/* ============================================================================
 * LibTV 无限画布 · 完整样式 v4（深色节点风格，贴近真 LibTV UI）
 * ========================================================================== */
:root {
    --ltv-bg: #0d0e12;
    --ltv-bg2: #14161d;
    --ltv-panel: #1a1d27;
    --ltv-panel2: #1f2330;
    --ltv-bd: #2a2f3d;
    --ltv-bd2: #353c4d;
    --ltv-tx: #e7e9f0;
    --ltv-tx2: #98a2b6;
    --ltv-tx3: #6b748a;
    --ltv-pri: #e0a13a;
    --ltv-pri2: #e8c073;
    --ltv-rad: 12px;
}

/* 让 libtv 画布填满主内容区（而非遮住 app 左侧菜单）：main-content 设为定位上下文，
   对其它 static 布局的 .page 无副作用 */
.main-content { position: relative; }
#page-libtv { position: absolute; inset: 0; padding: 0 !important; overflow: hidden; background: var(--ltv-bg); }
.ltv-root { position: absolute; inset: 0; color: var(--ltv-tx); font-size: 13px; }
.ltv-root * { box-sizing: border-box; }

/* ---------- 通用按钮 ---------- */
.ltv-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 9px; border: 1px solid var(--ltv-bd2); background: var(--ltv-panel2); color: var(--ltv-tx); cursor: pointer; font-size: 13px; transition: .15s; }
.ltv-btn:hover { border-color: var(--ltv-pri); }
.ltv-btn.primary { background: linear-gradient(135deg, #e0a13a, #c8791f); border: none; color: #fff; font-weight: 600; box-shadow: 0 6px 18px rgba(224, 161, 58, .35); }
.ltv-btn.primary:hover { filter: brightness(1.08); }
.ltv-btn.sm { padding: 6px 12px; font-size: 12px; }
.ltv-icbtn { width: 32px; height: 32px; border-radius: 8px; border: 1px solid transparent; background: transparent; color: var(--ltv-tx2); cursor: pointer; transition: .15s; display: inline-flex; align-items: center; justify-content: center; }
.ltv-icbtn:hover { background: var(--ltv-panel2); color: var(--ltv-tx); }

/* ---------- 首页 ---------- */
.ltv-home { position: absolute; inset: 0; overflow: auto; padding: 36px 48px; }
.ltv-home-hd { display: flex; align-items: center; justify-content: space-between; }
.ltv-home-title { font-size: 24px; font-weight: 800; letter-spacing: .5px; display: flex; align-items: center; gap: 12px; }
.ltv-home-title i { color: var(--ltv-pri); }
.ltv-home-sub { color: var(--ltv-tx2); margin: 10px 0 28px; }
.ltv-home-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; }
.ltv-pcard { position: relative; border: 1px solid var(--ltv-bd); border-radius: var(--ltv-rad); overflow: hidden; background: var(--ltv-panel); cursor: pointer; transition: .18s; }
.ltv-pcard:hover { transform: translateY(-3px); border-color: var(--ltv-pri); box-shadow: 0 12px 30px rgba(0, 0, 0, .4); }
.ltv-pcard-cover { height: 130px; display: flex; align-items: center; justify-content: center; font-size: 38px; color: #46506a; background: radial-gradient(120% 120% at 50% 0, #232838, #14161d); }
.ltv-pcard-b { padding: 12px 14px; }
.ltv-pcard-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ltv-pcard-meta { display: flex; justify-content: space-between; color: var(--ltv-tx3); font-size: 11px; margin-top: 6px; }
.ltv-pcard-act { position: absolute; top: 8px; right: 8px; display: flex; gap: 6px; opacity: 0; transition: .15s; }
.ltv-pcard:hover .ltv-pcard-act { opacity: 1; }
.ltv-pcard-act i { width: 26px; height: 26px; border-radius: 7px; background: rgba(0, 0, 0, .5); display: flex; align-items: center; justify-content: center; color: #cbd2e0; font-size: 12px; }
.ltv-pcard-act i:hover { background: var(--ltv-pri); color: #fff; }
.ltv-empty { grid-column: 1/-1; text-align: center; color: var(--ltv-tx3); padding: 80px 0; }
.ltv-empty i { font-size: 46px; opacity: .4; display: block; margin-bottom: 14px; }
.ltv-empty .sub { font-size: 12px; margin-top: 6px; }

/* ---------- 编辑器骨架 ---------- */
.ltv-editor { position: absolute; inset: 0; display: flex; flex-direction: column; }
.ltv-top { height: 50px; flex: 0 0 50px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; background: var(--ltv-bg2); border-bottom: 1px solid var(--ltv-bd); z-index: 20; }
.ltv-top-l, .ltv-top-c, .ltv-top-r { display: flex; align-items: center; gap: 8px; }
.ltv-pname { background: transparent; border: 1px solid transparent; color: var(--ltv-tx); font-size: 14px; font-weight: 600; padding: 5px 10px; border-radius: 7px; width: 220px; }
.ltv-pname:hover, .ltv-pname:focus { border-color: var(--ltv-bd2); background: var(--ltv-panel); outline: none; }
.ltv-zoom { color: var(--ltv-tx2); font-size: 12px; min-width: 42px; text-align: center; }
.ltv-zoomctl { display: inline-flex; align-items: center; gap: 2px; background: var(--ltv-panel2); border: 1px solid var(--ltv-bd); border-radius: 8px; padding: 2px 4px; }
.ltv-zbtn { width: 22px; height: 22px; border: none; background: transparent; color: var(--ltv-tx2); cursor: pointer; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; }
.ltv-zbtn:hover { background: var(--ltv-panel); color: var(--ltv-tx); }
.ltv-zoom-in { width: 34px; border: none; background: transparent; color: var(--ltv-tx); font-size: 12px; text-align: right; outline: none; padding: 0; -moz-appearance: textfield; }
.ltv-zoom-in::-webkit-outer-spin-button, .ltv-zoom-in::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ltv-zoom-pct { color: var(--ltv-tx2); font-size: 12px; margin: 0 1px 0 0; }
/* 资产目录分类（图片/视频/音频，可折叠） */
.ltv-asset-cat { display: flex; align-items: center; gap: 7px; padding: 7px 9px; margin: 8px 0 5px; cursor: pointer; border-radius: 8px; font-size: 12.5px; font-weight: 600; color: var(--ltv-tx); background: var(--ltv-panel2); border: 1px solid var(--ltv-bd); user-select: none; }
.ltv-asset-cat:first-child { margin-top: 0; }
.ltv-asset-cat:hover { border-color: var(--ltv-pri); }
.ltv-asset-cat .ltv-asset-caret { font-size: 10px; color: var(--ltv-tx2); transition: transform .15s; }
.ltv-asset-cat.collapsed .ltv-asset-caret { transform: rotate(-90deg); }
.ltv-asset-cat-name { flex: 1; }
.ltv-asset-cat-n { font-size: 11px; font-weight: 500; color: var(--ltv-tx2); background: var(--ltv-bg); padding: 1px 8px; border-radius: 10px; }
.ltv-asset-audio { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--ltv-tx2); font-size: 22px; background: var(--ltv-panel2); }
.ltv-body { flex: 1; display: flex; min-height: 0; }

