/* ===== 卡片通用 (🌟 方案 3: 视锥离屏虚拟化休眠) ===== */
#cards-layer { position: absolute; top: 0; left: 0; }
.card {
  position: absolute;
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  min-width: 200px;
  contain: layout style paint;
  content-visibility: auto;
  contain-intrinsic-size: 560px 315px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  transition: box-shadow .15s, border-color .15s;
}
.card:hover {
  border-color: rgba(var(--tc-rgb), .5);
  box-shadow: var(--shadow-hover);
}
.card img, .card video, .b-grid img {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
}

/* 卡片组: 徽章编号 + 组内淡环; 组内任一成员被选中时全组淡色提示 */
.card.grouped { outline: 1.5px dashed rgba(255,255,255,.16); outline-offset: 2px; }
.card .group-badge {
  position: absolute; top: -9px; left: 10px; z-index: 5;
  padding: 1px 7px; border-radius: 8px;
  font-size: 10px; font-weight: 700; letter-spacing: .5px;
  background: #2c3350; color: #aebcf5;
  border: 1px solid rgba(var(--c-accent-rgb), .55);
  box-shadow: 0 2px 8px rgba(3,6,14,.5);
  pointer-events: none;
}
.card.peer-hint { border-color: rgba(var(--c-accent-rgb), .45); }
/* 类型主题色: 顶部渐变条 + 标题区淡彩 */
.card.image  { --tc: var(--c-image);  --tc-rgb: var(--c-image-rgb); container-type: inline-size; }  /* 容器查询: 卡内按钮按卡宽自适应 (1cqw = 卡宽 1%) */
.card.prompt { --tc: var(--c-prompt); --tc-rgb: var(--c-prompt-rgb); }
.card.video  { --tc: var(--c-video);  --tc-rgb: var(--c-video-rgb); container-type: inline-size; }
.card.note   { --tc: var(--c-note);   --tc-rgb: var(--c-note-rgb); }
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  border-radius: var(--r-card) var(--r-card) 0 0;
  background: linear-gradient(90deg, var(--tc), transparent 85%);
  opacity: .95;
}
/* 选中态: 深红加粗描边 + 红光晕 (框选/Shift多选/点击选中时一眼看出哪些被选中, 最高优先级) */
.card.selected,
.card.prompt.selected,
.card.image.selected,
.card.video.selected,
.card.note.selected {
  border: 2px solid #f43f5e !important;
  box-shadow: 0 0 0 3px rgba(244,63,94,.3), 0 0 28px rgba(244,63,94,.4), var(--shadow-hover) !important;
}
.card .card-header {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 12px;
  cursor: move;
  border-radius: 13px 13px 0 0;
  background: linear-gradient(180deg, rgba(var(--tc-rgb), .10), transparent);
}
.card .card-header .card-emoji { font-size: 15px; }
.card .card-header .card-title {
  flex: 1; font-size: 12.5px; font-weight: 600; color: var(--tx-2);
  border: none; background: transparent; outline: none; color: inherit; font: inherit;
  min-width: 0; cursor: move; pointer-events: none;
}
.card .card-header .card-title:not([readonly]) { pointer-events: auto; cursor: text; }
.card .card-header .btn-del {
  border: none; background: transparent; color: var(--tx-3);
  cursor: pointer; font-size: 13px; line-height: 1; padding: 3px 5px; border-radius: 6px;
  transition: color .12s, background .12s;
}
.card .card-header .btn-del:hover { color: #ff8a8a; background: rgba(229,72,77,.15); }
/* 💾 保存默认参数: 标题行右侧, 提示词卡专属 */
.card .card-header .btn-save-params {
  border: none; background: transparent; color: var(--tx-3);
  cursor: pointer; font-size: 13px; line-height: 1; padding: 3px 5px; border-radius: 6px;
  transition: color .12s, background .12s, transform .12s;
}
.card .card-header .btn-save-params:hover { color: #7db8ff; background: rgba(91,140,255,.16); }
.card .card-header .btn-save-params:active { transform: scale(.9); }
/* 🆔 作品 ID / 任务 ID 徽章: 视频卡标题栏右上角, 点击复制 */
.card .card-header .card-task-id-badge {
  border: 1px solid rgba(56,189,248,.35);
  background: rgba(14,116,144,.2);
  color: #38bdf8;
  cursor: pointer;
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 600;
  line-height: 1;
  padding: 3px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all .15s ease;
  white-space: nowrap;
}
.card .card-header .card-task-id-badge:hover {
  background: rgba(14,116,144,.45);
  color: #7dd3fc;
  border-color: rgba(56,189,248,.6);
  transform: translateY(-1px);
}
.card .card-header .card-task-id-badge:active {
  transform: scale(.94);
}
.card .card-body { padding: 10px 12px 12px; }

