diff --git a/mirzaev/arming_bot/system/controllers/catalog.php b/mirzaev/arming_bot/system/controllers/catalog.php
index 1a7aa8b..f700fed 100755
--- a/mirzaev/arming_bot/system/controllers/catalog.php
+++ b/mirzaev/arming_bot/system/controllers/catalog.php
@@ -148,7 +148,7 @@ final class catalog extends core
 		$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: ['catalog_filters_brand' => $brand ?? null]));
 
 		// Writing to the current implementator of the buffer
-		$this->session->buffer = ['catalog' => ['filters' => ['brand' => $brand ?? null]]] + $this->session->buffer;
+		$this->session->buffer = ['catalog' => ['filters' => ['brand' => $brand ?? null]]] + $this->session->buffer ?? [];
 
 		// Initialize buffer of filters query (AQL)
 		$_sort = 'd.position ASC, d.name ASC, d.created DESC';
diff --git a/mirzaev/arming_bot/system/controllers/delivery.php b/mirzaev/arming_bot/system/controllers/delivery.php
index 843c523..825c198 100755
--- a/mirzaev/arming_bot/system/controllers/delivery.php
+++ b/mirzaev/arming_bot/system/controllers/delivery.php
@@ -78,7 +78,7 @@ final class delivery extends core
 				'ready' => false
 			];
 
-			if (!empty($company)) {
+			if (isset($company)) {
 				// Received company name
 
 				if (mb_strlen($company) < 65) {
@@ -113,6 +113,15 @@ final class delivery extends core
 
 							// Writing readiness status to the buffer of the response
 							$response['ready'] = true;
+
+							// Writing to the session buffer
+							$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [$name = 'delivery_' . $delivery['company'] . '_ready' => true]));
+
+							// Writing to the account buffer
+							$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [$name => true]));
+
+							// Deinitializing unnecessary variables
+							unset($name);
 						}
 					}
 
@@ -125,7 +134,7 @@ final class delivery extends core
 					// Deinitializing variable for normalized value of the parameter
 					unset($normalized);
 				}
-			} else if (!empty($location)) {
+			} else if (isset($location)) {
 				// Received location name
 
 				if (mb_strlen($location) < 257) {
@@ -143,23 +152,23 @@ final class delivery extends core
 					// Deinitializing unnecessary variables
 					unset($matches);
 
-					if (!empty($separated)) {
-						// Serapated location name
+					// Initialization buffer of delivery parameters
+					$delivery = $this->account?->buffer['delivery'] ?? $this->session?->buffer['delivery'] ?? [];
 
-						// Declaring variable for normalized separated values of location name
-						$normalized = [];
+					if (isset($delivery['company'])) {
+						// Initialized delivery company
 
-						// Normalizing location name
-						foreach ($separated as $value) $normalized[] = mb_ucfirst($value);
+						if (!empty($separated)) {
+							// Serapated location name
 
-						// Deinitializing unnecessary variables
-						unset($separated, $value);
+							// Declaring variable for normalized separated values of location name
+							$normalized = [];
 
-						// Initialization buffer of delivery parameters
-						$delivery = $this->account?->buffer['delivery'] ?? $this->session?->buffer['delivery'] ?? [];
+							// Normalizing location name
+							foreach ($separated as $value) $normalized[] = mb_ucfirst($value);
 
-						if (isset($delivery['company'])) {
-							// Initialized delivery company
+							// Deinitializing unnecessary variables
+							unset($separated, $value);
 
 							// Declaring of universalized locations buffer
 							$locations = null;
@@ -185,7 +194,7 @@ final class delivery extends core
 								}
 
 								// Deinitializing of response data from CDEK
-								unset($cdek, $location);
+								unset($cdek);
 							}
 
 							if (!empty($locations)) {
@@ -197,13 +206,13 @@ final class delivery extends core
 								// Initialization of 80% of received input values (required minimum to match location characteristics)
 								$minimum = count($normalized) * 80 / 100;
 
-								foreach ($locations as $location) {
+								foreach ($locations as $_location) {
 									// Iterating over locations
 
 									// Declaring variable with score of matching input values with location characteristics
 									$score = 0;
 
-									foreach ([$location['name'], ...$location['structure']] as $value) {
+									foreach ([$_location['name'], ...$_location['structure']] as $value) {
 										// Iterating over location characteristics
 
 										foreach ($normalized as $_value) {
@@ -219,7 +228,7 @@ final class delivery extends core
 													// More than $minimum matches found
 
 													// Writing to buffer of validated locations by normalized parts of location name
-													$buffer[] = $location;
+													$buffer[] = $_location;
 
 													// Exit from iteration of location characteristics
 													break 2;
@@ -236,7 +245,7 @@ final class delivery extends core
 								}
 
 								// Deinitializing unnecessary variables
-								unset($location);
+								unset($_location);
 
 								// Reinitializating locations from buffer of validated locations by input values
 								$locations = $buffer;
@@ -253,10 +262,13 @@ final class delivery extends core
 									// Deinitializing unnecessary variables
 									unset($name);
 
