/* ======================================================================
 *  video-watermark-remover.css · 视频去水印（局部遮盖）
 *  视觉：深石墨工作台 + 荧光青选取框；画布带网格与选框手柄，像剪辑软件
 *  作用域：.tsk.vwr（前缀 vwr-）
 * ====================================================================== */

.tsk.vwr {
    --tsk-bg: #edf0f2;
    --tsk-bg-2: #e2e7ea;
    --tsk-card: #ffffff;
    --tsk-card-2: #f4f7f8;
    --tsk-ink: #131a1f;
    --tsk-sub: #4d5b63;
    --tsk-faint: #83919a;
    --tsk-line: #dbe3e7;
    --tsk-line-2: #e9eff1;
    --tsk-brand: #0f8fa6;
    --tsk-brand-2: #0a6a7c;
    --tsk-brand-soft: #e0f4f7;
    --tsk-brand-ink: #0a7186;
    --tsk-accent: #a3d94e;
    --tsk-ok: #158a64;
    --tsk-ok-soft: #e3f4ec;
    --tsk-warn: #ad6a12;
    --tsk-warn-soft: #fbf0de;
    --tsk-bad: #c0473f;
    --tsk-bad-soft: #fae8e7;
    --tsk-shadow-sm: 0 1px 2px rgba(13, 26, 31, .05), 0 7px 18px rgba(13, 26, 31, .05);
    --tsk-shadow: 0 2px 8px rgba(13, 26, 31, .08), 0 22px 48px rgba(13, 26, 31, .1);
    background:
        radial-gradient(640px 300px at 100% -12%, rgba(15, 143, 166, .12), transparent 62%),
        linear-gradient(180deg, #f0f4f6 0%, #e9eef0 100%);
}

:root[data-theme="dark"] .tsk.vwr {
    --tsk-bg: #0c1114;
    --tsk-bg-2: #121a1e;
    --tsk-card: #151d21;
    --tsk-card-2: #1a2328;
    --tsk-ink: #e6f0f3;
    --tsk-sub: #9cb0b8;
    --tsk-faint: #71858d;
    --tsk-line: #253239;
    --tsk-line-2: #1c262b;
    --tsk-brand: #3ecfdf;
    --tsk-brand-2: #74e3ef;
    --tsk-brand-soft: rgba(62, 207, 223, .13);
    --tsk-brand-ink: #7ce6f1;
    --tsk-accent: #b7e86a;
    --tsk-ok: #55d6a2;
    --tsk-ok-soft: rgba(85, 214, 162, .13);
    --tsk-warn: #efc167;
    --tsk-warn-soft: rgba(239, 193, 103, .13);
    --tsk-bad: #f08f87;
    --tsk-bad-soft: rgba(240, 143, 135, .13);
    --tsk-shadow-sm: 0 1px 2px rgba(0, 0, 0, .5), 0 7px 18px rgba(0, 0, 0, .3);
    --tsk-shadow: 0 2px 8px rgba(0, 0, 0, .55), 0 22px 48px rgba(0, 0, 0, .42);
    background: #0c1114;
}

/* ---------- 1. 首屏等高栅格 ---------- */
.vwr-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 394px;
    gap: 30px;
    padding: 30px 0 24px;
    align-items: stretch;
}
.vwr-hero-l {
    display: flex;
    flex-direction: column;
}
.vwr-hero-l > .tsk-hs {
    flex: 1 1 auto;
}
@media (max-width: 900px) {
    .vwr-hero {
        grid-template-columns: 1fr;
    }
}
.vwr-hero-r {
    min-width: 0;
}

/* ---------- 2. 首屏文字 ---------- */
.vwr .tsk-kicker {
    background: #e0f4f7;
    color: #0a7186;
}
.vwr .tsk-h1 b {
    color: var(--tsk-brand-ink);
}
.vwr .tsk-lead b {
    color: var(--tsk-brand-ink);
}
.vwr .tsk-chips span {
    background: #fff;
    border-color: #d6e4e8;
}