/* 提示词卡: 工作区主卡, 整卡 16:9 横版; 纯黑背景 */
.card.prompt {
  display: flex; flex-direction: column; aspect-ratio: 16 / 9;
  background: #000000;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: var(--shadow-card);
}
.card.prompt:hover {
  border-color: rgba(var(--tc-rgb), .6);
  box-shadow: var(--shadow-hover);
}
.card.prompt .card-header {
  background: linear-gradient(180deg, rgba(139, 140, 248, .12), transparent);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.card.prompt .card-body {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column;
}
/* 输入区: textarea + 右下浮动 @ 按钮 + 左下字数统计 */
.card.prompt .prompt-wrap { position: relative; flex: 1; min-height: 0; display: flex; }
.card.prompt textarea {
  flex: 1; min-height: 0; width: 100%; resize: none;   /* 锁定整卡 16:9, 不允许手动拉高变形 */
  overflow-y: auto; overflow-x: hidden;
  background: #000000;
  color: #edf2fc;
  border: 1px solid rgba(139, 140, 248, .28);
  border-radius: 11px;
  padding: 13px 14px 24px 14px;   /* 底部留位给字数统计; 功能按钮已移到输入框下方工具栏 */
  font-size: 13.5px; line-height: 1.65; letter-spacing: .02em;
  outline: none; font-family: inherit;
  user-select: text; -webkit-user-select: text; cursor: text;
  box-shadow: inset 0 1px 4px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.03);
  transition: border-color .18s, box-shadow .22s, filter .18s;
}
.card.prompt textarea::placeholder {
  color: #7a87a8;
  font-size: 13.5px;
  letter-spacing: .02em;
}
.card.prompt textarea:hover {
  border-color: rgba(139, 140, 248, .5);
  box-shadow: inset 0 1px 4px rgba(0,0,0,.7), 0 0 12px rgba(139, 140, 248, .12);
}
.card.prompt textarea:focus {
  border-color: rgba(139, 140, 248, .9);
  box-shadow: 0 0 0 3px rgba(139, 140, 248, .22), 0 0 22px rgba(139, 140, 248, .25), inset 0 1px 4px rgba(0,0,0,.7);
}
/* 细滚动条 */
.card.prompt textarea::-webkit-scrollbar { width: 7px; }
.card.prompt textarea::-webkit-scrollbar-track { background: transparent; }
.card.prompt textarea::-webkit-scrollbar-thumb { background: #262c3e; border-radius: 4px; border: 1px solid rgba(255,255,255,.05); }
.card.prompt textarea::-webkit-scrollbar-thumb:hover { background: #3b4562; }
/* 左下字数统计 */
.card.prompt .prompt-count {
  position: absolute; left: 11px; bottom: 7px; z-index: 2;
  font-size: 10.5px; color: #727e9e; letter-spacing: .04em;
  padding: 1px 6px; border-radius: 4px;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06);
  pointer-events: none;
}
/* 工具栏: 输入框下方独立一行功能键 (🎥 📋 @ 😂), 不再浮在输入框内挡提示词 */
.card.prompt .prompt-toolbar {
  display: flex; gap: 6px; padding: 6px 2px 2px;
}
.card.prompt .prompt-toolbar button {
  width: 30px; height: 30px; flex: 0 0 30px;
  border-radius: 9px; cursor: pointer;
  background: #000000;
  border: 1px solid rgba(255, 255, 255, .12);
  display: inline-flex; align-items: center; justify-content: center;
  transition: filter .15s, transform .12s, box-shadow .15s, border-color .15s, background .15s;
}
.card.prompt .prompt-toolbar button:hover { filter: brightness(1.3); transform: scale(1.08); }

/* @ 按钮: 唤起素材引用菜单 */
.card.prompt .prompt-toolbar .btn-mention {
  border: 1px solid rgba(var(--c-prompt-rgb), .45);
  background: linear-gradient(135deg, rgba(91,140,255,.35), rgba(139,92,246,.4));
  color: #d5d9ff; font-size: 15px; font-weight: 700;
}
.card.prompt .prompt-toolbar .btn-mention:hover { box-shadow: 0 0 14px rgba(var(--c-prompt-rgb), .35); }
.card.prompt .prompt-toolbar .btn-mention.no-refs { opacity: .35; cursor: not-allowed; }

