:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #16191d;
  --muted: #5b6470;
  --border: #dde1e6;
  --accent: #1d5fd1;
  --accent-text: #ffffff;
  --good-bg: #eaf6ee;
  --good-border: #8fcca2;
  --bad-bg: #fdeeee;
  --bad-border: #e3a0a0;
  --warn-bg: #fff6e0;
  --warn-border: #e7c56b;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --surface: #1a1e24;
    --text: #e8ebef;
    --muted: #9aa3ae;
    --border: #2d333b;
    --accent: #5b93ff;
    --accent-text: #0b0d10;
    --good-bg: #13261a;
    --good-border: #2f6b44;
    --bad-bg: #2b1515;
    --bad-border: #7a3434;
    --warn-bg: #2b2412;
    --warn-border: #7a6526;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 var(--sans);
}

.wrap { max-width: 44rem; margin: 0 auto; padding: 0 16px; }

.top { padding: 2.5rem 0 1.5rem; }
.brand { font-weight: 700; letter-spacing: 0.02em; color: var(--accent); }
h1 { margin: 0.25rem 0 0.5rem; font-size: 1.9rem; line-height: 1.2; }
h2 { margin: 0 0 0.75rem; font-size: 1.15rem; }
.lede { margin: 0; color: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin: 0 0 1rem;
}
.card.good { background: var(--good-bg); border-color: var(--good-border); }
.card.bad { background: var(--bad-bg); border-color: var(--bad-border); }
.card p:last-child { margin-bottom: 0; }

.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.step { counter-increment: step; position: relative; padding-left: 3.5rem; }
.step::before {
  content: counter(step);
  position: absolute;
  left: 1.1rem;
  top: 1.1rem;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 700;
  display: grid;
  place-items: center;
}
.step.disabled { opacity: 0.55; }

.howto { margin: 0 0 0.5rem; padding-left: 1.25rem; }
.hint { color: var(--muted); font-size: 0.9rem; }

.modes { border: 0; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.mode {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.mode:has(input:checked) { border-color: var(--accent); }
.mode input { margin-top: 0.3rem; }

.warn {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--warn-border);
  background: var(--warn-bg);
  border-radius: 8px;
}
.warn p { margin: 0 0 0.5rem; }
.check { display: flex; gap: 0.5rem; align-items: center; }

.btn {
  font: inherit;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}
.btn.primary { background: var(--accent); color: var(--accent-text); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:focus-visible, .mode:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }

progress { display: block; width: 100%; height: 0.75rem; margin-top: 1rem; accent-color: var(--accent); }

.status { margin: 0.75rem 0 0; color: var(--muted); }
.status.ok { color: inherit; }
.status.err { color: inherit; font-weight: 600; }
.status.err::before { content: "⚠ "; }
#release-status:first-child { margin-top: 0; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; margin: 0 0 0.75rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.verified { font-weight: 600; }
.verified::before { content: "✓ "; }
.notes { white-space: pre-line; margin: 0 0 0.75rem; }

details summary { cursor: pointer; color: var(--muted); }
.files { width: 100%; border-collapse: collapse; margin-top: 0.5rem; font-size: 0.8rem; }
.files th, .files td { text-align: left; padding: 0.3rem 0.4rem; border-top: 1px solid var(--border); vertical-align: top; }
.files td { font-family: var(--mono); overflow-wrap: anywhere; }
.files td:last-child { word-break: break-all; }

.log { margin: 1.5rem 0; }
.log pre {
  max-height: 18rem;
  overflow: auto;
  padding: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font: 0.75rem/1.45 var(--mono);
  white-space: pre-wrap;
  word-break: break-word;
}

.foot { padding-bottom: 2rem; color: var(--muted); font-size: 0.85rem; }
.foot a { color: var(--accent); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  .step { padding-left: 1.25rem; padding-top: 3.25rem; }
  .files th:nth-child(3), .files td:nth-child(3) { display: none; }
}