:root {
  --bg: #0f1419;
  --card: #1a222c;
  --fg: #e8eef4;
  --muted: #9aa7b5;
  --accent: #3ecf8e;
  --danger: #ff6b6b;
  --border: #2a3542;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 10% -10%, #1b3a2f 0%, var(--bg) 55%);
  color: var(--fg);
  line-height: 1.5;
}
main {
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem 1.25rem 5rem;
}
h1 { font-size: 1.6rem; margin: 0 0 0.35rem; }
.lead { color: var(--muted); margin: 0 0 1.5rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
}
label { display: block; font-size: 0.85rem; margin: 0.75rem 0 0.3rem; color: var(--muted); }
input, textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #121820;
  color: var(--fg);
  font: inherit;
}
textarea { min-height: 140px; resize: vertical; }
.hp { position: absolute; left: -10000px; opacity: 0; height: 0; width: 0; overflow: hidden; }
button {
  margin-top: 1rem;
  width: 100%;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #062016;
  font-weight: 650;
  font-size: 1rem;
  cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: wait; }
.status { margin-top: 0.9rem; font-size: 0.92rem; min-height: 1.3em; }
.status.ok { color: var(--accent); }
.status.err { color: var(--danger); }
.legal {
  position: sticky;
  bottom: 0;
  margin-top: 2rem;
  padding: 0.85rem 1rem;
  background: rgba(15, 20, 25, 0.92);
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
}
code { font-family: ui-monospace, monospace; font-size: 0.85em; }
a { color: var(--accent); }