.checkin-container {
            max-width: 600px;
            margin: 0 auto;
        }
        
        .camera-container {
            background: #000;
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 20px;
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        #camera {
            width: 100%;
            height: auto;
            display: none;
        }
        
        #canvas {
            display: none;
        }
        
        #preview {
            width: 100%;
            height: auto;
            display: none;
        }
        
        .camera-placeholder {
            color: white;
            text-align: center;
            padding: 40px;
        }
        
        .camera-controls {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
            justify-content: center;
        }
        
        .info-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .info-box h3 {
            margin: 0 0 10px 0;
            font-size: 1.5rem;
        }
        
        .info-box .time {
            font-size: 2.5rem;
            font-weight: 700;
            margin: 10px 0;
        }
        
        .info-box .date {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .location-info {
            background: #e3f2fd;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            border-left: 4px solid #2196f3;
        }
        
        .location-info.error {
            background: #ffebee;
            border-left-color: #f44336;
        }
        
        .location-info.success {
            background: #e8f5e9;
            border-left-color: #4caf50;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #2c3e50;
            font-weight: 600;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 0.95rem;
            transition: all 0.3s;
        }
        
        .form-control:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }
        
        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }
        
        .alert {
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-weight: 500;
        }
        
        .alert-warning {
            background: #fff3cd;
            color: #856404;
            border-left: 4px solid #ffc107;
        }
        
        .alert-success {
            background: #d4edda;
            color: #155724;
            border-left: 4px solid #28a745;
        }
        
        .alert-error {
            background: #f8d7da;
            color: #721c24;
            border-left: 4px solid #dc3545;
        }
        
        .btn-capture {
            background: #4caf50;
            color: white;
        }
        
        .btn-capture:hover {
            background: #45a049;
        }
        
        .btn-retake {
            background: #ff9800;
            color: white;
        }
        
        .btn-retake:hover {
            background: #f57c00;
        }
        
        @media (max-width: 768px) {
            .checkin-container {
                padding: 15px;
            }
            
            .info-box .time {
                font-size: 2rem;
            }
        }