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var(--ui-color-neutral-grey-200);background-color:#fff;justify-content:space-between;align-items:center;display:flex;position:relative}.chat-header__left,.chat-header__right{align-items:center;gap:var(--ui-space-xs);flex:none;display:flex}.chat-header__left{justify-content:flex-start}.chat-header__center{flex:auto;justify-content:center;align-items:center;display:flex}.chat-header__right{justify-content:flex-end}.chat-header__close-button.chat-button--icon-only.chat-button--small{padding:var(--ui-space-xxxs)var(--ui-space-xs)}.chat-header__divider{width:var(--ui-stroke-1);height:var(--chat-header-divider-height);background-color:var(--ui-color-neutral-grey-200)}.diagram-mermaid{width:100%;height:100%;position:relative}.diagram-mermaid svg{max-width:100%;height:auto;margin:0 auto;display:block}.diagram-mermaid__download-btn{color:var(--ui-color-brand-fod-primary-a);position:absolute;top:8px;right:8px}.diagram-mermaid-error__container{flex-direction:row;gap:8px;display:flex}.diagram-mermaid-error__icon{margin-bottom:.5rem;font-size:2rem}.diagram-mermaid-error__message{color:#333;font-size:18px}.diagram-mermaid-error__details{font-size:14px}.diagram-mermaid-error__code{color:#333;max-width:280px;overflow:auto}.chat-mermaid-card{cursor:pointer;background:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:8px 0;transition:all .2s}.chat-mermaid-card:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.chat-mermaid-card--error{color:#e04949;box-shadow:none;cursor:default;background:#fef0ef;border-color:#e04949;padding:8px}.chat-mermaid-card--error:hover{box-shadow:none;border-color:#e04949;transform:none}.chat-mermaid-card__preview{padding:8px;overflow:hidden}.chat-mermaid-card__preview .diagram-mermaid,.chat-mermaid-card__preview 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0;border:none;border-radius:60px;justify-content:center;align-items:center;padding:0;display:flex;position:absolute}.quadrant-chart__cluster--single .avatar{width:48px;height:48px}.quadrant-chart__cluster--multi{background-color:#333;border:2px solid #fff}.quadrant-chart__cluster-count{font-family:var(--font-second);color:#fff;font-size:16px;font-weight:700;line-height:24px}.tutor-usage-stat-card{gap:var(--ui-space-xs);padding:var(--ui-space-xs)var(--ui-space-md);border:var(--ui-stroke-1)solid 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.icon--color-default{color:var(--ui-color-orange-500)}.tutor-usage-stat-card__icon--green{background-color:var(--ui-color-green-100)}.tutor-usage-stat-card__icon--green 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