body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-family: 'Open Sans', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    max-width: 500px;
    width: 100%;
    padding: 2rem;
}

.login-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: none;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.login-header h2 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    opacity: 0.9;
    margin-bottom: 0;
}

.login-body {
    padding: 2rem;
}

.form-floating {
    margin-bottom: 1rem;
}

.form-floating > .form-control {
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 1rem 0.75rem;
}

.form-floating > .form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-floating > label {
    padding: 1rem 0.75rem;
}

.btn-login {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    color: white;
    width: 100%;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.4);
    color: white;
}

.btn-stay {
    border-radius: 8px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-stay:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 117, 125, 0.3);
    background-color: #6c757d;
    border-color: #6c757d;
    color: white;
}

.form-check {
    margin: 1rem 0;
}

.form-check-input:checked {
    background-color: #007bff;
    border-color: #007bff;
}

.login-footer {
    text-align: center;
    padding: 1rem 2rem 2rem;
    background: #f8f9fa;
}

.login-footer a {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

.divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #dee2e6;
}

.divider::before {
    margin-right: 1rem;
}

.divider::after {
    margin-left: 1rem;
}

.social-login {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.btn-social {
    flex: 1;
    border: 1px solid #dee2e6;
    background: white;
    color: #6c757d;
    border-radius: 8px;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.btn-social:hover {
    background: #f8f9fa;
    color: #495057;
}

.btn-google {
    color: #db4437;
}

.btn-facebook {
    color: #4267B2;
}

.btn-microsoft {
    color: #00bcf2;
}

.alert {
    border-radius: 8px;
    border: none;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .login-container {
        padding: 1rem;
    }

    .login-header,
    .login-body {
        padding: 1.5rem;
    }

    .login-footer {
        padding: 1rem 1.5rem 1.5rem;
    }
}

/* Animation */
.login-card {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(30px);
     }
     to {
         opacity: 1;
         transform: translateY(0);
     }
 }