/* ============================================================
 * 主智能语音控制体 —— 样式（2026-09-17 视觉重构：科技感 + 矢量图标）
 * 设计令牌：冷调靛蓝主色 + 青蓝科技辅色，浅底保证长文可读性
 * ============================================================ */

:root {
  --vb-bg:        #f4f6fc;
  --vb-panel:     #ffffff;
  --vb-line:      #e3e8f6;
  --vb-line-2:    #eef1fa;
  --vb-ink:       #121a2e;
  --vb-ink-2:     #59647f;
  --vb-ink-3:     #97a1ba;
  --vb-acc:       #4b5cf6;
  --vb-acc-soft:  #eef0ff;
  --vb-cyan:      #06b6d4;
  --vb-grad:      linear-gradient(135deg, #4b5cf6 0%, #6d4aff 52%, #06b6d4 100%);
  --vb-grad-soft: linear-gradient(135deg, #eef1ff 0%, #eaf7fd 100%);
  --vb-shadow:    0 1px 2px rgba(18, 26, 46, .04), 0 8px 24px -12px rgba(18, 26, 46, .14);
  --vb-shadow-lg: 0 12px 40px -12px rgba(18, 26, 46, .22);
  --vb-r:         14px;
}

* { box-sizing: border-box; }

/* ⭐ 2026-10-17 移动端渲染修复（用户反馈：文字叠加/滑动卡顿/拉不到底/字号过大）
   ① 原 html,body{height:100%} + body{overflow:hidden} 是两大元凶：
      - height:100% 在手机浏览器上会随地址栏伸缩算错高度 → 内容永远差一截、拉不到底；
      - overflow:hidden 直接锁死整页滚动，只剩 .vb-chat 局部滚，iOS 上极易卡顿/抖动。
      现改为 height:auto + overflow-x:hidden + overflow-y:auto。
   ② -webkit-overflow-scrolling:touch 打开 iOS 惯性滚动（解决滑动卡顿）。
   ③ -webkit-text-size-adjust:100% 阻止 iOS/微信内置浏览器自动放大字号（各机型字号不统一元凶）。 */
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: auto;                   /* 禁止 height:100% */
  overflow-x: hidden;             /* 仅禁止横向滚动 */
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;         /* 英文长单词/长链接不挤压重叠 */
  overflow-wrap: break-word;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overscroll-behavior-y: none;    /* 禁止整页橡皮筋回弹，滚动手感更稳 */
  background: var(--vb-bg);
  color: var(--vb-ink);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 图标体系（lucide 线性矢量） ---------- */
.vb-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ic {
  width: 20px; height: 20px;
  flex: none; display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ic-xs { width: 12px; height: 12px; }
.ic-sm { width: 15px; height: 15px; }
.ic-lg { width: 26px; height: 26px; }
.ic-xl { width: 34px; height: 34px; }

/* [hidden] 必须强制生效：否则会被 .vb-recording{display:flex} / .vb-voice-panel{display:block} 覆盖 */
[hidden] { display: none !important; }

/* ---------- 布局骨架 ---------- */
.vb-app {
  display: flex;
  flex-direction: column;
  /* ⭐ 100dvh 动态视口高度：手机浏览器地址栏收起/展开时高度自动跟随，
     避免 100vh 恒定偏大导致的"底部被裁掉/拉不到底"与高度抖动 */
  height: 100vh;
  height: 100dvh;
  max-width: 940px;
  margin: 0 auto;
  position: relative;
}

/* 科技感底纹：顶部径向光晕 + 极淡网格
   ⭐ 原为 position:fixed（两层全屏 fixed 覆盖层 + mask 合成，是 iOS 滚动时
   重绘抖动的元凶之一），改为 absolute 挂在 .vb-app 内，随容器滚动不参与 fixed 层叠 */
.vb-app::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 380px at 50% -8%, rgba(75, 92, 246, .10), transparent 68%),
    radial-gradient(520px 300px at 92% 4%, rgba(6, 182, 212, .09), transparent 70%);
  z-index: 0;
}
.vb-app::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    linear-gradient(rgba(75, 92, 246, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 92, 246, .045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(680px 420px at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(680px 420px at 50% 0%, #000 0%, transparent 78%);
  z-index: 0;
}
.vb-header, .vb-chat, .vb-inputbar { position: relative; z-index: 1; }

/* ---------- 顶栏 ---------- */
.vb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--vb-line);
  flex: none;
}
/* 顶栏底部一条渐变色线，替代土味实线 */
.vb-header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(75, 92, 246, .5), rgba(6, 182, 212, .45), transparent);
}

.vb-header-left, .vb-header-right { display: flex; align-items: center; gap: 8px; }
.vb-header-left { min-width: 0; }

.vb-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--vb-line);
  border-radius: 11px;
  background: rgba(255, 255, 255, .9);
  color: var(--vb-ink-2);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: all .18s ease;
}
.vb-icon-btn:hover {
  color: var(--vb-acc);
  border-color: rgba(75, 92, 246, .45);
  background: var(--vb-acc-soft);
  transform: translateY(-1px);
}
.vb-icon-btn:active { transform: translateY(0); }

