/* Estilos básicos caso o arquivo CSS externo não seja encontrado */
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
        }
        
        .timer-container {
            text-align: center;
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .display {
            font-size: 72px;
            margin: 20px 0;
            font-family: monospace;
        }
        
        .buttons {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        button {
            padding: 10px 20px;
            font-size: 16px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .start-pause {
            background-color: #4CAF50;
            color: white;
        }
        
        .reset {
            background-color: #FF9800;
            color: white;
        }
        
        .restart {
            background-color: #2196F3;
            color: white;
        }
        
        .silence {
            background-color: #9C27B0;
            color: white;
        }
        
        .inputs {
            margin-bottom: 20px;
        }
        
        input {
            width: 50px;
            padding: 5px;
            font-size: 16px;
            text-align: center;
            margin: 0 5px;
        }

        .status {
            margin-top: 10px;
            font-size: 14px;
            color: #666;
        }