/* ---------- 左侧栏 ---------- */
.ltv-left { width: 64px; flex: 0 0 64px; background: var(--ltv-bg2); border-right: 1px solid var(--ltv-bd); display: flex; flex-direction: column; align-items: center; padding-top: 10px; position: relative; z-index: 15; }
.ltv-ltab { width: 48px; height: 50px; border: none; background: transparent; color: var(--ltv-tx2); cursor: pointer; border-radius: 9px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; font-size: 10px; margin-bottom: 4px; transition: .15s; }
.ltv-ltab i { font-size: 16px; }
.ltv-ltab:hover { background: var(--ltv-panel); color: var(--ltv-tx); }
.ltv-ltab.on { background: var(--ltv-panel2); color: var(--ltv-pri); }
.ltv-left-panel { position: absolute; left: 64px; top: 0; bottom: 0; width: 232px; background: var(--ltv-panel); border-right: 1px solid var(--ltv-bd); padding: 14px 12px; overflow: auto; }
.ltv-add-sec { font-size: 11px; color: var(--ltv-tx3); margin: 12px 4px 6px; text-transform: uppercase; letter-spacing: .5px; }
.ltv-add-sec:first-child { margin-top: 0; }
.ltv-add-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 9px; cursor: pointer; transition: .12s; color: var(--ltv-tx); }
.ltv-add-item:hover { background: var(--ltv-panel2); }
.ltv-add-item i { width: 18px; text-align: center; font-size: 14px; }
.ltv-add-item span { flex: 1; }
.ltv-badge { font-size: 9px; font-style: normal; background: var(--ltv-pri); color: #fff; padding: 1px 6px; border-radius: 6px; }
.ltv-left-empty { color: var(--ltv-tx3); font-size: 12px; padding: 30px 6px; text-align: center; line-height: 1.7; }
.ltv-hist-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ltv-hist-item { aspect-ratio: 1; border-radius: 8px; overflow: hidden; cursor: pointer; border: 1px solid var(--ltv-bd); background: #000; }
.ltv-hist-item:hover { border-color: var(--ltv-pri); }
.ltv-hist-item img, .ltv-hist-item video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- 画布 ---------- */
.ltv-canvas-wrap { flex: 1; position: relative; min-width: 0; }
.ltv-canvas { position: absolute; inset: 0; overflow: hidden; cursor: grab; }
.ltv-canvas:active { cursor: grabbing; }
.ltv-grid { position: absolute; inset: -2000px; background-image: radial-gradient(circle, #232838 1px, transparent 1px); pointer-events: none; }
.ltv-edges { position: absolute; inset: 0; pointer-events: none; z-index: 1; overflow: visible; }
.ltv-layer { position: absolute; left: 0; top: 0; transform-origin: 0 0; z-index: 2; }

/* ---------- 节点 ---------- */
.ltv-node { position: absolute; background: var(--ltv-panel); border: 1px solid var(--ltv-bd); border-radius: var(--ltv-rad); box-shadow: 0 6px 20px rgba(0, 0, 0, .35); user-select: none; transition: border-color .15s, box-shadow .15s; }
.ltv-node:hover { border-color: var(--ltv-bd2); }
.ltv-node.sel { border-color: var(--nc, var(--ltv-pri)); box-shadow: 0 0 0 2px color-mix(in srgb, var(--nc, #e0a13a) 45%, transparent), 0 10px 30px rgba(0, 0, 0, .5); z-index: 10; }
.ltv-node-hd { display: flex; align-items: center; gap: 8px; padding: 9px 12px; cursor: grab; border-bottom: 1px solid var(--ltv-bd); }
.ltv-node-hd > i:first-child { color: var(--nc, var(--ltv-pri)); font-size: 13px; }
.ltv-node-hd span { flex: 1; font-weight: 600; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ltv-hd-tip { font-style: normal; font-size: 10px; color: #f59e0b; }
.ltv-hd-tip i { font-size: 9px; margin-right: 2px; }
/* 合规素材盾标（参考缩略图角标：火山私域人像资产） */
.ltv-shield-tag { position: absolute; right: 1px; bottom: 1px; background: rgba(6, 18, 26, .8); color: #22d3ee; font-size: 8px; padding: 1px 3px; border-radius: 5px; }
/* 媒体尺寸标签（对照 libtv：节点标题旁 1080 × 1365） */
.ltv-hd-dim { font-style: normal; font-size: 10px; color: #6b748a; margin-left: 6px; flex: 0 0 auto; }
/* 节点头「已成组」徽标：点任一成员选中整组 */
.ltv-hd-grp { font-style: normal; font-size: 9px; color: var(--ltv-pri); margin-left: 5px; flex: 0 0 auto; opacity: .85; }
.ltv-node-x { color: var(--ltv-tx3); cursor: pointer; font-size: 12px; opacity: 0; transition: .12s; }
.ltv-node:hover .ltv-node-x { opacity: 1; }
.ltv-node-x:hover { color: #ef4444; }
.ltv-node-bd { padding: 0; }
.ltv-node-ph { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; min-height: 130px; color: var(--ltv-tx3); font-size: 11px; padding: 16px; text-align: center; }
.ltv-node-ph i { font-size: 26px; opacity: .4; }
.ltv-node-ph.gen { color: var(--ltv-pri); }
.ltv-node-ph.gen i { opacity: 1; }
.ltv-node-ph.fail { color: #e0795f; }
.ltv-node-ph.fail i { opacity: .9; color: #e0795f; }
.ltv-gen-err { font-size: 10.5px; color: var(--ltv-tx3); max-width: 92%; line-height: 1.45; max-height: 46px; overflow: hidden; }
.ltv-gen-cancel, .ltv-gen-retry { margin-top: 6px; padding: 4px 12px; border-radius: 7px; border: 1px solid var(--ltv-bd); background: var(--ltv-bg2, #1a1d27); color: var(--ltv-tx2, #cdd3e0); font-size: 11px; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; }
.ltv-gen-cancel i, .ltv-gen-retry i { font-size: 11px; opacity: 1; }
.ltv-gen-cancel:hover { border-color: #e0795f; color: #e0795f; }
.ltv-gen-retry { border-color: var(--ltv-pri); color: var(--ltv-pri); }
.ltv-gen-retry:hover { background: var(--ltv-pri); color: #fff; }
.ltv-node-img { position: relative; width: 100%; height: 200px; background-size: cover; background-position: center; border-radius: 0 0 var(--ltv-rad) var(--ltv-rad); }
.ltv-node-vid { width: 100%; max-height: 230px; display: block; background: #000; border-radius: 0 0 var(--ltv-rad) var(--ltv-rad); }
.ltv-node-vidwrap { position: relative; width: 100%; }
.ltv-node-up { position: absolute; top: 8px; right: 8px; width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; background: rgba(0,0,0,.55); color: #fff; border-radius: 8px; cursor: pointer; font-size: 13px; opacity: 0; transition: opacity .15s; z-index: 3; }
.ltv-node:hover .ltv-node-up, .ltv-node.sel .ltv-node-up { opacity: 1; }
.ltv-node-up:hover { background: rgba(0,0,0,.82); }
.ltv-text-empty .lte-i input { display: none; }
.ltv-node-aud { width: 100%; padding: 16px; }
.ltv-node-txt { padding: 12px 14px; font-size: 12px; line-height: 1.65; color: #cdd3e0; white-space: pre-wrap; max-height: 220px; overflow: auto; }
.ltv-node-txt em { color: var(--ltv-tx3); }
.ltv-script-tip { padding: 16px; font-size: 12px; color: var(--ltv-tx2); text-align: center; }
.ltv-script-tip b { color: var(--ltv-pri); font-size: 16px; }

