/* Background image (initially clear) */
        .bg-image {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('bg.jpg') no-repeat center center fixed;
            background-size: cover;
            transition: filter 1s ease;
            z-index: 1;
        }

        /* Blur effect (activated after modal appears) */
        .bg-image.blurred {
            filter: blur(3px);
            transform: scale(1.05);
        }

        /* Dark overlay (hidden by default) */
        .bg-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0);
            z-index: 2;
            transition: background 1s ease;
        }

        .bg-overlay.visible {
            background: rgba(0, 0, 0, 0.45);
        }

        /* Modal container */
        .login-modal-container {
            position: relative;
            z-index: 3;
            opacity: 1;
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        /* Hidden state */
        .login-modal-container.hidden {
            opacity: 0;
            pointer-events: none;
            transform: scale(0.9);
        }

        /* Show state */
        .login-modal-container.show {
            opacity: 1;
            transform: scale(1);
        }

        /* Login card styling */
        .login-card {
            width: 100%;
            max-width: 400px;
            background: rgba(255, 255, 255, 0.97);
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
            backdrop-filter: blur(5px);
        }

        /* Input and icon */
        .input-group-text {
            border-right: none;
            color: #888;
        }

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

        .input-group:focus-within .input-group-text {
            color: #0073b1;
        }

        /* Button */
        .btn-warning {
            background-color: #0a66c2;
            border: none;
        }

        .btn-warning:hover {
            background-color:#0073b1;
        }

        /* Responsive */
        @media (max-width: 480px) {
            .login-card {
                margin: 0 15px;
                padding: 1.5rem;
            }
        }