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0;line-height:1.3}.settings-category-nav-item:hover{color:var(--text-secondary)}.settings-category-nav-item.is-active,.settings-category-nav-item[aria-selected=true]{color:var(--text-strong);font-weight:var(--font-weight-medium)}.settings-category-panel{gap:1rem;min-width:0;display:grid}.settings-invite-panel{z-index:1;position:relative}.settings-admin-links{flex-wrap:wrap;gap:.5rem 1rem;margin:0;display:flex}.settings-admin-links a{color:var(--text-muted);text-underline-offset:.18em;text-decoration:underline}.invite-link-panel{gap:.65rem;margin-top:.75rem;display:grid}.invite-link-input{width:100%;font-size:14px}.settings-tab>.panel+.panel{z-index:0;position:relative}.theme-toggle.segmented{background:var(--surface-muted);border-radius:16px;flex-shrink:0;gap:.3rem;width:max-content;padding:.25rem;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.theme-toggle.segmented{background:color-mix(in srgb, var(--surface-muted) 82%, 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var(--shadow-soft)}}.learner-gender-field{color:var(--text-strong);gap:.45rem;font-size:14px;font-weight:500;display:grid}.learner-gender-select{grid-template-columns:1fr 1fr;gap:.65rem;display:grid}.learner-gender-select button{border:1px solid var(--input-border);min-height:2.85rem;color:var(--text-muted);background:var(--surface-solid);font:inherit;cursor:pointer;touch-action:manipulation;border-radius:16px;justify-content:center;align-items:center;padding:.75rem .9rem;font-size:16px;font-weight:500;line-height:1.2;transition:border-color .16s,background .16s,color .16s,box-shadow .16s,transform .16s;display:inline-flex}.learner-gender-select button:hover{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.learner-gender-select button:hover{border-color:color-mix(in srgb, var(--accent) 35%, var(--input-border))}}.learner-gender-select button:hover{color:var(--text-strong);background:var(--accent)}@supports (color:color-mix(in lab, red, 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