/* ---------- 连接端口 ---------- */
.ltv-port { position: absolute; width: 16px; height: 16px; border-radius: 50%; top: 24px; background: var(--ltv-panel2); border: 2px solid var(--ltv-bd2); display: flex; align-items: center; justify-content: center; cursor: crosshair; color: var(--ltv-pri); font-size: 8px; z-index: 3; transition: transform .12s, background .12s, border-color .12s, box-shadow .12s; }
.ltv-port.in { left: -9px; }
.ltv-port.out { right: -9px; }
/* 扩大点击热区：伪元素向外扩 10px（有效命中直径 ~36px），锚点本体保持小巧 */
.ltv-port::after { content: ''; position: absolute; inset: -10px; border-radius: 50%; }
/* hover / 指针临近（JS 加 .near）：放大 + 高亮 + 光晕，连线多时一眼看清接哪个点 */
.ltv-port:hover, .ltv-port.near { background: var(--ltv-pri); color: #fff; border-color: var(--ltv-pri); transform: scale(1.5); box-shadow: 0 0 0 5px rgba(224, 161, 58, .22); z-index: 5; }
/* 拖线中（画布加 .ltv-linking）：全部锚点点亮提示可接；36px 半径内的吸附候选（.cand）最亮 */
.ltv-canvas.ltv-linking .ltv-port { background: var(--ltv-pri); color: #fff; border-color: var(--ltv-pri); box-shadow: 0 0 0 3px rgba(224, 161, 58, .18); }
.ltv-canvas.ltv-linking .ltv-port.cand { transform: scale(1.7); box-shadow: 0 0 0 7px rgba(224, 161, 58, .38); z-index: 5; }
.ltv-port i { font-size: 8px; pointer-events: none; }

/* ---------- 节点顶部工具栏（图片）---------- */
.ltv-node-toolbar { position: absolute; left: 50%; top: -46px; transform: translateX(-50%); display: flex; align-items: center; gap: 2px; background: var(--ltv-panel2); border: 1px solid var(--ltv-bd2); border-radius: 10px; padding: 4px; box-shadow: 0 8px 22px rgba(0, 0, 0, .5); white-space: nowrap; z-index: 12; }
.ltv-tb { display: inline-flex; align-items: center; gap: 4px; padding: 5px 8px; border: none; background: transparent; color: var(--ltv-tx); cursor: pointer; border-radius: 7px; font-size: 11px; transition: .12s; }
.ltv-tb b { font-weight: 500; }
.ltv-tb:hover { background: var(--ltv-pri); color: #fff; }
.ltv-tb.ic { padding: 5px 7px; }
.ltv-tb-sep { width: 1px; height: 18px; background: var(--ltv-bd2); margin: 0 2px; }

/* ---------- 生成器条（节点下方）---------- */
.ltv-genbar { position: absolute; left: 0; right: 0; top: calc(100% + 12px); background: var(--ltv-panel2); border: 1px solid var(--ltv-bd2); border-radius: var(--ltv-rad); padding: 10px; box-shadow: 0 12px 30px rgba(0, 0, 0, .5); z-index: 11; min-width: 320px; width: max(100%, 340px); }
.ltv-genbar::before { content: ''; position: absolute; left: 50%; top: -7px; transform: translateX(-50%) rotate(45deg); width: 12px; height: 12px; background: var(--ltv-panel2); border-left: 1px solid var(--ltv-bd2); border-top: 1px solid var(--ltv-bd2); }
/* 视频能力模式 tab（按所选模型能力适配：文生/图生/首尾帧/参考生视频） */
.ltv-vmodes { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; padding-bottom: 8px; flex-wrap: wrap; border-bottom: 1px solid var(--ltv-bd2); }
.ltv-vmode { display: inline-flex; align-items: center; gap: 5px; padding: 5px 11px; border-radius: 8px; border: 1px solid var(--ltv-bd2); background: var(--ltv-bg2); color: var(--ltv-tx2); cursor: pointer; font-size: 11px; transition: .12s; }
.ltv-vmode:hover { color: var(--ltv-tx); border-color: var(--ltv-pri); }
.ltv-vmode.on { background: var(--ltv-pri); border-color: var(--ltv-pri); color: #fff; font-weight: 600; }
.ltv-genbar-tools { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.ltv-chip { display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; border-radius: 8px; border: 1px solid var(--ltv-bd2); background: var(--ltv-panel); color: var(--ltv-tx2); cursor: pointer; font-size: 11px; transition: .12s; }
.ltv-chip:hover { color: var(--ltv-tx); border-color: var(--ltv-pri); }
.ltv-refn { font-size: 11px; color: var(--ltv-pri); background: rgba(224, 161, 58, .12); padding: 4px 8px; border-radius: 7px; }
.ltv-ref-thumb { position: relative; width: 36px; height: 36px; border-radius: 6px; overflow: hidden; border: 1px solid var(--ltv-bd2); display: inline-block; flex: 0 0 auto; }
.ltv-ref-thumb img, .ltv-ref-thumb video { width: 100%; height: 100%; object-fit: cover; }
.ltv-ref-thumb b { position: absolute; right: 1px; bottom: 1px; font-size: 9px; line-height: 1.2; background: rgba(0,0,0,.6); color: #fff; padding: 0 3px; border-radius: 3px; font-weight: 700; }
/* 缩略图右上角 ⊗：单独移除该参考（断开连线），hover 出现 */
.ltv-ref-x { position: absolute; top: -5px; right: -5px; font-size: 13px; color: #ef4444; background: #1b1e2b; border-radius: 50%; cursor: pointer; opacity: 0; transition: opacity .12s, transform .12s; z-index: 2; }
.ltv-ref-thumb:hover .ltv-ref-x { opacity: 1; }
.ltv-ref-x:hover { transform: scale(1.2); }
.ltv-gi { width: 100%; background: var(--ltv-bg2); border: 1px solid var(--ltv-bd); border-radius: 9px; color: var(--ltv-tx); padding: 9px 11px; font-size: 12px; resize: vertical; line-height: 1.5; font-family: inherit; min-height: 80px; max-height: 320px; box-sizing: border-box; }
.ltv-gi:focus { outline: none; border-color: var(--ltv-pri); }
.ltv-gi::placeholder { color: var(--ltv-tx3); }
.ltv-genbar-row { display: flex; align-items: center; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.ltv-sel { background: var(--ltv-bg2); border: 1px solid var(--ltv-bd); border-radius: 8px; color: var(--ltv-tx); padding: 6px 8px; font-size: 11px; cursor: pointer; max-width: 130px; }
.ltv-sel:focus { outline: none; border-color: var(--ltv-pri); }
.ltv-sel.model { flex: 1; min-width: 110px; max-width: none; }
.ltv-chip2 { width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--ltv-bd2); background: var(--ltv-panel); color: var(--ltv-tx2); cursor: pointer; transition: .12s; flex: 0 0 auto; }
.ltv-chip2:hover { color: var(--ltv-tx); }
.ltv-chip2.on { background: var(--ltv-pri); color: #fff; border-color: var(--ltv-pri); }
.ltv-go { width: 34px; height: 34px; flex: 0 0 auto; margin-left: auto; border-radius: 9px; border: none; background: linear-gradient(135deg, #e0a13a, #c8791f); color: #fff; cursor: pointer; font-size: 14px; box-shadow: 0 4px 12px rgba(224, 161, 58, .4); transition: .12s; }
.ltv-go:hover { filter: brightness(1.1); }
.ltv-go:disabled { opacity: .6; cursor: default; }
.ltv-genbar.text .ltv-genbar-row { margin-top: 8px; }

