:root {
  --bg: #f5f5f3;
  --card: #fff;
  --text: #222;
  --muted: #777;
  --line: #e6e6e3;
  --accent: #e8820c;
  --bad: #c0392b;
  --warn-bg: #fff4e5;
  --hot-bg: #fdecea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1b1a;
    --card: #262625;
    --text: #eee;
    --muted: #a0a09c;
    --line: #3a3a38;
    --accent: #ff9f40;
    --bad: #ff7b6b;
    --warn-bg: #3a2c17;
    --hot-bg: #40221e;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.55 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif; }
a { color: inherit; }
header { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
nav { display: flex; flex-wrap: wrap; gap: 4px 14px; }
nav a { text-decoration: none; color: var(--muted); padding: 2px 0; border-bottom: 2px solid transparent; }
nav a.on { color: var(--accent); border-color: var(--accent); font-weight: 700; }
main { max-width: 960px; margin: 0 auto; padding: 14px 16px 40px; }
h1 { font-size: 20px; }
h2 { font-size: 15px; margin: 0 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin: 12px 0; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.tiles div { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px; text-align: center; }
.tiles span { display: block; color: var(--muted); font-size: 12px; }
.tiles b { font-size: 22px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 400; }
.pairs td:last-child { text-align: right; }
.pairs td { white-space: normal; }
.scroll { overflow-x: auto; }
.num { text-align: right; }
.hot td { background: var(--hot-bg); }
.bad { color: var(--bad); font-weight: 700; }
.warn { background: var(--warn-bg); border-radius: 6px; padding: 8px 10px; }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 30px 0; text-align: center; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filters select, .filters input[name=q] { padding: 7px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--text); max-width: 100%; }
button { padding: 8px 14px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
button.plain { background: none; color: var(--muted); font-weight: 400; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips a { padding: 3px 10px; border: 1px solid var(--line); border-radius: 14px; text-decoration: none; color: var(--muted); }
.chips a.on { color: var(--accent); border-color: var(--accent); }
.login { max-width: 300px; margin: 60px auto; display: grid; gap: 10px; }
.login input { padding: 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--text); }
code { word-break: break-all; }
header { padding-top: max(10px, env(safe-area-inset-top)); }
.install { position: fixed; left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom)); z-index: 10; padding: 12px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 4px 16px rgba(0, 0, 0, .18); }
.install[hidden] { display: none; }
.install p { margin: 4px 0 8px; }
.install-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.install-actions [hidden] { display: none; }
.chat { display: grid; gap: 8px; margin: 12px 0; }
.msg { padding: 9px 12px; border-radius: 8px; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--card); border: 1px solid var(--line); max-width: 92%; }
.msg.user { justify-self: end; background: var(--warn-bg); border-color: transparent; }
.send { display: flex; gap: 8px; align-items: flex-end; }
.send textarea { flex: 1; min-width: 0; padding: 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--text); font: inherit; }
.filters .grow { flex: 1; min-width: 160px; }
.filters input { padding: 7px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--text); font: inherit; }
.todo { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.todo:last-child { border-bottom: 0; }
.todo small { display: block; }
.todo p { margin: 4px 0 0; white-space: pre-wrap; }
.todo.done b { font-weight: 400; text-decoration: line-through; color: var(--muted); }
.tick { flex: none; width: 22px; height: 22px; padding: 0; border: 2px solid var(--line); border-radius: 50%; background: none; }
.tick.on { background: var(--accent); border-color: var(--accent); }
@media (max-width: 520px) {
  .tiles { grid-template-columns: repeat(2, 1fr); }
}