body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.card {
    border: none;
    border-radius: 15px;
    animation: fadeIn 0.5s ease-in;
}

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

.input-group-text {
    background-color: #f8f9fa;
    border-right: none;
}

.form-control {
    border-left: none;
}

.form-control:focus {
    box-shadow: none;
    border-color: #dee2e6;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    transition: transform 0.2s;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 2rem !important;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 1.5rem !important;
    }
}