:root {
  --bg: #f6f5f1; --panel: #ffffff; --ink: #1d1d1b; --muted: #6b6b66; --line: #dcdad2;
  --accent: #2f5fa8; --accent-ink: #ffffff; --warn: #b9471c; --ok: #2e7d4f; --unsure: #9a9a94;
  --radius: 8px; --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; --mono: ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #16171a; --panel: #1f2126; --ink: #ecebe6; --muted: #a2a29b; --line: #34363c; --accent: #6f9be0; --accent-ink: #0f141c; --unsure: #6c6c68; }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 var(--font); }
a { color: var(--accent); }
header.top { display: flex; align-items: center; gap: 18px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel); flex-wrap: wrap; }
header.top .brand { font-weight: 600; text-decoration: none; color: var(--ink); }
header.top nav a { margin-right: 14px; text-decoration: none; color: var(--muted); }
header.top nav a.active { color: var(--ink); border-bottom: 2px solid var(--accent); }
header.top .spacer { flex: 1; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.4rem; margin: 0 0 12px; }
h2 { font-size: 1.1rem; margin: 20px 0 8px; }
p.lead { color: var(--muted); margin: 0 0 14px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 14px; min-width: 0; overflow-x: auto; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
button, .btn { font: inherit; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; text-decoration: none; display: inline-block; }
button.primary, .btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.danger { color: var(--warn); border-color: var(--warn); }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); max-width: 100%; }
input[type=number] { width: 7em; }
label { display: inline-flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--muted); }
label > span { font-size: .8rem; }
table { border-collapse: collapse; width: 100%; }
.scroll-x { overflow-x: auto; max-width: 100%; }
.scroll-x table { min-width: 100%; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: .85rem; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: .8rem; background: var(--bg); border: 1px solid var(--line); }
.error { color: var(--warn); }
.ok { color: var(--ok); }
.bar { height: 10px; background: var(--line); border-radius: 5px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); }
code, pre { font-family: var(--mono); font-size: .85rem; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 10px; overflow: auto; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 6px; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }
@media (max-width: 600px) { main { padding: 12px; } header.top nav a { margin-right: 10px; } }

.score-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px; }
.score-card { border: 1px solid var(--line); border-radius: 6px; padding: 10px; }
.score-card .total { font-size: 1.2rem; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
.cat-grid label { min-width: 0; }
.cat-grid label.science { grid-column: 1 / -1; }
.cat-grid input { width: 100%; }
@media (max-width: 700px) {
  .hide-narrow { display: none; }
  .hist-bar { display: none; }
  th, td { padding: 5px 6px; font-size: .9rem; }
  .cat-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}
.logentry { border-bottom: 1px solid var(--line); padding: 6px 0; }
.logentry summary { cursor: pointer; line-height: 1.5; }
.logentry pre { margin: 6px 0 0; max-height: 240px; }