+									// Writing result value of location name
+									$result = $locations[0]['name'] . ', ' . implode(', ', array_reverse($locations[0]['structure']));
+
 									// Writing location data to the buffer of the response
 									/* $response['location'] = [
 											'identifier' => $locations[0]['identifier'],
-											'input' => $result = $locations[0]['name'] . ', ' . implode(', ', array_reverse($locations[0]['structure']))
+											'input' => $result
 										]; */
 
 									if (!empty($delivery[$delivery['company']]['street'])) {
@@ -264,6 +276,34 @@ final class delivery extends core
 
 										// Writing readiness status to the buffer of the response
 										$response['ready'] = true;
+
+										// Writing to the session buffer
+										$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [$name = 'delivery_' . $delivery['company'] . '_ready' => true]));
+
+										// Writing to the account buffer
+										$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [$name => true]));
+
+										// Deinitializing unnecessary variables
+										unset($name);
+									} else {
+										// Not initialized required parameters
+
+										// Writing to the session buffer
+										$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [
+											$name_ready = 'delivery_' . $delivery['company'] . '_ready' => false,
+											$name_cost = 'delivery_' . $delivery['company'] . '_cost' => null,
+											$name_days = 'delivery_' . $delivery['company'] . '_days' => null
+										]));
+
+										// Writing to the account buffer
+										$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [
+											$name_ready => false,
+											$name_cost => null,
+											$name_days => null
+										]));
+
+										// Deinitializing unnecessary variables
+										unset($name_ready, $name_cost, $name_days);
 									}
 
 									// Writing status of execution to the buffer of the response
@@ -275,29 +315,39 @@ final class delivery extends core
 									// Not identificated location
 
 									// Writing to the session buffer
-									$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [$name = 'delivery_' . $delivery['company'] . '_location' => null]));
+									$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [
+										$name_location = 'delivery_' . $delivery['company'] . '_location' => null,
+										$name_ready = 'delivery_' . $delivery['company'] . '_ready' => false,
+										$name_cost = 'delivery_' . $delivery['company'] . '_cost' => null,
+										$name_days = 'delivery_' . $delivery['company'] . '_days' => null
+									]));
 
 									// Writing to the account buffer
-									$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [$name => null]));
+									$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [
+										$name_location => null,
+										$name_ready => false,
+										$name_cost => null,
+										$name_days => null
+									]));
 
 									// Deinitializing unnecessary variables
-									unset($name);
+									unset($name_location, $name_ready, $name_cost, $name_days);
 
 									// Declaring buffer of data to send
 									$buffer = [];
 
-									foreach ($locations as $location) {
+									foreach ($locations as $_location) {
 										// Iterating over locations
 
 										// Writing to buffer of data to send
 										$buffer[] = [
-											'name' => $location['name'],
-											'structure' => $location['structure']
+											'name' => $_location['name'],
+											'structure' => $_location['structure']
 										];
 									}
 
 									// Deinitializing unnecessary variables
-									unset($location);
+									unset($_location);
 
 									// Writing locations into response buffer
 									$response['locations'] = $buffer;
@@ -309,33 +359,66 @@ final class delivery extends core
 								// Not found locations
 
 								// Writing to the session buffer
-								$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [$name = 'delivery_' . $delivery['company'] . '_location' => null]));
+								$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [
+									$name_location = 'delivery_' . $delivery['company'] . '_location' => null,
+									$name_ready = 'delivery_' . $delivery['company'] . '_ready' => false,
+									$name_cost = 'delivery_' . $delivery['company'] . '_cost' => null,
+									$name_days = 'delivery_' . $delivery['company'] . '_days' => null
+								]));
 
 								// Writing to the account buffer
-								$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [$name => null]));
+								$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [
+									$name_location => null,
+									$name_ready => false,
+									$name_cost => null,
+									$name_days => null
+								]));
 
 								// Deinitializing unnecessary variables
-								unset($name);
+								unset($name_location, $name_ready, $name_cost, $name_days);
 							}
 
 							// Deinitializing unnecessary variables
-							unset($locations);
-						}
+							unset($normalized);
+						} else {
+							// Value is empty after separating 
 
-						// Deinitializing unnecessary variables
-						unset($delivery, $normalized);
+							// Not initialized required parameters
+
+							// Writing to the session buffer
+							$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [
+								$name_location = 'delivery_' . $delivery['company'] . '_location' => null,
+								$name_ready = 'delivery_' . $delivery['company'] . '_ready' => false,
+								$name_cost = 'delivery_' . $delivery['company'] . '_cost' => null,
+								$name_days = 'delivery_' . $delivery['company'] . '_days' => null
+							]));
+
+							// Writing to the account buffer
+							$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [
+								$name_location => null,
+								$name_ready => false,
+								$name_cost => null,
+								$name_days => null
+							]));
+
+							// Deinitializing unnecessary variables
+							unset($name_location, $name_ready, $name_cost, $name_days);
+						}
 					}
 
