:root {
  --bg: #f6f3fb;
  --card: #ffffff;
  --text: #1c1530;
  --muted: #6b6380;
  --line: #e7e1f2;
  --primary: #7e4fc6;
  --primary-soft: #efe7fb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #120e1a;
    --card: #1d1728;
    --text: #f3effa;
    --muted: #a59cb8;
    --line: #2d2540;
    --primary: #a47be6;
    --primary-soft: #2a2140;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main {
  max-width: 440px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 32px 16px;
  text-align: center;
}
.logo {
  width: 96px;
  height: 96px;
  border-radius: 28px;
  background: linear-gradient(145deg, #9a6be0, #7e4fc6);
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 35%, transparent);
}
h1 { margin: 4px 0 0; font-size: clamp(34px, 10vw, 44px); font-weight: 800; letter-spacing: -1px; }
.sub { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.4; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 56px;
  margin-top: 8px;
  padding: 16px 24px;
  border-radius: 16px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--primary) 35%, transparent);
  transition: transform 0.12s ease, opacity 0.2s ease;
}
.btn:active { transform: scale(0.98); }
/* Sin APK publicado el botón queda apagado. */
.btn[aria-disabled='true'] { opacity: 0.35; pointer-events: none; box-shadow: none; }
.meta { margin: 0; color: var(--muted); font-size: 14px; }
.card {
  width: 100%;
  margin-top: 8px;
  padding: 20px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  text-align: left;
}
.card h2 { margin: 0 0 12px; font-size: 17px; }
.card ol { margin: 0; padding-left: 20px; display: grid; gap: 8px; line-height: 1.45; }
.note { margin: 14px 0 0; padding: 12px; border-radius: 12px; background: var(--primary-soft); font-size: 14px; line-height: 1.4; }
.foot { margin: 8px 0 0; color: var(--muted); font-size: 13px; }