/* 提示词模板库按钮 */
.card.prompt .prompt-toolbar .btn-templates {
  border: 1px solid rgba(251,191,36,.4);
  background: rgba(251,191,36,.14);
  color: #fcd34d; font-size: 13px;
}
.card.prompt .prompt-toolbar .btn-templates:hover { box-shadow: 0 0 14px rgba(251,191,36,.3); }

/* 镜头模板按钮 (快捷键 /) */
.card.prompt .prompt-toolbar .btn-shots {
  border: 1px solid rgba(45,212,191,.4);
  background: rgba(45,212,191,.13);
  color: #5eead4; font-size: 13px;
}
.card.prompt .prompt-toolbar .btn-shots:hover { box-shadow: 0 0 14px rgba(45,212,191,.3); }

/* 😂 快捷预设命令按钮 */
.card.prompt .prompt-toolbar .btn-rubbish {
  border: 1px solid rgba(255, 255, 255, .15);
  background: #000000;
  font-size: 14px;
}
.card.prompt .prompt-toolbar .btn-rubbish:hover {
  border-color: rgba(255, 255, 255, .4);
  background: #11141c;
  box-shadow: 0 0 12px rgba(255, 255, 255, .15);
}

/* 镜头模板菜单: 标签云 (与 @ 引用菜单同风格, 青色主题) */
.shot-menu {
  position: fixed; z-index: 9999; width: 330px;
  background: rgba(28,32,48,.97); backdrop-filter: blur(8px);
  border: 1px solid rgba(45,212,191,.35); border-radius: 11px;
  box-shadow: 0 10px 32px rgba(3,6,14,.6), 0 0 20px rgba(45,212,191,.1);
  padding: 8px; overflow-y: auto; max-height: 380px;
}
.shot-menu .shot-head {
  padding: 2px 4px 6px; font-size: 11px; font-weight: 700;
  color: var(--tx-3); letter-spacing: 1px;
}
.shot-menu .shot-head span { font-weight: 400; letter-spacing: 0; margin-left: 6px; }
.shot-menu .shot-group { margin-bottom: 7px; }
.shot-menu .shot-gname { font-size: 10.5px; color: var(--tx-3); padding: 0 4px 4px; }
.shot-menu .shot-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.shot-menu .shot-tag {
  padding: 4px 9px; border-radius: 20px; font-size: 12px;
  border: 1px solid rgba(45,212,191,.3); background: rgba(45,212,191,.08);
  color: #9ae8d8; cursor: pointer;
  transition: background .12s, filter .12s, transform .1s;
}
.shot-menu .shot-tag:hover { background: rgba(45,212,191,.22); filter: brightness(1.15); transform: translateY(-1px); }
.shot-menu .shot-tag:active { transform: scale(.95); }
.shot-menu .shot-tag.shot-custom { border-color: rgba(251,191,36,.35); background: rgba(251,191,36,.08); color: #fcd98a; }
.shot-menu .shot-foot { border-top: 1px solid rgba(255,255,255,.07); margin-top: 2px; padding-top: 7px; }
.shot-menu .shot-input {
  width: 100%; padding: 6px 9px; border-radius: 7px; font-size: 12px;
  border: 1px dashed rgba(45,212,191,.4); background: rgba(255,255,255,.03);
  color: var(--tx); outline: none;
}
.shot-menu .shot-input:focus { border-style: solid; background: rgba(255,255,255,.06); }