+					// Deinitializing unnecessary variables
+					unset($delivery, $normalized);
+
 					// Writing to the session buffer
-					$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: ['delivery_location' => $result]));
+					$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: ['delivery_location' => empty($result) ? $location : $result]));
 
 					// Writing to the account buffer
-					$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: ['delivery_location' => $result]));
+					$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: ['delivery_location' => empty($result) ? $location : $result]));
 
 					// Deinitializing unnecessary variables
-					unset($result, $normalized);
+					unset($location, $result, $normalized);
 				}
-			} else if (!empty($street)) {
+			} else if (isset($street)) {
 				// Received sreet
 
 				if (mb_strlen($street) < 129) {
@@ -365,11 +448,39 @@ final class delivery extends core
 						// Deinitializing unnecessary variables
 						unset($name);
 
-						if (!empty($delivery[$delivery['company']]['location'])) {
+						if (!empty($normalized) && !empty($delivery[$delivery['company']]['location'])) {
 							// Required parameters initialized: company, location, street
 
 							// Writing readiness status to the buffer of the response
 							$response['ready'] = true;
+
+							// Writing to the session buffer
+							$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [$name = 'delivery_' . $delivery['company'] . '_ready' => true]));
+
+							// Writing to the account buffer
+							$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [$name => true]));
+
+							// Deinitializing unnecessary variables
+							unset($name);
+						} else {
+							// Not initialized required parameters
+
+							// Writing to the session buffer
+							$this->core->request(new request('PATCH', '/session/write', protocol::http_3, parameters: [
+								$name_ready = 'delivery_' . $delivery['company'] . '_ready' => false,
+								$name_cost = 'delivery_' . $delivery['company'] . '_cost' => null,
+								$name_days = 'delivery_' . $delivery['company'] . '_days' => null
+							]));
+
+							// Writing to the account buffer
+							$this->core->request(new request('PATCH', '/account/write', protocol::http_3, parameters: [
+								$name_ready => false,
+								$name_cost => null,
+								$name_days => null
+							]));
+
+							// Deinitializing unnecessary variables
+							unset($name_ready, $name_cost, $name_days);
 						}
 
