.tb-course-page{z-index:30;color:#e5e9ef;background:#0b0f14;padding:48px 24px 80px;position:absolute;inset:0;overflow-y:auto}.tb-course-head{text-align:center;max-width:760px;margin:0 auto 32px}.tb-course-title{margin:0 0 8px;font-size:26px;font-weight:700}.tb-course-based-on{color:#8b97a6;margin:0 0 20px;font-size:13px}.tb-course-resume{font:inherit;color:#111;cursor:pointer;background:#fff;border:none;border-radius:999px;padding:10px 22px;font-size:14px;font-weight:600}.tb-course-resume:hover{background:#f0f0f0}.tb-course-chapter{max-width:760px;margin:0 auto 28px}.tb-course-chapter-title{color:#a8b5c5;margin:0 0 12px;font-size:15px;font-weight:600}.tb-course-lessons{flex-direction:column;gap:10px;display:flex}.tb-course-card{text-align:left;font:inherit;color:#e5e9ef;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff14;border-radius:12px;flex-direction:column;gap:6px;padding:14px 16px;transition:background .14s,border-color .14s;display:flex}.tb-course-card:hover{background:#ffffff17;border-color:#5ad8ff52}.tb-course-card.done{border-color:#5ad8ff66}.tb-course-card-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.tb-course-card-title{font-size:15px;font-weight:600}.tb-course-check{color:#5ad8ff;font-weight:700}.tb-course-card-meta{color:#8b97a6;gap:14px;font-size:12.5px;display:flex}.tb-course-footer{color:#5c6675;text-align:center;max-width:760px;margin:32px auto 0;font-size:12px}.tb-course-loading{text-align:center;color:#8b97a6}.tb-course-err{color:#ff8a8a;text-align:center;max-width:760px;margin:0 auto;font-size:13px}.tb-course-card.pending{opacity:.55;cursor:not-allowed}.tb-course-pending{color:#6b7280;border:1px solid #d1d5db;border-radius:999px;margin-left:8px;padding:1px 8px;font-size:12px}