body {
    background: linear-gradient(135deg, #74ebd5, #9face6);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.login-card .card-header {
    background: #fff;
    border-bottom: none;
    padding: 1.5rem;
}

.login-card h4 {
    font-weight: 600;
    margin: 0;
}

.login-card .card-body {
    padding: 2rem;
}

.form-control,
.form-select {
    border-radius: 0.5rem;
}

.btn-primary {
    background: #4e73df;
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem;
    font-weight: 500;
}

.btn-primary:hover {
    background: #2e59d9;
}