 						// Writing status of execution to the buffer of the response
diff --git a/mirzaev/arming_bot/system/controllers/order.php b/mirzaev/arming_bot/system/controllers/order.php
new file mode 100755
index 0000000..d955fd5
--- /dev/null
+++ b/mirzaev/arming_bot/system/controllers/order.php
@@ -0,0 +1,477 @@
+<?php
+
+declare(strict_types=1);
+
+namespace mirzaev\arming_bot\controllers;
+
+// Files of the project
+use mirzaev\arming_bot\controllers\core,
+	mirzaev\arming_bot\models\cart as model,
+	mirzaev\arming_bot\models\product,
+	mirzaev\arming_bot\models\menu,
+	mirzaev\arming_bot\models\enumerations\language;
+
+// Framework for PHP
+use mirzaev\minimal\http\enumerations\content,
+	mirzaev\minimal\http\enumerations\status;
+
+/**
+ * Controller of cart
+ *
+ * @package mirzaev\arming_bot\controllers
+ *
+ * @param model|null $cart Instance of the cart
+ * @param array $errors Registry of errors
+ *
+ * @method null index() HTML-document with shopping cart and delivery settings
+ * @method null product(int|string|null $identifier, ?string $type, int|string|null $amount) Change status of the product in the cart
+ * @method null summary() Information about products in the cart
+ *
+ * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
+ * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
+ */
+final class cart extends core
+{
+	/**
+	 * Cart
+	 *
+	 * @var model|null $cart Instance of the cart
+	 */
+	protected readonly ?model $cart;
+
+	/**
+	 * Errors
+	 *
+	 * @var array $errors Registry of errors
+	 */
+	protected array $errors = [
+		'session' => [],
+		'account' => [],
+		'menu' => [],
+		'cart' => []
+	];
+
+	/**
+	 * Index
+	 *
+	 * HTML-document with shopping cart and delivery settings
+	 *
+	 * @param null
+	 */
+	public function index(): null
+	{
+		if (isset($menu)) {
+			// 
+
+		} else {
+			// Not received ... menu
+
+			// Search for filters and write to the buffer of global variables of view templater
+			$this->view->menu = menu::_read(
+				return: 'MERGE(d, { name: d.name.@language })',
+				sort: 'd.style.order ASC, d.created DESC, d._key DESC',
+				amount: 4,
+				parameters: ['language' => $this->language->name],
+				errors: $this->errors['menu']
+			);
+		}
+
+		// Initializing the cart
+		$this->cart ??= $this->account?->cart() ?? $this->session?->cart();
+
+		// Initializing the cart data
+		$this->view->cart = [
+			'summary' => $this->cart?->summary(currency: $this->currency),
+			'products' => $this->cart?->products(language: $this->language, currency: $this->currency)
+		];
+
+		// Initializing types of avaiabld deliveries
+		$this->view->deliveries = [
+			'cdek' => [
+				'label' => 'CDEK'
+			]
+		];
+
+		if (str_contains($this->request->headers['accept'], content::json->value)) {
+			// Request for JSON response
+
+			// Sending response
+			$this->response
+				->start()
+				->clean()
+				->sse()
+				->json([
+					'main' => '',
+					'errors' => $this->errors
+				])
+				->validate($this->request)
+				?->body()
+				->end();
+		} else if (str_contains($this->request->headers['accept'], content::any->value)) {
+			// Request for any response
+
+			// Render page
+			$page = $this->view->render('cart/page.html', [
+				'h2' => $this->language === language::ru ? 'Корзина' : 'Cart' // @see https://git.mirzaev.sexy/mirzaev/huesos/issues/1
+			]);
+
+			// Sending response
+			$this->response
+				->start()
+				->clean()
+				->sse()
+				->write($page)
+				->validate($this->request)
+				?->body()
+				->end();
+
+			// Deinitializing rendered page
+			unset($page);
+		}
+
+		// Exit (success/fail)
+		return null;
+	}
+
+	/**
+	 * Product
+	 *
+	 * Change status of the product in the cart
+	 *
+	 * @param int|string|null $identifier Product identifier
+	 * @param string|null $type Action type (toggle, write, delete, set)
+	 * @param int|string|null $amount Amount of actions with the product (for write, delete and differently used by set)
+	 *
+	 * @return null
+	 *
+	 * @todo
+	 * 1. Add a limit on adding products to the cart based on the number of products in stock
+	 */
+	public function product(
+		int|string|null $identifier = null,
+		?string $type = null,
+		int|string|null $amount = null
+	): null {
+		if (str_contains($this->request->headers['accept'], content::json->value)) {
+			// Request for JSON response
+
+			// Declaring buffer with amount of the product in the cart
+			$cart = 0;
+
+			// Validating @todo add throwing errors
+			if (isset($identifier) && preg_match('/[\d]+/', urldecode($identifier), $matches)) $identifier = (int) $matches[0];
+			else unset($identifier);
+
+			if (isset($identifier)) {
+				// Received and validated identfier of the product
+
+				// Search for the product
+				$product = product::read(
+					filter: "d.identifier == @identifier && d.deleted != true && d.hidden != true",
+					sort: 'd.created DESC',
+					amount: 1,
+					parameters: ['identifier' => $identifier],
+					errors: $this->errors['cart']
+				);
+
+				if ($product instanceof product) {
+					// Initialized the product
+
+					// Initializing the cart
+					$this->cart ??= $this->account?->cart() ?? $this->session?->cart();
+
+					if ($this->cart instanceof model) {
+						// Initialized the cart
+
+						// Initializing buffer with amount of the product in the cart 
+						$cart = $this->cart->count(product: $product, limit: 100, errors: $this->errors['cart']) ?? 0;
+
+						if ($this->cart instanceof model) {
+							// Initialized the cart
+
+							// Validating @todo add throwing errors
+							if (isset($type) && preg_match('/[\w]+/', urldecode($type), $matches)) $type = $matches[0];
+							else unset($type);
+
+							if (isset($type)) {
+								// Received and validated type of action with the product
+
+								if ($type === 'toggle') {
+									// Write the product to the cart if is not in the cart and vice versa
+
+									if ($cart > 0) {
+										// The cart has the product
+
+										// Deleting the product from the cart
+										$this->cart->delete(product: $product, amount: $cart, errors: $this->errors['cart']);
+
+										// Reinitializing the buffer with amount of the product in the cart
+										$cart = 0;
+									} else {
+										// The cart has no the product
+
+										// Writing the product to the cart
+										$this->cart->write(product: $product, amount: 1, errors: $this->errors['cart']);
+
+										// Reinitializing the buffer with amount of the product in the cart
+										$cart = 1;
+									}
+								} else {
+									// Received not the "toggle" command
+
+									// Validating @todo add throwing errors
