:root {
  --bg: #0b1220;
  --card: #111a2e;
  --text: #e7edf8;
  --muted: #a8b3cc;
  --line: rgba(255, 255, 255, 0.10);
  --primary: #4da3ff;
  --good: #3ddc97;
  --bad: #ff6b6b;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(77,163,255,0.20), transparent 60%),
              radial-gradient(900px 600px at 80% 0%, rgba(61,220,151,0.12), transparent 60%),
              var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

a { color: inherit; text-decoration: none; }
h1 { font-size: 1.35rem; margin: 0.25rem 0 0.75rem; }
h2 { font-size: 1.05rem; margin: 0.75rem 0 0.5rem; }
p { margin: 0; }

.container { width: 100%; max-width: 720px; margin: 0 auto; padding: 14px; }
.topbar { position: sticky; top: 0; backdrop-filter: blur(10px); background: rgba(11, 18, 32, 0.70); border-bottom: 1px solid var(--line); }
.brand a { font-weight: 700; letter-spacing: 0.2px; }
.footer { padding: 10px 0 22px; }

.row { display: flex; align-items: center; gap: 10px; }
.space { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.tight { gap: 6px; }
.mt { margin-top: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 560px) { .grid2 { grid-template-columns: 1fr 1fr; } }

.card {
  border: 1px solid var(--line);
  background: rgba(17, 26, 46, 0.75);
  border-radius: 14px;
  padding: 14px;
}
.card.link { transition: transform 100ms ease, background 100ms ease; }
.card.link:active { transform: scale(0.99); background: rgba(17, 26, 46, 0.92); }

.hero { padding: 10px 2px 6px; }
.title { font-weight: 700; }
.subtle { color: var(--muted); font-size: 0.92rem; }
.mono { font-variant-numeric: tabular-nums; }
.chev { color: var(--muted); font-size: 1.4rem; line-height: 1; }

form { display: flex; flex-direction: column; gap: 12px; }

.label { color: var(--muted); font-size: 0.92rem; }
.input, select.input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  font-size: 1rem;
  outline: none;
}
.input:focus { border-color: rgba(77, 163, 255, 0.65); box-shadow: 0 0 0 4px rgba(77, 163, 255, 0.15); }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.18);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
}
.btn.primary { background: rgba(77, 163, 255, 0.22); border-color: rgba(77, 163, 255, 0.40); }
.btn.ghost { padding: 10px 12px; background: transparent; }
.btn:active { transform: scale(0.99); }

.flash {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  padding: 12px 14px;
  border-radius: 12px;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.12);
  font-size: 0.92rem;
}

.pill {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.12);
  font-weight: 700;
  display: inline-block;
}
.good { color: var(--good); }
.bad { color: var(--bad); }
.pill.good { border-color: rgba(61, 220, 151, 0.35); background: rgba(61, 220, 151, 0.10); }
.pill.bad { border-color: rgba(255, 107, 107, 0.35); background: rgba(255, 107, 107, 0.10); }

details > summary.summary {
  cursor: pointer;
  list-style: none;
  font-weight: 800;
}
details > summary.summary::-webkit-details-marker { display: none; }

.checklist { display: grid; grid-template-columns: 1fr; gap: 8px; }
.checkrow {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0,0,0,0.12);
}
.checkrow input { width: 18px; height: 18px; }

.empty { text-align: center; }