.video-container {
    position: relative;
    background: linear-gradient(
        135deg,
        rgba(67, 97, 238, 0.05),
        rgba(76, 201, 240, 0.05)
    );
    border-radius: var(--radius-lg);
    padding: 1rem;
}

/* الهاتف */
@media (max-width: 768px) {
    .video-container {
        padding: 0.5rem;
        border-radius: 12px;
    }
}

/* ===== Video Wrapper ===== */
.video-wrapper {
    display: none;
    width: 100%;
}

.video-wrapper.active {
    display: block;
}

/* ===== Video Frame (الأهم) ===== */
.video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
}

/* iframe Responsive */
.video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== Mobile Full Width Fix ===== */
@media (max-width: 768px) {

    .video-container {
        margin-left: -12px;
        margin-right: -12px;
        border-radius: 0;
    }

    .video-frame {
        border-radius: 0;
    }

}

/* ===== Pagination Mobile ===== */
.video-pagination {
    margin-top: 12px;
    text-align: center;
}

.video-pagination button {
    min-width: 40px;
    min-height: 40px;
}

@media (max-width: 768px) {

    .video-pagination button {
        min-width: 44px;
        min-height: 44px;
        font-size: 16px;
    }

}
.lesson-sidebar {
    position: sticky;
    top: 100px;
}

@media (max-width: 768px) {
    .lesson-sidebar {
        position: static;
    }
}
@media (max-width: 768px) {

    .container {
        padding-left: 8px;
        padding-right: 8px;
    }

}
.video-frame {
    position: relative;
    padding-bottom: 56.25%; /* نسبة 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
}

.video-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}