/* 模板菜单浮层 (与 @ 引用菜单同风格) */
.tpl-menu {
  position: fixed; z-index: 9999; min-width: 240px; max-width: 340px;
  background: rgba(28,32,48,.96); backdrop-filter: blur(8px);
  border: 1px solid rgba(251,191,36,.35); border-radius: 11px;
  box-shadow: 0 10px 32px rgba(3,6,14,.6), 0 0 20px rgba(251,191,36,.1);
  padding: 5px; overflow: hidden;
  max-height: 320px; display: flex; flex-direction: column;
}
.tpl-menu .tpl-head {
  padding: 5px 8px 4px; font-size: 11px; font-weight: 700;
  color: var(--tx-3); letter-spacing: 1px;
}
.tpl-menu .tpl-item {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 8px; border-radius: 7px; cursor: pointer; color: #cfd6e4;
}
.tpl-menu .tpl-item:hover { background: #2a3048; }
.tpl-menu .tpl-name {
  font-size: 13px; font-weight: 600; white-space: nowrap; flex-shrink: 0;
  max-width: 110px; overflow: hidden; text-overflow: ellipsis;
}
.tpl-menu .tpl-preview {
  flex: 1; font-size: 11px; color: var(--tx-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tpl-menu .tpl-del {
  flex-shrink: 0; width: 20px; height: 20px; border: none; border-radius: 5px;
  background: transparent; color: var(--tx-3); font-size: 10px; cursor: pointer;
  opacity: 0; transition: opacity .12s, background .12s, color .12s;
}
.tpl-menu .tpl-item:hover .tpl-del { opacity: 1; }
.tpl-menu .tpl-del:hover { background: rgba(255,107,107,.2); color: #ff8a8a; }
.tpl-menu .tpl-empty {
  padding: 14px 12px; font-size: 12px; color: var(--tx-3);
  text-align: center; line-height: 1.7;
}
.tpl-menu .tpl-foot { border-top: 1px solid rgba(255,255,255,.07); margin-top: 4px; padding-top: 5px; }
.tpl-menu .tpl-save {
  display: block; width: 100%; padding: 7px 8px; border-radius: 7px;
  border: 1px dashed rgba(251,191,36,.45); background: rgba(251,191,36,.08);
  color: #fcd34d; font-size: 12.5px; cursor: pointer; transition: background .15s, filter .15s;
}
.tpl-menu .tpl-save:hover:not(:disabled) { background: rgba(251,191,36,.18); filter: brightness(1.1); }
.tpl-menu .tpl-save:disabled { opacity: .35; cursor: not-allowed; }

/* 图片卡 */
.card.image .img-holder {
  border-radius: 10px; overflow: hidden; background: #12161f;
  border: 1px solid rgba(var(--c-image-rgb), .18);
  display: flex; align-items: center; justify-content: center;
  min-height: 70px; position: relative;
}
.card.image img { max-width: 100%; display: block; pointer-events: none; }
.card.video video { max-width: 100%; display: block; border-radius: 10px; background: #000; }
.card.video .img-holder { position: relative; }   /* 让悬浮按钮(替换/定位/徽章)锚定在媒体区 */
.card.image .img-placeholder { color: #565e70; font-size: 12px; padding: 18px 12px; text-align: center; }
/* 图片卡: 无标题栏, 图片填满整卡, 只留顶部类型色条 */
.card.image .card-body { padding: 0; }
.card.image .img-holder {
  border: none; border-radius: var(--r-card); min-height: 90px;
}
.card.image .img-holder img { width: 100%; }
/* 图片卡: 悬浮删除按钮 (左上角, 替代原标题栏的删除) — 尺寸跟随卡宽自适应 */
.card-del-float {
  position: absolute; top: 6px; left: 6px; z-index: 6;
  width: clamp(26px, 5.5cqw, 44px); height: clamp(26px, 5.5cqw, 44px);
  border: none; border-radius: 9px;
  background: rgba(15,17,23,.72); color: var(--tx-2);
  font-size: clamp(13px, 2.8cqw, 22px);
  cursor: pointer; opacity: 0;
  transition: opacity .15s, color .12s, background .12s;
}
.card.image:hover .card-del-float { opacity: 1; }
.card-del-float:hover { color: #ff8a8a; background: rgba(229,72,77,.35); }
.card .img-caption {
  margin-top: 8px; width: 100%; background: transparent; border: none; outline: none;
  color: #8b94a8; font-size: 12px; font-family: inherit; cursor: text;
  user-select: text; -webkit-user-select: text;
}
.card.image .img-replace {
  position: absolute; bottom: 6px; left: 78px;   /* 2026-08-19: 从右上角移到 ✂︎ 宫格 (left:6px) 右边 */
  padding: clamp(6px, 1.4cqw, 14px) clamp(10px, 2.4cqw, 24px);
  border: none; border-radius: 9px;
  background: rgba(20,22,28,.72); color: #cfd6e4;
  font-size: clamp(13px, 2.5cqw, 21px);
  cursor: pointer; opacity: 0; transition: opacity .15s;
}
.card.image:hover .img-replace { opacity: 1; }
/* 📍定位 + ❌删 按钮组: 悬停显现 */
.card.video .img-actions {
  position: absolute; bottom: 6px; right: 6px;
  display: flex; gap: clamp(5px, 1cqw, 10px);
  opacity: 0; transition: opacity .15s;
}
.card.video:hover .img-actions { opacity: 1; }
.card.video .img-actions > button {
  padding: clamp(6px, 1.4cqw, 14px) clamp(10px, 2.4cqw, 24px);
  border: none; border-radius: 9px;
  background: rgba(20,22,28,.72); color: #cfd6e4;
  font-size: clamp(13px, 2.5cqw, 21px);
  cursor: pointer;
}
.card.video .img-actions > button:hover { background: rgba(30,34,44,.92); }
.card.video .img-actions .video-edit-btn:hover { background: rgba(2, 132, 199, 0.88); color: #fff; }
.card.video .img-actions .img-del:hover { background: rgba(120,26,26,.9); color: #ffd9d9; }
.card.video .img-actions > button:disabled { opacity: .45; cursor: wait; }

