* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, sans-serif;
        }

        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background: linear-gradient(
                rgba(60, 40, 20, 0.6),
                rgba(60, 40, 20, 0.6)
            ),
            url('../images/la-vie-in-the-sky.jpg') no-repeat center center/cover;
        }

        .login-container {
            background: #f5efe6;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0px 6px 18px rgba(60, 40, 20, 0.35);
            width: 350px;
            height: 355px;
            text-align: center;
            border-top: 6px solid #6f4e37;
        }

        .login-container h2 {
            margin-bottom: 20px;
            color: #6f4e37;
            font-weight: bold;
            letter-spacing: 1px;
        }

        .input-group {
            margin-bottom: 15px;
            text-align: left;
        }

        .input-group label {
            display: block;
            font-weight: bold;
            margin-bottom: 5px;
            color: #4b3621;
        }

        .input-group input {
            width: 100%;
            padding: 10px;
            border: 1px solid #c4a484;
            border-radius: 5px;
            font-size: 16px;
            background: #fffaf5;
        }

        .input-group input:focus {
            outline: none;
            border-color: #6f4e37;
            box-shadow: 0 0 4px rgba(111, 78, 55, 0.5);
        }

        .btn {
            width: 100%;
            padding: 10px;
            background: #6f4e37;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 18px;
            cursor: pointer;
            transition: background 0.3s, box-shadow 0.3s;
        }

        .btn:hover {
            background: #4b3621;
            box-shadow: 0 4px 10px rgba(60, 40, 20, 0.4);
        }

        .register-link {
            margin-top: 15px;
            font-size: 14px;
        }

        .register-link a {
            color: #6f4e37;
            text-decoration: none;
            font-weight: bold;
        }

        .error-message {
            text-align: center;
            color: #b22222;
            font-weight: bold;
        }

        .loading-message {
            text-align: center;
            color: #6f4e37;
            font-weight: bold;
        }

        .maintenance-advisory {
            background-color: #4b3621;
            color: #fffaf0;
            padding: 10px;
            width: 100%;
            text-align: center;
            font-size: 16px;
            font-weight: bold;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 999;
        }