/* index.html: the front page as one question box (2026-10-19). Tokens only,
   so dark mode follows the theme; no shadows, corners at most 3px. */

.fp-body { margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--obs-surface); color: var(--obs-text); font-variant-numeric: tabular-nums; }
.fp-header { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 0 24px; min-height: 64px; }
.fp-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800;
  letter-spacing: -0.01em; color: var(--obs-ink); text-decoration: none; }
.fp-account a { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; font-weight: 500;
  color: var(--obs-primary); text-decoration: none; }
.fp-account a:hover { text-decoration: underline; text-underline-offset: 3px; }

.fp-main { flex: 1 0 auto; width: 100%; max-width: 720px; box-sizing: border-box; margin: 0 auto;
  padding: 72px 16px 56px; }
.fp-title { margin: 0 0 16px; font-size: 44px; line-height: 1.1; font-weight: 800; letter-spacing: -0.025em; color: var(--obs-ink); }
.fp-sub { margin: 0 0 28px; font-size: 18px; line-height: 1.5; color: var(--obs-text-muted); }
.fp-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.fp-box { display: flex; gap: 8px; align-items: center; padding: 6px 6px 6px 18px; background: var(--obs-surface);
  border: 1px solid var(--obs-text-faint); border-radius: 3px; }
.fp-box:focus-within { border-color: var(--obs-primary); box-shadow: 0 0 0 2px var(--obs-focus-soft); }
.fp-box input { flex: 1 1 auto; min-width: 0; height: 52px; border: 0; outline: none; background: transparent;
  font: inherit; font-size: 19px; color: var(--obs-ink); }
/* the site-wide input style draws its own border and focus ring: the box draws them here */
.fp-box input, .fp-box input:focus { border: 0; border-radius: 0; box-shadow: none; padding: 0; width: auto; }
.fp-box input::placeholder { color: var(--obs-text-muted); }
.fp-go { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px;
  border: 0; border-radius: 3px; background: var(--obs-primary); color: var(--obs-surface); cursor: pointer; }
.fp-go:hover { background: var(--obs-primary-dark); }
.fp-err { margin: 10px 0 0; font-size: 14px; color: var(--obs-trust-stale); }

/* the preview of an answer */
.fp-preview { margin: 20px 0 0; }
.fp-wait { margin: 0; font-size: 15px; color: var(--obs-text-muted); }
.fp-err-box { margin: 0; font-size: 15px; color: var(--obs-trust-stale); }
.fp-card { border: 1px solid var(--obs-border); border-radius: 3px; padding: 20px 22px; background: var(--obs-surface); }
.fp-read { margin: 0 0 8px; font-size: 13px; color: var(--obs-text-muted); }
.fp-head { margin: 0; font-size: 22px; line-height: 1.35; font-weight: 700; letter-spacing: -0.01em; color: var(--obs-ink); }
.fp-lead { margin: 10px 0 0; font-size: 16px; line-height: 1.55; color: var(--obs-text); }
.fp-figs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; margin: 16px 0 0; padding: 12px 0 0;
  border-top: 1px solid var(--obs-border); }
.fp-figs dt { font-size: 11.5px; font-weight: 600; color: var(--obs-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.fp-figs dd { margin: 4px 0 0; font-size: 20px; font-weight: 700; color: var(--obs-ink); }
.fp-figs dd small { display: block; margin-top: 2px; font-size: 12px; font-weight: 400; color: var(--obs-text-muted); }
.fp-src { margin: 12px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--obs-text-muted); }
.fp-more { margin: 18px 0 0; padding: 16px 0 0; border-top: 1px solid var(--obs-border); }
.fp-more-h { margin: 0 0 6px; font-size: 13px; font-weight: 700; color: var(--obs-ink); }
.fp-more ul { margin: 0 0 14px; padding-left: 20px; font-size: 14.5px; line-height: 1.6; color: var(--obs-text); }
.fp-more p { margin: 0; }
.fp-cta { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border-radius: 3px; font-size: 15px;
  font-weight: 600; text-decoration: none; color: var(--obs-surface); background: var(--obs-primary); }
.fp-cta:hover { background: var(--obs-primary-dark); }
.fp-small { margin: 8px 0 0 !important; font-size: 13px; color: var(--obs-text-muted); }
.fp-go:disabled { opacity: 0.6; cursor: default; }

.fp-examples { list-style: none; margin: 24px 0 0; padding: 0; border-top: 1px solid var(--obs-border); }
.fp-examples a { display: block; padding: 15px 4px; font-size: 17px; line-height: 1.4; color: var(--obs-ink);
  text-decoration: none; border-bottom: 1px solid var(--obs-border); }
.fp-examples a:hover { color: var(--obs-primary); background: var(--obs-surface-subtle); }
.fp-note { margin: 18px 0 0; font-size: 14px; color: var(--obs-text-muted); }

.fp-footer { padding: 20px 16px 28px; border-top: 1px solid var(--obs-border); }
.fp-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 28px; }
.fp-footer a { font-size: 14px; color: var(--obs-text-muted); text-decoration: none; padding: 6px 0; }
.fp-footer a:hover { color: var(--obs-primary); }

@media (max-width: 640px) {
  .fp-header { padding: 0 16px; }
  .fp-main { padding: 36px 16px 40px; }
  .fp-title { font-size: 32px; }
  .fp-sub { font-size: 16px; }
  .fp-box input { font-size: 17px; height: 48px; }
  .fp-go { width: 48px; height: 48px; }
  .fp-examples a { font-size: 16px; }
  .fp-card { padding: 16px; }
  .fp-head { font-size: 19px; }
  .fp-cta { width: 100%; justify-content: center; text-align: center; box-sizing: border-box; }
}
/* the Try Again button on a miss (us-stocks.js renderMiss): the call-to-action look, on a <button> */
.fp-retry { border: 0; cursor: pointer; font-family: inherit; }