.vb-title { min-width: 0; }
.vb-title-name {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .2px;
  white-space: nowrap;
}
.vb-title-sub {
  font-size: 11.5px;
  color: var(--vb-ink-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 在线脉冲点 */
.vb-live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--vb-cyan);
  box-shadow: 0 0 0 0 rgba(6, 182, 212, .55);
  animation: vb-pulse 2.2s infinite;
  flex: none;
}
@keyframes vb-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(6, 182, 212, .5); }
  70%  { box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
  100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

/* 音色按钮：比普通图标按钮更突出，带渐变描边 */
.vb-voice-btn {
  max-width: 190px;
  padding: 0 12px;
  border-color: rgba(75, 92, 246, .3);
  background: var(--vb-grad-soft);
}
.vb-voice-btn-label {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 110px;
}

/* ---------- 音色选择浮层 ---------- */
.vb-voice-panel {
  position: absolute;
  top: 62px;
  right: 16px;
  z-index: 30;
  width: min(330px, calc(100vw - 32px));
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--vb-line);
  border-radius: 16px;
  box-shadow: var(--vb-shadow-lg);
  overflow: hidden;
  animation: vb-pop .18s ease-out;
}
@keyframes vb-pop {
  from { opacity: 0; transform: translateY(-6px) scale(.98); }
  to   { opacity: 1; transform: none; }
}
.vb-voice-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 700;
  border-bottom: 1px solid var(--vb-line-2);
}
.vb-voice-panel-close {
  border: 0; background: transparent; cursor: pointer;
  color: var(--vb-ink-3); display: flex; padding: 2px; border-radius: 6px;
}
.vb-voice-panel-close:hover { color: var(--vb-ink); background: var(--vb-line-2); }

.vb-voice-panel-head,
.vb-voice-extras,
.vb-voice-panel-foot { flex: 0 0 auto; }
/* 音色列表：既是主要滚动区，又允许被压缩（新增区块后优先保证其它区块完整可见） */
.vb-voice-list {
  flex: 1 1 auto; min-height: 0;
  max-height: 46vh; max-height: 46dvh;
  overflow-y: auto; overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 6px;
}
.vb-voice-loading {
  display: flex; align-items: center; gap: 8px;
  padding: 18px 12px; font-size: 12.5px; color: var(--vb-ink-3);
}
.vb-voice-group {
  padding: 9px 10px 5px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .6px;
  color: var(--vb-ink-3);
  text-transform: uppercase;
}
.vb-voice-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all .15s ease;
}
.vb-voice-item:hover { background: var(--vb-line-2); }
.vb-voice-item.on {
  background: var(--vb-acc-soft);
  border-color: rgba(75, 92, 246, .32);
}
.vb-voice-item-info { min-width: 0; flex: 1; }
.vb-voice-item-name {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--vb-ink);
}
.vb-voice-item-desc {
  display: block;
  font-size: 11.5px;
  color: var(--vb-ink-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vb-voice-item .ic-check { color: var(--vb-acc); opacity: 0; }
.vb-voice-item.on .ic-check { opacity: 1; }

.vb-voice-panel-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 14px;
  font-size: 11px;
  color: var(--vb-ink-3);
  border-top: 1px solid var(--vb-line-2);
  background: rgba(244, 246, 252, .6);
}

/* 音色面板扩展：语速 + 克隆上传 */
.vb-voice-extras {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--vb-line-2);
  background: rgba(250, 251, 255, .7);
}
/* 音质档位（标准 / 高清 / 无损）——与「灵感广场 · 语音播报设置」同口径 */
.vb-voice-block { margin-bottom: 12px; }
.vb-voice-block-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--vb-ink);
  margin-bottom: 7px;
}
#voiceQualityValue { color: var(--vb-acc); font-weight: 700; }
.vb-voice-quality { display: flex; gap: 6px; }
.vb-voice-quality button {
  flex: 1;
  min-width: 0;
  padding: 7px 4px;
  border: 1px solid var(--vb-line);
  border-radius: 9px;
  background: #fff;
  color: var(--vb-ink-2);
  font-family: inherit;
  font-size: 11.5px;
  line-height: 1.3;
  cursor: pointer;
  transition: all .15s ease;
}
.vb-voice-quality button em {
  display: block;
  font-style: normal;
  font-size: 9.5px;
  color: var(--vb-ink-3);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vb-voice-quality button:hover { border-color: rgba(75, 92, 246, .45); color: var(--vb-acc); }
.vb-voice-quality button.on {
  border-color: var(--vb-acc);
  background: var(--vb-acc-soft);
  color: var(--vb-acc);
  font-weight: 700;
}
.vb-voice-quality button.on em { color: var(--vb-acc); }

.vb-voice-rate { margin-bottom: 12px; }
.vb-voice-rate-head {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  color: var(--vb-ink);
  margin-bottom: 7px;
}
#voiceRateValue { color: var(--vb-acc); font-weight: 700; }
#voiceRate {
  width: 100%;
  accent-color: var(--vb-acc);
  cursor: pointer;
}
.vb-voice-rate-hints {
  display: flex;
  justify-content: space-between;
  font-size: 10.5px;
  color: var(--vb-ink-3);
  margin-top: 4px;
}
.vb-voice-clone-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 9px 12px;
  border: 1px dashed var(--vb-acc);
  border-radius: 10px;
  background: rgba(75, 92, 246, .06);
  color: var(--vb-acc);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
}
.vb-voice-clone-btn:hover { background: rgba(75, 92, 246, .12); }
.vb-voice-clone-btn .ic { width: 16px; height: 16px; }
.vb-voice-clone-tip {
  margin-top: 7px;
  font-size: 10.5px;
  color: var(--vb-ink-3);
  text-align: center;
}

