body, html {
            height: 100%;
            margin: 0;
            font-family: Arial, sans-serif;
            background: linear-gradient(135deg, #1b1b2f, #162447);
            color: white;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }
        .content-container {
            flex: 1;
            margin-top: 20px;
            margin-bottom: 100px;
            z-index: 2;
            max-width: 1200px;
        }
        .footer {
            background-color: #0f1a2e;
            color: #d1d4dc;
            text-align: center;
            padding: 1rem;
            flex-shrink: 0;
            z-index: 3;
            font-size: 0.9rem;
        }
        .footer p {
            margin: 0;
            font-weight: bold;
            letter-spacing: 0.5px;
        }
        .btn-custom {
            height: 38px;
        }
        .btn-custom-row {
            width: 120px;
            height: 38px;
            padding: 8px 0px;
            font-size: 0.8rem;
            
        }
        .form-control-sm {
            height: 38px;
            width: 200px;
        }
        .section-container {
            margin-top: 40px;
        }
        .table-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .list-group-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #333; /* Changed to darker color for visibility */
            background-color: #f8f9fa; /* Ensure background is light for contrast */
        }
        .email-list-container {
            max-width: 400px;
        }
        .navbar {
            background-color: #0f1a2e;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
            z-index: 3;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            color: #d1d4dc !important;
            font-weight: bold;
            font-size: 1.25rem;
        }
        .navbar-brand img {
            height: 30px;
            margin-right: 10px;
        }
        .navbar-tagline {
            font-size: 0.8rem;
            color: #b0b8c5;
            margin-left: 10px;
            font-weight: normal;
        }
        .navbar-nav .nav-link {
            color: #d1d4dc !important;
            font-size: 0.8rem;
        }
        .navbar-toggler {
            border-color: #a2ebec;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(209, 212, 220, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }
        .table-responsive {
            background-color: rgba(255, 255, 255, 0.9);
            border-radius: 10px;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
            font-size: 0.9rem;
            width: 105%;
        }
        .thead-dark th {
            background-color: #162447;
            color: white;
        }
        .btn-custom {
            height: 38px;
            font-size: 0.8rem;
        }
        .form-control-sm {
            height: 38px;
            width: 200px;
        }
        .section-container {
            margin-top: 40px;
        }
        .table-warning {
            background-color: yellow !important;
        }
        .table-danger {
            background-color: rgba(255, 0, 0, 0.1);
        }
        .table-disable-notification {
            background-color: rgba(255, 227, 170, 0.5) !important;
        }



        /* Register */


        .register-container {
            background: rgba(255, 255, 255, 0.9);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
            width: 350px;
            position: relative;
            z-index: 2;
            color: #333;
        }

        .register-container h3 {
            text-align: center;
            margin-bottom: 20px;
            color: #333;
            font-weight: bold;
            font-size: 1.5rem;
        }

        .register-container input,
        .register-container select {
            width: 100%;
            padding: 10px;
            margin: 10px 0;
            border: none;
            border-radius: 5px;
            background: rgba(0, 0, 0, 0.1);
            color: #333;
        }

        .register-container input:focus,
        .register-container select:focus {
            outline: none;
            background: rgba(0, 0, 0, 0.2);
        }

        .register-container button {
            width: 100%;
            padding: 10px;
            margin: 10px 0;
            border: none;
            border-radius: 5px;
            background: #5a78a8;
            color: white;
            font-size: 16px;
            cursor: pointer;
        }

        .register-container button:hover {
            background: #3f5477;
        }

        .message {
            text-align: center;
            margin-bottom: 10px;
            color: #155724;
            background-color: #d4edda;
            border-color: #c3e6cb;
            padding: 10px;
            border-radius: 5px;
        }

        .footer {
            position: fixed;
            bottom: 0;
            width: 100%;
            text-align: center;
            padding: 10px 0;
            z-index: 3;
            color: #d1d4dc;
            font-size: 0.9rem;
        }

        .footer p {
            margin: 0;
            font-weight: bold;
            letter-spacing: 0.5px;
        }

        .floating-particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .floating-particles span {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(0, 217, 255, 0.4);
            box-shadow: 0 0 6px rgba(0, 217, 255, 0.4), 0 0 20px rgba(0, 217, 255, 0.4);
            animation: moveParticle 10s linear infinite;
        }

        @keyframes moveParticle {
            0% { transform: translateY(0); opacity: 1; }
            100% { transform: translateY(-100vh); opacity: 0; }
        }

        .floating-particles span:nth-child(odd) {
            animation-duration: 12s;
        }

        .floating-particles span:nth-child(even) {
            animation-duration: 8s;
        }