 4; display: flex; gap: 6px; }
.graph-controls .mini-btn { background: color-mix(in srgb, var(--surface-2) 82%, transparent); backdrop-filter: blur(4px); }
.graph-empty {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
  padding: var(--s6); gap: 4px;
}
.graph-empty p { margin: 4px 0; max-width: 360px; }
.graph-empty .dim { color: var(--muted); font-size: 13px; }
.graph-empty.hidden { display: none; }

.graph-tip {
  position: absolute; pointer-events: none; opacity: 0; transition: opacity 0.1s;
  background: var(--page); border: 1px solid var(--border-strong); border-radius: 8px;
  padding: 8px 10px; font-size: 12px; max-width: 260px; z-index: 5;
}
.graph-tip.show { opacity: 1; }
.graph-tip .tip-kind { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; }
.graph-tip .tip-name { font-weight: 600; margin: 2px 0; }
.graph-tip .tip-cites { color: var(--muted); font-size: 11px; }

/* genome info panel */
.genome-info { padding: var(--card-pad-y) var(--card-pad-x); display: flex; flex-direction: column; gap: var(--s4); }
.gi-title { font-size: 16px; font-weight: 640; }
.gi-desc { font-size: 13px; color: var(--ink-2); line-height: 1.55; }
.gi-section-label { margin-bottom: 8px; display: block; }
.gi-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.gi-count-row { display: flex; gap: var(--s6); padding: 2px 0; }
.gi-count { display: flex; flex-direction: column; gap: 3px; }
.gi-count b { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.gi-count span { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.gi-model { font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* node inspector (provenance) */
.node-inspector { padding: var(--card-pad-y) var(--card-pad-x); display: flex; flex-direction: column; gap: var(--s4); overflow-y: auto; max-height: 640px; }
.ni-head { display: flex; align-items: center; gap: 10px; }
.ni-kind-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.ni-name { font-size: 17px; font-weight: 640; line-height: 1.2; }
.ni-kind { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.ni-section-label { margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.ni-section-label .n { color: var(--m-image); font-family: var(--mono); }
.ni-note { font-size: 13px; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; line-height: 1.55; }
.ev-msg {
  display: flex; flex-direction: column; gap: 3px; padding: 9px 11px; margin-bottom: 6px;
  background: var(--surface-1); border: 1px solid var(--border);
  border-left: 3px solid var(--m-image); border-radius: 7px;
}
.ev-msg .ev-text { font-size: 13px; color: var(--ink); }
.ev-msg .ev-meta { font-size: 10px; color: var(--muted); font-family: var(--mono); }
.rel {
  padding: 10px 12px; margin-bottom: 8px; border-radius: 8px;
  background: var(--surface-2); border: 1px solid var(--border);
}
.rel-head { font-size: 13px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.rel-kind { font-family: var(--mono); font-size: 10px; color: var(--on-tag); background: var(--m-voice); padding: 2px 6px; border-radius: 4px; }
.rel-arrow { color: var(--muted); }
.rel-other { font-weight: 560; }
.rel-reason { font-size: 12px; color: var(--ink-2); margin-top: 6px; font-style: italic; line-height: 1.5; }
.rel-reason::before { content: "↳ "; color: var(--muted); font-style: normal; }
.ni-empty { font-size: 12.5px; color: var(--muted); padding: 4px 0; }

