/* 历史作品增强：搜索 / 悬浮提示词 / 批量下载 */
#h3-hist-toolbar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 12px;
}
#h3-hist-search{
  flex:1 1 160px;
  min-width:0;
  max-width:100%;
  height:38px;
  border:1px solid var(--line, #2a2f37);
  background:var(--field, #14181d);
  color:var(--ink, #e8eaed);
  border-radius:10px;
  padding:0 12px;
  font-size:13px;
  outline:none;
}
#h3-hist-search::placeholder{ color:var(--faint, #6b7280); }
#h3-hist-toolbar button{
  height:38px;
  padding:0 14px;
  border:1px solid var(--line, #2a2f37);
  background:var(--surface, #1a1f26);
  color:var(--ink, #e8eaed);
  border-radius:10px;
  cursor:pointer;
  font-size:13px;
  white-space:nowrap;
}
#h3-hist-toolbar button:hover{ border-color:var(--accent, #7c8cff); color:var(--accent, #7c8cff); }
#h3-hist-toolbar button.on{
  background:color-mix(in srgb, var(--accent, #7c8cff) 22%, transparent);
  border-color:var(--accent, #7c8cff);
  color:var(--accent, #7c8cff);
}

/* 悬浮提示词浮层 */
#h3-hist-tip{
  position:fixed;
  z-index:2000;
  width:340px;
  max-height:60vh;
  overflow:auto;
  background:var(--surface, #1a1f26);
  color:var(--ink, #e8eaed);
  border:1px solid var(--line-strong, #3a404a);
  border-radius:12px;
  padding:12px 14px;
  box-shadow:0 20px 55px #0000007a;
  pointer-events:none;
  font-size:12.5px;
  line-height:1.6;
}
#h3-hist-tip[hidden]{ display:none; }
.h3-hist-tip-meta{
  color:var(--muted, #9aa4b2);
  font-size:11px;
  margin-bottom:6px;
}
.h3-hist-tip-prompt{ white-space:pre-wrap; }

/* 批量下载复选框：放左侧垂直居中，批量模式下给条目留出左边距，避免压住右侧时长文字 */
.history-item{ position:relative; }
.history-list .history-item{cursor:pointer;text-align:left;flex-shrink:0;grid-template-columns:36px minmax(0,1fr) auto 32px;gap:8px}
.history-index .inline-message.success{color:var(--success,#278864);border-color:color-mix(in srgb,var(--success,#278864) 30%,transparent);background:color-mix(in srgb,var(--success,#278864) 6%,transparent)}
.history-list .h3-history-delete{display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;width:32px;height:32px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--muted);cursor:pointer;padding:0}
.history-list .h3-history-delete:hover{color:var(--danger,#c64949);border-color:var(--danger,#c64949);background:color-mix(in srgb,var(--danger,#c64949) 8%,transparent)}
.history-list .h3-history-delete:disabled{opacity:.45;cursor:wait}
.history-item:focus-visible,.h3-history-delete:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
body.h3-hist-batch-on .history-list .history-item{ padding-left:40px !important; }
.h3-hist-cb{
  position:absolute;
  left:12px;
  top:50%;
  transform:translateY(-50%);
  width:18px;
  height:18px;
  margin:0;
  z-index:5;
  cursor:pointer;
  accent-color:var(--accent, #7c8cff);
}