:root {
  --bg: #0f1114;
  --fg: #ececec;
  --muted: #9aa0a6;
  --line: #2a2e33;
  --card: #181b1f;
  --accent: #6ea8fe;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
}
.wrap { max-width: 512px; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
button.primary {
  font: inherit;
  border-radius: 8px;
  cursor: pointer;
}
h1 { font-size: 1.15rem; font-weight: 600; line-height: 1.3; margin: 0 0 1rem; }
.appicon {
  display: block;
  width: 512px;
  height: auto;
  max-width: 100%;
  margin: 0 0 1.2rem;
  border-radius: 22.5%;
}
.store { display: block; width: fit-content; margin: 0 auto 1.6rem; }
.store img { display: block; height: 50px; width: auto; }
.lead { color: var(--muted); margin: 0 0 1.5rem; }
ul { padding-left: 1.15rem; }
.models { list-style: none; padding: 0; margin: 0 0 2rem; width: 100%; }
.models li {
  padding: 0.45rem calc((100% - 191px) / 2 - 20px) 0.45rem calc((100% - 191px) / 2 + 20px);
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.15rem;
}
label { display: block; font-size: 0.85rem; color: var(--muted); margin: 0.7rem 0 0.25rem; }
input, textarea {
  width: 100%;
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
}
textarea { min-height: 7rem; resize: vertical; }
button.primary {
  margin-top: 0.9rem;
  background: var(--fg);
  color: var(--bg);
  border: 0;
  padding: 0.55rem 1rem;
  font-weight: 600;
}
.ok { display: none; margin: 0.8rem 0 0; color: #8fd19e; }
.ok.show { display: block; }
.ok.fail { color: #f0a0a0; }
.hp { position: absolute; left: -9999px; }
footer { margin-top: 2.5rem; color: var(--muted); font-size: 0.9rem; text-align: center; }
footer a { color: var(--accent); }
.note { color: var(--muted); font-size: 0.9rem; }
[hidden] { display: none !important; }