.spg-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        font-family: Arial, sans-serif;
    }
    
    .spg-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 30px;
        border-bottom: 2px solid #007cba;
        padding-bottom: 15px;
    }
    
    .spg-nav {
        display: flex;
        gap: 10px;
    }
    
    .spg-nav-btn {
        padding: 10px 20px;
        border: none;
        background: #f0f0f0;
        cursor: pointer;
        border-radius: 5px;
        transition: background 0.3s;
    }
    
    .spg-nav-btn.active,
    .spg-nav-btn:hover {
        background: #007cba;
        color: white;
    }
    
    .spg-mesas-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 20px;
    }
    
    .spg-mesa {
        border: 2px solid #ddd;
        border-radius: 10px;
        padding: 20px;
        text-align: center;
        transition: all 0.3s;
    }
    
    .spg-mesa-livre {
        background: #d4edda;
        border-color: #28a745;
    }
    
    .spg-mesa-ocupada {
        background: #fff3cd;
        border-color: #ffc107;
    }
    
    .spg-mesa-reservada {
        background: #cce5ff;
        border-color: #007bff;
    }
    
    .spg-mesa-numero {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 10px;
    }
    
    .spg-mesa-status {
        font-size: 14px;
        margin-bottom: 10px;
        padding: 5px 10px;
        border-radius: 20px;
        display: inline-block;
    }
    
    .spg-mesa-livre .spg-mesa-status {
        background: #28a745;
        color: white;
    }
    
    .spg-mesa-ocupada .spg-mesa-status {
        background: #ffc107;
        color: #333;
    }
    
    .spg-mesa-reservada .spg-mesa-status {
        background: #007bff;
        color: white;
    }
    
    .spg-mesa-garcom {
        font-size: 12px;
        color: #666;
        margin-bottom: 15px;
    }
    
    .spg-mesa-actions {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .spg-btn {
        padding: 8px 15px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        font-size: 12px;
        transition: all 0.3s;
    }
    
    .spg-btn-primary { background: #007bff; color: white; }
    .spg-btn-secondary { background: #6c757d; color: white; }
    .spg-btn-success { background: #28a745; color: white; }
    .spg-btn-warning { background: #ffc107; color: #333; }
    .spg-btn-info { background: #17a2b8; color: white; }
    .spg-btn-danger { background: #dc3545; color: white; }
    
    .spg-btn:hover {
        opacity: 0.8;
        transform: translateY(-2px);
    }
    
    .spg-modal {
        position: fixed;
        z-index: 1000;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0,0,0,0.5);
    }
    
    .spg-modal-content {
        background-color: #fefefe;
        margin: 5% auto;
        padding: 20px;
        border-radius: 10px;
        width: 90%;
        max-width: 500px;
        position: relative;
    }
    
    .spg-close {
        color: #aaa;
        float: right;
        font-size: 28px;
        font-weight: bold;
        cursor: pointer;
        position: absolute;
        right: 15px;
        top: 10px;
    }
    
    .spg-close:hover {
        color: black;
    }
    
    .spg-form-group {
        margin-bottom: 15px;
    }
    
    .spg-form-group label {
        display: block;
        margin-bottom: 5px;
        font-weight: bold;
    }
    
    .spg-form-group input,
    .spg-form-group textarea,
    .spg-form-group select {
        width: 100%;
        padding: 10px;
        border: 1px solid #ddd;
        border-radius: 5px;
        font-size: 14px;
    }
    
    .spg-form-group textarea {
        height: 100px;
        resize: vertical;
    }
    
    @media (max-width: 768px) {
        .spg-header {
            flex-direction: column;
            gap: 15px;
        }
        
        .spg-mesas-grid {
            grid-template-columns: 1fr;
        }
        
        .spg-mesa-actions {
            flex-direction: column;
        }
        
        .spg-btn {
            width: 100%;
        }
    }