:root {
  --bg: #f3f6f2; --panel: #fff; --ink: #18201b; --dim: #5d6a62; --line: #dbe3dc; --accent: #2f7d4f; --accent-ink: #fff;
  --soft: #e6f2ea; --gold: #b07d00; --gold-bg: #fdf3d6; --bad: #b42318; --bad-bg: #fde8e7; --maybe: #8a6d00; --maybe-bg: #fbf1cf;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1411; --panel: #171e1a; --ink: #e6ece8; --dim: #96a39b; --line: #27312b; --accent: #5cc48a; --accent-ink: #08100b;
    --soft: #15291d; --gold: #f0c04a; --gold-bg: #2c2410; --bad: #ff8a80; --bad-bg: #331615; --maybe: #f0c04a; --maybe-bg: #2c2410;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }
.loading { text-align: center; color: var(--dim); margin-top: 20vh; }
header.top { display: flex; align-items: center; gap: 10px; padding: 16px 0 8px; }
header.top img { width: 34px; height: 34px; }
header.top h1 { font-size: 22px; margin: 0; flex: 1; }
nav.tabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid var(--line); margin-bottom: 16px; scrollbar-width: none; }
nav.tabs button { background: none; border: 0; border-bottom: 3px solid transparent; padding: 10px 12px; font: inherit;
  color: var(--dim); cursor: pointer; white-space: nowrap; }
nav.tabs button.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin: 0 0 14px; }
.card h2 { font-size: 17px; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.card h2 .grow { flex: 1; }
.dim { color: var(--dim); } .small { font-size: 13px; }
.weeknav { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.weeknav .mid { flex: 1; text-align: center; }
.weeknav .mid b { display: block; font-size: 18px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--line); background: var(--panel);
  color: var(--ink); border-radius: 10px; padding: 8px 14px; font: inherit; font-size: 15px; cursor: pointer; text-decoration: none; min-height: 40px; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.danger { color: var(--bad); }
.btn.small { padding: 4px 10px; min-height: 32px; font-size: 13px; }
.btn.icon { padding: 4px 10px; min-width: 40px; }
.btn:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 10px; min-height: 40px; width: 100%; }
textarea { min-height: 70px; resize: vertical; }
label.f { display: block; font-size: 13px; color: var(--dim); margin: 8px 0 4px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; }
.row > * { flex: 1 1 140px; }
.row > .btn, .row > .shrink { flex: 0 0 auto; }
.check { display: flex; gap: 10px; align-items: center; margin: 8px 0; }
.check input { width: 20px; min-height: 20px; height: 20px; flex: none; accent-color: var(--accent); }
.slot { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.slot:first-of-type { border-top: 0; }
.slot.past { opacity: .5; }
.slot .when { font-weight: 600; }
.slot .who { grid-column: 1 / -1; font-size: 13px; color: var(--dim); }
.votes { display: flex; gap: 6px; align-items: center; }
.vote { border: 1px solid var(--line); background: var(--panel); color: var(--dim); border-radius: 999px; padding: 6px 12px; font: inherit;
  font-size: 14px; cursor: pointer; min-height: 36px; }
.vote.yes.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.vote.maybe.on { background: var(--maybe-bg); border-color: var(--maybe); color: var(--maybe); font-weight: 600; }
.vote:disabled { cursor: default; }
.bar { height: 6px; border-radius: 3px; background: var(--soft); grid-column: 1 / -1; overflow: hidden; display: flex; }
.bar i { display: block; height: 100%; background: var(--accent); }
.bar i.m { background: var(--maybe); opacity: .6; }
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 1px 8px; border-radius: 999px; background: var(--gold-bg); color: var(--gold); vertical-align: 2px; }
.badge.grey { background: var(--soft); color: var(--dim); }
.course { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--line); cursor: pointer; }
.course:first-of-type { border-top: 0; }
.course input { width: 22px; height: 22px; min-height: 22px; margin-top: 2px; flex: none; accent-color: var(--accent); }
.course .body { flex: 1; min-width: 0; }
.course .count { font-weight: 700; font-variant-numeric: tabular-nums; }
.set { border-color: var(--accent); background: var(--soft); }
.set .big { font-size: 20px; font-weight: 700; margin: 4px 0; }
.comment { padding: 8px 0; border-top: 1px solid var(--line); }
.comment:first-child { border-top: 0; }
.comment .meta { font-size: 12px; color: var(--dim); }
.person { display: flex; gap: 10px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.person:first-child { border-top: 0; }
.person .body { flex: 1; min-width: 160px; }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px;
  border-radius: 10px; font-size: 14px; max-width: calc(100% - 32px); z-index: 10; }
.toast.err { background: var(--bad); color: #fff; }
.signin { max-width: 420px; margin: 12vh auto 0; }
.signin h1 { font-size: 26px; margin: 12px 0 4px; }
.signin img { width: 56px; height: 56px; }
details summary { cursor: pointer; color: var(--accent); margin-top: 10px; }
.tpl { display: flex; gap: 8px; margin-bottom: 6px; }
.tpl select { flex: 1; } .tpl input { flex: 1; }