:root {
  --pink: #ea4fc9; --cyan: #2fd6d8; --purple: #b066f0;
  --bg: #121019; --panel: #1c1926; --line: #2f2a3d; --text: #eee; --muted: #9a94ab;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.4 -apple-system, 'Segoe UI', sans-serif; }
a { color: var(--cyan); }
header.top { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
header.top h1 { font-size: 16px; margin: 0 auto 0 0; letter-spacing: .5px; }
button, .btn, select, input, textarea {
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  padding: 7px 12px; border-radius: 6px; font: inherit;
}
button, .btn { cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn:hover { border-color: var(--muted); }
button:disabled { opacity: .4; cursor: default; }
button.primary { background: var(--purple); border-color: var(--purple); color: #fff; font-weight: 600; }
button.danger:hover { border-color: #e55; color: #f77; }
input[type=color] { padding: 2px; height: 32px; width: 48px; cursor: pointer; }
input[type=checkbox] { width: 18px; height: 18px; padding: 0; }
input[type=range] { padding: 0; }
h2 { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); margin: 0 0 8px; }
.muted { color: var(--muted); }
@media (max-width: 700px) { header.top { flex-wrap: wrap; } header.top h1 { font-size: 14px; flex-basis: 100%; } }