#quiz-app-root{--nt-primary:#58cc02;--nt-primary-dark:#43a302;--nt-accent:#1cb0f6;--nt-warn:#ffb020;--nt-success:#0ea561;--nt-error:#e5484d;--nt-bg:linear-gradient(180deg, #eff6ff 0%, #f8fafc 45%, #f6fff4 100%);--nt-card-bg:#ffffff;--nt-text-main:#111827;--nt-text-muted:#5b6474;--nt-border:#dbe4ef;--nt-radius:8px;--nt-fast:160ms;--nt-soft-shadow:0 16px 32px rgba(16, 24, 40, 0.08);font-family:"Inter",sans-serif!important;background:var(--nt-bg);color:var(--nt-text-main);padding:14px 12px 20px;box-sizing:border-box!important;position:relative;font-size:15px}#quiz-app-root *{box-sizing:border-box!important}#quiz-app-root,#quiz-app-root *{font-family:"Inter",sans-serif!important;letter-spacing:0!important}#quiz-app-root h1,#quiz-app-root h2,#quiz-app-root h3,#quiz-app-root p,#quiz-app-root span,#quiz-app-root button,#quiz-app-root label,#quiz-app-root input{text-transform:none!important}#quiz-app-root .nu-shell{width:min(100%, 540px);margin:0 auto}#quiz-app-root .nu-screen{opacity:1}#quiz-app-root .nu-screen-enter{animation:nu-slide-up 360ms ease both}#quiz-app-root .card{background:var(--nt-card-bg);border-radius:var(--nt-radius);padding:18px 16px;box-shadow:var(--nt-soft-shadow);border:1px solid var(--nt-border);margin-bottom:16px;color:var(--nt-text-main)!important;background-clip:padding-box}#quiz-app-root .hidden{display:none!important}#quiz-app-root .btn{appearance:none;border:none;border-radius:999px;font-size:14px!important;line-height:1;font-weight:700!important;letter-spacing:0;min-height:48px!important;padding:0 18px;cursor:pointer;transition:transform var(--nt-fast) ease,box-shadow var(--nt-fast) ease,filter var(--nt-fast) ease,opacity var(--nt-fast) ease;box-shadow:0 10px 22px rgb(17 24 39 / .12);text-transform:none!important}#quiz-app-root .btn:disabled{opacity:.62;cursor:not-allowed;box-shadow:none}#quiz-app-root .btn:not(:disabled):active{transform:translateY(1px) scale(.99)}#quiz-app-root .btn-primary{background:linear-gradient(180deg,#6ddf16 0%,var(--nt-primary) 100%);color:#fff}#quiz-app-root .btn-primary:not(:disabled):hover{box-shadow:0 14px 28px rgb(67 163 2 / .3);filter:brightness(1.02)}#quiz-app-root .btn-secondary{background:#eaf6ff;color:#065f8f}#quiz-app-root .btn-success{background:#25d366;color:#fff}#quiz-app-root .btn-ghost{background:#f8fafc;color:#364152;border:1px solid var(--nt-border);box-shadow:none}#quiz-app-root .btn-wide{width:100%}#quiz-app-root input[type="text"],#quiz-app-root input[type="email"]{width:100%;min-height:46px;padding:12px 14px;border:1px solid #ced8e4;border-radius:10px;margin:6px 0 12px;font-size:15px;color:var(--nt-text-main);background:#fff;transition:border-color var(--nt-fast) ease,box-shadow var(--nt-fast) ease}#quiz-app-root input[type="text"]:focus,#quiz-app-root input[type="email"]:focus{outline:none;border-color:var(--nt-accent);box-shadow:0 0 0 4px rgb(28 176 246 / .15)}#quiz-app-root .nu-eyebrow{font-size:12px;text-transform:uppercase!important;color:#4f46e5;font-weight:800;margin-bottom:8px}#quiz-app-root .nu-title{margin:0 0 4px;font-size:25px;line-height:1.2}#quiz-app-root .nu-subtitle{margin:0 0 18px;color:var(--nt-text-muted);font-size:14px}#quiz-app-root .nu-auth-card label{font-size:12px;text-transform:uppercase!important;color:#4a5568;font-weight:800;display:block;margin-top:4px}#quiz-app-root .nu-privacy-note{margin:8px 0 16px;font-size:13px;line-height:1.45;color:#475569;background:#f8fbff;border:1px