:root {
  --bg: #0f172a;
  --card: #111827;
  --line: #263245;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #1f2937;
  --secondary-hover: #374151;
  --badge: #0b5ed7;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #0b1220 0%, #111827 100%);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  min-height: 100%;
}

body {
  min-height: 100vh;
}

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

.card {
  width: 100%;
  max-width: 560px;
  background: rgba(17, 24, 39, 0.96);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.badge {
  display: inline-block;
  background: var(--badge);
  color: white;
  font-size: 12px;
  line-height: 1;
  padding: 8px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

h1 {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.2;
}

.desc {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.5;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

.btn.primary:hover {
  background: var(--primary-hover);
}

.btn.secondary {
  background: var(--secondary);
  color: #fff;
  border: 1px solid #374151;
}

.btn.secondary:hover {
  background: var(--secondary-hover);
}

.info {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  word-break: break-word;
}

hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 20px 0;
}

.small {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}