.chat-container{display:flex;height:100vh;background:#0f1117;color:#fff}.sidebar{width:250px;background:#1e2128;padding:20px;overflow-y:auto;font-weight:700}.sidebar .new-chat-button{width:100%;padding:10px;background:#2b303b;color:#fff;border:none;cursor:pointer;margin-bottom:10px;border-radius:10px;font-weight:700;font-size:15px}.sidebar ul{list-style:none;padding:0;margin:0}.sidebar li{padding:10px;cursor:pointer;background:#2e333d;margin-bottom:5px;display:flex;justify-content:space-between;align-items:center;border-radius:6px}.sidebar li.active{background:#3a3f4b;font-weight:700}.chat-area{flex:1;display:flex;flex-direction:column;padding:20px}.messages{flex:1;overflow-y:auto;padding-bottom:10px;display:flex;flex-direction:column}.message{display:flex;flex-direction:column;max-width:90%;margin:10px;padding:10px;border-radius:20px;position:relative;word-wrap:break-word}.message.user-message{align-self:flex-end;background-color:#fff;color:#000;font-weight:30px;font-size:17px}.message.bot-message{align-self:flex-start;background-color:#2b303b;color:#fff;font-weight:20px;font-size:18px}.message-content{margin-bottom:15px}.message-actions{display:flex;gap:10px;font-size:.9nem}.message .file-name{margin-top:10px;font-size:.85em}.input-area{display:flex;padding:10px;background:#1a1c23;gap:10px}.input-area input[type=text]{flex:1;padding:10px;border:none;border-radius:6px;background:#2a2d35;color:#fff}.send-button{background-color:#2d7df7;color:#fff;border:none;padding:10px 14px;border-radius:6px;cursor:pointer;font-weight:700}.upload-button{background-color:#3a3f4b;color:#fff;border:none;padding:10px 14px;border-radius:6px;cursor:pointer}.chat-item{position:relative;display:flex;justify-content:space-between;align-items:center;background:#2e333d;padding:10px;margin-bottom:5px;cursor:pointer}.chat-item.active{background:#3a3f4b;font-weight:700}.dots-container{position:relative;cursor:pointer;padding:2px 5px;border-radius:4px}.chat-menu{position:absolute;top:25px;right:0;background:#333;border:1px solid #444;padding:5px;border-radius:8px;display:flex;flex-direction:column;z-index:999;width:120px}.chat-menu button{background:none;border:none;color:#fff;padding:6px 10px;text-align:left;cursor:pointer}.chat-menu button:hover{background:#444}.chat-menu .delete-btn{color:#ff4d4d}.sidebar-title{font-size:1.9rem;font-weight:700;color:#fff;margin:10px 0;text-align:left}.message-wrapper{position:relative}.message{padding:12px;margin:10px 0;position:relative;border-radius:20px;transition:background .3s}.message-content{padding-right:40px}.message-actions{position:absolute;bottom:5px;right:10px;display:none;gap:8px}.message-wrapper:hover .message-actions{display:flex}.message-actions button{width:32px;height:32px;border-radius:50%;border:none;background-color:#ffffff26;color:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .3s ease}.message-actions button:hover{background-color:#ffffff4d}