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var(--line);margin-bottom:20px;overflow-x:auto;-webkit-overflow-scrolling:touch}.tab{display:inline-flex;align-items:center;gap:7px;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--sub);font-size:13.5px;font-weight:600;padding:10px 6px;margin-bottom:-1px;cursor:pointer;transition:color .15s ease;white-space:nowrap}.tab.active,.tab:hover{color:var(--text)}.tab.active{border-bottom-color:var(--cyan)}:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px}:focus:not(:focus-visible){outline:none}.site-nav{padding-left:max(22px,env(safe-area-inset-left));padding-right:max(22px,env(safe-area-inset-right))}@supports (height:100dvh){.chat,.drawer{height:100dvh}.home{min-height:calc(100dvh - var(--nav-h))}.lib-side{height:calc(100dvh - 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ease}.msg-action:hover{color:var(--text);border-color:#22d3ee55}.msg-action:disabled{opacity:.55;cursor:default}.msg-action:disabled:hover{color:var(--sub);border-color:var(--line)}.msg-action.on{opacity:1}.msg-action.on,.msg-action.on:disabled:hover,.msg-action.on:hover{color:var(--cyan);border-color:#22d3ee55}.pdf-cta-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:48px 24px}.pdf-cta-wrap p{color:var(--sub);font-size:14px;line-height:1.55;max-width:34ch;margin:0}.pdf-cta{font-size:15px;padding:13px 22px}.net-banner{position:-webkit-sticky;position:sticky;top:var(--nav-h);z-index:19;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;font-size:12.5px;font-weight:600;color:var(--on-accent);background:var(--amber)}.nav-toggle{display:none;width:40px;height:40px;flex-shrink:0;border-radius:9px;place-items:center;background:var(--panel2);border:1px solid 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