:root {
  --bg: #faf8f3; --card: #fff; --text: #1f1a10; --muted: #7a7260; --line: #e8e2d2;
  --accent: #d99a00; --temp: #3b82c4; --ok: #2e8b57; --warn: #c0392b; --stale: #8c8c8c;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14110a; --card: #1e1a10; --text: #f1ead8; --muted: #a39a82; --line: #332d1c;
          --accent: #f2b632; --temp: #6fb0ea; --ok: #52c58a; --warn: #ff7a6b; --stale: #8f8f8f; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 16px 16px 8px; max-width: 1100px; margin: 0 auto; }
h1 { margin: 0; font-size: 1.5rem; }
h2 { margin: 12px 0 8px; font-size: 1.3rem; }
main, footer { max-width: 1100px; margin: 0 auto; padding: 8px 16px 24px; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
#banner { margin: 8px 16px; padding: 10px 14px; border-radius: 10px; background: #fdecea; color: #7a1d12; max-width: 1068px; }
@media (min-width: 1132px) { #banner { margin: 8px auto; } }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card {
  display: block; width: 100%; text-align: left; font: inherit; color: inherit; cursor: pointer;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px;
}
.card:hover, .card:focus-visible { border-color: var(--accent); outline: none; }
.card .top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.card .name { font-weight: 600; overflow-wrap: anywhere; }
.chip { font-size: .72rem; padding: 2px 8px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.chip.ok { color: var(--ok); } .chip.stale { color: var(--stale); } .chip.alert { color: var(--warn); font-weight: 600; }
.weight { font-size: 2.3rem; font-weight: 700; margin: 6px 0 0; font-variant-numeric: tabular-nums; }
.weight small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.card.is-stale .weight { color: var(--stale); }
.delta { font-size: .9rem; margin-bottom: 6px; font-variant-numeric: tabular-nums; }
.delta.up { color: var(--ok); } .delta.down { color: var(--warn); }
.spark { width: 100%; height: 44px; display: block; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: .88rem; color: var(--muted); margin-top: 6px; }
.alertline { margin-top: 8px; padding: 6px 10px; border-radius: 8px; background: #fdecea; color: #7a1d12; font-size: .85rem; }
@media (prefers-color-scheme: dark) { .alertline, #banner { background: #3a1814; color: #ffb3a8; } }
.bat { display: inline-block; width: 22px; height: 10px; border: 1px solid var(--muted); border-radius: 2px; vertical-align: -1px; position: relative; margin-right: 4px; }
.bat i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--ok); }
.bat.low i { background: var(--warn); }
#back, .ranges button {
  font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px; cursor: pointer;
}
.ranges { display: flex; gap: 8px; margin: 8px 0; }
.ranges button.on { background: var(--accent); border-color: var(--accent); color: #1f1a10; font-weight: 600; }
#chart-wrap { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 8px; touch-action: pan-y; }
#chart { width: 100%; height: 280px; display: block; }
#chart text { fill: var(--muted); font-size: 11px; }
#chart .grid-line { stroke: var(--line); stroke-width: 1; }
#chart .w { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; }
#chart .t { fill: none; stroke: var(--temp); stroke-width: 1.2; stroke-dasharray: 4 3; opacity: .85; }
#chart .cursor { stroke: var(--muted); stroke-width: 1; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-top: 12px; }
.stats div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 8px 12px; }
.stats b { display: block; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; vertical-align: -1px; }
.dot.w { background: var(--accent); } .dot.t { background: var(--temp); }
.empty { padding: 32px 8px; text-align: center; }

[hidden] { display: none !important; }

header nav { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
header nav span { color: var(--muted); font-size: .9rem; }
.btn, .primary, .danger, .form button {
  font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px; cursor: pointer;
}
.primary { background: var(--accent); border-color: var(--accent); color: #1f1a10; font-weight: 600; }
.danger { color: var(--warn); border-color: var(--warn); }
.form { display: grid; gap: 12px; max-width: 360px; }
.form label, .box label.f { display: grid; gap: 4px; font-size: .9rem; color: var(--muted); }
input[type=text], input[type=password], input:not([type]), select {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; width: 100%;
}
.err { color: var(--warn); min-height: 1.2em; margin: 0; }
.ok-msg { color: var(--ok); }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px 16px; margin: 12px 0; }
.box summary { cursor: pointer; font-weight: 600; }
.checks { display: grid; gap: 4px; margin: 10px 0; }
.checks label { display: flex; gap: 8px; align-items: center; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-top: 8px; }
.row > * { flex: 1 1 160px; }
.row button { flex: 0 0 auto; }