:root { --fg:#222; --bg:#fafaf7; --link:#3b6b3b; --accent:#c44; }
*,*::before,*::after { box-sizing: border-box; }
html { font-size: 18px; }
body { margin:0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color:var(--fg); background:var(--bg); line-height:1.55; }
.site-header { padding: 1rem 1.25rem; }
.brand { font-weight: 600; font-size: 1.1rem; color: var(--fg); text-decoration: none; }
.site-main { padding: 1.25rem; max-width: 640px; margin: 0 auto; }
.site-footer { padding: 2rem 1.25rem; text-align: center; color: #888; }
h1 { font-size: 1.6rem; margin: 0 0 1rem; }
a { color: var(--link); }
button, input, textarea { font: inherit; }
@media (min-width: 720px) { html { font-size: 20px; } }

.nav-list { list-style: none; padding: 0; font-size: 1.2rem; }
.nav-list li { margin: 0.75rem 0; }

.plan-form fieldset { border: 0; padding: 0; margin: 0 0 1.25rem; }
.plan-form label { display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 1.05rem; }
.plan-form textarea {
  width: 100%; padding: 0.6rem 0.7rem;
  font-size: 1.05rem; line-height: 1.45;
  border: 1px solid #ccc; border-radius: 6px;
  background: #fff;
}
.plan-form textarea:focus { outline: 2px solid var(--link); outline-offset: 1px; }
.plan-form button {
  width: 100%; padding: 0.85rem;
  font-size: 1.1rem; font-weight: 600;
  background: var(--link); color: #fff; border: 0; border-radius: 6px;
  cursor: pointer;
}
.plan-form button:disabled { background: #999; cursor: not-allowed; }
.status { margin-top: 0.75rem; min-height: 1.4em; color: #444; }

.cal-form fieldset { border: 0; padding: 0; margin: 0 0 1.25rem; }
.cal-form legend  { font-weight: 600; margin-bottom: 0.4rem; font-size: 1.05rem; }
.cal-form label   { display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 1.05rem; }
.cal-form label.cb { font-weight: 400; display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; }
.cal-form input[type=text], .cal-form input[type=datetime-local], .cal-form input[type=date], .cal-form select {
  width: 100%; padding: 0.55rem 0.65rem; font-size: 1.05rem;
  border: 1px solid #ccc; border-radius: 6px; background: #fff;
}
.cal-form fieldset.row { display: flex; gap: 0.75rem; }
.cal-form fieldset.row > div { flex: 1; }
.cal-form fieldset.members .cb { padding: 0.35rem 0; }
.cal-form button {
  width: 100%; padding: 0.85rem; font-size: 1.1rem; font-weight: 600;
  background: var(--link); color: #fff; border: 0; border-radius: 6px; cursor: pointer;
}
.cal-form button:disabled { background: #999; cursor: not-allowed; }
.upcoming { list-style: none; padding: 0; margin-top: 1rem; }
.upcoming li { display: flex; align-items: center; gap: 0.6rem; padding: 0.5rem 0; border-bottom: 1px solid #eee; }
.upcoming .dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.upcoming .when { font-variant-numeric: tabular-nums; min-width: 8rem; color: #444; }
.upcoming .title { flex: 1; }
.upcoming .del { background: none; border: 0; font-size: 1.2rem; cursor: pointer; padding: 0.25rem; }
.upcoming .del:disabled { opacity: 0.4; cursor: wait; }
.upcoming .muted { color: #888; padding: 0.5rem 0; }
.cal-badge {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  padding: 0.1rem 0.5rem; border-radius: 999px;
  flex-shrink: 0; line-height: 1.4;
}
.cal-badge.cal-family { background: #d6efd0; color: #2d5d2a; }
.cal-badge.cal-board  { background: #ffe1c4; color: #7a4612; }