:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #eff6ff;--color-secondary: #64748b;--color-secondary-hover: #475569;--color-success: #10b981;--color-success-light: #d1fae5;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-danger: #ef4444;--color-danger-light: #fee2e2;--color-text-primary: #1e293b;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-bg-primary: #f8fafc;--color-bg-secondary: #f1f5f9;--color-bg-white: #ffffff;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:var(--space-6)}.card{background:var(--color-bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);padding:var(--space-6);margin-bottom:var(--space-4);transition:box-shadow var(--transition-normal),border-color var(--transition-normal)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:10px 18px;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 1px 2px #2563eb33}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #2563eb4d}.btn-secondary{background:var(--color-bg-secondary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-border);border-color:var(--color-secondary)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--color-text-secondary);padding:var(--space-2) var(--space-3)}.btn-ghost:hover:not(:disabled){background:var(--color-bg-secondary);color:var(--color-text-primary)}.btn-small{padding:6px 12px;font-size:13px}.btn-icon{padding:var(--space-2);width:36px;height:36px}.input{width:100%;padding:10px 14px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:14px;font-family:inherit;color:var(--color-text-primary);background:var(--color-bg-white);transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.input::placeholder{color:var(--color-text-muted)}.textarea{min-height:120px;resize:vertical;line-height:1.6}.form-group{margin-bottom:var(--space-5)}.form-group label{display:block;margin-bottom:var(--space-2);font-weight:600;color:var(--color-text-primary);font-size:14px}.form-group small{display:block;margin-top:var(--space-1);color:var(--color-text-muted);font-size:13px}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4)}.header{background:var(--color-bg-white);border-bottom:1px solid var(--color-border);padding:var(--space-4) var(--space-6);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff2}.header h1{font-size:18px;font-weight:600;color:var(--color-text-primary)}.header-brand{display:flex;align-items:center;gap:var(--space-3)}.header-logo{width:36px;height:36px;object-fit:contain}.header-brand-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--color-primary),#7c3aed);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}.header-user{display:flex;align-items:center;gap:var(--space-3)}.header-user-email{font-size:14px;color:var(--color-text-secondary)}.nav-link{color:var(--color-text-secondary);text-decoration:none;font-weight:500;font-size:14px;display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);transition:all var(--transition-fast)}.nav-link:hover{color:var(--color-primary);background:var(--color-primary-light);text-decoration:none}.nav-link-brand{gap:var(--space-2)}.nav-logo{width:24px;height:24px;object-fit:contain}.breadcrumb{display:flex;align-items:center;gap:var(--space-2);font-size:14px}.breadcrumb-separator{color:var(--color-text-muted)}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:4px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:500}.badge-success{background:var(--color-success-light);color:#065f46}.badge-warning{background:var(--color-warning-light);color:#92400e}.badge-danger{background:var(--color-danger-light);color:#991b1b}.badge-neutral{background:var(--color-bg-secondary);color:var(--color-text-secondary)}.status-dot{width:8px;height:8px;border-radius:var(--radius-full);display:inline-block}.status-dot-success{background:var(--color-success)}.status-dot-warning{background:var(--color-warning)}.status-dot-danger{background:var(--color-danger)}.list-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-4);border-radius:var(--radius-md);margin:0 calc(var(--space-4) * -1);transition:background var(--transition-fast)}.list-item:hover{background:var(--color-bg-secondary)}.list-item+.list-item{border-top:1px solid var(--color-border-light)}.tabs{display:flex;gap:var(--space-1);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-6);padding:0 var(--space-2)}.tab{padding:var(--space-3) var(--space-4);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;font-weight:500;font-size:14px;color:var(--color-text-secondary);transition:all var(--transition-fast);white-space:nowrap;border-radius:var(--radius-md) var(--radius-md) 0 0}.tab:hover{color:var(--color-text-primary);background:var(--color-bg-secondary)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary);background:transparent}.code-block{background:#1e293b;color:#e2e8f0;padding:var(--space-4);border-radius:var(--radius-md);font-family:JetBrains Mono,Fira Code,Monaco,Consolas,monospace;font-size:13px;overflow-x:auto;white-space:pre-wrap;word-break:break-all;line-height:1.7}.error{color:var(--color-danger);font-size:14px;display:flex;align-items:center;gap:var(--space-2)}.success{color:var(--color-success);font-size:14px;display:flex;align-items:center;gap:var(--space-2)}.alert{padding:var(--space-4);border-radius:var(--radius-md);display:flex;align-items:flex-start;gap:var(--space-3)}.alert-info{background:var(--color-primary-light);color:var(--color-primary);border:1px solid rgba(37,99,235,.2)}.alert-success{background:var(--color-success-light);color:#065f46;border:1px solid rgba(16,185,129,.2)}.alert-warning{background:var(--color-warning-light);color:#92400e;border:1px