:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c2330;
  --muted: #5d6778;
  --border: #dde1e8;
  --accent: #2f5bd3;
  --accent-text: #ffffff;
  --danger: #c4312b;
  --ok: #1f7a46;
  --ok-bg: #e7f5ec;
  --warn: #8a5a00;
  --warn-bg: #fff4dc;
  --error-bg: #fdecea;
  --code-bg: #eef0f4;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151b;
    --card: #1b2029;
    --text: #e6e9ef;
    --muted: #9aa3b2;
    --border: #2e3542;
    --accent: #6b8cff;
    --accent-text: #0d1117;
    --danger: #ff6b62;
    --ok: #5fd08d;
    --ok-bg: #16301f;
    --warn: #f2bd55;
    --warn-bg: #33270d;
    --error-bg: #3a1a18;
    --code-bg: #262c37;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12151b;
  --card: #1b2029;
  --text: #e6e9ef;
  --muted: #9aa3b2;
  --border: #2e3542;
  --accent: #6b8cff;
  --accent-text: #0d1117;
  --danger: #ff6b62;
  --ok: #5fd08d;
  --ok-bg: #16301f;
  --warn: #f2bd55;
  --warn-bg: #33270d;
  --error-bg: #3a1a18;
  --code-bg: #262c37;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.top {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 16px max(16px, calc((100% - 960px) / 2));
  background: var(--card); border-bottom: 1px solid var(--border);
}
.top h1 { margin: 0; font-size: 20px; }
.top p { margin: 2px 0 0; }
.who { display: flex; gap: 12px; align-items: center; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px 20px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 8px; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.num {
  display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text); font-size: 13px;
}
.muted { color: var(--muted); }
.small { font-size: 13px; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.stack { display: grid; gap: 14px; }
label { display: grid; gap: 4px; font-size: 14px; }
label.inline { display: flex; gap: 8px; align-items: center; }
input, select, textarea {
  font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 9px; width: 100%;
}
input[type="checkbox"], input[type="radio"] { width: auto; }
input[type="file"] { padding: 5px; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin: 0; display: grid; gap: 8px; }
legend { font-weight: 600; padding: 0 4px; }
.sub { padding-left: 24px; display: grid; gap: 8px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
button {
  font: inherit; cursor: pointer; border: 1px solid var(--accent); background: var(--accent);
  color: var(--accent-text); border-radius: 6px; padding: 8px 16px;
}
button.ghost { background: transparent; color: var(--text); border-color: var(--border); }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button:disabled { opacity: .45; cursor: not-allowed; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; background: var(--error-bg); color: var(--danger); }
.flash.info { background: var(--ok-bg); color: var(--ok); }
.ok { color: var(--ok); }
.warn { color: var(--warn); background: var(--warn-bg); padding: 6px 10px; border-radius: 6px; margin: 0; }
.error { color: var(--danger); background: var(--error-bg); padding: 8px 12px; border-radius: 6px; }
.confirm { margin-top: 12px; padding: 12px 14px; border: 1px solid var(--danger); border-radius: 8px; background: var(--error-bg); }
.confirm p { margin: 0 0 8px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.checks li::before { content: "● "; }
.checks li.good::before { color: var(--ok); }
.checks li.bad::before { color: var(--danger); }
.steps { margin: 0; padding-left: 0; list-style: none; display: grid; gap: 6px; }
.steps li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 10px; border-radius: 6px; background: var(--bg); flex-wrap: wrap; }
.steps li.running { outline: 1px solid var(--accent); }
.steps li.done .state { color: var(--ok); }
.steps li.running .state { color: var(--accent); }
.banner { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }
.banner.good { background: var(--ok-bg); color: var(--ok); }
.banner.bad { background: var(--error-bg); color: var(--danger); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
details { margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
.files { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.files a { color: var(--accent); }
a.button { display: inline-block; text-decoration: none; }
@media (max-width: 600px) {
  .top { padding: 12px 16px; }
  .card { padding: 14px; }
}