/* 版权提示 */
.vwr-legal {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    padding: 11px 13px;
    border: 1px solid var(--tsk-line);
    border-left: 3px solid var(--tsk-accent);
    border-radius: 6px;
    background: var(--tsk-card);
    font-size: 12px;
    line-height: 1.7;
}
.vwr-legal b {
    flex: 0 0 64px;
    color: var(--tsk-brand-ink);
}
.vwr-legal span {
    color: var(--tsk-sub);
}

/* ---------- 3. 工作台 ---------- */
.vwr-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
    border-radius: 14px;
    box-shadow: var(--tsk-shadow);
    overflow: hidden;
}
.vwr-panel-hd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 17px;
    background: linear-gradient(120deg, #10242b, #0f8fa6);
    color: #fff;
}
.vwr-panel-hd b {
    font-size: 13.5px;
}
.vwr-panel-hd i {
    font: 700 9.5px/1 var(--tsk-num);
    letter-spacing: .14em;
    opacity: .85;
}
.vwr-panel-body {
    display: flex;
    flex-direction: column;
    gap: 11px;
    padding: 15px 17px 17px;
    flex: 1 1 auto;
}

/* 拖拽区 */
.vwr-drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 20px 14px 18px;
    border: 1px dashed #b4c8ce;
    border-radius: 8px;
    background:
        repeating-linear-gradient(90deg, rgba(15, 143, 166, .05) 0 1px, transparent 1px 12px),
        var(--tsk-card-2);
    cursor: pointer;
    text-align: center;
    transition: border-color .16s, background .16s;
}
.vwr-drop:hover,
.vwr-drop.over {
    border-color: var(--tsk-brand);
    background-color: #eaf7f9;
}
.vwr-drop-ic {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1.5px solid var(--tsk-brand);
    border-radius: 6px;
    color: var(--tsk-brand-ink);
    font-size: 18px;
    background: var(--tsk-card);
}
.vwr-drop b {
    font-size: 13.5px;
}
.vwr-drop small {
    font-size: 10.5px;
    color: var(--tsk-faint);
    line-height: 1.55;
}

/* 文件信息 */
.vwr-meta {
    display: grid;
    grid-template-columns: 1.3fr .8fr .8fr;
    gap: 6px;
}
.vwr-meta div {
    padding: 7px 9px;
    border: 1px solid var(--tsk-line);
    border-radius: 6px;
    background: var(--tsk-card-2);
    min-width: 0;
}
.vwr-meta span {
    display: block;
    font-size: 10px;
    color: var(--tsk-faint);
}
.vwr-meta b {
    display: block;
    margin-top: 2px;
    font: 700 11.5px/1.5 var(--tsk-num);
    color: var(--tsk-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 处理方式 */
.vwr-field > label,
.vwr-lab {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 11.5px;
    font-weight: 800;
    color: var(--tsk-sub);
}
.vwr-field label b {
    font: 800 13px/1 var(--tsk-num);
    color: var(--tsk-brand-ink);
}
.vwr-modes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
}
.vwr-modes button {
    padding: 7px 6px;
    border: 1px solid var(--tsk-line);
    border-radius: 6px;
    background: var(--tsk-card-2);
    color: var(--tsk-sub);
    font-size: 11.5px;
    cursor: pointer;
    transition: .14s;
}
.vwr-modes button:hover {
    border-color: var(--tsk-brand);
    color: var(--tsk-brand-ink);
}
.vwr-modes button.on {
    background: var(--tsk-brand);
    border-color: var(--tsk-brand);
    color: #fff;
    font-weight: 700;
}
.vwr-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--tsk-brand), #c6e5ea);
    outline: none;
}
.vwr-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    background: var(--tsk-brand);
    border: 3px solid #fff;
    cursor: pointer;
}
.vwr-range::-moz-range-thumb {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--tsk-brand);
    border: 3px solid #fff;
    cursor: pointer;
}
.vwr-marks {
    display: flex;
    justify-content: space-between;
    margin-top: 3px;
    font-size: 10.5px;
    color: var(--tsk-faint);
}
.vwr-field input[type="color"] {
    width: 100%;
    height: 32px;
    padding: 2px;
    border: 1px solid var(--tsk-line);
    border-radius: 6px;
    background: var(--tsk-card);
    cursor: pointer;
}

