:root {
  --ink: #080d0c;
  --panel: #101715;
  --panel-2: #151d1a;
  --line: #2a3631;
  --paper: #eef2e8;
  --muted: #96a39c;
  --acid: #c9ff63;
  --acid-ink: #172300;
  --coral: #ff7d66;
  --amber: #ffc95c;
  --cyan: #66d9d0;
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    linear-gradient(rgba(201, 255, 99, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 255, 99, .025) 1px, transparent 1px),
    var(--ink);
  background-size: 48px 48px;
  color: var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
}

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
.shell { width: min(1400px, calc(100% - 48px)); margin-inline: auto; }
.mono, code, pre { font-family: var(--mono); }
.dim { color: var(--muted); }
.skip-link { position: fixed; left: 16px; top: -100px; background: var(--acid); color: var(--acid-ink); padding: 10px 14px; z-index: 50; }
.skip-link:focus { top: 16px; }

.topbar {
  height: 76px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: rgba(8, 13, 12, .9);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.1; letter-spacing: .1em; }
.brand strong { font-size: 13px; }
.brand small { color: var(--muted); font-size: 9px; margin-top: 4px; }
.brand-mark { width: 30px; height: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; transform: skew(-8deg); }
.brand-mark i { background: var(--acid); display: block; }
.brand-mark i:nth-child(2) { opacity: .62; }
.brand-mark i:nth-child(3) { opacity: .28; }
.topbar-status { display: flex; align-items: center; gap: 18px; font-size: 11px; }
.environment-tag { border: 1px solid var(--coral); color: var(--coral); border-radius: 99px; padding: 5px 9px; font-family: var(--mono); font-weight: 700; letter-spacing: .08em; }

.hero { min-height: 620px; display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; padding-block: 96px 72px; }
.eyebrow { font: 700 11px/1.2 var(--mono); letter-spacing: .15em; color: var(--acid); margin: 0 0 18px; }
.signal-dot { width: 7px; height: 7px; background: var(--acid); border-radius: 50%; display: inline-block; margin-right: 9px; box-shadow: 0 0 0 5px rgba(201,255,99,.1); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; font-size: clamp(58px, 7.8vw, 116px); line-height: .9; letter-spacing: -.068em; margin-bottom: 28px; font-weight: 640; }
h1 em { color: var(--acid); font-style: normal; }
.hero-lede { color: #bbc4be; max-width: 650px; font-size: clamp(18px, 2vw, 24px); line-height: 1.45; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.button {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 46px;
  padding: 0 19px;
  color: var(--paper);
  background: var(--panel-2);
  font-weight: 720;
  font-size: 13px;
  letter-spacing: .015em;
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.button:hover { transform: translateY(-2px); border-color: #53625b; }
.button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid rgba(201,255,99,.4); outline-offset: 2px; }
.button.primary { background: var(--acid); color: var(--acid-ink); border-color: var(--acid); }
.button.ghost { background: transparent; }
.button.compact { min-height: 38px; padding-inline: 15px; }
.button.wide { width: 100%; }
.button:disabled { opacity: .45; cursor: wait; transform: none; }

.signal-panel { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(16,23,21,.88); box-shadow: 0 36px 100px rgba(0,0,0,.34); overflow: hidden; }
.signal-panel-head, .protocol-line { padding: 16px 18px; display: flex; justify-content: space-between; align-items: center; font: 700 10px/1 var(--mono); letter-spacing: .1em; }
.signal-panel-head { border-bottom: 1px solid var(--line); }
.protocol-line { border-top: 1px solid var(--line); color: var(--muted); gap: 10px; }
.status-chip { border-radius: 99px; padding: 6px 9px; }
.status-chip.pending { color: var(--amber); background: rgba(255,201,92,.1); }
.status-chip.live, .status-chip.ready { color: var(--acid); background: rgba(201,255,99,.1); }
.status-chip.error, .status-chip.denied { color: var(--coral); background: rgba(255,125,102,.1); }
.status-chip.unsupported { color: var(--amber); background: rgba(255,201,92,.1); }
.signal-grid { display: grid; grid-template-columns: 1fr 1fr; }
.signal-grid article { padding: 28px 22px; min-height: 148px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.signal-grid article:nth-child(2n) { border-right: 0; }
.signal-grid article:nth-child(n+3) { border-bottom: 0; }
.metric-label { color: var(--muted); font: 700 10px var(--mono); letter-spacing: .1em; }
.signal-grid strong { font-size: 34px; line-height: 1; margin: auto 0 9px; }
.signal-grid small { color: var(--muted); }

