.landing{overflow-x:hidden;background:var(--bg-primary);color:var(--text-primary);position:relative;transition:background .3s,color .3s}.grid-bg{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;opacity:.03;background-image:linear-gradient(var(--text-primary) 1px,transparent 1px),linear-gradient(90deg,var(--text-primary) 1px,transparent 1px);background-size:60px 60px;animation:gridScroll 20s linear infinite}@keyframes gridScroll{to{background-position:60px 60px}}[data-theme=light] .grid-bg{opacity:.025}.anim-out{opacity:0;transform:translateY(30px);transition:all .7s cubic-bezier(.16,1,.3,1)}.anim-in{opacity:1;transform:translateY(0)}.anim-hero{opacity:0;transform:translateY(25px);animation:heroIn .8s ease-out forwards}@keyframes heroIn{to{opacity:1;transform:translateY(0)}}.echo-brand-logo{position:relative;display:inline-flex;align-items:center;justify-content:center}.echo-brand-logo.animated .ring{animation:ringPulse 4s ease-in-out infinite;transform-origin:center}.echo-brand-logo.animated .r1{animation-delay:0s}.echo-brand-logo.animated .r2{animation-delay:.4s}.echo-brand-logo.animated .r3{animation-delay:.8s}@keyframes ringPulse{0%,to{opacity:.3;transform:scale(1)}50%{opacity:.6;transform:scale(1.06)}}.echo-brand-logo.animated .accent-dot{animation:dotOrbit 6s linear infinite;transform-origin:24px 24px}@keyframes dotOrbit{to{transform:rotate(360deg)}}.logo-glow-ring{position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:50%;background:radial-gradient(circle,rgba(124,109,240,.15),transparent 70%);animation:glowPulse 3s ease-in-out infinite;z-index:-1}@keyframes glowPulse{0%,to{transform:scale(1);opacity:.4}50%{transform:scale(1.4);opacity:.1}}.echo-brand-logo:hover .logo-glow-ring{animation-duration:1.5s}.echo-brand-logo:hover svg{transform:scale(1.08);transition:transform .2s}.logo-core{filter:drop-shadow(0 0 8px rgba(124,109,240,.4))}.type-cursor{animation:cursorBlink .6s step-end infinite;font-weight:200;color:var(--accent)}@keyframes cursorBlink{0%,to{opacity:1}50%{opacity:0}}.land-nav{position:fixed;top:0;left:0;right:0;z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--bg-topbar);border-bottom:1px solid var(--border);transition:background .3s}.land-nav-inner{max-width:1100px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.land-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:2px}.land-nav-links{display:flex;align-items:center;gap:28px;font-size:14px}.land-nav-links a{color:var(--text-secondary);transition:color .2s}.land-nav-links a:hover{color:var(--text-primary)}.land-nav-cta{padding:8px 22px;background:linear-gradient(135deg,var(--accent),var(--accent-light));border-radius:var(--radius-sm);color:#fff;font-size:13px;font-weight:600;transition:all .2s;box-shadow:0 2px 12px var(--accent-glow)}.land-nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-glow)}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:120px 24px 80px}.deco-circle{position:absolute;border-radius:50%;pointer-events:none}.deco-purple{width:500px;height:500px;top:-10%;left:-10%;background:radial-gradient(circle,rgba(109,92,231,.2),transparent 70%);animation:decoFloat 14s ease-in-out infinite}.deco-teal{width:400px;height:400px;bottom:-8%;right:-8%;background:radial-gradient(circle,rgba(0,212,170,.15),transparent 70%);animation:decoFloat 18s ease-in-out infinite reverse}@keyframes decoFloat{0%,to{transform:translate(0)}50%{transform:translate(20px,-15px)}}.hero-scanline{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,212,170,.015) 2px,rgba(0,212,170,.015) 4px);animation:scanMove 10s linear infinite}@keyframes scanMove{to{background-position:0 40px}}[data-theme=light] .hero-scanline{background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.008) 2px,rgba(0,0,0,.008) 4px)}.hero-content{max-width:700px;text-align:center;position:relative;z-index:1}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 18px;border-radius:20px;background:var(--accent-bg);border:1px solid var(--accent-border);font-size:13px;font-weight:500;color:var(--accent-light);margin-bottom:28px}.hero-title{font-family:var(--font-display);font-size:clamp(42px,8vw,70px);font-weight:800;line-height:1.1;margin-bottom:8px}.hero-line{display:block}.gradient-text{background:linear-gradient(135deg,#7c6df0,#00d4aa,#c4b5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-size:300% 300%;animation:gradShift 5s ease-in-out infinite}@keyframes gradShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.cyan-line{width:120px;height:3px;background:linear-gradient(90deg,#00d4aa,#00d4aa00);margin:16px auto 20px;border-radius:2px}.hero-sub{font-size:17px;line-height:1.7;color:var(--text-secondary);max-width:480px;margin:0 auto 36px}.hero-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.hero-stats{display:flex;gap:40px;margin-top:56px;justify-content:center;flex-wrap:wrap}.hero-stat{text-align:center}.hero-stat-num{display:block;font-size:26px;font-weight:700;font-family:var(--font-display)}.hero-stat-label{font-size:11px;color:var(--text-muted);margin-top:4px;display:block}.scroll-indicator{position:absolute;bottom:28px;left:50%;transform:translate(-50%);width:24px;height:38px;border-radius:12px;border:2px solid var(--border);display:flex;align-items:flex-start;justify-content:center;padding-top:6px}.scroll-dot{width:4px;height:8px;border-radius:2px;background:#00d4aa;animation:scrollB 2s ease-in-out infinite}@keyframes scrollB{0%,to{transform:translateY(0);opacity:1}50%{transform:translateY(12px);opacity:.3}}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:linear-gradient(135deg,var(--accent),var(--accent-light));border-radius:var(--radius-md);color:#fff;font-size:15px;font-weight:600;transition:all .25s;position:relative;overflow:hidden}.btn-primary:hover{transform:translateY(-2px)}.btn-primary.large{padding:16px 36px;font-size:16px}.btn-primary.full{width:100%;justify-content:center}.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn-glow{box-shadow:0 0 20px var(--accent-glow),0 4px 15px #0003}.btn-glow:hover{box-shadow:0 0 35px var(--accent-glow),0 8px 25px #0000004d}.btn-ghost{padding:14px 32px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);font-size:15px;font-weight:500;transition:all .2s}.btn-ghost:hover{border-color:var(--border-hover);color:var(--text-primary);background:var(--bg-card)}.btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;font-weight:600;transition:all .2s}.btn-outline:hover{background:var(--bg-card-hover)}.btn-outline.full{width:100%}.btn-outline:disabled{opacity:.45;cursor:not-allowed}.section{padding:100px 24px;position:relative;z-index:1;transition:background .3s}.section-dark{background:var(--bg-primary)}.section-alt{background:var(--bg-secondary)}.section-inner{max-width:1100px;margin:0 auto}.section-label{font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#00d4aa;margin-bottom:12px;text-align:center}.section-heading{font-family:var(--font-display);font-size:38px;font-weight:700;text-align:center;margin-bottom:48px}.section-sub{text-align:center;font-size:16px;color:var(--text-secondary);max-width:500px;margin:-32px auto 48px}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.card-grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.neon-card{--nc:#7c6df0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;position:relative;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);animation:fadeUp .6s ease-out both}.neon-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--nc),transparent);opacity:0;transition:opacity .3s}.neon-card:hover{transform:translateY(-6px);border-color:color-mix(in srgb,var(--nc) 30%,transparent);box-shadow:0 0 25px color-mix(in srgb,var(--nc) 12%,transparent),var(--shadow-lg)}.neon-card:hover:before{opacity:1}.neon-card h3{font-size:16px;font-weight:700;margin:14px 0 8px}.neon-card p{font-size:14px;color:var(--text-secondary);line-height:1.6}[data-theme=light] .neon-card{background:var(--bg-secondary)}.coming-soon-tag{position:absolute;top:16px;right:16px;padding:3px 12px;border-radius:var(--radius-full);background:#00d4aa1a;color:#00d4aa;border:1px solid rgba(0,212,170,.2);font-size:10px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}[data-theme=light] .coming-soon-tag{background:#0096780f;color:#059669;border-color:#00967826}.feat-icon{width:46px;height:46px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:16px}.story-card{max-width:640px;margin:0 auto;padding:48px;border-radius:var(--radius-xl);background:var(--accent-bg);border:1px solid var(--accent-border);text-align:center;position:relative}.story-q{font-family:var(--font-display);font-size:80px;color:var(--accent);opacity:.2;position:absolute;top:8px;left:28px;line-height:1}.story-text{font-size:17px;line-height:1.8;color:var(--text-secondary);font-style:italic;position:relative;z-index:1}.story-tag{margin-top:20px;font-weight:700;color:#00d4aa;font-size:14px}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:960px;margin:0 