/* ---------- 我的作品浮层 ---------- */
.vb-works-btn-label {
  margin-left: 5px;
  font-size: 12px;
  font-weight: 600;
}

/* ---------- ⭐ 2026-09-18 视频模型选择：顶栏按钮 + 单选浮层 ---------- */
.vb-video-model-btn {
  padding: 0 10px;
  border-color: rgba(6, 182, 212, .3);
  background: linear-gradient(135deg, rgba(6, 182, 212, .12), rgba(75, 92, 246, .10));
}
.vb-video-model-btn .vb-voice-btn-label {
  max-width: 150px;
  font-size: 12px;
  font-weight: 600;
}
.vb-model-panel {
  position: absolute;
  top: 62px;
  right: 16px;
  z-index: 30;
  width: min(330px, calc(100vw - 32px));
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--vb-line);
  border-radius: 16px;
  box-shadow: var(--vb-shadow-lg);
  overflow: hidden;
  animation: vb-pop .18s ease-out;
}
.vb-model-opts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}
.vb-model-opt {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--vb-line);
  border-radius: 12px;
  background: var(--vb-grad-soft);
  cursor: pointer;
  text-align: left;
  transition: border-color .15s ease, background .15s ease;
}
.vb-model-opt:hover { border-color: rgba(75, 92, 246, .45); }
.vb-model-opt.active {
  border-color: rgba(75, 92, 246, .65);
  background: linear-gradient(135deg, rgba(75, 92, 246, .10), rgba(6, 182, 212, .10));
}
.vb-model-radio {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border: 2px solid var(--vb-line-strong, #cbd5e1);
  border-radius: 50%;
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.vb-model-opt.active .vb-model-radio {
  border-color: #4b5cf6;
  box-shadow: inset 0 0 0 3.5px #fff, inset 0 0 0 8px #4b5cf6;
}
.vb-model-opt-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.vb-model-opt-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--vb-ink);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.vb-model-opt-name em {
  font-style: normal;
  font-size: 10.5px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(6, 182, 212, .14);
  color: #0e7490;
}
.vb-model-opt.active .vb-model-opt-name em { background: rgba(75, 92, 246, .16); color: #4338ca; }
.vb-model-opt-desc {
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--vb-ink-3);
}

.vb-works-panel {
  position: absolute;
  top: 62px;
  right: 16px;
  z-index: 30;
  width: min(360px, calc(100vw - 32px));
  max-height: calc(100vh - 90px);
  max-height: calc(100dvh - 90px);   /* 动态视口：地址栏变化时浮层不会被裁 */
  background: rgba(255, 255, 255, .97);
  border: 1px solid var(--vb-line);
  border-radius: 16px;
  box-shadow: var(--vb-shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: vb-pop .18s ease-out;
}
.vb-works-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 6px;
}
.vb-works-empty {
  padding: 28px 12px;
  text-align: center;
  font-size: 12.5px;
  color: var(--vb-ink-3);
}
.vb-works-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all .15s ease;
}
.vb-works-item:hover { background: var(--vb-line-2); border-color: rgba(75, 92, 246, .15); }
.vb-works-thumb {
  width: 52px; height: 52px;
  flex: none;
  border-radius: 9px;
  object-fit: cover;
  background: var(--vb-line-2);
  border: 1px solid var(--vb-line);
  display: flex; align-items: center; justify-content: center;
  color: var(--vb-ink-3); font-size: 11px;
  overflow: hidden;
}
.vb-works-thumb img { width: 100%; height: 100%; object-fit: cover; }
.vb-works-info { min-width: 0; flex: 1; }
.vb-works-title {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--vb-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vb-works-meta {
  display: block;
  font-size: 11px;
  color: var(--vb-ink-3);
  margin-top: 3px;
}
.vb-works-go {
  color: var(--vb-acc);
  text-decoration: none;
  font-weight: 600;
}
.vb-works-go:hover { text-decoration: underline; }

/* ---------- 消息流 ---------- */
/* ⭐ 局部滚动容器：iOS 惯性滚动 + 禁止把滚动传导给整页（overscroll-behavior:contain） */
.vb-chat {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  overscroll-behavior: contain;
  padding: 22px 18px 8px;
  scroll-behavior: smooth;
}
.vb-chat::-webkit-scrollbar { width: 8px; }
.vb-chat::-webkit-scrollbar-thumb {
  background: rgba(75, 92, 246, .18);
  border-radius: 8px;
}
.vb-chat::-webkit-scrollbar-thumb:hover { background: rgba(75, 92, 246, .32); }

