@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";
:root{--brand-primary:#6366f1;--brand-secondary:#8b5cf6;--brand-accent:#ec4899;--brand-gradient:linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);--bg-base:#f8fafc;--bg-surface:#fff;--bg-elevated:#f1f5f9;--bg-overlay:#ffffffe6;--border-subtle:#00000012;--border-default:#0000001f;--border-strong:#0003;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--text-on-brand:#fff;--canvas-bg:#f1f5f9;--canvas-dot:#5a647338;--sidebar-bg:#fff;--sidebar-border:#00000012;--node-bg:#fff;--node-border:#0000001a;--node-shadow:0 4px 16px #00000014;--node-shadow-hover:0 8px 32px #6366f133;--input-bg:#f8fafc;--input-border:#0000001f;--input-focus:#6366f14d;--status-success:#10b981;--status-warning:#f59e0b;--status-error:#ef4444;--status-info:#3b82f6;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 16px #00000014;--shadow-lg:0 8px 32px #0000001f;--shadow-xl:0 20px 60px #00000029;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--transition-fast:.12s ease;--transition-base:.2s ease;--transition-slow:.35s ease;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", monospace}[data-theme=dark]{--bg-base:#0a0e1c;--bg-surface:#111827;--bg-elevated:#1e2535;--bg-overlay:#111827eb;--border-subtle:#ffffff0d;--border-default:#ffffff1a;--border-strong:#fff3;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-tertiary:#475569;--text-on-brand:#fff;--canvas-bg:#0d1220;--canvas-dot:#a0aab924;--sidebar-bg:#111827;--sidebar-border:#ffffff0f;--node-bg:#141c2e;--node-border:#ffffff14;--node-shadow:0 4px 16px #0006;--node-shadow-hover:0 8px 32px #6366f14d;--input-bg:#1e2535;--input-border:#ffffff1a;--input-focus:#6366f166;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-xl:0 20px 60px #0009}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-slow), color var(--transition-slow);font-size:14px;line-height:1.5}#__next,.app-root{height:100%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.app-shell{height:100vh;display:flex;overflow:hidden}.main-sidebar{background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);z-index:10;width:240px;min-width:240px;transition:background var(--transition-slow);flex-direction:column;display:flex;overflow-y:auto}.main-content{flex-direction:column;flex:1;display:flex;overflow:hidden}.sidebar-logo{box-sizing:border-box;border-bottom:1px solid var(--sidebar-border);flex-shrink:0;align-items:center;height:56px;padding:0 16px;display:flex}.sidebar-logo-mark{align-items:center;gap:10px;text-decoration:none;display:flex}.logo-icon{background:var(--brand-gradient);border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.logo-text{color:var(--text-primary);letter-spacing:-.3px;font-size:16px;font-weight:700}.logo-text span{background:var(--brand-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.sidebar-nav{flex:1;padding:12px 10px}.nav-section-label{letter-spacing:.8px;text-transform:uppercase;color:var(--text-tertiary);padding:12px 10px 6px;font-size:10px;font-weight:600}.nav-item{border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:9px 12px;font-size:13.5px;font-weight:500;text-decoration:none;display:flex;position:relative;overflow:hidden}.nav-item:hover{background:var(--bg-elevated);color:var(--text-primary)}.nav-item.active{color:var(--brand-primary);background:linear-gradient(135deg,#6366f126,#8b5cf61a);font-weight:600}.nav-item.active:before{content:"";background:var(--brand-gradient);border-radius:0 3px 3px 0;width:3px;position:absolute;top:20%;bottom:20%;left:0}.nav-badge{background:var(--brand-primary);color:#fff;border-radius:999px;margin-left:auto;padding:2px 7px;font-size:10px;font-weight:700}.sidebar-footer{border-top:1px solid var(--sidebar-border);padding:12px 10px}.topbar{border-bottom:1px solid var(--border-subtle);background:var(--bg-surface);flex-shrink:0;align-items:center;gap:12px;height:56px;padding:0 24px;display:flex}.topbar-title{color:var(--text-primary);font-size:16px;font-weight:600}.topbar-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:13.5px;font-weight:600;line-height:1;text-decoration:none;display:inline-flex}.btn-primary{background:var(--brand-gradient);color:#fff;border-color:#0000;box-shadow:0 2px 8px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #6366f166}.btn-primary:active{transform:none}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border-color:var(--border-default)}.btn-secondary:hover{background:var(--border-subtle);border-color:var(--border-strong)}.btn-ghost{color:var(--text-secondary);background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--bg-elevated);color:var(--text-primary)}.btn-danger{color:var(--status-error);background:#ef44441a;border-color:#ef444433}.btn-danger:hover{background:#ef444433}.btn-sm{padding:5px 