/* 🌟 方案1: 上下分层停靠 — 卡片管理操作栏平滑停靠在底部 (鼠标悬停浮现) */
.card.image .img-actions {
  position: absolute;
  bottom: 8px;
  right: 8px;
  top: auto;
  left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 3px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.55);
  z-index: 15;
  opacity: 0;
  pointer-events: none;
  transform: translateY(3px);
  transition: opacity .15s ease, transform .15s ease;
}
.card.image:hover .img-actions {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.card.image .img-actions > button,
.card.image .img-actions .bgm-asset-wrap .bgm-act-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 24px;
  box-sizing: border-box;
}
.card.image .img-actions > button:hover,
.card.image .img-actions .bgm-asset-wrap .bgm-act-btn:hover {
  background: rgba(56, 189, 248, 0.22);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.45);
  transform: translateY(-1px);
}
.card.image .img-actions .img-del:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.5);
}
.card.image .img-actions .img-replace {
  position: static !important;
  opacity: 1 !important;
}


/* ⭐ 存资产按钮在画布悬停条(.img-actions)内的适配: 与「定位」「删」按钮对齐 */
.img-actions .bgm-asset-wrap {
  align-self: center;
  flex-shrink: 0;
}
.img-actions .bgm-act-btn.bgm-act-asset {
  font-size: clamp(11px, 1.8cqw, 15px);
  padding: clamp(4px, 0.8cqw, 7px) clamp(8px, 1.6cqw, 16px);
  white-space: nowrap;
}

/* 便签卡: 琥珀暖色 */
.card.note { background: #262316; border-color: #453f22; }
.card.note textarea {
  width: 100%; min-height: 66px; resize: vertical;
  background: transparent; border: none; color: #efe6b8;
  font-size: 13px; line-height: 1.55; outline: none; font-family: inherit;
  user-select: text; -webkit-user-select: text; cursor: text;
}
.card.note::before { background: linear-gradient(90deg, var(--c-note), transparent 85%); }

/* 连接点(左右双连线锚点): 「一个球」3D 琉璃虚空雷暴专属球体皮肤 */
.link-port {
  position: absolute; top: 36%; transform: translateY(-50%);
  width: 36px; height: 36px; border-radius: 50%; overflow: hidden;
  border: 2px solid rgba(var(--tc-rgb, var(--c-accent-rgb)), .85);
  background: radial-gradient(circle at 35% 30%, rgba(var(--tc-rgb, var(--c-accent-rgb)), .65) 0%, rgba(147, 51, 234, 0.35) 45%, #05060b 85%, #020306 100%);
  box-shadow: 0 0 14px rgba(var(--tc-rgb, var(--c-accent-rgb)), .45), 0 0 28px rgba(99, 102, 241, .25),
              inset 0 0 10px rgba(var(--tc-rgb, var(--c-accent-rgb)), .25);
  cursor: crosshair; z-index: 5;
  opacity: .5;
  transition: transform .15s, box-shadow .2s, opacity .15s, border-color .2s;
}
.link-port.port-right { right: -18px; }
.link-port.port-left { left: -18px; }

/* 锁定/激活产物朝向状态 (高亮发光 + 闪电脉冲) */
.link-port.locked {
  opacity: 0.95;
  border-color: #38bdf8;
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.9), 0 0 32px rgba(147, 51, 234, 0.6),
              inset 0 0 12px rgba(255, 255, 255, 0.5);
}
.link-port.locked::after {
  opacity: 0.85;
  animation: void-lightning-strike 1.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* 顶部 3D 琉璃球切面反光 */
.link-port::before {
  content: ''; position: absolute; top: 1px; left: 14%; right: 14%; height: 46%;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0.08) 70%, transparent 100%);
  pointer-events: none; z-index: 2;
}

