:root {
  --bg: #f4f5f2;
  --card: #ffffff;
  --text: #1e2421;
  --muted: #69716c;
  --line: #d9ddd8;
  --accent: #2f6b4f;
  --accent-soft: #e3efe8;
  --danger: #a33a2e;
  --error-bg: #fbe9e6;
  --ok-bg: #e3efe8;
  --taken: #eceeeb;
  color-scheme: light;
}
* { 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: 760px; margin: 0 auto; padding: 24px 16px 40px; }
main.wide { max-width: 1000px; }
.page-head h1 { margin: 0 0 4px; font-size: 1.6rem; }
.sub { margin: 0 0 20px; color: var(--muted); }
h2 { font-size: 1.15rem; margin: 0 0 12px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.card.narrow { max-width: 460px; }
.hint { color: var(--muted); font-size: .92rem; margin: 0 0 12px; }
.msg { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }
.msg-error { background: var(--error-bg); color: var(--danger); }
.msg-ok { background: var(--ok-bg); color: var(--accent); }

label { display: block; font-weight: 600; margin: 12px 0 4px; }
input[type=text], input:not([type]), input[type=tel], input[type=password] {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  font: inherit;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 11px 18px;
  margin-top: 16px;
  cursor: pointer;
}
button.secondary { background: #fff; color: var(--text); border: 1px solid var(--line); }
button.danger { background: #fff; color: var(--danger); border: 1px solid var(--danger); }
button.small { padding: 4px 10px; margin: 0; font-size: .85rem; }

fieldset { border: 0; padding: 0; margin: 0; }
legend { font-weight: 600; padding: 0; margin-bottom: 8px; }
.days { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 600px) { .days { grid-template-columns: 1fr; } }
.slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.slot { margin: 0; font-weight: 500; }
.slot input { position: absolute; opacity: 0; pointer-events: none; }
.slot span {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.slot span small { font-size: .72rem; color: var(--muted); font-weight: 400; }
.slot input:checked + span { background: var(--accent); border-color: var(--accent); color: #fff; }
.slot input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.slot.taken span { background: var(--taken); color: var(--muted); cursor: not-allowed; text-decoration: line-through; }
.slot.taken span small { text-decoration: none; }
.pause {
  grid-column: 1 / -1;
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: 4px;
}

.teachers { margin-top: 20px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; margin: 6px 0; }
.check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--accent); }
.privacy { margin-top: 20px; font-weight: 400; font-size: .95rem; }
.hp { position: absolute; left: -9999px; }
.print-only { display: none; }

.big { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; }
dt { color: var(--muted); }
dd { margin: 0; }
.prose h2 { margin-top: 20px; }
.prose h2:first-child { margin-top: 0; }
a { color: var(--accent); }
.page-foot { margin-top: 24px; font-size: .9rem; text-align: center; }

.toolbar { display: flex; gap: 12px; margin-bottom: 16px; }
.toolbar button { margin: 0; }
.day-sheet { overflow-x: auto; }
table { width: 100%; min-width: 640px; border-collapse: collapse; font-size: .95rem; table-layout: fixed; }
th.time-h { width: 110px; }
th.act { width: 90px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .85rem; color: var(--muted); font-weight: 600; }
.t { text-align: center; width: 70px; }
.time, .nowrap { white-space: nowrap; font-variant-numeric: tabular-nums; }
.muted, tr.free td { color: var(--muted); }
.pause-row td { background: var(--bg); color: var(--muted); font-size: .85rem; padding: 3px 8px; }
.legend { font-size: .85rem; color: var(--muted); margin: 10px 0 0; }
form.del { margin: 0; }

@media print {
  @page { size: A4 landscape; margin: 12mm; }
  body { background: #fff; font-size: 11pt; }
  main, main.wide { max-width: none; padding: 0; }
  .no-print, .msg, .page-foot { display: none !important; }
  .card { border: 0; padding: 0; margin: 0; }
  .day-sheet { break-after: page; overflow: visible; }
  .day-sheet:last-child { break-after: auto; }
  .page-head { display: none; }
  .print-only { display: inline !important; font-weight: 400; }
  table { min-width: 0; }
  th, td { border-bottom: 1px solid #999; padding: 9px 6px; }
  tr.free td { color: #000; }
}