:root {
  --sea: #0b1a26; --deep: #102536; --card: #16303f; --line: #27465a; --text: #f2ead9; --dim: #9fb3bf;
  --warn: #f2b35a; --bad: #ef7a6a; --good: #8fd19e; --press: #2d5a73;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--sea); color: var(--text); font: 16px/1.4 Georgia, 'Iowan Old Style', serif; -webkit-text-size-adjust: 100%; }
header { position: sticky; top: 0; z-index: 2; padding: 12px 16px calc(10px); padding-top: max(12px, env(safe-area-inset-top)); background: var(--deep); border-bottom: 1px solid var(--line); }
#ship { font-size: 19px; font-weight: 700; }
#where { color: var(--dim); font-size: 14px; min-height: 19px; }
main { padding: 12px 16px 48px; max-width: 640px; margin: 0 auto; }
section { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 12px; }
section.urgent { border-color: var(--warn); }
h2 { margin: 0 0 6px; font-size: 16px; }
p { margin: 6px 0; }
.dim { color: var(--dim); font-size: 14px; }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 4px; }
.label { color: var(--dim); font-size: 14px; margin-top: 8px; }
button { min-height: 44px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--press); color: var(--text); font: inherit; touch-action: manipulation; }
button.on { background: var(--text); color: var(--sea); }
button.danger { background: #6b2c25; border-color: #8e3c32; }
button:active { filter: brightness(1.2); }
.log div { padding: 6px 0; border-bottom: 1px solid var(--line); }
.log div:last-child { border-bottom: 0; }
.log .day { color: var(--dim); font-size: 13px; }
.person { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.person:last-child { border-bottom: 0; }
.person .state { color: var(--dim); font-size: 14px; text-align: right; }
.centre { text-align: center; padding: 28px 8px; }
#chart { max-width: 640px; margin: 12px auto 0; background: none; border: 0; padding: 0 16px; }
#chart[hidden] { display: none; }
#chart-canvas { display: block; width: 100%; height: min(92vw, 56vh, 560px); border: 1px solid var(--line); border-radius: 10px; touch-action: none; cursor: grab; }
#chart .row { margin-bottom: 0; }
#toast { position: fixed; left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom)); z-index: 3; padding: 12px 14px; border-radius: 10px; background: var(--text); color: var(--sea); box-shadow: 0 6px 22px #0008; }