/* ---------- 小地图 ---------- */
.ltv-minimap { position: absolute; right: 14px; bottom: 14px; width: 180px; height: 130px; background: rgba(15, 17, 23, .85); border: 1px solid var(--ltv-bd2); border-radius: 10px; z-index: 16; cursor: pointer; overflow: hidden; backdrop-filter: blur(4px); }
.ltv-minimap i { position: absolute; width: 7px; height: 7px; border-radius: 2px; transform: translate(-50%, -50%); }

/* ---------- 右键菜单 ---------- */
.ltv-ctx { position: fixed; z-index: 9999; background: var(--ltv-panel2); border: 1px solid var(--ltv-bd2); border-radius: 10px; padding: 5px; box-shadow: 0 16px 40px rgba(0, 0, 0, .6); min-width: 160px; }
.ltv-ctx.wide { min-width: 190px; }
.ltv-ctx-t { font-size: 10px; color: var(--ltv-tx3); padding: 6px 10px 3px; text-transform: uppercase; letter-spacing: .5px; }
.ltv-ctx-i { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 7px; cursor: pointer; font-size: 12px; color: var(--ltv-tx); }
.ltv-ctx-i:hover { background: var(--ltv-pri); color: #fff; }
.ltv-ctx-i.danger:hover { background: #ef4444; }
.ltv-ctx-i .ltv-badge { margin-left: auto; }

/* 滚动条 */
.ltv-left-panel::-webkit-scrollbar, .ltv-home::-webkit-scrollbar, .ltv-node-txt::-webkit-scrollbar { width: 7px; }
.ltv-left-panel::-webkit-scrollbar-thumb, .ltv-home::-webkit-scrollbar-thumb, .ltv-node-txt::-webkit-scrollbar-thumb { background: var(--ltv-bd2); border-radius: 4px; }

/* 导演台 / 合成台 打开按钮 */
.ltv-openbtn { margin-top: 12px; padding: 8px 18px; border: none; border-radius: 9px; background: linear-gradient(135deg, #e0a13a, #c8791f); color: #fff; cursor: pointer; font-size: 12px; font-weight: 600; box-shadow: 0 4px 12px rgba(224, 161, 58, .4); }
.ltv-openbtn:hover { filter: brightness(1.1); }
.ltv-tut { padding: 2px; }
.ltv-tut-i { background: var(--ltv-panel2); border: 1px solid var(--ltv-bd); border-radius: 9px; padding: 10px 11px; margin-bottom: 8px; }
.ltv-tut-i b { display: block; color: var(--ltv-pri); font-size: 12px; margin-bottom: 4px; }
.ltv-tut-i span { display: block; color: var(--ltv-tx2); font-size: 11px; line-height: 1.6; }
.ltv-wf-item { display: flex; align-items: center; gap: 9px; padding: 9px 10px; border: 1px solid var(--ltv-bd); border-radius: 9px; margin-bottom: 8px; cursor: pointer; }
.ltv-wf-item:hover { border-color: var(--ltv-pri); background: var(--ltv-panel2); }
.ltv-wf-item > i:first-child { color: var(--ltv-pri); }
.ltv-wf-b { flex: 1; min-width: 0; }
.ltv-wf-name { font-size: 12px; color: var(--ltv-tx); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ltv-wf-meta { font-size: 10px; color: var(--ltv-tx3); margin-top: 2px; }
.ltv-wf-del { color: var(--ltv-tx3); font-size: 12px; }
.ltv-wf-del:hover { color: #ef4444; }

/* 文本节点空状态（尝试：自己编写/文生视频/反推/生音乐） */
.ltv-text-empty { padding: 16px 14px; }
.ltv-text-empty .lte-ico { color: var(--ltv-tx3); font-size: 22px; text-align: center; opacity: .4; margin-bottom: 10px; }
.ltv-text-empty .lte-h { color: var(--ltv-tx3); font-size: 12px; margin-bottom: 6px; }
.ltv-text-empty .lte-i { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--ltv-tx); }
.ltv-text-empty .lte-i:hover { background: var(--ltv-panel2); }
.ltv-text-empty .lte-i i { width: 16px; color: var(--ltv-tx2); }
/* 工具栏 NEW 角标 */
.ltv-tb-badge { font-size: 8px; font-style: normal; background: var(--ltv-pri); color: #06121a; font-weight: 700; padding: 0 4px; border-radius: 5px; margin-left: 3px; vertical-align: middle; }

