:root {
  --bg: #f7f3ee;
  --card: #ffffff;
  --text: #2a2521;
  --muted: #756f68;
  --line: #e5ddd4;
  --brand: #5d4037;
  --brand-dark: #3e2723;
  --danger: #b42318;
  --success: #067647;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--brand); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; background: var(--brand); color: white; position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 800; letter-spacing: .02em; }
.nav { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.nav a { color: white; text-decoration: none; font-weight: 600; font-size: .95rem; }
.menu-toggle { display: none; background: white; color: var(--brand); border: 0; border-radius: .6rem; padding: .55rem .8rem; }
.container { width: min(1180px, calc(100% - 2rem)); margin: 1.5rem auto 3rem; }
h1 { margin-top: 0; }
h2, h3 { margin-top: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 1rem; padding: 1rem; box-shadow: 0 10px 20px rgba(42,37,33,.05); margin-bottom: 1rem; }
.narrow { max-width: 520px; margin-left: auto; margin-right: auto; }
.grid { display: grid; gap: 1rem; }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat strong { font-size: 2rem; display: block; }
.stat span { color: var(--muted); }
.action { text-decoration: none; font-weight: 700; display: block; }
.alert { padding: .9rem 1rem; border-radius: .8rem; margin: 0 0 1rem; border: 1px solid; background: white; }
.alert-success { border-color: #abefc6; color: var(--success); }
.alert-error { border-color: #fecdca; color: var(--danger); }
.form-stack { display: grid; gap: 1rem; }
.grid-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; align-items: end; }
.inline-form { display: flex; gap: .75rem; flex-wrap: wrap; align-items: end; }
.mini-form { display: inline-flex; gap: .4rem; align-items: center; margin-left: .5rem; }
label { display: grid; gap: .35rem; font-weight: 650; }
.checkbox { display: flex; align-items: center; gap: .5rem; }
input, select, textarea { width: 100%; padding: .7rem .75rem; border: 1px solid var(--line); border-radius: .65rem; font: inherit; background: white; }
input[type="checkbox"] { width: auto; }
button, .button { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; border: 0; background: var(--brand); color: white; border-radius: .7rem; padding: .75rem 1rem; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
button:hover, .button:hover { background: var(--brand-dark); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: .7rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .9rem; }
small { color: var(--muted); }
.badge { display: inline-block; padding: .35rem .55rem; border-radius: 999px; font-size: .85rem; font-weight: 700; background: #f2e9e4; }
.badge.danger { background: #fecdca; color: var(--danger); }
.people-list { padding-left: 1.2rem; }
.toolbar { display: flex; gap: .75rem; align-items: end; flex-wrap: wrap; margin-bottom: 1rem; }
.time-fields { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .4rem; }

.button.secondary { background: #efe7df; color: var(--brand); }
.button.secondary:hover { background: #e5d8ce; }
.actions { display: flex; gap: .75rem; align-items: center; }
.actions.wrap { flex-wrap: wrap; }
.big-month { font-size: 1.35rem; font-weight: 800; margin: .25rem 0 1rem; }
.muted { color: var(--muted); }
@media (max-width: 850px) {
  .menu-toggle { display: inline-flex; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: stretch; margin-top: .75rem; }
  .nav.is-open { display: flex; }
  .topbar { flex-wrap: wrap; }
  .cards-2, .cards-3, .grid-form { grid-template-columns: 1fr; }
  .container { width: min(100% - 1rem, 1180px); margin-top: 1rem; }
  .card { border-radius: .8rem; padding: .85rem; }
  .inline-form, .mini-form { display: grid; width: 100%; }
  .time-fields { grid-template-columns: 1fr; }
  button, .button { width: 100%; }
}
.form-inline { display: flex; gap: .75rem; align-items: end; flex-wrap: wrap; margin: 1rem 0; }
.form-inline label { flex: 1 1 220px; }
button.secondary { background: #efe7df; color: var(--brand); }
button.secondary:hover { background: #e5d8ce; }
.notice { padding: .8rem .9rem; border-radius: .7rem; border: 1px solid var(--line); background: #fff; }
.notice.warning { border-color: #f6d6a8; background: #fff8ed; }
button:disabled { background: #d7d2cd; color: #746a63; cursor: not-allowed; }
.badge.info { background: #dbeafe; color: #1d4ed8; }
.class-list { padding-left: 1.2rem; display: grid; gap: .65rem; }
.class-list li { line-height: 1.45; }