/* Mobile-first iPhone-optimized styles with brighter look */
:root{
  --bg:#fafafa; --fg:#111111; --muted:#555555;
  --border:#e0e0e0; --card:#ffffff;
  --accent:#0ea5e9; --success:#22c55e;
}
@media(prefers-color-scheme:dark){
  :root{
    --bg:#f9fafb; --fg:#111111; --muted:#555555;
    --border:#e0e0e0; --card:#ffffff;
  }
}

html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:env(safe-area-inset-top) 16px env(safe-area-inset-bottom) 16px;
  font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg); color:var(--fg); line-height:1.4; font-size:17px;
}

header{
  position:sticky; top:env(safe-area-inset-top); z-index:10;
  background:var(--bg); border-bottom:1px solid var(--border);
  padding:12px 0 8px;
  display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap;
}
h2{margin:0;font-size:22px;letter-spacing:-.01em}
.actions{display:flex;gap:8px;align-items:center}
.stamp{font-size:13px;color:var(--muted)}

#list{display:grid;gap:10px}
.row{
  display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap;
  background:var(--card);
  border:1px solid var(--border); border-radius:14px;
  padding:12px; box-shadow:0 2px 4px rgba(0,0,0,0.05);
}

.name{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.handle{color:var(--muted);font-size:.9em}

.btn{
  appearance:none;-webkit-appearance:none;
  border:1px solid var(--border); border-radius:12px;
  background:#fdfdfd; color:var(--fg);
  padding:10px 14px; min-height:44px; min-width:44px;
  font-size:16px; line-height:1; cursor:pointer;
  transition:transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:active{transform:scale(.98)}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.on{background:#e6fbe9;border-color:var(--success)}

.warn{background:#fffde7;border:1px solid #fff59d;padding:10px 12px;border-radius:12px;margin:8px 0;color:#5d4037}
.err{color:#b00020;font-size:14px}
.dist{font-size:13px;color:var(--muted);margin-top:2px}