:root {
  --bg: #0d1117; --panel: #161b22; --text: #e6edf3; --muted: #8b949e;
  --accent: #7c5cff; --accent2: #39d3bb; --border: rgba(255, 255, 255, .08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1100px 560px at 80% -10%, rgba(124, 92, 255, .15), transparent), var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 920px; margin: 0 auto; padding: 48px 20px 80px; }
.hero { text-align: center; margin-bottom: 28px; }
.hero h1 { font-size: 44px; margin: 0 0 8px; letter-spacing: -1px; }
.hero h1 span { color: var(--accent); }
.sub { color: var(--muted); font-size: 18px; margin: 0; }
.gen { display: flex; gap: 10px; max-width: 560px; margin: 0 auto 14px; }
.gen input {
  flex: 1; padding: 14px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); font-size: 16px; outline: none;
}
.gen input:focus { border-color: var(--accent); }
.gen button {
  padding: 14px 22px; border: 0; border-radius: 10px; background: var(--accent);
  color: #fff; font-weight: 600; font-size: 16px; cursor: pointer;
}
.gen button:hover { filter: brightness(1.08); }
.status { text-align: center; min-height: 22px; color: var(--muted); margin: 6px 0 18px; }
.status.err { color: #ff7b72; }
.status.ok { color: var(--accent2); }
#card {
  display: block; width: 100%; max-width: 760px; height: auto; margin: 8px auto 0;
  border-radius: 14px; border: 1px solid var(--border); box-shadow: 0 20px 60px rgba(0, 0, 0, .45);
}
.actions { display: flex; gap: 12px; justify-content: center; margin-top: 18px; }
.actions button {
  padding: 12px 20px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); font-weight: 600; cursor: pointer;
}
.actions button:hover { border-color: var(--accent); }
.actions .ghost { background: transparent; }
.foot { text-align: center; color: #6e7681; font-size: 13px; margin-top: 40px; }
@media (max-width: 560px) { .gen { flex-direction: column; } .hero h1 { font-size: 34px; } }