/* Main Content */
        main {
            max-width: 500px;
            margin: 4rem auto;
            padding: 0 2rem;
        }

        .login-container {
            background: white;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        h1 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .subtitle {
            color: #666;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        label {
            display: block;
            margin-bottom: 0.5rem;
            color: #333;
            font-weight: 500;
        }

        input[type="email"],
        input[type="password"],
        input[type="text"] {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        input:focus {
            outline: none;
            border-color: #666;
        }

        .btn {
            width: 100%;
            padding: 0.875rem;
            background: #333;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
            margin-top: 1rem;
        }

        .btn:hover {
            background: #555;
        }

        .link-text {
            display: block;
            text-align: center;
            margin-top: 1rem;
            color: #666;
        }

        .link-text a {
            color: #333;
            text-decoration: none;
            font-weight: 500;
        }

        .link-text a:hover {
            text-decoration: underline;
        }

        .divider {
            margin: 1.5rem 0;
            text-align: center;
            position: relative;
        }

        .divider::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 1px;
            background: #e0e0e0;
        }

        .divider span {
            position: relative;
            background: white;
            padding: 0 1rem;
            color: #999;
        }