Implement emoji-only message styling

frontend/src/pages/chat/css/_message.scss

@@ -20,6 +20,8 @@
 }
 
 .message {
+    $status-indicator-size: 16px;
+
     margin-bottom: 1rem;
     max-width: 70%;
     position: relative;
@@ -171,69 +173,55 @@
             .message-status-indicator {
                 display: flex;
                 align-items: center;
-                width: 16px;
+                width: $status-indicator-size;
-                height: 16px;
+                height: $status-indicator-size;
 
-                .error-icon {
+                .error-icon, .success-icon {
-                    color: #f44336;
+                    font-size: $status-indicator-size;
-                    font-size: 16px;
+                    width: $status-indicator-size;
-                }
+                    height: $status-indicator-size;
-
-                .success-icon {
-                    color: #4caf50;
-                    font-size: 16px;
                 }
 
                 mdui-circular-progress {
-                    width: 16px;
+                    width: $status-indicator-size;
-                    height: 16px;
+                    height: $status-indicator-size;
                 }
             }
         }
     }
 
-    &.received .message-inner {
+    &.received {
-        background: $color-dark-surface-container;
+        .message-inner {
-        color: $color-dark-on-surface;
+            background: $color-dark-surface-container;
-        border-top-left-radius: 5px;
+            color: $color-dark-on-surface;
-        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+            border-top-left-radius: 5px;
-        border: 1px solid rgba($color-dark-outline-variant, 0.4);
+            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
-        position: relative;
+            border: 1px solid rgba($color-dark-outline-variant, 0.4);
-        overflow: hidden;
-        
-        &::before {
-            content: '';
-            position: absolute;
-            top: 0;
-            left: 0;
-            right: 0;
-            bottom: 0;
-            background: linear-gradient(135deg, rgba($color-dark-primary, 0.05), rgba($color-dark-tertiary, 0.03));
-            pointer-events: none;
-            z-index: 0;
-        }
-        
-        > * {
             position: relative;
-            z-index: 1;
+            overflow: hidden;
-        }
+            
-    }
+            &::before {
-    
+                content: '';
-    &.received .message-time {
+                position: absolute;
-        color: $color-dark-on-surface-variant;
+                top: 0;
-        font-weight: 500;
+                left: 0;
-        
+                right: 0;
-        .message-status-indicator {
+                bottom: 0;
-            .success-icon {
+                background: linear-gradient(135deg, rgba($color-dark-primary, 0.05), rgba($color-dark-tertiary, 0.03));
-                color: $color-dark-on-surface-variant;
+                pointer-events: none;
-                filter: brightness(1.1);
+                z-index: 0;
             }
             
-            .error-icon {
+            > * {
-                color: #ff6b6b;
+                position: relative;
-                filter: brightness(1.1);
+                z-index: 1;
             }
         }
+        
+        .message-time {
+            color: $color-dark-on-surface-variant;
+            font-weight: 500;
+        }
     }
 
     &.sent {
@@ -267,26 +255,76 @@
             }
         }
 
-        .message-time {
+        &.emoji-message {
-            color: $color-dark-on-primary;
+            .message-inner {
-            font-weight: 500;
+                align-items: flex-end;
-            
+                display: flex;
-            .message-status-indicator {
+                flex-direction: column;
-                .success-icon {
+
-                    color: $color-dark-on-primary;
+                .message-content {
-                    filter: brightness(1.2);
+                    &.emoji-content {
-                }
+                        text-align: right;
-                
+                    }
-                .error-icon {
-                    color: #ff6b6b;
-                    filter: brightness(1.2);
                 }
             }
         }
+
+        .message-time {
+            color: $color-dark-on-primary;
+            font-weight: 500;
+        }
+    }
+
+    // Emoji message styles
+    &.emoji-message {
+        .message-inner {
+            background: transparent;
+            border: none;
+            box-shadow: none;
+            padding: 0;
+            border-radius: 0;
+
+            &::before {
+                display: none;
+            }
+        }
+
+        .message-content {
+            margin: 0;
+            padding: 0;
+            text-align: right;
+
+            &.emoji-content {
+                font-size: 2rem;
+                line-height: 1.2;
+            }
+
+            &.single-emoji-content {
+                font-size: 4rem;
+                line-height: 1;
+                margin-bottom: 8px;
+            }
+        }
+
+        .message-time {
+            background: rgba(0, 0, 0, 0.3);
+            border-radius: 12px;
+            padding: 4px 8px;
+            margin-top: 8px;
+            margin-right: 0;
+            font-size: 0.75rem;
+            color: rgba(255, 255, 255, 0.7);
+            backdrop-filter: blur(10px);
+            display: flex;
+            align-items: center;
+            justify-content: flex-end;
+            gap: 4px;
+            user-select: none;
+            width: fit-content;
+        }
     }
 }
 
-
 .message-username {
     &.loading {
         opacity: 0.6;

frontend/src/pages/chat/ui/right/Message.tsx

@@ -4,7 +4,7 @@ import defaultAvatar from "@/images/default-avatar.png";
 import Quote from "@/core/components/Quote";
 import { parse } from "marked";
 import DOMPurify from "dompurify";
-import { useEffect, useState, useRef } from "react";
+import { useEffect, useState, useRef, useMemo } from "react";
 import { getCurrentKeys } from "@/core/api/authApi";
 import { ecdhSharedSecret, deriveWrappingKey } from "@/utils/crypto/asymmetric";
 import { importAesGcmKey, aesGcmDecrypt } from "@/utils/crypto/symmetric";
@@ -409,11 +409,23 @@ export function Message({ message, isAuthor, onContextMenu, onReactionClick, isD
         e.stopPropagation();
         onContextMenu(e, message);
     }
+    const messageText = message.content.trim();
 
+    const isEmojiMessage = useMemo(() => {
+        const emojiRegex = /^[\s\p{Emoji}]*$/u;
+        return messageText.length > 0 && emojiRegex.test(messageText);
+    }, [messageText]);
+
+    // Check if message has only one emoji
+    const isSingleEmojiMessage = useMemo(() => {
+        const emojiRegex = /^[\p{Emoji}]+$/u;
+        return messageText.length > 0 && emojiRegex.test(messageText) && messageText.length <= 4; // Most emojis are 1-4 characters
+    }, [messageText]);
+    
     return (
         <>
             <div 
-                className={`message ${isAuthor ? "sent" : "received"}`}
+                className={`message ${isAuthor ? "sent" : "received"} ${isEmojiMessage ? "emoji-message" : ""} ${isSingleEmojiMessage ? "single-emoji" : ""}`}
                 data-id={message.id}
                 onContextMenu={handleContextMenu}
             >
@@ -431,7 +443,7 @@ export function Message({ message, isAuthor, onContextMenu, onReactionClick, isD
                 )}
 
                 <div className="message-inner">
-                    {!isAuthor && !isDm && (
+                    {!isAuthor && !isDm && !isSingleEmojiMessage && (
                         <div 
                             className="message-username"
                             onClick={handleProfileClick}>
@@ -446,7 +458,7 @@ export function Message({ message, isAuthor, onContextMenu, onReactionClick, isD
                         </Quote>
                     )}
 
-                    <div className="message-content" dangerouslySetInnerHTML={formattedMessage} />
+                    <div className={`message-content ${isEmojiMessage ? "emoji-content" : ""} ${isSingleEmojiMessage ? "single-emoji-content" : ""}`} dangerouslySetInnerHTML={formattedMessage} />
 
                     {message.files && message.files.length > 0 && (
                         <mdui-list className="message-attachments">