:root {
  --navy: #10365F;
  --blue: #1B4C86;
  --teal: #1C8FA8;
  --green: #25B884;

  --bg: #F3F7FB;
  --card: #FFFFFF;
  --line: #E2EAF3;
  --line-2: #CBD8E7;

  --ink: #12253D;
  --ink-2: #55677E;
  --ink-3: #8496AC;

  --pass-bg: #E7F6EF; --pass-fg: #10704F;
  --warn-bg: #FDF3E2; --warn-fg: #7A5310;
  --conf-bg: #FCEDEC; --conf-fg: #9B2C28;
  --info-bg: #E8F1FA; --info-fg: #1B4C86;

  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --shadow: 0 1px 2px rgba(16,54,95,.05), 0 6px 18px rgba(16,54,95,.06);
}

* { box-sizing: border-box; }

/* The `hidden` attribute works through the UA rule `[hidden] { display: none }`,
   which any author rule setting a display value outranks. Several components
   here are flex containers, so without this their `hidden` toggle silently does
   nothing. !important is the point: it has to beat rules added later too. */
[hidden] { display: none !important; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 14.5px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
button { font: inherit; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 18px;
  padding: 10px 28px; background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 9px; background: none; border: none; padding: 0; cursor: pointer; }
.logomark { width: 34px; height: 31px; }
.wordmark { font-size: 19px; font-weight: 700; letter-spacing: .045em; }
.w1 { color: var(--navy); }
.w2 { background: linear-gradient(90deg, var(--teal), var(--green)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.crumbs { display: flex; align-items: center; gap: 9px; font-size: 13px; }
.crumb-back {
  display: inline-flex; align-items: center; gap: 5px; cursor: pointer;
  background: none; border: none; color: var(--teal); padding: 4px 2px;
}
.crumb-back:hover { color: var(--navy); }
.crumb-sep { color: var(--ink-3); }
.crumb-now { color: var(--ink); font-weight: 600; }

.disclaimer {
  margin-left: auto; font-size: 12px; color: var(--warn-fg);
  background: var(--warn-bg); padding: 5px 12px; border-radius: 999px;
}

/* ---------- layout ---------- */
#main { max-width: 1180px; margin: 0 auto; padding: 32px 28px 96px; }

.section-head { margin: 40px 0 14px; }
.section-head h2 { font-size: 17px; }
.section-head p { margin: 3px 0 0; font-size: 13.5px; color: var(--ink-2); }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: 40px; align-items: center;
  background: linear-gradient(135deg, #FFFFFF 0%, #F7FBFE 60%, #EEF7F6 100%);
  border: 1px solid var(--line); border-radius: 16px;
  padding: 36px 38px; box-shadow: var(--shadow);
}
.hero-copy h1 { font-size: 30px; line-height: 1.25; letter-spacing: -.02em; color: var(--navy); }
.hero-copy p { margin: 14px 0 0; font-size: 15px; color: var(--ink-2); max-width: 46em; }
.hero-actions { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }

.btn { cursor: pointer; border-radius: 8px; padding: 9px 18px; font-size: 14px; font-weight: 500; border: 1px solid transparent; }
.btn.primary { background: var(--navy); color: #fff; }
.btn.primary:hover { background: #0B2947; }
.btn.ghost { background: #fff; color: var(--navy); border-color: var(--line-2); }
.btn.ghost:hover { border-color: var(--teal); color: var(--teal); }

.hero-svg { width: 100%; height: auto; }
.hero-svg .flow { fill: none; stroke: #BFD6E8; stroke-width: 1.4; }
.hero-svg .src rect { fill: #fff; stroke: #CBDDEB; stroke-width: 1.2; }
.hero-svg .out rect { fill: #fff; stroke: #BEE3D5; stroke-width: 1.3; }
.hero-svg .hexnode { fill: #EAF4FA; stroke: url(#hiveGrad); stroke-width: 2.2; stroke-linejoin: round; }
.hero-svg .cap { font: 600 9.5px var(--font); fill: #8496AC; letter-spacing: .1em; }
.hero-svg .hexlabel { font: 700 9.5px var(--font); fill: #10365F; letter-spacing: .06em; }
.hero-svg .outlabel { font: 500 11.5px var(--font); fill: #12253D; }