/* 内部闪电电弧层 */
.link-port::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    transparent 40%,
    rgba(255, 255, 255, 0.85) 48%,
    rgba(var(--tc-rgb, var(--c-accent-rgb)), 0.95) 50%,
    rgba(255, 255, 255, 0.85) 52%,
    transparent 60%,
    transparent 100%
  );
  background-size: 200% 200%;
  background-position: -120% 0;
  opacity: .4; pointer-events: none; z-index: 1;
  transition: opacity .2s;
}

/* 悬停: 3D虚空雷暴激活 · 闪电撕裂 + 高亮磁场爆发 */
.link-port:hover {
  opacity: 1;
  transform: translateY(-50%) scale(1.22);
  border-color: rgba(var(--tc-rgb, var(--c-accent-rgb)), 1);
  box-shadow: 0 0 20px rgba(var(--tc-rgb, var(--c-accent-rgb)), .85), 0 0 40px rgba(147, 51, 234, .5),
              inset 0 0 16px rgba(var(--tc-rgb, var(--c-accent-rgb)), .4);
}
.link-port:hover::after {
  opacity: 1;
  animation: void-lightning-strike 1.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* 缩放控制 */
#zoombar {
  position: absolute; right: 16px; bottom: 44px;
  display: flex; align-items: center; gap: 6px;
  background: rgba(25,29,39,.92); backdrop-filter: blur(8px);
  border: 1px solid var(--panel-line); border-radius: 12px;
  padding: 5px 8px; z-index: 15;
  box-shadow: 0 6px 20px rgba(3,6,14,.45);
}
#zoombar button {
  border: none; background: transparent; color: var(--tx-2);
  width: 26px; height: 26px; border-radius: 7px; cursor: pointer; font-size: 14px;
  transition: background .12s, color .12s;
}
#zoombar button:hover { background: rgba(255,255,255,.1); color: var(--tx); }
#zoom-slider {
  width: 110px; height: 4px; cursor: pointer;
  accent-color: var(--accent);
}
#zoom-label { font-size: 12px; color: var(--tx-3); min-width: 42px; text-align: center; }
#zoombar .tb-sep { height: 16px; margin: 0 2px; }

/* 底部提示 */
#hintbar {
  padding: 7px 14px; font-size: 11.5px; color: var(--tx-3);
  background: var(--panel); border-top: 1px solid var(--panel-line);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Toast */
#toast {
  position: fixed; left: 50%; bottom: 70px; transform: translateX(-50%) translateY(16px);
  background: rgba(24, 28, 40, .96); color: var(--tx); border: 1px solid var(--panel-line);
  padding: 9px 18px; border-radius: 12px; font-size: 13px;
  opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s;
  z-index: 100005; box-shadow: 0 10px 30px rgba(3,6,14,.55);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; gap: 12px;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-action-btn {
  background: rgba(56, 189, 248, 0.18);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.4);
  padding: 3px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}
.toast-action-btn:hover {
  background: rgba(56, 189, 248, 0.3);
  color: #e0f2fe;
  border-color: #38bdf8;
  transform: scale(1.04);
}
.toast-action-btn:active {
  transform: scale(0.96);
}

/* ⭐ 设为主图按钮 & 提示词卡顶主图展台 */
.card.image .img-actions .btn-set-main,
.card.video .img-actions .btn-set-main {
  font-size: clamp(11px, 1.8cqw, 15px);
  padding: clamp(4px, 0.8cqw, 7px) clamp(8px, 1.6cqw, 16px);
  white-space: nowrap;
  background: rgba(239, 68, 68, 0.22);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.45);
}
.card.image .img-actions .btn-set-main:hover,
.card.video .img-actions .btn-set-main:hover {
  background: rgba(239, 68, 68, 0.45);
  color: #fff;
  border-color: #ef4444;
}
.card.image .img-actions .btn-set-main.is-main,
.card.video .img-actions .btn-set-main.is-main {
  background: linear-gradient(135deg, #ef4444, #dc2626) !important;
  color: #fff !important;
  font-weight: 700;
  border-color: #f87171 !important;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

/* 主图角标 (常驻显示在图片卡左上角) */
.badge-main-image {
  position: absolute;
  top: 8px;
  left: 8px;
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  color: #fff;
  font-weight: 800;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 12px rgba(239, 68, 68, 0.5);
  z-index: 6;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 提示词卡「左上角悬浮主图胶囊 + 悬停展开大图」(方案 1: 零挤占提示词 + 隐形安全桥 + 250ms防抖缓冲) */
.card.prompt:has(.prompt-main-float:hover),
.card.prompt:has(.prompt-main-float.is-open) {
  contain: layout style; /* 悬停时临时解除 paint 裁剪，确保浮层大图畅通展示 */
  z-index: 50 !important; /* 提升层级，不被周围卡片遮挡 */
}

