@font-face { font-family: 'Sora'; font-weight: 400; font-display: swap; src: url(/static/fonts/sora-latin-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'Sora'; font-weight: 500; font-display: swap; src: url(/static/fonts/sora-latin-500-normal.woff2) format('woff2'); }
@font-face { font-family: 'Sora'; font-weight: 600; font-display: swap; src: url(/static/fonts/sora-latin-600-normal.woff2) format('woff2'); }
@font-face { font-family: 'Sora'; font-weight: 700; font-display: swap; src: url(/static/fonts/sora-latin-700-normal.woff2) format('woff2'); }
@font-face { font-family: 'Sora'; font-weight: 800; font-display: swap; src: url(/static/fonts/sora-latin-800-normal.woff2) format('woff2'); }
@font-face { font-family: 'Plex Mono'; font-weight: 400; font-display: swap; src: url(/static/fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'Plex Mono'; font-weight: 500; font-display: swap; src: url(/static/fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2'); }
@font-face { font-family: 'Plex Mono'; font-weight: 600; font-display: swap; src: url(/static/fonts/ibm-plex-mono-latin-600-normal.woff2) format('woff2'); }

:root {
  --paper: #F5F3EE; --panel: #FFFFFF; --navy: #16202E; --ink: #2B3442; --grey: #5B6472; --mute: #8A93A0;
  --line: #E3DDCF; --beige: #EFEBE2; --teal: #0B7A68; --teal-bg: #E4F1EE; --amber: #B7791F; --amber-bg: #F7EEDF;
  --red: #C2412D; --red-bg: #F8E7E3; --slate: #5B6472;
  --sans: 'Sora', system-ui, -apple-system, 'Segoe UI', sans-serif; --mono: 'Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --r: 16px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--navy); font: 400 15px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--teal); }
button, input, textarea, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 6px; }

/* top bar */
.top { display: flex; align-items: center; gap: 18px; padding: 14px max(20px, env(safe-area-inset-left)) 14px max(20px, env(safe-area-inset-right)); border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.lockup { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--navy); font-weight: 600; font-size: 19px; letter-spacing: -0.3px; }
.lockup em { font-style: normal; font-weight: 400; color: var(--grey); }
.lockup b { font-weight: 700; color: var(--teal); }
.product { font-weight: 600; color: var(--grey); font-size: 14px; padding-left: 18px; border-left: 1px solid var(--line); }
.beta { font: 600 11px var(--mono); letter-spacing: 1px; text-transform: uppercase; color: var(--amber); border: 1.5px solid var(--amber); border-radius: 999px; padding: 1px 7px; margin-left: 6px; vertical-align: 2px; }
.toplink { margin-left: auto; font-weight: 600; font-size: 14px; text-decoration: none; color: var(--navy); border: 1.5px solid var(--line); background: var(--panel); padding: 7px 14px; border-radius: 999px; }
.toplink:hover { border-color: var(--navy); }

/* layout */
.wrap { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 28px; max-width: 1240px; margin: 0 auto; padding: 28px max(20px, env(safe-area-inset-right)) 40px max(20px, env(safe-area-inset-left)); align-items: start; }
.work { display: grid; gap: 20px; min-width: 0; }
.hero { padding: 6px 4px 4px; }
.kicker { margin: 0 0 8px; font: 600 12px var(--mono); letter-spacing: 2px; text-transform: uppercase; color: var(--teal); }
h1 { margin: 0; font-weight: 800; font-size: clamp(30px, 4.2vw, 46px); line-height: 1.08; letter-spacing: -1.4px; text-wrap: balance; }
.w-luck { color: var(--amber); } .w-edge { color: var(--teal); }
.lede { margin: 14px 0 0; max-width: 62ch; color: var(--ink); font-size: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 26px 28px; box-shadow: 0 1px 2px rgba(22, 32, 46, 0.04); }
.step { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.step h2, .card > h2 { margin: 0; font-size: 20px; font-weight: 700; letter-spacing: -0.3px; }
.num { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--navy); color: #fff; font: 600 14px var(--mono); flex: none; }

