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20px;overflow-y:auto;border:0;border-radius:16px;outline:0;background:var(--muted-bg);font-size:15px;line-height:1.4;overflow-wrap:anywhere}.composer textarea:focus-visible{outline:0}.composer-icon,.send-button,.stop-button{flex-shrink:0;width:40px;min-width:40px;height:40px;min-height:40px;padding:0;border:0;border-radius:50%}.composer-icon{color:var(--muted);background:transparent}.composer-icon:disabled{opacity:1}.composer-icon svg{width:20px;height:20px}.send-button svg{width:16px;height:16px}.stop-button{width:auto;padding:0 12px;border-radius:20px;color:var(--error);background:color-mix(in srgb,var(--error) 10%,transparent)}.stop-button svg{width:14px;height:14px}.spin{animation:spin 1s linear infinite}.files-content{flex:1;min-height:0;padding:16px;overflow-y:auto;overscroll-behavior:contain}.file-items{display:grid;gap:8px;width:100%;margin:0;list-style:none}.file-item{display:flex;flex-wrap:wrap;align-items:flex-start;gap:12px;min-height:72px;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.file-name{flex:1;min-width:0;padding-top:3px;overflow-wrap:anywhere;font-weight:550}.file-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;width:100%}.file-actions button{font-size:13px}.file-preview{display:block;max-width:100%;max-height:70dvh;margin:20px auto 0;border:1px solid var(--border);border-radius:12px;object-fit:contain}.mobile-nav{position:fixed;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:flex-start;height:calc(52px + env(safe-area-inset-bottom,0px));padding-right:env(safe-area-inset-right,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-left:env(safe-area-inset-left,0px);border-top:1px solid color-mix(in srgb,var(--border) 60%,transparent);background:var(--surface)}.mobile-nav>button{display:flex;flex:1;align-items:center;justify-content:center;width:auto;min-width:0;height:52px;min-height:52px;padding:0;border:0;border-radius:0;color:var(--muted);background:transparent}.mobile-nav>button:disabled{opacity:1}.mobile-nav>button>svg{width:20px;height:20px}.mobile-nav>.mobile-nav--active{color:var(--primary)}.mobile-nav-profile>span{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:2px solid var(--border);border-radius:50%;color:var(--fg);background:color-mix(in srgb,var(--primary) 5%,transparent);font-size:10px;font-weight:700}@media(hover:hover){.chat-item:not(:disabled):hover,.list-header-button:not(:disabled):hover,.composer-icon:not(:disabled):hover,.header-action:not(:disabled):hover{background:var(--muted-bg)}.primary-button:not(:disabled):hover{background:color-mix(in srgb,var(--primary) 90%,transparent)}.stop-button:not(:disabled):hover{background:color-mix(in srgb,var(--error) 20%,transparent)}}@media(prefers-color-scheme:dark){.message.user{background:#8f4b2f}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.5}}@keyframes typing{0%,60%,to{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-2px)}}@keyframes message-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}