:root {
  --primary: #4361ee;
  --primary-dark: #3a0ca3;
  --secondary: #f72585;
  --dark: #212529;
  --light: #f8f9fa;
  --success: #4cc9f0;
  --warning: #f8961e;
  --danger: #ef233c;
  --radius: 12px;
  --shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Elegant typography */
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: #f5f7ff;
}

/* Card design */
.card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

/* Form elements */
.form-control {
  border: 2px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

/* Buttons */
.btn {
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* Responsive grid */
.grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.6s ease-out forwards;
}