/* ----------------------------- chat ---------------------------------- */
.chat-card { display: flex; flex-direction: column; height: 640px; }
.chat-log { flex: 1; overflow-y: auto; padding: var(--card-pad-y) var(--card-pad-x); display: flex; flex-direction: column; gap: var(--s4); }
.chat-hint { color: var(--muted); font-size: 13px; line-height: 1.65; max-width: 580px; }
.chat-hint em { color: var(--ink-2); font-style: normal; background: var(--surface-2); padding: 1px 6px; border-radius: 5px; }
.chat-msg { max-width: 78%; }
.chat-msg.user { align-self: flex-end; }
.chat-msg.assistant { align-self: flex-start; }
.chat-bubble {
  padding: 11px 14px; border-radius: 12px; font-size: 14px; line-height: 1.55;
  white-space: pre-wrap; word-wrap: break-word;
}
.chat-msg.user .chat-bubble { background: var(--surface-3); color: var(--ink); border: 1px solid var(--border-strong); border-bottom-right-radius: 4px; }
.chat-msg.assistant .chat-bubble { background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.chat-msg.thinking .chat-bubble { color: var(--muted); font-style: italic; }
.research-steps { display: flex; flex-direction: column; gap: 3px; margin-bottom: 8px; }
.rstep { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.conf { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 11px; }
.conf-label { color: var(--muted); }
.conf-label b { text-transform: uppercase; letter-spacing: 0.04em; }
.conf-track { flex: 1; max-width: 120px; height: 6px; background: var(--surface-1); border-radius: 4px; overflow: hidden; }
.conf-fill { display: block; height: 100%; border-radius: 4px; transition: width 0.4s; }
.conf-meta { color: var(--muted); font-family: var(--mono); }
.c-high { color: var(--good); } .conf-fill.c-high { background: var(--good); }
.c-medium { color: var(--warning); } .conf-fill.c-medium { background: var(--warning); }
.c-low { color: var(--serious); } .conf-fill.c-low { background: var(--serious); }
.cites-label { margin-bottom: 6px; }
.chat-cites { margin-top: 8px; display: flex; flex-direction: column; gap: 4px; }
.chat-cite {
  font-size: 11px; color: var(--muted); display: flex; gap: 8px; padding: 5px 9px;
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 6px;
}
.chat-cite .h { font-family: var(--mono); color: var(--m-image); }
.chat-input { display: flex; gap: 10px; padding: 14px var(--card-pad-x); border-top: 1px solid var(--border); }
.chat-input input {
  flex: 1; background: var(--surface-2); border: 1px solid var(--border); color: var(--ink);
  font: inherit; font-size: 14px; padding: 11px 14px; border-radius: var(--radius-sm); outline: none;
  transition: border-color 0.12s;
}
.chat-input input:focus { border-color: var(--accent); }
.chat-input button {
  appearance: none; border: 0; background: var(--accent); color: var(--on-accent); font: inherit;
  font-weight: 560; padding: 11px 22px; border-radius: var(--radius-sm); cursor: pointer;
}
.chat-input button:disabled { opacity: 0.5; cursor: default; }

/* ============================ responsive ============================= */
@media (max-width: 1040px) {
  .app { grid-template-columns: 1fr; }
  .rail {
    position: sticky; top: 0; height: auto; z-index: 20;
    flex-direction: row; align-items: center; gap: var(--s4);
    padding: 10px var(--s4); border-right: 0; border-bottom: 1px solid var(--border);
  }
  .rail-brand { padding: 0; }
  .tabs { flex-direction: row; overflow-x: auto; gap: 4px; margin: 0; flex: 1; }
  .tab { grid-template-columns: 1fr; padding: 8px 12px; white-space: nowrap; }
  .tab-idx, .tab-sub { display: none; }
  .tab.is-active::before { top: auto; bottom: 0; left: 8px; right: 8px; width: auto; height: 2px; }
  .rail-foot { margin: 0; padding: 0; border-top: 0; }
  .rail-note { display: none; }
  main { padding: var(--s5) var(--s4) var(--s6); }
}
@media (max-width: 900px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .live-grid { grid-template-columns: 1fr; }
  .graph-layout { grid-template-columns: 1fr; }
  .view-head { align-items: flex-start; }
}

/* ===================== packet reasoning trace modal ===================== */
.prow { cursor: pointer; }
.prow:hover td { background: var(--surface-2); }

.modal-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.64);
  backdrop-filter: blur(3px);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 56px 16px; overflow-y: auto;
  animation: fade-in 0.15s ease;
}
.modal-overlay[hidden] { display: none; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal-card {
  position: relative; width: 100%; max-width: 720px;
  background: var(--surface-1); border: 1px solid var(--border-strong);
  border-radius: var(--radius); padding: var(--s5) var(--s6) var(--s6);
  box-shadow: var(--shadow-modal);
  animation: rise 0.18s ease;
}
@keyframes rise { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-close {
  position: absolute; top: 12px; right: 12px;
  width: 28px; height: 28px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--muted); cursor: pointer; font-size: 13px; line-height: 1;
}
.modal-close:hover { color: var(--ink); border-color: var(--border-strong); }

.trace-thinking {
  display: flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: 13px; padding: 26px 4px;
}
.trace-thinking .tdot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--m-voice);
  animation: tpulse 1s infinite ease-in-out;
}
.trace-thinking .tdot:nth-child(2) { animation-delay: 0.16s; }
.trace-thinking .tdot:nth-child(3) { animation-delay: 0.32s; }
@keyframes tpulse { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 1; } }