/* ===== 调试浮窗（AIGC 调用排查） ===== */
.ltv-dbg { position: fixed; right: 16px; bottom: 16px; width: 460px; max-height: 72vh; background: #14161d; border: 1px solid #2a2f3d; border-radius: 12px; box-shadow: 0 16px 48px rgba(0,0,0,.5); display: flex; flex-direction: column; z-index: 9999; font-size: 12px; color: #e7e9f0; overflow: hidden; }
.ltv-dbg-hd { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid #2a2f3d; background: #1a1d27; }
.ltv-dbg-hd b { font-size: 13px; color: #fff; display: flex; align-items: center; gap: 7px; }
.ltv-dbg-hd b i { color: #e0a13a; }
.ltv-dbg-acts { display: flex; gap: 6px; }
.ltv-dbg-acts button { width: 26px; height: 26px; border: none; border-radius: 7px; background: #232838; color: #98a2b6; cursor: pointer; font-size: 12px; }
.ltv-dbg-acts button:hover { background: #e0a13a; color: #fff; }
.ltv-dbg-body { overflow-y: auto; padding: 8px; flex: 1; }
.ltv-dbg-sec { font-size: 11px; color: #6b748a; margin: 8px 4px 5px; font-weight: 600; }
.ltv-dbg-row { border: 1px solid #232838; border-radius: 8px; margin-bottom: 6px; overflow: hidden; }
.ltv-dbg-row.bad { border-color: rgba(239,68,68,.5); }
.ltv-dbg-rh { display: flex; align-items: center; gap: 7px; padding: 8px 10px; cursor: pointer; background: #1a1d27; }
.ltv-dbg-rh:hover { background: #1f2330; }
.ltv-dbg-rh b { font-weight: 600; color: #e7e9f0; font-size: 12px; flex: 0 1 auto; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 230px; }
.ltv-dbg-sub { margin-left: auto; color: #6b748a; font-size: 10px; flex: 0 0 auto; }
.ltv-dbg-dot { width: 7px; height: 7px; border-radius: 50%; flex: 0 0 auto; }
.ltv-dbg-dot.ok { background: #22c55e; }
.ltv-dbg-dot.bad { background: #ef4444; }
.ltv-dbg-pre { margin: 0; padding: 10px 12px; background: #0d0e12; color: #cdd3e0; font-family: ui-monospace, Menlo, monospace; font-size: 11px; line-height: 1.5; white-space: pre-wrap; word-break: break-all; max-height: 340px; overflow-y: auto; border-top: 1px solid #232838; }
.ltv-dbg-empty { color: #6b748a; text-align: center; padding: 14px; font-size: 11px; }

/* ===== @ 引用图片/视频 ===== */
.ltv-node-at { position: absolute; top: 8px; right: 44px; width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; background: rgba(0,0,0,.55); color: #fff; border: none; border-radius: 8px; cursor: pointer; font-size: 13px; opacity: 0; transition: opacity .15s; z-index: 3; }
/* 全景节点「720」徽标（常显，对照 libtv）：点击进入全景预览，关闭查看器即退出 */
.ltv-node-720 { position: absolute; top: 8px; left: 8px; height: 30px; padding: 0 9px; display: inline-flex; align-items: center; gap: 4px; background: rgba(0, 0, 0, .62); color: #fff; border: none; border-radius: 8px; cursor: pointer; font-size: 12px; font-weight: 700; z-index: 3; backdrop-filter: blur(2px); }
.ltv-node-720:hover { background: var(--ltv-pri, #7c6df2); }
.ltv-node-720 i { font-size: 12px; }
.ltv-node:hover .ltv-node-at, .ltv-node.sel .ltv-node-at { opacity: 1; }
.ltv-node-at:hover { background: #ec4899; }
.ltv-at-menu { position: fixed; z-index: 100005; background: #1b1e2b; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.5); padding: 6px; max-height: 360px; overflow: auto; }
.ltv-at-sec { font-size: 10px; color: #6b748a; text-transform: uppercase; letter-spacing: .4px; margin: 6px 6px 4px; }
.ltv-at-tag { margin-left: auto; font-size: 11px; color: #8a90a0; font-weight: 500; }
/* 首尾帧模式：缩略图顶部「首帧/尾帧」徽标 + 缺帧占位框 */
.ltv-ref-thumb .ltv-frame-tag { left: 50%; transform: translateX(-50%); right: auto; top: -7px; bottom: auto; background: #e0a13a; color: #fff; font-size: 9px; padding: 0 5px; border-radius: 4px; white-space: nowrap; }
.ltv-ref-thumb .ltv-frame-tag.end { background: #f59e0b; color: #1a1d27; }
.ltv-ref-ph { width: 36px; height: 36px; border: 1px dashed #3a4150; border-radius: 8px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; color: #6b748a; font-size: 9px; cursor: pointer; gap: 1px; flex-shrink: 0; }
.ltv-ref-ph i { font-size: 10px; }
.ltv-ref-ph:hover { border-color: #e0a13a; color: #e8c073; }
/* 端口「引用该节点生成」菜单：暂不支持的类型置灰展示（对照 libtv，不隐藏，能力一目了然） */
.ltv-ctx-i.dis { opacity: .42; cursor: not-allowed; }
.ltv-ctx-i.dis:hover { background: transparent; color: inherit; }
/* 上传进度角标：节点底部叠加（阶段文案 + 百分比 + 进度条），blob 即显期间全程可见 */
.ltv-up-ov { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(10, 12, 18, .85); color: #cdd3e0; font-size: 11px; padding: 6px 10px 8px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; backdrop-filter: blur(2px); border-radius: 0 0 var(--ltv-rad) var(--ltv-rad); z-index: 3; pointer-events: none; }
.ltv-up-ov i.fas { color: #e0a13a; }
.ltv-up-bar { flex-basis: 100%; height: 3px; background: #2a2f3d; border-radius: 2px; overflow: hidden; }
.ltv-up-bar i { display: block; height: 100%; background: #e0a13a; border-radius: 2px; transition: width .2s; }
/* 文本节点编辑态：contenteditable 富文本 + 顶部浮动格式工具栏（「自己编写内容」或双击进入，失焦保存） */
.ltv-txt-editwrap { position: relative; }
.ltv-txt-bar { position: absolute; left: -1px; top: -46px; display: flex; align-items: center; gap: 2px; padding: 5px 8px; background: #14161d; border: 1px solid #2a2f3d; border-radius: 12px; box-shadow: 0 10px 26px rgba(0, 0, 0, .45); z-index: 20; white-space: nowrap; }
.ltv-txt-bar button { min-width: 28px; height: 26px; border: none; background: transparent; color: #cdd3e0; border-radius: 6px; cursor: pointer; font-size: 12px; display: inline-flex; align-items: center; justify-content: center; padding: 0 6px; }
.ltv-txt-bar button:hover { background: #1e3048; color: #e8c073; }
.ltv-txt-bar button[data-tcmd="clear"]:hover { background: #3b1f26; color: #ef4444; }
.ltv-tb-sep2 { width: 1px; height: 16px; background: #2a2f3d; margin: 0 4px; flex: 0 0 auto; }
.ltv-txt-edit { display: block; width: 100%; min-height: 170px; box-sizing: border-box; background: transparent; border: none; outline: none; color: var(--ltv-tx, #e6e8ef); font-size: 13px; line-height: 1.7; padding: 12px 14px; font-family: inherit; overflow: auto; user-select: text; cursor: text; white-space: pre-wrap; word-break: break-word; }
.ltv-txt-edit:empty::before { content: attr(data-ph); color: #6b748a; pointer-events: none; }
.ltv-node-txt { cursor: text; }
/* 富文本排版（编辑态与只读展示共用） */
.ltv-txt-edit h1, .ltv-node-txt h1 { font-size: 20px; font-weight: 700; margin: 10px 0 6px; line-height: 1.4; }
.ltv-txt-edit h2, .ltv-node-txt h2 { font-size: 17px; font-weight: 700; margin: 9px 0 5px; line-height: 1.4; }
.ltv-txt-edit h3, .ltv-node-txt h3 { font-size: 14.5px; font-weight: 600; margin: 8px 0 4px; line-height: 1.4; }
.ltv-txt-edit p, .ltv-node-txt p { margin: 4px 0; }
.ltv-txt-edit ul, .ltv-node-txt ul, .ltv-txt-edit ol, .ltv-node-txt ol { margin: 6px 0; padding-left: 22px; }
.ltv-txt-edit li, .ltv-node-txt li { margin: 2px 0; }
.ltv-txt-edit hr, .ltv-node-txt hr { border: none; border-top: 1px solid #2a2f3d; margin: 10px 0; }
/* 画布底部居中 dock（对齐 LibTV）：➕ 添加节点为主按钮，附历史/教程入口 */
.ltv-dock { position: fixed; left: calc(50% + 42px); bottom: 22px; transform: translateX(-50%); display: flex; align-items: center; gap: 4px; padding: 6px 8px; border-radius: 14px; border: 1px solid var(--ltv-bd2, #3a4150); background: rgba(26, 29, 39, .88); backdrop-filter: blur(6px); z-index: 80; box-shadow: 0 10px 28px rgba(0, 0, 0, .45); }
.ltv-dock-add { width: 40px; height: 36px; border-radius: 10px; border: none; background: var(--ltv-pri, #7c6df2); color: #fff; font-size: 15px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: transform .12s, filter .12s; }
.ltv-dock-add:hover { filter: brightness(1.12); transform: scale(1.06); }
.ltv-dock-sep { width: 1px; height: 20px; background: var(--ltv-bd2, #3a4150); margin: 0 2px; }
.ltv-dock-b { width: 36px; height: 36px; border-radius: 10px; border: none; background: transparent; color: var(--ltv-tx2, #98a2b6); font-size: 13px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .12s, color .12s; }
.ltv-dock-b:hover { background: var(--ltv-panel2, #20242f); color: #fff; }
.ltv-at-search { width: calc(100% - 12px); margin: 0 6px 6px; background: #11141d; border: 1px solid #2a2f3d; border-radius: 8px; color: #e6e8ef; padding: 7px 10px; font-size: 12px; box-sizing: border-box; }
.ltv-at-search:focus { outline: none; border-color: #e0a13a; }
.ltv-at-uprow { display: flex; gap: 6px; padding: 2px 2px 6px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 4px; }
.ltv-at-list { display: flex; flex-direction: column; gap: 2px; }
.ltv-at-item { display: flex; align-items: center; gap: 8px; padding: 7px 9px; border-radius: 7px; cursor: pointer; color: #d7dbe8; font-size: 13px; }
.ltv-at-item:hover { background: rgba(255,255,255,.08); }
.ltv-at-item.up { flex: 1; justify-content: center; background: rgba(255,255,255,.05); font-size: 12px; }
.ltv-at-thumb { width: 38px; height: 38px; border-radius: 6px; overflow: hidden; flex: 0 0 auto; background: #2a2e3e; }
.ltv-at-thumb img, .ltv-at-thumb video { width: 100%; height: 100%; object-fit: cover; }
.ltv-at-nm { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ltv-at-empty { padding: 14px; text-align: center; color: #8c93a8; font-size: 12px; }

