*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0b0d11;--bg-secondary: #12151c;--bg-card: #1a1e28;--bg-hover: #222738;--border: rgba(255,255,255,.08);--border-light: rgba(255,255,255,.12);--text-primary: #e8edf5;--text-secondary: #8b95a6;--text-muted: #5c6572;--accent: #6366f1;--accent-hover: #818cf8;--accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);--green: #22c55e;--green-bg: rgba(34,197,94,.1);--red: #ef4444;--red-bg: rgba(239,68,68,.1);--amber: #f59e0b;--amber-bg: rgba(245,158,11,.1);--sidebar-width: 240px;--radius: 8px;--radius-lg: 12px}html,body{height:100%}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--accent-hover);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease}.btn-primary{background:var(--accent-gradient);color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 12px #6366f14d}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-light)}.btn-sm{padding:6px 12px;font-size:12px}.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover{background:#ef444433}.btn-success{background:var(--green-bg);color:var(--green);border:1px solid rgba(34,197,94,.2)}.btn-success:hover{background:#22c55e33}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-secondary);color:var(--text-primary);font-size:14px;font-family:inherit;transition:border-color .15s ease}.input:focus{outline:none;border-color:var(--accent)}.input::placeholder{color:var(--text-muted)}textarea.input{resize:vertical;min-height:80px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.card-title{font-size:16px;font-weight:600}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:999px;font-size:11px;font-weight:500}.badge-green{background:var(--green-bg);color:var(--green)}.badge-red{background:var(--red-bg);color:var(--red)}.badge-amber{background:var(--amber-bg);color:var(--amber)}.badge-blue{background:#6366f11a;color:var(--accent-hover)}.badge-success{background:var(--green-bg);color:var(--green)}.form-row{display:flex;gap:16px}.form-group{flex:1}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.card-selected{border-color:var(--accent)!important;box-shadow:0 0 0 1px var(--accent)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);padding:20px 0;display:flex;flex-direction:column;flex-shrink:0}.sidebar-logo{padding:0 20px 20px;border-bottom:1px solid var(--border);margin-bottom:12px;font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px}.sidebar-logo-icon{width:28px;height:28px;border-radius:6px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}.sidebar-nav{flex:1;padding:0 8px}.sidebar-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius);color:#e2e8f0;font-size:14px;cursor:pointer;transition:all .1s;border:none;background:none;width:100%;text-align:left}.sidebar-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-item.active{background:#6366f11a;color:var(--accent-hover)}.sidebar-item svg{width:18px;height:18px;flex-shrink:0}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.sidebar-user{font-size:13px;color:#e2e8f0}.sidebar-logout{font-size:13px;color:var(--text-secondary);cursor:pointer;background:none;border:none}.sidebar-logout:hover{color:var(--red)}.main-content{flex:1;padding:32px;overflow-y:auto;min-width:0}.page-header{margin-bottom:24px}.page-title{font-size:24px;font-weight:700;margin-bottom:4px}.page-subtitle{font-size:14px;color:var(--text-secondary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.stat-value{font-size:28px;font-weight:700;margin-bottom:4px}.stat-label{font-size:13px;color:var(--text-secondary)}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}td{padding:10px 14px;font-size:14px;border-bottom:1px solid var(--border)}tr:hover td{background:var(--bg-hover)}.tabs{display:flex;gap:2px;margin-bottom:24px;background:var(--bg-secondary);border-radius:var(--radius);padding:3px}.tab{flex:1;padding:8px 16px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;text-align:center}.tab:hover{color:var(--text-primary)}.tab.active{background:var(--bg-card);color:var(--text-primary);box-shadow:0 1px 3px #0000004d}.chat-container{display:flex;flex-direction:column;height:calc(100vh - 180px);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.chat-message{max-width:80%;padding:12px 16px;border-radius:var(--radius-lg);font-size:14px;line-height:1.6}.chat-message.user{align-self:flex-end;background:var(--accent-gradient);color:#fff;border-bottom-right-radius:4px}.chat-message.agent{align-self:flex-start;background:var(--bg-secondary);border:1px solid var(--border);border-bottom-left-radius:4px}.chat-message .meta{font-size:11px;color:var(--text-muted);margin-top:6px;display:flex;gap:8px}.chat-message.agent .meta{color:var(--text-secondary)}.chat-input-area{display:flex;gap:10px;padding:16px 20px;border-top:1px solid var(--border)}.chat-input-area input{flex:1}.chat-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;color:var(--text-muted);gap:8px}.chat-empty svg{width:48px;height:48px;opacity:.3}.upload-area{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap;margin-bottom:20px;padding:20px;background:var(--bg-secondary);border:1px dashed var(--border);border-radius:var(--radius-lg)}.upload-area.hidden{display:none}.feedback-item{padding:16px;border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:12px;background:var(--bg-card)}.feedback-item:hover{border-color:var(--border-light)}.feedback-question{font-weight:500;margin-bottom:4px}.feedback-answer{font-size:13px;color:var(--text-secondary);margin-bottom:8px}.feedback-correction{font-size:13px;color:var(--green);padding:8px;background:var(--green-bg);border-radius:var(--radius);margin-bottom:8px}.feedback-actions{display:flex;gap:8px;align-items:center}.feedback-rating{display:flex;gap:4px}.feedback-rating .star{color:var(--text-muted);cursor:pointer}.feedback-rating .star.filled{color:var(--amber)}.flex{display:flex}.flex-col{flex-direction:column}.gap-2{gap:8px}.gap-4{gap:16px}.items-center{align-items:center}.justify-between{justify-content:space-between}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.text-center{text-align:center}.text-muted{color:var(--text-secondary)}.text-sm{font-size:13px}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-muted);gap:8px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.landing{min-height:100vh;display:flex;flex-direction:column}.landing .bg-glow{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none}.landing .bg-glow:before{content:"";position:absolute;top:-30%;left:-10%;width:70%;height:80%;background:radial-gradient(ellipse at center,rgba(99,102,241,.12) 0%,transparent 70%)}.landing .bg-glow:after{content:"";position:absolute;bottom:-20%;right:-10%;width:60%;height:70%;background:radial-gradient(ellipse at center,rgba(139,92,246,.1) 0%,transparent 70%)}.landing .container{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 24px;width:100%}.landing nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.06)}.landing .logo{font-size:22px;font-weight:700;letter-spacing:-.5px;display:flex;align-items:center;gap:10px}.landing .logo-icon{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#6366f1,#8b5cf6);display:flex;align-items:center;justify-content:center;font-size:16px}.landing .nav-links{display:flex;gap:12px;align-items:center}.landing .nav-links a,.landing .nav-links button{text-decoration:none;font-size:14px;font-weight:500;padding:8px 18px;border-radius:8px;transition:all .2s;font-family:inherit}.landing .nav-links a{color:#94a3b8;cursor:pointer}.landing .nav-links a:hover{color:#e8edf5;background:#ffffff0d}.landing .hero{text-align:center;padding:100px 0 60px}.landing .hero h1{font-size:clamp(36px,5vw,64px);font-weight:800;letter-spacing:-1.5px;line-height:1.1;margin-bottom:20px}.landing .hero .gradient-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.landing .hero p{font-size:18px;color:#64748b;max-width:620px;margin:0 auto 40px;line-height:1.7}.landing .hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.landing .hero-actions .btn-primary{font-size:16px;padding:16px 36px}.landing .hero-actions .btn-secondary.hero-link{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-size:16px;padding:16px 36px;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:8px;color:#e8edf5;font-weight:600;font-family:inherit;transition:all .2s;cursor:pointer}.landing .hero-actions .btn-secondary.hero-link:hover{border-color:#fff3;background:#ffffff14}.landing .features-section{padding:80px 0}.landing .features-section h2{text-align:center;font-size:28px;font-weight:700;margin-bottom:48px;color:#f1f5f9}.landing .features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.landing .feature-card{background:#ffffff08;border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:32px;transition:all .3s}.landing .feature-card:hover{border-color:#6366f14d;transform:translateY(-2px);background:#ffffff0d}.landing .feature-card .feature-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}.landing .feature-card h3{font-size:17px;font-weight:600;margin-bottom:10px}.landing .feature-card p{font-size:14px;color:#64748b;line-height:1.6}.landing .how-it-works{padding:80px 0}.landing .how-it-works h2{text-align:center;font-size:28px;font-weight:700;margin-bottom:48px;color:#f1f5f9}.landing .steps{display:flex;gap:32px;justify-content:center;flex-wrap:wrap;align-items:flex-start}.landing .step{text-align:center;flex:1;min-width:200px;max-width:280px}.landing .step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;margin:0 auto 16px;color:#fff}.landing .step h3{font-size:16px;font-weight:600;margin-bottom:8px}.landing .step p{font-size:13px;color:#64748b;line-height:1.5}.landing .step-arrow{font-size:24px;color:#6366f1;display:flex;align-items:center;padding-top:20px}.landing .cta{text-align:center;padding:80px 0 100px}.landing .cta h2{font-size:28px;font-weight:700;margin-bottom:16px}.landing .cta p{color:#64748b;margin-bottom:32px;font-size:16px}.landing .cta-btn{font-size:16px;padding:16px 40px;text-decoration:none;font-family:inherit}.landing-footer{text-align:center;padding:32px 0;border-top:1px solid rgba(255,255,255,.06);font-size:13px;color:#475569}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.login-card{width:100%;max-width:420px;padding:40px}.login-card h1{font-size:24px;font-weight:700;text-align:center;margin-bottom:8px}.login-card .subtitle{text-align:center;color:var(--text-secondary);font-size:14px;margin-bottom:32px}.login-card .form-group{margin-bottom:20px}.login-card .form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.login-card .error{color:var(--red);font-size:13px;text-align:center;margin-bottom:16px;display:none}@media (max-width: 768px){.sidebar{width:60px}.sidebar-logo span,.sidebar-item span:last-child{display:none}.sidebar-item{justify-content:center;padding:10px}.sidebar-footer{flex-direction:column;padding:12px 10px;align-items:center;gap:6px}.sidebar-user{display:none}.sidebar-logout{font-size:11px;padding:4px 8px}.main-content{padding:16px}.landing .features-grid{grid-template-columns:1fr}.landing .hero{padding:60px 0 40px}.landing .hero h1{font-size:32px}.landing .steps{flex-direction:column;align-items:center}.landing .step-arrow{transform:rotate(90deg)}.stats-grid{grid-template-columns:1fr 1fr}}
