/* 视频截取片段 video-trim 专属样式：vt- 前缀
   双滑块时间轴采用两根原生 range 叠加方案 */

.vt-stage {
    margin-top: 12px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    overflow: hidden;
    background: #000;
}

.vt-stage video {
    display: block;
    width: 100%;
    max-height: 380px;
    background: #000;
}

.vt-info {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 12px;
    color: var(--c-text-muted);
    margin-top: 10px;
}

.vt-info b { color: var(--c-text); font-weight: 700; }

/* 控制区 */
.vt-tl {
    margin-top: 14px;
}

.vt-tl-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12.5px;
    margin-bottom: 8px;
}

.vt-dur-badge {
    font-weight: 700;
    color: var(--c-primary);
    background: rgba(0, 150, 220, .1);
    border-radius: 99px;
    padding: 2px 10px;
    font-size: 12px;
    white-space: nowrap;
}

.vt-range-wrap {
    position: relative;
    height: 30px;
}

.vt-range-wrap input[type="range"] {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    margin: 0;
    pointer-events: none;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    height: 30px;
}

.vt-track {
    position: absolute;
    left: 0;
    right: 0;
    top: 12px;
    height: 6px;
    border-radius: 99px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border);
    pointer-events: none;
}

.vt-fill {
    position: absolute;
    top: 0;
    bottom: 0;
    background: var(--c-primary);
    opacity: .85;
    border-radius: 99px;
}

/* WebKit 滑块：透明轨道 + 可点的圆点 */
.vt-range-wrap input[type="range"]::-webkit-slider-runnable-track {
    background: transparent;
    border: none;
    height: 30px;
}

.vt-range-wrap input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    pointer-events: auto;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--c-bg-card);
    border: 3px solid var(--c-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, .25);
    margin-top: 5px;
    cursor: grab;
}

.vt-range-wrap input[type="range"]::-webkit-slider-thumb:active { cursor: grabbing; }

/* Firefox 滑块 */
.vt-range-wrap input[type="range"]::-moz-range-track {
    background: transparent;
    border: none;
    height: 30px;
}

.vt-range-wrap input[type="range"]::-moz-range-thumb {
    pointer-events: auto;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--c-bg-card);
    border: 3px solid var(--c-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, .25);
    cursor: grab;
}

.vt-tl-times {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--c-text-muted);
    margin-top: 4px;
}

.vt-tl-times b { color: var(--c-text); font-variant-numeric: tabular-nums; }

.vt-tl-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.vt-tl-actions .btn {
    padding: 7px 12px;
    font-size: 12.5px;
}

.vt-cancel {
    margin-top: 10px;
}

/* 结果区 */
.vt-res-video {
    border: 1px solid var(--c-border);
    border-radius: 12px;
    overflow: hidden;
    background: #000;
}

.vt-res-video video {
    display: block;
    width: 100%;
    max-height: 360px;
    background: #000;
}

.vt-modes {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 12px;
    color: var(--c-text-muted);
    margin-top: 12px;
}

.vt-modes b { color: var(--c-text); }

@media (max-width: 560px) {
    .vt-tl-actions .btn { flex: 1 1 auto; }
    .vt-stage video { max-height: 260px; }
}