:root {
  color-scheme: light dark;
  --bg: #f6f7f8;
  --panel: #ffffff;
  --text: #111214;
  --muted: #666b73;
  --border: #dedfe2;
  --accent: #111214;
  --accent-text: #ffffff;
  --soft: #eceef0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
}
button, input, select { font: inherit; }
.shell {
  width: min(100% - 32px, 720px);
  margin: 0 auto;
  padding: 54px 0 28px;
}
.hero { margin-bottom: 32px; }
.eyebrow {
  margin: 0 0 10px;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
h1 {
  margin: 0;
  font-size: clamp(2.3rem, 9vw, 4.8rem);
  line-height: .98;
  letter-spacing: -.055em;
  max-width: 650px;
}
.intro {
  margin: 18px 0 0;
  max-width: 610px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1rem;
}
.picker {
  display: grid;
  gap: 9px;
  margin: 0 0 18px;
}
.picker label, .label {
  font-size: .77rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin: 0 0 5px;
}
input, select {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  color: var(--text);
  padding: 0 15px;
  font-size: 16px;
  outline: none;
}
input:focus, select:focus, button:focus-visible, a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--text) 26%, transparent);
  outline-offset: 2px;
}
select { cursor: pointer; }
.coverage {
  margin: 0 2px;
  color: var(--muted);
  font-size: .84rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 22px;
}
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}
.hello {
  margin: 4px 0 0;
  font-size: clamp(2.6rem, 14vw, 5.8rem);
  line-height: 1.02;
  letter-spacing: -.04em;
  overflow-wrap: anywhere;
}
.audio-button {
  flex: 0 0 auto;
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-text);
  padding: 0 17px;
  font-weight: 750;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.audio-button:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 12px;
  margin-top: 28px;
}
.detail {
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.detail p:last-child {
  margin: 0;
  line-height: 1.48;
  overflow-wrap: anywhere;
}
.audio-status {
  min-height: 1.3em;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: .88rem;
}
.wiki-link {
  margin-top: 13px;
  min-height: 52px;
  border-radius: 14px;
  background: var(--soft);
  color: var(--text);
  text-decoration: none;
  font-weight: 720;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}
.note {
  margin-top: 18px;
  padding: 18px 2px 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: .9rem;
}
.note strong { color: var(--text); }
.note p { margin: 5px 0 0; }
footer {
  padding: 28px 2px 0;
  color: var(--muted);
  font-size: .82rem;
}
@media (max-width: 520px) {
  .shell { width: min(100% - 24px, 720px); padding-top: 34px; }
  .hero { margin-bottom: 24px; }
  .card { padding: 18px; border-radius: 18px; }
  .card-top { display: grid; gap: 18px; }
  .audio-button { width: 100%; justify-content: center; }
  .detail-grid { grid-template-columns: 1fr; gap: 0; }
  .detail + .detail { margin-top: 14px; }
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1012;
    --panel: #17181b;
    --text: #f5f5f5;
    --muted: #aaaeb5;
    --border: #303238;
    --accent: #f5f5f5;
    --accent-text: #111214;
    --soft: #22242a;
  }
}