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p{font-size:13px;color:var(--text-secondary);cursor:pointer}.header-actions{display:flex;gap:8px}.header-action-btn{width:40px;height:40px;border-radius:50%;background:transparent;border:none;color:var(--icon-default);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition-fast)}.header-action-btn:hover{background:var(--bg-hover)}.messages-container{flex:1;overflow-y:auto;overflow-x:hidden;padding:20px 60px;display:flex;flex-direction:column;gap:2px}.messages-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:12px;color:var(--text-secondary)}.message-bubble{max-width:65%;padding:6px 7px 8px 9px;border-radius:7.5px;word-wrap:break-word;position:relative;animation:fadeSlideIn .15s ease-out;box-shadow:0 1px .5px #0b141a21}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.message-bubble.bot{align-self:flex-end;background:var(--bg-message-out);color:var(--text-primary);border-radius:7.5px 7.5px 0}.message-bubble.user{align-self:flex-start;background:var(--bg-message-in);color:var(--text-primary);border-radius:7.5px 7.5px 7.5px 0}.message-bubble.bot:after{content:"";position:absolute;right:-8px;bottom:0;width:0;height:0;border:8px solid transparent;border-bottom-color:var(--bg-message-out);border-right:0}.message-bubble.user:after{content:"";position:absolute;left:-8px;bottom:0;width:0;height:0;border:8px solid transparent;border-bottom-color:var(--bg-message-in);border-left:0}.message-text{font-size:14.2px;line-height:19px;white-space:pre-wrap;margin-right:50px}.message-footer{display:flex;align-items:center;justify-content:flex-end;gap:3px;margin-top:2px;float:right;margin-left:10px;margin-bottom:-5px}.message-timestamp{font-size:11px;color:#fff9}.message-bubble.user .message-timestamp{color:var(--text-muted)}.message-status{display:flex;align-items:center;color:#fff9}.message-status.read{color:#53bdeb}.message-input-area{display:flex;flex-direction:column;padding:10px 16px;background:var(--bg-panel-header);border-top:1px solid var(--border-default);gap:8px}.file-preview{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-hover);border-radius:var(--radius-small);animation:fadeSlideIn .15s 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svg{width:26px;height:26px}.attach-button{width:40px;height:40px;border-radius:50%;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--icon-default);transition:var(--transition-fast);flex-shrink:0}.attach-button:hover{color:var(--icon-lighter)}.attach-button svg{width:26px;height:26px;transform:rotate(45deg)}.message-input-wrapper{flex:1;display:flex;align-items:center;background:var(--bg-panel);border-radius:var(--radius-small);padding:0 8px;min-height:42px}.message-input-area input[type=text]{flex:1;padding:9px 12px;background:transparent;border:none;color:var(--text-primary);font-size:15px;outline:none}.message-input-area 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slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}