auto}.pricing-v{text-align:left;overflow:visible}.pricing-v.featured{transform:scale(1.03)}.pricing-v.featured:hover{transform:scale(1.05) translateY(-6px)}.pricing-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);padding:4px 18px;border-radius:20px;background:linear-gradient(135deg,var(--accent),#00d4aa);font-size:12px;font-weight:600;white-space:nowrap;color:#fff}.pricing-name{font-size:18px;font-weight:700;margin-bottom:16px}.pricing-price{font-family:var(--font-display);font-size:44px;font-weight:700;margin-bottom:24px}.pricing-price span{font-size:15px;font-weight:400;color:var(--text-muted);font-family:var(--font-body)}.pricing-features{list-style:none;margin-bottom:28px}.pricing-features li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-secondary);padding:6px 0}.cta-section{overflow:hidden}.cta-glow{position:absolute;width:500px;height:500px;background:radial-gradient(circle,var(--accent-glow),transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;animation:decoFloat 8s ease-in-out infinite}.cta-content{text-align:center;position:relative;z-index:1}.cta-title{font-size:38px;font-weight:700;font-family:var(--font-display);margin:20px 0 16px}.cta-sub{font-size:16px;color:var(--text-secondary);max-width:500px;margin:0 auto 36px;line-height:1.7}.land-footer{background:var(--bg-primary);border-top:1px solid var(--border);padding:0 24px;position:relative;z-index:1;transition:background .3s}.footer-inner{padding:24px 0}.footer-copy{opacity:.25;font-size:12px;margin-left:6px;font-weight:400}.footer-links{display:flex;gap:24px}.footer-links button{color:var(--text-muted);background:none;border:none;font-size:13px;cursor:pointer;font-family:var(--font-body);transition:color .2s}.footer-links button:hover{color:var(--text-primary)}.legal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:var(--modal-overlay);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s}.legal-modal{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-xl);max-width:600px;width:100%;max-height:80vh;display:flex;flex-direction:column;animation:fadeUp .3s;box-shadow:var(--shadow-lg)}.legal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.legal-head h2{font-size:18px;font-weight:700;font-family:var(--font-display)}.legal-head button{color:var(--text-secondary);padding:6px;border-radius:var(--radius-sm);display:flex;transition:all .15s;cursor:pointer;background:none;border:none}.legal-head button:hover{background:var(--bg-card-hover);color:var(--text-primary)}.legal-body{padding:24px;overflow-y:auto}.legal-body h3{font-size:15px;font-weight:700;margin:20px 0 8px}.legal-body h3:first-child{margin-top:0}.legal-body p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:8px}.legal-body strong{color:var(--text-primary)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.contact-card{padding:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);transition:all .15s}.contact-card:hover{border-color:var(--accent-border)}.contact-card span{font-size:22px;display:block;margin-bottom:8px}.contact-card strong{font-size:13px;display:block}.contact-card p{font-size:12px;color:var(--text-secondary);margin:4px 0 0}[data-theme=light] .legal-modal{background:var(--bg-secondary)}[data-theme=light] .contact-card{background:var(--bg-tertiary)}[data-theme=light] .deco-purple{background:radial-gradient(circle,rgba(109,92,231,.08),transparent 70%)}[data-theme=light] .deco-teal{background:radial-gradient(circle,rgba(0,212,170,.06),transparent 70%)}[data-theme=light] .hero-scanline{background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.006) 2px,rgba(0,0,0,.006) 4px)}[data-theme=light] .cta-glow{background:radial-gradient(circle,rgba(124,109,240,.06),transparent 70%)}@media (max-width:640px){.hero-stats{flex-direction:column;gap:16px}.land-nav-links a{display:none}.pricing-grid,.card-grid-3{grid-template-columns:1fr}.pricing-v.featured{transform:none}.section-heading,.cta-title{font-size:28px}.deco-circle,.scroll-indicator{display:none}.contact-grid{grid-template-columns:1fr}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:24px;background:var(--bg-primary);transition:background .3s}.auth-glow{position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(124,109,240,.1),transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}.auth-back{position:absolute;top:20px;left:20px;color:var(--text-secondary);font-size:14px;padding:8px 14px;border-radius:var(--radius-sm);z-index:10;transition:all .15s}.auth-back:hover{background:#ffffff0d;color:#fff}.auth-card{width:100%;max-width:420px;padding:44px 36px;background:var(--bg-card);border:1px solid var(--border);border-radius:24px;position:relative;z-index:1;animation:fadeUp .5s ease-out}.auth-header{text-align:center;margin-bottom:32px}.auth-header h1{font-size:24px;font-weight:700;margin-top:18px;font-family:var(--font-display);color:#fff}.auth-header p{font-size:14px;color:var(--text-secondary);margin-top:6px}.google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding:14px;border-radius:var(--radius-md);background:#fff;font-size:15px;font-weight:600;color:#333;transition:all .15s}.google-btn:hover{transform:translateY(-1px);box-shadow:0 4px 15px #0003}.google-btn:disabled{opacity:.7;transform:none}.btn-spinner{width:20px;height:20px;border:2px solid rgba(0,0,0,.15);border-top-color:#333;border-radius:50%;animation:spin .6s linear infinite}.auth-divider{display:flex;align-items:center;gap:16px;margin:24px 0;font-size:13px;color:var(--text-muted)}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.auth-form{display:flex;flex-direction:column;gap:12px}.auth-input{width:100%;padding:13px 16px;background:#ffffff0a;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;outline:none;transition:border-color .15s}.auth-input:focus{border-color:#7c6df066}.auth-submit{width:100%;padding:14px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-size:15px;font-weight:600;transition:all .15s;margin-top:4px}.auth-submit:hover{transform:translateY(-1px);box-shadow:0 4px 15px #7c6df04d}.auth-submit:disabled{opacity:.7;transform:none}.auth-toggle{text-align:center;font-size:14px;color:var(--text-secondary);margin-top:20px}.auth-toggle button{color:var(--accent-light);font-weight:600;font-size:14px}.auth-toggle button:hover{text-decoration:underline}.auth-terms{text-align:center;font-size:12px;color:var(--text-muted);margin-top:20px;line-height:1.5}.sidebar{width:280px;background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translate(-100%);transition:transform .25s cubic-bezier(.4,0,.2,1),background .3s ease}.sidebar.open{transform:translate(0)}.sb-header{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 10px}.sb-logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px;letter-spacing:.5px}.sb-icon-btn{color:var(--text-secondary);padding:6px;border-radius:6px;display:flex;align-items:center;transition:all .12s}.sb-icon-btn:hover{background:var(--bg-card-hover);color:var(--text-primary)}.sb-new-chat{display:flex;align-items:center;gap:8px;margin:4px 10px 8px;padding:10px 14px;background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:10px;color:#b8b0ff;font-size:13px;font-weight:600;transition:all .15s}.sb-new-chat:hover{background:#7c6df033;border-color:#7c6df066}.sb-search{display:flex;align-items:center;gap:8px;margin:0 10px 8px;padding:8px 12px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);transition:border-color .15s}.sb-search:focus-within{border-color:#7c6df040}.sb-search svg{color:var(--text-muted);flex-shrink:0}.sb-search input{flex:1;background:transparent;border:none;outline:none;font-size:13px}.sb-search-clear{color:var(--text-muted);padding:2px;border-radius:4px;display:flex;transition:color .12s}.sb-search-clear:hover{color:var(--text-primary)}.sb-chat-list{flex:1;overflow-y:auto;padding:0 4px}.sb-empty{text-align:center;padding:28px 16px;font-size:13px;color:var(--text-muted)}.sb-empty-sub{font-size:12px;opacity:.6;margin-top:4px}.sb-group-label{padding:14px 12px 6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.sb-chat-item{display:flex;align-items:center;padding:10px 12px;margin:1px 4px;border-radius:var(--radius-sm);cursor:pointer;transition:background .12s;gap:4px}.sb-chat-item:hover{background:var(--bg-card)}.sb-chat-item.active{background:var(--accent-bg)}.sb-chat-info{flex:1;min-width:0}.sb-chat-title{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary)}.sb-chat-meta{font-size:11px;color:var(--text-muted);margin-top:2px}.sb-chat-actions{display:flex;gap:2px;opacity:0;transition:opacity .12s}.sb-chat-item:hover .sb-chat-actions{opacity:1}.sb-action-btn{padding:5px;border-radius:5px;display:flex;align-items:center;color:var(--text-muted);transition:all .12s;position:relative}.sb-action-btn:hover{background:var(--bg-card-hover);color:var(--text-secondary)}.sb-action-btn.delete:hover{color:var(--danger);background:#f871711a}.confirm-dot{position:absolute;top:2px;right:2px;width:5px;height:5px;border-radius:50%;background:var(--danger)}.sb-rename-input{flex:1;padding:4px 