:root { color-scheme: light dark; --accent: #e11d48; --bg: light-dark(#f8fafc, #0b1020); --card: light-dark(#fff, #151b2e);
  --fg: light-dark(#0f172a, #e5e7eb); --muted: light-dark(#475569, #9ca3af); --line: light-dark(#e2e8f0, #263049);
  --ok: light-dark(#047857, #34d399); --warn: light-dark(#b45309, #fbbf24); --bad: light-dark(#b91c1c, #f87171); }
:root[data-theme="light"] { color-scheme: light } :root[data-theme="dark"] { color-scheme: dark }
* { box-sizing: border-box }
[hidden] { display: none !important }
body { margin: 0; font: 15px/1.55 system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--fg) }
header { display: flex; align-items: center; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--line); background: var(--card); position: sticky; top: 0; z-index: 2 }
header h1 { font-size: 17px; margin: 0; flex: 1 } header a { color: var(--muted) }
main { max-width: 1100px; margin: 0 auto; padding: 20px; display: grid; gap: 16px }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px }
.card h2 { margin: 0 0 8px; font-size: 15px; color: var(--muted); font-weight: 600 }
.big { font-size: 34px; font-weight: 800; line-height: 1.1 }
.pill { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 700; border: 1px solid currentColor }
.optimal { color: var(--ok) } .elevated, .detraining { color: var(--warn) } .high-risk { color: var(--bad) } .insufficient-data { color: var(--muted) }
pre { white-space: pre-wrap; font: inherit; margin: 6px 0 }
button, .btn { font: inherit; padding: 10px 16px; border-radius: 10px; border: 0; background: var(--accent); color: #fff; font-weight: 700; cursor: pointer; text-decoration: none; display: inline-block }
button.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line) }
button:active { transform: translateY(1px) } :focus-visible { outline: 3px solid var(--accent); outline-offset: 2px }
input, textarea { font: inherit; width: 100%; padding: 9px 11px; border-radius: 9px; border: 1px solid var(--line); background: var(--bg); color: var(--fg) }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted) }
table { width: 100%; border-collapse: collapse } td, th { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line) } th { color: var(--muted); font-size: 12px; text-transform: uppercase }
tr.click { cursor: pointer } tr.click:hover { background: var(--bg) }
.bar { height: 10px; border-radius: 6px; background: var(--line); overflow: hidden; display: flex }
.bar span { display: block; height: 100% }
.badges { display: flex; flex-wrap: wrap; gap: 8px } .badge { padding: 6px 10px; border-radius: 10px; background: var(--bg); border: 1px solid var(--line); font-size: 13px }
.muted { color: var(--muted) } .row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap }
.select-wrap { position: relative } .select-wrap select { appearance: none; width: 100%; font: inherit; padding: 9px 40px 9px 11px; border-radius: 9px; border: 1px solid var(--line); background: var(--bg); color: var(--fg) }
.select-wrap svg { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); pointer-events: none; width: 16px; height: 16px }
@media (forced-colors: active) { .select-wrap select { appearance: auto } .select-wrap svg { display: none } }
[data-theme-toggle] { width: 44px; height: 44px; padding: 0; background: transparent; color: var(--fg); border: 1px solid var(--line) }
dialog { border: 1px solid var(--line); border-radius: 14px; background: var(--card); color: var(--fg); max-width: 720px; width: 92vw }
@media (prefers-reduced-motion: no-preference) { .card { transition: transform .15s } .card:hover { transform: translateY(-1px) } }