:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at 15% 0%, #1b1042 0%, #0b0620 55%, #050310 100%);
  color: #f4f2ff;
  min-height: 100vh;
}
.wrap { max-width: 34rem; margin: 0 auto; padding: 2.5rem 1.25rem; }
.wrap.wide { max-width: 56rem; }
.brand {
  font-weight: 700; font-size: 1.4rem; letter-spacing: -0.02em; margin-bottom: 1.5rem;
  background: linear-gradient(90deg, #4fd6ff, #8f7bff, #ff6fd8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(120,120,255,0.18);
  border-radius: 16px; padding: 1.5rem; margin-bottom: 1.25rem;
}
h1, h2 { margin-top: 0; }
h2 { font-size: 1.05rem; font-weight: 600; }
label { display: block; font-size: 0.85rem; opacity: 0.8; margin-bottom: 0.3rem; }
input, select {
  width: 100%; padding: 0.6rem 0.75rem; margin-bottom: 1rem; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.05); color: #fff; font-size: 0.95rem;
}
button {
  background: linear-gradient(90deg, #4fd6ff, #8f7bff); color: #0b0620; font-weight: 600;
  border: none; padding: 0.65rem 1.25rem; border-radius: 999px; font-size: 0.9rem; cursor: pointer;
}
button.ghost { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.15); }
button.danger { background: rgba(255,90,110,0.15); color: #ff8a97; border: 1px solid rgba(255,90,110,0.4); }
button:disabled { opacity: 0.5; cursor: default; }
.row { display: flex; gap: 0.6rem; align-items: center; }
.muted { opacity: 0.6; font-size: 0.85rem; }
.error { color: #ff8a97; font-size: 0.85rem; margin: 0.5rem 0; }
.tabs { display: flex; gap: 0.4rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.tab { padding: 0.4rem 0.9rem; border-radius: 999px; font-size: 0.85rem; cursor: pointer; background: rgba(255,255,255,0.05); border: 1px solid transparent; }
.tab.active { background: rgba(143,123,255,0.18); border-color: rgba(143,123,255,0.4); }
.section { display: none; } .section.active { display: block; }
ul.queue { list-style: none; padding: 0; margin: 0; }
ul.queue li { padding: 0.6rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; gap: 0.5rem; }
.code-badge { font-family: monospace; font-size: 1.6rem; letter-spacing: 0.15em; background: rgba(255,255,255,0.06); padding: 0.5rem 1rem; border-radius: 10px; display: inline-block; }