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var(--space-4);border-bottom:1px solid var(--color-border);background:#f0fdf4;flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.chat-panel-header-left{align-items:center;gap:var(--space-3);display:flex}.chat-panel-avatar{border-radius:var(--radius-md);border:1px solid var(--color-primary);color:#166534;background:#dcfce7;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.chat-panel-title{font-size:var(--text-sm);color:var(--color-foreground);letter-spacing:-.01em;font-weight:700;line-height:1.2}.chat-panel-subtitle{font-size:var(--text-xs);color:var(--color-muted-fg);font-weight:500}.chat-close-btn{border-radius:var(--radius-md);width:30px;height:30px;padding:0}.chat-messages{padding:var(--space-4);gap:var(--space-3);flex-direction:column;flex:1;display:flex;overflow-y:auto}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-track{background:0 0}.chat-messages::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:2px}.chat-msg{gap:var(--space-2);max-width:90%;animation:fadeUp .2s var(--ease-out) both;display:flex}.chat-msg-user{flex-direction:row-reverse;align-self:flex-end}.chat-msg-bot{align-self:flex-start}.chat-msg-icon{border-radius:var(--radius-full);flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;margin-top:2px;display:flex}.chat-msg-user .chat-msg-icon{background:var(--color-muted);color:var(--color-fg-secondary)}.chat-msg-bot .chat-msg-icon{color:#166534;background:#dcfce7}.chat-msg-bubble{padding:var(--space-2) var(--space-3);border-radius:var(--radius-lg);font-size:var(--text-sm);white-space:pre-wrap;word-break:break-word;line-height:1.5}.chat-msg-user .chat-msg-bubble{background:var(--color-muted);color:var(--color-foreground);border:1px solid var(--color-border);border-bottom-right-radius:var(--radius-sm)}.chat-msg-bot .chat-msg-bubble{color:var(--color-foreground);border-bottom-left-radius:var(--radius-sm);background:#f0fdf4;border:1px solid #bbf7d0}.chat-msg-success .chat-msg-bubble{background:#dcfce7;border-color:#86efac}.chat-msg-error .chat-msg-bubble{background:var(--color-destructive-soft);color:#991b1b;border-color:#fecaca}.chat-msg-bubble strong{font-weight:700}.chat-typing{padding:var(--space-3) var(--space-4);align-items:center;gap:4px;min-height:36px;display:flex}.chat-dot{background:#86efac;border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite chatBounce}.chat-dot:nth-child(2){animation-delay:.15s}.chat-dot:nth-child(3){animation-delay:.3s}@keyframes chatBounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-6px)}}.chat-input-bar{gap:var(--space-2);padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-border);background:var(--color-muted);flex-shrink:0;display:flex}.chat-input{height:36px;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-foreground);font-size:var(--text-sm);transition:all var(--duration-fast) var(--ease-out);outline:none;flex:1}.chat-input:focus{border-color:var(--color-ring);box-shadow:0 0 0 3px #18181b14}.chat-input::placeholder{color:var(--color-muted-fg)}.chat-input:disabled{opacity:.6;cursor:not-allowed}.chat-send-btn{border-radius:var(--radius-md);color:#166534;border:1px solid var(--color-primary);width:36px;height:36px;transition:all var(--duration-fast) var(--ease-out);background:#dcfce7;flex-shrink:0;padding:0}.chat-send-btn:hover:not(:disabled){background:#bbf7d0;transform:translateY(-1px)}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.landing-hero{text-align:center;width:90%;max-width:1440px;padding:var(--space-16) var(--space-6);flex-direction:column;flex:1;justify-content:center;align-items:center;margin:0 auto;display:flex}.landing-title{font-size:var(--text-5xl);color:var(--color-foreground);letter-spacing:-.04em;margin-bottom:var(--space-6);font-weight:800;line-height:1.1}.landing-desc{font-size:var(--text-xl);color:var(--color-fg-secondary);margin-bottom:var(--space-10);max-width:600px;line-height:1.6}.landing-actions{gap:var(--space-4);margin-bottom:var(--space-16);display:flex}.landing-actions a{height:48px;padding:0 