/* ============================================================
   YouTubeToText — Transcript API portal
   Plain CSS, no build step. Dark developer aesthetic.
   ============================================================ */

:root {
  color-scheme: dark;
  --bg: #0b0e14;
  --bg-header: rgba(11, 14, 20, 0.88);
  --surface: #151b28;
  --surface-2: #10141d;
  --code-bg: #0c0f16;
  --border: #232c3e;
  --border-soft: #1a2130;
  --text: #dfe6f1;
  --text-dim: #9aa6ba;
  --text-faint: #6d7789;
  --brand: #ff5c52;
  --brand-soft: rgba(255, 92, 82, 0.12);
  --link: #7fb3ff;
  --green: #46d392;
  --amber: #e9b850;
  --red: #ff7369;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  background-image: radial-gradient(1100px 420px at 50% -180px, rgba(255, 92, 82, 0.055), transparent 70%);
  background-repeat: no-repeat;
  color: var(--text);
  font: 16px/1.65 var(--sans);
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
  border-radius: 4px;
}

code {
  font-family: var(--mono);
  font-size: 0.86em;
}

p code, li code, td code, h1 code {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--text);
  white-space: nowrap;
}

h1 code { font-size: 0.8em; padding: 2px 12px; border-radius: 9px; }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- Header ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-header);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 60px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 650;
  font-size: 16px;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }

.brand-mark { display: block; border-radius: 7px; flex: none; }

.brand-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 9px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a {
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  padding: 4px 0;
}
.nav a:hover { color: var(--text); text-decoration: none; }
.nav a.active { color: var(--text); }
.nav a.active { box-shadow: inset 0 -2px 0 var(--brand); }

/* ---------------- Typography / sections ---------------- */

h1 {
  font-size: 44px;
  line-height: 1.12;
  letter-spacing: -0.022em;
  font-weight: 700;
  margin: 0 0 18px;
}

h2 {
  font-size: 26px;
  letter-spacing: -0.015em;
  font-weight: 650;
  margin: 0 0 8px;
}

h3 {
  font-size: 18px;
  letter-spacing: -0.01em;
  font-weight: 650;
  margin: 0 0 6px;
}

.section { margin-top: 84px; }
.section:first-of-type { margin-top: 0; }

.kicker {
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
  margin: 0 0 10px;
}

.section-sub {
  color: var(--text-dim);
  font-size: 16px;
  margin: 0 0 28px;
  max-width: 660px;
}

.page-head { padding: 64px 0 8px; max-width: 720px; }
.page-head p { color: var(--text-dim); font-size: 17px; margin: 0; }

/* ---------------- Hero (index) ---------------- */

.hero {
  padding: 76px 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 56px;
  align-items: center;
}

.hero p.lede {
  color: var(--text-dim);
  font-size: 18px;
  max-width: 460px;
  margin: 0 0 28px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.hero-meta {
  display: flex;
  gap: 10px 22px;
  flex-wrap: wrap;
  margin-top: 30px;
  font-size: 13.5px;
  color: var(--text-faint);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta .tick { color: var(--green); font-weight: 700; }

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-block;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.btn:hover { text-decoration: none; border-color: #35415a; }

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
.btn-primary:hover { background: #ff6f66; border-color: #ff6f66; }

/* ---------------- Badges ---------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.badge.live { color: var(--green); border-color: rgba(70, 211, 146, 0.35); background: rgba(70, 211, 146, 0.07); }
.badge.soon { color: var(--amber); border-color: rgba(233, 184, 80, 0.35); background: rgba(233, 184, 80, 0.07); }
.badge.down { color: var(--red); border-color: rgba(255, 115, 105, 0.35); background: rgba(255, 115, 105, 0.07); }
.badge.plain::before { display: none; }

.method {
  font: 650 12.5px var(--mono);
  letter-spacing: 0.05em;
  color: var(--green);
  border: 1px solid rgba(70, 211, 146, 0.4);
  background: rgba(70, 211, 146, 0.08);
  padding: 2px 9px;
  border-radius: 6px;
}

/* ---------------- Code blocks ---------------- */

.codeblock {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 16px 0;
}

.cb-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 8px 16px;
  background: rgba(255, 255, 255, 0.022);
  border-bottom: 1px solid var(--border-soft);
  font: 500 12px var(--mono);
  color: var(--text-faint);
  letter-spacing: 0.03em;
}

.cb-dots { display: inline-flex; gap: 6px; margin-right: 10px; }
.cb-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2c3446;
  display: inline-block;
}

