:root{--color-page: #f3f4f7;--color-card: #fff;--color-ink: #16233f;--color-muted: #5b6478;--color-rule: #d9dce4;--color-bubble: #c7365f;--color-bubble-soft: #fbe7ec;--color-correct: #1e7a4c;--color-correct-soft: #e3f3ea;--color-wrong: #b42318;--color-wrong-soft: #fce9e7;--color-warning: #b26a00;--font-display: "Archivo", system-ui, sans-serif;--font-body: "Source Serif 4", Georgia, serif;--font-numbers: "JetBrains Mono", ui-monospace, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--color-page: #0f1420;--color-card: #171e2e;--color-ink: #e6e9f0;--color-muted: #9aa3b6;--color-rule: #2a3347;--color-bubble: #f0708f;--color-bubble-soft: #3a1f2a;--color-correct: #5bc98e;--color-correct-soft: #173226;--color-wrong: #f38b7f;--color-wrong-soft: #3a1d1a;--color-warning: #e8a23b;color-scheme:dark}}:root[data-theme=dark]{--color-page: #0f1420;--color-card: #171e2e;--color-ink: #e6e9f0;--color-muted: #9aa3b6;--color-rule: #2a3347;--color-bubble: #f0708f;--color-bubble-soft: #3a1f2a;--color-correct: #5bc98e;--color-correct-soft: #173226;--color-wrong: #f38b7f;--color-wrong-soft: #3a1d1a;--color-warning: #e8a23b;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{padding:env(safe-area-inset-top,0) 0 env(safe-area-inset-bottom,0)}body{margin:0;background:var(--color-page);color:var(--color-ink);font:17px/1.55 var(--font-body);padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:24px 48px}img{max-width:100%}[hidden]{display:none!important}p{margin:0}h1,h2,.section-label,button,input{font-family:var(--font-display)}h1{font-size:clamp(26px,5vw,38px);line-height:1.1;margin:0;font-weight:800;letter-spacing:-.01em;text-wrap:balance}h2{font-size:20px;margin:0}.page-column{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.vertical-stack{display:flex;flex-direction:column;gap:14px}.section-label{font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:var(--color-muted);font-weight:700}.hint-text{font-size:14px;color:var(--color-muted)}.card{background:var(--color-card);border:1px solid var(--color-rule);border-radius:10px;padding:24px;display:flex;flex-direction:column;gap:14px}.button{border:1px solid var(--color-ink);background:var(--color-ink);color:var(--color-card);border-radius:8px;padding:11px 20px;font-size:15px;font-weight:700;cursor:pointer}.button.button-secondary{background:transparent;color:var(--color-ink);border-color:var(--color-rule)}.button.button-danger{background:transparent;color:var(--color-wrong);border-color:var(--color-wrong)}.button:disabled{opacity:.4;cursor:default}.button:focus-visible{outline:3px solid var(--color-bubble);outline-offset:2px}.button-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.pill-group{display:flex;gap:8px;flex-wrap:wrap}.pill{border:1px solid var(--color-rule);background:transparent;color:var(--color-ink);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;cursor:pointer}.pill[aria-pressed=true]{background:var(--color-ink);color:var(--color-card);border-color:var(--color-ink)}.pill:focus-visible{outline:3px solid var(--color-bubble);outline-offset:2px}.verdict-badge{display:inline-block;font-family:var(--font-display);font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:999px;margin-left:6px;vertical-align:2px}.verdict-badge.well-done{background:var(--color-correct);color:var(--color-card)}.verdict-badge.qualified{background:var(--color-correct-soft);color:var(--color-correct)}.verdict-badge.not-qualified{background:var(--color-wrong-soft);color:var(--color-wrong)}@media(prefers-reduced-motion:reduce){*{transition:none!important}}