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(prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}.chip{display:inline-flex;align-items:center;padding:6px 16px;font-size:var(--text-sm);font-weight:600;border-radius:var(--radius-full);background:var(--bg-elevated);color:var(--text-muted);border:1px solid var(--border);cursor:pointer;transition:background var(--duration-normal) var(--ease-out),color var(--duration-normal) var(--ease-out),border-color var(--duration-normal) var(--ease-out),box-shadow var(--duration-normal) var(--ease-out)}.chip:hover{color:var(--text-secondary);border-color:var(--border-hover);background:var(--bg-surface)}.chip-active{background:var(--accent-dim);color:var(--accent);border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow)}.chat-shell{display:flex;flex-direction:column;height:calc(100vh - var(--header-height));position:relative;width:100%}.chat-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--bg-primary);border-bottom:1px solid var(--border-subtle);position:-webkit-sticky;position:sticky;top:0;z-index:10}.chat-switcher{display:flex;background:var(--bg-surface);padding:4px;border-radius:12px;gap:2px}.switcher-tab{padding:6px 16px;border-radius:8px;font-size:.9rem;font-weight:600;color:var(--text-secondary);transition:all .2s ease;background:transparent;border:none}.switcher-tab.active,.switcher-tab:hover{color:var(--text-primary)}.switcher-tab.active{background:var(--bg-surface-hover);box-shadow:0 2px 8px rgba(0,0,0,.2)}.sidebar-closed{--sidebar-width:0px}.sidebar-closed .sidebar{transform:translateX(-100%)}.sidebar-toggle-btn{position:absolute;top:50%;left:100%;transform:translateY(-50%);width:24px;height:48px;background:var(--bg-primary);border:1px solid var(--border-subtle);border-left:none;border-radius:0 8px 8px 0;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);z-index:101;transition:all .2s ease}.sidebar-toggle-btn:hover{color:var(--text-primary);background:var(--bg-surface)}.chat-thread{overflow-y:auto;padding:40px 0 140px;scroll-behavior:smooth}.chat-empty,.chat-thread{flex:1 1;display:flex;flex-direction:column}.chat-empty{align-items:center;justify-content:center;text-align:center;gap:16px;color:var(--text-muted)}.chat-empty h2{color:var(--text-primary);font-size:2rem;font-weight:700}.composer{position:absolute;bottom:0;left:0;right:0;padding:24px;background:linear-gradient(180deg,transparent,var(--bg-primary) 50%);display:flex;flex-direction:column;align-items:center}.composer-inner{max-width:var(--max-content);width:100%;position:relative;display:flex;align-items:flex-end;background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;padding:8px 12px 8px 16px;transition:all var(--duration-normal) var(--ease-out);box-shadow:0 0 20px rgba(0,0,0,.4)}.composer-inner:focus-within{border-color:var(--accent)}.composer-inner textarea{flex:1 1;background:transparent;border:none;color:var(--text-primary);font-size:1rem;resize:none;padding:8px 0;min-height:24px;max-height:200px;line-height:1.5}.send-btn{width:32px;height:32px;border-radius:8px;background:var(--bg-surface-hover);color:var(--text-muted);margin-left:8px;margin-bottom:4px}.send-btn.active{background:var(--accent);color:#fff}.send-btn:disabled{cursor:not-allowed;opacity:.5}.send-btn:hover.active{transform:scale(1.08);filter:brightness(1.15)}.send-btn:active.active{transform:scale(.92)}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.2);border-top-color:#ffffff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.composer-row{display:flex;align-items:center;justify-content:center;padding:10px 8px 0}.composer-hint{font-size:var(--text-xs);color:var(--text-muted);letter-spacing:.02em}.form-error{font-size:var(--text-sm);color:#D45353;margin-top:var(--space-sm)}.message-feedback{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}@media (max-width:480px){.message-feedback{display:flex;flex-direction:column;align-items:stretch;width:100%}.message-feedback .btn{width:100%;justify-content:flex-start}}.thinking-message{flex-direction:row;align-items:center;gap:12px;width:-moz-fit-content;width:fit-content}.thinking-dots{display:inline-flex;gap:6px}.thinking-dots span{width:8px;height:8px;border-radius:999px;background:var(--accent);animation:thinkingPulse 1.1s ease-in-out infinite}.thinking-dots span:nth-child(2){animation-delay:.14s}.thinking-dots span:nth-child(3){animation-delay:.28s}@keyframes thinkingPulse{0%,80%,to{opacity:.35;transform:scale(.8)}40%{opacity:1;transform:scale(1.1)}}.text-muted{color:var(--text-muted)}.app-loading{min-height:100vh;display:grid;place-items:center;color:var(--text-secondary)}.projects-workspace{width:100%;display:grid;grid-gap:var(--space-lg);gap:var(--space-lg)}.project-form{grid-template-columns:minmax(160px,1fr) minmax(220px,1.4fr) auto;align-items:center}.project-form,.project-list{display:grid;grid-gap:var(--space-sm);gap:var(--space-sm)}.project-row{display:flex;justify-content:space-between;gap:var(--space-md);align-items:center;padding:var(--space-md);background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md)}.project-row div{display:grid;grid-gap:2px;gap:2px}.project-row span{color:var(--text-muted);font-size:var(--text-sm)}@media (max-width:760px){.project-form{grid-template-columns:1fr}}::selection{background:var(--accent-dim);color:var(--text-primary)}