var(--space-6);font-size:var(--text-md);text-decoration:none}.landing-features{gap:var(--space-8);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));width:100%;display:grid}.feature-card{padding:var(--space-8);text-align:center;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);box-shadow:var(--shadow-sm);flex-direction:column;align-items:center;display:flex}.feature-icon-wrapper{border-radius:var(--radius-lg);color:#166534;border:1px solid var(--color-primary);width:56px;height:56px;margin-bottom:var(--space-4);background:#f0fdf4;justify-content:center;align-items:center;display:flex}.feature-title{font-size:var(--text-xl);margin-bottom:var(--space-3);color:var(--color-foreground);font-weight:700}.feature-desc{font-size:var(--text-base);color:var(--color-fg-secondary);line-height:1.5}.auth-container{min-height:calc(100vh - 70px);padding:var(--space-6);background:var(--color-background);justify-content:center;align-items:center;display:flex}.auth-card{width:100%;max-width:420px;padding:var(--space-8);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-md)}.auth-header{text-align:center;margin-bottom:var(--space-8)}.auth-title{font-size:var(--text-3xl);color:var(--color-foreground);margin:var(--space-4) 0 var(--space-2);font-weight:800}.auth-subtitle{color:var(--color-fg-secondary);font-size:var(--text-base)}.auth-form{gap:var(--space-4);flex-direction:column;display:flex}.auth-submit-btn{width:100%;height:48px;margin-top:var(--space-4);font-size:var(--text-md)}.auth-footer{margin-top:var(--space-6);text-align:center;font-size:var(--text-sm);color:var(--color-fg-secondary)}.auth-link{color:#166534;font-weight:600;text-decoration:none}.auth-link:hover{text-decoration:underline}.auth-error{padding:var(--space-3);margin-bottom:var(--space-4);background:var(--color-destructive-soft);color:var(--color-destructive);border-radius:var(--radius-md);font-size:var(--text-sm);text-align:center;border:1px solid #fecaca}.btn-green{color:#166534;border:1px solid var(--color-primary);background:#dcfce7}.btn-green:hover{box-shadow:var(--shadow-md);background:#bbf7d0;transform:translateY(-1px)}.btn-green:active{transform:translateY(0)}.btn-back{align-items:center;gap:var(--space-2);padding:0 var(--space-4);height:38px;font-size:var(--text-sm);color:var(--color-foreground);background:var(--color-surface);border:1px solid var(--color-primary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration-fast) var(--ease-out);font-weight:600;text-decoration:none;display:inline-flex}.btn-back:hover{background:var(--color-muted);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.btn-back:active{box-shadow:none;transform:translateY(0)}.btn-logout{align-items:center;gap:var(--space-2);padding:0 var(--space-4);height:38px;font-size:var(--text-sm);color:var(--color-fg-secondary);background:var(--color-surface);border:2.5px solid var(--color-primary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration-fast) var(--ease-out);font-weight:600;display:inline-flex}.btn-logout:hover{color:#991b1b;border-color:var(--color-primary);box-shadow:var(--shadow-md);background:#fee2e2;transform:translateY(-1px)}.btn-logout:active{box-shadow:none;transform:translateY(0)}.landing-logo-mark{border:2.5px solid var(--color-primary);border-radius:var(--radius-lg);color:#fff;width:40px;height:40px;font-weight:800;font-size:var(--text-sm);letter-spacing:.05em;background:linear-gradient(135deg,#4ade80,#22c55e);flex-shrink:0;justify-content:center;align-items:center;display:flex}.landing-btn{align-items:center;gap:var(--space-2);border-radius:var(--radius-md);padding:0 var(--space-6);font-weight:700;text-decoration:none;display:inline-flex;border-width:2.5px!important;border-color:var(--color-primary)!important}.landing-btn-lg{height:52px;padding:0 var(--space-10);font-size:var(--text-md)}.landing-hero-badge{align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-4);border:2.5px solid var(--color-primary);border-radius:var(--radius-full);font-size:var(--text-sm);color:#92400e;margin-bottom:var(--space-8);animation:fadeUp .5s var(--ease-out) both;background:linear-gradient(135deg,#fef3c7,#fde68a);font-weight:700;display:inline-flex}.landing-hero-badge