/* 节点缩放手柄：右下角(se,宽+高) / 右边(e,宽) / 下边(s,高)，选中或 hover 时显现 */
.ltv-node-rz { position: absolute; z-index: 6; opacity: 0; transition: opacity .15s, background .15s; }
.ltv-node:hover .ltv-node-rz, .ltv-node.sel .ltv-node-rz { opacity: 1; }
.ltv-node-rz.se { right: 0; bottom: 0; width: 22px; height: 22px; cursor: nwse-resize; background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,.6) 40%, rgba(255,255,255,.6) 50%, transparent 50%, transparent 61%, rgba(255,255,255,.6) 61%, rgba(255,255,255,.6) 71%, transparent 71%); border-radius: 0 0 var(--ltv-rad, 12px) 0; }
.ltv-node-rz.e { right: -3px; top: 50px; bottom: 18px; width: 7px; cursor: ew-resize; border-radius: 4px; background: transparent; }
.ltv-node-rz.s { left: 18px; right: 24px; bottom: -3px; height: 7px; cursor: ns-resize; border-radius: 4px; background: transparent; }
.ltv-node.sel .ltv-node-rz.e, .ltv-node.sel .ltv-node-rz.s, .ltv-node:hover .ltv-node-rz.e, .ltv-node:hover .ltv-node-rz.s { background: rgba(255, 255, 255, .3); }
.ltv-node-rz.e:hover, .ltv-node-rz.s:hover { background: var(--ltv-pri); opacity: 1 !important; }
.ltv-node-rz.se:hover { background: linear-gradient(135deg, transparent 42%, var(--ltv-pri) 42%, var(--ltv-pri) 51%, transparent 51%, transparent 62%, var(--ltv-pri) 62%, var(--ltv-pri) 71%, transparent 71%); opacity: 1 !important; }
/* 边缘把手指示：选中/hover 时在右边、下边中点显示明显胶囊，一眼提示可拖拽 */
.ltv-node-rz.e::after, .ltv-node-rz.s::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(255, 255, 255, .8); border-radius: 3px; opacity: 0; transition: opacity .15s, background .15s; pointer-events: none; box-shadow: 0 0 4px rgba(0, 0, 0, .4); }
.ltv-node-rz.e::after { width: 4px; height: 30px; }
.ltv-node-rz.s::after { width: 30px; height: 4px; }
.ltv-node.sel .ltv-node-rz.e::after, .ltv-node.sel .ltv-node-rz.s::after, .ltv-node:hover .ltv-node-rz.e::after, .ltv-node:hover .ltv-node-rz.s::after { opacity: .95; }
.ltv-node-rz.e:hover::after, .ltv-node-rz.s:hover::after { background: var(--ltv-pri); opacity: 1; }

/* 框选矩形（左键拖空白） */
.ltv-marquee { position: fixed; z-index: 9998; border: 1.5px solid var(--ltv-pri, #7c6df2); background: rgba(124, 109, 242, .14); border-radius: 3px; pointer-events: none; }

