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button:disabled{color:var(--color-text-03);cursor:not-allowed}@media (max-width:700px){.sidebar{z-index:40;width:min(300px,85vw);transition:transform .2s;position:fixed;inset:0 auto 0 0;transform:translate(-100%)}.sidebar.open{box-shadow:var(--navi-popover);transform:none}.sidebar-backdrop{z-index:30;background:#1b203652;display:block;position:fixed;inset:0}.mobile-menu{display:inline-flex}.topbar{padding:0 12px}.mode-badge{display:none}.error-banner{margin:8px 12px 0}.chat-scroll{padding:18px 14px 10px}.welcome-title{font-size:22px}.welcome-scope,.citations,.image-grid{grid-template-columns:1fr}.citation-wrap.is-right .citation-pop{left:0;right:auto}.composer-area{padding:6px 10px 10px}.key-hint{display:none}.composer-tools .send-button{margin-left:auto}.sources-view{padding:18px 14px}.source-filters{flex-direction:column;top:-18px}.source-select{width:100%}.source-detail{padding:16px}}@media 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