svg{color:#f59e0b}.landing-title-highlight{background:linear-gradient(135deg,#22c55e,#3b82f6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.feature-card{border-width:2.5px;border-color:var(--color-primary);transition:transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out)}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}.feature-card--green{border-bottom:5px solid #22c55e}.feature-card--blue{border-bottom:5px solid #3b82f6}.feature-card--orange{border-bottom:5px solid #f97316}.feature-icon-wrapper{border-style:solid;border-width:2.5px;border-color:var(--color-primary)}.feature-icon--green{color:#166534;background:#dcfce7}.feature-icon--blue{color:#1e40af;background:#dbeafe}.feature-icon--orange{color:#9a3412;background:#ffedd5}.demo-timeline-section{width:100%;margin-top:var(--space-16);padding-top:var(--space-16);border-top:2.5px solid var(--color-border)}.demo-section-title{font-size:var(--text-4xl);color:var(--color-foreground);letter-spacing:-.03em;text-align:center;margin:0 0 var(--space-2) 0;font-weight:800}.demo-section-subtitle{font-size:var(--text-lg);color:var(--color-fg-secondary);text-align:center;margin:0 0 var(--space-12) 0}.demo-timeline{max-width:960px;margin:0 auto;position:relative}.demo-timeline:before{content:"";background:repeating-linear-gradient(to bottom, var(--color-primary) 0px, var(--color-primary) 8px, transparent 8px, transparent 16px);z-index:0;width:3px;position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.demo-step{margin-bottom:var(--space-16);position:relative}.demo-step:last-child{margin-bottom:0}.demo-step-number{border-radius:var(--radius-full);border:3px solid var(--color-primary);width:48px;height:48px;font-size:var(--text-xl);color:#fff;z-index:2;box-shadow:var(--shadow-md);justify-content:center;align-items:center;font-weight:800;display:flex;position:absolute;top:0;left:50%;transform:translate(-50%)}.demo-step-number--green{background:#22c55e}.demo-step-number--blue{background:#3b82f6}.demo-step-number--orange{background:#f97316}.demo-step-content{gap:var(--space-8);padding-top:var(--space-16);grid-template-columns:1fr 1fr;align-items:center;display:grid}.demo-step--left .demo-step-content,.demo-step--right .demo-step-content{direction:ltr}.demo-step-text{text-align:left}.demo-step-heading{align-items:center;gap:var(--space-3);font-size:var(--text-2xl);color:var(--color-foreground);letter-spacing:-.02em;margin:0 0 var(--space-3) 0;font-weight:800;display:flex}.demo-step-icon--green{color:#22c55e}.demo-step-icon--blue{color:#3b82f6}.demo-step-icon--orange{color:#f97316}.demo-step-desc{font-size:var(--text-base);color:var(--color-fg-secondary);margin:0;line-height:1.7}.demo-cta-link{align-items:center;gap:var(--space-2);margin-top:var(--space-4);font-size:var(--text-base);color:#f97316;transition:gap var(--duration-fast) var(--ease-out);font-weight:700;text-decoration:none;display:inline-flex}.demo-cta-link:hover{gap:var(--space-3);text-decoration:underline}.demo-mockup{background:var(--color-surface);border:2.5px solid var(--color-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transition:transform var(--duration-normal) var(--ease-out);overflow:hidden}.demo-mockup:hover{transform:translateY(-4px)scale(1.01)}.mockup-header{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background:var(--color-muted);border-bottom:2px solid var(--color-primary);display:flex}.mockup-header--green{background:#f0fdf4}.mockup-dot{border:1.5px solid var(--color-primary);border-radius:50%;width:10px;height:10px}.mockup-dot--red{background:#fb7185}.mockup-dot--yellow{background:#fbbf24}.mockup-dot--green{background:#4ade80}.mockup-title-bar{margin-left:var(--space-2);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.06em;color:var(--color-fg-secondary);align-items:center;gap:var(--space-1);font-weight:700;display:flex}.mockup-body{padding:var(--space-3)}.mockup-table{border-collapse:collapse;width:100%;font-size:var(--text-xs)}.mockup-table th{padding:var(--space-2) var(--space-3);text-align:left;letter-spacing:.08em;text-transform:uppercase;color:var(--color-muted-fg);border-bottom:2px