.trace-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.trace-head .h { font-family: var(--mono); font-size: 12px; color: var(--m-image); }
.trace-at { font-size: 11px; color: var(--muted); }
.trace-genome {
  margin-left: auto; font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); border: 1px solid var(--border); border-radius: 20px; padding: 3px 10px;
}
.trace-msg {
  font-size: 15px; line-height: 1.55; color: var(--ink);
  padding: 12px 14px; background: var(--surface-2);
  border-left: 3px solid var(--m-text); border-radius: var(--radius-sm);
  margin-bottom: 14px; white-space: pre-wrap; word-break: break-word;
}
.trace-reason {
  border: 1px solid rgba(144, 133, 233, 0.36); background: rgba(144, 133, 233, 0.07);
  border-radius: var(--radius-sm); padding: 13px 15px; margin: 4px 0 18px;
}
.trace-reason-label {
  font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--m-voice); margin-bottom: 7px; font-weight: 600;
  display: flex; align-items: baseline; gap: 8px;
}
.trace-reason-body { font-size: 14px; line-height: 1.65; color: var(--ink-2); }
.tr-when { font-size: 10px; font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--muted); font-family: var(--mono); }

.trace-sec { margin-bottom: 16px; }
.trace-label { margin-bottom: 9px; }
.trace-label .n {
  color: var(--ink); background: var(--surface-2); border-radius: 10px;
  padding: 1px 7px; font-size: 10px; margin: 0 2px;
}
.trace-label .tl-note { text-transform: none; letter-spacing: 0; color: var(--muted); }

.trace-ents { display: flex; flex-wrap: wrap; gap: 7px; }
.trace-ent {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); border-left-width: 3px;
  border-radius: 7px; padding: 5px 10px; font-size: 13px; color: var(--ink);
}
.trace-ent.dim { opacity: 0.7; }
.te-dot { width: 8px; height: 8px; border-radius: 50%; }
.te-kind { font-family: var(--mono); font-size: 9.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.te-state {
  font-size: 10px; color: var(--m-document); border: 1px solid rgba(201, 133, 0, 0.4);
  border-radius: 10px; padding: 0 7px;
}

.trace-link {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 12px; margin-bottom: 7px; background: var(--surface-2);
}
.trace-link.sem { background: transparent; }
.tl-top { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; }
.tl-top .h { color: var(--m-image); font-size: 11px; font-family: var(--mono); }
.tl-via { display: inline-flex; align-items: center; gap: 5px; flex-wrap: wrap; font-size: 11px; color: var(--muted); }
.via-tag { color: var(--ink); background: rgba(57, 135, 229, 0.16); border-radius: 10px; padding: 1px 8px; }
.tl-at { margin-left: auto; font-size: 10px; color: var(--muted); }
.tl-sim { font-size: 11px; color: var(--m-image); }
.tl-sum { font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.sim-track {
  width: 70px; height: 5px; border-radius: 3px; background: var(--surface-1);
  border: 1px solid var(--border); overflow: hidden;
}
.sim-fill { display: block; height: 100%; background: var(--m-image); }

/* ===================== belief confidence + state + aliases ===================== */
.ni-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 6px 0; }
.conf-pill {
  font-size: 10px; font-weight: 700; font-family: var(--mono);
  border-radius: 10px; padding: 2px 7px; border: 1px solid var(--border);
}
.conf-pill.c-high { color: var(--good); border-color: rgba(47,179,74,0.4); }
.conf-pill.c-medium { color: var(--warning); border-color: rgba(250,178,25,0.4); }
.conf-pill.c-low { color: var(--serious); border-color: rgba(236,131,90,0.4); }
.state-chip {
  font-size: 11px; color: var(--m-document); border: 1px solid rgba(201,133,0,0.4);
  border-radius: 12px; padding: 2px 9px;
}
.state-chip .since { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.ni-aliases { font-size: 11px; color: var(--muted); }
.alias-tag {
  color: var(--ink-2); background: var(--surface-2); border-radius: 10px;
  padding: 1px 8px; margin-left: 4px;
}
.conflict-row {
  font-size: 12px; color: var(--ink-2); padding: 7px 10px; margin-bottom: 6px;
  border-left: 3px solid var(--serious); background: rgba(236,131,90,0.08);
  border-radius: 6px;
}
.rel-head .conf-pill { margin-left: auto; }

