.demo-app{--bg:#fafaf9;--bg-surface:#ffffff;--bg-card:#ffffff;--bg-elevated:#f5f5f4;--border:rgba(28,25,23,0.08);--border-hover:rgba(28,25,23,0.16);--text:#1c1917;--text-secondary:#57534e;--text-muted:#a8a29e;--teal:#FF4F00;--teal-light:#ff6a2a;--teal-dark:#e64500;--green:#16a34a;--red:#dc2626;--font-sans:var(--font-outfit),system-ui,-apple-system,sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--glow:0 10px 40px rgba(28,25,23,0.06);font-family:var(--font-sans);background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}.demo-app .demo-status-bar{display:flex;align-items:center;justify-content:flex-end;padding:8px 28px;border-bottom:1px solid var(--border);background:rgba(250,250,249,.85);backdrop-filter:blur(20px) saturate(1.2);-webkit-backdrop-filter:blur(20px) saturate(1.2);position:-webkit-sticky;position:sticky;top:60px;z-index:10}.demo-app .connected{display:flex;align-items:center;gap:10px}.demo-app .connected-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px rgba(34,197,94,.5)}.demo-app .connected-text{font-size:13px;color:var(--green);font-weight:500}.demo-app .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 20px;border:none;border-radius:10px;font-family:var(--font-sans);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.demo-app .btn-primary{background:var(--teal);color:white;box-shadow:0 1px 2px rgba(28,25,23,.06),0 4px 12px rgba(2,132,199,.2)}.demo-app .btn-primary:hover:not(:disabled){background:var(--teal-light);box-shadow:0 2px 6px rgba(28,25,23,.08),0 6px 16px rgba(2,132,199,.25);transform:translateY(-1px)}.demo-app .btn-primary:active:not(:disabled){transform:translateY(0)}.demo-app .btn-primary:disabled{opacity:.4;cursor:not-allowed}.demo-app .btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.demo-app .btn-ghost:hover{border-color:var(--border-hover);color:var(--text);background:rgba(28,25,23,.03)}.demo-app .btn-lg{padding:14px 36px;font-size:16px;font-weight:600;border-radius:12px}.demo-app .error-banner{display:flex;align-items:center;justify-content:space-between;padding:12px 28px;background:rgba(239,68,68,.08);border-bottom:1px solid rgba(239,68,68,.15);color:var(--red);font-size:13px}.demo-app .error-banner button{background:none;border:none;color:var(--red);cursor:pointer;font-size:18px}.demo-app .main{flex:1 1;max-width:840px;margin:0 auto;width:100%;padding:40px 28px 0}.demo-app .connect-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:65vh;padding:120px 0 60px;position:relative}.demo-app .connect-page:before{content:"";position:absolute;top:10%;left:50%;transform:translateX(-50%);width:500px;height:500px;background:radial-gradient(circle,rgba(14,165,233,.06) 0,transparent 70%);pointer-events:none}.demo-app .connect-card{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:560px;width:100%;margin:0 auto;position:relative}.demo-app .connect-flow-visual{display:flex;align-items:flex-start;gap:0;margin-bottom:36px;padding:24px 0}.demo-app .connect-flow-node{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:72px}.demo-app .connect-flow-node span{font-size:11px;font-weight:600;color:var(--text-secondary);letter-spacing:-.01em}.demo-app .connect-flow-node small{font-size:9px;color:var(--text-muted);margin-top:-2px}.demo-app .connect-flow-icon{width:44px;height:44px;border-radius:12px;background:var(--bg-elevated);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all .3s}.demo-app .connect-flow-node-highlight .connect-flow-icon{background:rgba(14,165,233,.1);border-color:rgba(14,165,233,.3);color:var(--teal);box-shadow:0 0 20px rgba(14,165,233,.12)}.demo-app .connect-flow-node-highlight span{color:var(--teal-light)}.demo-app .connect-flow-node-highlight small{color:var(--teal)}.demo-app .connect-flow-line{position:relative;width:48px;height:2px;background:var(--border);margin-top:21px;overflow:hidden;border-radius:1px}.demo-app .connect-flow-pulse{position:absolute;top:0;left:0;width:16px;height:100%;background:linear-gradient(90deg,transparent,var(--teal),transparent);animation:flow-move 2s ease-in-out infinite}.demo-app .connect-flow-pulse-2{animation-delay:.4s}.demo-app .connect-flow-pulse-3{animation-delay:.8s}@keyframes flow-move{0%{left:-16px;opacity:0}50%{opacity:1}to{left:48px;opacity:0}}.demo-app .connect-capabilities{margin-top:32px;width:100%}.demo-app .connect-capabilities