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12px;min-height:38px;color:var(--editor-color-text-primary);font-family:var(--font-sans);font-size:13px;resize:none;outline:none;box-sizing:border-box;line-height:1.5}.chat-input:focus{border-color:var(--editor-color-accent)}.chat-input::placeholder{color:var(--editor-color-text-faint)}.chat-send{background:var(--editor-color-accent);border:1px solid var(--editor-color-accent);border-radius:var(--radius-sm);padding:0 12px;height:38px;color:var(--editor-color-text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-send:hover{background:var(--editor-color-accent-hover)}.chat-attach-toggle{background:none;border:1px solid var(--editor-color-border);border-radius:var(--radius-sm);padding:10px;color:var(--editor-color-text-faint);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.chat-attach-toggle:hover{color:var(--editor-color-text-secondary);border-color:var(--editor-color-text-faint)}.chat-attach-toggle.active{color:var(--editor-color-ai-accent);border-color:var(--editor-color-ai-accent);background:var(--user-accent-wash)}.chat-attach-picker{position:absolute;bottom:100%;left:0;margin-bottom:8px;background:var(--editor-color-surface);border:1px solid var(--editor-color-surface-2);border-radius:var(--radius-sm);padding:8px;max-height:240px;overflow-y:auto;min-width:200px;max-width:320px;box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:10}.chat-attach-picker::-webkit-scrollbar{width:4px}.chat-attach-picker::-webkit-scrollbar-thumb{background:var(--editor-color-surface-2);border-radius:var(--radius-sm)}.attach-picker-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:var(--radius-sm);cursor:pointer;font-size:12px;color:var(--editor-color-text-secondary);transition:background .1s}.attach-picker-item:hover{background:var(--editor-color-surface-2)}.attach-picker-item.attached{background:var(--user-accent-wash);color:var(--editor-color-ai-accent)}.attach-picker-item img{width:32px;height:32px;object-fit:cover;border-radius:var(--radius-sm)}.attach-picker-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attach-check{margin-left:auto;font-size:14px;flex-shrink:0}.attach-picker-empty,.attach-picker-loading{padding:16px;text-align:center;color:var(--editor-color-text-faint);font-size:12px}.chat-screenshot-toggle{background:none;border:1px solid var(--editor-color-border);border-radius:var(--radius-sm);padding:10px;color:var(--editor-color-text-faint);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.chat-screenshot-toggle:hover{color:var(--editor-color-text-secondary);border-color:var(--editor-color-text-faint)}.chat-screenshot-toggle.active{color:var(--editor-color-accent-light);border-color:var(--editor-color-accent);background:var(--wash-cream-05)}.chat-typing-status{color:var(--editor-color-accent-light);font-size:12px}.chat-cancel{background:var(--editor-color-danger);border:1px solid var(--editor-color-danger);border-radius:var(--radius-sm);padding:0 12px;height:38px;color:var(--editor-color-text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-cancel:hover{background:var(--editor-color-danger-hover)}.design-selected{outline:2px solid var(--editor-color-ai-accent)!important;outline-offset:4px}.design-label-selectable{cursor:pointer;padding:4px 8px;margin-left:-8px;border-radius:var(--radius-sm);transition:background 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i:nth-child(5)>span{animation-duration:calc(var(--tk-rate) * var(--tk-r5) * 1s * var(--tk-t));animation-delay:calc(var(--tk-rate) * var(--tk-o5) * 1s * var(--tk-t))}.thinking-mark i:nth-child(6)>span{animation-duration:calc(var(--tk-rate) * var(--tk-r6) * 1s * var(--tk-t));animation-delay:calc(var(--tk-rate) * var(--tk-o6) * 1s * var(--tk-t))}.thinking[data-analyzing] .thinking-mark i>span{filter:saturate(1.3) brightness(.92)}.thinking-line{font-size:12.5px;line-height:1.5;color:var(--editor-color-text-secondary);animation:thinking-arrive .24s ease both}.thinking-line.is-cycling{animation:thinking-cycle calc(var(--tk-dwell) * 1s) ease-in-out both}@keyframes thinking-cycle{0%{opacity:0}12%,88%{opacity:1}to{opacity:0}}@keyframes thinking-arrive{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.thinking *,.thinking :after,.thinking :before{animation:none!important;transition:none!important}.thinking-mark i{transform:rotate(var(--a)) translateY(calc(var(--tk-push) * 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ease-out}.canvas-menu-kebab.is-open,.canvas-menu-kebab:focus-visible,.canvas-menu-kebab:hover{color:var(--color-text-primary);background:var(--accent-wash);outline:0}.canvas-menu-dropdown{position:fixed;z-index:200;min-width:220px;background:var(--color-surface-elevated);border:1px