/* Audion dark palette: slate surfaces, azure actions, cyan links, mint status. */
:root {
  color-scheme: dark;
  --paper: #13171f;
  --panel: #181c25;
  --raised: #1f2732;
  --field: #10151c;
  --ink: #c2c7d0;
  --head: #f0f1f3;
  --muted: #a9b0bd;
  --line: #2c3644;
  --control-line: #65758b;
  --accent: #01aaff;
  --accent-hover: #79c0ff;
  --accent-ink: #071623;
  --accent-bg: #132c3e;
  --accent-line: #1e5b85;
  --link: #5cc2d6;
  --success: #6bc799;
  --warning: #f0c878;
  --warning-bg: #2b2318;
  --warning-line: #7a6334;
  --error: #e0773a;
  --error-bg: #302219;
  --error-line: #96562e;
  --shadow: 0 12px 40px rgb(0 0 0 / 18%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { touch-action: manipulation; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--accent-ink); }
.shell { max-width: 1180px; margin: auto; padding: 0 40px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--head); font-size: 23px; font-weight: 750; letter-spacing: -.8px; line-height: 1; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--accent); color: var(--accent-ink); font-size: 36px; line-height: 1; padding-bottom: 4px; }
.brand-sub { display: block; color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: 1px; margin-top: 7px; }
nav { display: flex; align-items: center; gap: 26px; font-size: 13px; }
nav > a:not(.button):hover, footer a:hover { color: var(--accent-hover); }
.button, .secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 26px;
  min-height: 46px; padding: 12px 22px; border-radius: 7px;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}
.button:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
.secondary { background: var(--raised); color: var(--head); border-color: var(--control-line); }
.secondary:hover:not(:disabled) { background: var(--accent-bg); border-color: var(--accent); color: var(--accent-hover); }
.button:disabled, .secondary:disabled { background: var(--raised); border-color: var(--line); color: var(--muted); cursor: not-allowed; }
.small { min-height: 36px; padding: 8px 14px; font-size: 12px; gap: 14px; }
.eyebrow, .index { font-size: 10px; letter-spacing: 1.6px; font-weight: 650; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.index { color: var(--accent-hover); }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero { padding: 72px 0 54px; max-width: 850px; }
h1, h2, h3 { color: var(--head); }
h1 { font-size: 70px; font-weight: 550; line-height: 1.13; letter-spacing: -3.5px; margin: 24px 0; }
h1 span { color: var(--accent-hover); }
.lead { max-width: 610px; font-size: 18px; color: var(--muted); line-height: 1.8; margin: 24px 0 30px; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.status { font-size: 11px; color: var(--muted); display: inline-flex; align-items: center; gap: 7px; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--muted); flex-shrink: 0; }
.status.ready { color: var(--success); }
.status.ready::before { background: var(--success); }
.status.error { color: var(--error); }
.status.error::before { background: var(--error); }
.hero-meta { display: flex; gap: 26px; margin-top: 28px; font-size: 11px; color: var(--muted); }
.hero-meta strong { font-weight: 550; color: var(--head); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 30px 0; gap: 34px; }
h2 { font-size: 24px; line-height: 1.3; font-weight: 560; letter-spacing: -.6px; margin: 12px 0; }
h3 { font-size: 20px; line-height: 1.35; font-weight: 560; letter-spacing: -.4px; margin: 16px 0 10px; }
p { margin: 10px 0; }
.features p, .card p { font-size: 13px; color: var(--muted); }
.features article + article { padding-left: 30px; border-left: 1px solid var(--line); }
.connection { padding: 56px 0; scroll-margin-top: 24px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 24px; }
.section-heading h2 { font-size: 32px; margin: 10px 0 0; }
.tag { display: inline-block; padding: 6px 10px; background: var(--raised); border: 1px solid var(--line); border-radius: 5px; color: var(--muted); font-size: 11px; white-space: nowrap; }
.connection-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { min-width: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 9px; padding: 26px; }
.connection-grid .card { border-top: 2px solid var(--accent-line); box-shadow: var(--shadow); }
.text-link { display: inline-flex; gap: 18px; margin-top: 14px; color: var(--link); font-size: 12px; font-weight: 600; }
.text-link:hover { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 3px; }
code, pre, textarea { font-family: ui-monospace, "Cascadia Mono", "JetBrains Mono", Consolas, monospace; }
code { display: block; padding: 10px 12px; font-size: 11px; background: var(--field); border: 1px solid var(--line); border-radius: 5px; overflow-wrap: anywhere; margin: 18px 0 10px; }
.muted { font-size: 11px !important; color: var(--muted); }
.source-strip { border-top: 1px solid var(--line); padding: 25px 0 32px; }
.source-strip > span { font-size: 9px; letter-spacing: 1.6px; display: block; margin-bottom: 12px; color: var(--muted); }
.source-strip > div { font-size: 13px; font-weight: 550; }