/* 框列表 */
.vwr-boxlist {
    max-height: 142px;
    overflow-y: auto;
    border: 1px dashed var(--tsk-line);
    border-radius: 6px;
    padding: 7px;
}
.vwr-empty {
    font-size: 11px;
    line-height: 1.65;
    color: var(--tsk-faint);
    padding: 4px 3px;
}
.vwr-boxrow {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 5px 6px;
    border-radius: 4px;
    background: var(--tsk-card-2);
    margin-bottom: 5px;
    font-size: 11px;
}
.vwr-boxrow:last-child {
    margin-bottom: 0;
}
.vwr-boxrow i {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--tsk-brand);
    flex: 0 0 auto;
}
.vwr-boxrow span {
    color: var(--tsk-sub);
    font: 600 10.5px/1.4 var(--tsk-num);
}
.vwr-boxrow button {
    margin-left: auto;
    border: 0;
    background: transparent;
    color: var(--tsk-bad);
    font-size: 11px;
    cursor: pointer;
}

/* 进度、错误、按钮 */
.vwr-prog {
    display: grid;
    gap: 4px;
}
.vwr-prog-bar {
    height: 5px;
    background: var(--tsk-line-2);
    border-radius: 99px;
    overflow: hidden;
}
.vwr-prog-bar i {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #0f8fa6, #3ecfdf);
    transition: width .2s linear;
}
.vwr-prog span {
    font: 600 10.5px/1.5 var(--tsk-num);
    color: var(--tsk-faint);
}
.vwr-err {
    padding: 8px 11px;
    border: 1px solid rgba(192, 71, 63, .26);
    border-radius: 6px;
    background: var(--tsk-bad-soft);
    color: var(--tsk-bad);
    font-size: 11.5px;
    line-height: 1.65;
}
.vwr-acts {
    display: flex;
    gap: 6px;
}
.vwr-acts-2 {
    margin-top: -4px;
}
.vwr-acts .tsk-btn-main {
    flex: 1 1 100%;
}
.vwr-ghost {
    flex: 1 1 0;
    padding: 7px 8px;
    font-size: 11.5px;
}
.vwr-foot {
    font-size: 10.5px;
    line-height: 1.6;
    color: var(--tsk-faint);
    text-align: center;
}

/* ---------- 4. 画布舞台 ---------- */
.vwr-stage {
    margin: 4px 0 24px;
    padding: 16px 18px 18px;
    border: 1px solid var(--tsk-line);
    border-radius: 14px;
    background: var(--tsk-card);
    box-shadow: var(--tsk-shadow-sm);
}
.vwr-stage-hd {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--tsk-line-2);
}
.vwr-stage-title b {
    display: block;
    font-size: 13px;
}
.vwr-stage-title span {
    display: block;
    margin-top: 2px;
    font-size: 11px;
    color: var(--tsk-faint);
}
.vwr-stage-acts {
    display: flex;
    gap: 5px;
    margin-left: auto;
}
.vwr-toggle {
    padding: 5px 11px;
    border: 1px solid var(--tsk-line);
    border-radius: 99px;
    background: var(--tsk-card-2);
    color: var(--tsk-sub);
    font-size: 11.5px;
    cursor: pointer;
}
.vwr-toggle.on {
    background: var(--tsk-brand);
    border-color: var(--tsk-brand);
    color: #fff;
}
.vwr-canvas-wrap {
    position: relative;
    margin-top: 13px;
    display: grid;
    place-items: center;
    min-height: 220px;
    padding: 10px;
    border-radius: 10px;
    background:
        linear-gradient(45deg, rgba(0, 0, 0, .045) 25%, transparent 25%) 0 0 / 18px 18px,
        linear-gradient(-45deg, rgba(0, 0, 0, .045) 25%, transparent 25%) 0 9px / 18px 18px,
        #0d1418;
    overflow: hidden;
}
.vwr-canvas-wrap canvas {
    display: block;
    max-width: 100%;
    max-height: 62vh;
    cursor: crosshair;
    touch-action: none;
}
.vwr-badge {
    position: absolute;
    left: 14px;
    top: 14px;
    padding: 3px 9px;
    border-radius: 3px;
    background: rgba(15, 143, 166, .9);
    color: #fff;
    font-size: 10.5px;
    letter-spacing: .04em;
    pointer-events: none;
}
.vwr-timeline {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-top: 11px;
}
.vwr-timeline input {
    flex: 1 1 auto;
    accent-color: var(--tsk-brand);
}
.vwr-timeline span {
    font: 600 11px/1 var(--tsk-num);
    color: var(--tsk-faint);
    white-space: nowrap;
}
.vwr-tip {
    margin-top: 9px;
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--tsk-faint);
}