solid rgba(236,233,224,.1);border-radius:var(--radius-sm);padding:6px;display:flex;flex-direction:column;gap:2px;box-shadow:0 8px 24px rgba(0,0,0,.25)}.canvas-menu-empty{margin:0;color:var(--color-text-secondary)}.canvas-menu-empty,.canvas-menu-row{padding:8px 12px;font-family:var(--font-sans);font-size:13px}.canvas-menu-row{display:flex;align-items:center;gap:10px;width:100%;background:transparent;border:0;border-radius:var(--radius-sm);color:var(--color-text-primary);font-weight:400;text-align:left;cursor:pointer;transition:background-color var(--hover-wash-ms) ease}.canvas-menu-row:focus-visible,.canvas-menu-row:hover{background:var(--wash-cream-06);outline:0}.canvas-menu-row[aria-disabled=true]{cursor:default}.canvas-menu-row-label{flex:1 1;white-space:nowrap}.canvas-menu-row-check{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;flex-shrink:0}.backdrop-picker{position:fixed;z-index:200;display:flex;gap:8px;padding:8px;background:var(--color-surface-elevated);border:1px solid var(--color-border-soft);border-radius:var(--radius-sm);box-shadow:var(--shadow-md)}.backdrop-swatch{width:28px;height:28px;padding:0;border-radius:var(--radius-sm);border:1px solid rgba(236,233,224,.18);cursor:pointer;-webkit-tap-highlight-color:transparent;transition:box-shadow .12s ease-out}.backdrop-picker--touch .backdrop-swatch{width:44px;height:44px}.backdrop-swatch.is-active,.backdrop-swatch:focus-visible{outline:none;box-shadow:0 0 0 2px var(--color-surface-elevated),0 0 0 4px var(--color-accent)}.canvas-region{flex:1 1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.canvas-banners{position:fixed;top:var(--canvas-topbar-h);left:0;right:0;z-index:60}.canvas-banners:empty{display:none}.canvas-shell[data-top-collapsed="1"] .canvas-banners{top:0}.canvas-shell .editor-canvas-wrap{grid-template-columns:1fr;grid-template-rows:1fr}.canvas-shell .ruler-corner,.canvas-shell .ruler-h,.canvas-shell .ruler-v{display:none}.canvas-toolbar-stack{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:50;display:inline-flex;flex-direction:column;align-items:stretch}.canvas-toolbar{display:flex;gap:10px;padding:14px 16px;border-radius:var(--radius-md);background:var(--color-surface-elevated);border:1px solid rgba(236,233,224,.1);box-shadow:0 12px 32px rgba(0,0,0,.32)}.canvas-toolbar,.canvas-toolbar-btn{align-items:center;justify-content:center}.canvas-toolbar-btn{display:inline-flex;width:30px;height:30px;box-sizing:border-box;background:transparent;border:1.5px solid 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4px;padding:0;background:transparent;border:none;border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.04em;color:var(--color-text-primary);text-align:center;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:background .12s}.canvas-toolbar-zoom:hover{background:var(--accent-wash)}.canvas-shell[data-layout=mobile] .canvas-menu-kebab,.canvas-shell[data-layout=mobile] .canvas-toolbar-stack,.canvas-shell[data-layout=mobile] .canvas-top-toggle,.canvas-shell[data-layout=mobile] .canvas-topbar,.mobile-canvas-header,.mobile-canvas-toolbar{display:none}.canvas-shell[data-layout=mobile] .mobile-canvas-header{display:flex}.canvas-shell[data-layout=mobile] .mobile-canvas-toolbar{display:inline-flex}.canvas-shell[data-layout=mobile] .editor-canvas{touch-action:none}.canvas-shell[data-layout=mobile] .editor-canvas iframe,.editor-canvas iframe[data-parked]{pointer-events:none}.canvas-shell[data-layout=mobile] .canvas-banners{top:calc(52px + env(safe-area-inset-top, 0px))}.mobile-canvas-header{position:fixed;top:0;left:0;right:0;z-index:50;height:calc(52px + env(safe-area-inset-top, 0px));padding:env(safe-area-inset-top,0) 12px 0 14px;box-sizing:border-box;align-items:center;gap:8px;background:var(--color-bg-page);border-bottom:1px solid rgba(236,233,224,.08)}.mobile-canvas-exit,.mobile-canvas-kebab,.mobile-canvas-present{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;background:none;border:none;border-radius:var(--radius-sm);color:var(--color-text-muted);cursor:pointer}.mobile-canvas-exit:focus-visible,.mobile-canvas-exit:hover,.mobile-canvas-kebab:focus-visible,.mobile-canvas-kebab:hover,.mobile-canvas-present:focus-visible,.mobile-canvas-present:hover{color:var(--color-text-primary);background:var(--wash-cream-06);outline:none}.mobile-canvas-exit svg{width:20px;height:20px}.mobile-canvas-title{flex:1 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