.e2LessonPlayer{width:100%;max-width:1100px;margin:12px 0 0;border:1px solid #dce5ef;border-radius:12px;overflow:hidden;background:#f8fafc}
.e2LessonPlayer>video{display:block;width:100%!important;max-width:none!important;margin:0!important;border-radius:0!important}
.e2LessonControls{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:10px;padding:12px 14px;background:#fff;border-top:1px solid #dce5ef;color:#19354a}
.e2LessonControls button{min-height:38px;padding:7px 13px;border:1px solid #d2dde8;border-radius:8px;background:#f4f7fa;color:#19354a;font:inherit;font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer}
.e2LessonControls button:hover{background:#e6eef6}
.e2LessonControls .e2LessonPlay{background:#235f94;color:#fff;border-color:#235f94;min-width:68px}
.e2LessonControls button:focus-visible,.e2LessonSeek:focus-visible,.e2LessonChapters summary:focus-visible,.e2LessonChapters button:focus-visible{outline:3px solid #b66f1b;outline-offset:2px}
.e2LessonControls .e2LessonSeek{grid-column:1/-1;width:100%;min-width:0;height:22px;padding:0;margin:0;accent-color:#235f94;cursor:pointer;box-shadow:none}
.e2LessonTime{font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap}
.e2LessonFeedback{grid-column:1/-1;font-size:13px;color:#6e4321}
.e2LessonFeedback:empty{display:none}
.e2LessonChapters{max-width:1100px;margin:8px 0 16px;border:1px solid #dce5ef;border-radius:9px;background:#f8fafc;color:#19354a}
.e2LessonChapters summary{padding:11px 14px;font-weight:600;cursor:pointer;font-size:14px}
.e2LessonChapters>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:0 10px 10px}
.e2LessonChapters button{text-align:left;padding:10px;border:1px solid #dde6ef;border-radius:6px;background:#fff;color:#244457;font:inherit;font-size:13px;line-height:1.5;cursor:pointer}
.e2LessonChapters button:hover,.e2LessonChapters button[aria-current="step"]{background:#e7f1f8;border-color:#94b7d0}
.e2LessonPlayer:fullscreen{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:none;height:100%;margin:0;border:0;border-radius:0;padding:12px;background:#152532;box-sizing:border-box}
.e2LessonPlayer:fullscreen>video{width:100%;height:calc(100dvh - 118px);min-height:0;flex:1;object-fit:contain;aspect-ratio:auto!important;background:#152532!important}
.e2LessonPlayer:fullscreen>.e2LessonControls{width:100%;max-width:1400px;flex:none;box-sizing:border-box;border-radius:8px}
@media(max-width:600px){.e2LessonControls{gap:6px;padding:10px 8px}.e2LessonControls button{font-size:12px;padding:6px 8px;min-height:38px}.e2LessonControls .e2LessonPlay{min-width:50px}.e2LessonTime{font-size:12px}.e2LessonChapters>div{grid-template-columns:1fr}}