/* 欢迎区 */
.vb-welcome { text-align: center; padding: 26px 8px 8px; }
.vb-welcome-avatar {
  width: 66px; height: 66px;
  margin: 0 auto 16px;
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  background: var(--vb-grad);
  box-shadow: 0 10px 30px -8px rgba(75, 92, 246, .6);
  position: relative;
}
/* 外围旋转光弧 —— 科技感关键细节 */
.vb-welcome-avatar::after {
  content: '';
  position: absolute;
  inset: -7px;
  border-radius: 26px;
  border: 1.5px solid transparent;
  background: conic-gradient(from 0deg, rgba(75, 92, 246, 0), rgba(6, 182, 212, .85), rgba(75, 92, 246, 0)) border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: vb-spin-slow 4.5s linear infinite;
}
@keyframes vb-spin-slow { to { transform: rotate(360deg); } }

.vb-welcome h1 {
  margin: 0 0 8px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.2px;
  background: linear-gradient(100deg, #121a2e, #4b5cf6 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.vb-welcome p {
  margin: 0 auto 22px;
  max-width: 480px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--vb-ink-2);
}
.vb-welcome-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  max-width: 560px;
  margin: 0 auto;
}
.vb-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  font-size: 12.5px;
  font-family: inherit;
  font-weight: 600;
  color: var(--vb-ink-2);
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  border-radius: 999px;
  cursor: pointer;
  transition: all .18s ease;
  box-shadow: 0 1px 2px rgba(18, 26, 46, .03);
}
.vb-chip .ic { color: var(--vb-acc); }
.vb-chip:hover {
  color: var(--vb-acc);
  border-color: rgba(75, 92, 246, .45);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -10px rgba(75, 92, 246, .5);
}

/* 消息行 */
.vb-row { display: flex; gap: 10px; margin-bottom: 16px; animation: vb-fade .26s ease-out; }
@keyframes vb-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.vb-row.user { flex-direction: row-reverse; }
.vb-col { max-width: 78%; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.vb-row.user .vb-col { align-items: flex-end; }

.vb-avatar {
  width: 34px; height: 34px;
  flex: none;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  color: #fff;
  background: var(--vb-grad);
  box-shadow: 0 4px 12px -4px rgba(75, 92, 246, .55);
  overflow: hidden;
}
.vb-avatar .ic { width: 18px; height: 18px; }
.vb-row.user .vb-avatar {
  background: #2b3552;
  box-shadow: none;
}

.vb-bubble {
  padding: 11px 14px;
  border-radius: var(--vb-r);
  font-size: 13.8px;
  line-height: 1.72;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  box-shadow: var(--vb-shadow);
}
.vb-row.user .vb-bubble {
  background: linear-gradient(135deg, #4b5cf6, #6d4aff);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 22px -10px rgba(75, 92, 246, .75);
}
.vb-row.user .vb-bubble .vb-tag {
  color: #fff;
  background: rgba(255, 255, 255, .18);
  border-color: rgba(255, 255, 255, .3);
}

.vb-tag {
  display: inline-block;
  padding: 0 5px;
  border-radius: 5px;
  font-size: .93em;
  font-weight: 600;
  color: var(--vb-acc);
  background: var(--vb-acc-soft);
  border: 1px solid rgba(75, 92, 246, .2);
}

/* ⭐ 图片预留占位高度：加载前不塌陷 → 避免出图瞬间把整页往上顶造成跳动/文字错位 */
.vb-msg-img {
  max-width: 210px;
  min-height: 120px;
  border-radius: 12px;
  border: 1px solid var(--vb-line);
  background: var(--vb-line-2);
  box-shadow: var(--vb-shadow);
  display: block;
}

/* ---------- 消息操作栏（复制 / 朗读 / 重新生成 / 分享） ---------- */
.vb-msg-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: -2px;
  opacity: .55;
  transition: opacity .18s ease;
}
.vb-row:hover .vb-msg-actions { opacity: 1; }

/* ⭐ 2026-09-19 v3：角色库命中提示 chip（注入对话时显示在用户气泡下方，4 秒后淡出） */
.vb-charhint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  padding: 4px 10px;
  font-size: 11px;
  color: #6d5cff;
  background: rgba(109, 92, 255, 0.08);
  border: 1px solid rgba(109, 92, 255, 0.15);
  border-radius: 999px;
  max-width: fit-content;
  animation: vb-charhint-in .25s ease;
}
.vb-charhint-out { animation: vb-charhint-out .35s ease forwards; }
@keyframes vb-charhint-in  { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
@keyframes vb-charhint-out { from { opacity: 1; } to { opacity: 0; transform: translateY(-3px); } }
.vb-act {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--vb-line);
  border-radius: 9px;
  background: var(--vb-panel);
  color: var(--vb-ink-3);
  font-size: 11.5px;
  font-family: inherit;
  cursor: pointer;
  transition: all .16s ease;
}
.vb-act:hover {
  color: var(--vb-acc);
  border-color: rgba(75, 92, 246, .42);
  background: var(--vb-acc-soft);
}
.vb-act.on { color: var(--vb-acc); border-color: rgba(75, 92, 246, .42); background: var(--vb-acc-soft); }
.vb-act.playing .ic { animation: vb-spin-slow 1.6s linear infinite; }

/* ---------- 打字动画 ---------- */
.vb-typing { display: flex; gap: 5px; align-items: center; padding: 14px; }
.vb-typing span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--vb-acc);
  opacity: .3;
  animation: vb-blink 1.2s infinite;
  animation-delay: calc(var(--i) * .18s);
}
@keyframes vb-blink {
  0%, 60%, 100% { opacity: .25; transform: translateY(0); }
  30%           { opacity: 1;  transform: translateY(-3px); }
}