.context-band { border-block: 1px solid var(--line); background: var(--panel); }
.context-inner { min-height: 100px; display: grid; grid-template-columns: 1fr minmax(170px, .38fr) minmax(210px, .48fr) auto; gap: 18px; align-items: center; }
.context-inner > div { display: flex; gap: 14px; align-items: center; }
.context-inner > div div { display: flex; flex-direction: column; }
.context-inner small { color: var(--muted); }
label { display: grid; gap: 7px; color: #b7c1ba; font-size: 12px; font-weight: 650; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0b1210;
  color: var(--paper);
  padding: 11px 12px;
}
textarea { resize: vertical; font-family: var(--mono); font-size: 12px; line-height: 1.55; }
select { cursor: pointer; }

.layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 56px; padding-block: 72px 120px; }
.rail { position: sticky; top: 106px; height: fit-content; }
.rail nav { display: grid; gap: 4px; }
.rail nav a { color: var(--muted); text-decoration: none; padding: 10px 8px; border-radius: 8px; font-size: 13px; }
.rail nav a:hover { background: var(--panel); color: var(--paper); }
.rail nav span { color: var(--acid); font: 700 10px var(--mono); margin-right: 10px; }
.rail-note { margin-top: 32px; border-top: 1px solid var(--line); padding: 22px 8px 0; font-size: 12px; }
.rail-note p { color: var(--muted); margin-top: 7px; }
.workspace { min-width: 0; }
.console-section { scroll-margin-top: 96px; padding-bottom: 88px; margin-bottom: 88px; border-bottom: 1px solid var(--line); }
.console-section:last-child { border-bottom: 0; margin-bottom: 0; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(240px, .58fr); gap: 48px; align-items: end; margin-bottom: 32px; }
.section-heading > div { position: relative; }
.section-heading .eyebrow { margin-left: 44px; margin-bottom: 8px; }
.section-heading h2 { font-size: clamp(38px, 5vw, 70px); line-height: .95; letter-spacing: -.055em; margin-bottom: 0; }
.section-heading > p { color: var(--muted); margin-bottom: 4px; }
.section-index { color: var(--acid); font: 700 11px var(--mono); letter-spacing: .08em; }
.section-heading .section-index { position: absolute; top: 1px; left: 0; }

.card-list { display: grid; gap: 12px; }
.evidence-banner { border: 1px solid rgba(102,217,208,.3); background: rgba(102,217,208,.055); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 14px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.evidence-banner > div { display: flex; flex-direction: column; }
.evidence-banner span:not(.status-chip) { color: var(--muted); font: 11px var(--mono); margin-top: 4px; }
.estate-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.estate-card { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); padding: 22px; min-width: 0; }
.estate-card-head { display: flex; justify-content: space-between; gap: 18px; align-items: start; }
.estate-card h3 { font-size: 25px; margin: 7px 0 0; }
.estate-card > p { color: var(--muted); min-height: 48px; }
.estate-facts { border-top: 1px solid var(--line); margin: 18px 0 0; }
.estate-facts > div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.estate-facts dt { color: var(--muted); font: 700 9px var(--mono); letter-spacing: .08em; }
.estate-facts dd { margin: 0; color: #c8d0cb; font: 11px/1.45 var(--mono); white-space: pre-line; overflow-wrap: anywhere; }
.loading-card, .empty-card { border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); padding: 28px; text-align: center; }
.data-card { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); overflow: hidden; }
.data-card-main { padding: 22px; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 24px; align-items: start; }
.data-card h3 { font-size: 21px; margin-bottom: 7px; word-break: break-word; }
.data-card p { color: var(--muted); margin-bottom: 0; }
.data-card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.tag { border: 1px solid var(--line); border-radius: 99px; color: #bbc5bf; font: 650 10px var(--mono); padding: 5px 8px; }
.tag.good { border-color: rgba(201,255,99,.34); color: var(--acid); }
.tag.warn { border-color: rgba(255,201,92,.4); color: var(--amber); }
.digest { color: var(--muted); font: 10px/1.45 var(--mono); max-width: 230px; overflow-wrap: anywhere; text-align: right; }
.data-card details { border-top: 1px solid var(--line); padding: 13px 22px; }
summary { color: var(--muted); cursor: pointer; font-size: 12px; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; color: #c7d0ca; font-size: 11px; line-height: 1.55; }

