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var(--border);color:var(--muted);justify-content:space-between;align-items:center;padding:8px 11px;font-size:12px;font-weight:650;display:flex}.insight-panel__preview-frame iframe{height:230px}.insight-panel__muted{color:var(--faint);font-size:12px}.insight-mobile-backdrop{display:none}.model-switch-backdrop,.share-dialog-backdrop{z-index:120;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fade-in .2s var(--ease) both;background:#1c16116b;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.model-switch-card,.share-dialog-card{border:1px solid var(--border);background:var(--card);width:min(480px,100%);box-shadow:var(--shadow-lg);animation:pop-in var(--dur) var(--ease) both;border-radius:18px;padding:24px}.model-switch-card h3,.share-dialog-card h3{font-family:var(--font-serif);color:var(--text);letter-spacing:-.01em;margin:0 0 10px;font-size:19px;font-weight:600}.model-switch-card p,.share-dialog-card p{color:var(--muted);margin:0 0 20px;font-size:13.5px;line-height:1.8}.model-switch-card p strong,.share-dialog-card p strong{color:var(--text)}.model-switch-actions,.share-dialog-actions{justify-content:flex-end;gap:10px;display:flex}.model-switch-actions button,.share-dialog-actions button{border:1px solid var(--border-strong);border-radius:var(--radius-btn);background:var(--card);height:38px;color:var(--text);transition:background var(--dur-fast),border-color var(--dur-fast),transform var(--dur-fast),filter var(--dur-fast);justify-content:center;align-items:center;padding:0 16px;font-size:13px;font-weight:700;display:inline-flex}.model-switch-actions button:hover:not(:disabled),.share-dialog-actions button:hover:not(:disabled){background:var(--hover);transform:translateY(-1px)}.model-switch-actions button:active:not(:disabled),.share-dialog-actions button:active:not(:disabled){transform:scale(.97)}.model-switch-actions button.is-confirm,.share-url-row button.is-confirm{background:var(--accent);color:#fff;border-color:#0000}.model-switch-actions button.is-confirm:hover,.share-url-row button.is-confirm:hover{background:var(--accent-strong)}.model-switch-actions button.is-danger,.share-dialog-actions button.is-danger{background:var(--danger);color:#fff;border-color:#0000}.model-switch-actions button.is-danger:hover,.share-dialog-actions button.is-danger:hover{background:#a13333}.model-switch-actions button:disabled,.share-dialog-actions button:disabled,.share-url-row button:disabled{opacity:.55;transform:none}.share-url-row{gap:10px;margin-bottom:14px;display:flex}.share-url-row input{border:1px solid var(--border-strong);border-radius:var(--radius-btn);background:var(--subtle);min-width:0;height:40px;color:var(--text);font:13px/1 var(--font-mono);flex:1;padding:0 12px}.share-url-row input:focus-visible{outline-offset:0}.share-url-row button{border-radius:var(--radius-btn);background:var(--accent);color:#fff;height:40px;transition:background var(--dur-fast);border:0;padding:0 18px;font-size:13.5px;font-weight:700}.share-dialog-error{color:var(--danger);margin:0 0 12px;font-size:13px}.toast{z-index:90;color:#faf9f5;max-width:min(92vw,540px);box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);background:#23201c;border-radius:12px;padding:11px 18px;font-size:13.5px;line-height:1.5;position:fixed;bottom:30px;left:50%;transform:translate(-50%,14px)}.toast.is-visible{opacity:1;pointer-events:auto;transform:translate(-50%)}@media (max-width:1180px){.insight-panel{z-index:75;visibility:hidden;pointer-events:none;width:min(392px,94vw);height:100dvh;transition:transform .28s var(--ease),visibility .28s;position:fixed;top:0;right:0;transform:translate(103%);box-shadow:-24px 0 70px #1f1a1633}.insight-panel.is-collapsed{display:flex}.insight-panel.is-expanded.is-mobile-open{visibility:visible;pointer-events:auto;transform:translate(0)}.insight-mobile-backdrop{z-index:70;opacity:0;pointer-events:none;transition:opacity .2s var(--ease);background:#1c161159;border:0;display:block;position:fixed;inset:0}.insight-mobile-backdrop.is-visible{opacity:1;pointer-events:auto}}@media (max-width:820px){.app-shell{grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(0,1fr);height:100dvh;overflow:hidden}.chat-pane{grid-area:2/1}.mobile-backdrop{z-index:45;opacity:0;pointer-events:none;transition:opacity .22s var(--ease);background:#1c161159;border:0;position:fixed;inset:0}.mobile-backdrop.is-visible{opacity:1;pointer-events:auto}.chat-header{min-height:64px;padding-inline:12px}.header-leading{flex:1;overflow:hidden}.chat-header .mobile-menu-button{display:inline-grid}.artifact-toggle span,.desktop-action,.login-button span,.select-control--template{display:none}.sidebar{z-index:50;width:min(84vw,320px);height:100dvh;box-shadow:var(--shadow-lg);visibility:hidden;pointer-events:none;transition:transform .26s var(--ease),visibility .26s;position:fixed;top:0;bottom:0;left:0;transform:translate(-105%)}.sidebar.is-open{visibility:visible;pointer-events:auto;transform:translate(0)}.sidebar-close{display:inline-grid}.icon-button,.send-button{min-width:42px;min-height:42px}.tool-button{width:40px;height:40px}.quick-prompts button{min-height:34px;padding-inline:12px}.message-thread{padding:30px 20px 60px}.starter-grid{grid-template-columns:1fr}.thread-empty{padding-top:30px}.scroll-bottom-button{bottom:136px;right:16px}}@media (max-width:520px){.chat-brand-name,.composer-capability span,.header-demo-chip,.message-meta time{display:none}.select-control select{max-width:96px}.login-button{justify-content:center;width:38px;padding:0}.thread-intro h1{font-size:27px}.message-thread{padding-inline:16px}.message{grid-template-columns:minmax(0,1fr);gap:0;padding:25px 0}.message-avatar{display:none}.user-bubble{max-width:100%;font-size:15.5px}.markdown-content{font-size:16px;line-height:1.82}.composer-dock{padding-inline:12px}.composer-note{display:none}.inline-artifact__header{flex-direction:column;align-items:flex-start}.inline-artifact__actions{justify-content:flex-end;width:100%}}[data-reveal][data-reveal-state=hidden]{opacity:0;filter:blur(6px);transform:translateY(22px)}[data-reveal][data-reveal-state=hidden],[data-reveal][data-reveal-state=shown]{transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s var(--ease)}[data-reveal][data-reveal-state=shown]{opacity:1;filter:blur();transform:none}@media 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strong{text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.problem-reference-card small{color:var(--muted);font-size:12px}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}