:root {
  color-scheme: dark;
  --ink: #0a0705;
  --ink-soft: #120d0a;
  --surface: #171009;
  --surface-raised: #1d140d;
  --border: #2b1f15;
  --border-bright: #45301f;
  --text: #f0ebe3;
  --muted: #918578;
  --faint: #625548;
  --crimson: #a61b2e;
  --crimson-bright: #d02945;
  --gold: #c9a227;
  --success: #4aaa7d;
  --score: 50%;
  --content: 1240px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 9%, rgba(166, 27, 46, .13), transparent 29rem),
    radial-gradient(circle at 14% 34%, rgba(201, 162, 39, .05), transparent 28rem),
    var(--ink);
  font-family: Inter, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: #fff; background: var(--crimson); }

.grain {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  opacity: .03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-head {
  width: min(calc(100% - 40px), var(--content));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--border);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  text-transform: uppercase;
  font-family: "Bodoni Moda", serif;
  font-size: 14px;
  letter-spacing: .18em;
}
.brand img { border: 1px solid var(--border); border-radius: 7px; }
.brand em { color: var(--crimson-bright); font-style: italic; }
.network {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 12px rgba(74, 170, 125, .55); }
.network-rule { width: 1px; height: 12px; background: var(--border-bright); }

main { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; }
.intro {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
  padding: clamp(72px, 9vw, 130px) 0 clamp(54px, 7vw, 90px);
}
.eyebrow {
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .34em;
  text-transform: uppercase;
}
.eyebrow > span { width: 6px; height: 6px; border: 1px solid var(--gold); transform: rotate(45deg); }
h1, h2 { margin: 0; font-family: "Bodoni Moda", serif; font-weight: 400; }
h1 { max-width: 780px; font-size: clamp(48px, 7.3vw, 96px); line-height: .98; letter-spacing: -.035em; }
h1 em, .saved-head h2 em { color: var(--crimson-bright); font-style: italic; }
.intro-copy { padding-bottom: 7px; }
.intro-copy > p:first-child { margin: 0; color: var(--muted); font-size: clamp(15px, 1.55vw, 18px); line-height: 1.75; }
.privacy-note { margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--border); color: var(--faint); font-family: "JetBrains Mono", monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }

.lab-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(370px, .97fr);
  border: 1px solid var(--border);
  background: var(--border);
  gap: 1px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .34);
}
.input-panel, .result-panel { min-width: 0; padding: clamp(25px, 3.3vw, 46px); background: var(--ink-soft); }
.result-panel { background: linear-gradient(155deg, var(--surface-raised), var(--ink-soft) 52%); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 34px; }
.step, .result-label {
  margin: 0;
  color: var(--gold);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.text-button { padding: 0; color: var(--faint); background: none; border: 0; cursor: pointer; font-size: 11px; text-decoration: underline; text-underline-offset: 4px; }
.text-button:hover { color: var(--text); }
.field { display: block; margin-bottom: 25px; }
.field > span, fieldset legend {
  display: block;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.field input, .field textarea {
  width: 100%;
  color: var(--text);
  background: var(--ink);
  border: 1px solid var(--border);
  border-radius: 0;
  outline: none;
  padding: 15px 16px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.field textarea { min-height: 90px; resize: vertical; line-height: 1.6; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field textarea:focus { border-color: rgba(201, 162, 39, .55); box-shadow: 0 0 0 3px rgba(201, 162, 39, .06); }
fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.lane-field { margin-top: 32px; }
.lane-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.lane-card { position: relative; min-height: 98px; padding: 15px; display: grid; grid-template-columns: auto 1fr; column-gap: 11px; align-content: center; cursor: pointer; background: var(--ink); border: 1px solid var(--border); transition: border-color .25s ease, background .25s ease, transform .25s var(--ease); }
.lane-card:hover { transform: translateY(-2px); border-color: var(--border-bright); }
.lane-card:has(input:checked) { background: rgba(166, 27, 46, .09); border-color: var(--crimson); box-shadow: inset 2px 0 0 var(--crimson-bright); }
.lane-card:has(input:focus-visible) { outline: 2px solid var(--gold); outline-offset: 2px; }
.lane-card input { position: absolute; opacity: 0; pointer-events: none; }
.lane-index { grid-row: 1 / span 2; color: var(--gold); font-family: "Bodoni Moda", serif; font-size: 16px; font-style: italic; }
.lane-card strong { font-family: "Bodoni Moda", serif; font-size: 17px; font-weight: 400; }
.lane-card small { color: var(--faint); font-size: 10px; }
.signals { margin-top: 35px; padding-top: 30px; border-top: 1px solid var(--border); }
.signals legend { width: 100%; margin-bottom: 25px; display: flex; align-items: baseline; justify-content: space-between; gap: 16px; color: var(--gold); font-family: "JetBrains Mono", monospace; font-size: 10px; }
.signals legend span { letter-spacing: .16em; }
.signals legend small { color: var(--faint); font-size: 9px; font-weight: 400; letter-spacing: 0; text-transform: none; }
.signal { display: block; margin: 0 0 20px; }
.signal > span { display: flex; justify-content: space-between; align-items: baseline; gap: 15px; }
.signal b { color: var(--muted); font-size: 12px; font-weight: 500; }
.signal output { color: var(--text); font-family: "JetBrains Mono", monospace; font-size: 11px; font-variant-numeric: tabular-nums; }
.signal input { width: 100%; height: 18px; margin: 7px 0 0; appearance: none; background: transparent; cursor: pointer; }
.signal input::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(90deg, var(--crimson), var(--gold)); }
.signal input::-webkit-slider-thumb { width: 14px; height: 14px; margin-top: -6px; appearance: none; border: 2px solid var(--ink-soft); border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
.signal input::-moz-range-track { height: 2px; background: linear-gradient(90deg, var(--crimson), var(--gold)); }
.signal input::-moz-range-thumb { width: 12px; height: 12px; border: 2px solid var(--ink-soft); border-radius: 50%; background: var(--gold); }
.signal input:focus-visible { outline: 1px solid var(--gold); outline-offset: 4px; }

.result-stage { padding: 5px 10px; color: var(--success); border: 1px solid rgba(74, 170, 125, .35); font-family: "JetBrains Mono", monospace; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.score-zone { min-height: 250px; display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: clamp(12px, 3vw, 40px); border-bottom: 1px solid var(--border); padding: 0 0 28px; }
.score-ring {
  width: clamp(142px, 15vw, 184px);
  aspect-ratio: 1;
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 50%;
  background: conic-gradient(var(--crimson-bright) 0 var(--score), var(--border) var(--score) 100%);
}
.score-ring::before { content: ""; position: absolute; inset: 6px; border-radius: inherit; background: var(--surface-raised); }
.score-ring span, .score-ring small { position: relative; z-index: 1; }
.score-ring span { font-family: "Bodoni Moda", serif; font-size: clamp(52px, 7vw, 74px); line-height: .9; font-variant-numeric: tabular-nums; }
.score-ring small { margin-top: 10px; color: var(--faint); font-family: "JetBrains Mono", monospace; font-size: 8px; letter-spacing: .16em; }
.radar { width: 100%; max-width: 230px; margin: auto; overflow: visible; }
.radar-grid polygon, .radar-grid line { fill: none; stroke: var(--border-bright); stroke-width: .8; }
.signal-shape { fill: rgba(166, 27, 46, .2); stroke: var(--gold); stroke-width: 1.5; transition: points .35s var(--ease); filter: drop-shadow(0 0 10px rgba(201, 162, 39, .18)); }
.decision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 1px 0 0; background: var(--border); }
.decision-card { padding: 17px; background: var(--ink-soft); }
.decision-card > span, .surface-card > span { display: block; margin-bottom: 6px; color: var(--faint); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.decision-card strong { color: var(--success); font-family: "JetBrains Mono", monospace; font-size: 11px; font-weight: 500; }
.decision-card.warn strong { color: var(--gold); }
.surface-card { margin: 25px 0 0; padding: 22px; border: 1px solid var(--border); border-left: 2px solid var(--crimson-bright); background: rgba(10, 7, 5, .44); }
.surface-card > div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.surface-card h2 { font-size: clamp(24px, 3vw, 34px); }
.surface-card a { color: var(--crimson-bright); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; }
.surface-card a:hover { color: var(--gold); }
.surface-card p { margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.moves, .risk { margin-top: 24px; }
.moves ol { margin: 14px 0 0; padding: 0; list-style: none; counter-reset: moves; }
.moves li { counter-increment: moves; position: relative; padding: 12px 0 12px 38px; color: var(--muted); border-top: 1px solid var(--border); font-size: 12px; line-height: 1.65; }
.moves li::before { content: "0" counter(moves); position: absolute; left: 0; top: 13px; color: var(--gold); font-family: "JetBrains Mono", monospace; font-size: 9px; }
.risk { padding: 15px 17px; background: rgba(166, 27, 46, .08); border: 1px solid rgba(166, 27, 46, .25); }
.risk .result-label { color: var(--crimson-bright); }
.risk > p:last-child { margin: 8px 0 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.result-actions { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 8px; margin-top: 26px; }
.button { min-height: 43px; padding: 11px 14px; color: var(--text); border: 1px solid var(--border-bright); background: transparent; cursor: pointer; font-size: 9px; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s var(--ease); }
.button:hover { color: var(--gold); border-color: var(--gold); transform: translateY(-2px); }
.button.primary { color: #fff; background: var(--crimson); border-color: var(--crimson); }
.button.primary:hover { color: #fff; background: var(--crimson-bright); border-color: var(--crimson-bright); }
.button:focus-visible, .text-button:focus-visible, .saved-load:focus-visible, .saved-remove:focus-visible, a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.status { min-height: 18px; margin: 10px 0 0; color: var(--faint); font-family: "JetBrains Mono", monospace; font-size: 9px; }
.status[data-tone="ok"] { color: var(--success); }
.status[data-tone="error"] { color: var(--crimson-bright); }