.prompt-main-float {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-right: 6px;
  flex-shrink: 0;
  z-index: 25;
}

/* 常态微缩胶囊 */
.prompt-main-float .main-float-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px 2px 6px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s ease;
  user-select: none;
}

/* 已设主图态: 红金高亮胶囊 */
.prompt-main-float.has-main .main-float-pill {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.28), rgba(185, 28, 28, 0.38));
  border: 1px solid rgba(239, 68, 68, 0.65);
  color: #fca5a5;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.25);
}
.prompt-main-float.has-main:hover .main-float-pill,
.prompt-main-float.has-main.is-open .main-float-pill {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  border-color: #f87171;
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.55);
}

.prompt-main-float .pill-crown {
  font-size: 12px;
}
.prompt-main-float .pill-model {
  font-weight: 800;
  letter-spacing: 0.3px;
}
.prompt-main-float .pill-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #000;
  flex-shrink: 0;
}
.prompt-main-float .pill-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 未设主图态 (仅在资产卡显示低调待设胶囊) */
.prompt-main-float.is-empty .main-float-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed rgba(239, 68, 68, 0.4);
  color: #94a3b8;
  font-size: 10.5px;
}
.prompt-main-float.is-empty:hover .main-float-pill,
.prompt-main-float.is-empty.is-open .main-float-pill {
  border-color: #ef4444;
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.12);
}

/* 悬停弹出大图展台 (绝对定位浮层，零挤占布局) */
.prompt-main-float .main-float-popover {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 6px;
  width: 360px;
  background: #090d16;
  border: 2px solid #ef4444;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.85), 0 0 24px rgba(239, 68, 68, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.97);
  transition: opacity .18s cubic-bezier(0.16, 1, 0.3, 1), transform .18s cubic-bezier(0.16, 1, 0.3, 1), visibility .18s;
  transition-delay: 250ms; /* 250ms 防抖缓冲：移开时不立刻突兀消失 */
  pointer-events: none;
  z-index: 100;
}

/* 隐形安全桥（Safe Hover Bridge）: 覆盖胶囊与下方弹出展台之间的空隙及斜向移动区域，防止滑出丢失 */
.prompt-main-float .main-float-popover::before {
  content: '';
  position: absolute;
  left: -20px;
  right: -20px;
  top: -16px;
  height: 20px;
  background: transparent;
  pointer-events: auto;
}

/* 悬停或处于打开防抖状态展开 */
.prompt-main-float:hover .main-float-popover,
.prompt-main-float.is-open .main-float-popover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  transition-delay: 0ms; /* 进入时立即唤起，零延迟 */
}

/* 浮层内容 */
.main-float-popover .popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: rgba(239, 68, 68, 0.2);
  border-bottom: 1px solid rgba(239, 68, 68, 0.3);
}
.main-float-popover .popover-title {
  font-size: 12px;
  font-weight: 700;
  color: #fca5a5;
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-float-popover .popover-tag {
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
}
.main-float-popover .popover-btns {
  display: flex;
  gap: 6px;
  align-items: center;
}
.main-float-popover .popover-btns button {
  padding: 2px 7px;
  font-size: 11px;
  border-radius: 4px;
  cursor: pointer;
  border: none;
}
.main-float-popover .btn-preview-main {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}
.main-float-popover .btn-preview-main:hover {
  background: rgba(255, 255, 255, 0.28);
}
.main-float-popover .btn-clear-main {
  background: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.4) !important;
}
.main-float-popover .btn-clear-main:hover {
  background: rgba(239, 68, 68, 0.6);
  color: #fff;
}

.main-float-popover .popover-img-wrap {
  position: relative;
  max-height: 200px;
  min-height: 120px;
  background: #020617;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
}
.main-float-popover .popover-img-wrap img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  display: block;
}
.main-float-popover .popover-empty-tip {
  padding: 16px 12px;
  text-align: center;
  color: #f87171;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.main-float-popover .popover-empty-tip small {
  font-size: 10.5px;
  color: #94a3b8;
  font-weight: 400;
}