/* 框选容器（多选 ≥2 节点）：虚线包围框 + 上方工具栏，可整体拖动（拖任一选中节点） */
.ltv-selbox { position: absolute; border: 1.5px dashed var(--ltv-pri, #7c6df2); border-radius: 10px; background: transparent; pointer-events: none; z-index: 12; } /* 提到节点之上(填充已去掉不遮内容),让工具条与下拉不被节点压住 */
.ltv-selbox-bar { position: absolute; left: auto; right: 0; top: -42px; display: flex; align-items: center; gap: 4px; background: var(--ltv-panel2, #20242f); border: 1px solid var(--ltv-bd2, #3a4150); border-radius: 9px; padding: 5px 8px; pointer-events: auto; white-space: nowrap; box-shadow: 0 6px 18px rgba(0, 0, 0, .4); z-index: 40; }
.ltv-selbox-cnt { font-size: 12px; color: var(--ltv-tx2, #b8becc); margin: 0 4px; font-weight: 600; }
.ltv-selbox-bar button { display: flex; align-items: center; gap: 4px; background: transparent; border: none; color: var(--ltv-tx, #e6e8ef); font-size: 12px; cursor: pointer; padding: 5px 9px; border-radius: 6px; }
.ltv-selbox-bar button:hover { background: rgba(255, 255, 255, .12); color: var(--ltv-pri, #9b8cff); }
.ltv-selbox-bar { cursor: move; }
.ltv-selbox-grip { color: #9aa0b0; padding: 0 4px; cursor: move; font-size: 12px; }
/* 容器边缘把手：悬停高亮，按住拖动 = 整组移动 */
.ltv-selbox-edge { position: absolute; pointer-events: auto; cursor: move; border-radius: 6px; transition: background .12s; }
.ltv-selbox-edge.t { left: 0; right: 0; top: -5px; height: 10px; }
.ltv-selbox-edge.b { left: 0; right: 0; bottom: -5px; height: 10px; }
.ltv-selbox-edge.l { top: 0; bottom: 0; left: -5px; width: 10px; }
.ltv-selbox-edge.r { top: 0; bottom: 0; right: -5px; width: 10px; }
.ltv-selbox-edge:hover { background: rgba(124, 109, 242, .3); }
/* 框选容器右侧 ⊕：整组连接到新生成节点 */
.ltv-selbox-plus { position: absolute; right: -17px; top: 50%; transform: translateY(-50%); width: 34px; height: 34px; border-radius: 50%; background: var(--ltv-pri, #7c6df2); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; pointer-events: auto; box-shadow: 0 6px 16px rgba(0, 0, 0, .45); font-size: 13px; transition: transform .12s; }
.ltv-selbox-plus:hover { transform: translateY(-50%) scale(1.15); }
/* 放大编辑框顶部参考缩略图条 */
.ltv-pm-refs { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 16px 0; align-items: center; }
.ltv-pm-refs .ltv-ref-thumb i.fa-music { font-size: 14px; color: #e0a13a; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
.ltv-pm-refs-empty { font-size: 11px; color: #6b748a; }
.ltv-pm-up { width: 36px; height: 36px; border: 1px dashed #3a4150; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; color: #98a2b6; cursor: pointer; background: #171a22; transition: border-color .12s, color .12s; }
.ltv-pm-up:hover { border-color: #e0a13a; color: #e8c073; }
/* 放大编辑 = 完整生成器大屏版：genbar 在弹窗内转为静态布局并放大输入区 */
.ltv-pm-box { width: min(840px, 94vw); }
.ltv-pm-genwrap { padding: 4px 6px 10px; }
.ltv-pm-genwrap .ltv-genbar { position: static; width: 100%; min-width: 0; border: none; box-shadow: none; background: transparent; }
.ltv-pm-genwrap .ltv-genbar::before { display: none; }
.ltv-pm-genwrap .ltv-gi { min-height: 40vh; max-height: 54vh; font-size: 14px; line-height: 1.7; }
.ltv-pm-genwrap .ltv-ref-thumb { width: 44px; height: 44px; }

/* 节点提示词输入框「放大编辑」按钮 */
.ltv-gi-wrap { position: relative; }
.ltv-gi-expand { position: absolute; top: 6px; right: 8px; width: 22px; height: 22px; border: none; background: rgba(0, 0, 0, .35); color: #fff; border-radius: 5px; cursor: pointer; font-size: 10px; opacity: 0; transition: opacity .15s, background .15s; display: flex; align-items: center; justify-content: center; }
.ltv-gi-wrap:hover .ltv-gi-expand { opacity: .85; }
.ltv-gi-expand:hover { opacity: 1; background: var(--ltv-pri, #7c6df2); }
/* 提示词放大编辑弹窗 */
.ltv-pm { position: fixed; inset: 0; z-index: 100002; display: none; align-items: center; justify-content: center; }
.ltv-pm-bg { position: absolute; inset: 0; background: rgba(0, 0, 0, .55); }
.ltv-pm-box { position: relative; width: min(720px, 92vw); background: var(--ltv-panel2, #20242f); border: 1px solid var(--ltv-bd2, #3a4150); border-radius: 12px; display: flex; flex-direction: column; box-shadow: 0 24px 70px rgba(0, 0, 0, .5); }
.ltv-pm-hd { display: flex; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--ltv-bd, #2a2f3a); color: var(--ltv-tx, #e6e8ef); }
.ltv-pm-hd b { flex: 1; font-size: 14px; display: flex; align-items: center; gap: 7px; }
.ltv-pm-x { cursor: pointer; color: var(--ltv-tx3, #8a90a0); }
.ltv-pm-x:hover { color: #ff6b6b; }
.ltv-pm-ta { margin: 14px 16px; min-height: 340px; max-height: 60vh; background: var(--ltv-bg2, #171a22); border: 1px solid var(--ltv-bd, #2a2f3a); border-radius: 9px; color: var(--ltv-tx, #e6e8ef); padding: 12px 14px; font-size: 14px; line-height: 1.6; resize: vertical; font-family: inherit; box-sizing: border-box; }
.ltv-pm-ta:focus { outline: none; border-color: var(--ltv-pri, #7c6df2); }
.ltv-pm-ft { display: flex; justify-content: flex-end; gap: 10px; padding: 0 16px 16px; }
.ltv-pm-cancel, .ltv-pm-ok { padding: 8px 20px; border-radius: 8px; border: none; cursor: pointer; font-size: 13px; }
.ltv-pm-cancel { background: var(--ltv-bd, #2a2f3a); color: var(--ltv-tx2, #b8becc); }
.ltv-pm-ok { background: var(--ltv-pri, #7c6df2); color: #fff; }

