* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f6f8;
  color: #1f2937;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 16px;
}

.card {
  background: white;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 12px 30px rgba(0,0,0,.08);
  margin-bottom: 20px;
}

h1 {
  margin-top: 0;
  font-size: 2rem;
}

h2 {
  margin-top: 0;
}

.muted {
  color: #6b7280;
  line-height: 1.6;
}

label {
  display: block;
  margin-top: 14px;
  margin-bottom: 6px;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

button,
.button {
  display: inline-block;
  margin-top: 18px;
  padding: 13px 18px;
  border-radius: 999px;
  border: 0;
  background: #2563eb;
  color: white;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

button:hover,
.button:hover {
  background: #1d4ed8;
}

.button.secondary {
  background: #e5e7eb;
  color: #111827;
  margin-left: 8px;
}

.button.secondary:hover {
  background: #d1d5db;
}

footer {
  text-align: center;
  color: #6b7280;
  font-size: .9rem;
  padding: 20px;
}

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

  .button.secondary {
    margin-left: 0;
  }

  button,
  .button {
    width: 100%;
    text-align: center;
  }
}
.info-box {
  margin-top: 28px;
  padding: 24px;
  border-radius: 18px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border: 1px solid #1d4ed8;
  color: white;
}

.info-box h2 {
  margin-top: 0;
  margin-bottom: 10px;
  color: white;
}

.info-box p,
.info-box .muted {
  margin-bottom: 18px;
  color: white;
}