:root {
  --bg: #f7f6f3;
  --paper: #ffffff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e4e2dc;
  --accent: #0b5fff;
  --accent-soft: #e8f0ff;
  --ok: #0d7a3f;
  --ok-soft: #e6f6ec;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.04);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

.site-header,
main,
.site-footer {
  width: min(860px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  padding: 2rem 0 1rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 4vw, 2rem);
  line-height: 1.2;
  font-weight: 700;
}

.lede {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.as-of {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.notice {
  margin: 0 0 1rem;
  padding: 1rem 1.1rem;
  background: var(--accent-soft);
  border: 1px solid #c9dbff;
  border-radius: var(--radius);
  color: #123;
  font-size: 0.95rem;
}

.notice strong {
  display: inline;
}

.panel {
  margin: 0 0 1rem;
  padding: 1.15rem 1.2rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 650;
}

.panel-head h2 {
  margin: 0;
}

.summary,
.hint {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn-quiet {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-quiet:hover {
  background: #eeebe4;
}

.btn-quiet:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.question-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.question-card {
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fcfcfb;
}

.question-text {
  margin: 0 0 0.75rem;
  font-size: 0.98rem;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.choice {
  flex: 1 1 5.5rem;
  min-width: 5.5rem;
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.choice:hover {
  border-color: #c8c5bc;
}

.choice:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.choice[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: #0a3d9c;
}

.choice.no[aria-pressed="true"] {
  border-color: #bbb;
  background: #f0efeb;
  color: var(--ink);
}

.matches-list,
.all-list {
  display: grid;
  gap: 0.85rem;
}

.match-card,
.ref-card {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.match-card {
  background: var(--ok-soft);
  border-color: #b7e0c6;
}

.match-card h3,
.ref-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
}

.badge {
  display: inline-block;
  margin-bottom: 0.4rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: #fff;
  color: var(--ok);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.meta {
  margin: 0 0 0.25rem;
  font-size: 0.92rem;
}

.meta span {
  color: var(--muted);
}

.note {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.claim-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 650;
  font-size: 0.95rem;
}

.claim-link:hover {
  filter: brightness(0.95);
}

.claim-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.ref-card .claim-link {
  background: transparent;
  color: var(--accent);
  border: 1px solid #c9dbff;
  min-height: 2.25rem;
}

.how-to ol {
  margin: 0 0 0.75rem;
  padding-left: 1.2rem;
}

.how-to li {
  margin-bottom: 0.35rem;
}

.how-to p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  padding: 0.5rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 480px) {
  .site-header,
  main,
  .site-footer {
    width: calc(100% - 1.25rem);
  }

  .panel {
    padding: 1rem;
  }

  .choice {
    flex: 1 1 calc(50% - 0.25rem);
  }
}

@media (min-width: 900px) {
  .question-list { grid-template-columns: 1fr 1fr; }
}

/* Footer nav and legal/info pages (added Oct 25, 2026) */
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0 0 0.6rem;
  padding: 0;
  list-style: none;
}

.footer-nav a,
.prose a {
  color: var(--accent);
}

.footer-nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.site-footer p + p {
  margin-top: 0.25rem;
}

.prose h2 {
  margin-top: 1.25rem;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p,
.prose ul {
  margin: 0 0 0.85rem;
}

.prose ul {
  padding-left: 1.2rem;
}

.prose li {
  margin-bottom: 0.3rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--accent);
}

.placeholder {
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  background: #fff4d6;
  color: #6b4e00;
  font-size: 0.92em;
}

.faq h3 {
  margin: 1rem 0 0.3rem;
  font-size: 1rem;
}

.faq h2 + h3 {
  margin-top: 0.5rem;
}

/* v6 (Oct 28, 2026): answer-first summaries and case-page links */
.answer-first {
  border-color: #c9dbff;
}

.details-link {
  display: inline-block;
  margin-left: 0.75rem;
  font-size: 0.9rem;
  color: var(--accent);
}

.sponsored-label {
  display: inline-block;
  margin-bottom: 0.4rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: #fff4d6;
  color: #6b4e00;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* v7 (Oct 29, 2026): install banner (scripts/pwa.py) */
.install-banner {
  position: fixed;
  left: 50%;
  bottom: max(0.75rem, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 50;
  width: min(860px, calc(100% - 1.5rem));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding: 0.75rem 1rem;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
  font-size: 0.95rem;
}

.install-banner-text {
  margin: 0;
  flex: 1 1 16rem;
}

.install-banner-actions {
  display: flex;
  gap: 0.5rem;
}

.install-banner button {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}

.install-banner .install-banner-install {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.install-banner button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}