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

body {
  font-family: "Inter", sans-serif;
  background-color: #f9fafb;
  color: #1f2937;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  border-bottom: 1px solid #e5e7eb;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}

header h1 {
  font-size: 1.125rem;
  font-weight: 700;
}

/* Main content */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
}

.card {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  padding: 1rem;
  width: 100%;
  max-width: 28rem;
  text-align: center;
}

/* Error icon */
.error-icon {
  margin: 0 auto 1rem;
  width: 6rem;
  height: 6rem;
  background-color: #fee2e2;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.alert-circle {
  width: 4rem;
  height: 4rem;
  color: #ef4444;
}

/* Card content */
.card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 0.75rem;
}

.alert-box {
  background-color: #fee2e2;
  border: 1px solid #fecaca;
  border-radius: 0.375rem;
  padding: 0.75rem;
  margin-bottom: 1rem;
}

.alert-box p {
  color: #b91c1c;
  font-size: 0.875rem;
}

.info-text {
  color: #4b5563;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.payment-info {
  margin-bottom: 1.5rem;
}

.warning-box {
  background-color: #fefce8;
  border: 1px solid #fef08a;
  border-radius: 0.375rem;
  padding: 0.75rem;
  font-size: 0.875rem;
  color: #854d0e;
}

.action-button {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background-color: #16a34a;
  color: white;
  font-weight: 700;
  text-align: center;
  border-radius: 0.375rem;
  text-decoration: none;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  transition: background-color 0.2s;
}

.action-button:hover {
  background-color: #15803d;
}

/* Footer */
footer {
  border-top: 1px solid #e5e7eb;
  padding: 1rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.secure-payment {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.secure-payment svg {
  color: #16a34a;
}

.secure-payment span {
  font-size: 0.75rem;
  font-weight: 500;
}

.payment-methods {
  display: flex;
  gap: 1rem;
  margin: 0.5rem 0;
}

.payment-badge {
  background-color: #f3f4f6;
  padding: 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #4b5563;
}

.security-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  color: #6b7280;
  font-size: 0.75rem;
}

.security-item {
  display: flex;
  align-items: center;
}

.security-item svg {
  margin-right: 0.25rem;
}

.copyright {
  text-align: center;
  color: #6b7280;
  font-size: 0.75rem;
  margin-top: 0.5rem;
}

/* Responsividade */
@media (min-width: 640px) {
  .header-content {
    padding: 1rem;
  }

  header h1 {
    font-size: 1.25rem;
  }

  main {
    padding: 2rem 1rem;
  }

  .card {
    padding: 1.5rem;
  }

  .error-icon {
    width: 8rem;
    height: 8rem;
    margin-bottom: 1.5rem;
  }

  .alert-circle {
    width: 5rem;
    height: 5rem;
  }

  .card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .alert-box {
    padding: 1rem;
    margin-bottom: 1.5rem;
  }

  .alert-box p,
  .info-text {
    font-size: 1rem;
  }

  .warning-box {
    padding: 1rem;
    font-size: 0.875rem;
  }

  .action-button {
    margin-top: 1.5rem;
    font-size: 1rem;
  }

  .secure-payment span,
  .copyright {
    font-size: 0.875rem;
  }
}