/* ---------- 状态卡片 ---------- */
.vb-status { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--vb-ink-2); }
.vb-status-ok  { border-color: rgba(16, 185, 129, .4); background: rgba(16, 185, 129, .06); }
.vb-status-err { border-color: rgba(244, 63, 94, .4); background: rgba(244, 63, 94, .06); }
.vb-spin {
  width: 13px; height: 13px;
  border: 2px solid rgba(75, 92, 246, .25);
  border-top-color: var(--vb-acc);
  border-radius: 50%;
  animation: vb-spin-slow .8s linear infinite;
  flex: none;
}

/* ---------- 模型 / 方案卡片 ---------- */
.vb-models { display: flex; flex-direction: column; gap: 8px; }
.vb-model-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  font-family: inherit;
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  border-radius: var(--vb-r);
  cursor: pointer;
  transition: all .16s ease;
  box-shadow: 0 1px 2px rgba(18, 26, 46, .03);
}
.vb-model-card:hover { border-color: rgba(75, 92, 246, .42); transform: translateY(-1px); }
.vb-model-card.selected {
  border-color: var(--vb-acc);
  background: var(--vb-acc-soft);
  box-shadow: 0 0 0 3px rgba(75, 92, 246, .1);
}
.vb-model-radio {
  width: 15px; height: 15px;
  margin-top: 3px;
  border-radius: 50%;
  border: 2px solid var(--vb-line);
  flex: none;
  position: relative;
  transition: all .16s ease;
}
.vb-model-card.selected .vb-model-radio { border-color: var(--vb-acc); }
.vb-model-card.selected .vb-model-radio::after {
  content: '';
  position: absolute;
  inset: 2.5px;
  border-radius: 50%;
  background: var(--vb-acc);
}
.vb-model-info { min-width: 0; flex: 1; }
.vb-model-name { font-size: 13.5px; font-weight: 650; color: var(--vb-ink); }
.vb-model-tech {
  font-size: 11px;
  font-weight: 500;
  color: var(--vb-ink-3);
  margin-left: 2px;
}
.vb-model-desc { font-size: 12px; color: var(--vb-ink-2); margin-top: 3px; line-height: 1.6; }

.vb-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 10.5px;
  font-weight: 700;
  vertical-align: middle;
}
.vb-badge.recommend { color: #047857; background: rgba(16, 185, 129, .14); }
.vb-badge.cost { color: #b45309; background: rgba(245, 158, 11, .16); }

.vb-confirm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 2px;
  padding: 11px 18px;
  border: 0;
  border-radius: 11px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
  background: var(--vb-grad);
  cursor: pointer;
  transition: all .18s ease;
  box-shadow: 0 8px 22px -10px rgba(75, 92, 246, .8);
}
.vb-confirm-btn:hover:not(:disabled) { transform: translateY(-1px); }
.vb-confirm-btn:disabled {
  background: #c8cfe2;
  box-shadow: none;
  cursor: not-allowed;
}

/* ---------- 任务清单卡 ---------- */
.vb-tasklist-card {
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  border-left: 3px solid var(--vb-acc);
  border-radius: var(--vb-r);
  overflow: hidden;
  box-shadow: var(--vb-shadow);
}
.vb-tasklist-head {
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--vb-ink);
  background: var(--vb-grad-soft);
  border-bottom: 1px solid var(--vb-line-2);
}
.vb-tasklist-body {
  padding: 12px 14px;
  font-size: 12.8px;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--vb-ink-2);
  max-height: 300px;
  overflow-y: auto;
}
.vb-tasklist-note {
  padding: 8px 14px;
  font-size: 11.5px;
  color: var(--vb-ink-3);
  border-top: 1px solid var(--vb-line-2);
  background: rgba(244, 246, 252, .6);
}

/* ---------- 产出渲染 ---------- */
.vb-img-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.vb-result-img {
  max-width: 240px;
  min-height: 120px;
  border-radius: 12px;
  border: 1px solid var(--vb-line);
  background: var(--vb-line-2);
  box-shadow: var(--vb-shadow);
  cursor: zoom-in;
  transition: transform .2s ease;
}
.vb-result-img:hover { transform: scale(1.02); }
.vb-video-box {
  max-width: 320px;
  border-radius: 12px;
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  box-shadow: var(--vb-shadow);
  overflow: hidden;
}
.vb-result-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;      /* ⭐ 预留占位比例：视频加载前不塌陷，避免页面跳动 */
  max-height: 420px;
  border-radius: 12px 12px 0 0;
  background: #000;
  cursor: pointer;
}
.vb-result-video::-webkit-media-controls-panel {
  background-image: linear-gradient(transparent, rgba(0,0,0,.6));
}
.vb-video-note {
  padding: 9px 12px;
  font-size: 12px;
  color: var(--vb-ink-2);
  line-height: 1.55;
  border-top: 1px solid var(--vb-line-2);
}
.vb-video-note b { display: block; color: var(--vb-ink); margin-bottom: 2px; }
.vb-video-error {
  padding: 14px 12px;
  font-size: 12px;
  color: var(--vb-red);
  background: var(--vb-panel);
  text-align: center;
}
.vb-video-error a { color: var(--vb-acc); text-decoration: underline; }
.vb-audio-box {
  padding: 12px;
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  border-radius: var(--vb-r);
  box-shadow: var(--vb-shadow);
}
.vb-audio-box audio { width: 100%; }
.vb-audio-note { margin-top: 7px; font-size: 11.5px; color: var(--vb-ink-3); }
.vb-dl {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--vb-acc);
  font-weight: 600;
  text-decoration: none;
}
.vb-dl:hover { text-decoration: underline; }