solid #dbeafe;border-radius:8px;padding:10px 12px}#quiz-app-root .nu-quiz-card{overflow:hidden}#quiz-app-root .nu-topbar{margin-bottom:16px}#quiz-app-root .nu-progress-wrap{margin-bottom:10px}#quiz-app-root #progress-bar{display:block;color:#0f766e;font-weight:800;font-size:13px;margin-bottom:8px}#quiz-app-root .nu-progress-track{width:100%;height:10px;border-radius:999px;background:#e8eef5;overflow:hidden}#quiz-app-root #nu-progress-fill{width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#1cb0f6 0%,#58cc02 100%);transition:width 260ms ease}#quiz-app-root .nu-chip-row{display:flex;flex-wrap:wrap;gap:8px}#quiz-app-root .nu-chip{font-size:12px;font-weight:800;border-radius:999px;padding:6px 10px;background:#eff6ff;color:#1e40af}#quiz-app-root .nu-chip-accent{background:#fef3c7;color:#92400e}#quiz-app-root .nu-chip-pulse{animation:nu-pulse 320ms ease}#quiz-app-root .nu-question-head{border-top:1px solid #e8eef5;border-bottom:1px solid #e8eef5;padding:12px 0;margin-bottom:14px}#quiz-app-root .nu-quiz-title{margin:0;font-size:clamp(22px, 3.8vw, 28px)!important;line-height:1.2!important;font-weight:800!important;color:#0f172a!important}#quiz-app-root .nu-course-unit{margin:6px 0 0;color:#64748b;font-size:12px;font-weight:700;letter-spacing:0;text-transform:uppercase!important}#quiz-app-root .nu-question-text{margin:0 0 10px;font-size:clamp(20px, 4vw, 26px)!important;line-height:1.25;font-weight:800!important;color:#0f172a!important;text-transform:none!important}#quiz-app-root .nu-question-hint{margin:0 0 14px;font-size:13px;color:#4b5563;transition:color var(--nt-fast) ease}#quiz-app-root .nu-question-hint-ready{color:#0369a1}#quiz-app-root .nu-question-hint-correct{color:#0f766e;font-weight:700}#quiz-app-root .nu-question-hint-wrong{color:#b45309;font-weight:700}#quiz-app-root #options-container{display:grid;gap:10px}#quiz-app-root .option-item{width:100%;text-align:left;border:1px solid #d4e2ef;border-radius:10px;background:#fff;padding:12px 12px;cursor:pointer;display:flex;align-items:flex-start;gap:10px;color:var(--nt-text-main)!important;font-size:15px!important;font-weight:600!important;line-height:1.35!important;transition:border-color var(--nt-fast) ease,background-color var(--nt-fast) ease,transform var(--nt-fast) ease,box-shadow var(--nt-fast) ease;text-transform:none!important}#quiz-app-root .option-item .option-copy{text-transform:none!important;font-size:15px!important;line-height:1.35!important;font-weight:600!important}#quiz-app-root .option-item:hover{transform:translateY(-1px);border-color:#92c5ff;box-shadow:0 8px 18px rgb(28 176 246 / .15)}#quiz-app-root .option-item .option-badge{width:24px;height:24px;min-width:24px;border-radius:999px;border:1px solid #d4e2ef;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#374151;background:#f8fafc}#quiz-app-root .option-item.selected{border-color:#77b9ff;background:#eff8ff}#quiz-app-root .option-item.selected .option-badge{background:#1cb0f6;border-color:#1cb0f6;color:#fff}#quiz-app-root .option-item.correct{border-color:#22c55e;background:#ecfdf3}#quiz-app-root .option-item.wrong{border-color:#f87171;background:#fff1f2}#quiz-app-root .nu-fill-input{margin-top:4px}#quiz-app-root .feedback{padding:14px;border-radius:10px;margin-top:14px;border:1px solid #fff0}#quiz-app-root .feedback-correct{background:#effdf5;color:#065f46;border-color:#9de7c3}#quiz-app-root .feedback-wrong{background:#fff7ed;color:#9a3412;border-color:#fed7aa}#quiz-app-root .nu-feedback-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}#quiz-app-root .nu-feedback-title{font-size:16px;font-weight:800}#quiz-app-root .nu-feedback-points{font-size:12px;font-weight:800;background:rgb(255 255 255 / .6);border-radius:999px;padding:4px 8px}#quiz-app-root .nu-feedback-line{margin:6px 0;line-height:1.45;color:#374151}#quiz-app-root .nu-feedback-label{font-weight:800;font-size:12px;letter-spacing:0;text-transform:uppercase!important;color:#6b7280}#quiz-app-root .nu-actions{margin-top:18px;padding-top:14px;border-top:1px solid #e5edf5;display:flex;justify-content:flex-end;gap:10px}#quiz-app-root .nu-results-card{text-align:center;background:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%)!important;border:1px solid #dbe7f3!important;box-shadow:0 20px 36px rgb(15 23 42 / .12)!important}#quiz-app-root .nu-result-badge{margin:0 auto 12px;width:fit-content;padding:7px 12px;border-radius:999px;background:#eaffdd;color:#3a7500;font-size:12px;font-weight:800;text-transform:uppercase!important}#quiz-app-root .nu-results-title{margin:0;font-size:30px;line-height:1.12;color:#0f172a!important}#quiz-app-root .nu-results-copy{margin:8px 0 20px;color:#64748b!important}#quiz-app-root .nu-results-grid{display:grid!important;grid-template-columns:1fr 1fr!important;gap:10px!important;margin-bottom:18px!important}#quiz-app-root .nu-stat{background:#f8fbff!important;border:1px solid #dbeafe!important;border-radius:8px!important;padding:10px!important;box-shadow:0 6px 12px rgb(15 23 42 / .05)!important}#quiz-app-root .nu-stat-label{font-size:11px;font-weight:800;text-transform:uppercase!important;color:#64748b!important}#quiz-app-root .nu-stat-value{margin-top:6px;font-size:28px;font-weight:800;line-height:1;color:#0f172a!important;text-transform:none!important}#quiz-app-root .nu-results-summary{text-align:left;margin:0 0 18px}#quiz-app-root .nu-inline-panel{border-radius:8px;border:1px solid #d9e7f5;background:#f8fbff;padding:12px;margin-bottom:10px}#quiz-app-root .nu-inline-panel h3{margin:0 0 8px;font-size:14px}#quiz-app-root .nu-inline-panel p{margin:0;color:#334155;line-height:1.5}#quiz-app-root .nu-ad-panel{text-align:center;background:#fff}#quiz-app-root .nu-ad-image{max-width:100%;height:auto;border-radius:6px;border:1px solid #e2e8f0}#quiz-app-root .nu-results-actions{display:grid;gap:10px}#quiz-app-root #nu-backup-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}#quiz-app-root .nu-browser-notice{margin-bottom:10px;padding:11px 12px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;border-radius:8px;font-size:13px;font-weight:600;line-height:1.4}@keyframes nu-slide-up{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes nu-pulse{0%{transform:scale(1)}50%{transform:scale(1.06)}100%{transform:scale(1)}}@media (max-width:480px){#quiz-app-root .card{padding:14px 12px}#quiz-app-root .nu-title,#quiz-app-root .nu-results-title{font-size:24px}#quiz-app-root .nu-question-text{font-size:20px}#quiz-app-root .nu-actions{justify-content:stretch}#quiz-app-root .nu-actions .btn{width:100%}#quiz-app-root .nu-results-grid{grid-template-columns:1fr}#quiz-app-root #nu-backup-options{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){#quiz-app-root *,#quiz-app-root *::before,#quiz-app-root *::after{animation:none!important;transition:none!important}}