/* ------------------------------ ontology ------------------------------ */
.onto-grid {
  display: grid; gap: var(--gap);
  grid-template-columns: 1.1fr 1fr;
  grid-template-areas: "classes relations" "proposals proposals";
}
.onto-grid > .card:nth-child(1) { grid-area: classes; }
.onto-grid > .card:nth-child(2) { grid-area: relations; }
.onto-proposals-card { grid-area: proposals; }
@media (max-width: 860px) {
  .onto-grid { grid-template-columns: 1fr; grid-template-areas: "classes" "relations" "proposals"; }
}

.onto-classes { padding: var(--s3) var(--card-pad-x); }
.onto-class {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  padding: 7px 8px; border-radius: var(--radius-sm); font-size: 13px; color: var(--ink);
}
.onto-class:hover { background: var(--surface-2); }
.onto-cname { font-weight: 600; }
.onto-life {
  font-family: var(--mono); font-size: 10.5px; color: var(--m-voice);
  background: rgba(144,133,233,0.10); padding: 2px 8px; border-radius: 20px;
}
.onto-doc { flex-basis: 100%; font-size: 11px; color: var(--muted); padding-left: 20px; line-height: 1.5; }

.onto-tag {
  font-family: var(--mono); font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 2px 7px; border-radius: 20px; color: var(--ink-2);
  background: var(--surface-2); border: 1px solid var(--border);
}
.onto-tag.ghost { color: var(--muted); background: transparent; }

.onto-relations { padding: var(--s3) var(--card-pad-x); }
.onto-rel { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 8px; border-bottom: 1px solid var(--hair); }
.onto-rel:last-child { border-bottom: 0; }
.onto-rname { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--ink); min-width: 110px; }
.onto-dr { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.onto-disjoint { margin-top: 12px; padding: 0 8px; font-size: 12px; color: var(--muted); font-family: var(--mono); }

.onto-proposals { padding: var(--card-pad-y) var(--card-pad-x); display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.onto-prop {
  background: var(--surface-2); border: 1px solid var(--border); border-left: 3px solid var(--warning);
  border-radius: var(--radius-sm); padding: 11px 13px;
}
.onto-prop-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.onto-sig { font-family: var(--mono); font-size: 10px; color: var(--muted); margin-top: 6px; }

/* ontology-violation markers reused by the node inspector */
.viol-chip {
  font-size: 11px; padding: 3px 9px; border-radius: 20px; cursor: help;
  color: var(--critical); background: rgba(216,69,69,0.10); border: 1px solid rgba(216,69,69,0.35);
}
.viol-row { font-size: 11px; color: var(--serious); padding: 2px 0; }

/* ------------------------- understanding tab ------------------------- */
.beliefs { display: flex; flex-direction: column; gap: 10px; padding: var(--card-pad-y) var(--card-pad-x); }
.belief {
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 13px 15px;
  background: var(--surface-2); display: flex; flex-direction: column; gap: 7px;
}
.belief-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.belief-kind {
  font-family: var(--mono); font-size: 9.5px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700;
  color: var(--on-accent); padding: 3px 8px; border-radius: 5px;
}
.belief-conf {
  width: 90px; height: 5px; border-radius: 3px; background: var(--surface-3); overflow: hidden;
}
.belief-conf > span { display: block; height: 100%; }
.belief-confn { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.belief-stmt { font-size: 14px; line-height: 1.5; color: var(--ink); }
.belief-subj { display: flex; flex-wrap: wrap; gap: 5px; }
.belief-meta { font-family: var(--mono); font-size: 10.5px; color: var(--muted); }

/* ============================ SIMULATOR ============================= */
.tab-sim .tab-name { color: var(--m-voice); }
.test-badge {
  display: inline-block; margin-left: var(--s2); padding: 1px 7px;
  font-size: 10px; letter-spacing: .06em; text-transform: uppercase;
  border-radius: 999px; color: var(--m-voice);
  background: rgba(144, 133, 233, .14); border: 1px solid rgba(144, 133, 233, .35);
}
.sim-backend {
  font-family: var(--mono); font-size: 12px; padding: 3px 9px;
  border-radius: var(--radius-sm); background: var(--surface-2); border: 1px solid var(--border);
}
.sim-backend.on { color: var(--good); }
.sim-backend.off { color: var(--warning); }

.sim-grid { display: grid; grid-template-columns: minmax(320px, 380px) 1fr; gap: var(--gap); align-items: start; }
@media (max-width: 900px) { .sim-grid { grid-template-columns: 1fr; } }

