:root {
  --accent: #2f6f8f;
  --accent-dark: #22546d;
  --text: #1d2730;
  --muted: #5b6873;
  --bg: #f3f6f8;
  --card: #ffffff;
  --border: #d5dde3;
  --error: #b3261e;
  --ok: #1e7a46;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
header .school { color: var(--accent); font-style: italic; margin: 0 0 4px; }
h1 { font-size: 1.6rem; margin: 0 0 4px; color: var(--accent-dark); }
h1 + .sub { margin: 0 0 16px; font-weight: 600; }
h2 { font-size: 1.15rem; margin: 0 0 12px; color: var(--accent-dark); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin: 16px 0;
}
.deadline {
  background: #fff6e0;
  border: 1px solid #e8cf8c;
  border-radius: 8px;
  padding: 10px 14px;
}
label { display: block; font-weight: 600; margin: 12px 0 4px; }
.hint { color: var(--muted); font-size: 0.92rem; font-weight: 400; }
input[type=text], input[type=tel], input[type=date], input[type=password], select, textarea {
  width: 100%;
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.row { display: grid; grid-template-columns: 2fr 1fr; gap: 0 16px; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }

.periods { border-collapse: collapse; width: 100%; }
.periods .group { font-weight: 700; color: var(--accent-dark); padding: 14px 0 4px; }
.period {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; margin: 4px 0;
  border: 1px solid var(--border); border-radius: 6px;
  font-weight: 400; cursor: pointer;
}
.period:hover { border-color: var(--accent); }
.period input { width: 22px; height: 22px; flex: none; accent-color: var(--accent); }
.period .days { margin-left: auto; color: var(--muted); white-space: nowrap; font-size: 0.92rem; }
.period:has(input:checked) { background: #e7f1f6; border-color: var(--accent); }

.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.check input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--accent); }

button {
  font: inherit; font-weight: 600;
  background: var(--accent); color: #fff;
  border: 0; border-radius: 6px;
  padding: 12px 22px; cursor: pointer;
}
button:hover { background: var(--accent-dark); }
button:disabled { opacity: 0.6; cursor: default; }
button.secondary { background: #fff; color: var(--accent-dark); border: 1px solid var(--accent); }

.msg { padding: 12px 14px; border-radius: 6px; margin: 12px 0; }
.msg.error { background: #fdecea; color: var(--error); }
.msg.ok { background: #e6f4ea; color: var(--ok); }
.hidden { display: none !important; }
.hp { position: absolute; left: -9999px; }
ul.notes { padding-left: 20px; margin: 0; }
ul.notes li { margin: 6px 0; }
table.data { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
table.data th, table.data td { border-bottom: 1px solid var(--border); padding: 6px 8px; text-align: left; }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
.scroll { overflow-x: auto; }
code, textarea.code { font-family: ui-monospace, Consolas, monospace; font-size: 0.85rem; }
.back { margin: 0 0 12px; font-size: 0.95rem; }
a { color: var(--accent-dark); }
.cta {
  display: block; width: 100%; text-align: center; text-decoration: none;
  font-weight: 700; font-size: 1.25rem; letter-spacing: 0.01em;
  background: var(--accent); color: #fff; border-radius: 10px;
  padding: 18px 24px; box-shadow: 0 3px 0 var(--accent-dark);
}
.cta:hover, .cta:focus-visible { background: var(--accent-dark); color: #fff; }
.cta:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--accent-dark); }
.cta small { display: block; font-weight: 400; font-size: 0.9rem; opacity: 0.9; margin-top: 2px; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 0; }
.facts div { border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.facts dt { font-weight: 700; color: var(--accent-dark); }
.facts dd { margin: 4px 0 0; }
ol.steps { padding-left: 22px; margin: 0; }
ol.steps li { margin: 6px 0; }
.row.half { grid-template-columns: 1fr 1fr; }
.row.plz { grid-template-columns: 8rem 1fr; }
@media (max-width: 560px) { .row.half { grid-template-columns: 1fr; } .row.plz { grid-template-columns: 7rem 1fr; } }
img.logo { display: block; width: 260px; max-width: 70%; height: auto; margin: 0 0 12px; }
.legal h2 { margin-top: 20px; }
.legal p, .legal ul { margin: 8px 0; }
.foot { max-width: 760px; margin: 0 auto; padding: 0 16px 32px; text-align: center; font-size: 0.9rem; color: var(--muted); }