@font-face { font-family: Lexend; src: url(/static/lexend.woff2) format('woff2'); font-weight: 100 900; font-display: swap; }
:root {
  --bg: #f8fafc; --card: #fff; --line: #e2e8f0; --text: #0f172a; --muted: #475569; --accent: #3730a3; --on-accent: #fff;
  --tint: #eef2ff; --error: #b91c1c;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f172a; --card: #1e293b; --line: #334155; --text: #f1f5f9; --muted: #cbd5e1; --accent: #a5b4fc; --on-accent: #0f172a;
    --tint: #312e81; --error: #fca5a5; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 17px/1.55 Lexend, system-ui, sans-serif; }
.bar { display: flex; align-items: center; gap: 12px; padding: 14px 20px; background: var(--card); border-bottom: 1px solid var(--line); }
.mark { font-weight: 700; color: var(--accent); font-size: 19px; }
.tag { color: var(--muted); font-size: 15px; }
main { max-width: 640px; margin: 0 auto; padding: 28px 16px 64px; outline: none; display: grid; gap: 18px; }
main.wide { max-width: 1180px; }
.wrap { max-width: 640px; margin: 24px auto; padding: 0 16px; }
h1 { font-size: 30px; line-height: 1.25; font-weight: 600; margin: 0; }
h2 { font-size: 19px; font-weight: 600; margin: 0 0 10px; }
.lead p { margin: 8px 0 0; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px; box-shadow: 0 1px 3px rgb(15 23 42 / 6%); }
.card ul { margin: 0; padding-left: 20px; }
.card li + li { margin-top: 6px; }
.form { display: grid; gap: 16px; }
.narrow { max-width: 400px; width: 100%; margin: 40px auto; }
.field { display: grid; gap: 6px; font-weight: 500; }
.field small { font-weight: 400; }
input, select { font: inherit; color: inherit; background: var(--card); width: 100%; min-height: 46px; padding: 9px 12px; border: 1px solid #64748b; border-radius: 10px; }
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible, .scroll:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
input[type=checkbox], input[type=radio] { width: 20px; height: 20px; min-height: 0; flex: none; margin: 3px 0 0; accent-color: var(--accent); }
.check { display: flex; gap: 12px; font-size: 15px; }
.btn { display: inline-flex; align-items: center; justify-content: center; font: inherit; font-weight: 600; min-height: 46px; padding: 9px 22px;
  border: 1px solid var(--accent); border-radius: 10px; background: var(--accent); color: var(--on-accent); cursor: pointer; text-decoration: none;
  transition: transform .12s ease, opacity .12s ease; }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.quiet { background: transparent; color: var(--accent); }
.link { font: inherit; background: none; border: 0; padding: 4px 2px; color: var(--accent); text-decoration: underline; cursor: pointer; }
.muted { color: var(--muted); }
.error { color: var(--error); font-weight: 500; margin: 0; }
.error[hidden] { display: none; }
.who { margin: 0; font-size: 15px; color: var(--muted); }
.progress { height: 8px; border-radius: 8px; background: var(--line); overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--accent); transition: width .3s ease; }
.question { display: grid; gap: 16px; }
.count { margin: 0; font-size: 15px; }
.prompt { font-size: 22px; font-weight: 500; line-height: 1.45; overflow-wrap: anywhere; }
.choices { display: grid; gap: 10px; }
.choice { display: flex; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--tint); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.score { font-size: 64px; font-weight: 700; color: var(--accent); line-height: 1.1; margin-top: 4px; }
.band { font-size: 22px; font-weight: 600; color: var(--text) !important; }
.strands { list-style: none; padding: 0 !important; margin: 0 0 14px !important; }
.strands li { display: grid; grid-template-columns: 1fr auto minmax(110px, auto); gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); margin: 0 !important; }
.head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.tile { display: grid; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; }
.tile b { font-size: 28px; font-weight: 600; }
.scroll { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-weight: 600; }
@media (max-width: 480px) { h1 { font-size: 26px; } .prompt { font-size: 20px; } .card { padding: 18px; } .actions .btn { flex: 1 1 100%; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }