@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--bg-app:#f7f8fa;--bg-sidebar:#fff;--bg-content:#fff;--bg-card:#fff;--bg-card-hover:#f3f4f6;--bg-input:#f9fafb;--bg-input-focus:#fff;--bg-modal-overlay:#0006;--bg-hover:#f3f4f6;--bg-active:#eef2ff;--bg-badge:#f3f4f6;--bg-code:#f3f4f6;--border-color:#e5e7eb;--border-light:#f3f4f6;--border-focus:#6366f1;--border-input:#d1d5db;--accent-primary:#6366f1;--accent-primary-hover:#4f46e5;--accent-primary-light:#eef2ff;--accent-success:#10b981;--accent-success-light:#ecfdf5;--accent-warning:#f59e0b;--accent-warning-light:#fffbeb;--accent-danger:#ef4444;--accent-danger-light:#fef2f2;--accent-info:#3b82f6;--accent-info-light:#eff6ff;--text-primary:#111827;--text-secondary:#374151;--text-muted:#6b7280;--text-dim:#9ca3af;--text-on-primary:#fff;--text-link:#6366f1;--font-main:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000000d;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--sidebar-width:240px;--icon-rail-width:48px;--copilot-width:360px;--header-height:56px;--transition-fast:.15s ease;--transition-normal:.2s ease;--transition-slow:.3s ease}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-primary);font-family:var(--font-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-size:14px;line-height:1.5}#root{min-height:100vh;display:flex}.app-shell{width:100%;height:100vh;display:flex;overflow:hidden}.icon-rail{width:var(--icon-rail-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);z-index:20;flex-direction:column;flex-shrink:0;align-items:center;gap:4px;padding:12px 0;display:flex}.icon-rail-btn{border-radius:var(--radius-md);width:36px;height:36px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex;position:relative}.icon-rail-btn:hover{background:var(--bg-hover);color:var(--text-secondary)}.icon-rail-btn.active{background:var(--accent-primary-light);color:var(--accent-primary)}.icon-rail-btn.active:before{content:"";background:var(--accent-primary);border-radius:0 2px 2px 0;width:3px;height:20px;position:absolute;top:50%;left:-6px;transform:translateY(-50%)}.icon-rail-logo{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--accent-primary), #8b5cf6);color:#fff;justify-content:center;align-items:center;width:32px;height:32px;margin-bottom:12px;font-size:14px;font-weight:700;display:flex}.icon-rail-spacer{flex:1}.icon-rail-avatar{border-radius:var(--radius-full);background:var(--accent-primary-light);width:32px;height:32px;color:var(--accent-primary);cursor:pointer;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);flex-direction:column;flex-shrink:0;height:100%;display:flex;overflow-y:auto}.sidebar-header{color:var(--text-primary);border-bottom:1px solid var(--border-light);align-items:center;gap:8px;padding:16px 20px;font-size:16px;font-weight:600;display:flex}.sidebar-section-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);padding:16px 20px 6px;font-size:11px;font-weight:600}.sidebar-item{color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:8px 20px;font-size:14px;text-decoration:none;display:flex}.sidebar-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-item.active{background:var(--accent-primary-light);color:var(--accent-primary);font-weight:500}.sidebar-spacer{flex:1}.main-content{flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.page-header{height:var(--header-height);border-bottom:1px solid var(--border-color);background:var(--bg-content);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:0 24px;display:flex}.page-header-title{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:15px;font-weight:600;overflow:hidden}.page-body{flex:1;padding:24px;overflow-y:auto}.btn{border-radius:var(--radius-md);font-size:13px;font-weight:500;font-family:var(--font-main);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:1px solid #0000;align-items:center;gap:6px;padding:8px 