:root {
  --bg: #f6f7fb; --card: #ffffff; --text: #1b1f2a; --muted: #6b7280; --line: #e3e6ee;
  --accent: #2563eb; --danger: #dc2626;
  --p1: #dc2626; --p2: #f59e0b; --p3: #10b981;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1218; --card: #171b24; --text: #e6e9f0; --muted: #9aa3b2; --line: #272d3a;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1218; --card: #171b24; --text: #e6e9f0; --muted: #9aa3b2; --line: #272d3a;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.4 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--text); }
header.top { position: sticky; top: 0; z-index: 2; background: var(--card); border-bottom: 1px solid var(--line); padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
h1 { font-size: 18px; margin: 0 8px 0 0; }
h2 { font-size: 15px; margin: 0 0 8px; }
h3 { font-size: 13px; margin: 0 0 6px; color: var(--muted); text-transform: capitalize; }
button { font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; cursor: pointer; min-height: 36px; }
button[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.danger { color: var(--danger); }
.views, .nav { display: flex; gap: 6px; }
.period { color: var(--muted); font-size: 14px; }
main { display: grid; grid-template-columns: 1fr; gap: 16px; padding: 16px; max-width: 1200px; margin: 0 auto; }
@media (min-width: 900px) { main { grid-template-columns: 1fr 260px; } }
aside { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; align-self: start; }
.week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 720px) { .week { grid-template-columns: 1fr; } }
.day, .cell { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px; min-height: 120px; }
.day.today, .cell.today { border-color: var(--accent); }
.day.wide { max-width: 700px; }
.month { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.month .wd { font-size: 12px; color: var(--muted); text-align: center; padding: 4px 0; }
.cell { min-height: 84px; padding: 6px; cursor: pointer; border-radius: 8px; }
.cell.out { opacity: .45; }
.cell .num { font-size: 12px; color: var(--muted); }
.pill { font-size: 12px; border-radius: 6px; padding: 2px 6px; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; background: var(--line); }
.pill.p1 { border-left: 3px solid var(--p1); }
.pill.p2 { border-left: 3px solid var(--p2); }
.pill.p3 { border-left: 3px solid var(--p3); }
.pill.done, .task.done .title { text-decoration: line-through; opacity: .6; }
.more { font-size: 11px; color: var(--muted); }
ul.tasks { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
li.task { display: flex; gap: 8px; align-items: flex-start; padding: 8px; border: 1px solid var(--line); border-radius: 8px; border-left-width: 3px; }
li.task.p1 { border-left-color: var(--p1); }
li.task.p2 { border-left-color: var(--p2); }
li.task.p3 { border-left-color: var(--p3); }
li.task input { margin-top: 4px; width: 18px; height: 18px; }
button.link { border: 0; background: none; padding: 0; text-align: left; min-height: 0; flex: 1; }
.title { display: block; }
.meta { display: block; font-size: 12px; color: var(--muted); }
li.empty { color: var(--muted); font-size: 13px; padding: 4px 0; }
.fab { position: fixed; right: 18px; bottom: 18px; width: 56px; height: 56px; border-radius: 50%; font-size: 28px; background: var(--accent); color: #fff; border: 0; box-shadow: 0 4px 14px rgba(0,0,0,.25); }
dialog { background: var(--card); color: var(--text); border: 1px solid var(--line); border-radius: 14px; width: min(440px, 92vw); padding: 18px; }
dialog::backdrop { background: rgba(0,0,0,.4); }
dialog label { display: grid; gap: 4px; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
dialog input, dialog select, dialog textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px; min-height: 36px; }
.actions { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.spacer { flex: 1; }