.cb-title { display: inline-flex; align-items: center; }

.codeblock pre {
  margin: 0;
  padding: 15px 18px;
  overflow-x: auto;
  font: 13px/1.7 var(--mono);
  color: #cdd6e4;
  scrollbar-width: thin;
  scrollbar-color: #2c3446 transparent;
}

.codeblock pre::-webkit-scrollbar { height: 8px; }
.codeblock pre::-webkit-scrollbar-track { background: transparent; }
.codeblock pre::-webkit-scrollbar-thumb {
  background: #2c3446;
  border-radius: 4px;
}
.codeblock pre::-webkit-scrollbar-thumb:hover { background: #3a4560; }

/* wrapping variant — for long single commands (hero) */
.codeblock pre.wrap {
  white-space: pre-wrap;
  word-break: break-all;
  overflow-x: hidden;
}

.copy-btn {
  font: 600 12px var(--sans);
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  flex: none;
}
.copy-btn:hover { color: var(--text); border-color: #35415a; }
.copy-btn.copied { color: var(--green); border-color: rgba(70, 211, 146, 0.45); }

/* syntax tokens (hand-authored) */
.tok-c { color: #5b6579; font-style: italic; }
.tok-s { color: #9ece8c; }
.tok-k { color: #c792ea; }
.tok-n { color: #e0af68; }
.tok-key { color: #82aaff; }
.tok-p { color: #6d7789; }
.tok-cmd { color: #7fb3ff; }

/* ---------------- Tables ---------------- */

.table-scroll { overflow-x: auto; margin: 16px 0; border: 1px solid var(--border); border-radius: var(--radius); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--surface-2);
  min-width: 560px;
}

th {
  text-align: left;
  color: var(--text-faint);
  font-weight: 650;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.018);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
  vertical-align: top;
  line-height: 1.55;
}
tr:last-child td { border-bottom: none; }
td:first-child { white-space: nowrap; }

/* ---------------- Endpoint cards ---------------- */

.endpoint {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
  margin-top: 26px;
  overflow: hidden;
}

.endpoint-head {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.016);
}

.endpoint-path { font: 500 14.5px var(--mono); color: var(--text); word-break: break-all; }
.endpoint-path .path-var { color: var(--amber); }
.endpoint-desc { color: var(--text-faint); font-size: 13.5px; margin-left: auto; }

.endpoint-body { padding: 6px 20px 20px; }
.endpoint-body > p { color: var(--text-dim); font-size: 14.5px; }

.field-title {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  font-weight: 650;
  margin: 24px 0 4px;
}

/* ---------------- Callouts ---------------- */

.callout {
  display: flex;
  gap: 12px;
  border: 1px solid rgba(127, 179, 255, 0.28);
  background: rgba(127, 179, 255, 0.055);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 14px;
  color: var(--text-dim);
  margin: 18px 0;
  line-height: 1.6;
}
.callout strong { color: var(--text); }
.callout.warn { border-color: rgba(233, 184, 80, 0.3); background: rgba(233, 184, 80, 0.05); }
.callout-icon { flex: none; font-size: 15px; line-height: 1.5; }

/* ---------------- Tabs ---------------- */

.tabs { margin-top: 8px; }

.tab-list {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font: 500 14px var(--sans);
  padding: 9px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); border-bottom-color: var(--brand); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------------- Cards / pricing ---------------- */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: stretch;
}

.card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-2);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.card .card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.price {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 10px 0 2px;
}
.price small { font-size: 14px; font-weight: 500; color: var(--text-faint); letter-spacing: 0; }

.card ul {
  list-style: none;
  padding: 0;
  margin: 18px 0 22px;
  flex: 1;
}
.card ul li {
  padding: 6px 0 6px 26px;
  position: relative;
  color: var(--text-dim);
  font-size: 14.5px;
}
.card ul li::before {
  content: "✓";
  position: absolute;
  left: 2px;
  color: var(--green);
  font-weight: 700;
}
.card ul li.pending::before { content: "→"; color: var(--amber); }

.card .fineprint { color: var(--text-faint); font-size: 12.5px; margin: 12px 0 0; }

/* ---------------- Layer diagram (how it works) ---------------- */

.layers { margin-top: 36px; }

.layer {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 20px;
  position: relative;
  padding-bottom: 34px;
}
.layer:last-child { padding-bottom: 0; }