/* upload */
.drop { display: grid; justify-items: center; gap: 8px; padding: 34px 20px; border: 2px dashed var(--line); border-radius: 14px; background: var(--paper); text-align: center; cursor: pointer; transition: border-color .15s, background .15s; }
.drop:hover, .drop.over { border-color: var(--teal); background: var(--teal-bg); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop-icon { color: var(--teal); }
.drop-main { font-weight: 600; font-size: 16px; }
.drop-sub { color: var(--grey); font-size: 13px; max-width: 52ch; }
.samples { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 16px; font-size: 13px; color: var(--grey); }
.chip { border: 1.5px solid var(--line); background: var(--panel); border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 500; cursor: pointer; color: var(--navy); }
.chip:hover { border-color: var(--navy); }
.privacy { margin: 14px 0 0; font-size: 12.5px; color: var(--grey); }
.error { margin: 14px 0 0; padding: 10px 14px; border-radius: 10px; background: var(--red-bg); color: var(--red); font-size: 14px; font-weight: 500; }
.ok { margin: 12px 0 0; color: var(--teal); font-weight: 600; }

/* mapping */
.found { margin: 0 0 14px; color: var(--grey); }
.badge { display: inline-block; font: 600 12px var(--mono); letter-spacing: .5px; color: var(--teal); background: var(--teal-bg); border-radius: 6px; padding: 3px 9px; }
.mapping { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 10px 18px; }
.map-row { display: grid; gap: 4px; min-width: 0; }
.map-row label { font-size: 13px; font-weight: 600; }
.map-row label .req { color: var(--amber); font-weight: 700; }
.map-row select { width: 100%; padding: 8px 10px; border: 1.5px solid var(--line); border-radius: 9px; background: var(--paper); }
.map-row .ex { font: 400 12px var(--mono); color: var(--mute); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tv-note { margin: 0; padding: 12px 14px; border-radius: 10px; background: var(--beige); font-size: 14px; }
.qs { display: grid; gap: 16px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.q { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; }
.q legend { font-weight: 600; font-size: 14px; padding: 0; margin-bottom: 8px; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; }
.seg span { display: inline-block; padding: 7px 14px; border: 1.5px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 500; cursor: pointer; background: var(--panel); }
.seg input:checked + span { border-color: var(--navy); background: var(--navy); color: #fff; }
.seg input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 2px; }
.inline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.inline label { font-size: 13px; font-weight: 600; }
.inline input { width: 110px; padding: 8px 10px; border: 1.5px solid var(--line); border-radius: 9px; font-family: var(--mono); }
.hint { font-size: 12.5px; color: var(--grey); flex: 1 1 260px; }
.preview { margin-top: 18px; font-size: 13px; }
.preview summary { cursor: pointer; color: var(--grey); font-weight: 500; }
.table-scroll { overflow-x: auto; margin-top: 10px; border: 1px solid var(--line); border-radius: 10px; }
.table-scroll table { border-collapse: collapse; font: 400 12px var(--mono); white-space: nowrap; }
.table-scroll th, .table-scroll td { padding: 6px 10px; border-bottom: 1px solid var(--beige); text-align: left; }
.table-scroll th { background: var(--paper); font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.btn { border: 1.5px solid var(--navy); background: var(--panel); color: var(--navy); border-radius: 11px; padding: 11px 18px; font-weight: 600; cursor: pointer; }
.btn.primary { background: var(--navy); color: #fff; }
.btn.primary:hover { background: #24324a; }
.btn.ghost { border-color: var(--line); }
.btn:disabled { opacity: .55; cursor: progress; }

