body.yoummo-shorts-app {
    margin: 0;
    background: #000;
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    overflow: hidden; /* Ẩn thanh cuộn body */
}

.shorts-container {
    height: 100vh;
    width: 100%;
    overflow-y: scroll;
    scroll-snap-type: y mandatory; /* Lướt dính */
    scroll-behavior: smooth;
}

.short-item {
    height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    position: relative;
    background: #111;
    display: flex;
    justify-content: center;
}

.video-wrapper {
    width: 100%;
    height: 100%;
    max-width: 480px; /* Giới hạn chiều rộng giống mobile */
    position: relative;
}

.iframe-placeholder {
    width: 100%;
    height: 100%;
    background: #000;
}

/* Nút Back */
.back-to-home {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
    color: white;
    background: rgba(0,0,0,0.3);
    border-radius: 50%;
    padding: 8px;
    display: flex;
}

/* Overlay Info */
.short-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    pointer-events: none;
    z-index: 2;
}

.short-info {
    position: absolute;
    bottom: 20px;
    left: 15px;
    right: 80px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.short-info h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.short-info p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.4;
}

/* Sidebar Actions */
.short-actions {
    position: absolute;
    right: 10px;
    bottom: 100px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 25px;
    align-items: center;
}

.action-btn {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: 0.2s;
}

.action-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1);
}

.action-group span {
    font-size: 12px;
    font-weight: 600;
    margin-top: 5px;
    text-align: center;
    display: block;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.action-btn.avatar {
    border: 2px solid #fff;
    padding: 0;
    overflow: visible;
    position: relative;
    margin-bottom: 10px;
}

.action-btn.avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.plus-icon {
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    background: #ea4359;
    color: white;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}