:root {
  color-scheme: light dark;
  --bg: #0c111d;
  --panel: #121a2a;
  --panel-2: #182235;
  --text: #eef4ff;
  --muted: #9fb0c8;
  --brand: #7dd3fc;
  --brand-2: #38bdf8;
  --danger: #fca5a5;
  --success: #86efac;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #1e3a5f, var(--bg) 48%);
  color: var(--text);
}

.shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0;
}
.shell.narrow { width: min(720px, calc(100% - 32px)); }

.hero { margin-bottom: 28px; }
.eyebrow {
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-weight: 700;
  font-size: .78rem;
}
h1 { font-size: clamp(2.2rem, 7vw, 4.8rem); line-height: .96; margin: 0 0 18px; }
h2 { margin-top: 0; }
p { color: var(--muted); line-height: 1.65; }

.card {
  background: color-mix(in oklab, var(--panel) 92%, transparent);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 24px 80px rgba(0,0,0,.28);
  backdrop-filter: blur(14px);
  margin-bottom: 18px;
}

label { display: grid; gap: 8px; color: var(--muted); font-weight: 700; }
textarea, input, select {
  width: 100%;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  padding: 14px 16px;
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
}
textarea { resize: vertical; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 16px 0; }
.copy-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; }

button, .primary {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  background: var(--brand);
  color: #06111f;
  font-weight: 800;
  cursor: pointer;
}
button:hover { background: var(--brand-2); }
button:disabled { opacity: .55; cursor: not-allowed; }

.status {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(125, 211, 252, .12);
  border: 1px solid rgba(125, 211, 252, .25);
}
.status[data-type="error"] { color: var(--danger); border-color: rgba(252, 165, 165, .35); background: rgba(252, 165, 165, .08); }
.status[data-type="success"] { color: var(--success); border-color: rgba(134, 239, 172, .35); background: rgba(134, 239, 172, .08); }

a { color: var(--brand); }
code { color: var(--brand); }

@media (max-width: 720px) {
  .grid, .copy-row { grid-template-columns: 1fr; }
  .shell { padding: 36px 0; }
}