+									if (isset($amount) && preg_match('/[\d]+/', urldecode($amount), $matches)) $amount = (int) $matches[0];
+									else unset($amount);
+
+									if (isset($amount)) {
+										// Received and validated amount parameter for action with the product
+
+										if ($type === 'write') {
+											// Increase amount of the product in the cart
+
+											if ($cart + $amount < 101) {
+												// Validated amount to wrting
+
+												// Writing the product to the cart
+												$this->cart->write(product: $product, amount: $amount, errors: $this->errors['cart']);
+
+												// Reinitialize the buffer with amount of the product in the cart
+												$cart += $amount;
+											}
+										} else if ($type === 'delete') {
+											// Decrease amount of the product in the cart
+
+											if ($cart - $amount > -1) {
+												// Validated amount to deleting
+
+												// Deleting the product from the cart
+												$this->cart->delete(product: $product, amount: $amount, errors: $this->errors['cart']);
+
+												// Reinitialize the buffer with amount of the product in the cart
+												$cart -= $amount;
+											}
+										} else if ($type === 'set') {
+											// Set amount of the product in the cart
+
+											if ($amount > -1 && $amount < 101) {
+												// Validated amount to setting
+
+												if ($amount > $cart) {
+													// Requested amount more than actual amount of the product in the cart
+
+													// Writing the product to the cart
+													$this->cart->write(product: $product, amount: $amount - $cart, errors: $this->errors['cart']);
+												} else {
+													// Requested amount less than actual amount of the product in the cart
+
+													// Deleting the product from the cart
+													$this->cart->delete(product: $product, amount: $cart - $amount, errors: $this->errors['cart']);
+												}
+
+												// Reinitializing the buffer with amount of the product in the cart
+												$cart = $amount;
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+
+			// Sending response
+			$this->response
+				->start()
+				->clean()
+				->sse()
+				->json([
+					'amount' => $cart, // $cart does not store a real value, but is calculated without a repeated request to ArangoDB
+					'errors' => $this->errors
+				])
+				->validate($this->request)
+				?->body()
+				->end();
+
+			// Deinitializing buffer with amount of the product in the cart 
+			unset($cart);
+		}
+
+		// Exit (success/fail)
+		return null;
+	}
+
+	/**
+	 * Summary
+	 *
+	 * Information about products in the cart
+	 *
+	 * @return null
+	 */
+	public function summary(): null
+	{
+		if (str_contains($this->request->headers['accept'], content::json->value)) {
+			// Request for JSON response
+
+			// Initializing the cart
+			$this->cart ??= $this->account?->cart() ?? $this->session?->cart();
+
+			if ($this->cart instanceof model) {
+				// Initialized the cart
+
+				// Initializing summary data of the cart
+				$summary = $this->cart?->summary(currency: $this->currency, errors: $this->errors['cart']);
+
+				// Sending response
+				$this->response
+					->start()
+					->clean()
+					->sse()
+					->json([
+						'cost' => $summary['cost'] ?? 0,
+						'amount' => $summary['amount'] ?? 0,
+						'errors' => $this->errors
+					])
+					->validate($this->request)
+					?->body()
+					->end();
+
+				// Deinitializing summary data of the cart 
+				unset($summary);
+			}
+		}
+
+		// Exit (success/fail)
+		return null;
+	}
+
+	/**
+	 * Share
+	 *
+	 * Share the cart
+	 *
+	 * @return null
+	 */
+	public function share(): null
+	{
+		if (str_contains($this->request->headers['accept'], content::json->value)) {
+			// Request for JSON response
+
+			// Initializing the cart
+			$this->cart ??= $this->account?->cart() ?? $this->session?->cart();
+
+			if ($this->cart instanceof model) {
+				// Initialized the cart
+
+				if ($share = $this->cart->share ?? $this->cart->share()) {
+					// The cart is available for sharing
+
+					// Sending response
+					$this->response
+						->start()
+						->clean()
+						->sse()
+						->json([
+							'share' => $share,
+							'errors' => $this->errors
+						])
+						->validate($this->request)
+						?->body()
+						->end();
+				}
+
+				// Deinitializing unnecessary variables
+				unset($hash);
+			}
+		}
+
+		// Exit (success/fail)
+		return null;
+	}
+
+	/**
+	 * Pay
+	 *
+	 * Pay for the cart
+	 *
+	 * @return null
+	 */
+	public function pay(): null
+	{
+		if (str_contains($this->request->headers['accept'], content::json->value)) {
+			// Request for JSON response
+
+			// Initializing the cart
+			$this->cart ??= $this->account?->cart() ?? $this->session?->cart();
+
+			if ($this->cart instanceof model) {
+				// Initialized the cart
+
+				if ($share = $this->cart->share ?? $this->cart->share()) {
+					// The cart is available for sharing
+
+					// Sending response
+					$this->response
+						->start()
+						->clean()
+						->sse()
+						->json([
+							'share' => $share,
+							'errors' => $this->errors
+						])
+						->validate($this->request)
+						?->body()
+						->end();
+				}
+
+				// Deinitializing unnecessary variables
+				unset($hash);
+			}
+		}
+
+		// Exit (success/fail)
+		return null;
+	}
+
+	/**
+	 * Robokassa
+	 *
+	 * HTML-document with robokassa iframe 
+	 *
+	 * @param null
+	 *
+	 * @todo THIS MUST BE A PAYMENT OF ORDER IN THE FUTURE, NOT CART
+	 */
+	public function robokassa(): null
+	{
+		// Initializing the cart
+		$this->cart ??= $this->account?->cart() ?? $this->session?->cart();
+
+		// Initializing the cart data
+		$this->view->cart = $this->cart;
+		$this->view->summary = $this->cart?->summary(currency: $this->currency);
+
+		if (str_contains($this->request->headers['accept'], content::any->value)) {
+			// Request for any response
+
+			// Render page
+			$page = $this->view->render('iframes/robokassa.html');
+
+			// Sending response
+			$this->response
+				->start()
+				->clean()
+				->sse()
+				->write($page)
+				->validate($this->request)
+				?->body()
+				->end();
+
+			// Deinitializing rendered page
+			unset($page);
+		}
+
+		// Exit (success/fail)
+		return null;
+	}
+}
diff --git a/mirzaev/arming_bot/system/public/js/modules/delivery.mjs b/mirzaev/arming_bot/system/public/js/modules/delivery.mjs
index 9dca1d3..5d29a3e 100755
--- a/mirzaev/arming_bot/system/public/js/modules/delivery.mjs
+++ b/mirzaev/arming_bot/system/public/js/modules/delivery.mjs
@@ -49,6 +49,9 @@ export default class delivery {
 				order.setAttribute("disabled", true);
 			}
 
