body {
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, #003049, #004d73);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 48, 73, 0.3);
  border: 1px solid #dee2e6;
  max-width: 440px;
  width: 100%;
  padding: 40px;
}

.auth-card .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #F77F00;
  text-decoration: none;
}

.auth-card .subtitle {
  color: #6c757d;
  font-size: 0.95rem;
}

.auth-card .form-control {
  border-radius: 10px;
  padding: 12px 16px;
  border: 1px solid #dee2e6;
  background: #ffffff;
  color: #212529;
}

.auth-card .form-control:focus {
  background: #ffffff;
  border-color: #F77F00;
  box-shadow: 0 0 0 4px rgba(247, 127, 0, 0.1);
  color: #212529;
}

.auth-card .form-control::placeholder {
  color: #6c757d;
}

.auth-card .btn {
  border-radius: 10px;
  padding: 12px 0;
  font-weight: 600;
  transition: all 0.2s;
}

.auth-card .btn-dark {
  background: #F77F00;
  border-color: #F77F00;
  color: #ffffff;
}

.auth-card .btn-dark:hover {
  background: #d66d00;
  border-color: #d66d00;
}

.auth-card .btn-outline-dark {
  border-color: #003049;
  color: #003049;
}

.auth-card .btn-outline-dark:hover {
  background: #003049;
  border-color: #003049;
  color: #ffffff;
}

.auth-card .btn-outline-secondary {
  border-color: #6c757d;
  color: #6c757d;
}

.auth-card .btn-outline-secondary:hover {
  background: #6c757d;
  border-color: #6c757d;
  color: #ffffff;
}

.form-text-link {
  color: #6c757d;
  font-size: 0.9rem;
}

.form-text-link a {
  text-decoration: none;
  font-weight: 600;
  color: #F77F00;
}

.form-text-link a:hover {
  color: #d66d00;
}

.form-check-input {
  background: #ffffff;
  border-color: #dee2e6;
}

.form-check-input:checked {
  background: #F77F00;
  border-color: #F77F00;
}

.form-check-input:focus {
  border-color: #F77F00;
  box-shadow: 0 0 0 0.2rem rgba(247, 127, 0, 0.25);
}

.form-check-label {
  color: #495057;
}

.alert {
  border-radius: 12px;
  border: 1px solid;
}

.alert-danger {
  background: rgba(220, 53, 69, 0.1);
  border-color: #dc3545;
  color: #842029;
}

.alert-success {
  background: rgba(25, 135, 84, 0.1);
  border-color: #198754;
  color: #0f5132;
}

@media (max-width: 576px) {
  .auth-card {
    padding: 32px 24px;
  }
}