/* ---------- case rail ---------- */
.caserail { display: flex; gap: 8px; flex-wrap: wrap; }
.casebtn {
  cursor: pointer; background: #fff; border: 1px solid var(--line);
  border-radius: 9px; padding: 8px 13px; color: var(--ink-2); text-align: left;
  display: flex; align-items: center; gap: 8px;
}
.casebtn:hover { border-color: var(--line-2); }
.casebtn.active { border-color: var(--teal); background: #F2FAFB; box-shadow: 0 0 0 3px rgba(28,143,168,.1); }
.casebtn .cid { font-weight: 600; color: var(--ink); font-size: 13.5px; }
.casebtn .prod { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); }
.casebtn .tag { font-size: 10px; letter-spacing: .05em; padding: 2px 7px; border-radius: 999px; }
.tag.conflict { background: var(--conf-bg); color: var(--conf-fg); }
.tag.missing { background: var(--warn-bg); color: var(--warn-fg); }
.tag.unusual { background: var(--info-bg); color: var(--info-fg); }

/* ---------- module cards ---------- */
.modgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); gap: 14px; }
.modcard {
  cursor: pointer; text-align: left; background: var(--card);
  border: 1px solid var(--line); border-radius: 13px; padding: 18px 19px 16px;
  box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 9px;
  transition: transform .12s ease, border-color .12s ease;
}
.modcard:hover { transform: translateY(-2px); border-color: var(--teal); }
.modcard .ic {
  width: 36px; height: 36px; border-radius: 9px; background: #EDF5FB;
  display: flex; align-items: center; justify-content: center; color: var(--blue);
}
.modcard h3 { font-size: 15px; color: var(--navy); }
.modcard .desc { font-size: 13px; color: var(--ink-2); flex: 1; }
.modcard .foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 2px; }
.modcard .stat { font-size: 13px; font-weight: 600; color: var(--ink); }
.state { font-size: 11px; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.state.ok { background: var(--pass-bg); color: var(--pass-fg); }
.state.warn { background: var(--warn-bg); color: var(--warn-fg); }
.state.bad { background: var(--conf-bg); color: var(--conf-fg); }
.state.idle { background: #EEF2F7; color: var(--ink-3); }

/* ---------- detail ---------- */
.detail-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 16px; flex-wrap: wrap; }
.detail-titles h2 { font-size: 20px; color: var(--navy); }
.detail-titles p { margin: 3px 0 0; font-size: 13.5px; color: var(--ink-2); }
.detail-jump { display: flex; gap: 6px; flex-wrap: wrap; }
.jump {
  cursor: pointer; background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 12px; font-size: 12.5px; color: var(--ink-2);
}
.jump:hover { border-color: var(--line-2); }
.jump.active { background: var(--navy); border-color: var(--navy); color: #fff; }

.detail-body { display: grid; grid-template-columns: minmax(0,1fr) 210px; gap: 16px; align-items: start; }
.detail-body:has(.rail[hidden]) { grid-template-columns: minmax(0,1fr); }
.rail { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; position: sticky; top: 78px; }
.rail h4 { font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 10px; }
.recitem { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; margin-bottom: 7px; background: #FBFDFE; }
.recitem.lit { border-color: var(--teal); background: #F2FAFB; }
.recitem .rid { font-family: var(--mono); font-size: 11px; color: var(--ink); }
.recitem .rmeta { font-size: 10.5px; color: var(--ink-3); }