+			// Initializing the delivery data request <section> element
+			const request = document.getElementById("delivery_request");
+
 			/**
 			 * @name Resolved
 			 *
@@ -86,10 +89,26 @@ export default class delivery {
 							order.removeAttribute("disabled");
 						}
 
-						// Calculating delivery
-						this.calculate();
+						if (request instanceof HTMLElement) {
+							// Initializeg the delivery data request <section> element
+
+							// Hiding the delivery data request <section> element
+							request.classList.add("deleted");
+						}
+					} else {
+						// Not received readiness status or readiness status is false
+
+						if (request instanceof HTMLElement) {
+							// Initializeg the delivery data request <section> element
+
+							// Hiding the delivery data request <section> element
+							request.classList.remove("deleted");
+						}
 					}
 
+					// Calculating delivery
+					this.calculate();
+
 					if (json.company) {
 						// Received company property
 
@@ -181,6 +200,9 @@ export default class delivery {
 				order.setAttribute("disabled", true);
 			}
 
+			// Initializing the delivery data request <section> element
+			const request = document.getElementById("delivery_request");
+
 			/**
 			 * @name Resolved
 			 *
@@ -215,10 +237,26 @@ export default class delivery {
 							order.removeAttribute("disabled");
 						}
 
-						// Calculating delivery
-						this.calculate();
+						if (request instanceof HTMLElement) {
+							// Initializeg the delivery data request <section> element
+
+							// Hiding the delivery data request <section> element
+							request.classList.add("deleted");
+						}
+					} else {
+						// Not received readiness status or readiness status is false
+
+						if (request instanceof HTMLElement) {
+							// Initializeg the delivery data request <section> element
+
+							// Hiding the delivery data request <section> element
+							request.classList.remove("deleted");
+						}
 					}
 
+					// Calculating delivery
+					this.calculate();
+
 					if (json.location) {
 						// Received location
 
@@ -389,6 +427,9 @@ export default class delivery {
 				order.setAttribute("disabled", true);
 			}
 
+			// Initializing the delivery data request <section> element
+			const request = document.getElementById("delivery_request");
+
 			/**
 			 * @name Resolved
 			 *
@@ -423,16 +464,32 @@ export default class delivery {
 							order.removeAttribute("disabled");
 						}
 
+						if (request instanceof HTMLElement) {
+							// Initializeg the delivery data request <section> element
+
+							// Hiding the delivery data request <section> element
+							request.classList.add("deleted");
+						}
+
 						core.modules.connect("telegram").then(() => {
 							// Imported the telegram module
 
 							core.telegram.api.HapticFeedback.notificationOccurred("success");
 						});
+					} else {
+						// Not received readiness status or readiness status is false
 
-						// Calculating delivery
-						this.calculate();
+						if (request instanceof HTMLElement) {
+							// Initializeg the delivery data request <section> element
+
+							// Hiding the delivery data request <section> element
+							request.classList.remove("deleted");
+						}
 					}
 
+					// Calculating delivery
+					this.calculate();
+
 					if (json.street) {
 						// Received street property
 
@@ -555,7 +612,7 @@ core.modules.connect("damper").then(() => {
 			 */
 			damper: core.damper(
 				(...variables) => delivery.write.system(...variables),
-				1200,
+				400,
 				3,
 			),
 		},
@@ -576,7 +633,7 @@ core.modules.connect("damper").then(() => {
 			 */
 			damper: core.damper(
 				(...variables) => delivery.calculate.system(...variables),
-				300,
+				200,
 			),
 		},
 	);
diff --git a/mirzaev/arming_bot/system/public/themes/default/css/animations.css b/mirzaev/arming_bot/system/public/themes/default/css/animations.css
new file mode 100644
index 0000000..7942108
--- /dev/null
+++ b/mirzaev/arming_bot/system/public/themes/default/css/animations.css
@@ -0,0 +1,20 @@
+@charset "UTF-8";
+
+@keyframes slide-down-revert {
+	0% {
+		transform: translate(0, 0%);
+		clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
+	}
+
+	100% {
+		transform: translate(0, -100%);
+		clip-path: polygon(0% 100%, 100% 100%, 100% 200%, 0% 200%);
+	}
+}
+
+.slide.down.revert.animated {
+	animation-duration: var(--animation-duration, 0.2s);
+	animation-name: slide-down-revert;
+	animation-fill-mode: forwards;
+	animation-timing-function: cubic-bezier(1, 0, 1, 1);
+}
diff --git a/mirzaev/arming_bot/system/public/themes/default/css/cart.css b/mirzaev/arming_bot/system/public/themes/default/css/cart.css
index 029dd0d..d68f3ea 100755
--- a/mirzaev/arming_bot/system/public/themes/default/css/cart.css
+++ b/mirzaev/arming_bot/system/public/themes/default/css/cart.css
@@ -1,15 +1,18 @@
 @charset "UTF-8";
 