/* ---------- 5. 方式对照 ---------- */
.vwr-sec-sub {
    margin-left: auto;
    font-size: 12px;
    color: var(--tsk-faint);
}
.vwr-modes-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 9px;
}
.vwr-mode-card {
    padding: 15px 16px;
    border: 1px solid var(--tsk-line);
    border-top: 3px solid var(--tsk-brand);
    border-radius: 8px;
    background: var(--tsk-card);
}
.vwr-mode-card b {
    font-size: 13px;
}
.vwr-mode-card p {
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.7;
    color: var(--tsk-sub);
}
.vwr-mode-card small {
    display: block;
    margin-top: 6px;
    font-size: 10.5px;
    line-height: 1.6;
    color: var(--tsk-faint);
}

/* ---------- 6. 技巧与场景 ---------- */
.vwr-tips {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 8px;
}
.vwr-tips li {
    padding: 12px 14px;
    border: 1px solid var(--tsk-line);
    border-radius: 8px;
    background: var(--tsk-card);
    font-size: 12px;
    line-height: 1.7;
}
.vwr-tips b {
    display: block;
    font-size: 12.5px;
    margin-bottom: 2px;
}
.vwr-tips span {
    color: var(--tsk-sub);
}
.vwr-scenes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(244px, 1fr));
    gap: 9px;
}
.vwr-scene {
    padding: 14px 15px;
    border: 1px solid var(--tsk-line);
    border-left: 3px solid var(--tsk-accent);
    border-radius: 8px;
    background: var(--tsk-card);
}
.vwr-scene b {
    font-size: 12.5px;
}
.vwr-scene p {
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.7;
    color: var(--tsk-sub);
}

/* ---------- 7. 响应式 ---------- */
@media (max-width: 900px) {
    .vwr-hero {
        gap: 20px;
    }
    .vwr-panel {
        height: auto;
    }
    .vwr-canvas-wrap canvas {
        max-height: 46vh;
    }
}
@media (max-width: 640px) {
    .vwr-meta {
        grid-template-columns: 1fr 1fr;
    }
    .vwr-stage-acts {
        margin-left: 0;
        width: 100%;
    }
    .vwr-tips,
    .vwr-scenes,
    .vwr-modes-table {
        grid-template-columns: 1fr;
    }
}

/* ---------- 8. 深色微调 ---------- */
:root[data-theme="dark"] .vwr-drop {
    background:
        repeating-linear-gradient(90deg, rgba(62, 207, 223, .06) 0 1px, transparent 1px 12px),
        #192126;
}
:root[data-theme="dark"] .vwr-drop:hover,
:root[data-theme="dark"] .vwr-drop.over {
    background-color: #142a30;
}
:root[data-theme="dark"] .vwr-canvas-wrap {
    background:
        linear-gradient(45deg, rgba(255, 255, 255, .04) 25%, transparent 25%) 0 0 / 18px 18px,
        linear-gradient(-45deg, rgba(255, 255, 255, .04) 25%, transparent 25%) 0 9px / 18px 18px,
        #05090b;
}
:root[data-theme="dark"] .vwr-modes button.on {
    color: #0c1114;
}
:root[data-theme="dark"] .vwr-toggle.on {
    color: #0c1114;
}

/* ---------- 9. 打印与动效 ---------- */
@media print {
    .vwr-panel,
    .vwr-stage-acts {
        display: none;
    }
}
@media (prefers-reduced-motion: reduce) {
    .vwr-prog-bar i {
        transition: none;
    }
}