8px;background:var(--bg-card-hover);border:1px solid rgba(124,109,240,.3);border-radius:6px;color:var(--text-primary);font-size:13px;outline:none;font-family:var(--font-body)}.sb-footer{padding:12px;border-top:1px solid var(--border)}.sb-user{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s}.sb-user:hover{background:var(--bg-card)}.sb-user-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-light));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--text-primary);flex-shrink:0;overflow:hidden}.sb-user-avatar img{width:100%;height:100%;object-fit:cover}.sb-user-info{flex:1;min-width:0}.sb-user-name{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sb-user-email{font-size:11px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (min-width: 1024px){.sidebar{position:relative;transform:translate(0)}.sidebar:not(.open){transform:translate(-100%);position:fixed}}@media (min-width: 1024px){.sidebar{position:relative;transform:translate(0)}.sidebar:not(.open){transform:translate(-100%);position:fixed}.sidebar.open{position:relative;transform:translate(0)}.sidebar-overlay{display:none}}.onboarding-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:var(--bg-primary);display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .4s ease-out}.onboarding-card{width:100%;max-width:480px;max-height:90vh;overflow-y:auto;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:32px 28px 24px;position:relative}.ob-progress{position:absolute;top:0;left:0;right:0;height:3px;background:var(--border);border-radius:var(--radius-xl) var(--radius-xl) 0 0;overflow:hidden}.ob-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#00d4aa);transition:width .4s cubic-bezier(.4,0,.2,1);border-radius:0 3px 3px 0}.ob-step{min-height:280px;display:flex;flex-direction:column}.anim-step{animation:stepIn .35s ease-out}@keyframes stepIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.ob-logo{margin-bottom:20px}.ob-title{font-size:24px;font-weight:700;font-family:var(--font-display);margin-bottom:8px;color:var(--text-primary)}.ob-sub{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:24px}.ob-sub-small{font-size:13px;color:var(--text-secondary);margin-bottom:12px}.ob-optional{font-size:11px;opacity:.5;font-weight:400}.ob-field{margin-bottom:16px;position:relative}.ob-field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.ob-input{width:100%;padding:14px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);font-size:15px;color:var(--text-primary);outline:none;transition:border-color .2s;font-family:var(--font-body)}.ob-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.ob-textarea{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);font-size:14px;color:var(--text-primary);outline:none;resize:none;transition:border-color .2s;font-family:var(--font-body);line-height:1.5}.ob-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.ob-char-count{position:absolute;bottom:-18px;right:4px;font-size:11px;color:var(--text-muted)}.ob-age-tag{margin-top:10px;font-size:13px;color:#00d4aa;font-weight:500}[data-theme=light] .ob-input,[data-theme=light] .ob-textarea{background:#fff;border-color:#0000001f}.ob-interests-grid{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.ob-interest-chip{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-full);background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s;font-family:var(--font-body)}.ob-interest-chip:hover{border-color:var(--accent-border);background:var(--accent-bg)}.ob-interest-chip.selected{background:var(--accent-bg);border-color:var(--accent);color:var(--accent-light);font-weight:600}.ob-mood-grid{display:flex;flex-direction:column;gap:6px}.ob-mood-chip{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s;text-align:left;font-family:var(--font-body)}.ob-mood-chip:hover{border-color:var(--accent-border)}.ob-mood-chip.selected{background:var(--accent-bg);border-color:var(--accent);color:var(--accent-light)}.ob-mood-emoji{font-size:18px}.ob-lang-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.ob-lang-chip{padding:12px;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s;text-align:center;font-family:var(--font-body)}.ob-lang-chip:hover{border-color:var(--accent-border)}.ob-lang-chip.selected{background:var(--accent-bg);border-color:var(--accent);color:var(--accent-light);font-weight:600}.ob-divider{height:1px;background:var(--border);margin:16px 