-main>section:is(#summary, #products, #delivery) {
+main>section:is(#summary, #products, #delivery, #delivery_request) {
 	width: var(--width);
 	gap: var(--gap);
 	overflow: hidden;
 }
 
+main>section:is(#summary, #delivery) {
+	background-color: var(--tg-theme-section-bg-color);
+}
+
 main>section#delivery>div.column {
 	padding: 1rem;
 	gap: var(--gap);
-	background-color: var(--tg-theme-section-bg-color);
 }
 
 main>section#delivery>div.column>div#deliveries>input {
@@ -70,16 +73,41 @@ main:has(section#summary.disabled:hover)>section#delivery>div {
 	filter: brightness(1.2);
 }
 
+section#delivery>div.column>div#deliveries>input:not(:checked)+section#delivery_request {
+	display: inline-flex;
+}
+
+main>section#delivery_request>p:only-of-type {
+	margin: unset;
+	width: 100%;
+	height: 1rem;
+	display: inline-flex;
+	align-items: center;
+	padding: 0 1rem;
+}
+
+main>section#delivery_request>p:only-of-type>i.icon {
+	/* color: var(--tg-theme-accent-text-color); */
+	color: var(--tg-theme-text-color);
+}
+
+main>section#delivery_request>p:only-of-type>span:only-of-type {
+	margin: 0 auto;
+	/* color: var(--tg-theme-accent-text-color); */
+	color: var(--tg-theme-text-color);
+	color: var(--tg-theme-hint-color);
+}
+
 main>section#summary>div {
 	container-type: inline-size;
 	container-name: summary;
+	height: 2rem;
 	padding-left: 1rem;
 	align-items: center;
 	gap: 0.4rem;
 	overflow: hidden;
 	pointer-events: auto;
 	border-radius: 1.375rem;
-	background-color: var(--tg-theme-section-bg-color);
 }
 
 main>section#summary>div>span {
@@ -104,14 +132,15 @@ main>section#summary>div>button#order * {
 main>section#summary.disabled,
 main>section#summary>div:has(button#order:disabled),
 main:not(:has(section#delivery>div.column>div#deliveries>input:checked))>section#summary>div:has(button#order:enabled) {
-	cursor: not-allowed;
+	/* cursor: not-allowed; */
 }
 
 main>section#summary.disabled,
 main>section#summary>div>button#order:disabled,
 main:not(:has(section#delivery>div.column>div#deliveries>input:checked))>section#summary>div>button#order:enabled {
-	pointer-events: none;
-	filter: grayscale(1);
+	/* pointer-events: none;
+	filter: grayscale(1); */
+	display: none;
 }
 
 main>section#products>article.product {
diff --git a/mirzaev/arming_bot/system/public/themes/default/css/icons/pin.css b/mirzaev/arming_bot/system/public/themes/default/css/icons/pin.css
new file mode 100755
index 0000000..2f5a0f6
--- /dev/null
+++ b/mirzaev/arming_bot/system/public/themes/default/css/icons/pin.css
@@ -0,0 +1,38 @@
+@charset "UTF-8";
+
+i.icon.pin {
+	box-sizing: border-box;
+	position: relative;
+	margin-top: -4px;
+	width: 18px;
+	height: 18px;
+	display: block;
+	border: 2px solid;
+	border-radius: 100% 100% 0 100%;
+	transform: rotate(45deg);
+}
+
+i.icon.pin.small {
+	width: 15px;
+	height: 15px;
+}
+
+i.icon.pin::before {
+	content: "";
+	position: absolute;
+	left: 3px;
+	top: 3px;
+	width: 8px;
+	height: 8px;
+	display: block;
+	box-sizing: border-box;
+	border: 2px solid;
+	border-radius: 40px;
+}
+
+i.icon.pin.small::before {
+	top: 2px;
+	left: 2px;
+	width: 7px;
+	height: 7px;
+}
diff --git a/mirzaev/arming_bot/system/public/themes/default/css/main.css b/mirzaev/arming_bot/system/public/themes/default/css/main.css
index 0dd3430..622be88 100755
--- a/mirzaev/arming_bot/system/public/themes/default/css/main.css
+++ b/mirzaev/arming_bot/system/public/themes/default/css/main.css
@@ -66,10 +66,14 @@ main {
 	display: flex;
 	flex-direction: column;
 	align-items: center;
-	gap: 26px;
+	gap: calc(var(--gap) + 10px);
 	transition: 0s;
 }
 
+main > *.merged {
+	margin-top: -14px;
+}
+
 main>*[data-section] {
 	width: var(--width);
 }
@@ -261,6 +265,10 @@ input {
 	border-radius: 0.75rem;
 }
 