solid rgba(245,158,11,.2)}.alert-danger{background:var(--color-danger-light);color:#991b1b;border:1px solid rgba(239,68,68,.2)}.empty-state{text-align:center;padding:var(--space-12) var(--space-6)}.empty-state-icon{width:64px;height:64px;margin:0 auto var(--space-4);background:var(--color-bg-secondary);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted)}.empty-state-title{font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-2)}.empty-state-description{color:var(--color-text-secondary);margin-bottom:var(--space-6);max-width:400px;margin-left:auto;margin-right:auto}.chatbot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-4)}.chatbot-card{cursor:pointer;transition:all var(--transition-normal);position:relative;overflow:hidden}.chatbot-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-primary),#7c3aed);opacity:0;transition:opacity var(--transition-normal)}.chatbot-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.chatbot-card:hover:before{opacity:1}.chatbot-card-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-3)}.chatbot-card-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--color-primary-light),#f5f3ff);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--color-primary);flex-shrink:0}.chatbot-card-title{font-size:16px;font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-1)}.chatbot-card-meta{display:flex;align-items:center;gap:var(--space-4);color:var(--color-text-muted);font-size:13px}.chatbot-card-stat{display:flex;align-items:center;gap:var(--space-1)}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0f9ff,#e0f2fe,#f5f3ff);padding:var(--space-4)}.login-card{width:100%;max-width:420px;padding:var(--space-8)}.login-header{text-align:center;margin-bottom:var(--space-8)}.login-logo{width:56px;height:56px;background:linear-gradient(135deg,var(--color-primary),#7c3aed);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin:0 auto var(--space-4);box-shadow:0 4px 14px #2563eb4d}.login-logo svg{width:28px;height:28px;color:#fff}.login-logo-img{width:80px;height:80px;margin:0 auto var(--space-4)}.login-logo-img img{width:100%;height:100%;object-fit:contain}.login-title{font-size:24px;font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-2)}.login-subtitle{color:var(--color-text-secondary);font-size:15px}.section{margin-bottom:var(--space-8)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4)}.section-title{font-size:14px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px}.page-header{margin-bottom:var(--space-6)}.page-title{font-size:24px;font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-1)}.page-description{color:var(--color-text-secondary)}.skeleton{background:linear-gradient(90deg,var(--color-bg-secondary) 25%,var(--color-bg-primary) 50%,var(--color-bg-secondary) 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:var(--radius-md)}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.spinner{width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:spin .8s linear infinite}.spinner-sm{width:16px;height:16px}.spinner-lg{width:32px;height:32px;border-width:3px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.divider{height:1px;background:var(--color-border);margin:var(--space-6) 0}.flex{display:flex}.flex-col{flex-direction:column}.flex-between{justify-content:space-between}.flex-center{align-items:center}.flex-1{flex:1}.gap-1{gap:var(--space-1)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.mt-1{margin-top:var(--space-1)}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mb-1{margin-bottom:var(--space-1)}.mb-2{margin-bottom:var(--space-2)}.mb-3{margin-bottom:var(--space-3)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-sm{font-size:13px}.text-lg{font-size:16px}.font-medium{font-weight:500}.font-semibold{font-weight:600}.w-full{width:100%}.hidden{display:none}.tooltip{position:relative}.tooltip:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%);padding:var(--space-2) var(--space-3);background:var(--color-text-primary);color:#fff;font-size:12px;border-radius:var(--radius-md);white-space:nowrap;opacity:0;visibility:hidden;transition:all var(--transition-fast);margin-bottom:var(--space-1)}.tooltip:hover:after{opacity:1;visibility:visible}.color-picker-container{display:flex;align-items:center;gap:var(--space-3)}.color-swatch{width:40px;height:40px;border-radius:var(--radius-md);border:2px solid var(--color-border);cursor:pointer;transition:all var(--transition-fast)}.color-swatch:hover{transform:scale(1.05);box-shadow:var(--shadow-md)}.preset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-3)}.preset-card{padding:var(--space-4);border:2px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);text-align:center}.preset-card:hover{border-color:var(--color-primary);background:var(--color-primary-light)}.preset-card.active{border-color:var(--color-primary);background:var(--color-primary-light);box-shadow:0 0 0 2px var(--color-primary-light)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--color-bg-white);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{padding:var(--space-6);border-bottom:1px solid var(--color-border)}.modal-body{padding:var(--space-6)}.modal-footer{padding:var(--space-4) var(--space-6);border-top:1px solid var(--color-border);display:flex;justify-content:flex-end;gap:var(--space-3)}@media (max-width: 768px){.container{padding:var(--space-4)}.header{padding:var(--space-3) var(--space-4)}.tabs{gap:0}.tab{padding:var(--space-3);font-size:13px}.chatbot-grid,.form-row{grid-template-columns:1fr}.preset-grid{grid-template-columns:repeat(2,1fr)}}