/* 翻译卡 */
.vb-translate-box {
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  border-left: 3px solid var(--vb-cyan);
  border-radius: var(--vb-r);
  overflow: hidden;
  box-shadow: var(--vb-shadow);
}
.vb-translate-head {
  padding: 9px 14px;
  font-size: 12.5px;
  font-weight: 700;
  background: var(--vb-grad-soft);
  border-bottom: 1px solid var(--vb-line-2);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.vb-translate-head > span { display: inline-flex; align-items: center; gap: 5px; }
.vb-translate-head .ic { color: var(--vb-cyan); }
.vb-translate-mode { font-weight: 500; color: var(--vb-ink-3); font-size: 11px; }
.vb-translate-content {
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
}
.vb-translate-note {
  padding: 7px 14px;
  font-size: 11.5px;
  color: var(--vb-ink-3);
  border-top: 1px solid var(--vb-line-2);
}
.vb-translate-src { font-size: 12.5px; color: var(--vb-ink-2); }
.vb-translate-src summary { cursor: pointer; font-weight: 600; color: var(--vb-acc); }

/* 克隆 / 脚本 / 记忆卡 */
.vb-clone-box, .vb-copy-box, .vb-memory-box {
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  border-left: 3px solid var(--vb-acc);
  border-radius: var(--vb-r);
  overflow: hidden;
  box-shadow: var(--vb-shadow);
}
.vb-clone-head, .vb-copy-head, .vb-memory-head {
  padding: 9px 14px;
  font-size: 12.5px;
  font-weight: 700;
  background: var(--vb-grad-soft);
  border-bottom: 1px solid var(--vb-line-2);
}
.vb-clone-item { padding: 7px 14px; font-size: 12.5px; color: var(--vb-ink-2); }
.vb-clone-item code {
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--vb-line-2);
  font-size: 11.5px;
  word-break: break-all;
}
.vb-clone-note, .vb-copy-note, .vb-memory-note {
  padding: 7px 14px;
  font-size: 11.5px;
  color: var(--vb-ink-3);
  border-top: 1px solid var(--vb-line-2);
}
.vb-copy-content, .vb-memory-content {
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
}
.vb-copy-cover {
  padding: 9px 14px;
  font-size: 12px;
  color: var(--vb-ink-2);
  border-top: 1px solid var(--vb-line-2);
  background: rgba(244, 246, 252, .6);
}
.vb-copy-tags { padding: 9px 14px; display: flex; flex-wrap: wrap; gap: 6px; border-top: 1px solid var(--vb-line-2); }
.vb-memory-items { padding: 4px 14px 10px; }
.vb-memory-item { padding: 3px 0; font-size: 12.5px; color: var(--vb-ink-2); }

.vb-copy-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid rgba(75, 92, 246, .35);
  border-radius: 10px;
  background: var(--vb-acc-soft);
  color: var(--vb-acc);
  font-size: 12.5px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: all .16s ease;
}
.vb-copy-btn:hover { background: #e6e9ff; }

/* ---------- 底部输入栏 ---------- */
.vb-inputbar {
  flex: none;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .8);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-top: 1px solid var(--vb-line);
}
.vb-inputbar-inner {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 7px;
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  border-radius: 18px;
  box-shadow: var(--vb-shadow);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.vb-inputbar-inner:focus-within {
  border-color: rgba(75, 92, 246, .5);
  box-shadow: 0 0 0 3.5px rgba(75, 92, 246, .1), var(--vb-shadow);
}

.vb-tool-btn, .vb-mic-btn, .vb-send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  border: 0;
  cursor: pointer;
  transition: all .18s ease;
  font-family: inherit;
}
.vb-tool-btn {
  width: 36px; height: 36px;
  border-radius: 11px;
  background: transparent;
  color: var(--vb-ink-3);
}
.vb-tool-btn:hover { color: var(--vb-acc); background: var(--vb-acc-soft); }

.vb-mic-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--vb-line-2);
  color: var(--vb-ink-2);
}
.vb-mic-btn:hover { color: var(--vb-acc); background: var(--vb-acc-soft); }
/* 录音中：红点脉冲 + 光环 */
.vb-mic-btn.on {
  background: linear-gradient(135deg, #f43f5e, #e11d48);
  color: #fff;
  animation: vb-mic-pulse 1.4s infinite;
}
@keyframes vb-mic-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(244, 63, 94, .55); }
  70%  { box-shadow: 0 0 0 12px rgba(244, 63, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); }
}