/* ---------- shared artifact styles ---------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: 11px; padding: 13px 16px; margin-bottom: 8px; }
.pill { font-size: 10.5px; padding: 3px 9px; border-radius: 999px; white-space: nowrap; letter-spacing: .03em; }
.pill.PASS, .pill.PRESENT { background: var(--pass-bg); color: var(--pass-fg); }
.pill.WARNING, .pill.NEEDSDECISION { background: var(--warn-bg); color: var(--warn-fg); }
.pill.MISSING, .pill.ABSENT { background: var(--conf-bg); color: var(--conf-fg); }
.pill.CONFLICT { background: var(--conf-bg); color: var(--conf-fg); }
.pill.NA { background: #EEF2F7; color: var(--ink-3); }

.statbar { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px,1fr)); gap: 10px; margin-bottom: 16px; }
.statbox { background: #fff; border: 1px solid var(--line); border-radius: 11px; padding: 13px 15px; }
.statbox b { display: block; font-size: 22px; font-weight: 600; line-height: 1.2; color: var(--navy); }
.statbox span { font-size: 11.5px; color: var(--ink-3); }
.note { font-size: 12px; color: var(--ink-3); margin: 14px 2px 0; font-style: italic; }

/* form 1571 */
.field { cursor: pointer; }
.field:hover { border-color: var(--line-2); }
.field.open { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(28,143,168,.09); }
.fhead { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.flabel { font-size: 12.5px; color: var(--ink-2); }
.fbox { color: var(--ink-3); font-family: var(--mono); font-size: 11px; margin-right: 7px; }
.fval { font-size: 14.5px; margin-top: 2px; }
.fval.none { color: var(--ink-3); }
.fsrc { font-size: 11px; color: var(--ink-3); margin-top: 5px; font-family: var(--mono); }
.alt { font-size: 13.5px; margin-top: 7px; padding-left: 11px; border-left: 2px solid #E4A9A5; }
.alt .from { color: var(--ink-3); font-family: var(--mono); font-size: 11px; }
.refuse { margin-top: 9px; font-size: 12.5px; color: var(--conf-fg); }

/* cover letter */
.paper {
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 48px 52px; max-width: 700px; margin: 0 auto;
  font-family: Georgia, "Times New Roman", serif; font-size: 14.5px; line-height: 1.8;
  white-space: pre-wrap; position: relative; overflow: hidden; box-shadow: var(--shadow);
}
.paper::before {
  content: "POC DRAFT — SYNTHETIC DATA"; position: absolute;
  top: 44%; left: 50%; transform: translate(-50%,-50%) rotate(-24deg);
  font-size: 30px; letter-spacing: .12em; color: rgba(16,54,95,.055);
  white-space: nowrap; pointer-events: none; font-family: var(--font); font-weight: 700;
}
.ground { max-width: 700px; margin: 0 auto 14px; padding: 11px 15px; border-radius: 10px; font-size: 13px; display: flex; gap: 10px; }
.ground.clean { background: var(--pass-bg); color: var(--pass-fg); }
.ground.flagged { background: var(--warn-bg); color: var(--warn-fg); }
.ground ul { margin: 5px 0 0; padding-left: 17px; }
.empty { color: var(--ink-3); text-align: center; padding: 56px 16px; }

/* toc + plan */
.tocsec { background: #fff; border: 1px solid var(--line); border-radius: 11px; padding: 13px 16px; margin-bottom: 8px; }
.tocsec h5 { font-size: 13.5px; margin-bottom: 7px; }
.lnum { font-family: var(--mono); color: var(--ink-3); margin-right: 8px; font-weight: 400; }
.leaf { display: flex; gap: 11px; align-items: flex-start; padding: 7px 0; border-top: 1px solid var(--line); }
.leaf:first-of-type { border-top: none; }
.ltitle { font-size: 13.5px; }
.ldetail { font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
.pbody { font-size: 13.5px; color: var(--ink-2); margin-top: 4px; }
.phead { font-size: 11.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-3); margin: 20px 0 9px; font-weight: 600; }
.srow { display: grid; grid-template-columns: minmax(0,132px) minmax(0,1fr); gap: 12px; padding: 6px 0; border-top: 1px solid var(--line); font-size: 12.5px; }
.srow:first-of-type { border-top: none; }
.skey { color: var(--ink-3); }

