.bhv-app,.bhv-box{max-width:1180px;margin:24px auto;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#172033}.bhv-header{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#f5f7fb;border:1px solid #dfe6f2;border-radius:18px;padding:24px;margin-bottom:16px}.bhv-header h1{margin:0 0 6px;font-size:34px}.bhv-header p{margin:0}.bhv-progress{min-width:150px;text-align:center;background:#fff;border-radius:14px;padding:14px;box-shadow:0 1px 8px rgba(0,0,0,.06)}.bhv-progress strong{display:block;font-size:28px}.bhv-progress span{font-size:13px}.bhv-warning{background:#fff8e5;border:1px solid #f0d78a;border-radius:12px;padding:12px 16px;margin-bottom:16px}.bhv-layout{display:grid;grid-template-columns:280px 1fr;gap:22px}.bhv-sidebar{position:sticky;top:20px;align-self:start}.bhv-nav-btn{display:block;width:100%;text-align:left;margin-bottom:8px;border:1px solid #d8deea;background:#fff;border-radius:10px;padding:12px;cursor:pointer}.bhv-nav-btn.active{border-color:#172033;font-weight:700}.bhv-nav-btn.done:after{content:' ✓';font-weight:700}.bhv-nav-btn.locked{opacity:.55}.bhv-main h2{font-size:28px;margin-top:0}.bhv-meta{color:#556070}.bhv-card,.bhv-question{background:#fff;border:1px solid #dfe6f2;border-radius:14px;padding:18px;margin-bottom:14px;box-shadow:0 1px 8px rgba(0,0,0,.035)}.bhv-card h3{margin-top:0}.bhv-question label{display:block;margin:8px 0;padding:8px 10px;border-radius:8px;background:#f7f8fb}.bhv-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:22px 0}.bhv-btn{display:inline-block;border:0;border-radius:10px;background:#172033;color:white!important;text-decoration:none;padding:12px 16px;font-weight:700;cursor:pointer}.bhv-btn.secondary{background:#44546a}.bhv-feedback{margin-top:10px;padding:10px;border-radius:8px}.bhv-feedback.ok{background:#e8f6ed}.bhv-feedback.bad{background:#fdecec}.bhv-certificate{max-width:980px;margin:24px auto;text-align:center}.bhv-cert-inner{border:12px solid #d8bb73;padding:56px 42px;background:#fffdf7}.bhv-cert-inner h1{font-size:44px;margin:0 0 10px}.bhv-cert-inner h2{font-size:30px}.bhv-cert-inner h3{font-size:36px;margin:18px 0}.bhv-cert-note{font-size:13px;color:#555;margin-top:32px}@media(max-width:800px){.bhv-layout{grid-template-columns:1fr}.bhv-sidebar{position:static}.bhv-header{display:block}.bhv-progress{margin-top:12px}.bhv-cert-inner{padding:28px 18px}.bhv-cert-inner h1{font-size:32px}}@media print{body *{visibility:hidden}.bhv-certificate,.bhv-certificate *{visibility:visible}.bhv-certificate{position:absolute;left:0;top:0;width:100%}.bhv-btn{display:none}}