*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(135deg, #fdf2ff, #ffe9d6);
  color: #1f2933;
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.card {
  max-width: 520px;
  width: 100%;
  background-color: #ffffff;
  border-radius: 16px;
  padding: 2.25rem 2rem;
  text-align: center;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
}

.card h1 {
  font-size: 1.7rem;
  margin-bottom: 1rem;
}

.card p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  margin: 0.5rem 0 1rem;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  background: radial-gradient(circle at 0 0, #fdf497, #fd5949 40%, #d6249f 70%, #285aeb);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.03em;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  box-shadow: 0 10px 24px rgba(220, 38, 127, 0.4);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 14px 32px rgba(220, 38, 127, 0.5);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(220, 38, 127, 0.35);
}

.subtext {
  font-size: 0.9rem;
  color: #4b5563;
}

.url {
  word-break: break-all;
  font-family: "SF Mono", "Roboto Mono", ui-monospace, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
  color: #111827;
}