.action-strip { border: 1px solid rgba(201,255,99,.28); background: linear-gradient(105deg, rgba(201,255,99,.1), rgba(201,255,99,.025)); border-radius: var(--radius); padding: 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.action-strip div { display: flex; flex-direction: column; }
.action-strip span { color: var(--muted); font-size: 13px; margin-top: 4px; }
.advanced-panel { margin-top: 18px; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; background: var(--panel); }
.advanced-panel > p { color: var(--muted); margin-top: 16px; }
.advanced-panel textarea { margin: 8px 0 12px; }

.planner-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 14px; }
.planner-form, .result-panel { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); padding: 24px; }
.planner-form { display: grid; gap: 18px; align-content: start; }
.result-panel { min-height: 330px; position: relative; overflow: hidden; }
.result-panel::after { content: ""; position: absolute; width: 180px; height: 180px; border: 1px solid var(--line); border-radius: 50%; right: -75px; bottom: -75px; }
.result-panel.empty { color: var(--muted); display: flex; flex-direction: column; justify-content: center; }
.result-panel > strong { color: var(--paper); font-size: 25px; margin: 10px 0; }
.result-kicker { font: 700 10px var(--mono); letter-spacing: .12em; color: var(--acid); }
.result-panel.denied .result-kicker { color: var(--coral); }
.result-panel.unsupported .result-kicker { color: var(--amber); }
.reason-list { display: grid; gap: 8px; margin: 18px 0; }
.reason { padding: 12px; border-left: 3px solid var(--coral); background: rgba(255,255,255,.025); }
.reason strong { display: block; font: 700 11px var(--mono); margin-bottom: 4px; }
.reason span { color: var(--muted); font-size: 12px; }

.protocol-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.protocol-card { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); padding: 24px; }
.protocol-card > div:first-child { display: flex; justify-content: space-between; align-items: center; }
.protocol-card h3 { font-size: 25px; margin: 30px 0 8px; }
.protocol-card p, .protocol-card small { color: var(--muted); }
.protocol-card .button { margin-top: 15px; }
.protocol-badge { background: var(--acid); color: var(--acid-ink); border-radius: 7px; padding: 7px 9px; font: 800 11px var(--mono); }
.protocol-badge.coral { background: var(--coral); color: #2b0904; }
.protocol-badge.cyan { background: var(--cyan); color: #062421; }
.model-probe-card { grid-column: 1 / -1; }
.probe-output { margin: 18px 0 0; min-height: 120px; max-height: 280px; overflow: auto; border-top: 1px solid var(--line); padding-top: 15px; color: var(--cyan); }
.protocol-card label { margin-top: 19px; }

.footer { min-height: 84px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; color: var(--muted); font: 10px var(--mono); letter-spacing: .08em; }
.toast { position: fixed; right: 22px; bottom: 22px; max-width: min(420px, calc(100% - 44px)); background: var(--paper); color: #17201c; border-radius: 12px; padding: 13px 16px; font-size: 13px; font-weight: 700; box-shadow: 0 18px 55px rgba(0,0,0,.4); transform: translateY(150%); transition: transform .2s ease; z-index: 30; }
.toast.show { transform: translateY(0); }
.toast.error { background: var(--coral); color: #2b0904; }

@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; gap: 44px; padding-top: 72px; }
  .context-inner { grid-template-columns: 1fr 1fr; padding-block: 20px; }
  .layout { grid-template-columns: 1fr; }
  .rail { position: static; }
  .rail nav { grid-template-columns: repeat(5, 1fr); }
  .rail nav a { text-align: center; }
  .rail nav span { display: block; margin: 0 0 4px; }
  .rail-note { display: none; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 1400px); }
  .topbar { height: 66px; padding-inline: 14px; }
  .topbar .mono { display: none; }
  .hero { min-height: auto; padding-block: 58px; }
  h1 { font-size: 58px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid article { border-right: 0; border-bottom: 1px solid var(--line) !important; min-height: 118px; }
  .signal-grid article:last-child { border-bottom: 0 !important; }
  .context-inner, .section-heading, .planner-grid, .protocol-cards, .estate-grid { grid-template-columns: 1fr; }
  .context-inner { gap: 13px; }
  .layout { padding-top: 46px; }
  .rail { overflow-x: auto; }
  .rail nav { min-width: 500px; }
  .section-heading { gap: 18px; }
  .console-section { padding-bottom: 62px; margin-bottom: 62px; }
  .action-strip, .data-card-main { align-items: stretch; flex-direction: column; display: flex; }
  .evidence-banner, .estate-card-head { align-items: flex-start; flex-direction: column; }
  .digest { text-align: left; max-width: none; }
  .footer { flex-direction: column; justify-content: center; gap: 7px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}