.video-learning-page.course-wrapper {
    min-height: auto;
    padding: clamp(12px, 2vw, 28px);
    background: linear-gradient(145deg, #eef2fa, #f8fafc 65%);
    color: #24324b;
}
.video-learning-page > .container-fluid { max-width: 1600px; }
.video-learning-page .video-section {
    overflow: hidden;
    border-radius: 18px;
    box-shadow: 0 12px 36px #24324b12;
    background: #fff;
}
.video-learning-page .video-container {
    padding-top: 0;
    aspect-ratio: 16 / 9;
    background: #101827;
}
.video-learning-page .video-expired-message { overflow-y: auto; justify-content: safe center; }
.video-learning-page .course-content { border-radius: 0 0 18px 18px; box-shadow: none; }
.video-learning-page .course-title { font-weight: 700; line-height: 1.5; overflow-wrap: anywhere; }
.video-learning-page .course-header { border-color: #e8edf5; }
.video-learning-page .course-meta, .video-learning-page .category-info { flex-wrap: wrap; gap: 8px; }
.video-learning-page .course-sidebar { height: auto; overflow: visible; padding: 0 0 0 24px; background: none; }
.video-learning-page .sidebar-card { border: 1px solid #e5eaf3; border-radius: 16px; box-shadow: 0 5px 20px #24324b08; overflow: hidden; }
.video-learning-page .sidebar-card .card-header { background: #fbfcff; padding: 18px 20px; border-color: #e8edf5; }
.video-learning-page .sidebar-card .card-header h5 { font-size: 1rem; font-weight: 700; }
.video-learning-page .sidebar-card .card-body { padding: 20px; }
.video-learning-page .nav-tabs-modern { flex-wrap: nowrap; overflow-x: auto; padding: 8px 16px 0; gap: 4px; border-bottom: 1px solid #e8edf5; }
.video-learning-page .nav-tabs-modern .nav-link { white-space: nowrap; padding: 14px 16px; border-radius: 10px 10px 0 0; font-size: .9rem; }
.video-learning-page .nav-tabs-modern .nav-link.active { color: #3159c9; background: #eef3ff; }
.video-learning-page .nav-tabs-modern .nav-link.active:after { background: #4169db; }
.video-learning-page .course-description { line-height: 1.9; overflow-wrap: anywhere; }
.video-learning-page .course-description img { max-width: 100%; height: auto; }
.video-learning-page .notes-editor textarea { border-radius: 12px; padding: 16px; line-height: 1.8; background: #fbfcff; }
.video-learning-page .progress-ring__circle { stroke-dasharray: 339.292; stroke-dashoffset: 339.292; }
.video-learning-page .playback-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding: 14px 20px; background: #f8faff; border-bottom: 1px solid #e8edf5; }
.video-learning-page .playback-actions { display: flex; gap: 8px; }
.video-learning-page .playback-actions button { min-height: 40px; border: 1px solid #dde4f0; border-radius: 9px; background: white; }
.video-learning-page .playback-speed { display: flex; align-items: center; gap: 10px; margin-left: auto; font-size: .85rem; white-space: nowrap; }
.video-learning-page .playback-speed select { width: auto; min-height: 40px; border-radius: 9px; }
.video-learning-page .playback-status:empty { display: none; }
.video-learning-page .playback-status { flex-basis: 100%; color: #8f2c36; font-size: .875rem; }
.video-learning-page :is(button, a, select, textarea):focus-visible { outline: 3px solid #6285e8; outline-offset: 3px; }
.video-position-notification { max-width: calc(100vw - 32px); border: 1px solid #dfe7fa; border-radius: 14px; }
@media (max-width: 991.98px) {
    .video-learning-page .course-sidebar { padding: 24px 0 0; }
}
@media (max-width: 575.98px) {
    .video-learning-page.course-wrapper { padding: 10px; }
    .video-learning-page .video-section { border-radius: 12px; }
    .video-learning-page .course-header, .video-learning-page .tab-content { padding: 20px 16px !important; }
    .video-learning-page .playback-toolbar { padding: 12px; gap: 10px; }
    .video-learning-page .playback-speed { margin-left: 0; }
    .video-learning-page .video-expired-message { padding: 16px; font-size: .85rem; }
    .video-learning-page .video-container:has(.video-expired-message) { aspect-ratio: auto; min-height: 320px; }
}
@media (prefers-reduced-motion: reduce) {
    .video-learning-page *, .video-position-notification { transition: none !important; animation: none !important; }
}