.saved-section { padding: clamp(74px, 9vw, 120px) 0; }
.saved-head { display: grid; grid-template-columns: 1fr .8fr; gap: 50px; align-items: end; margin-bottom: 35px; }
.saved-head h2 { font-size: clamp(36px, 5vw, 58px); line-height: 1; }
.saved-head > p { max-width: 450px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.saved-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.saved-card { min-width: 0; display: grid; grid-template-columns: 1fr auto; border: 1px solid var(--border); background: var(--ink-soft); }
.saved-load { min-width: 0; padding: 18px; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; color: var(--text); background: none; border: 0; cursor: pointer; text-align: left; }
.saved-load strong { max-width: 100%; overflow: hidden; text-overflow: ellipsis; color: var(--text); font-family: "Bodoni Moda", serif; font-size: 19px; font-weight: 400; white-space: nowrap; }
.saved-load span { color: var(--faint); font-family: "JetBrains Mono", monospace; font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }
.saved-load:hover strong { color: var(--gold); }
.saved-remove { width: 45px; color: var(--faint); background: none; border: 0; border-left: 1px solid var(--border); cursor: pointer; font-size: 18px; }
.saved-remove:hover { color: var(--crimson-bright); }
.saved-empty { grid-column: 1 / -1; margin: 0; padding: 28px; color: var(--faint); border: 1px dashed var(--border); text-align: center; font-size: 12px; }

footer { width: min(calc(100% - 40px), var(--content)); min-height: 120px; margin: 0 auto; padding: 30px 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; border-top: 1px solid var(--border); }
footer p { margin: 0; color: var(--faint); font-size: 10px; text-align: center; text-transform: uppercase; letter-spacing: .08em; }
footer > a:last-child { justify-self: end; color: var(--muted); font-size: 11px; text-decoration: none; }
footer > a:last-child:hover { color: var(--gold); }

@media (max-width: 960px) {
  .intro { grid-template-columns: 1fr; gap: 28px; }
  .intro-copy { max-width: 640px; }
  .lab-shell { grid-template-columns: 1fr; }
  .result-panel { border-top: 0; }
}

@media (max-width: 640px) {
  .site-head, main, footer { width: min(calc(100% - 28px), var(--content)); }
  .site-head { min-height: 68px; }
  .network-rule, #network-block { display: none; }
  .brand { font-size: 12px; }
  .intro { padding-top: 54px; }
  h1 { font-size: clamp(44px, 15vw, 67px); }
  .input-panel, .result-panel { padding: 23px 18px; }
  .lane-grid { grid-template-columns: 1fr; }
  .lane-card { min-height: 76px; }
  .signals legend { align-items: flex-start; flex-direction: column; gap: 5px; }
  .score-zone { grid-template-columns: 1fr 1fr; min-height: 210px; }
  .score-ring { width: 132px; }
  .decision-grid, .result-actions, .saved-head, .saved-grid { grid-template-columns: 1fr; }
  .surface-card > div { align-items: flex-start; flex-direction: column; gap: 5px; }
  footer { grid-template-columns: 1fr; justify-items: start; padding: 36px 0; }
  footer p { text-align: left; }
  footer > a:last-child { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; }
  .button:hover, .lane-card:hover { transform: none; }
}