/* result */
.verdict { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 22px; align-items: center; }
.stamp svg { display: block; width: 136px; height: 136px; transform: rotate(-8deg); }
.result h2 { margin: 0; font-weight: 800; font-size: clamp(26px, 3vw, 34px); letter-spacing: -0.8px; line-height: 1.1; }
.summary { margin: 10px 0 0; max-width: 64ch; color: var(--ink); }
.result.edge { border-top: 5px solid var(--teal); }
.result.no_edge { border-top: 5px solid var(--amber); }
.result.more_data { border-top: 5px solid var(--slate); }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 22px; }
@media (max-width: 640px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.tile { background: var(--paper); border-radius: 12px; padding: 12px 14px; min-width: 0; }
.tile p { margin: 0; }
.tile .k { font-size: 12px; color: var(--grey); font-weight: 500; }
.tile .v { font: 600 20px var(--mono); letter-spacing: -0.5px; margin-top: 2px; font-variant-numeric: tabular-nums; }
.tile .s { font-size: 11.5px; color: var(--mute); margin-top: 2px; }
.pos { color: var(--teal); } .neg { color: var(--red); }
.chart-wrap { margin-top: 20px; }
.chart-title { margin: 0 0 6px; font-size: 13px; font-weight: 600; color: var(--grey); }
.chart svg { display: block; width: 100%; height: auto; }
.chart-dates { display: flex; justify-content: space-between; margin: 4px 12% 0 0; font: 12px var(--mono); color: var(--grey); }
.card { scroll-margin-top: 84px; }
.needed { margin-top: 18px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 18px; align-items: center; padding: 16px 18px; border-radius: 12px; background: var(--beige); }
.needed .big { grid-row: span 2; font: 700 34px var(--mono); letter-spacing: -1px; color: var(--navy); }
.needed p { margin: 0; font-size: 14px; }
.needed .t { font-weight: 700; }
#detected { margin-top: 16px; }
#detected + .assumptions { margin-top: 4px; }
.assumptions { margin: 16px 0 0; font-size: 12.5px; color: var(--grey); }

/* rule card + next */
.rulecard .note { margin: 0 0 14px; color: var(--grey); font-size: 14px; }
.rulecard dl { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 8px 16px; margin: 0; }
.rulecard dt { font-weight: 600; font-size: 13px; color: var(--grey); }
.rulecard dd { margin: 0; font-size: 14px; }
.rulecard dd.tbc { color: var(--amber); }
.next { background: var(--navy); color: #fff; border-color: var(--navy); }
.next h2 { color: #fff; }
.next p { color: #D9DEE6; max-width: 64ch; }
.next .fine { font-size: 12.5px; color: #9AA4B2; margin-top: 10px; }
.next .ok { color: #7FD4C4; }
.sub { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.sub input { flex: 1 1 240px; padding: 11px 14px; border-radius: 11px; border: 0; color: var(--navy); }
.next .btn.primary { background: var(--amber); border-color: var(--amber); }

/* chat */
.chat { position: sticky; top: 76px; display: grid; grid-template-rows: auto minmax(0, 1fr) auto auto; height: calc(100vh - 100px); min-height: 520px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.chat-head { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--teal); color: #fff; font-weight: 800; }
.chat-title { margin: 0; font-weight: 700; }
.chat-sub { margin: 0; font-size: 12px; color: var(--grey); }
.msgs { overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 92%; padding: 10px 13px; border-radius: 14px; font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.msg.bot { background: var(--paper); border-top-left-radius: 4px; }
.msg.me { align-self: flex-end; background: var(--navy); color: #fff; border-top-right-radius: 4px; }
.msg p { margin: 0 0 6px; } .msg p:last-child { margin: 0; }
.msg.typing { color: var(--grey); font-style: italic; }
.chat-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px 10px; }
.chat-chips .chip { font-size: 12px; padding: 5px 10px; }
.ask { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.ask textarea { flex: 1; resize: none; border: 1.5px solid var(--line); border-radius: 12px; padding: 10px 12px; max-height: 120px; background: var(--paper); }
.send { width: 44px; border-radius: 12px; border: 0; background: var(--teal); color: #fff; cursor: pointer; display: grid; place-items: center; }

.foot { max-width: 1240px; margin: 0 auto; padding: 10px max(20px, env(safe-area-inset-right)) 40px max(20px, env(safe-area-inset-left)); font-size: 12.5px; color: var(--grey); }
.foot p { margin: 4px 0; }

@media (max-width: 980px) {
  .wrap { grid-template-columns: minmax(0, 1fr); }
  .chat { position: static; height: 560px; }
  .product { display: none; }
}
@media (max-width: 560px) {
  .card { padding: 20px 18px; }
  .verdict { grid-template-columns: minmax(0, 1fr); }
  .stamp svg { width: 104px; height: 104px; }
  .toplink { padding: 6px 10px; font-size: 13px; }
  .rulecard dl { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }