html[data-theme=dark]{color-scheme:dark;--ink:#f6f2ff;--muted:#aaa2b9;--line:#393247;--surface:#211c2d;--soft:#2e273e}
html[data-theme=dark] body{background:#151221}
html[data-theme=dark] body{color:var(--ink)}
html[data-theme=dark] .action-card{background:var(--surface)}
html[data-theme=dark] .bottom-nav{background:#211c2ded}
.history-item small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:340px}
@media(prefers-color-scheme:dark){
  html[data-theme=system]{color-scheme:dark;--ink:#f6f2ff;--muted:#aaa2b9;--line:#393247;--surface:#211c2d;--soft:#2e273e}
  html[data-theme=system] body{background:#151221}
  html[data-theme=system] body{color:var(--ink)}
  html[data-theme=system] .action-card{background:var(--surface)}
  html[data-theme=system] .bottom-nav{background:#211c2ded}
}