body {
    background-image: url('https://avaada.com/wp-content/uploads/types-ofsolar-panels-min-1-scaled-1.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    font-family: 'Segoe UI', Arial, sans-serif; /* Modern, clean font stack */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0; /* Remove default body margin */
}

.login-card {
    background: rgba(255, 255, 255, 0.95); /* Slightly less transparent */
    padding: 2.5rem; /* Increased padding */
    border-radius: 12px; /* Rounded corners */
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.25); /* Stronger, softer shadow */
    backdrop-filter: blur(5px); /* Subtle blur effect behind the card */
    width: 100%;
    max-width: 480px; /* Slightly wider card for better spacing */
    animation: fadeIn 0.8s ease-out; /* Add a subtle fade-in animation */
}

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

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

.login-card h2 {
    font-size: 2.2rem;
    color: #007bff; /* Primary blue for main title */
}

/* Nav Tabs Styling */
.nav-pills .nav-link {
    border-radius: 8px; /* Slightly rounded tabs */
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: #6c757d; /* Muted text for inactive tabs */
    transition: all 0.3s ease; /* Smooth transition for hover/active */
}

    .nav-pills .nav-link.active {
        background-color: #007bff; /* Primary blue for active tab */
        color: white;
        transform: translateY(-2px); /* Subtle lift effect */
        box-shadow: 0 4px 10px rgba(0, 123, 255, 0.3); /* Shadow for active tab */
    }

    .nav-pills .nav-link:hover:not(.active) {
        color: #0056b3; /* Darker blue on hover */
        background-color: rgba(0, 123, 255, 0.05); /* Light background on hover */
    }

/* Form Floating Labels (Bootstrap 5 feature) */
.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 2px);
    line-height: 1.25;
}

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

/* Button Styling */
.btn-primary, .btn-success {
    padding: 0.8rem 1.5rem; /* Larger buttons */
    font-size: 1.1rem;
    border-radius: 8px; /* Rounded buttons */
    transition: all 0.3s ease;
}

    .btn-primary:hover {
        background-color: #0056b3; /* Darker blue on hover */
        border-color: #0056b3;
        transform: translateY(-1px);
    }

.btn-success {
    background-color: #28a745; /* Green for staff login */
    border-color: #28a745;
}

    .btn-success:hover {
        background-color: #218838; /* Darker green on hover */
        border-color: #218838;
        transform: translateY(-1px);
    }

/* Alert Styling */
.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-color: #f5c6cb;
    border-radius: 8px;
    font-size: 0.95rem;
    padding: 0.85rem 1.25rem;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .login-card {
        padding: 1.5rem;
        margin: 50px auto; /* Adjust margin for smaller screens */
    }

        .login-card h2 {
            font-size: 1.8rem;
        }

    .nav-pills .nav-link {
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
    }

    .btn-primary, .btn-success {
        font-size: 1rem;
        padding: 0.7rem 1.2rem;
    }
}