solid var(--color-primary);background:var(--color-muted);font-size:10px;font-weight:700}.mockup-table td{padding:var(--space-2) var(--space-3);font-size:var(--text-xs);border-bottom:1px solid var(--color-border);color:var(--color-foreground)}.mockup-table strong{font-weight:700}.mock-badge{border-radius:var(--radius-full);letter-spacing:.04em;text-transform:uppercase;border:1.5px solid var(--color-primary);padding:2px 8px;font-size:10px;font-weight:700;display:inline-flex}.mock-badge--green{color:#166534;background:#dcfce7}.mock-badge--blue{color:#1e40af;background:#dbeafe}.mock-badge--orange{color:#9a3412;background:#ffedd5}.mockup-form-body{gap:var(--space-3);flex-direction:column;display:flex}.mock-field{flex-direction:column;gap:3px;display:flex}.mock-label{text-transform:uppercase;letter-spacing:.06em;color:var(--color-muted-fg);font-size:10px;font-weight:700}.mock-input{padding:var(--space-2) var(--space-3);background:var(--color-muted);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-sm);font-size:var(--text-xs);color:var(--color-foreground);font-weight:500}.mock-select{cursor:default}.mock-field-row{gap:var(--space-3);grid-template-columns:1fr 1fr;display:grid}.mock-btn-row{justify-content:flex-end;gap:var(--space-2);margin-top:var(--space-2);display:flex}.mock-btn{padding:var(--space-1) var(--space-3);border-radius:var(--radius-sm);font-size:var(--text-xs);border:2px solid var(--color-primary);cursor:default;font-weight:700}.mock-btn--outline{background:var(--color-surface);color:var(--color-foreground)}.mock-btn--primary{background:var(--color-primary);color:var(--color-on-primary)}.mockup-chat-body{gap:var(--space-2);padding:var(--space-3);flex-direction:column;display:flex}.mock-chat-msg{gap:var(--space-2);max-width:95%;display:flex}.mock-chat-user{flex-direction:row-reverse;align-self:flex-end}.mock-chat-bot{align-self:flex-start}.mock-chat-avatar{border-radius:var(--radius-full);border:1.5px solid var(--color-primary);flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;margin-top:2px;display:flex}.mock-chat-avatar--bot{color:#166534;background:#dcfce7}.mock-chat-avatar--user{background:var(--color-muted);color:var(--color-fg-secondary)}.mock-chat-bubble{padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--text-xs);line-height:1.5}.mock-chat-bubble--bot{color:var(--color-foreground);background:#f0fdf4;border:1.5px solid #bbf7d0;border-bottom-left-radius:2px}.mock-chat-bubble--user{background:var(--color-muted);border:1.5px solid var(--color-border-strong);color:var(--color-foreground);border-bottom-right-radius:2px}.mock-chat-bubble--success{background:#dcfce7;border-color:#86efac}.mock-chat-input-bar{gap:var(--space-2);margin-top:var(--space-2);padding-top:var(--space-2);border-top:1px solid var(--color-border);display:flex}.mock-chat-input{padding:var(--space-1) var(--space-3);background:var(--color-muted);border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--text-xs);color:var(--color-muted-fg);flex:1}.mock-chat-send{border:1.5px solid var(--color-primary);border-radius:var(--radius-sm);color:#166534;background:#dcfce7;justify-content:center;align-items:center;width:28px;height:28px;display:flex}.landing-final-cta{width:100%;margin-top:var(--space-16);padding:var(--space-16) var(--space-6);border:2.5px solid var(--color-primary);border-radius:var(--radius-2xl);text-align:center;background:linear-gradient(135deg,#f0fdf4,#dbeafe,#ffedd5)}.landing-cta-title{font-size:var(--text-3xl);color:var(--color-foreground);letter-spacing:-.03em;margin:0 0 var(--space-3) 0;font-weight:800}.landing-cta-desc{font-size:var(--text-lg);color:var(--color-fg-secondary);margin:0 0 var(--space-8) 0}@media (width<=768px){.demo-timeline:before{left:24px}.demo-step-number{width:36px;height:36px;font-size:var(--text-base);left:24px}.demo-step-content{padding-top:var(--space-12);padding-left:var(--space-12);grid-template-columns:1fr}.demo-step--right .demo-step-content{direction:ltr}.landing-title{font-size:var(--text-3xl)}.landing-features,.mock-field-row{grid-template-columns:1fr}.landing-final-cta{padding:var(--space-8) var(--space-4)}}