:root{--primary: #135bec;--primary-hover: #0d4ab8;--primary-light: #eff4ff;--secondary: #eff4ff;--success: #22c55e;--success-light: #dcfce7;--danger: #ef4444;--danger-light: #fee2e2;--warning: #f59e0b;--warning-light: #fef3c7;--bg-app: #f6f6f8;--bg-card: #ffffff;--bg-dark: #101622;--text-main: #0f172a;--text-muted: #64748b;--text-inverse: #ffffff;--border-color: #e2e8f0;--sidebar-w: 260px;--sidebar-collapsed: 70px;--header-h: 64px;--radius: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-premium: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Space Grotesk,Outfit,sans-serif;background-color:var(--bg-app);color:var(--text-main);-webkit-font-smoothing:antialiased}#app{height:100vh;width:100vw;display:flex;flex-direction:column}.loader-container{position:fixed;inset:0;background:#fff;display:flex;justify-content:center;align-items:center;z-index:9999;transition:opacity .3s}.spinner{width:40px;height:40px;border:4px solid var(--secondary);border-top:4px solid var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.node-item{transition:all .2s cubic-bezier(.4,0,.2,1);position:relative}.node-item.dragging{opacity:.4;cursor:grabbing}.node-item.drag-over-top{border-top:2px solid var(--primary)!important}.node-item.drag-over-bottom{border-bottom:2px solid var(--primary)!important}.node-item.drag-over-center{background-color:var(--primary-light)!important;border:2px dashed var(--primary)!important;transform:scale(1.02)}.flex{display:flex}.col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.w-full{width:100%}.h-full{height:100%}.p-4{padding:1rem}.p-6{padding:1.5rem}.p-8{padding:2rem}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.gap-4{gap:1rem}.card{background:var(--bg-card);border-radius:var(--radius-lg);padding:1.5rem;border:1px solid var(--border-color);box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:600;cursor:pointer;border:none;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}.btn-primary-sm{background:var(--primary);color:#fff;padding:.5rem 1rem;font-size:.75rem;border-radius:.5rem;font-weight:700;transition:all .2s}.btn-primary-xs{background:var(--primary);color:#fff;padding:.35rem .75rem;font-size:.65rem;border-radius:.4rem;font-weight:800;transition:all .2s}.btn-primary-sm:hover,.btn-primary-xs:hover{filter:brightness(1.1);transform:translateY(-1px)}.input{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:var(--radius);outline:none;font-family:inherit}.input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--secondary)}.text-sm{font-size:.875rem}.text-muted{color:var(--text-muted)}.font-bold{font-weight:700}.text-center{text-align:center}@media(max-width:768px){body{overflow:auto}}