.quiz-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;padding:20px}.quiz-card{display:flex;flex-direction:column;justify-content:space-between;height:100%;padding:20px;border:1px solid #ccc;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,0.1);margin-bottom:20px;background:rgba(255,255,255,0.98)}.quiz-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px rgba(0,0,0,0.2)}.quiz-card h2{color:#2c3e50;font-size:1.5rem;margin-bottom:15px;font-weight:600}.quiz-description{color:#4a5568;font-size:1rem;line-height:1.5;margin-bottom:20px;margin-top:10px}.start-button{display:block;width:100%;text-align:center;padding:10px;background-color:#0056B3;color:white;text-decoration:none;border-radius:4px;transition:background-color 0.3s}.start-button:hover{background-color:#0056b3}.quiz-progress{margin-top:1rem;width:100%}.quiz-progress-bar{width:100%;height:6px;background-color:#e9ecef;border-radius:10px;overflow:hidden;margin-bottom:0.5rem}.quiz-progress-fill{height:100%;background:linear-gradient(90deg,#007bff,#2980b9);width:0%;transition:width 0.4s ease-in-out;border-radius:10px}.quiz-progress-text{display:flex;justify-content:space-between;font-size:0.9rem;color:#666}.progress-score{color:#155C8E;font-weight:600}.intro-text{font-size:1.1rem;line-height:1.6;color:#4a5568;margin-bottom:1rem}.quiz-categories h2{font-size:1.8rem;color:#2c3e50;margin-bottom:1.5rem;font-weight:600}.quiz-footer{margin-top:auto}@media screen and (max-width:768px){.container h1{font-size:1.5rem;line-height:1.3;margin-bottom:1rem}.container>p{font-size:0.95rem;margin-bottom:1.5rem}.quiz-grid{gap:20px;padding:10px}.intro-text{font-size:1rem;margin-bottom:1.5rem}.quiz-categories h2{font-size:1.4rem;margin-bottom:1rem}}@media screen and (max-width:480px){.container h1{font-size:1.3rem}}.exam-banner{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#0056B3 0%,#2980b9 100%);color:#fff;border-radius:12px;padding:24px 28px;margin:24px 0;box-shadow:0 6px 16px rgba(0,86,179,0.18)}.exam-banner-content{flex:1;min-width:260px}.exam-banner-badge{display:inline-block;background:rgba(255,255,255,0.2);color:#fff;font-size:0.75rem;font-weight:700;letter-spacing:0.04em;padding:3px 10px;border-radius:12px;margin-bottom:8px}.exam-banner h2{color:#fff;margin:0 0 8px;font-size:1.4rem;line-height:1.3}.exam-banner p{margin:0;line-height:1.5;color:rgba(255,255,255,0.95)}.exam-banner-cta{display:inline-block;background:#fff;color:#0056B3;padding:14px 26px;border-radius:8px;font-weight:700;text-decoration:none;transition:transform 0.15s,box-shadow 0.2s;white-space:nowrap}.exam-banner-cta:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(0,0,0,0.2)}.exam-banner--alt{background:linear-gradient(135deg,#6f42c1 0%,#9b59b6 100%);box-shadow:0 6px 16px rgba(111,66,193,0.18)}.exam-banner--alt .exam-banner-cta{color:#6f42c1}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hide{display:none!important}.exam-start{background:rgba(255,255,255,0.98);border:1px solid #ccc;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.08);padding:32px;margin-top:24px}.exam-start-inner{max-width:680px;margin:0 auto;text-align:center}.exam-start h2{color:#0056B3;margin-bottom:16px}.exam-rules{text-align:left;margin:24px 0;padding-left:24px;line-height:1.7;color:#4a5568}.exam-rules strong{color:#2c3e50}.exam-disclaimer{font-size:0.9rem;color:#6c757d;font-style:italic;margin-top:16px}.exam-cta{display:inline-block;padding:12px 24px;border:none;border-radius:6px;font-size:1rem;font-weight:600;text-decoration:none;cursor:pointer;transition:background-color 0.2s,transform 0.15s,box-shadow 0.2s}.exam-cta--primary{background-color:#0056B3;color:#fff;font-size:1.1rem;padding:14px 32px}.exam-cta--primary:hover{background-color:#003d80;transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,86,179,0.25)}.exam-cta--secondary{background-color:#f1f3f5;color:#2c3e50;border:1px solid #ced4da}.exam-cta--secondary:hover:not(:disabled){background-color:#e9ecef}.exam-cta--secondary:disabled{opacity:0.4;cursor:not-allowed}.exam-cta--submit{background-color:#c0392b;color:#fff}.exam-cta--submit:hover{background-color:#962d22}.exam-toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;background:#fff;border:1px solid #e3e6ea;border-radius:8px;padding:12px 16px;margin:16px 0;box-shadow:0 2px 8px rgba(0,0,0,0.06)}.exam-timer{display:inline-flex;align-items:center;gap:8px;font-size:1.6rem;font-weight:700;font-variant-numeric:tabular-nums;color:#0056B3;background:#eef4fc;padding:6px 14px;border-radius:6px}.exam-timer--urgent{color:#c0392b;background:#fdecea;animation:exam-pulse 1s infinite}@keyframes