:root{
  --bg:#0b0b0b;
  --fg:#eaeaea;
  --acc:#f1c40f;
  --muted:#999;
  --panel: rgba(255,255,255,0.03);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", monospace;
}
*{box-sizing:border-box}
html,body,#app{height:100%;margin:0;background:var(--bg);color:var(--fg)}
#app{display:flex;flex-direction:column;align-items:stretch;padding:10px;gap:8px}
#controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
#controls input[type=file]{color:transparent}
button,select,input[type=range]{background:var(--panel);color:var(--fg);border:1px solid rgba(255,255,255,0.04);padding:8px;border-radius:8px}
button[disabled],select[disabled]{opacity:0.4}
.small{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
#outputWrap{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:8px;border:1px solid rgba(255,255,255,0.03);background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent)}
#ascii{white-space:pre;line-height:1;font-size:8px;letter-spacing:0.6px; margin:8px; padding:10px; max-width:100%; max-height:100%; overflow:auto}
#footer{display:flex;justify-content:flex-end}
@media (max-width:600px){
  #controls{gap:6px}
  #ascii{font-size:6px;padding:6px}
  button,select,input[type=range]{padding:6px;border-radius:6px;font-size:14px}
}