@import "https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap";:root{--text:#6b6375;--text-h:#08060d;--bg:#0f1729;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.pi-quiz{--ink-900:#12213b;--ink-800:#1b2c4a;--ink-700:#2a3f63;--paper-100:#f8f3e8;--paper-200:#efe6d2;--paper-line:#d9cba9;--brass-500:#b08d57;--brass-600:#8f6f3f;--stamp-green:#2f5d50;--stamp-green-bg:#e3ede9;--stamp-red:#8b2e2e;--stamp-red-bg:#f3e4e2;--font-display:"Fraunces", Georgia, "Times New Roman", serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"IBM Plex Mono", "SFMono-Regular", Menlo, monospace;box-sizing:border-box;background:radial-gradient(circle at 15% 0%, #223458 0%, transparent 55%), radial-gradient(circle at 90% 100%, #182545 0%, transparent 50%), linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);width:100%;min-height:100vh;font-family:var(--font-body);color:var(--ink-900);justify-content:center;padding:clamp(20px,5vw,56px) 16px;display:flex}.pi-quiz *,.pi-quiz :before,.pi-quiz :after{box-sizing:border-box}.pi-quiz__frame{background:var(--paper-100);border-radius:6px;width:100%;max-width:720px;position:relative;overflow:hidden;box-shadow:inset 0 1px #fff9,0 30px 60px -20px #050a198c,0 0 0 1px #12213b0f}.pi-quiz__frame:before{content:"";background:linear-gradient(90deg, var(--brass-600), var(--brass-500) 40%, var(--brass-600));height:6px;position:absolute;top:0;left:0;right:0}.pi-quiz__masthead{border-bottom:1px solid var(--paper-line);flex-direction:column;gap:6px;padding:40px 40px 24px;display:flex}.pi-quiz__eyebrow{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--brass-600);font-size:11px;font-weight:600}.pi-quiz__title{font-family:var(--font-display);color:var(--ink-900);letter-spacing:-.01em;margin:2px 0 0;font-size:clamp(28px,4vw,38px);font-weight:700;line-height:1.1}.pi-quiz__subtitle{color:var(--ink-700);opacity:.75;font-size:13px}.pi-quiz__intro{flex-direction:column;gap:20px;padding:32px 40px 40px;display:flex}.pi-quiz__intro-text{color:var(--ink-800);margin:0;font-size:15px;line-height:1.65}.pi-quiz__categories{grid-template-columns:repeat(2,1fr);gap:8px 16px;margin:0;padding:0;list-style:none;display:grid}.pi-quiz__categories li{font-family:var(--font-mono);color:var(--ink-700);background:var(--paper-200);border:1px solid var(--paper-line);border-radius:3px;padding:9px 12px 9px 22px;font-size:12.5px;position:relative}.pi-quiz__categories li:before{content:"§";color:var(--brass-600);font-weight:700;position:absolute;left:9px}.pi-quiz__cta{appearance:none;cursor:pointer;font-family:var(--font-body);letter-spacing:.01em;background:var(--ink-900);color:var(--paper-100);border:none;border-radius:4px;width:100%;padding:14px 22px;font-size:14.5px;font-weight:600;transition:transform .15s,background .15s,box-shadow .15s}.pi-quiz__cta:hover:not(:disabled){background:var(--ink-700);transform:translateY(-1px)}.pi-quiz__cta:active:not(:disabled){transform:translateY(0)}.pi-quiz__cta:disabled{opacity:.4;cursor:not-allowed}.pi-quiz__cta:focus-visible{outline:2px solid var(--brass-500);outline-offset:2px}.pi-quiz__cta--ghost{color:var(--ink-800);border:1px solid var(--paper-line);background:0 0;margin-top:10px}.pi-quiz__cta--ghost:hover:not(:disabled){background:var(--paper-200)}.pi-quiz__playing{padding:28px 40px 40px}.pi-quiz__progressbar{background:var(--paper-line);border-radius:2px;width:100%;height:3px;margin-bottom:18px;overflow:hidden}.pi-quiz__progressbar-fill{background:linear-gradient(90deg, var(--brass-600), var(--brass-500));height:100%;transition:width .35s}.pi-quiz__meta{justify-content:space-between;align-items:baseline;margin-bottom:18px;display:flex}.pi-quiz__count{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-700);font-size:12px}.pi-quiz__score{font-family:var(--font-mono);color:var(--brass-600);font-size:12px;font-weight:600}.pi-quiz__card{animation:.25s pi-fade-in}@keyframes pi-fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.pi-quiz__tag{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--stamp-green);background:var(--stamp-green-bg);border-radius:3px;margin-right:8px;padding:4px 9px;font-size:11px;display:inline-block}.pi-quiz__article{font-family:var(--font-mono);color:var(--ink-700);opacity:.7;font-size:11px}.pi-quiz__prompt{font-family:var(--font-display);color:var(--ink-900);margin:14px 0 22px;font-size:clamp(19px,2.6vw,23px);font-weight:600;line-height:1.35}.pi-quiz__options{flex-direction:column;gap:10px;display:flex}.pi-quiz__option{text-align:left;background:var(--paper-100);border:1px solid var(--paper-line);width:100%;font-family:var(--font-body);color:var(--ink-900);cursor:pointer;border-radius:4px;align-items:flex-start;gap:12px;padding:13px 16px;font-size:14.5px;line-height:1.5;transition:border-color .15s,background .15s,transform .1s;display:flex}.pi-quiz__option:hover:not(:disabled){border-color:var(--brass-500);background:var(--paper-200)}.pi-quiz__option:focus-visible{outline:2px solid var(--brass-500);outline-offset:2px}.pi-quiz__option:disabled{cursor:default}.pi-quiz__option-letter{border:1px solid var(--paper-line);width:24px;height:24px;font-family:var(--font-mono);color:var(--ink-700);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.pi-quiz__option.is-selected{border-color:var(--ink-700);background:var(--paper-200)}.pi-quiz__option.is-correct{border-color:var(--stamp-green);background:var(--stamp-green-bg)}.pi-quiz__option.is-correct .pi-quiz__option-letter{border-color:var(--stamp-green);background:var(--stamp-green);color:var(--paper-100)}.pi-quiz__option.is-wrong{border-color:var(--stamp-red);background:var(--stamp-red-bg)}.pi-quiz__option.is-wrong .pi-quiz__option-letter{border-color:var(--stamp-red);background:var(--stamp-red);color:var(--paper-100)}.pi-quiz__feedback{border-left:3px solid;border-radius:4px;margin-top:18px;padding:14px 16px;font-size:13.5px;line-height:1.6}.pi-quiz__feedback.is-correct{background:var(--stamp-green-bg);border-color:var(--stamp-green);color:#1f3d34}.pi-quiz__feedback.is-wrong{background:var(--stamp-red-bg);border-color:var(--stamp-red);color:#5c1f1f}.pi-quiz__actions{margin-top:22px}.pi-quiz__result{flex-direction:column;align-items:flex-start;gap:6px;padding:40px 40px 44px;display:flex}.pi-quiz__result-score{font-family:var(--font-display);color:var(--ink-900);margin-top:10px;font-size:clamp(48px,9vw,72px);font-weight:700;line-height:1}.pi-quiz__result-score span{color:var(--ink-700);opacity:.6;font-size:.4em;font-weight:500}.pi-quiz__result-label{color:var(--ink-700);margin:6px 0 22px;font-size:14.5px}.pi-quiz__breakdown{border-top:1px solid var(--paper-line);width:100%;margin-bottom:28px}.pi-quiz__breakdown-row{border-bottom:1px solid var(--paper-line);color:var(--ink-800);justify-content:space-between;padding:11px 2px;font-size:13.5px;display:flex}.pi-quiz__breakdown-row span:last-child{font-family:var(--font-mono);color:var(--brass-600);font-weight:600}.pi-quiz__result .pi-quiz__cta{width:100%}@media (width<=560px){.pi-quiz__masthead,.pi-quiz__intro,.pi-quiz__playing,.pi-quiz__result{padding-left:22px;padding-right:22px}.pi-quiz__categories{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.pi-quiz__card{animation:none}.pi-quiz__cta,.pi-quiz__option{transition:none}}