.sim-form { display: flex; flex-direction: column; gap: var(--s3); padding: var(--s2) 0; }
.sim-label { font-size: 12px; color: var(--muted); font-weight: 600; }
.sim-prompt, .sim-input {
  width: 100%; box-sizing: border-box; background: var(--surface-2); color: var(--ink);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: var(--s3); font-family: var(--sans); font-size: 14px; resize: vertical;
}
.sim-prompt:focus, .sim-input:focus { outline: none; border-color: var(--accent); }
.sim-row { display: flex; gap: var(--s4); }
.sim-field { flex: 1; display: flex; flex-direction: column; gap: var(--s2); }
.sim-range { width: 100%; accent-color: var(--m-voice); }
.sim-btn {
  margin-top: var(--s2); padding: 11px var(--s4); cursor: pointer;
  border-radius: var(--radius-sm); font-weight: 600; font-size: 13.5px; color: var(--ink);
  background: var(--surface-3); border: 1px solid var(--border-strong);
  transition: border-color 0.12s, background 0.12s;
}
.sim-btn:hover { border-color: var(--m-voice); background: color-mix(in srgb, var(--m-voice) 12%, var(--surface-3)); }
.sim-btn:disabled { opacity: .55; cursor: default; }
.sim-hint { font-size: 12px; color: var(--muted); line-height: 1.5; }

.sim-spaces { display: flex; flex-direction: column; gap: var(--s3); }
.sim-space {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface-1); padding: var(--s4);
}
.sim-space.is-live { border-color: rgba(144, 133, 233, .5); box-shadow: 0 0 0 1px rgba(144, 133, 233, .12); }
.sim-space-head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--s3); }
.sim-space-title { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: var(--s2); }
.sim-space-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.sim-status { font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 999px; }
.sim-status.s-running { color: var(--good); background: rgba(47, 179, 74, .13); }
.sim-status.s-building { color: var(--m-voice); background: rgba(144, 133, 233, .14); }
.sim-status.s-paused, .sim-status.s-idle { color: var(--muted); background: var(--surface-2); }
.sim-status.s-error { color: var(--critical); background: rgba(216, 69, 69, .14); }
.sim-space-actions { display: flex; gap: var(--s2); flex-shrink: 0; }
.mini-btn.danger { color: var(--critical); }
.mini-btn.danger:hover { border-color: var(--critical); }
.sim-space-summary { font-size: 13px; color: var(--ink-2); line-height: 1.5; margin: var(--s3) 0; }
.sim-counters { display: flex; gap: var(--s5); margin: var(--s3) 0; }
.sim-counter { display: flex; flex-direction: column; }
.sim-counter b { font-size: 20px; font-variant-numeric: tabular-nums; }
.sim-counter span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.sim-world { display: flex; flex-direction: column; gap: var(--s2); margin-top: var(--s3);
  padding-top: var(--s3); border-top: 1px solid var(--hair); }
.sim-w-row { display: flex; gap: var(--s3); align-items: baseline; }
.sim-w-label { font-size: 11px; color: var(--muted); min-width: 74px; flex-shrink: 0; text-transform: uppercase; letter-spacing: .04em; }
.sim-w-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.sim-threads { margin: 0; padding-left: var(--s4); font-size: 12px; color: var(--ink-2); line-height: 1.5; }

/* ===================== business selector (rail) ===================== */
.rail-biz { margin-bottom: var(--s3); position: relative; }
.rail-biz-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--faint); margin-bottom: 6px;
}
.biz-current {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  column-gap: 8px; width: 100%; text-align: left; cursor: pointer;
  border: 1px solid var(--border-strong); background: var(--surface-1);
  color: var(--ink); border-radius: var(--radius-sm); padding: 8px 10px;
}
.biz-current:hover { border-color: var(--accent); background: var(--surface-2); }
.biz-name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.biz-sub { grid-column: 2; font-size: 10.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.biz-caret { grid-row: 1 / span 2; color: var(--muted); font-size: 11px; }
.biz-dot {
  grid-row: 1 / span 2; width: 9px; height: 9px; border-radius: 50%;
  background: var(--muted);
}
.biz-dot.s-running, .biz-dot.s-building { background: var(--good); box-shadow: 0 0 0 3px rgba(47,179,74,0.16); }
.biz-dot.s-paused, .biz-dot.s-idle { background: var(--muted); }
.biz-dot.s-error { background: var(--critical); }
.biz-live { font-size: 9px; font-weight: 800; letter-spacing: .5px; color: var(--good);
  border: 1px solid var(--good); border-radius: 4px; padding: 0 4px; margin-left: 6px; vertical-align: middle; }
.biz-menu {
  position: absolute; bottom: calc(100% + 6px); left: 0; right: 0; z-index: 40;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 5px; box-shadow: var(--shadow-pop);
  display: flex; flex-direction: column; max-height: min(70vh, 460px);
}
.biz-menu[hidden] { display: none; }
.biz-menu-head {
  font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--faint); padding: 5px 9px 3px;
}
.biz-list { overflow-y: auto; flex: 1 1 auto; min-height: 0; }
.biz-item {
  display: flex; align-items: center; gap: 9px; width: 100%; text-align: left;
  cursor: pointer; border: 0; background: transparent; color: var(--ink-2);
  border-radius: 6px; padding: 8px 9px;
}
.biz-item:hover { background: var(--surface-3); color: var(--ink); }
.biz-item.is-active { background: var(--accent-soft); color: var(--ink); }
.biz-item-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.biz-item-text b { font-size: 12.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.biz-item-text span { font-family: var(--mono); font-size: 10px; color: var(--muted); }
.biz-empty { font-size: 11.5px; color: var(--muted); padding: 8px 9px; line-height: 1.4; }

/* inline quick-create, docked at the foot of the menu */
.biz-quick {
  margin-top: 4px; padding: 9px; border-top: 1px solid var(--hair);
  display: flex; flex-direction: column; gap: 7px;
}
.biz-quick-label { font-size: 12px; font-weight: 600; color: var(--accent); }
.biz-quick-input {
  width: 100%; box-sizing: border-box; font-size: 12.5px; color: var(--ink);
  background: var(--surface-1); border: 1px solid var(--border-strong);
  border-radius: 7px; padding: 8px 9px; outline: none;
}
.biz-quick-input::placeholder { color: var(--faint); }
.biz-quick-input:focus { border-color: var(--accent); background: var(--surface-2); }
.biz-quick-row { display: flex; gap: 6px; align-items: stretch; }
.biz-quick-btn {
  flex: 1 1 auto; cursor: pointer; font-size: 12px; font-weight: 600;
  color: #fff; background: var(--accent); border: 0; border-radius: 7px; padding: 8px 10px;
  transition: filter 0.12s ease;
}
.biz-quick-btn:hover { filter: brightness(1.08); }
.biz-quick-btn:disabled { opacity: 0.6; cursor: default; }
.biz-quick-adv {
  flex: 0 0 auto; cursor: pointer; font-size: 11px; color: var(--muted);
  background: transparent; border: 1px solid var(--border-strong);
  border-radius: 7px; padding: 8px 9px;
}
.biz-quick-adv:hover { color: var(--ink); border-color: var(--accent); }
.biz-quick-hint { font-size: 11px; color: var(--critical); line-height: 1.4; }
.biz-quick-hint[hidden] { display: none; }

/* ===================== packet source column + view ===================== */
.src-tag {
  display: inline-flex; align-items: center; gap: 4px; font-size: 11px;
  color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 5px; padding: 2px 7px; white-space: nowrap;
}
#pkt-source .src-head { display: flex; align-items: center; gap: 10px; margin-bottom: var(--s3); }
.src-kind { font-size: 13px; font-weight: 600; color: var(--ink); }
#pkt-source .src-head .h { margin-left: auto; color: var(--muted); font-size: 11px; }
.src-reality {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: var(--s4);
  font-size: 13px; line-height: 1.6; color: var(--ink); white-space: pre-wrap;
  max-height: 260px; overflow-y: auto;
}
.src-reality-label {
  display: block; font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); margin-bottom: 6px;
}
.src-fields { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: var(--s3) 0; }
.src-field { display: flex; gap: 7px; font-size: 12px; }
.src-key { color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; font-size: 10.5px; align-self: center; }
.src-val { color: var(--ink-2); }
.src-json { margin-top: var(--s2); }
.src-json summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.src-json summary:hover { color: var(--ink); }
.src-pre {
  margin: 8px 0 0; padding: var(--s3); background: var(--page);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-family: var(--mono); font-size: 11px; color: var(--ink-2);
  overflow-x: auto; max-height: 280px; overflow-y: auto;
}
.src-divider { height: 1px; background: var(--border); margin: var(--s5) 0 var(--s4); }