/* 画布元素面板 */
.ltv-elem-search-wrap { display: flex; align-items: center; gap: 6px; padding: 6px 9px; margin: 8px; background: var(--ltv-bg2); border: 1px solid var(--ltv-bd); border-radius: 8px; }
.ltv-elem-search-wrap i { color: var(--ltv-tx3); font-size: 11px; }
.ltv-elem-search { flex: 1; background: transparent; border: none; outline: none; color: var(--ltv-tx); font-size: 12px; }
.ltv-elem-search::placeholder { color: var(--ltv-tx3); }
.ltv-elem-list { overflow-y: auto; padding: 0 8px; max-height: calc(100vh - 240px); }
.ltv-elem-item { display: flex; align-items: center; gap: 9px; padding: 6px 8px; border-radius: 7px; cursor: pointer; transition: background .12s; }
.ltv-elem-item:hover { background: rgba(255,255,255,.06); }
.ltv-elem-item.on { background: rgba(224,161,58,.2); }
.ltv-elem-thumb { width: 34px; height: 34px; flex: 0 0 auto; border-radius: 6px; overflow: hidden; background: var(--ltv-bg2); display: flex; align-items: center; justify-content: center; font-size: 14px; color: #94a3b8; }
.ltv-elem-thumb img, .ltv-elem-thumb video { width: 100%; height: 100%; object-fit: cover; }
.ltv-elem-nm { flex: 1; font-size: 12px; color: var(--ltv-tx2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ltv-elem-count { padding: 8px 12px; font-size: 11px; color: var(--ltv-tx3); border-top: 1px solid var(--ltv-bd); margin-top: 4px; }
.ltv-elem-group { margin-bottom: 1px; }
.ltv-elem-ghead { display: flex; align-items: center; gap: 7px; padding: 7px 8px; cursor: pointer; border-radius: 7px; font-size: 12px; color: var(--ltv-tx); font-weight: 600; }
.ltv-elem-ghead:hover { background: rgba(255,255,255,.05); }
.ltv-elem-caret { font-size: 10px; color: var(--ltv-tx3); width: 10px; text-align: center; }
.ltv-elem-ghead > em { margin-left: auto; font-style: normal; font-size: 11px; color: var(--ltv-tx3); background: var(--ltv-bg2); padding: 1px 8px; border-radius: 10px; }
.ltv-elem-gbody { padding-left: 8px; }

/* 选框工具栏下拉(排列▾ / 打组▾):悬停展开,贴 LibTV 交互 */
.ltv-selbox-dd { position: relative; display: inline-flex; }
.ltv-selbox-dd .ltv-selbox-menu { display: none; position: absolute; top: 100%; left: 0; min-width: 132px; background: var(--ltv-panel2, #23262f); border: 1px solid var(--ltv-bd2, #3a3f4d); border-radius: 10px; padding: 6px; z-index: 60; box-shadow: 0 10px 28px rgba(0,0,0,.45); }
.ltv-selbox-dd:hover .ltv-selbox-menu { display: block; }
.ltv-selbox-menu a { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 7px; font-size: 12px; color: #cbd2e0; cursor: pointer; white-space: nowrap; }
.ltv-selbox-menu a:hover { background: rgba(224,161,58,.18); color: #fff; }
.ltv-selbox-menu a i { width: 14px; text-align: center; }

/* ===== 分组 v2:组底板容器 ===== */
.ltv-group-plate { position: absolute; background: rgba(224, 161, 58, .07); border: 1.5px dashed rgba(167, 139, 250, .45); border-radius: 14px; z-index: 0; pointer-events: none; }
.ltv-group-plate.collapsed { background: var(--ltv-panel2, #23262f); border: 1px solid rgba(167, 139, 250, .55); width: auto; height: auto; pointer-events: auto; box-shadow: 0 8px 22px rgba(0,0,0,.4); }
.ltv-gp-bar { position: absolute; top: 0; left: 0; right: 0; height: 34px; display: flex; align-items: center; gap: 7px; padding: 0 10px; pointer-events: auto; cursor: move; background: rgba(224, 161, 58, .14); border-radius: 12px 12px 0 0; }
.ltv-group-plate.collapsed .ltv-gp-bar { position: static; background: transparent; border-radius: 12px; height: 38px; }
.ltv-gp-name { font-size: 12.5px; font-weight: 700; color: #c9bfff; cursor: text; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ltv-gp-bar em { font-size: 11px; color: #8b90a3; font-style: normal; }
.ltv-gp-btn { background: transparent; border: none; color: #e8c073; cursor: pointer; font-size: 12px; padding: 4px 6px; border-radius: 6px; }
.ltv-gp-btn:hover { background: rgba(167, 139, 250, .22); color: #fff; }

/* 折叠卡片 v3:标准节点大小的「文件夹卡片」(头部条 + 2×2 成员缩略宫格) */
.ltv-group-plate.collapsed { width: 260px; border-radius: var(--ltv-rad, 14px); background: var(--ltv-panel, #1b1e27); border: 1px solid rgba(167, 139, 250, .5); box-shadow: 0 6px 20px rgba(0, 0, 0, .35); overflow: hidden; }
.ltv-group-plate.collapsed .ltv-gp-bar { position: static; height: 40px; gap: 8px; padding: 0 10px; background: rgba(224, 161, 58, .14); border-radius: 0; }
.ltv-gp-body { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 8px; cursor: pointer; }
.ltv-gp-tile { position: relative; aspect-ratio: 4/3; border-radius: 8px; overflow: hidden; background: #14161d; border: 1px solid #262a36; }
.ltv-gp-tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ltv-gp-tile-ic { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.ltv-gp-more { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0, 0, 0, .55); color: #fff; font-size: 16px; font-weight: 800; }

.ltv-gp-name[contenteditable="true"] { background: rgba(124, 109, 242, .28); outline: 1.5px solid var(--ltv-pri, #7c6df2); border-radius: 5px; min-width: 64px; padding: 1px 7px; cursor: text; }


/* ===== 左侧栏 v2(2026-07-11):单面板 + 顶部横向小页签,替代「窄列+悬浮二级面板」 ===== */
.ltv-left-v2 { width: 288px; flex: 0 0 288px; padding: 0; align-items: stretch; }
.ltv-ltabs-h { display: flex; align-items: stretch; gap: 2px; padding: 7px 6px; border-bottom: 1px solid var(--ltv-bd); flex: 0 0 auto; }
.ltv-ltab-h { flex: 1; min-width: 0; border: none; background: transparent; color: var(--ltv-tx2); cursor: pointer; border-radius: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; font-size: 9.5px; padding: 7px 0 6px; transition: .14s; }
.ltv-ltab-h i { font-size: 14px; }
.ltv-ltab-h:hover { background: var(--ltv-panel); color: var(--ltv-tx); }
.ltv-ltab-h.on { background: var(--ltv-panel2); color: var(--ltv-pri); }
.ltv-ltab-h.ltv-ltab-min { flex: 0 0 26px; color: var(--ltv-tx3); }
.ltv-left-panel-v2 { flex: 1; min-height: 0; overflow: auto; padding: 14px 12px; }
.ltv-left-panel-v2::-webkit-scrollbar { width: 7px; }
.ltv-left-panel-v2::-webkit-scrollbar-thumb { background: var(--ltv-bd2); border-radius: 4px; }