10px;font-size:12px}.btn-icon{width:34px;height:34px;padding:0}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-base)}.card-hover:hover{border-color:var(--border-default);box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-body{padding:20px}.card-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.card-title{color:var(--text-primary);font-size:14px;font-weight:600}.form-group{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.form-label{color:var(--text-secondary);letter-spacing:.1px;font-size:12.5px;font-weight:600}.form-input{background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--radius-md);color:var(--text-primary);font-size:13.5px;font-family:var(--font-sans);transition:all var(--transition-fast);outline:none;width:100%;padding:9px 13px}.form-input:focus{border-color:var(--brand-primary);box-shadow:0 0 0 3px var(--input-focus)}.form-input::placeholder{color:var(--text-tertiary)}textarea.form-input{resize:vertical;min-height:80px;font-family:var(--font-mono);font-size:12.5px}select.form-input{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:32px}.badge{letter-spacing:.2px;border-radius:999px;align-items:center;gap:4px;padding:3px 9px;font-size:11px;font-weight:600;display:inline-flex}.badge-success{color:var(--status-success);background:#10b9811f;border:1px solid #10b98140}.badge-warning{color:var(--status-warning);background:#f59e0b1f;border:1px solid #f59e0b40}.badge-error{color:var(--status-error);background:#ef44441f;border:1px solid #ef444440}.badge-info{color:var(--brand-primary);background:#6366f11f;border:1px solid #6366f140}.badge-draft{color:var(--text-secondary);border:1px solid var(--border-default);background:#64748b1f}.dashboard-page{background:var(--bg-base);height:100%;padding:28px;overflow-y:auto}.page-heading{margin-bottom:24px}.page-heading h1{color:var(--text-primary);letter-spacing:-.3px;font-size:22px;font-weight:700}.page-heading p{color:var(--text-secondary);margin-top:4px;font-size:13.5px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:28px;display:grid}.stat-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:all var(--transition-base);align-items:flex-start;gap:14px;padding:20px;display:flex}.stat-card:hover{border-color:var(--border-default);box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.stat-content{flex:1}.stat-value{letter-spacing:-.5px;color:var(--text-primary);font-size:24px;font-weight:800}.stat-label{color:var(--text-secondary);margin-top:2px;font-size:12px;font-weight:500}.workflows-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:16px;display:grid}.workflow-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);padding:20px;position:relative;overflow:hidden}.workflow-card:before{content:"";background:var(--brand-gradient);opacity:0;height:3px;transition:opacity var(--transition-base);position:absolute;top:0;left:0;right:0}.workflow-card:hover{box-shadow:var(--node-shadow-hover);border-color:#6366f14d;transform:translateY(-3px)}.workflow-card:hover:before{opacity:1}.workflow-card-name{color:var(--text-primary);margin-bottom:4px;font-size:15px;font-weight:600}.workflow-card-desc{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:14px;font-size:12.5px;display:-webkit-box;overflow:hidden}.workflow-card-meta{justify-content:space-between;align-items:center;display:flex}.workflow-card-actions{opacity:0;transition:opacity var(--transition-fast);gap:6px;display:flex}.workflow-card:hover .workflow-card-actions{opacity:1}.editor-shell{flex:1;height:100%;display:flex;overflow:hidden}.editor-toolbar{background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);flex-shrink:0;align-items:center;gap:8px;height:56px;padding:0 16px;display:flex}.editor-canvas{background:var(--canvas-bg);flex:1;position:relative}.node-palette{background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);width:260px;min-width:260px;padding:12px;overflow-y:auto}.node-panel{background:var(--sidebar-bg);border-left:1px solid var(--sidebar-border);flex-direction:column;width:300px;min-width:300px;display:flex;overflow-y:auto}.palette-section{margin-bottom:16px}.palette-section-heading{letter-spacing:.6px;text-transform:uppercase;color:var(--text-tertiary);align-items:center;gap:8px;margin-bottom:6px;padding:6px 