.chronometer-container {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }
        .time-display {
            font-family: 'Courier New', monospace;
            font-size: 4rem;
            font-weight: bold;
            color: #007acc;
            background: #f8f9fa;
            border: 3px solid #e9ecef;
            border-radius: 10px;
            padding: 30px;
            margin: 30px 0;
            min-height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .controls {
            display: flex;
            gap: 15px;
            justify-content: center;
            margin: 20px 0;
            flex-wrap: wrap;
        }
        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            min-width: 100px;
        }
        .btn-start {
            background: #28a745;
            color: white;
        }
        .btn-pause {
            background: #ffc107;
            color: #212529;
        }
        .btn-stop {
            background: #dc3545;
            color: white;
        }
        .btn-reset {
            background: #6c757d;
            color: white;
        }
        .btn-lap {
            background: #17a2b8;
            color: white;
        }
        .laps-container {
            margin-top: 30px;
            text-align: left;
        }
        .laps-title {
            font-size: 1.2rem;
            font-weight: bold;
            color: #495057;
            margin-bottom: 15px;
        }
        .lap-time {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 4px;
            padding: 10px 15px;
            margin: 5px 0;
            font-family: 'Courier New', monospace;
            display: flex;
            justify-content: space-between;
        }
        .lap-number {
            color: #6c757d;
        }
        .lap-duration {
            color: #007acc;
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .time-display {
                font-size: 2.5rem;
                padding: 20px;
            }
            .controls {
                gap: 10px;
            }
            .btn {
                padding: 10px 16px;
                font-size: 14px;
                min-width: 80px;
            }
        }