:root{--ck-primary-color: rgb(102, 102, 102);--ck-primary-hover: #808080;--ck-primary-active: #4d4d4d;--ck-bg-color: #ffffff;--ck-bg-hover: #f5f5f5;--ck-bg-active: #e6e6e6;--ck-bg-message-area-color: transparent;--ck-bg-input-area-color: transparent;--ck-text-color: #666666;--ck-text-secondary: #808080;--ck-text-disabled: #999999;--ck-border-color: #e6e6e6;--ck-border-hover: #d9d9d9;--ck-message-bg: #f5f5f5;--ck-message-user-bg: #f5f5f5;--ck-message-text: #666666;--ck-message-user-text: #666666;--ck-text-size-base: 14px;--ck-message-margin-bottom: 16px;--ck-message-border-radius: 8px;--ck-message-user-border-radius: var(--ck-message-border-radius);--ck-message-min-height: 45px;--ck-message-padding: 12px 16px;--ck-input-area-padding: 16px;--ck-input-field-border-radius: 4px;--ck-input-button-border-radius: 4px;--ck-message-font-size: var(--ck-text-size-base);--ck-input-field-font-size: var(--ck-text-size-base);--ck-input-button-font-size: var(--ck-text-size-base);--ck-empty-state-font-size: var(--ck-text-size-base);--ck-input-field-padding: 8px 12px;--ck-input-button-padding: 8px 16px;--ck-input-button-transition: all .3s;--ck-avatar-placeholder-font-size: 16px;--ck-avatar-placeholder-font-weight: 500;--ck-message-line-height: 1.5;--ck-messages-padding: 16px;--ck-avatar-size: 40px;--ck-avatar-width: var(--ck-avatar-size);--ck-avatar-height: var(--ck-avatar-size);--ck-avatar-border-radius: 50%;--ck-avatar-margin: 0 8px 0 0;--ck-input-wrapper-gap: 8px;--ck-message-component-padding: 0;--ck-message-max-width: 90%;--ck-shadow: 0 2px 8px rgba(0, 0, 0, .15)}.ck-chat{width:100%;height:100%;background:var(--ck-bg-color);overflow:hidden}.ck-chat__wrapper{display:flex;flex-direction:column;height:100%}.ck-messages{flex:1;overflow-y:auto;padding:var(--ck-messages-padding);background:var(--ck-bg-message-area-color)}.ck-message{display:flex;margin-bottom:var(--ck-message-margin-bottom);align-items:flex-start}.ck-message__user{flex-direction:row-reverse}.ck-message__avatar{width:var(--ck-avatar-width);height:var(--ck-avatar-height);margin:var(--ck-avatar-margin);flex-shrink:0}.ck-message__avatar-placeholder{width:100%;height:100%;border-radius:var(--ck-avatar-border-radius);background:var(--ck-primary-color);color:var(--ck-bg-color);display:flex;align-items:center;justify-content:center;font-size:var(--ck-avatar-placeholder-font-size);font-weight:var(--ck-avatar-placeholder-font-weight)}.ck-message__content{max-width:var(--ck-message-max-width);min-height:var(--ck-message-min-height);padding:var(--ck-message-padding);box-sizing:border-box;border-radius:var(--ck-message-border-radius);background:var(--ck-message-bg);color:var(--ck-message-text);font-size:var(--ck-message-font-size);line-height:var(--ck-message-line-height);word-break:break-word}.ck-message__component{width:100%;background:none;padding:var(--ck-message-component-padding);color:inherit;background:var(--ck-message-bg);border-radius:var(--ck-message-border-radius);overflow:hidden}.ck-message__user .ck-message__content{background:var(--ck-message-user-bg);border-radius:var(--ck-message-user-border-radius);color:var(--ck-message-user-text)}.ck-input__area{padding:var(--ck-input-area-padding);background:var(--ck-bg-input-area-color)}.ck-input__wrapper{display:flex;align-items:center;gap:var(--ck-input-wrapper-gap)}.ck-input__field{padding:var(--ck-input-field-padding);border-radius:var(--ck-input-field-border-radius);font-size:var(--ck-input-field-font-size);color:var(--ck-text-color);flex:1}.ck-input__field::placeholder{color:var(--ck-text-disabled)}.ck-input__button{padding:var(--ck-input-button-padding);border-radius:var(--ck-input-button-border-radius);background:var(--ck-primary-color);color:var(--ck-bg-color);font-size:var(--ck-input-button-font-size);cursor:pointer;transition:var(--ck-input-button-transition)}.ck-input__button:hover{background:var(--ck-primary-hover)}.ck-input__button:active{background:var(--ck-primary-active)}.ck-input__button:disabled{background:var(--ck-text-disabled);cursor:not-allowed}.ck-empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--ck-text-secondary);font-size:var(--ck-empty-state-font-size)}