:root {
  --bg: #f4f6f9; --card: #fff; --fg: #17202a; --muted: #6b7684; --line: #e2e6ec;
  --accent: #1f7ae0; --accent-fg: #fff; --on: #18a058; --err: #c62828;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1318; --card: #181e25; --fg: #e8edf2; --muted: #8b96a3; --line: #2a323c; --accent: #4c9bf0; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); line-height: 1.45; }
main { max-width: 640px; margin: 0 auto; padding: 16px 16px 48px; }
.narrow { max-width: 420px; margin: 8vh auto 0; }
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; max-width: 640px; margin: 0 auto; }
.brand { font-weight: 700; }
nav { display: flex; gap: 14px; align-items: center; }
nav a { color: var(--muted); text-decoration: none; }
nav a.active { color: var(--fg); font-weight: 600; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0 0 12px; }
h2 { font-size: 1.15rem; margin: 0 0 4px; }
h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 18px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin-bottom: 14px; }
details.card > summary { cursor: pointer; font-weight: 600; }
label { display: block; margin: 10px 0; font-size: .9rem; color: var(--muted); }
input, select { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--fg);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; }
.row input, .row select { width: auto; }
.row label { flex: 1; }
button { font: inherit; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--fg); cursor: pointer; }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
button.danger { color: var(--err); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.muted { color: var(--muted); font-size: .9rem; }
.center { text-align: center; }
.error { color: var(--err); background: color-mix(in srgb, var(--err) 10%, transparent); padding: 10px 12px; border-radius: 10px; }
.ok { color: var(--on); }
.power { width: 64px; height: 64px; border-radius: 50%; font-size: 1.6rem; }
.power[aria-pressed="true"] { background: var(--on); color: #fff; border-color: var(--on); }
.temps { display: grid; grid-template-columns: 1fr 1.4fr; gap: 12px; margin-top: 18px; }
.big { font-size: 2.2rem; font-weight: 300; min-width: 3.2ch; text-align: center; }
.temps > div:first-child .big { text-align: left; }
.round { width: 44px; height: 44px; border-radius: 50%; padding: 0; font-size: 1.3rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button { padding: 7px 12px; border-radius: 999px; font-size: .9rem; }
.chips button.sel { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.foot { margin-top: 16px; }
.list { list-style: none; padding: 0; margin: 8px 0 12px; }
.list li { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.list .actions { display: flex; gap: 12px; }
pre { background: var(--bg); border: 1px solid var(--line); padding: 10px 12px; border-radius: 10px; overflow-x: auto; font-size: .85rem; white-space: pre-wrap; word-break: break-all; }
code { font-size: .9em; }
.adv { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; align-items: center; margin-top: 12px; }
.adv .name { font-size: .9rem; word-break: break-word; }
.adv select, .adv input { margin: 0; width: auto; max-width: 11rem; }