:root {
  --bg: #f7f7f5; --card: #fff; --ink: #1d1d1f; --muted: #6b6b70; --line: #e4e4e0;
  --accent: #2f5bea; --good: #1f7a4d; --warn: #b26b00; --bad: #b3261e; --attention: #2f5bea;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg);
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.5; }
main { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
h1 { font-size: 1.5rem; margin: 0 0 .25rem; } h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
a { color: var(--accent); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: .6rem 1rem; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; gap: .5rem; }
.topbar nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.who { color: var(--muted); font-size: .85rem; }
.banner { padding: .5rem 1rem; text-align: center; } .banner.warn { background: #fff3d6; color: var(--warn); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 1rem; }
.card.attention { border-left: 4px solid var(--attention); } .card.warn { border-left: 4px solid var(--warn); }
.narrow { max-width: 560px; margin-inline: auto; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; } .between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: .5rem; }
.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; } @media (max-width: 800px) { .grid { grid-template-columns: 1fr; } }
input[type=text], input[type=email], input[type=password], textarea, select { width: 100%; padding: .55rem .65rem; border: 1px solid var(--line); border-radius: 8px; font: inherit; }
label { font-weight: 600; font-size: .9rem; } label.radio { font-weight: 400; }
.btn { display: inline-block; padding: .5rem .9rem; border-radius: 8px; border: 1px solid var(--line); background: var(--card); cursor: pointer; font: inherit; text-decoration: none; color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; } .btn.danger { color: var(--bad); border-color: var(--bad); }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }
.flash { padding: .6rem .9rem; border-radius: 8px; } .flash.notice { background: #e6f4ec; color: var(--good); } .flash.alert { background: #fde8e7; color: var(--bad); }
.muted { color: var(--muted); } .small { font-size: .82rem; } .prewrap { white-space: pre-wrap; }
.badge { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: #eee; }
.badge-good { background: #e6f4ec; color: var(--good); } .badge-bad { background: #fde8e7; color: var(--bad); }
.badge-warn { background: #fff3d6; color: var(--warn); } .badge-attention { background: #e8eeff; color: var(--attention); }
.risk-green { background: #e6f4ec; color: var(--good); } .risk-amber { background: #fff3d6; color: var(--warn); } .risk-red { background: #fde8e7; color: var(--bad); }
.progress { display: flex; list-style: none; padding: 0; margin: 1rem 0; gap: 4px; flex-wrap: wrap; }
.progress li { flex: 1; min-width: 90px; font-size: .75rem; padding: .35rem .4rem; border-top: 4px solid var(--line); color: var(--muted); }
.progress li.done { border-color: var(--good); } .progress li.current { border-color: var(--accent); color: var(--ink); font-weight: 600; }
table.list { width: 100%; border-collapse: collapse; background: var(--card); }
table.list th, table.list td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.compact td { padding: .3rem .4rem; font-size: .88rem; }
.timeline { list-style: none; padding: 0; margin: 0; } .timeline li { padding: .4rem 0; border-bottom: 1px dashed var(--line); }
ul.plain { list-style: none; padding: 0; } ul.plain li { margin-bottom: .5rem; }
dl dt { font-weight: 600; font-size: .85rem; } dl dd { margin: 0 0 .5rem; }
.question { margin-bottom: 1rem; }
pre.json { background: #f3f3f0; padding: .75rem; border-radius: 8px; overflow-x: auto; }