.vb-send-btn {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--vb-grad);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(75, 92, 246, .75);
}
.vb-send-btn:hover:not(:disabled) { transform: translateY(-1px) scale(1.03); }
.vb-send-btn:disabled {
  background: #c8cfe2;
  box-shadow: none;
  cursor: not-allowed;
}

.vb-input-wrap { flex: 1; min-width: 0; }
.vb-pending-img { position: relative; display: inline-block; margin-bottom: 6px; }
.vb-pending-img img {
  height: 54px;
  border-radius: 9px;
  border: 1px solid var(--vb-line);
  display: block;
}
/* ⭐ 2026-09-18 多图上传（多人物对话）：缩略图横排，右上角角标显示张数 */
.vb-pending-img .vb-pending-thumbs { display: flex; gap: 6px; }
.vb-pending-img .vb-pending-thumbs img {
  height: 54px;
  width: auto;
  max-width: 96px;
  object-fit: cover;
  border-radius: 9px;
  border: 1px solid var(--vb-line);
  display: block;
}
.vb-pending-img .vb-pending-count {
  position: absolute;
  left: -7px; top: -7px;
  min-width: 18px; height: 18px;
  padding: 0 4px;
  border-radius: 9px;
  background: var(--vb-brand, #4f6ef7);
  color: #fff;
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  display: none;
}
.vb-pending-img button {
  position: absolute;
  top: -6px; right: -6px;
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  border: 0;
  border-radius: 50%;
  background: #1f2937;
  color: #fff;
  cursor: pointer;
}
#input {
  display: block;
  width: 100%;
  max-height: 110px;
  padding: 8px 4px;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--vb-ink);
  font-size: 14px;
  font-family: inherit;
  line-height: 1.6;
}
#input::placeholder { color: var(--vb-ink-3); }

.vb-inputbar-tip {
  margin-top: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 11px;
  color: var(--vb-ink-3);
}
.vb-tip-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60vw;
}
/* 2026-09-18：底部 tip 行的「语音设置」入口（点开浮层调识别后行为 / 麦克风通道） */
.vb-tip-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--vb-line);
  color: var(--vb-ink-2);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.vb-tip-link:hover {
  background: var(--vb-acc-soft);
  color: var(--vb-acc);
  border-color: rgba(75, 92, 246, .25);
}
.vb-tip-link.has-warn {
  border-color: rgba(244, 63, 94, .35);
  color: #e11d48;
}

/* ---------- 语音设置浮层（2026-09-18） ---------- */
.vb-vs-panel {
  position: fixed;
  z-index: 50;
  right: 16px;
  left: 16px;
  bottom: calc(10px + env(safe-area-inset-bottom) + 64px);   /* 浮在输入栏正上方 */
  max-width: 460px;
  margin: 0 auto;
  background: var(--vb-panel);
  border: 1px solid var(--vb-line);
  border-radius: 16px;
  box-shadow: var(--vb-shadow-lg);
  padding: 6px 6px 4px;
  animation: vb-vs-pop .18s ease-out;
}
@keyframes vb-vs-pop {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.vb-vs-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--vb-ink);
}
.vb-vs-panel-close {
  background: transparent;
  border: 0;
  color: var(--vb-ink-3);
  cursor: pointer;
  padding: 2px;
  border-radius: 6px;
  display: flex;
}
.vb-vs-panel-close:hover { color: var(--vb-ink); background: var(--vb-acc-soft); }

.vb-vs-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-top: 1px solid var(--vb-line-2);
}
.vb-vs-row-main { min-width: 0; flex: 1; }
.vb-vs-row-title { font-size: 13px; font-weight: 500; color: var(--vb-ink); margin-bottom: 2px; }
.vb-vs-row-desc { font-size: 11px; color: var(--vb-ink-3); line-height: 1.45; }

.vb-vs-segmented {
  display: inline-flex;
  flex: none;
  background: var(--vb-bg);
  border: 1px solid var(--vb-line);
  border-radius: 10px;
  padding: 2px;
  gap: 2px;
}
.vb-vs-segmented button {
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 11px;
  color: var(--vb-ink-2);
  padding: 5px 10px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}
.vb-vs-segmented button:hover { color: var(--vb-ink); }
.vb-vs-segmented button.on {
  background: var(--vb-panel);
  color: var(--vb-acc);
  box-shadow: 0 1px 2px rgba(20, 28, 60, .08);
  font-weight: 500;
}

.vb-vs-foot {
  padding: 6px 12px 4px;
  border-top: 1px solid var(--vb-line-2);
  text-align: center;
}
.vb-vs-foot-tip { font-size: 10.5px; color: var(--vb-ink-3); }

@media (max-width: 540px) {
  .vb-vs-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .vb-vs-segmented { align-self: flex-end; }
  .vb-tip-text { display: none; }    /* 窄屏 tip 文字太长会让入口被挤没，省略 */
}

