body { font-family: Arial, sans-serif; background-color: #f4f4f9; padding: 20px; }
        
        #pantalla-carga { text-align: center; padding: 50px; font-size: 18px; color: #555; }
        
        .app-container { display: none; flex-wrap: wrap; gap: 20px; }
        
        /* Layout */
        .sidebar { width: 100%; max-width: 300px; background: white; padding: 15px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .main-content { flex: 1; min-width: 300px; }
        
        /* Lista de invitados */
        .guest-card { display: flex; align-items: center; gap: 10px; padding: 10px; margin-bottom: 10px; background: #fff; border: 1px solid #ddd; border-radius: 6px; cursor: grab; transition: 0.2s; }
        .guest-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
        .guest-card img { border-radius: 50%; width: 40px; height: 40px; object-fit: cover; }
        .guest-card.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
        
        /* Mesas */
        .tables-container { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 15px; }
        .mesa { padding: 15px; border-radius: 8px; min-width: 250px; flex: 1; min-height: 150px; border: 2px dashed rgba(0,0,0,0.2); transition: background-color 0.1s; }
        .mesa.dragover { border-color: #333; background-blend-mode: darken; }
        .mesa-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(0,0,0,0.1); padding-bottom: 8px; margin-bottom: 10px; font-weight: bold; }
        
        /* Selector de color */
        .color-picker { border: none; width: 30px; height: 30px; padding: 0; cursor: pointer; background: transparent; border-radius: 4px; }
        .color-picker::-webkit-color-swatch-wrapper { padding: 0; }
        .color-picker::-webkit-color-swatch { border: 1px solid rgba(0,0,0,0.2); border-radius: 4px; }

        /* Invitados en mesa */
        .guest-in-table { display: flex; align-items: center; justify-content: space-between; background: rgba(255,255,255,0.7); padding: 5px 10px; margin-bottom: 5px; border-radius: 4px; font-size: 14px; }
        .guest-in-table img { width: 24px; height: 24px; border-radius: 50%; margin-right: 8px; vertical-align: middle; }
        .btn-remove { background: #ff4d4d; color: white; border: none; border-radius: 4px; cursor: pointer; padding: 2px 6px; font-size: 12px; }
        
        /* Botones y Resumen */
        .btn-add { background: #4CAF50; color: white; padding: 10px 15px; border: none; border-radius: 5px; cursor: pointer; font-size: 14px; width: 100%; }
        .resumen-box { background: white; padding: 15px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); margin-bottom: 20px; font-size: 16px; }