/* ──────────────────────────────────────────────────────────────────────────
   ternlight docs-search demo — dark editorial theme.
   ────────────────────────────────────────────────────────────────────────── */

:root {
  --bg:            #0c0c10;
  --bg-soft:       #131318;
  --surface:       #18181f;
  --surface-soft:  #1c1c24;
  --border:        #26262e;
  --border-soft:   #1e1e24;
  --border-faint:  #2a2a32;

  --ink:           #ececef;
  --ink-soft:      #b8b8bc;
  --ink-mute:      #74747a;
  --ink-faint:     #4a4a52;
  --ink-dim:       #38383e;

  --accent:        #ff6b3d;
  --accent-soft:   #ff8a5e;
  --accent-dim:    rgba(255, 107, 61, 0.12);
  --accent-bg:     rgba(255, 107, 61, 0.08);
  --accent-border: rgba(255, 107, 61, 0.28);

  --mono:          ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans:          -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
                   "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }

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

.muted { color: var(--ink-mute); }

/* ── App container ─────────────────────────────────────────────────────── */

.app {
  flex: 1;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 56px 32px 48px;
  display: flex;
  flex-direction: column;
  gap: 44px;
}

/* ── Page header (shared between indexing + search phases) ─────────────── */

/* Stacked hero — big brand wordmark, then a two-line tagline with terracotta
   highlights on the load-bearing words. A muted pitch line below it. */
.hero-title {
  font-size: clamp(56px, 7vw, 88px);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--ink);
  line-height: 0.98;
  margin-bottom: 22px;
}
.hero-tagline {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 18px;
}
.hero-tagline p {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.018em;
  line-height: 1.2;
}
.hero-tagline .accent {
  color: var(--accent);
  font-weight: 700;
}
.hero-pitch {
  font-size: 15.5px;
  font-weight: 400;
  color: var(--ink-mute);
  line-height: 1.5;
  max-width: 760px;
  margin-bottom: 34px;
}

/* Hero cards — Variant B: no label, 2 lines per card (headline + sub). */

.hero-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: 10px;
  padding: 18px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow:
    0 1px 2px  rgba(0, 0, 0, 0.18),
    0 4px 14px rgba(0, 0, 0, 0.10);
}
.hero-card-line {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}
.hero-card-em {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 700;
}
.hero-card-sub {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.4;
}

@media (max-width: 800px) {
  .hero-cards {
    grid-template-columns: 1fr;
  }
}

/* "EXAMPLE — React docs search" section between cards and interaction.
   Kicker (small mono caps) + Headline (medium-large sans) + Body text. */

.example-section {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--border-soft);
}
.example-kicker {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 8px;
}
.example-headline {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin-bottom: 10px;
}
.example-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  max-width: 800px;
}
.example-text em {
  font-style: normal;
  color: var(--ink);
  font-weight: 500;
}

/* ── Phase 1: Indexing ─────────────────────────────────────────────────── */

.indexing-phase {
  max-width: 720px;
  width: 100%;
  margin: 16px auto 0;
}

.indexing-status {
  font-size: 18px;
  color: var(--ink-soft);
  margin-bottom: 22px;
  text-align: center;
}

.progress {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 32px;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.08s linear;
}

.indexing-stats {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 28px;
}
.stat { text-align: center; }
.stat-value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.stat-throughput .stat-value {
  font-size: 30px;
  font-weight: 600;
  color: var(--accent);
}
.stat-unit {
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-mute);
}
.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 8px;
}

/* ── Phase 2: Search ─ two-column grid ───────────────────────────────── */

.search-phase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 48px;
}

.content { min-width: 0; }

/* Search input */

.search-row {
  position: relative;
  margin-bottom: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 18px 20px;
  gap: 14px;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.search-row:focus-within {
  border-color: var(--accent-border);
  background: var(--surface-soft);
}
.search-prefix {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--accent);
  font-weight: 600;
  user-select: none;
}
.query-input {
  flex: 1;
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 400;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ink);
  min-width: 0;
}
.query-input::placeholder { color: var(--ink-faint); }

.badge {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 11px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 5px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* ASK pills */

.try-queries {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 38px;
}
.try-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-right: 4px;
}
.try-q {
  font-family: var(--sans);
  font-size: 13.5px;
  padding: 7px 13px;
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--border-faint);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.12s ease;
}
.try-q:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-bg);
}

/* Result cards */

.results {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.result-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: 10px;
  box-shadow:
    0 1px 2px  rgba(0, 0, 0, 0.18),
    0 4px 14px rgba(0, 0, 0, 0.12);
  text-decoration: none !important;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.result-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-1px);
  box-shadow:
    0 2px 4px  rgba(0, 0, 0, 0.24),
    0 6px 22px rgba(0, 0, 0, 0.18);
}
.result-card:hover .card-title {
  color: var(--accent);
}

.card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.card-title {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  transition: color 0.12s ease;
}
.card-score {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-mute);
  white-space: nowrap;
  flex-shrink: 0;
}
.card-score-value {
  color: var(--accent);
  font-weight: 600;
  margin-left: 6px;
}

.card-snippet {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  overflow: hidden;
}

.empty-state {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-mute);
  font-size: 14.5px;
}

/* ── Info pane ─────────────────────────────────────────────────────────── */

.info-pane {
  position: sticky;
  top: 32px;
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-soft);
}
.info-block:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.info-block-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.info-block-value {
  font-family: var(--mono);
  font-size: 60px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.025em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.info-unit {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink-mute);
  margin-left: 6px;
}

.info-block-sub {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.55;
  margin-top: 4px;
}
.info-block-sub code {
  font-family: var(--mono);
  color: var(--ink-soft);
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
}

.info-list {
  display: grid;
  grid-template-columns: auto 1fr;
  row-gap: 11px;
  column-gap: 16px;
  margin-top: 4px;
}
.info-list dt {
  font-family: var(--sans);
  font-size: 14.5px;
  color: var(--ink-soft);
  white-space: nowrap;
}
.info-list dd {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--ink);
  text-align: right;
}

/* Copy embedding button */

.copy-btn {
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 12px;
  margin-top: 14px;
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--border-faint);
  border-radius: 5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  transition: all 0.15s ease;
}
.copy-btn:hover:not(:disabled) {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-bg);
}
.copy-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.copy-btn.copied {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-bg);
}
.copy-btn-icon {
  font-size: 13px;
  line-height: 1;
}

/* ── Footer ────────────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--border-soft);
  padding: 22px 32px;
  font-size: 12px;
  color: var(--ink-mute);
  text-align: center;
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .app {
    padding: 32px 20px;
    gap: 32px;
  }
  .search-phase {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .info-pane {
    position: static;
    order: 2;
  }
  .indexing-stats {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .hero-title { font-size: 30px; }
}