16px;display:inline-flex}.btn-primary{background:var(--text-primary);color:var(--text-on-primary);border-color:var(--text-primary)}.btn-primary:hover{background:#374151}.btn-secondary{background:var(--bg-content);color:var(--text-secondary);border-color:var(--border-color)}.btn-secondary:hover{background:var(--bg-hover)}.btn-ghost{color:var(--text-secondary);background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--bg-hover)}.btn-accent{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.btn-accent:hover{background:var(--accent-primary-hover)}.btn-danger{background:var(--accent-danger);color:#fff;border-color:var(--accent-danger)}.btn-sm{padding:5px 10px;font-size:12px}.btn-lg{padding:10px 20px;font-size:14px}.btn-icon{justify-content:center;width:34px;height:34px;padding:7px}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-sublabel{color:var(--text-dim);font-size:12px;font-weight:400}.form-input,.form-textarea,.form-select{border:1px solid var(--border-input);border-radius:var(--radius-md);width:100%;max-width:100%;font-size:14px;font-family:var(--font-main);color:var(--text-primary);background:var(--bg-input);transition:all var(--transition-fast);outline:none;padding:9px 12px}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--border-focus);background:var(--bg-input-focus);box-shadow:0 0 0 3px #6366f11a}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-dim)}.form-textarea{resize:vertical;min-height:80px;line-height:1.6}.form-select{appearance:auto;cursor:pointer}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}.card-body{padding:20px}.card-hover:hover{border-color:var(--border-focus);box-shadow:var(--shadow-md);cursor:pointer}.badge{border-radius:var(--radius-full);align-items:center;padding:3px 10px;font-size:12px;font-weight:500;display:inline-flex}.badge-primary{background:var(--accent-primary-light);color:var(--accent-primary)}.badge-success{background:var(--accent-success-light);color:var(--accent-success)}.badge-warning{background:var(--accent-warning-light);color:var(--accent-warning)}.badge-danger{background:var(--accent-danger-light);color:var(--accent-danger)}.badge-neutral{background:var(--bg-badge);color:var(--text-muted)}.pill-group{flex-wrap:wrap;gap:6px;display:flex}.pill{border-radius:var(--radius-full);cursor:pointer;border:1px solid var(--border-color);background:var(--bg-content);color:var(--text-secondary);transition:all var(--transition-fast);padding:6px 16px;font-size:13px;font-weight:500}.pill:hover{background:var(--bg-hover)}.pill.active{background:var(--text-primary);color:var(--text-on-primary);border-color:var(--text-primary)}.toggle{background:var(--border-input);cursor:pointer;width:40px;height:22px;transition:background var(--transition-fast);border:none;border-radius:11px;flex-shrink:0;padding:0;position:relative}.toggle.active{background:var(--text-primary)}.toggle:after{content:"";width:18px;height:18px;transition:transform var(--transition-fast);box-shadow:var(--shadow-sm);background:#fff;border-radius:50%;position:absolute;top:2px;left:2px}.toggle.active:after{transform:translate(18px)}.slider{-webkit-appearance:none;background:var(--border-color);border-radius:2px;outline:none;width:100%;height:4px}.slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--text-primary);cursor:pointer;width:16px;height:16px;box-shadow:var(--shadow-sm);border:2px solid #fff;border-radius:50%}.modal-overlay{background:var(--bg-modal-overlay);z-index:100;justify-content:center;align-items:center;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-content);border-radius:var(--radius-xl);width:90%;max-width:480px;box-shadow:var(--shadow-xl);flex-direction:column;max-height:min(88vh,900px);padding:24px;animation:.2s slideUp;display:flex}.modal>.modal-header{flex-shrink:0}.modal-body{overscroll-behavior:contain;min-height:0;margin:0 -24px;padding:0 24px;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-title{font-size:18px;font-weight:600}.modal-close{border-radius:var(--radius-md);cursor:pointer;width:32px;height:32px;color:var(--text-muted);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.modal-close:hover{background:var(--bg-hover)}.modal-actions{flex-wrap:wrap;flex-shrink:0;justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.editor-layout{height:calc(100vh - var(--header-height));display:flex;overflow:hidden}.editor-sidebar{border-right:1px solid var(--border-color);flex-shrink:0;width:180px;padding:16px 0}.editor-tab-item{color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:8px 16px;font-size:14px;display:flex}.editor-tab-item:hover{background:var(--bg-hover)}.editor-tab-item.active{background:var(--bg-hover);color:var(--text-primary);font-weight:500}.editor-main{flex:1;min-width:0;padding:24px 32px;overflow-y:auto}.editor-copilot{width:var(--copilot-width);border-left:1px solid var(--border-color);background:var(--bg-content);flex-direction:column;flex-shrink:0;display:flex}.info-banner{border-radius:var(--radius-lg);border:1px solid var(--border-color);background:var(--bg-app);gap:12px;margin-bottom:20px;padding:16px;display:flex}.info-banner-icon{border-radius:var(--radius-full);background:var(--accent-info-light);width:32px;height:32px;color:var(--accent-info);flex-shrink:0;justify-content:center;align-items:center;display:flex}.table{border-collapse:collapse;width:100%}.table th{text-align:left;color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border-color);padding:10px 16px;font-size:12px;font-weight:600}.table td{border-bottom:1px solid var(--border-light);color:var(--text-secondary);padding:12px 16px;font-size:14px}.table tr:hover td{background:var(--bg-hover)}.empty-state{text-align:center;padding:48px 24px}.empty-state-icon{border-radius:var(--radius-xl);background:var(--bg-app);width:64px;height:64px;color:var(--text-dim);justify-content:center;align-items:center;margin:0 auto 16px;display:flex}.empty-state-title{margin-bottom:8px;font-size:18px;font-weight:600}.empty-state-desc{color:var(--text-muted);max-width:420px;margin:0 auto 20px;font-size:14px}.divider{background:var(--border-color);height:1px;margin:24px 0}.ai-prompt-input{border-radius:var(--radius-xl);border:1px solid var(--border-color);background:var(--bg-card);box-shadow:var(--shadow-md);transition:all var(--transition-fast);align-items:center;gap:12px;max-width:700px;margin:0 auto;padding:14px 20px;display:flex}.ai-prompt-input:focus-within{border-color:var(--border-focus);box-shadow:0 0 0 3px #6366f11a, var(--shadow-md)}.ai-prompt-input input{font-size:15px;font-family:var(--font-main);color:var(--text-primary);background:0 0;border:none;outline:none;flex:1}.ai-prompt-input input::placeholder{color:var(--text-dim)}.ai-prompt-input .submit-btn{border-radius:var(--radius-full);background:var(--text-dim);color:#fff;cursor:pointer;width:36px;height:36px;transition:background var(--transition-fast);border:none;justify-content:center;align-items:center;display:flex}.ai-prompt-input .submit-btn:hover{background:var(--text-primary)}.template-card,.agent-row{font:inherit;color:inherit;text-align:left;background:0 0;width:100%}.template-card{border:1px solid var(--border-color);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);background:var(--bg-card);padding:20px}.template-card:hover{border-color:var(--accent-primary);box-shadow:var(--shadow-md)}.template-card-icon{border-radius:var(--radius-lg);justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:12px;font-size:24px;display:flex}.template-card-title{color:var(--text-primary);margin-bottom:6px;font-size:15px;font-weight:600}.template-card-desc{color:var(--text-muted);font-size:13px;line-height:1.4}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{transform-origin:50%;animation:.9s linear infinite spin}.animate-pulse{animation:1.6s ease-in-out infinite pulse}@media (prefers-reduced-motion:reduce){.animate-spin,.animate-pulse{animation:none}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}.copilot-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.copilot-title{align-items:center;gap:6px;font-size:15px;font-weight:600;display:flex}.copilot-body{flex:1;padding:20px;overflow-y:auto}.copilot-suggestion{border-bottom:1px