/* keyissue look (same in every app; only the accent changes): soft grey ground,
   white cards, the phone's own font. Light and dark follow the phone. */
:root {
  --bg: #F2F2F5; --surface: #FFFFFF; --sunk: #EDEDF1; --line: #E4E4E9;
  --fg: #111114; --muted: #5F5F6B;
  --accent: #374151; --accent-ink: #FFFFFF; --accent-soft: #ECEDEF;
  --warn: #B42318; --good: #15803D;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 1px 2px rgb(17 17 20 / .04), 0 4px 16px rgb(17 17 20 / .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B0B0E; --surface: #1C1C21; --sunk: #26262C; --line: #2E2E35;
    --fg: #F4F4F6; --muted: #A1A1AA;
    --accent: #D1D5DB; --accent-ink: #0B0B0E; --accent-soft: #2A2D33;
    --warn: #F97066; --good: #4ADE80; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B0B0E; --surface: #1C1C21; --sunk: #26262C; --line: #2E2E35;
    --fg: #F4F4F6; --muted: #A1A1AA;
    --accent: #D1D5DB; --accent-ink: #0B0B0E; --accent-soft: #2A2D33;
    --warn: #F97066; --good: #4ADE80; --shadow: none; color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); font-size: 16px; line-height: 1.5; -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent; }
h1, h2 { font-family: var(--display); margin: 0; line-height: 1.15; font-weight: 700; letter-spacing: -.015em; }
h1 { font-size: 2.125rem; line-height: 1.1; letter-spacing: -.025em; }
h2 { font-size: 1.2rem; margin-bottom: 10px; }
p { margin: 0; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.wrap {
  max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px;
  padding: calc(18px + env(safe-area-inset-top, 0px)) 16px calc(96px + env(safe-area-inset-bottom, 0px));
}
.eyebrow { font-size: .82rem; letter-spacing: .01em; color: var(--muted); font-weight: 600; margin-bottom: 6px; }
.card { background: var(--surface); border: 1px solid transparent; border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.list li { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.list li > :first-child { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.list .day { display: block; }
.list .day b { display: inline-block; min-width: 3.2em; }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 600; }
.good { color: var(--good); }
.warn { color: var(--warn); }
.bar { display: block; max-width: 220px; height: 6px; border-radius: 3px; background: var(--sunk); margin-top: 4px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--good); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.row input { flex: 1 1 200px; min-width: 0; font: inherit; padding: 10px 12px; min-height: 44px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.btn {
  font: inherit; font-weight: 600; font-size: .95rem; cursor: pointer; min-height: 44px;
  padding: 10px 16px; border-radius: 12px; border: 1px solid transparent; background: var(--sunk); transition: transform .1s ease, filter .15s ease; color: var(--fg);
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.msg:empty { display: none; }
.foot { text-align: center; }
.summary { display: flex; gap: 12px; align-items: center; }
.dot { width: 14px; height: 14px; border-radius: 50%; flex: none; background: var(--good); }
.dot.bad { background: var(--warn); }
.checks li { align-items: flex-start; }
.checks .name { font-weight: 600; display: block; }
.checks .detail { display: block; font-size: .88rem; color: var(--muted); }
.checks .bad .detail { color: var(--warn); }
.nights { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.nights span { width: 22px; height: 22px; border-radius: 6px; background: var(--good); }
.nights span.bad { background: var(--warn); }