:root{--primary-color:#2b7a4b;--primary-dark:#1e5631;--secondary-color:#88b04b;--bg-color:#f4f7f4;--card-bg:#fff;--text-color:#2c3e50;--text-muted:#666;--border-radius:12px;--shadow:0 4px 16px #00000014;color:var(--text-color);background-color:var(--bg-color);font-family:Open Sans,system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{flex-direction:column;justify-content:space-between;min-height:100vh;line-height:1.6;display:flex}header{background:var(--primary-dark);color:#fff;text-align:center;padding:1.5rem 2rem;box-shadow:0 2px 8px #0000001a}header h1{margin-bottom:.25rem;font-size:1.8rem}header p{opacity:.9;font-size:.95rem}main{flex:1;width:100%;max-width:800px;margin:2rem auto;padding:0 1rem}.card{background:var(--card-bg);border-radius:var(--border-radius);box-shadow:var(--shadow);margin-bottom:2rem;padding:2.5rem}.btn{background:var(--primary-color);color:#fff;cursor:pointer;border:2px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:background .2s,transform .1s;display:inline-flex}.btn:hover{background:var(--primary-dark)}.btn:active{transform:scale(.98)}.btn-secondary{color:var(--text-color);background:#e2e8f0}.btn-secondary:hover{background:#cbd5e1}.btn-danger{background:#dc2626}.btn-danger:hover{background:#b91c1c}.btn-success{background:#16a34a}.btn-success:hover{background:#15803d}.quiz-container h2{color:var(--primary-dark);margin-bottom:1rem;font-size:1.5rem}.progress-bar{background:#e2e8f0;border-radius:4px;width:100%;height:8px;margin-bottom:1.5rem;overflow:hidden}.progress-fill{background:var(--secondary-color);width:0%;height:100%;transition:width .3s}.question-meta{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;font-size:.85rem}.question-text{margin-bottom:1.5rem;font-size:1.3rem;font-weight:600}.options-grid{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem;display:grid}@media (width<=600px){.options-grid{grid-template-columns:1fr}}.option-btn{color:var(--text-color);cursor:pointer;text-align:center;background:#f8fafc;border:2px solid #cbd5e1;border-radius:8px;padding:1rem;font-size:1.05rem;font-weight:600;transition:all .2s}.option-btn:hover:not(:disabled){border-color:var(--primary-color);background:#f0fdf4}.option-btn.correct{color:#166534!important;background:#dcfce7!important;border-color:#16a34a!important}.option-btn.incorrect{color:#991b1b!important;background:#fee2e2!important;border-color:#dc2626!important}.feedback-box{border-left:4px solid var(--primary-color);background:#f8fafc;border-radius:4px;margin-bottom:1.5rem;padding:1rem;font-size:.95rem}.feedback-box.correct-feedback{background:#f0fdf4;border-color:#16a34a}.feedback-box.incorrect-feedback{background:#fef2f2;border-color:#dc2626}.catalog-section{margin-top:3rem}.catalog-search{border:1px solid #cbd5e1;border-radius:8px;width:100%;margin-bottom:1rem;padding:.75rem 1rem;font-size:1rem}.catalog-list{flex-direction:column;gap:.75rem;max-height:400px;display:flex;overflow-y:auto}.catalog-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:1rem}.catalog-item h4{color:var(--primary-dark);margin-bottom:.25rem;font-size:1.05rem}.catalog-item p{color:var(--text-muted);font-size:.9rem}.badge{border-radius:4px;margin-top:.5rem;padding:.25rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.badge-yes{color:#166534;background:#dcfce7}.badge-no{color:#991b1b;background:#fee2e2}footer{color:#94a3b8;text-align:center;background:#1e293b;padding:1.5rem;font-size:.85rem}footer a{color:#38bdf8;text-decoration:none}footer a:hover{text-decoration:underline}.tekst-card{text-align:justify}.tekst-card p{margin-bottom:1rem;line-height:1.6}.tekst-card p:last-child{margin-bottom:0}.btn-correct-answer{color:var(--primary-dark)!important;border:2px solid var(--primary-color)!important;background:#e2e8f0!important;font-weight:700!important}.catalog-btn{align-items:center;gap:0;padding:.6rem .9rem;display:inline-flex}.catalog-btn:after{content:"↗";font-size:.85em}@keyframes correct-bounce{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}.anim-correct{animation:.3s correct-bounce}.anim-incorrect{animation:.3s shake}