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.messenger-account-tools{border-top:1px solid var(--line);justify-content:space-evenly;align-items:center;gap:8px;padding:12px 4px;display:flex}body.messages .messenger-shell>.sidebar{z-index:40;overflow:visible}.messenger-account-tools .account-dropdown{max-width:calc(100vw - 24px);inset:auto auto 50px 0}.messenger-mobile-tools{display:none}.sidebar-collapsed .messenger-account-tools{flex-direction:column}.messenger-inbox .messenger-inbox-tools{flex-wrap:nowrap;align-items:center;gap:8px;display:flex}.messenger-inbox-tools>.mark-all-read{min-width:0;margin-left:auto;position:relative}.mark-all-read>small{z-index:2;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);pointer-events:none;white-space:nowrap;border-radius:8px;padding:8px;animation:3s forwards read-confirm;position:absolute;top:100%;right:0}.mark-all-read.marked .icon{animation:.45s read-tick}.mark-all-read.marking .icon{animation:.8s infinite read-tick}@keyframes read-tick{50%{color:var(--purple);transform:scale(1.35)rotate(-12deg)}}@keyframes read-confirm{0%{opacity:0;transform:translateY(-4px)}15%,85%{opacity:1;transform:none}to{opacity:0}}@media (min-width:761px){.desktop-nav .studio-nav-link{background:var(--lavender);color:var(--purple);border:1px solid color-mix(in srgb,var(--purple) 25%,transparent);font-weight:600}.desktop-nav .studio-nav-link:hover{box-shadow:0 3px 14px color-mix(in srgb,var(--purple) 12%,transparent)}}@media (max-width:1000px){.messenger-mobile-tools{display:block}.messenger-mobile-tools .messenger-account-tools{border-top:0;justify-content:flex-end;padding:4px 12px}.messenger-mobile-tools .account-dropdown{inset:44px 0 auto auto}.sidebar .messenger-account-tools{display:none}}@media (prefers-reduced-motion:reduce){.mark-all-read .icon,.mark-all-read>small{animation:none}.mark-all-read>small{display:none}}