.kv-quiz-wrap { background: #f4f9ff; }
.kv-quiz-card { background:#fff; border-radius:20px; padding:28px; box-shadow:0 12px 40px rgba(11,47,91,.08); }
.kv-quiz-hero .kv-quiz-heading { font-size:2rem; margin:.5rem 0 1rem; color:#0b2f5b; }
.kv-quiz-subtitle { color:#425466; font-size:1.05rem; }
.kv-quiz-badge { display:inline-flex; gap:.4rem; align-items:center; background:#eaf4ff; color:#0a66c2; padding:.4rem .75rem; border-radius:999px; font-weight:600; font-size:.9rem; }
.kv-quiz-meta { display:flex; flex-wrap:wrap; gap:12px 20px; margin:18px 0 22px; color:#243b53; }
.kv-quiz-visual img { border-radius:16px; width:100%; height:100%; object-fit:cover; min-height:260px; }
.kv-quiz-btn { border:0; border-radius:12px; padding:12px 18px; font-weight:600; transition:.2s ease; cursor:pointer; }
.kv-quiz-btn-primary { background:#0a66c2; color:#fff; }
.kv-quiz-btn-primary:hover { background:#084e96; color:#fff; }
.kv-quiz-btn-secondary { background:#e9eef5; color:#243b53; }
.kv-quiz-btn-secondary:hover { background:#dde5ef; }
.kv-quiz-btn:disabled { opacity:.55; cursor:not-allowed; }
.kv-quiz-topbar { display:flex; justify-content:space-between; gap:16px; align-items:flex-start; margin-bottom:18px; }
.kv-quiz-counter { font-weight:700; color:#0b2f5b; margin-bottom:8px; }
.kv-quiz-progress { height:10px; background:#e8eef6; border-radius:999px; overflow:hidden; width:min(420px,100%); }
.kv-quiz-progress-bar { height:100%; width:0; background:linear-gradient(90deg,#0a66c2,#22c55e); transition:width .25s ease; }
.kv-quiz-chip { background:#f0f6ff; color:#0a66c2; border-radius:999px; padding:6px 12px; font-size:.85rem; font-weight:600; white-space:nowrap; }
.kv-quiz-question { font-size:1.45rem; color:#102a43; margin:10px 0 18px; line-height:1.4; }
.kv-quiz-options { display:grid; gap:12px; }
.kv-quiz-option { border:2px solid #e3eaf3; border-radius:14px; padding:14px 16px; background:#fff; text-align:left; cursor:pointer; transition:.15s ease; display:flex; gap:12px; align-items:flex-start; }
.kv-quiz-option:hover { border-color:#9ec5f5; background:#f8fbff; }
.kv-quiz-option.selected { border-color:#0a66c2; background:#eef6ff; box-shadow:0 0 0 3px rgba(10,102,194,.12); }
.kv-quiz-option .letter { width:30px; height:30px; border-radius:50%; background:#eef3f9; color:#0b2f5b; display:inline-flex; align-items:center; justify-content:center; font-weight:700; flex:0 0 30px; }
.kv-quiz-option.selected .letter { background:#0a66c2; color:#fff; }
.kv-quiz-actions { display:flex; justify-content:space-between; gap:12px; margin-top:22px; flex-wrap:wrap; }
.kv-quiz-error { color:#b42318; background:#fef3f2; border:1px solid #fecdca; padding:10px 12px; border-radius:10px; margin-top:12px; }
.kv-quiz-loading { display:flex; align-items:center; justify-content:center; gap:10px; padding:30px; color:#334e68; }
.kv-quiz-modal .modal-content { border-radius:18px; }
.kv-quiz-modal .form-control { border-radius:10px; padding:.7rem .85rem; }
.kv-result-summary { display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:12px; margin:18px 0; }
.kv-result-stat { background:#f7faff; border:1px solid #e5eef9; border-radius:14px; padding:14px; }
.kv-result-stat .label { font-size:.85rem; color:#486581; }
.kv-result-stat .value { font-size:1.4rem; font-weight:800; color:#0b2f5b; }
.kv-level { display:inline-block; background:#eafaf1; color:#166534; font-weight:700; padding:6px 12px; border-radius:999px; }
.kv-review { margin-top:22px; display:grid; gap:12px; }
.kv-review-item { border:1px solid #e6edf5; border-radius:14px; padding:14px; }
.kv-review-item.correct { border-color:#b7ebc6; background:#f6fff8; }
.kv-review-item.incorrect { border-color:#ffd5d2; background:#fff8f7; }
.kv-review-q { font-weight:700; color:#102a43; margin-bottom:8px; }
.kv-review-meta { font-size:.9rem; color:#334e68; }
.kv-cta-box { margin-top:24px; padding:20px; border-radius:16px; background:linear-gradient(135deg,#0a66c2,#0b2f5b); color:#fff; }
.kv-cta-box h3 { color:#fff; margin-bottom:8px; }
.kv-cta-box p { color:rgba(255,255,255,.92); }
.kv-cta-box .kv-quiz-btn { background:#fff; color:#0b2f5b; }
.kv-quiz-app{padding: 40px;}
@media (max-width: 767.98px) {
  .kv-quiz-card { padding:18px; border-radius:16px; }
  .kv-quiz-question { font-size:1.2rem; }
  .kv-quiz-topbar { flex-direction:column; }
  .kv-quiz-actions { flex-direction:column-reverse; }
  .kv-quiz-actions .kv-quiz-btn { width:100%; }
}