body {
            background: url('https://gis-lab.s3.ap-southeast-1.amazonaws.com/uploads/681da0cb128ba-backgroundv1.jpeg') no-repeat center center fixed;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            font-family: 'Roboto', sans-serif;
        }

        .login-container {
            background: rgba(255, 255, 255, 0.95);
            padding: 50px;
            border-radius: 15px;
            box-shadow: 0px 8px 25px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 480px;
            min-height: 75vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            backdrop-filter: blur(10px);
            animation: fadeInScale 0.7s ease-out;
        }

        @keyframes fadeInScale {
            from { opacity: 0; transform: scale(0.9); }
            to { opacity: 1; transform: scale(1); }
        }

        .login-container:hover {
            transform: translateY(-5px);
            transition: transform 0.3s ease;
        }

        .logo {
            width: 200px;
            height: auto;
            margin-bottom: 25px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .login-container h2 {
            color: #2f4f4f;
            font-weight: 700;
            margin-bottom: 10px;
            font-size: 2rem;
        }

        .login-container p {
            color: #666;
            margin-bottom: 30px;
            font-size: 1.1rem;
        }

        .login-container input {
            background: #fff;
            color: #000;
            border: 2px solid #198754;
            padding: 15px;
            width: 100%;
            max-width: 380px;
            margin-bottom: 15px;
            border-radius: 8px;
            font-size: 16px;
            box-sizing: border-box;
            transition: all 0.3s ease;
        }

        .login-container input:focus {
            outline: none;
            border-color: #20c997;
            box-shadow: 0 0 0 3px rgba(32, 201, 151, 0.2);
            transform: translateY(-2px);
        }

        .login-container input::placeholder {
            color: #666;
        }

        .login-btn {
            background: linear-gradient(135deg, #198754, #20c997);
            color: #fff;
            padding: 15px;
            width: 100%;
            max-width: 380px;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 20px;
        }

        .login-btn:hover {
            background: linear-gradient(135deg, #145c38, #198754);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(25, 135, 84, 0.3);
        }

        .login-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
        }

        .manual-buttons {
            display: flex;
            gap: 10px;
            justify-content: space-between;
            width: 100%;
            max-width: 380px;
            margin-top: 15px;
        }

        .manual-btn {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(29, 78, 216, 0.9));
            color: white;
            border: none;
            border-radius: 8px;
            padding: 12px 8px;
            width: calc(50% - 5px);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .manual-btn:hover {
            background: linear-gradient(135deg, rgba(29, 78, 216, 1), rgba(59, 130, 246, 1));
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
            color: white;
            text-decoration: none;
        }

        .manual-btn:focus {
            color: white;
            text-decoration: none;
        }

        .error {
            color: #dc3545;
            font-size: 14px;
            margin-top: -10px;
            margin-bottom: 15px;
            text-align: left;
            width: 100%;
            max-width: 380px;
        }

        .spinner-border-sm {
            width: 1rem;
            height: 1rem;
            border-width: 0.1em;
        }

        @media (max-width: 768px) {
            .login-container {
                padding: 30px;
                margin: 20px;
            }

            .logo {
                width: 150px;
            }

            .login-container h2 {
                font-size: 1.5rem;
            }

            .manual-btn {
                font-size: 12px;
                padding: 10px 6px;
            }
        }

        @media (max-width: 576px) {
            .manual-buttons {
                flex-direction: column;
                gap: 8px;
            }

            .manual-btn {
                width: 100%;
                font-size: 13px;
            }
        }