.lesson-actions{display:flex;gap:7px;align-items:center;margin-top:8px}.lesson-modal{position:fixed;inset:0;z-index:100;background:rgba(12,25,32,.58);display:none;align-items:flex-start;justify-content:center;padding:24px 12px;overflow:auto}.lesson-modal.open{display:flex}.lesson-modal-box{width:min(900px,100%);background:#fff;border-radius:18px;box-shadow:0 30px 90px rgba(0,0,0,.28);overflow:hidden}.lesson-modal-head{position:sticky;top:0;z-index:2;background:#fff;border-bottom:1px solid var(--line);padding:13px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px}.lesson-modal-body{padding:18px}.lesson-modal-body h3{margin:20px 0 8px}.lesson-modal-body ul{line-height:1.55}.source-box{padding:11px 13px;border-radius:10px;background:#fff6e6;border-left:4px solid #b7791f;font-size:13px;line-height:1.45}.quiz-panel{margin-top:14px}.quiz-question{border:1px solid var(--line);border-radius:12px;padding:12px;margin:9px 0}.quiz-question.correct{background:#eaf6ef}.quiz-question.wrong{background:#fff0f1}.quiz-option{display:flex;gap:8px;padding:6px;border-radius:8px}.quiz-option:hover{background:#f3f7f8}.admin-item{padding:9px 0;border-bottom:1px solid var(--line)}.admin-item:last-child{border:0}.admin-now{font-weight:850;color:var(--warn)}.adaptive{border-left:4px solid var(--brand2)}.material-links{display:flex;gap:8px;flex-wrap:wrap}.material-links a{text-decoration:none}.v2-badge{font-size:10px;background:#fff;color:var(--brand);border:1px solid #cfe2e4;border-radius:999px;padding:3px 6px;font-weight:900}.course-source{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.course-source .tag{font-size:10px}.v2-quiz-result{font-size:28px;font-weight:900;letter-spacing:-.03em}.v2-quiz-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}@media(max-width:520px){.lesson-modal{padding:8px}.lesson-modal-box{border-radius:14px}.lesson-modal-body{padding:14px}}