8px;font-size:11px;font-weight:700;display:flex}.palette-node-item{border-radius:var(--radius-md);cursor:grab;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;border:1px solid #0000;align-items:center;gap:10px;padding:9px 10px;display:flex}.palette-node-item:hover{background:var(--bg-elevated);border-color:var(--border-default)}.palette-node-item:active{cursor:grabbing;transform:scale(.97)}.palette-node-icon{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;display:flex}.palette-node-info{flex:1;overflow:hidden}.palette-node-label{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;font-weight:600;overflow:hidden}.palette-node-desc{color:var(--text-tertiary);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.wf-node{background:var(--node-bg);border:1.5px solid var(--node-border);border-radius:var(--radius-lg);box-shadow:var(--node-shadow);min-width:180px;max-width:260px;font-family:var(--font-sans);transition:all var(--transition-fast);overflow:hidden}.wf-node:hover{box-shadow:var(--node-shadow-hover)}.wf-node.selected{border-color:var(--brand-primary);box-shadow:0 0 0 2px #6366f140, var(--node-shadow-hover)}.wf-node-header{border-bottom:1px solid var(--node-border);align-items:center;gap:8px;padding:10px 12px;display:flex}.wf-node-icon{border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;display:flex}.wf-node-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12.5px;font-weight:700;overflow:hidden}.wf-node-status{border-radius:50%;flex-shrink:0;width:8px;height:8px}.wf-node-status.idle{background:var(--text-tertiary)}.wf-node-status.running{background:var(--status-info);animation:1s infinite pulse}.wf-node-status.success{background:var(--status-success)}.wf-node-status.error{background:var(--status-error)}.wf-node-body{padding:10px 12px}.wf-node-desc{color:var(--text-secondary);font-size:11px;line-height:1.4}.react-flow__background{background:var(--canvas-bg)!important}.react-flow__edge-path{opacity:.7;stroke:var(--brand-primary)!important;stroke-width:1.5px!important}.react-flow__edge.selected .react-flow__edge-path{opacity:1;stroke:var(--brand-primary)!important}.react-flow__edge-label{font-size:11px;font-family:var(--font-sans);fill:var(--text-secondary)}.react-flow__handle{border:2.5px solid var(--node-bg)!important;width:12px!important;height:12px!important;transition:transform var(--transition-fast), box-shadow var(--transition-fast)!important;cursor:crosshair!important;border-radius:50%!important}.react-flow__handle:hover{transform:scale(1.5)!important;box-shadow:0 0 0 3px #6366f159!important}.react-flow__handle.connectingfrom,.react-flow__handle.valid{transform:scale(1.6)!important;box-shadow:0 0 0 4px #6366f180!important}.react-flow__minimap{overflow:hidden;border-radius:var(--radius-md)!important;border:1px solid var(--border-default)!important;background:var(--bg-surface)!important}.react-flow__controls{overflow:hidden;border-radius:var(--radius-md)!important;border:1px solid var(--border-default)!important;box-shadow:var(--shadow-md)!important}.react-flow__controls button{background:var(--bg-surface)!important;color:var(--text-secondary)!important;border-color:var(--border-subtle)!important}.react-flow__controls button:hover{background:var(--bg-elevated)!important;color:var(--text-primary)!important}.react-flow__panel{font-family:var(--font-sans)}.node-panel-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:16px;display:flex}.node-panel-title{color:var(--text-primary);font-size:14px;font-weight:700}.node-panel-body{flex:1;padding:16px;overflow-y:auto}.settings-page{max-width:720px;height:100%;padding:28px;overflow-y:auto}.settings-section{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);margin-bottom:20px;overflow:hidden}.settings-section-header{border-bottom:1px solid var(--border-subtle);align-items:center;gap:10px;padding:18px 24px;display:flex}.settings-section-icon{border-radius:var(--radius-sm);background:linear-gradient(135deg,#6366f126,#8b5cf61a);justify-content:center;align-items:center;width:32px;height:32px;display:flex}.settings-section-title{color:var(--text-primary);font-size:14px;font-weight:700}.settings-section-body{padding:24px}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:20px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:480px;animation:.2s slideUp}.modal-header{justify-content:space-between;align-items:center;padding:20px 24px 16px;display:flex}.modal-title{color:var(--text-primary);font-size:17px;font-weight:700}.modal-body{padding:0 24px}.modal-footer{justify-content:flex-end;gap:8px;padding:20px 