:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6b7280; --line: #e3e6ec; --accent: #2f6fed;
  --work: #2f6fed; --sleep: #7c5cd6; --sport: #e0832b; --family: #2fa36b; --other: #b9c0cc; --err: #c62828; --ok: #2e7d32;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171d; --card: #1c2029; --text: #e6e9ef; --muted: #99a1b0; --line: #2b3040; --other: #4a5163; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, sans-serif; }
.container { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }
.nav { display: flex; gap: 16px; align-items: center; padding: 14px 0; flex-wrap: wrap; }
.nav a { color: var(--text); text-decoration: none; }
.nav-right { margin-left: auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.card.narrow { max-width: 420px; margin: 40px auto; }
h1, h2 { margin: 0 0 10px; font-size: 1.15rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.error { color: var(--err); } .ok { color: var(--ok); }
.stack { display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-size: .9rem; color: var(--muted); }
input, select { font: inherit; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); }
button { font: inherit; cursor: pointer; }
button.primary { padding: 11px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; }
button.link { background: none; border: 0; color: var(--muted); padding: 0; }
.timer-buttons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 10px; }
.timer-buttons form { display: contents; }
.cat { padding: 16px 8px; border: 2px solid transparent; border-radius: 10px; color: #fff; font-weight: 600; width: 100%; }
.cat.active { outline: 3px solid var(--text); outline-offset: 2px; }
.cat.stop { background: var(--muted); } .cat:disabled { opacity: .4; cursor: default; }
.running { font-size: 1.05rem; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.stat { display: grid; } .stat .num { font-size: 1.5rem; font-weight: 600; } .stat .lbl { color: var(--muted); font-size: .85rem; }
.progress { height: 10px; border-radius: 5px; background: var(--line); overflow: hidden; margin: 8px 0; }
.progress .bar { height: 100%; background: var(--work); } .progress .bar.over { background: var(--family); }
.days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin: 14px 0 8px; }
.day { display: grid; justify-items: center; gap: 2px; font-size: .75rem; }
.day .col { height: 90px; width: 100%; display: flex; align-items: flex-end; background: var(--bg); border-radius: 6px; overflow: hidden; }
.day .fill { width: 100%; background: var(--work); } .day.today .lbl { font-weight: 700; color: var(--text); }
.day .lbl, .day .val { color: var(--muted); }
.donuts { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
figure { margin: 0; text-align: center; } figcaption { color: var(--muted); font-size: .85rem; }
.donut-track { stroke: var(--line); }
.c-work { stroke: var(--work); } .c-sport { stroke: var(--sport); } .c-family { stroke: var(--family); } .c-other { stroke: var(--other); }
.c-bg-work { background: var(--work); } .c-bg-sleep { background: var(--sleep); } .c-bg-sport { background: var(--sport); }
.c-bg-family { background: var(--family); } .c-bg-other { background: var(--other); }
.legend { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.legend i, .entries i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 8px; flex: none; }
.entries { list-style: none; padding: 0; margin: 0; }
.entries li { display: flex; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); }
.entries .grow { flex: 1; }