solid var(--border-light);cursor:pointer;color:var(--text-secondary);transition:background var(--transition-fast);padding:14px 16px;font-size:14px}.copilot-suggestion:hover{background:var(--bg-hover);color:var(--text-primary)}.copilot-input-area{border-top:1px solid var(--border-color);padding:16px 20px}.copilot-input{border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;font-size:14px;font-family:var(--font-main);resize:none;min-height:60px;color:var(--text-primary);background:var(--bg-input);outline:none;padding:12px}.copilot-input:focus{border-color:var(--border-focus)}.copilot-input::placeholder{color:var(--text-dim)}.setting-row{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:flex-start;gap:32px;padding:16px 0;display:flex}.setting-row:last-child{border-bottom:none}.setting-label{color:var(--text-primary);margin-bottom:2px;font-size:14px;font-weight:500}.setting-desc{color:var(--text-dim);font-size:13px}.setting-control{flex-shrink:0;align-items:center;gap:8px;display:flex}.section-heading{color:var(--text-primary);margin-bottom:4px;font-size:16px;font-weight:600}.section-subheading{color:var(--text-dim);margin-bottom:20px;font-size:13px}.nudge-box{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-app);align-items:center;gap:8px;margin-top:12px;padding:12px 16px;display:flex}.agent-row{border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast);align-items:center;gap:12px;padding:12px 16px;display:flex}.agent-row:hover{background:var(--bg-hover)}.agent-row-avatar{border-radius:var(--radius-md);color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;display:flex}.agent-row-info{flex:1;min-width:0}.agent-row-name{color:var(--text-primary);font-size:14px;font-weight:500}.agent-row-meta{color:var(--text-dim);font-size:12px}.agent-row-time{color:var(--text-dim);flex-shrink:0;font-size:12px}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px;border-radius:var(--radius-sm)}.btn:focus-visible,.pill:focus-visible,.toggle:focus-visible,.sidebar-item:focus-visible,.icon-rail-btn:focus-visible,.template-card:focus-visible,.agent-row:focus-visible,.form-input:focus-visible,.form-select:focus-visible,.form-textarea:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.table-scroll{-webkit-overflow-scrolling:touch;overflow-x:auto}@media (width<=1280px){:root{--copilot-width:300px;--sidebar-width:210px}}@media (width<=1080px){.editor-copilot{display:none}}@media (width<=860px){:root{--sidebar-width:200px}.icon-rail{display:none}.editor-sidebar{width:100%}.page-body{padding:16px}}@media (width<=680px){#root,.app-shell{flex-direction:column}.app-shell{width:100%;min-width:0}.sidebar{border-right:none;border-bottom:1px solid var(--border-color);flex-flow:wrap;width:100%;height:auto;max-height:30vh;overflow:auto}.sidebar-section-label,.sidebar-spacer{display:none}.sidebar-item{white-space:nowrap;width:auto}.page-header{flex-wrap:wrap;gap:8px;height:auto;padding:12px 16px}.modal{width:100%!important;max-width:100%!important}}.sidebar-flyout{top:0;left:var(--icon-rail-width);z-index:40;box-shadow:var(--shadow-xl);transition:transform var(--transition-normal), opacity var(--transition-fast);position:fixed;bottom:0}.sidebar-hidden{opacity:0;pointer-events:none;transform:translate(-100%)}@media (prefers-reduced-motion:reduce){.sidebar-flyout{transition:none}}.playground-grid{flex:1;grid-template-columns:minmax(0,1fr) 340px;gap:20px;min-height:0;display:grid}.playground-chat{flex-direction:column;min-height:0;display:flex}.playground-log{flex:1;min-height:0;overflow-y:auto}.playground-side{flex-direction:column;gap:16px;min-height:0;display:flex;overflow-y:auto}.playground-side>*{flex-shrink:0}@media (width<=1100px){.playground-grid{grid-template-rows:minmax(320px,1fr) auto;grid-template-columns:minmax(0,1fr);overflow-y:auto}.playground-side{overflow:visible}}@media (width<=900px){.page-header{height:auto;min-height:var(--header-height);flex-wrap:wrap;gap:8px;padding:10px 16px}}