.layer:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 52px;
  bottom: 4px;
  width: 2px;
  background: var(--border);
}
.layer:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 21px;
  bottom: 2px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
  transform: rotate(45deg);
}

.layer-num {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font: 650 18px var(--mono);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--brand);
  position: relative;
  z-index: 1;
}

.layer-card {
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 12px;
  padding: 20px 22px;
}

.layer-title {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.layer-title h3 { margin: 0; }

.layer-card p { margin: 6px 0 0; color: var(--text-dim); font-size: 14.5px; }
.layer-card p code { font-size: 12.5px; }

/* ---------------- Status page ---------------- */

.status-hero {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-2);
  padding: 34px;
  margin-top: 40px;
}

.status-main { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

.status-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-faint);
  box-shadow: 0 0 0 7px rgba(109, 119, 137, 0.12);
  flex: none;
}
.status-dot.checking { animation: pulse 1.2s ease-in-out infinite; }
.status-dot.up { background: var(--green); box-shadow: 0 0 0 7px rgba(70, 211, 146, 0.14); }
.status-dot.down { background: var(--red); box-shadow: 0 0 0 7px rgba(255, 115, 105, 0.14); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.status-title { font-size: 24px; font-weight: 650; letter-spacing: -0.01em; margin: 0; }

.status-metrics {
  display: flex;
  gap: 14px 44px;
  flex-wrap: wrap;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--border-soft);
}
.status-metrics .metric-label {
  display: block;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  font-weight: 650;
  margin-bottom: 2px;
}
.status-metrics .metric-value { font: 500 16px var(--mono); color: var(--text); }

/* ---------------- FAQ / details ---------------- */

details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  padding: 0 20px;
  margin-top: 12px;
}

summary {
  cursor: pointer;
  padding: 15px 26px 15px 0;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  position: relative;
  color: var(--text);
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  font-size: 18px;
  font-weight: 500;
}
details[open] summary::after { content: "–"; }
details[open] { padding-bottom: 6px; }
details p { margin: 0 0 14px; color: var(--text-dim); font-size: 14.5px; }

/* ---------------- Prose pages (terms / privacy / security) ---------------- */

.prose { max-width: 720px; padding-bottom: 8px; }
.prose h2 { font-size: 20px; margin: 44px 0 10px; }
.prose p, .prose li { color: var(--text-dim); font-size: 15px; }
.prose ul { padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose strong { color: var(--text); font-weight: 600; }
.updated { color: var(--text-faint); font-size: 13.5px; margin-top: 6px; }

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--border-soft);
  margin-top: 110px;
  padding: 40px 0 52px;
  font-size: 14px;
  color: var(--text-faint);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-brand { color: var(--text); font-weight: 650; }
.footer-brand span { color: var(--text-faint); font-weight: 500; }
.footer-note { margin: 6px 0 0; max-width: 320px; }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: flex-start;
}
.footer-links a { color: var(--text-dim); }
.footer-links a:hover { color: var(--text); text-decoration: none; }

.footer-legal {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-soft);
  font-size: 13px;
}
.footer-legal a { color: var(--text-dim); }

/* ---------------- Responsive ---------------- */

@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 36px; padding-top: 56px; }
  h1 { font-size: 36px; }
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .endpoint-desc { margin-left: 0; width: 100%; }
}

@media (max-width: 640px) {
  h1 { font-size: 30px; }
  h2 { font-size: 22px; }
  /* long inline code (URLs, regexes) must wrap on narrow screens,
     or it inflates the page width past the viewport */
  p code, li code, td code {
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-all;
  }
  td:first-child { white-space: normal; }
  .callout { overflow-wrap: anywhere; }
  .endpoint-path { overflow-wrap: anywhere; }
  .brand-tag { display: none; }
  .nav { gap: 18px; }
  .nav a { font-size: 13.5px; }
  .header-inner { gap: 10px 16px; }
  .section { margin-top: 64px; }
  .hero { padding-top: 44px; }
  .hero p.lede { font-size: 16.5px; }
  .codeblock pre { font-size: 12.5px; padding: 13px 14px; }
  .status-hero { padding: 24px; }
  .status-title { font-size: 20px; }
  .card { padding: 22px; }
  .layer { grid-template-columns: 40px minmax(0, 1fr); gap: 14px; }
  .layer-num { width: 40px; height: 40px; border-radius: 11px; font-size: 15px; }
  .layer:not(:last-child)::before { left: 19px; top: 44px; }
  .layer:not(:last-child)::after { left: 15px; }
  .page-head { padding-top: 44px; }
}