* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f3f4f6;
  color: #111827;
}

.container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 720px;
  background: #ffffff;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
}

.badge {
  display: inline-block;
  background: #111827;
  color: #ffffff;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  margin-bottom: 14px;
}

h1 {
  margin: 0 0 12px;
  font-size: 30px;
}

h2 {
  margin-top: 0;
  font-size: 20px;
}

p {
  line-height: 1.6;
}

.steps {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 18px;
  margin: 22px 0;
}

li {
  margin-bottom: 8px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  background: #111827;
  color: #ffffff;
  padding: 13px 18px;
  border-radius: 14px;
  font-weight: 700;
  margin: 6px 6px 6px 0;
}

.btn.secondary {
  background: #374151;
}

.btn.full {
  width: 100%;
  text-align: center;
  margin-top: 12px;
}

.note {
  color: #6b7280;
  font-size: 14px;
  margin-top: 20px;
}

.form {
  display: grid;
  gap: 10px;
}

label {
  font-weight: 700;
  margin-top: 6px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 14px;
  padding: 13px;
  font-size: 15px;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.back {
  display: inline-block;
  margin-top: 18px;
  color: #111827;
  font-weight: 700;
  text-decoration: none;
}

code {
  display: block;
  background: #f3f4f6;
  padding: 12px;
  border-radius: 12px;
  margin-bottom: 14px;
  word-break: break-all;
}

.success {
  text-align: center;
}

@media (max-width: 600px) {
  .card {
    border-radius: 18px;
    padding: 22px;
  }

  h1 {
    font-size: 24px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}