24px;display:flex}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.empty-state-icon{background:var(--bg-elevated);border-radius:var(--radius-xl);width:64px;height:64px;color:var(--text-tertiary);justify-content:center;align-items:center;margin-bottom:16px;display:flex}.empty-state-title{color:var(--text-primary);margin-bottom:6px;font-size:16px;font-weight:700}.empty-state-desc{color:var(--text-secondary);max-width:300px;margin-bottom:20px;font-size:13px}.execution-item{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-surface);transition:all var(--transition-fast);align-items:center;gap:12px;margin-bottom:8px;padding:12px;display:flex}.execution-item:hover{border-color:var(--border-default);background:var(--bg-elevated)}.execution-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.theme-toggle{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:2px;display:flex}.theme-option{border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;align-items:center;gap:4px;padding:6px 12px;font-size:12px;font-weight:600;display:flex}.theme-option.active{background:var(--bg-surface);color:var(--text-primary);box-shadow:var(--shadow-sm)}.search-bar{align-items:center;display:flex;position:relative}.search-icon{color:var(--text-tertiary);pointer-events:none;position:absolute;left:10px}.search-input{padding-left:34px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)scale(.97)}to{opacity:1;transform:none}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:1s linear infinite spin}.divider{background:var(--border-subtle);height:1px;margin:12px 0}.page-enter{animation:.2s fadeIn}[data-tooltip]{position:relative}[data-tooltip]:after{content:attr(data-tooltip);background:var(--text-primary);color:var(--bg-surface);white-space:nowrap;border-radius:var(--radius-sm);pointer-events:none;opacity:0;transition:opacity var(--transition-fast);z-index:100;padding:4px 8px;font-size:11px;font-weight:500;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%)}[data-tooltip]:hover:after{opacity:1}.hero-gradient{background:var(--brand-gradient);border-radius:var(--radius-lg);color:#fff;margin-bottom:28px;padding:24px;position:relative;overflow:hidden}.hero-gradient:after{content:"";background:#ffffff12;border-radius:50%;width:200px;height:200px;position:absolute;top:-40%;right:-10%}.hero-gradient:before{content:"";background:#ffffff0d;border-radius:50%;width:140px;height:140px;position:absolute;bottom:-30%;right:15%}.hero-title{letter-spacing:-.4px;margin-bottom:6px;font-size:20px;font-weight:800;position:relative}.hero-subtitle{opacity:.85;font-size:13.5px;position:relative}@media (max-width:768px){.main-sidebar{width:56px!important;min-width:56px!important}.sidebar-logo-mark span,.nav-item span,.nav-section-label,.sidebar-footer .user-info{display:none!important}.nav-item{justify-content:center;padding:10px 0!important}.stats-grid{grid-template-columns:1fr 1fr}.workflows-grid{grid-template-columns:1fr}.dashboard-page{padding:16px}.topbar{gap:8px;padding:0 12px}.topbar-title{font-size:14px}.topbar-actions{gap:6px}table{-webkit-overflow-scrolling:touch;display:block;overflow-x:auto}}@media (max-width:480px){.auth-card,[class*=auth-]{margin:12px;border-radius:var(--radius-lg)!important;padding:20px 16px!important}.stats-grid{grid-template-columns:1fr;gap:10px}.plans-grid,[class*=plan-grid]{flex-direction:column!important}.auth-submit-btn{width:100%}.topbar-actions .btn-secondary{display:none}.topbar-actions .btn-primary{padding:5px 10px;font-size:12px}}@media (max-width:768px){.editor-shell{display:none}.mobile-canvas-guard{text-align:center;color:var(--text-tertiary);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:32px;display:flex}}@media (min-width:769px){.mobile-canvas-guard{display:none}}@keyframes skeleton-shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-surface) 50%, var(--bg-elevated) 75%);border-radius:var(--radius-sm);background-size:800px 100%;animation:1.4s ease-in-out infinite skeleton-shimmer}.skeleton-text{border-radius:6px;height:12px}.skeleton-text-sm{border-radius:5px;height:10px}.skeleton-text-lg{border-radius:8px;height:16px}.skeleton-circle{border-radius:50%;flex-shrink:0}.skeleton-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:20px;overflow:hidden}.skeleton-stat{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);align-items:flex-start;gap:14px;padding:20px;display:flex}.skeleton-row{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-surface);align-items:center;gap:10px;margin-bottom:8px;padding:12px;display:flex}