h3{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:12px;font-weight:600}.demo-app .connect-caps-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;text-align:left}.demo-app .connect-cap{display:flex;flex-direction:column;gap:3px;padding:12px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px}.demo-app .connect-cap strong{font-size:12px;font-weight:600;color:var(--text)}.demo-app .connect-cap span{font-size:11px;color:var(--text-muted);line-height:1.4}.demo-app .connect-install-links{display:flex;gap:10px;margin-top:10px;justify-content:center}.demo-app .connect-card h2{font-size:26px;font-weight:700;margin-bottom:14px;letter-spacing:-.03em;color:var(--text)}.demo-app .connect-card p{color:var(--text-secondary);margin-bottom:36px;line-height:1.75;font-size:15px}.demo-app .connect-features{margin-top:40px;display:inline-flex;flex-direction:column;gap:14px;text-align:left}.demo-app .connect-feature{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-secondary)}.demo-app .feature-check{color:var(--green);font-weight:600;font-size:15px}.demo-app .connect-install{margin-top:40px;font-size:13px;color:var(--text-muted)}.demo-app .connect-install a{color:var(--teal);text-decoration:none;font-weight:500}.demo-app .connect-install a:hover{text-decoration:underline}.demo-app .connect-options{display:flex;flex-direction:column;gap:12px;width:100%;max-width:320px;margin:0 auto}.demo-app .connect-options .btn{display:flex;align-items:center;justify-content:center;gap:10px}.demo-app .btn-secondary{background:var(--bg-card);border:1px solid var(--border);color:var(--text)}.demo-app .btn-secondary:hover{background:var(--bg-hover)}.demo-app .pairing-qr{margin:24px 0;display:flex;justify-content:center}.demo-app .pairing-code-box{display:flex;align-items:center;gap:8px;background:var(--bg-main);border:1px solid var(--border);border-radius:8px;padding:8px 12px;margin-bottom:24px}.demo-app .pairing-code{font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1}.demo-app .btn-sm{padding:4px 10px;font-size:12px}.demo-app .pairing-status{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:14px;margin-bottom:16px}.demo-app .pairing-spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.demo-app .chat{display:flex;flex-direction:column;height:calc(100vh - 65px)}.demo-app .chat-header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--border)}.demo-app .provider-select{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.demo-app .provider-select select{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:6px 10px;font-family:var(--font-sans);font-size:13px}.demo-app .session-info{font-size:12px;color:var(--text-muted)}.demo-app .session-info code{font-family:var(--font-mono);background:var(--bg-card);padding:2px 6px;border-radius:4px}.demo-app .chat-messages{flex:1 1;overflow-y:auto;padding:24px 0}.demo-app .chat-empty{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;min-height:100%;padding-top:32px;text-align:center;color:var(--text-secondary)}.demo-app .chat-empty-sub{font-size:12px;color:var(--text-muted);margin-top:8px}.demo-app .message{display:flex;gap:14px;margin-bottom:22px}.demo-app .message-avatar{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0}.demo-app .message-user .message-avatar{background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:white}.demo-app .message-assistant .message-avatar{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary)}.demo-app .message-content{flex:1 1;min-width:0}.demo-app .message-content p{font-size:14px;line-height:1.75;white-space:pre-wrap;word-break:break-word}.demo-app .message-user .message-content p{color:var(--text)}.demo-app .message-assistant .message-content p{color:var(--text-secondary)}.demo-app .typing-indicator{display:flex;gap:4px;padding:4px 0}.demo-app .typing-indicator span{width:6px;height:6px;border-radius:50%;background:var(--teal);opacity:.4;animation:demo-typing 1.4s ease-in-out infinite}.demo-app .typing-indicator span:nth-child(2){animation-delay:.2s}.demo-app .typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes demo-typing{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.demo-app .message-streaming .message-content:after{content:"\25CB";display:inline;animation:cursor-blink .6s steps(2) infinite;color:var(--teal);margin-left:2px;font-size:12px}@keyframes