/* Trang chủ */

.home-section {
    margin-bottom: 28px;
}

.section-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 12px;
}

.section-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
}

.section-subtitle {
    color: var(--text-soft);
    font-size: 0.84rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px 16px;
}

.video-card {
    min-width: 0;
}

.video-card .thumb-wrap {
    display: block;
    margin-bottom: 10px;
}

.video-meta-row {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
}

.video-meta-row.no-avatar {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
}

.video-avatar {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    object-fit: cover;
    background: var(--card-2);
}

.video-title {
    margin: 0 0 6px;
    font-size: 0.93rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-desc,
.video-extra {
    font-size: 0.83rem;
    color: var(--text-soft);
    line-height: 1.4;
}

.video-extra {
    margin-top: 2px;
}

.shorts-row {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
}

.short-card {
    min-width: 0;
}

.short-thumb {
    display: block;
    overflow: hidden;
    border-radius: 18px;
    background: var(--card-2);
    margin-bottom: 10px;
    border: 1px solid var(--border);
}

.short-info {
    padding: 0 2px;
}

.short-title {
    font-size: 0.88rem;
    font-weight: 600;
    margin: 0 0 4px;
    line-height: 1.35;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.short-meta {
    font-size: 0.81rem;
    color: var(--text-soft);
}

.home-loading {
    display: none;
    justify-content: center;
    padding: 24px 0;
    color: var(--text-soft);
}

.home-loading.show {
    display: flex;
}

.empty-state {
    padding: 36px 20px;
    text-align: center;
    border: 1px dashed var(--border);
    border-radius: 16px;
    color: var(--text-soft);
    background: var(--card);
}

@media (max-width: 1399.98px) {
    .video-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .shorts-row {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
}

@media (max-width: 991.98px) {
    .video-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .shorts-row {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .shorts-row {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .section-title {
        font-size: 0.98rem;
    }

    .video-title,
    .short-title {
        font-size: 0.9rem;
    }
}


/* =========================
   HOVER PREVIEW VIDEO / SHORTS
   ========================= */
.thumb-wrap,
.short-thumb {
    position: relative;
}

.thumb-preview {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 2;
}

.thumb-wrap.is-previewing .thumb-preview,
.short-thumb.is-previewing .thumb-preview {
    opacity: 1;
}

.thumb-wrap.is-previewing img,
.short-thumb.is-previewing img {
    opacity: 0;
}

.preview-loading {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3;
    background: rgba(0, 0, 0, 0.18);
    pointer-events: none;
}

.thumb-wrap.is-loading .preview-loading,
.short-thumb.is-loading .preview-loading {
    display: flex;
}

.preview-spinner {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 3px solid rgba(255,255,255,0.35);
    border-top-color: #fff;
    animation: previewSpin 0.8s linear infinite;
}

@keyframes previewSpin {
    to {
        transform: rotate(360deg);
    }
}

/* Mobile / tablet nhỏ không hover preview */
@media (hover: none), (max-width: 991.98px) {
    .thumb-preview,
    .preview-loading {
        display: none !important;
    }
}