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0;background:color-mix(in srgb, var(--surface-raised) 88%, transparent);border:1px solid var(--border);border-radius:0.75rem;box-shadow:var(--shadow);left:calc(50vw - 560px);max-height:72vh;opacity:0;overflow:hidden;padding:0.9rem;pointer-events:none;position:fixed;top:50%;transform:translateY(calc(-50% + 5px));transition:opacity 180ms ease, transform 180ms ease, visibility 180ms ease;visibility:hidden;width:232px;z-index:20}.floating-toc.is-visible{opacity:1;pointer-events:auto;transform:translateY(-50%);visibility:visible}.floating-toc.is-visible.is-yielding{opacity:0;pointer-events:none;transform:translate(-1.25rem, -50%);visibility:hidden}.floating-toc-header{align-items:baseline;display:flex;justify-content:space-between;margin-bottom:0.65rem}.floating-toc-title,.floating-toc-count{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 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