@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-primary:#070b14;--bg-secondary:#0d1221;--bg-card:#111827;--bg-hover:#1a2332;--border:#1e293b;--border-light:#334155;--accent:#3b82f6;--accent-hover:#60a5fa;--accent-dim:#3b82f626;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--green:#22c55e;--green-bg:#22c55e1f;--amber:#f59e0b;--amber-bg:#f59e0b1f;--red:#ef4444;--red-bg:#ef44441f;--radius:12px;--radius-sm:8px;--shadow:0 4px 24px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;overflow:auto}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{height:100vh;display:flex}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);flex-direction:column;width:300px;min-width:300px;height:100vh;display:flex;overflow:hidden}.sidebar-header{border-bottom:1px solid var(--border);flex-shrink:0;padding:24px 20px 20px}.logo{align-items:center;gap:12px;display:flex}.logo-icon{font-size:32px;line-height:1}.logo-text h1{letter-spacing:-.5px;color:var(--text-primary);font-size:20px;font-weight:700}.tagline{color:var(--text-secondary);font-size:13px;font-weight:400}.status-badges{gap:8px;margin-top:14px;display:flex}.status-badge{border-radius:20px;padding:3px 10px;font-size:11px;font-weight:500}.status-online{background:var(--green-bg);color:var(--green)}.status-offline{background:var(--amber-bg);color:var(--amber)}.sidebar-nav{flex:1;min-height:0;padding:16px 20px;overflow-y:auto}.nav-section{margin-bottom:20px}.nav-section h3{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:8px;font-size:11px;font-weight:600}.nav-section p{color:var(--text-secondary);font-size:14px;line-height:1.6}.topic-chips{flex-wrap:wrap;gap:6px;display:flex}.topic-chip{background:var(--accent-dim);color:var(--accent-hover);border:1px solid #3b82f633;border-radius:20px;padding:4px 10px;font-size:12px;font-weight:500}.tips-list{padding:0;list-style:none}.tips-list li{color:var(--text-secondary);padding:4px 0 4px 16px;font-size:13px;line-height:1.5;position:relative}.tips-list li:before{content:"→";color:var(--accent);position:absolute;left:0}.sidebar-footer{border-top:1px solid var(--border);color:var(--text-muted);flex-shrink:0;padding:14px 20px;font-size:12px}.back-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:6px;width:100%;margin-bottom:8px;padding:5px 10px;font-family:inherit;font-size:12px;transition:all .2s}.back-btn:hover{border-color:var(--border-light);color:var(--text-primary);background:var(--bg-hover)}.main-content{flex-direction:column;flex:1;min-width:0;display:flex}.chat-container{flex-direction:column;flex:1;width:100%;max-width:860px;margin:0 auto;padding:0 20px;display:flex}.messages-area{flex-direction:column;flex:1;gap:16px;padding:24px 0;display:flex;overflow-y:auto}.message{gap:12px;animation:.3s fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-avatar{background:var(--bg-card);border:1px solid var(--border);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;display:flex}.message.user .message-avatar{background:var(--accent-dim);border-color:#3b82f64d}.message-body{flex:1;min-width:0}.message-header{align-items:center;gap:8px;margin-bottom:6px;display:flex}.message-author{color:var(--text-secondary);font-size:13px;font-weight:600}.mode-tag{text-transform:uppercase;letter-spacing:.3px;border-radius:10px;padding:1px 8px;font-size:10px;font-weight:600}.mode-answer{background:var(--green-bg);color:var(--green)}.mode-clarify{background:var(--amber-bg);color:var(--amber)}.mode-refuse,.mode-error{background:var(--red-bg);color:var(--red)}.timing{color:var(--text-muted);margin-left:auto;font-family:JetBrains Mono,monospace;font-size:11px}.message-content{color:var(--text-primary);font-size:15px;line-height:1.7}.message-content p{margin-bottom:12px}.message-content p:last-child{margin-bottom:0}.message-content h2{color:var(--text-primary);margin:16px 0 8px;font-size:20px;font-weight:700}.message-content h3{color:var(--text-primary);margin:14px 0 6px;font-size:17px;font-weight:600}.message-content strong{color:var(--accent-hover);font-weight:600}.message-content ul,.message-content ol{margin:8px 0;padding-left:20px}.message-content li{color:var(--text-secondary);margin-bottom:4px}.message-content br{content:"";margin-top:4px;display:block}.sources-section{border-top:1px solid var(--border);margin-top:12px;padding-top:10px}.sources-toggle{border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;background:0 0;padding:6px 12px;font-family:inherit;font-size:12px;transition:all .2s}.sources-toggle:hover{background:var(--bg-hover);border-color:var(--border-light);color:var(--text-primary)}.sources-list{flex-direction:column;gap:6px;margin-top:8px;display:flex}.source-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;font-size:13px}.source-title{color:var(--accent-hover);margin-bottom:2px;font-weight:500;display:block}.source-details{color:var(--text-muted);flex-wrap:wrap;gap:2px;font-size:11px;display:flex}.retrieval-tag{background:var(--accent-dim);color:var(--accent);border-radius:4px;padding:0 6px;font-size:10px;font-weight:500}.typing-indicator{gap:4px;padding:12px 