:root {
  --bg-1: #0f172a;
  --bg-2: #111827;
  --card: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.14);
  --text: #f8fafc;
  --muted: rgba(248, 250, 252, 0.78);
  --accent: #38bdf8;
  --accent-2: #7dd3fc;
  --shadow: 0 24px 80px rgba(2, 6, 23, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.26), transparent 34%),
    radial-gradient(circle at 20% 20%, rgba(125, 211, 252, 0.18), transparent 22%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2));
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(720px, 100%);
  padding: 40px 32px 28px;
  border: 1px solid var(--card-border);
  border-radius: 28px;
  background: var(--card);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(125, 211, 252, 0.28);
  color: var(--accent-2);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 16px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.lead {
  margin: 0;
  font-size: clamp(1.02rem, 1.8vw, 1.15rem);
  line-height: 1.8;
  color: var(--muted);
}

.lead a,
.url {
  color: var(--accent-2);
  text-decoration: none;
}

.lead a:hover,
.url:hover {
  text-decoration: underline;
}

.url-box {
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.38);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.url-label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.65);
}

.url {
  font-size: clamp(1.1rem, 2.6vw, 1.35rem);
  font-weight: 700;
  word-break: break-all;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  appearance: none;
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #00111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 26px rgba(56, 189, 248, 0.22);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.note {
  margin: 18px 0 0;
  color: rgba(226, 232, 240, 0.72);
  font-size: 0.96rem;
  line-height: 1.7;
}

.footer {
  width: min(720px, 100%);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 4px 0;
  color: rgba(226, 232, 240, 0.52);
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .card {
    padding: 28px 20px 22px;
    border-radius: 22px;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}