cursor-blink{0%{opacity:1}50%{opacity:0}}.demo-app .message-content 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h2{font-size:32px;font-weight:700;margin-bottom:14px;letter-spacing:-.03em;color:var(--text)}.demo-app .code-desc{color:var(--text-secondary);margin-bottom:40px;max-width:520px;line-height:1.75;font-size:15px}.demo-app .code-window{border-radius:14px;border:1px solid var(--border);background:#ffffff;overflow:hidden;margin-bottom:28px;box-shadow:var(--glow),0 20px 40px rgba(28,25,23,.06)}.demo-app .code-titlebar{display:flex;align-items:center;gap:6px;padding:13px 18px;background:var(--bg-elevated);border-bottom:1px solid var(--border)}.demo-app .code-dot{width:10px;height:10px;border-radius:50%}.demo-app .code-dot.red{background:#ff5f57}.demo-app .code-dot.yellow{background:#febc2e}.demo-app .code-dot.green{background:#28c840}.demo-app .code-filename{margin-left:8px;font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}.demo-app .code-body{padding:22px;overflow-x:auto}.demo-app .code-body code{font-family:var(--font-mono);font-size:13px;line-height:1.75;color:var(--text-secondary)}.demo-app .code-tabs{display:flex;gap:6px;margin-bottom:20px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.demo-app .code-tabs::-webkit-scrollbar{display:none}.demo-app .code-tab{padding:8px 16px;border:1px solid var(--border);border-radius:10px;background:transparent;color:var(--text-muted);font-family:var(--font-sans);font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .2s}.demo-app .code-tab:hover{border-color:var(--border-hover);color:var(--text-secondary)}.demo-app .code-tab-active{background:var(--teal);border-color:var(--teal);color:white;box-shadow:0 4px 12px rgba(2,132,199,.2)}.demo-app .code-tab-active:hover{background:var(--teal-light);border-color:var(--teal-light);color:white}.demo-app .code-tab-desc{color:var(--text-secondary);font-size:14px;line-height:1.75;margin-bottom:24px;max-width:600px}.demo-app .code-links{display:flex;gap:12px}.demo-app .relay-log{border:1px solid var(--border);border-radius:10px;background:var(--bg-surface);overflow:hidden}.demo-app .relay-log-header{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--bg-elevated)}.demo-app .relay-step{display:flex;align-items:center;gap:8px;padding:7px 14px;font-size:12px;border-bottom:1px solid var(--border);font-family:var(--font-mono)}.demo-app .relay-step:last-child{border-bottom:none}.demo-app .relay-arrow{font-size:14px;width:16px;text-align:center;flex-shrink:0}.demo-app .relay-step-client .relay-arrow{color:var(--teal)}.demo-app .relay-step-server .relay-arrow{color:#a78bfa}.demo-app .relay-from{font-size:11px;font-weight:500;width:60px;flex-shrink:0;font-family:var(--font-sans)}.demo-app .relay-step-client .relay-from{color:var(--teal)}.demo-app .relay-step-server .relay-from{color:#a78bfa}.demo-app .relay-type{font-size:11px;padding:1px 6px;border-radius:4px;flex-shrink:0;background:rgba(28,25,23,.05);color:var(--text-muted)}.demo-app .relay-type-hello{color:var(--green);background:rgba(34,197,94,.08)}.demo-app .relay-type-request{color:var(--teal);background:rgba(14,165,233,.08)}.demo-app .relay-type-meta{color:#fbbf24;background:rgba(251,191,36,.08)}.demo-app .relay-type-chunk{color:var(--text-muted)}.demo-app .relay-type-done{color:var(--green);background:rgba(34,197,94,.08)}.demo-app .relay-type-error{color:var(--red);background:rgba(239,68,68,.08)}.demo-app .relay-preview{color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.demo-app .footer{display:flex;align-items:center;justify-content:space-between;padding:22px 28px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}.demo-app .footer a{color:var(--teal);text-decoration:none;font-weight:500}.demo-app .footer a:hover{color:var(--teal-light)}@media (max-width:640px){.demo-app .header{gap:12px;align-items:flex-start}.demo-app .chat-input,.demo-app .code-links,.demo-app .header{flex-direction:column}.demo-app .code-example h2{font-size:24px}.demo-app .connect-card h2{font-size:22px}.demo-app .connect-flow-visual{gap:0}.demo-app .connect-flow-line{width:24px}.demo-app .connect-flow-node{min-width:56px}.demo-app .chat-suggestions,.demo-app .connect-caps-grid{grid-template-columns:1fr}.demo-app .connect-install-links{flex-direction:column}.demo-app .session-grid{grid-template-columns:1fr}}