/* ==================== 视频发布悬浮进度窗口 ==================== */
.ls-vp-float {
    position: fixed;
    z-index: 9999;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 0.3s, transform 0.3s cubic-bezier(.25,.8,.25,1);
    touch-action: none;
    user-select: none;
    cursor: grab;
}
.ls-vp-float.ls-vp-show {
    opacity: 1;
    transform: scale(1);
}

/* 封面背景 */
.ls-vp-cover {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-color: #1a1a2e;
}
.ls-vp-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.35);
}

/* SVG 圆形进度环 */
.ls-vp-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.ls-vp-ring-bg {
    fill: none;
    stroke: rgba(255,255,255,0.2);
    stroke-width: 3;
}
.ls-vp-ring-fg {
    fill: none;
    stroke: #fff;
    stroke-width: 3;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset 0.5s ease;
}

/* 百分比文字 */
.ls-vp-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    z-index: 1;
}