:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --border: #e3e3de;
  --accent: #2f5bea;
  --danger: #c4372f;
  --warn: #b26a00;
  --radius: 10px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --surface: #1f1f1d;
    --text: #ecece8;
    --muted: #9a9a93;
    --border: #33332f;
    --accent: #7b9bff;
    --danger: #ff7a70;
    --warn: #f0b04a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1, h2 { margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 15px; color: var(--muted); }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.topbar nav { display: flex; gap: 16px; align-items: center; }
.topbar form { margin: 0; display: flex; }
.brand { font-weight: 700; color: var(--text); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
}
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.counts { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.count { display: flex; flex-direction: column; min-width: 120px; color: var(--text); }
.count strong { font-size: 26px; }
.count span { color: var(--muted); }

input, select, textarea, button {
  font: inherit; color: inherit; background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px;
}
textarea { width: 100%; resize: vertical; }
button { cursor: pointer; background: var(--accent); border-color: var(--accent); color: #fff; }
button.link { background: none; border: none; color: var(--accent); padding: 0; }
button.danger { background: none; border-color: var(--danger); color: var(--danger); }
label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
label input, label select, label textarea { color: var(--text); font-size: 15px; }

.quick-add { display: flex; gap: 8px; margin-bottom: 16px; }
.quick-add input { flex: 1; min-width: 0; }

.filters { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px; }
.filters a { padding: 4px 10px; border-radius: 999px; color: var(--muted); }
.filters a.active { background: var(--surface); border: 1px solid var(--border); color: var(--text); }

.tasks { list-style: none; margin: 0; padding: 0; }
.task {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: start;
  gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border);
}
.task:last-child { border-bottom: none; }
.task form { display: contents; }
.task input[type="checkbox"] { margin: 4px 0 0; }
.task .body { display: flex; flex-direction: column; gap: 3px; }
.task .title { color: var(--text); overflow-wrap: anywhere; }
.task.done .title { color: var(--muted); text-decoration: line-through; }
.task select { padding: 2px 4px; font-size: 13px; max-width: 110px; }
.meta { display: flex; gap: 4px; flex-wrap: wrap; }
.badge {
  font-size: 12px; padding: 1px 7px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.badge.overdue, .badge.p1 { color: var(--danger); border-color: var(--danger); }
.badge.today, .badge.p2 { color: var(--warn); border-color: var(--warn); }
.empty { color: var(--muted); padding: 8px 0; }

.login { max-width: 340px; margin: 12vh auto 0; display: flex; flex-direction: column; gap: 12px; }
.edit { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.actions { justify-content: flex-end; }
.danger-zone { margin: 16px 0; }
.error { color: var(--danger); margin: 0; }
.muted { color: var(--muted); font-size: 13px; }