.teacher-videos-modal{flex-direction:column;gap:16px;display:flex}.teacher-videos-tabs{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.teacher-videos-tab{color:#ffffffbf;cursor:pointer;background:#ffffff0a;border:1px solid #fcd30759;border-radius:999px;padding:6px 14px;font-size:12px;font-weight:600;transition:background .2s,color .2s,border-color .2s}.teacher-videos-tab:hover{color:#fff;border-color:#fcd30799}.teacher-videos-tab--active{color:#fcd307;background:#fcd30726;border-color:#fcd307}.teacher-videos-hero-card{background:#00000059;border:1px solid #fcd30759;border-radius:12px;overflow:hidden;box-shadow:0 0 24px #fcd30714}.teacher-videos-chip{color:#fcd307;letter-spacing:.02em;background:#fcd3071f;border-radius:999px;align-items:center;gap:4px;margin-bottom:10px;padding:4px 10px;font-size:11px;font-weight:600;display:inline-flex}.teacher-videos-demo-list{flex-direction:column;gap:12px;display:flex}.teacher-videos-demo-card{background:#ffffff08;border:1px solid #ffffff1a;border-radius:12px;transition:border-color .2s;overflow:hidden}.teacher-videos-demo-card--active{border-color:#fcd30773;box-shadow:0 0 16px #fcd3070f}.teacher-videos-demo-header{cursor:pointer;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;display:flex}.teacher-videos-demo-header:hover{background:#ffffff08}.teacher-videos-demo-title{color:#fff;font-size:13px;font-weight:600;line-height:1.3}.teacher-videos-demo-index{color:#161616;background:#fcd307;border-radius:999px;flex-shrink:0;padding:2px 8px;font-size:10px;font-weight:700}.teacher-videos-demo-player{border-top:1px solid #ffffff14}.teacher-videos-empty{text-align:center;color:#ffffff8c;border:1px dashed #ffffff26;border-radius:12px;padding:28px 16px;font-size:13px}.teacher-videos-skeleton{background:#ffffff0f;border-radius:12px;animation:1.4s ease-in-out infinite teacher-videos-pulse}.teacher-videos-skeleton--hero{height:200px}.teacher-videos-skeleton--row{height:52px}@keyframes teacher-videos-pulse{0%,to{opacity:.45}50%{opacity:.85}}