:root {
  --bg: #f6f7f9; --fg: #1d2330; --muted: #5f6b7a; --card: #fff; --line: #dde2e8;
  --accent: #1c5fd4; --accent-fg: #fff; --ok: #e7f6ec; --ok-line: #9bd3ad;
  --err: #fdecec; --err-line: #e8a3a3; --danger: #c43a3a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171c; --fg: #e8ebf0; --muted: #9aa5b3; --card: #1d2128; --line: #323844;
    --accent: #5b93f5; --accent-fg: #0b0e13; --ok: #183323; --ok-line: #2f6b44;
    --err: #3a1d1d; --err-line: #7a3a3a; --danger: #e06666; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.top { background: var(--card); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 56px; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
.nav { display: flex; gap: 16px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--accent); }
main { padding: 24px 16px 48px; }
h1 { font-size: 1.7rem; margin: .4em 0; }
h2 { font-size: 1.2rem; margin: 1.4em 0 .6em; }
.lead { font-size: 1.1rem; color: var(--muted); }
.muted { color: var(--muted); }
a { color: var(--accent); }
.foot { color: var(--muted); font-size: .9rem; padding-bottom: 32px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; color: var(--fg); text-decoration: none; }
.card:hover { border-color: var(--accent); }
.card h2 { margin-top: 0; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-fg); border: 0;
  border-radius: 8px; padding: 10px 18px; font: inherit; font-weight: 600; cursor: pointer;
  text-decoration: none; }
.btn.small { padding: 4px 10px; font-size: .85rem; }
.btn.danger { background: var(--danger); }
.days, .slots { display: flex; flex-wrap: wrap; gap: 8px; }
.day, .slot { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  text-decoration: none; color: var(--fg); text-align: center; }
.day { width: 72px; padding: 8px 0; }
.day .wd { display: block; font-size: .8rem; color: var(--muted); }
.day .dd { font-weight: 600; }
.day.active, .day:hover, .slot:hover { border-color: var(--accent); }
.day.active { background: var(--accent); color: var(--accent-fg); }
.day.active .wd { color: var(--accent-fg); }
.slot { padding: 10px 16px; font-weight: 600; min-width: 84px; }
.form { display: grid; gap: 14px; max-width: 560px; }
.form label { display: grid; gap: 4px; font-weight: 600; }
input, textarea, select { font: inherit; padding: 9px 11px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--card); color: var(--fg); width: 100%; }
input[type=checkbox] { width: auto; }
.check { display: flex !important; gap: 10px; align-items: flex-start; font-weight: 400 !important; }
.hp { position: absolute; left: -10000px; height: 0; overflow: hidden; }
.alert { border-radius: 8px; padding: 10px 14px; margin: 12px 0; border: 1px solid; }
.alert.ok { background: var(--ok); border-color: var(--ok-line); }
.alert.error { background: var(--err); border-color: var(--err-line); }
.alert ul { margin: 0; padding-left: 18px; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px;
  margin: 16px 0; }
.box h2 { margin-top: 0; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .85rem; color: var(--muted); }
tr.st-cancelled td { opacity: .55; }
tr.st-pending td:nth-child(4) { color: #b07a00; }
.num { width: 90px; }
.small { font-size: .85rem; }
.inline { display: inline-flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline input { width: auto; }
.slots, .days { margin-bottom: 24px; }
.list { padding-left: 18px; }
.list li { margin: 6px 0; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px;
  max-width: none; }
.wide { width: 100%; font-family: ui-monospace, monospace; font-size: .85rem; }
details { margin-top: 4px; font-size: .9rem; }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; }