0;display:flex}.typing-indicator span{background:var(--text-muted);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite typing}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.3;transform:scale(.8)}30%{opacity:1;transform:scale(1)}}.input-area{border-top:1px solid var(--border);background:var(--bg-primary);padding:16px 0 20px}.input-wrapper{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);align-items:flex-end;gap:8px;padding:4px;transition:border-color 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.15s}.nps-btn:hover{border-color:var(--accent);color:var(--text-primary)}.nps-btn.selected{border-color:var(--accent);background:var(--accent-dim);color:var(--accent-hover);transform:scale(1.1)}.nps-btn.promoter.selected{border-color:var(--green);background:var(--green-bg);color:var(--green)}.nps-btn.passive.selected{border-color:var(--amber);background:var(--amber-bg);color:var(--amber)}.nps-btn.detractor.selected{border-color:var(--red);background:var(--red-bg);color:var(--red)}.nps-labels{color:var(--text-muted);justify-content:space-between;margin-top:6px;padding:0 4px;font-size:11px;display:flex}.nps-comment-area{flex-direction:column;align-items:center;gap:10px;margin-top:16px;display:flex}.feedback-comment{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;max-width:400px;color:var(--text-primary);resize:vertical;outline:none;padding:10px 12px;font-family:Inter,sans-serif;font-size:14px;transition:border-color 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h1{letter-spacing:-1.5px;margin-bottom:16px;font-size:52px;font-weight:800;line-height:1.1}.gradient-text{background:linear-gradient(135deg,#3b82f6,#60a5fa,#22c55e);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-sub{color:var(--text-secondary);max-width:560px;margin:0 auto 28px;font-size:18px;line-height:1.7}.hero-actions{margin-bottom:40px}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;font-family:inherit;font-weight:600;transition:all .2s}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-lg{padding:14px 32px;font-size:16px}.btn-secondary{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:14px 32px;font-family:inherit;font-size:16px;font-weight:600;transition:all .2s}.btn-secondary:hover{border-color:var(--border-light);color:var(--text-primary)}.hero-stats{justify-content:center;gap:32px;display:flex}.hero-stat{color:var(--text-muted);font-size:14px}.hero-stat strong{color:var(--text-primary);margin-bottom:2px;font-size:24px;display:block}.features{max-width:1100px;margin:0 auto;padding:60px 24px 80px}.features-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;display:grid}.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:border-color .2s}.feature-card:hover{border-color:var(--border-light)}.feature-icon{margin-bottom:12px;font-size:28px;display:block}.feature-card h3{margin-bottom:6px;font-size:16px;font-weight:600}.feature-card p{color:var(--text-secondary);font-size:14px;line-height:1.6}.landing-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border);padding:24px;font-size:13px}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;flex-direction:column;width:100%;max-width:700px;max-height:85vh;display:flex;box-shadow:0 24px 80px #00000080}.modal-sm{max-width:500px}.modal-tabs{border-bottom:1px solid var(--border);padding:0;display:flex}.modal-tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:14px 16px;font-family:inherit;font-size:14px;font-weight:600;transition:all .2s}.modal-tab.active{color:var(--accent-hover);border-bottom-color:var(--accent)}.modal-body{flex:1;padding:20px 24px;overflow-y:auto}.legal-text h2{margin-bottom:8px;font-size:20px}.legal-text h3{color:var(--text-primary);margin:16px 0 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pulse-warn{0%,to{opacity:1}50%{opacity:.5}}.timer-warn-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:999;background:#000c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.timer-warn-card{background:var(--bg-secondary);border:1px solid var(--border);text-align:center;border-radius:16px;width:100%;max-width:460px;padding:40px;box-shadow:0 24px 80px #00000080}.timer-warn-icon{margin-bottom:16px;font-size:48px}.timer-warn-card h2{margin-bottom:8px;font-size:24px;font-weight:700}.timer-warn-card p{color:var(--text-secondary);margin-bottom:24px;font-size:15px;line-height:1.6}.timer-warn-actions{flex-direction:column;gap:10px;display:flex}.feedback-thanks{text-align:center;padding:24px}.thanks-icon{margin-bottom:8px;font-size:48px}.feedback-thanks h3{margin-bottom:6px;font-size:20px;font-weight:700}.feedback-thanks p{color:var(--text-secondary);font-size:14px;line-height:1.5}@media (width<=768px){.sidebar{display:none}.app-container{flex-direction:column}.main-content{height:100vh}.chat-container{padding:0 12px}.message-content{font-size:14px}.input-area{padding:12px 0 16px}.hero h1{font-size:32px}.hero-sub{font-size:16px}.hero-stats{flex-direction:column;gap:12px}.features-grid{grid-template-columns:1fr}.modal{max-width:100%;max-height:90vh;margin:10px}.modal-tab{padding:10px 8px;font-size:12px}}