/* ---------- 录音遮罩 ---------- */
.vb-recording {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(18, 26, 46, .42);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: vb-fade .18s ease-out;
}
.vb-recording-box {
  width: min(320px, calc(100vw - 56px));
  padding: 26px 22px;
  text-align: center;
  background: rgba(255, 255, 255, .97);
  border-radius: 22px;
  box-shadow: var(--vb-shadow-lg);
}
.vb-recording-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 52px;
  margin-bottom: 14px;
}
.vb-recording-wave span {
  width: 5px;
  border-radius: 4px;
  background: var(--vb-grad);
  animation: vb-wave 1.05s ease-in-out infinite;
}
.vb-recording-wave span:nth-child(1) { height: 16px; animation-delay: 0s; }
.vb-recording-wave span:nth-child(2) { height: 30px; animation-delay: .12s; }
.vb-recording-wave span:nth-child(3) { height: 46px; animation-delay: .24s; }
.vb-recording-wave span:nth-child(4) { height: 30px; animation-delay: .36s; }
.vb-recording-wave span:nth-child(5) { height: 16px; animation-delay: .48s; }
@keyframes vb-wave {
  0%, 100% { transform: scaleY(.42); opacity: .65; }
  50%      { transform: scaleY(1);   opacity: 1; }
}
.vb-recording-text { font-size: 13.5px; color: var(--vb-ink-2); margin-bottom: 18px; }
.vb-recording-stop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border: 0;
  border-radius: 12px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #f43f5e, #e11d48);
  cursor: pointer;
  box-shadow: 0 10px 26px -10px rgba(244, 63, 94, .8);
}

/* ---------- 轻提示 ---------- */
.vb-toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  transform: translate(-50%, 10px);
  z-index: 80;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  background: rgba(18, 26, 46, .9);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: all .22s ease;
}
.vb-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
  .vb-header { padding: 10px 12px; }
  .vb-title-sub { display: none; }
  .vb-voice-btn-label { display: none; }
  .vb-voice-btn { padding: 0 9px; }
  .vb-chat { padding: 16px 12px 6px; }
  .vb-col { max-width: 86%; }
  .vb-inputbar { padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); }
  .vb-inputbar-tip { display: none; }
  .vb-welcome h1 { font-size: 18px; }
  .vb-voice-panel, .vb-works-panel { right: 10px; left: 10px; width: auto; }
  .vb-msg-actions { opacity: 1; }
}

/* ⭐ 2026-10-17 移动端渲染减负（解决画面不稳定 / 滚动卡顿 / 文字叠加）：
   ① 顶栏与输入栏原用 backdrop-filter:blur()，手机端每帧都要对背后内容做高斯模糊，
      滚动时 GPU 压力极大、字边缘发虚发抖 —— 移动端直接换成不透明底色。
   ② 网格底纹 ::after 用了 mask-image 合成，移动端整屏重绘代价高，直接隐藏（保留光晕 ::before）。
   ③ 气泡行高/字号收紧，减少长文占屏。 */
@media (max-width: 768px) {
  .vb-header,
  .vb-inputbar {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .vb-header { background: #fff; }
  .vb-inputbar { background: #fff; }
  .vb-app::after { display: none; }
  .vb-bubble { font-size: 13.5px; line-height: 1.65; }
  .vb-tasklist-body { max-height: 220px; }
  .vb-welcome { padding: 18px 6px 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- 角色库浮层（2026-09-19 新增） ---------- */
/* 复用 .vb-works-panel/.vb-works-list/.vb-works-item 结构，仅补角色库差异样式 */
.vb-char-item { position: relative; padding-right: 40px; }
.vb-char-del {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--vb-ink-3);
  cursor: pointer;
  transition: all .15s ease;
}
.vb-char-del:hover { background: rgba(239, 68, 68, .1); color: #ef4444; }
.vb-char-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.vb-char-add {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: none;
  background: none;
  padding: 4px 2px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  color: var(--vb-acc);
}
.vb-char-add:hover { opacity: .8; }

/* ---------- 角色库 v4 实名门槛（2026-10-09）：实名引导 + 他人角色授权角标 ---------- */
.vb-char-rn { text-align: center; padding: 28px 18px; }
.vb-char-rn-title { font-size: 15px; font-weight: 700; color: var(--vb-ink-1); margin-bottom: 10px; }
.vb-char-rn-sub {
  font-size: 12.5px; line-height: 1.7; color: var(--vb-ink-3);
  margin-bottom: 16px; text-align: left; white-space: pre-line;
}
.vb-char-rn-btn {
  border: none; border-radius: 999px; cursor: pointer; font-family: inherit;
  padding: 10px 26px; font-size: 13.5px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--vb-acc, #6d5cff), #9d7bff);
}
.vb-char-rn-btn:hover { opacity: .88; }
.vb-char-tag {
  position: absolute; left: 6px; bottom: 6px; z-index: 2;
  font-size: 10px; line-height: 1; font-weight: 700; letter-spacing: .5px;
  padding: 4px 7px; border-radius: 6px; color: #fff; pointer-events: none;
}
.vb-char-tag-wait { background: rgba(217, 119, 6, .92); }
.vb-char-tag-ok { background: rgba(22, 163, 74, .92); }
.vb-char-tag-no { background: rgba(220, 38, 38, .92); }
.vb-char-pt {
  font-style: normal; font-size: 10px; font-weight: 700; color: var(--vb-acc, #6d5cff);
  border: 1px solid currentColor; border-radius: 4px; padding: 1px 4px; margin-left: 5px;
  vertical-align: 1px;
}
.vb-char-item-locked { opacity: .62; }
.vb-char-item-locked .vb-works-thumb img { filter: grayscale(.35); }