.float-video {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 140px;
    z-index: 1500;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
    transition: width 0.35s ease;
}
.float-video.is-expanded {
    width: min(400px, calc(100vw - 40px));
}

.float-video__frame {
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 16;
    background: #000;
    cursor: pointer;
}

.float-video__media {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.float-video__close {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease;
}
.float-video__close svg {
    width: 14px;
    height: 14px;
}
.float-video__close:hover {
    background: rgba(0, 0, 0, 0.8);
}

.float-video__hint {
    position: absolute;
    left: 8px;
    bottom: 8px;
    z-index: 2;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.float-video__hint svg {
    width: 14px;
    height: 14px;
}
.float-video.is-expanded .float-video__hint {
    opacity: 0;
}

@media (max-width: 480px) {
    .float-video {
        right: 12px;
        bottom: 12px;
        width: 110px;
    }
}