body{font-family:Open sans,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;margin:0;padding:1.5rem;background:#f5f5f5}.page{max-width:1100px;margin:0 auto;background:#fff;border-radius:8px;padding:1.5rem 2rem;box-shadow:0 2px 6px #00000014}header{border-bottom:1px solid #e5e5e5;margin-bottom:1.5rem;padding-bottom:.75rem}h1{font-size:1.6rem;margin:0}.lesson-meta{font-size:1rem;color:#555;margin-top:.5rem}.filters{display:flex;gap:1rem;align-items:center;margin:1rem 0 1.5rem;flex-wrap:wrap}.filters label{font-size:1rem}.question-list{display:flex;flex-direction:column;gap:1rem}.question-card{border:1px solid #e0e0e0;border-radius:8px;padding:1rem 1.25rem;background:#fafafa}.question-header{display:flex;justify-content:space-between;gap:.75rem;margin-bottom:.5rem;font-size:.85rem;color:#555}.question-section{font-weight:600}.question-type{font-style:italic}.question-stem{margin:.4rem 0 .6rem;font-weight:500}.greek{font-family:Palatino Linotype,"DejaVu Serif",serif;font-size:.95rem;color:#333;margin-bottom:.5rem}.options{list-style:none;padding-left:0;margin:.25rem 0 .5rem}.options li{margin:.15rem 0}.answer-input{margin:.25rem 0 .5rem}.explanation{font-size:.85rem;color:#555;margin-top:.4rem;border-top:1px dashed #ddd;padding-top:.4rem}.badge{display:inline-block;padding:.1rem .45rem;border-radius:999px;font-size:.75rem;border:1px solid #ddd;background:#fff;margin-right:.25rem}.badge-skill{background:#eef4ff;border-color:#c5d3ff}.badge-difficulty{background:#f1f8e9;border-color:#c5e1a5}.small{font-size:.8rem}.hidden{display:none!important}.btn-toggle-explanation{border:none;background:none;color:#2962ff;font-size:.8rem;cursor:pointer;padding:0}.btn-toggle-explanation:hover{text-decoration:underline}.btn-check{border:1px solid #ccc;background:#fff;border-radius:999px;font-size:.8rem;padding:.2rem .8rem;cursor:pointer;margin-top:.5rem}.btn-check:hover{background:#f0f0f0}.check-result{margin-top:.5rem;font-size:.85rem;border-top:1px dashed #ddd;padding-top:.5rem}.question-card.card-correct{border-color:#c5e1a5;background:#f1f8e9}.question-card.card-incorrect{border-color:#ef9a9a;background:#ffebee}.greek-blue{color:#1e40af;font-family:Times new roman,Open Sans!important;font-size:17px}.badge,.badge-skill,.badge-difficulty{display:none!important}