@import "https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700;900&display=swap";:root{--cvi-focus:#9a82db;--cvi-border:#cddae6;--cvi-surface:#fff;--primary-50:#929292;--cvi-text:#111;--cvi-text-dark:#000;--feedback-success:#4dc14d;--feedback-error:#dc1919;--page-bg:#fff;--dot-color:var(--primary-50);--dot-size:1px;--dot-gap:35px;--display-size:3.75rem;--display-line:4.375rem;--title-1-size:2.5rem;--title-1-line:2.8125rem;--title-2-size:1.875rem;--title-2-line:2.1875rem;--title-3-size:1.375rem;--title-3-line:1.75rem;color:var(--cvi-text);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Roboto,Segoe UI,Arial,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html{font-size:100%}html,body,#root{min-height:100%}body{background-color:var(--page-bg);background-image:radial-gradient(circle, var(--dot-color) var(--dot-size), transparent var(--dot-size));background-size:var(--dot-gap) var(--dot-gap);margin:0}h1,h2,h3{color:var(--cvi-text-dark);letter-spacing:-.01em;font-family:Roboto,Segoe UI,Arial,sans-serif}h1[data-type=display]{font-size:var(--display-size);line-height:var(--display-line);font-weight:700}h1{font-size:var(--title-1-size);line-height:var(--title-1-line);font-weight:700}h2{font-size:var(--title-2-size);line-height:var(--title-2-line);font-weight:700}h3{font-size:var(--title-3-size);line-height:var(--title-3-line);font-weight:700}.app-shell{place-items:center;min-height:100svh;padding:2.5rem 1rem;display:grid}.quiz-card{border:1px solid var(--cvi-border);background:var(--cvi-surface);width:min(780px,100%);padding:clamp(1.2rem,2.4vw,2.2rem);box-shadow:0 12px 30px #0025491a}h1{margin:.5rem 0 1rem}.header-subtitle{margin:.2rem 0 1rem}.progress{margin:2rem 0 .2rem}.score,.message{margin:0}.score{color:var(--cvi-text-dark);margin-bottom:.5rem;font-size:1.2rem;font-weight:700}.message{margin-bottom:1.2rem}h2{margin:0;font-size:clamp(1.15rem,1.7vw,1.35rem)}.options{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1rem;display:grid}.option-button{border:1px solid var(--cvi-border);color:var(--cvi-text-dark);text-align:left;cursor:pointer;background:#fff;border-radius:0;align-items:center;gap:.9rem;padding:1rem 1.15rem;font-size:1.05rem;font-weight:400;transition:border-color .16s,transform .12s,background .16s,box-shadow .16s;display:flex}.option-button:hover:not(:disabled){background:#f8f8f8;border-color:#b8b8b8}.option-button:focus-visible,.next-button:focus-visible{outline:3px solid var(--cvi-focus);outline-offset:2px}.option-button:active:not(:disabled){transform:translateY(1px)}.option-selected-correct{border-color:var(--feedback-success);background:#fff}.option-selected-wrong{border-color:var(--feedback-error);background:#fff}.option-marker{border:1px solid #111;border-radius:999px;flex-shrink:0;place-items:center;width:30px;height:30px;display:inline-grid}.option-marker-correct{border-color:var(--feedback-success);background:var(--feedback-success)}.option-marker-wrong{border-color:var(--feedback-error);color:var(--feedback-error)}.check-icon{width:18px;height:18px;display:block}.option-marker-correct .check-icon{color:#fff}.option-marker-symbol{font-size:1.15rem;font-weight:900;line-height:1}.option-label{line-height:1.25}.option-button:disabled{cursor:default}.feedback-slot{min-height:74px;margin-top:1rem}.feedback-correct,.feedback-wrong{border:1px solid;border-left-width:14px;border-radius:0;align-items:center;gap:.9rem;margin:0;padding:1rem;font-weight:500;line-height:1.35;display:flex}.feedback-correct{border:1px solid var(--feedback-success);border-left-width:10px}.feedback-wrong{border:1px solid var(--feedback-error);border-left-width:14px}.actions{justify-content:flex-end;display:flex}.next-button{color:#fff;cursor:pointer;background:#000;border:2px solid #000;border-radius:0;padding:.8rem 1.2rem;font-size:.98rem;font-weight:900;transition:background-color .14s,color .14s,transform .12s,box-shadow .12s}.next-button:hover:not(:disabled){color:#000;background:#fff}.next-button:focus-visible{color:#fff;background:#000;outline:none;box-shadow:0 0 0 3px #9f8be9}.next-button:active:not(:disabled){color:#000;background:#fff;transform:translateY(1px)}.next-button:disabled{cursor:not-allowed;opacity:.4}.table-wrapper{margin-top:1rem;margin-bottom:2rem;overflow-x:auto}.results-table{border-collapse:collapse;table-layout:fixed;background:#fff;border:1px solid #d0d0d0;width:100%;font-size:.95rem}.results-table th,.results-table td{text-align:left;vertical-align:middle;color:#111;border-bottom:1px solid #d0d0d0;border-right:1px solid #d0d0d0;padding:.38rem .75rem}.results-table th:last-child,.results-table td:last-child{border-right:0}.results-table th{white-space:nowrap;background:#efefef;font-weight:700}.status{font-size:inherit;border-radius:0;padding:0;display:inline}.status-correct{background:0 0}.status-wrong{color:var(--feedback-error);background:0 0}@media (width<=700px){.options{grid-template-columns:1fr;gap:.75rem}.quiz-card{padding:1rem}.actions{justify-content:stretch}.next-button{width:100%}}