/* validation */
.verdict { padding: 13px 16px; border-radius: 11px; margin-bottom: 14px; font-size: 14.5px; font-weight: 600; }
.verdict.bad { background: var(--conf-bg); color: var(--conf-fg); }
.verdict.ok { background: var(--pass-bg); color: var(--pass-fg); }
.issue { display: flex; gap: 11px; align-items: flex-start; }
.imsg { font-size: 13.5px; }
.ifield { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
details.passes { margin-top: 12px; }
details.passes summary { cursor: pointer; font-size: 13px; color: var(--ink-2); }
details.passes li { font-size: 12.5px; color: var(--ink-2); }
.scopenote { font-size: 12px; color: var(--ink-3); margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }

/* ---------- chat ---------- */
.chat-fab {
  position: fixed; right: 26px; bottom: 26px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(16,54,95,.28);
}
.chat-fab:hover { transform: translateY(-1px); }

.chat-panel {
  position: fixed; right: 26px; bottom: 26px; z-index: 61;
  width: 392px; max-width: calc(100vw - 32px);
  height: 588px; max-height: calc(100vh - 60px);
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 12px 40px rgba(16,54,95,.2);
  display: flex; flex-direction: column; overflow: hidden;
}
.chat-head { display: flex; align-items: center; justify-content: space-between; padding: 13px 15px; border-bottom: 1px solid var(--line); }
.chat-title { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--navy); }
.chat-x { background: none; border: none; cursor: pointer; color: var(--ink-3); padding: 4px; }
.chat-x:hover { color: var(--ink); }

.log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 11px; }
.msg { max-width: 94%; font-size: 13.5px; }
.msg p { margin: 0 0 .55em; }
.msg p:last-child { margin-bottom: 0; }
.msg.user { align-self: flex-end; background: var(--info-bg); color: var(--info-fg); padding: 8px 12px; border-radius: 12px 12px 3px 12px; }
.msg.assistant { align-self: flex-start; color: var(--ink); }
.msg.assistant ul { margin: .4em 0; padding-left: 1.15em; }
.msg.assistant code { font-family: var(--mono); font-size: 12px; background: #EEF2F7; padding: 1px 5px; border-radius: 4px; }
.msg.assistant table { border-collapse: collapse; font-size: 12.5px; margin: .5em 0; }
.msg.assistant th, .msg.assistant td { border: 1px solid var(--line); padding: 4px 8px; text-align: left; }

.toolchip {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-2);
  background: #F7FAFC; border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px;
}
.toolchip .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); }
.toolchip.running .dot { animation: pulse 1s ease-in-out infinite; }
.toolchip.err { background: var(--conf-bg); color: var(--conf-fg); border-color: #F0C9C6; }
@keyframes pulse { 50% { opacity: .25; } }
.errbox { align-self: flex-start; background: var(--conf-bg); color: var(--conf-fg); padding: 9px 12px; border-radius: 10px; font-size: 13px; }

.starters { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px 12px; }
.chip {
  cursor: pointer; font-size: 12.5px; text-align: left; background: #fff;
  color: var(--ink-2); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px;
}
.chip:hover { border-color: var(--teal); color: var(--teal); }

.composer { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--line); align-items: flex-end; }
.composer textarea {
  flex: 1; font: inherit; font-size: 13.5px; resize: none; max-height: 120px;
  border: 1px solid var(--line-2); border-radius: 10px; padding: 9px 12px; color: var(--ink);
}
.composer textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(28,143,168,.12); }
.composer button {
  cursor: pointer; width: 38px; height: 38px; border-radius: 10px; border: none;
  background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center;
}
.composer button:disabled { opacity: .4; cursor: default; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 26px 22px; }
  .detail-body { grid-template-columns: 1fr; }
  .rail { position: static; }
  #main { padding: 22px 16px 96px; }
}
.hero-fine { font-size: 13px !important; color: var(--ink-3) !important; margin-top: 10px !important; }
.hero-fine strong { color: var(--navy); font-weight: 600; }

