.container-message {
            max-width: 500px;
            width: 100%;
        }

        .sendMail {
            background: white;
            color: #667eea;
            border: none;
            padding: 15px 40px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            display: block;
            margin: 0 auto 30px;
        }

        .sendMail:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.3);
        }

        .sendMail:active {
            transform: translateY(0);
        }

        .message-card {
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            opacity: 0;
            transform: scale(0.8) translateY(20px);
            animation: slideIn 0.5s ease forwards;
        }

        @keyframes slideIn {
            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        .message-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0f0f0;
        }

        .icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 24px;
        }

        .message-title {
            font-size: 20px;
            font-weight: 700;
            color: #333;
        }

        .message-body {
            color: #666;
            line-height: 1.6;
            font-size: 16px;
            margin-bottom: 20px;
        }

        .data-display {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 15px;
            margin-top: 15px;
        }

        .data-item {
            margin: 8px 0;
            color: #555;
        }

        .data-item strong {
            color: #667eea;
        }

        .loading {
            text-align: center;
            padding: 40px;
        }

        .spinner {
            width: 50px;
            height: 50px;
            border: 4px solid #f3f3f3;
            border-top: 4px solid #667eea;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .error {
            background: #fee;
            color: #c33;
            padding: 15px;
            border-radius: 10px;
            border-left: 4px solid #c33;
        }

        .success-badge {
            display: inline-block;
            background: #4caf50;
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }