:root {
  --bg: #faf8f6;
  --surface: #ffffff;
  --text: #1f1d1b;
  --muted: #6b6560;
  --border: #e4dfda;
  --accent: #b83a62;
  --danger: #b42318;
  --tog-same: #b83a62;
  --tog-same-text: #ffffff;
  --tog-apart: #f2bccb;
  --tog-apart-text: #4a1426;
  --not-same: #4b6584;
  --not-same-text: #ffffff;
  --not-apart: #c3d0df;
  --not-apart-text: #1b2a3b;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --surface: #201f1d;
    --text: #f1eeea;
    --muted: #a39d97;
    --border: #36332f;
    --accent: #ec7aa0;
    --danger: #f97066;
    --tog-same: #c2416b;
    --tog-apart: #6e2b41;
    --tog-apart-text: #fbe3ea;
    --not-same: #4f6b8c;
    --not-apart: #2e3c4e;
    --not-apart-text: #dfe8f2;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
header .brand { font-weight: 700; color: var(--accent); margin-right: 8px; }
header nav { display: flex; gap: 4px; flex: 1; }
header nav a {
  color: var(--text);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
}
header nav a[aria-current="page"] { background: var(--bg); font-weight: 600; }
main { max-width: 1000px; margin: 0 auto; padding: 20px 16px 48px; }
h1 { font-size: 1.4rem; margin: 0 0 4px; }
.sub { color: var(--muted); margin: 0 0 20px; }

button, .btn {
  font: inherit;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.link { border: none; background: none; color: var(--muted); padding: 6px; }
input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  width: 100%;
}
textarea { resize: vertical; min-height: 2.3em; }

/* login */
.login {
  max-width: 320px;
  margin: 18vh auto 0;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login h1 { text-align: center; color: var(--accent); }
.error { color: var(--danger); min-height: 1.4em; margin: 0; }

/* summary square: column widths by same place / apart, box heights by days */
.square {
  display: flex;
  gap: 4px;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 1;
}
.square .col { display: flex; flex-direction: column; gap: 4px; min-width: 110px; flex-basis: 0; }
.square .box {
  flex-basis: 0;
  min-height: 72px;
  border-radius: 6px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.box .label { font-size: 0.85rem; opacity: 0.9; }
.box .days { font-size: 1.5rem; font-weight: 700; }
.box .pct { font-size: 0.95rem; }
.box.tog-same { background: var(--tog-same); color: var(--tog-same-text); }
.box.tog-apart { background: var(--tog-apart); color: var(--tog-apart-text); }
.box.not-same { background: var(--not-same); color: var(--not-same-text); }
.box.not-apart { background: var(--not-apart); color: var(--not-apart-text); }

table.totals { border-collapse: collapse; margin-top: 24px; min-width: 320px; }
table.totals th, table.totals td { padding: 6px 12px; border-bottom: 1px solid var(--border); text-align: right; }
table.totals th:first-child, table.totals td:first-child { text-align: left; }
table.totals tr:last-child td { font-weight: 600; }
.note { color: var(--muted); font-size: 0.9rem; margin-top: 16px; }
section + section { margin-top: 32px; }

/* events */
.add {
  display: grid;
  grid-template-columns: 10rem 8rem 8rem 1fr auto;
  gap: 8px;
  align-items: end;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 20px;
}
.add label, .row label { display: flex; flex-direction: column; gap: 2px; font-size: 0.8rem; color: var(--muted); }
.rows { display: flex; flex-direction: column; }
.row {
  display: grid;
  grid-template-columns: 10rem 8rem 8rem 1fr 2.5rem;
  gap: 8px;
  align-items: start;
  padding: 8px 0 8px 8px;
  border-bottom: 1px solid var(--border);
  border-left: 4px solid transparent;
}
.row.head { font-size: 0.8rem; color: var(--muted); font-weight: 600; border-bottom-width: 2px; }
.row label > span { display: none; }
.row.tog-same { border-left-color: var(--tog-same); }
.row.tog-apart { border-left-color: var(--tog-apart); }
.row.not-same { border-left-color: var(--not-same); }
.row.not-apart { border-left-color: var(--not-apart); }
.row.saving { opacity: 0.6; }
.row.failed { background: color-mix(in srgb, var(--danger) 10%, transparent); }
.row button.del { color: var(--danger); border-color: transparent; background: none; font-size: 1.2rem; padding: 4px; }
.status { color: var(--muted); font-size: 0.9rem; min-height: 1.4em; }

@media (max-width: 720px) {
  .add { grid-template-columns: 1fr 1fr; }
  .add .wide { grid-column: 1 / -1; }
  .row.head { display: none; }
  .row {
    grid-template-columns: 1fr 1fr 1fr 2.5rem;
    grid-template-areas: "date rel loc del" "text text text text";
  }
  .row .f-date { grid-area: date; }
  .row .f-rel { grid-area: rel; }
  .row .f-loc { grid-area: loc; }
  .row .f-text { grid-area: text; }
  .row .del { grid-area: del; }
  .row label > span { display: block; }
  .square .col { min-width: 90px; }
  .box .days { font-size: 1.2rem; }
}

/* calendar */
.legend { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: 0.85rem; margin: 8px 0 20px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend .day { width: 14px; height: 14px; }
.months { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 16px; }
.month { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.month h2 { font-size: 1rem; margin: 0 0 10px; }
.grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.grid .day { aspect-ratio: 1; }
.day { display: block; border-radius: 3px; }
.day.blank { background: var(--surface); }
.day.none { background: var(--bg); box-shadow: inset 0 0 0 1px var(--border); }
.day.tog-same { background: var(--tog-same); }
.day.tog-apart { background: var(--tog-apart); }
.day.not-same { background: var(--not-same); }
.day.not-apart { background: var(--not-apart); }
@media (max-width: 720px) {
  .months { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .month { padding: 8px; }
  .grid { gap: 2px; }
}

header .brand, header nav a, header button { white-space: nowrap; }
@media (max-width: 420px) {
  header { gap: 8px; padding: 10px 10px; }
  header .brand { margin-right: 0; }
  header nav a { padding: 6px 7px; }
}