:root {
    --primary-color: #4e73df;
    --secondary-color: #f8f9fc;
    --accent-color: #2e59d9;
    --text-color: #5a5c69;
}

.login-body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: -2;
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

.home-btn {
    z-index: 1000;
    transition: all 0.3s ease;
}

.home-btn:hover {
    transform: scale(1.1);
}

.login-card {
    border: none;
    border-radius: 1rem;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.logo-img {
    max-height: 80px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.form-control {
    padding: 0.75rem 1rem;
    border: 1px solid #d1d3e2;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(78, 115, 223, 0.25);
}

.input-group-text {
    padding: 0.75rem 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .login-card {
        margin-top: 2rem;
        margin-bottom: 2rem;
    }

    .logo-img {
        max-height: 60px;
    }

    .home-btn {
        top: 1rem;
        left: 1rem;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 2rem;
    }

    .btn {
        padding: 0.5rem 1rem;
    }
}

/* Animation for better UX */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    animation: fadeIn 0.6s ease-out forwards;
}