/* ---------- input view ---------- */
.boundary {
  background: var(--info-bg); color: var(--info-fg); border-radius: 11px;
  padding: 13px 16px; font-size: 13px; margin-bottom: 16px; line-height: 1.6;
}
.boundary strong { display: block; margin-bottom: 3px; }
.recgroup { background: #fff; border: 1px solid var(--line); border-radius: 11px; padding: 13px 16px; margin-bottom: 10px; }
.rechead { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding-bottom: 9px; border-bottom: 1px solid var(--line); }
.rechead h5 { font-size: 13.5px; }
.recmeta { font-size: 11.5px; color: var(--ink-3); }
.recmeta code { font-family: var(--mono); }
.frow { display: grid; grid-template-columns: minmax(0,190px) minmax(0,1fr) minmax(0,180px); gap: 12px; padding: 8px 0; border-top: 1px solid var(--line); align-items: start; }
.frow:nth-of-type(1) { border-top: none; }
.frow.contested { background: #FEF7F6; margin: 0 -16px; padding: 8px 16px; }
.fpath { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); word-break: break-all; }
.fvalue { font-size: 13px; }
.fdest { text-align: right; }
.clash { font-size: 11.5px; color: var(--conf-fg); margin-top: 4px; }
.clash code { font-family: var(--mono); }
.dest { cursor: pointer; background: none; border: none; padding: 0; font-size: 11.5px; color: var(--teal); text-align: right; }
.dest:hover { color: var(--navy); text-decoration: underline; }
.dest.none { color: var(--ink-3); cursor: default; }
.modcard.input .ic { background: #E9EFF6; color: var(--navy); }
.hotspot { cursor: pointer; }
.hotspot:hover .src rect { stroke: var(--teal); }
.hotspot:hover .cap { fill: var(--teal); }

/* box 12 checklist */
.cklist { margin-top: 8px; }
.ckrow { display: grid; grid-template-columns: 20px 22px minmax(0,1fr); gap: 6px; padding: 5px 0; border-top: 1px solid var(--line); font-size: 13px; align-items: start; }
.ckrow:first-child { border-top: none; }
.ckbox { width: 16px; height: 16px; border: 1.4px solid var(--line-2); border-radius: 3px; display: flex; align-items: center; justify-content: center; font-size: 11px; color: #fff; margin-top: 1px; }
.ckrow.on .ckbox { background: var(--green); border-color: var(--green); }
.cknum { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); }
.cklabel { display: block; }
.cknote { font-size: 11.5px; color: var(--ink-3); }
.ckrow:not(.on) .cklabel { color: var(--ink-2); }
.subnote { font-size: 12.5px; color: var(--ink-3); margin: 0 2px 10px; }

@media (max-width: 760px) {
  .frow { grid-template-columns: 1fr; gap: 3px; }
  .fdest { text-align: left; }
}

/* ---------- chat identity ---------- */
.chat-fab {
  width: auto; height: 52px; border-radius: 26px; padding: 0 20px 0 16px; gap: 9px;
}
.fab-label { color: #fff; font-size: 14px; font-weight: 500; letter-spacing: .01em; }
@media (max-width: 480px) {
  .chat-fab { width: 54px; height: 54px; padding: 0; border-radius: 50%; }
  .fab-label { display: none; }
}
.chat-name { display: flex; flex-direction: column; line-height: 1.15; }
.chat-name small { font-size: 10.5px; font-weight: 400; color: var(--ink-3); letter-spacing: .02em; }
.chat-panel { height: min(560px, calc(100vh - 96px)); }
.msg.assistant .hint { color: var(--ink-3); font-size: 12.5px; }