body {
            background: #121212;
            color: white;
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            margin: 0;
        }

        .form-container {
            background: #1e1e1e;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 0 15px rgba(231, 76, 60, 0.7);
            text-align: center;
            width: 90%;
            max-width: 400px;
        }

        h2 {
            color: #e74c3c;
            border-bottom: 2px solid gray;
            display: inline-block;
            padding-bottom: 5px;
        }

        form {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        input {
            width: 100%;
            padding: 10px;
            margin: 8px 0;
            border-radius: 5px;
            border: 1px solid gray;
        }

        button {
            background: #e74c3c;
            color: white;
            padding: 10px 15px;
            border: none;
            cursor: pointer;
            transition: 0.3s;
            width: 100%;
            border-radius: 5px;
        }

        button:hover {
            background: #c0392b;
        }

        .error {
            color: red;
            margin-bottom: 10px;
        }