:root {
  color-scheme: light dark;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #0b1220;
  color: #e8edf5;
}

main {
  width: min(92vw, 620px);
  box-sizing: border-box;
  padding: 2rem;
  border: 1px solid #334155;
  border-radius: 18px;
  background: #111b2e;
  box-shadow: 0 18px 60px #02061799;
}

h1 { margin: 0 0 .5rem; font-size: 1.65rem; }
h2 { margin-top: 1.5rem; font-size: 1.05rem; }
p, li { line-height: 1.5; color: #cbd5e1; }
label { display: block; margin: 1rem 0 .4rem; font-weight: 650; }

input {
  width: 100%;
  box-sizing: border-box;
  padding: .75rem;
  border: 1px solid #64748b;
  border-radius: 9px;
  background: #0f172a;
  color: inherit;
}

button {
  margin: .8rem .5rem 0 0;
  padding: .7rem 1rem;
  border: 0;
  border-radius: 9px;
  font-weight: 700;
  cursor: pointer;
}

button.primary { background: #22c55e; color: #052e16; }
button.secondary { background: #334155; color: #f8fafc; }
button.danger { background: #ef4444; color: white; }
button:disabled { opacity: .5; cursor: not-allowed; }
code { overflow-wrap: anywhere; color: #93c5fd; }
.panel { padding: 1rem; border: 1px solid #334155; border-radius: 10px; background: #0f172a; }
.status { min-height: 1.5rem; margin-top: 1rem; }
.error { color: #fca5a5; }
.ok { color: #86efac; }
.muted { color: #94a3b8; font-size: .92rem; }
[hidden] { display: none !important; }