/* ===== 🎵 角色声线卡 (type: audio) ===== */
.card.audio {
  --tc: #a855f7;
  --tc-rgb: 168, 85, 247;
  border-color: rgba(168, 85, 247, 0.4);
  background: linear-gradient(180deg, #131226 0%, #0d0c1a 100%);
}
.card.audio .card-title {
  color: #d8b4fe;
  font-weight: 600;
}
.audio-card-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.audio-wave-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 10px;
  padding: 10px 12px;
}
.audio-play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #a855f7;
  color: #fff;
  border: none;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(168, 85, 247, 0.4);
  transition: transform .1s, background .15s;
  flex-shrink: 0;
}
.audio-play-btn:hover {
  transform: scale(1.06);
  background: #c084fc;
}
.audio-info-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.audio-title-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.audio-dur-tag {
  font-size: 11px;
  font-family: monospace;
  color: #c084fc;
  font-weight: 700;
}
.audio-role-badge {
  font-size: 11px;
  background: rgba(168, 85, 247, 0.25);
  color: #f3e8ff;
  border: 1px solid rgba(168, 85, 247, 0.45);
  border-radius: 12px;
  padding: 1px 7px;
  font-weight: 600;
}
.audio-track-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.audio-track-progress {
  height: 100%;
  background: linear-gradient(90deg, #a855f7, #e879f9);
  width: 0%;
  border-radius: 3px;
  transition: width 0.05s linear;
}
.audio-text-note {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.4;
  background: rgba(0, 0, 0, 0.2);
  padding: 6px 10px;
  border-radius: 6px;
  word-break: break-all;
}
.audio-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.audio-actions button {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #cbd5e1;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.audio-actions button:hover {
  background: rgba(168, 85, 247, 0.2);
  color: #f3e8ff;
  border-color: rgba(168, 85, 247, 0.4);
}
.audio-actions .img-del:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.4);
}

/* 视频卡「🎧 提取声线」按钮 */
.video-extract-voice-btn {
  background: rgba(168, 85, 247, 0.2) !important;
  color: #d8b4fe !important;
  border: 1px solid rgba(168, 85, 247, 0.45) !important;
  font-weight: 600;
}
.video-extract-voice-btn:hover {
  background: rgba(168, 85, 247, 0.35) !important;
  color: #fff !important;
  border-color: #c084fc !important;
}

/* 参考条声线图标 */
.ref-thumb.ref-audio {
  background: #3b0764;
  color: #d8b4fe;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  border-color: rgba(168, 85, 247, 0.5);
}

/* ===== 🎧 声线提取弹窗 Modal ===== */
#voice-extract-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
#voice-extract-modal.active {
  opacity: 1;
  pointer-events: auto;
}
.ve-dialog {
  width: 520px;
  max-width: 92vw;
  background: #0f172a;
  border: 1px solid rgba(168, 85, 247, 0.4);
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(168, 85, 247, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.ve-header {
  padding: 14px 18px;
  background: linear-gradient(90deg, #1e1b4b, #111827);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ve-header h3 {
  margin: 0;
  font-size: 15px;
  color: #f3e8ff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ve-close-btn {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 18px;
  cursor: pointer;
}
.ve-body {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ve-video-preview {
  width: 100%;
  max-height: 180px;
  background: #020617;
  border-radius: 8px;
  object-fit: contain;
}
.ve-range-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ve-range-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: #cbd5e1;
}
.ve-range-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}
.ve-range-inputs input {
  width: 60px;
  background: #1e293b;
  border: 1px solid #334155;
  color: #f8fafc;
  padding: 4px 6px;
  border-radius: 4px;
  text-align: center;
  font-size: 12px;
}
.ve-presets {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.ve-preset-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}
.ve-preset-btn:hover {
  background: rgba(168, 85, 247, 0.2);
  color: #f3e8ff;
  border-color: rgba(168, 85, 247, 0.4);
}
.ve-preview-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ve-role-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ve-role-row label {
  font-size: 12.5px;
  color: #cbd5e1;
  white-space: nowrap;
}
.ve-role-input {
  flex: 1;
  background: #1e293b;
  border: 1px solid #334155;
  color: #f8fafc;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
}
.ve-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 4px;
}
.ve-btn-plan2 {
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: #fff;
  border: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
  transition: transform .1s, filter .15s;
}
.ve-btn-plan2:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}
.ve-btn-plan1 {
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: #fff;
  border: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
  transition: transform .1s, filter .15s;
}
.ve-btn-plan1:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}
.ve-action-status {
  text-align: center;
  font-size: 12.5px;
  min-height: 18px;
  line-height: 18px;
  transition: all .2s ease;
}
.ve-action-status.loading {
  color: #c084fc;
}
.ve-action-status.error {
  color: #f87171;
  font-weight: 500;
}
.ve-action-status.success {
  color: #4ade80;
  font-weight: 600;
}