:root {
  color-scheme: dark;
  --bg-1: #030712;
  --bg-2: #0f172a;
  --panel: rgba(10, 16, 32, 0.82);
  --panel-border: rgba(255,255,255,.10);
  --text: #eef2ff;
  --muted: #bac4db;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124,92,255,.34), transparent 34%),
    radial-gradient(circle at top right, rgba(34,211,238,.18), transparent 26%),
    linear-gradient(180deg, var(--bg-2), var(--bg-1));
}

.shortener-public-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.shortener-public-main {
  width: min(720px, 100%);
}

.shortener-public-card {
  padding: 2rem;
  border-radius: 28px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  box-shadow: 0 32px 80px rgba(0, 0, 0, .35);
}

.shortener-public-card--error {
  background: linear-gradient(180deg, rgba(76, 17, 48, 0.72), rgba(10, 16, 32, 0.90));
}

.shortener-public-eyebrow {
  margin: 0 0 .75rem;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  color: #c4b5fd;
}

.shortener-public-card h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 7vw, 4rem);
}

.shortener-public-message {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.shortener-public-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.shortener-public-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1rem;
  border-radius: 999px;
  text-decoration: none;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 700;
}

.shortener-public-footnote {
  margin: 1.25rem 0 0;
  color: rgba(255,255,255,.58);
  font-size: .9rem;
}

@media (max-width: 640px) {
  .shortener-public-shell { padding: 1rem; }
  .shortener-public-card { padding: 1.5rem; border-radius: 22px; }
}