.source-strip i { font-style: normal; padding: 0 12px; color: var(--control-line); }
.source-strip p { font-size: 11px; color: var(--muted); margin-top: 14px; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 23px 0; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.workspace { padding: 42px 0 12px; }
.workspace h1 { font-size: 40px; letter-spacing: -1.7px; margin: 12px 0 0; }
.auth-bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 24px; background: var(--accent-bg); border: 1px solid var(--accent-line); border-radius: 8px; margin-bottom: 22px; }
.auth-bar strong { font-size: 13px; color: var(--head); }
.auth-bar p { font-size: 11px; color: var(--muted); margin: 3px 0 0; }
.work-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.3fr); gap: 18px; align-items: start; }
.request-card h2, .result-card h2 { font-size: 22px; }
label { display: block; margin: 16px 0 7px; color: var(--head); font-size: 12px; font-weight: 600; }
select, textarea { width: 100%; border: 1px solid var(--control-line); border-radius: 5px; background: var(--field); color: var(--ink); padding: 11px 12px; font-size: 13px; }
select:hover, textarea:hover { border-color: var(--muted); }
textarea { font-size: 12px; line-height: 1.65; resize: vertical; min-height: 180px; }
.full { width: 100%; margin-top: 16px; }
.result-card { min-height: 440px; }
.result-heading { display: flex; justify-content: space-between; align-items: start; gap: 14px; }
.result-heading .tag { margin-top: 4px; }
.metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 20px; }
.metric { background: var(--field); border: 1px solid var(--line); border-radius: 6px; padding: 15px; }
.metric strong { font-size: 12px; display: block; color: var(--head); }
.metric .price { color: var(--head); font-size: 23px; line-height: 1.4; font-weight: 560; font-variant-numeric: tabular-nums; display: block; margin: 6px 0; }
.metric small { font-size: 11px; color: var(--muted); display: block; }
.result-sources { margin-top: 22px; font-size: 11px; }
.result-sources a { display: block; color: var(--link); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; margin-top: 8px; }
.result-sources a:hover { color: var(--accent-hover); }
.result-sources p { font-size: 11px !important; }
.warnings p, .notice { background: var(--warning-bg); border: 1px solid var(--warning-line); padding: 11px 13px; border-radius: 6px; font-size: 12px !important; color: var(--warning) !important; overflow-wrap: anywhere; }
.notice { margin: 12px 0 22px; }
.notice.error { color: var(--error) !important; background: var(--error-bg); border-color: var(--error-line); }
details { margin-top: 20px; border-top: 1px solid var(--line); padding-top: 15px; }
summary { cursor: pointer; color: var(--link); font-size: 12px; }
pre { font-size: 11px; line-height: 1.7; max-height: 460px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--field); color: var(--ink); padding: 13px; border: 1px solid var(--line); border-radius: 5px; }
.compact { padding: 32px 0 14px; }
.compact .section-heading h2 { font-size: 24px; }
.endpoint-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.endpoint-row code { margin: 0; flex: 1; min-width: 240px; }
.endpoint-row .text-link { margin: 0; }
a:focus-visible, button:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.consent-shell { max-width: 650px; margin: 8vh auto; padding: 0 24px; }
.consent-card { padding: 32px; }
.consent-card h1 { font-size: 28px; letter-spacing: -.9px; line-height: 1.3; margin: 20px 0; }
.consent-card p { font-size: 14px; overflow-wrap: anywhere; }
.consent-card strong { color: var(--head); }
.consent-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

@media (max-width: 800px) {
  .shell { padding: 0 24px; }
  .hero { padding: 50px 0 40px; }
  h1 { font-size: 54px; letter-spacing: -2.5px; }
  .hero-meta { flex-direction: column; gap: 6px; }
  .connection-grid { grid-template-columns: 1fr; }
  .features { gap: 20px; }
  .features article + article { padding-left: 20px; }
  .work-grid { grid-template-columns: 1fr; }
  .result-card { min-height: 300px; }
  .source-strip > div { line-height: 2; }
  .card { padding: 23px; }
}
@media (max-width: 520px) {
  .shell { padding: 0 18px; }
  header { padding: 22px 0; }
  .brand { font-size: 21px; }
  nav { gap: 14px; }
  nav > a:first-child { display: none; }
  h1 { font-size: 43px; letter-spacing: -2px; }
  .lead { font-size: 16px; }
  .eyebrow { font-size: 9px; letter-spacing: 1px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 12px; }
  .features { grid-template-columns: 1fr; gap: 24px; }
  .features article + article { border: 0; padding: 0; }
  .features h2 { font-size: 22px; }
  .connection { padding: 36px 0; }
  .section-heading .tag { display: none; }
  .workspace h1 { font-size: 32px; }
  .auth-bar { align-items: flex-start; padding: 17px; gap: 14px; }
  .metric-grid { grid-template-columns: 1fr; }
  .source-strip i { padding: 0 6px; }
  footer { font-size: 10px; }
  .consent-shell { margin: 32px auto; padding: 0 18px; }
  .consent-card h1 { font-size: 25px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .secondary { transition: none; }
}