/* Personal OS page. Colour roles from the validated reference palette (dataviz skill):
   series 1 blue, 2 orange, 3 aqua; light and dark steps chosen for each surface. */
:root {
  color-scheme: light;
  --page: #f4f3ef; --surface-1: #fcfcfb; --line: #e3e1da;
  --text-primary: #0b0b0b; --text-secondary: #52514e; --text-muted: #77756f;
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --reference: #8a8880;
  --radius: 16px; --font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #121211; --surface-1: #1a1a19; --line: #2c2c2a;
    --text-primary: #f0efec; --text-secondary: #c3c2b7; --text-muted: #9a988f;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --reference: #8f8d84;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--text-primary); font: 16px/1.45 var(--font); }
.wrap { max-width: 640px; margin: 0 auto; padding: 0 14px; }
.narrow { max-width: 380px; padding-top: 12vh; }
.top { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; }
h1 { font-size: 1.3rem; margin: 0 0 12px; }
h2 { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-secondary); margin: 0 0 10px; }
.card { background: var(--surface-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.hero { font-size: 2rem; font-weight: 750; letter-spacing: -0.02em; }
.sub, .note { color: var(--text-secondary); font-size: 0.9rem; margin: 4px 0 0; }
.chart { position: relative; height: 210px; margin-top: 10px; }
.chart.small { height: 150px; }
.bar { height: 10px; background: var(--line); border-radius: 99px; overflow: hidden; margin-top: 10px; }
.bar > span { display: block; height: 100%; background: var(--series-2); border-radius: 99px; }
.facts { margin: 10px 0 0; padding-left: 18px; color: var(--text-primary); font-size: 0.92rem; }
.lift-title { font-size: 0.85rem; color: var(--text-secondary); margin: 14px 0 0; }
details { margin-top: 10px; font-size: 0.88rem; }
summary { cursor: pointer; color: var(--text-secondary); }
table { width: 100%; border-collapse: collapse; margin-top: 6px; }
th, td { text-align: right; padding: 4px 6px; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; }
th { color: var(--text-secondary); font-weight: 600; }
label { display: block; font-weight: 600; font-size: 0.88rem; margin: 10px 0 4px; }
input { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--page); color: var(--text-primary); font: inherit; }
.row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
button { margin-top: 14px; padding: 10px 16px; border-radius: 10px; border: 0; background: var(--text-primary); color: var(--surface-1); font: inherit; font-weight: 600; cursor: pointer; }
button.ghost { margin: 0; background: transparent; color: var(--text-secondary); border: 1px solid var(--line); padding: 6px 12px; }
.empty { color: var(--text-muted); font-size: 0.9rem; margin: 6px 0 0; }
.top .actions { display: flex; gap: 8px; align-items: center; }
a.ghost.link { color: var(--text-secondary); border: 1px solid var(--line); border-radius: 10px; padding: 6px 12px; text-decoration: none; font-size: 0.9rem; }