:root {
  --bg: #f4f3ef; --card: #ffffff; --text: #1d2321; --muted: #5f6b66; --line: #dcdcd4;
  --accent: #2f7d4f; --accent-text: #ffffff; --bad: #b3261e; --warn: #9a6200; --good: #2f7d4f;
  --flash-good: #e3f2e8; --flash-bad: #fbe6e4; --code: #eeede8;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816; --card: #1d2320; --text: #e6ebe8; --muted: #9aa7a1; --line: #2f3833;
    --accent: #5fbf85; --accent-text: #0d1a12; --bad: #ff8a80; --warn: #f0b85a; --good: #5fbf85;
    --flash-good: #1c3326; --flash-bad: #3a1f1d; --code: #262d29;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 860px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.5rem; margin: 8px 0 16px; display: flex; align-items: center; gap: 10px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; }
h3 { font-size: 1rem; margin: 14px 0 4px; }
a { color: var(--accent); }
code, pre { background: var(--code); border-radius: 6px; font-size: .9em; }
code { padding: 1px 5px; }
pre { padding: 10px; overflow-x: auto; white-space: pre-wrap; word-break: break-word; }
pre.log { max-height: 420px; overflow-y: auto; font-size: .78rem; }

.top { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 0 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.tabs { display: flex; gap: 4px; overflow-x: auto; }
.tabs a { padding: 14px 12px; text-decoration: none; color: var(--muted); border-bottom: 3px solid transparent;
  white-space: nowrap; font-weight: 600; }
.tabs a.on { color: var(--text); border-bottom-color: var(--accent); }

.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; margin: 0 0 16px; color: inherit; }
.card.narrow { max-width: 380px; margin: 48px auto; }
a.card.bot { text-decoration: none; }
a.card.bot:hover { border-color: var(--accent); }
details.card > summary { cursor: pointer; font-weight: 600; }
details.card[open] > summary { margin-bottom: 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-bottom: 16px; }
.grid .card { margin: 0; }
.big { font-size: 1.1rem; font-weight: 600; margin: 4px 0; }
.muted { color: var(--muted); font-size: .9rem; margin: 4px 0; }
.err { color: var(--bad); } .warn { color: var(--warn); }
.row { display: flex; align-items: center; gap: 8px; }
.row.between { justify-content: space-between; } .row.gap { gap: 10px; } .row.wrap { flex-wrap: wrap; }
.row h2 { margin: 0; }

.dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ok { background: var(--good); } .dot.warn { background: var(--warn); } .dot.error { background: var(--bad); }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.flash.good { background: var(--flash-good); } .flash.bad { background: var(--flash-bad); color: var(--bad); }

dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 8px 0 14px; }
dl.facts dt { color: var(--muted); } dl.facts dd { margin: 0; }
ul { padding-left: 20px; margin: 6px 0; }
ul.open li { margin: 2px 0; }

form.stack, form.settings { display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-size: .9rem; color: var(--muted); }
label.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: .95rem; }
label.danger { color: var(--bad); }
input[type=text], input[type=password], input[type=date], input[type=number], select {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 10px; min-height: 40px; width: 100%; }
input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent); flex: none; }
.months.equip { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
button { font: inherit; font-weight: 600; padding: 10px 18px; border-radius: 8px; border: 0; cursor: pointer;
  background: var(--accent); color: var(--accent-text); min-height: 42px; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.link { background: none; color: var(--muted); padding: 8px; min-height: 0; font-weight: 500; }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 0; display: grid; gap: 10px; min-width: 0; }
input, select { min-width: 0; }
legend { font-weight: 700; padding: 0 6px; }
.cg { display: grid; grid-template-columns: 1fr 160px; gap: 8px; align-items: center; }
.months { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 6px; }
.target { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 10px; border-radius: 8px;
  background: var(--bg); }
.target .wide { grid-column: 1 / -1; }
.target.blank { border: 1px dashed var(--line); background: transparent; }
.target .check { grid-column: span 2; }

@media (max-width: 560px) {
  .cg { grid-template-columns: 1fr; gap: 4px; margin-bottom: 6px; }
  .target { grid-template-columns: 1fr 1fr; }
  .target .check { grid-column: 1 / -1; }
}