+.rounded.smoother {
+	border-radius: 1.375rem;
+}
+
 .row {
 	display: flex;
 	flex-direction: row;
@@ -284,6 +292,10 @@ input {
 	color: var(--tg-theme-hint-color);
 }
 
+.deleted {
+	display: none;
+}
+
 .unselectable {
 	-webkit-touch-callout: none;
 	-webkit-user-select: none;
diff --git a/mirzaev/arming_bot/system/views/themes/default/cart/elements/delivery.html b/mirzaev/arming_bot/system/views/themes/default/cart/elements/delivery.html
index e4d60b6..b225c7b 100755
--- a/mirzaev/arming_bot/system/views/themes/default/cart/elements/delivery.html
+++ b/mirzaev/arming_bot/system/views/themes/default/cart/elements/delivery.html
@@ -14,7 +14,12 @@
 		</div>
 		<div id="address" class="row">
 			<input id="location" class="identifier{% if session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].location.identifier %} success{% endif %}" placeholder="{{ language.name == 'ru' ? 'Город' : 'location' }}"
-				value="{{ session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company] ? session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].location.name ~ ', ' ~ (session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].location.structure|reverse|join(', ')) : (session.buffer.delivery.location ?? account.buffer.delivery.location) }}"
+				value="{{ 
+				session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].location.name 
+					? session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].location.name 
+							~ ', ' 
+							~ session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].location.structure|reverse|join(', ')
+					: (session.buffer.delivery.location ?? account.buffer.delivery.location) }}"
 				onkeyup="core.delivery.location(this)" oninput="core.delivery.location(this)" tabindex="6" />
 			<input id="street"{% if session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].street %} class="success"{% endif %} placeholder="{{ language.name == 'ru' ? 'Улица' : 'Street' }}"
 				value="{{ session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company] ? session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].street : (session.buffer.delivery.street ?? session.buffer.delivery.street) }}"
@@ -22,4 +27,11 @@
 		</div>
 	</div>
 </section>
+<section id="delivery_request" class="rounded row unselectable merged {% if session.buffer.delivery[account.buffer.delivery.company ??
+			session.buffer.delivery.company].ready %}deleted{% endif %}">
+	<p>
+		<!-- <i class="icon pin small"></i> -->
+		<span>{{ language.name == 'ru' ? 'Укажите данные для доставки' : 'Enter delivery information' }}</span>
+	</p>
+</section>
 {% endif %}
diff --git a/mirzaev/arming_bot/system/views/themes/default/cart/elements/summary.html b/mirzaev/arming_bot/system/views/themes/default/cart/elements/summary.html
index 3f1a5c0..10bacdc 100755
--- a/mirzaev/arming_bot/system/views/themes/default/cart/elements/summary.html
+++ b/mirzaev/arming_bot/system/views/themes/default/cart/elements/summary.html
@@ -1,6 +1,6 @@
 {% if cart.products is not empty %}
 <section id="summary"
-	class="column unselectable">
+	class="rounded column unselectable">
 	<div class="row">
 		<span id="amount">{{ cart.summary.amount ?? 0 }}</span>
 		<span>{{ language.name == "ru" ? "товаров на сумму" : "products worth" }}</span>
@@ -12,8 +12,7 @@
 		<span id="shipping" class="delivery days hint">{{ session.buffer.delivery[account.buffer.delivery.company ?? session.buffer.delivery.company].days }}</span>
 		{% endif %}
 		<button id="order" onclick="core.cart.share(this)" {% if session.buffer.delivery[account.buffer.delivery.company ??
-			session.buffer.delivery.company].location is empty or session.buffer.delivery[account.buffer.delivery.company ??
-			session.buffer.delivery.company].street is empty %} disabled="true" {% endif %}
+			session.buffer.delivery.company].ready == false %} disabled="true" {% endif %}
 			title="{{ language.name == 'ru' ? 'Оформить заказ' : 'Place an order' }}"><i class="icon arrow"></i></button>
 	</div>
 </section>
diff --git a/mirzaev/arming_bot/system/views/themes/default/cart/page.html b/mirzaev/arming_bot/system/views/themes/default/cart/page.html
index 6dc994a..0b496a0 100755
--- a/mirzaev/arming_bot/system/views/themes/default/cart/page.html
+++ b/mirzaev/arming_bot/system/views/themes/default/cart/page.html
@@ -9,6 +9,7 @@
 <link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/plus.css" />
 <link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/minus.css" />
 <link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/arrow.css" />
+<link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/pin.css" />
 {% endblock %}
 
 {% block main %}
diff --git a/mirzaev/arming_bot/system/views/themes/default/head.html b/mirzaev/arming_bot/system/views/themes/default/head.html
index 05e047b..8920a9b 100755
--- a/mirzaev/arming_bot/system/views/themes/default/head.html
+++ b/mirzaev/arming_bot/system/views/themes/default/head.html
@@ -24,4 +24,5 @@
 		--days-short: "{{ language.name == 'ru' ? 'дн' : 'd' }}";
 	}
 </style>
+<link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/animations.css" />
 {% endblock %}