exam-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}.exam-counter{color:#4a5568;font-size:1rem}.exam-counter strong{color:#2c3e50;font-size:1.1rem}.exam-progress{width:100%;height:6px;background:#e9ecef;border-radius:10px;overflow:hidden;margin-bottom:16px}.exam-progress-fill{height:100%;width:0;background:linear-gradient(90deg,#007bff,#2980b9);transition:width 0.4s ease-in-out;border-radius:10px}.exam-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:6px;margin-bottom:24px}.exam-grid-cell{width:100%;aspect-ratio:1 / 1;border:1px solid #ced4da;background:#fff;border-radius:6px;font-size:0.85rem;font-weight:600;color:#4a5568;cursor:pointer;transition:background-color 0.15s,border-color 0.15s}.exam-grid-cell:hover{background:#e9ecef}.exam-grid-cell.answered{background:#d4edda;border-color:#28a745;color:#1e7e34}.exam-grid-cell.current{outline:2px solid #0056B3;outline-offset:1px}.exam-question-block{background:#fff;border:1px solid #e3e6ea;border-radius:12px;padding:24px;margin-bottom:16px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}.exam-theme{display:inline-block;background:#eef4fc;color:#0056B3;font-size:0.85rem;font-weight:600;padding:4px 10px;border-radius:4px;margin-bottom:12px}.exam-question{font-size:1.3rem;color:#2c3e50;margin:0 0 20px;line-height:1.4}.exam-choices{display:flex;flex-direction:column;gap:10px}.exam-choice{display:block;width:100%;text-align:left;background:#f8f9fa;border:2px solid #dee2e6;border-radius:6px;padding:12px 16px;font-size:1rem;color:#2c3e50;cursor:pointer;transition:background-color 0.15s,border-color 0.15s}.exam-choice:hover{background:#e9ecef;border-color:#adb5bd}.exam-choice.selected{background:#d6e4f5;border-color:#0056B3;color:#003d80}.exam-nav{display:flex;gap:12px;justify-content:space-between}.exam-results{margin-top:24px}.exam-results h2{color:#0056B3}.exam-results-summary{display:flex;gap:32px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid #e3e6ea;border-radius:12px;padding:24px;margin:16px 0 32px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}.exam-results-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;flex:1;min-width:240px}.exam-results-stats .stat{display:flex;flex-direction:column;gap:4px}.exam-results-stats .stat-label{font-size:0.85rem;color:#6c757d}.exam-results-stats .stat strong{font-size:1.2rem;color:#2c3e50}.verdict-good{color:#1e7e34!important}.verdict-ok{color:#b3801f!important}.verdict-low{color:#c0392b!important}.exam-themes{display:flex;flex-direction:column;gap:12px;margin:16px 0 32px}.exam-theme-row{background:#fff;border:1px solid #e3e6ea;border-radius:8px;padding:12px 16px}.exam-theme-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}.exam-theme-head h4{margin:0;font-size:1.05rem;color:#2c3e50}.exam-theme-score{font-weight:600;color:#0056B3}.exam-theme-bar{background:#e9ecef;border-radius:10px;overflow:hidden;height:6px;margin:8px 0}.exam-theme-bar-fill{background:linear-gradient(90deg,#007bff,#2980b9);height:100%;border-radius:10px}.exam-theme-link{font-size:0.9rem;color:#0056B3;text-decoration:none}.exam-theme-link:hover{text-decoration:underline}.exam-correction{padding-left:0;list-style:none;counter-reset:corr;display:flex;flex-direction:column;gap:16px}.exam-correction-item{background:#fff;border:1px solid #e3e6ea;border-left:4px solid #6c757d;border-radius:8px;padding:16px 20px;counter-increment:corr}.exam-correction-item.is-correct{border-left-color:#28a745}.exam-correction-item.is-wrong{border-left-color:#c0392b}.exam-correction-question{font-weight:600;color:#2c3e50;margin-bottom:8px}.exam-correction-question::before{content:counter(corr) ". ";color:#6c757d}.exam-correction-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:0.85rem;margin-bottom:8px}.exam-correction-theme{color:#0056B3;background:#eef4fc;padding:2px 8px;border-radius:4px}.exam-correction-status{font-weight:600}.exam-correction-answers{color:#4a5568;margin-bottom:8px;line-height:1.5}.exam-correction-answers>div + div{margin-top:4px}.exam-correction-explanation{background:#f8f9fa;border-radius:6px;padding:10px 12px;margin:0;color:#2c3e50;font-size:0.95rem;line-height:1.5}.exam-results-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}.popup-actions{display:flex;gap:12px;justify-content:center;margin-top:12px}.popup-button--ghost{background:#f1f3f5;color:#2c3e50}.popup-button--ghost:hover{background:#e9ecef}@media (max-width:640px){.exam-toolbar{flex-direction:column;align-items:stretch}.exam-timer{justify-content:center;font-size:1.4rem}.exam-counter{text-align:center}.exam-results-stats{grid-template-columns:1fr}}