0}.ob-nav{display:flex;align-items:center;justify-content:space-between;margin-top:28px;gap:12px}.ob-back{display:flex;align-items:center;gap:4px;padding:10px 16px;border-radius:var(--radius-md);color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .15s;font-family:var(--font-body)}.ob-back:hover{background:var(--bg-card-hover);color:var(--text-primary)}.ob-dots{display:flex;gap:6px;align-items:center}.ob-dot{width:8px;height:8px;border-radius:50%;background:var(--border);transition:all .3s}.ob-dot.active{background:var(--accent);transform:scale(1.3)}.ob-dot.done{background:#00d4aa}.ob-next,.ob-finish{display:flex;align-items:center;gap:6px;padding:10px 24px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-size:14px;font-weight:600;transition:all .2s;font-family:var(--font-body);box-shadow:0 2px 10px var(--accent-glow)}.ob-next:hover,.ob-finish:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-glow)}.ob-next:disabled,.ob-finish:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.ob-skip{display:block;width:100%;text-align:center;margin-top:16px;padding:8px;color:var(--text-muted);font-size:13px;transition:color .15s;font-family:var(--font-body)}.ob-skip:hover{color:var(--text-secondary)}.ob-skip:disabled{opacity:.4}@media (max-width: 480px){.onboarding-card{padding:28px 20px 20px}.ob-title{font-size:20px}.ob-lang-grid{grid-template-columns:1fr}}.chat-page{display:flex;height:100vh;width:100%;overflow:hidden;position:relative;background:var(--bg-primary);transition:background .3s ease}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--modal-overlay);z-index:40;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.chat-page.incognito-mode{background:var(--bg-primary)}.chat-page.incognito-mode .chat-topbar{border-bottom-color:#fbbf2426}.chat-main{flex:1;display:flex;flex-direction:column;min-width:0}.chat-topbar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--bg-topbar);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:sticky;top:0;z-index:10;transition:all .3s ease}.topbar-btn{color:var(--text-secondary);padding:8px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:all .15s}.topbar-btn:hover{background:var(--bg-card-hover);color:var(--text-primary)}.topbar-btn.incognito-active{color:#fbbf24;background:#fbbf241a}.topbar-center{display:flex;align-items:center;gap:8px}.topbar-logo-link{display:flex;align-items:center;gap:8px;text-decoration:none;color:inherit;cursor:pointer;border-radius:var(--radius-sm);padding:4px 8px;margin:-4px -8px;transition:background .15s}.topbar-logo-link:hover{background:var(--bg-card-hover)}.topbar-title{font-weight:700;font-size:15px;letter-spacing:.3px}.topbar-right{display:flex;align-items:center;gap:2px}.theme-toggle:hover{transform:rotate(30deg)}.emotion-badge{font-size:11px;font-weight:600;padding:3px 10px;border-radius:var(--radius-full);border:1px solid;animation:fadeIn .3s ease;white-space:nowrap}.incognito-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:3px 10px;border-radius:var(--radius-full);background:#fbbf241f;color:#fbbf24;border:1px solid rgba(251,191,36,.25)}.incognito-notice{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-md);background:#fbbf2414;color:#fbbf24;border:1px solid rgba(251,191,36,.15);font-size:13px;margin-bottom:20px}.chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column}.chat-messages-scroll{max-width:780px;width:100%;margin:0 auto;padding:24px 20px 120px;flex:1}.chat-welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:65vh;padding:40px 20px;animation:fadeUp .6s ease-out}.welcome-icon-wrap{position:relative;margin-bottom:24px}.welcome-icon-ring{position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;border-radius:50%;border:2px solid var(--accent);opacity:.15;animation:pulse 3s ease-in-out infinite}.welcome-title{font-size:32px;font-weight:700;font-family:var(--font-display);margin-bottom:10px}.welcome-sub{font-size:15px;color:var(--text-secondary);max-width:440px;line-height:1.7;margin-bottom:36px}.quick-prompts{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:420px;width:100%}.quick-prompt-btn{display:flex;flex-direction:column;align-items:center;gap:8px;padding:22px 16px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);transition:all .2s}.quick-prompt-btn:hover{background:var(--accent-bg);border-color:var(--accent-border);transform:translateY(-3px);box-shadow:var(--shadow-md)}.qp-emoji{font-size:26px}.qp-text{font-size:13px;font-weight:600}.message-row{display:flex;gap:10px;margin-bottom:6px;animation:slideIn .25s ease-out}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.msg-avatar{width:32px;height:32px;border-radius:50%;background:var(--accent-bg);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:4px}.msg-bubble{max-width:72%;padding:12px 18px;border-radius:22px;box-shadow:var(--shadow-bubble);transition:background .3s,box-shadow .3s}.msg-bubble.user{background:var(--bg-bubble-user);color:var(--text-bubble-user);border-bottom-right-radius:6px}.msg-bubble.assistant{background:var(--bg-bubble-echo);color:var(--text-bubble-echo);border-bottom-left-radius:6px}[data-theme=light] .msg-bubble.assistant{border:1px solid var(--border)}.msg-text{font-size:14.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word}.msg-footer{display:flex;align-items:center;gap:6px;margin-top:6px}.msg-time{font-size:10px;opacity:.35}.msg-emotion{font-size:12px;cursor:default}.typing-dots{display:flex;gap:5px;padding:6px 2px}.typing-dots span{width:8px;height:8px;border-radius:50%;background:var(--text-muted);animation:dotPulse 1s ease-in-out infinite}.typing-dots span:nth-child(2){animation-delay:.15s}.typing-dots span:nth-child(3){animation-delay:.3s}.chat-input-area{padding:12px 16px 20px;position:sticky;bottom:0;background:var(--bg-input-gradient)}.chat-input-box{max-width:780px;margin:0 auto;display:flex;align-items:flex-end;gap:8px;padding:10px 14px 10px 20px;background:var(--bg-input);border:1px solid var(--border);border-radius:22px;transition:all .2s}.chat-input-box:focus-within{border-color:var(--border-active);box-shadow:0 0 0 3px var(--accent-glow)}.incognito-mode .chat-input-box:focus-within{border-color:#fbbf2459;box-shadow:0 0 0 3px #fbbf2414}[data-theme=light] .chat-input-box{background:#fff;box-shadow:var(--shadow-sm)}.chat-textarea{flex:1;background:transparent;border:none;outline:none;font-size:14.5px;line-height:1.55;resize:none;max-height:150px;padding:4px 0}.send-btn{width:38px;height:38px;border-radius:var(--radius-md);background:var(--bg-card);color:var(--text-muted);display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.send-btn.active{background:var(--bg-bubble-user);color:#fff;box-shadow:0 2px 8px var(--accent-glow)}.send-btn.active:hover{transform:scale(1.08)}.chat-disclaimer{text-align:center;font-size:11px;color:var(--text-muted);opacity:.55;margin-top:10px;max-width:780px;margin-left:auto;margin-right:auto}@media (max-width:640px){.quick-prompts{grid-template-columns:1fr}.msg-bubble{max-width:85%}.welcome-title{font-size:26px}.chat-messages-scroll{padding:16px 12px 120px}}.echo-logo-animated{position:relative;display:inline-flex;align-items:center;justify-content:center}.echo-logo-svg{position:relative;z-index:1}.echo-logo-pulse{position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border-radius:50%;background:radial-gradient(circle,var(--accent-glow),transparent 70%);animation:logoPulseChat 3s ease-in-out infinite;z-index:0}@keyframes logoPulseChat{0%,to{transform:scale(1);opacity:.3}50%{transform:scale(1.3);opacity:.1}}.echo-eye{animation:blinkChat 4s ease-in-out infinite}.echo-eye-r{animation-delay:.1s}@keyframes blinkChat{0%,42%,46%,to{transform:scaleY(1)}44%{transform:scaleY(.1)}}.echo-logo-animated:hover .echo-logo-pulse{animation-duration:1.5s}.echo-logo-animated:hover .echo-logo-svg{transform:scale(1.08);transition:transform .2s}.profile-page{min-height:100vh;background:var(--bg-primary);display:flex;flex-direction:column;transition:background .3s}.profile-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-topbar);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10}.profile-back{color:var(--text-secondary);padding:8px;border-radius:var(--radius-sm);display:flex;align-items:center;transition:all .12s}.profile-back:hover{background:#ffffff0f;color:#fff}.profile-header-title{font-weight:600;font-size:15px}.profile-scroll{flex:1;overflow-y:auto}.profile-content{max-width:580px;margin:0 auto;padding:24px 16px 60px}.profile-user-card{text-align:center;padding:36px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);margin-bottom:20px}.profile-avatar-large{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-light));display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#fff;margin:0 auto;overflow:hidden}.profile-avatar-large img{width:100%;height:100%;object-fit:cover}.profile-name{font-size:22px;font-weight:700;margin-top:14px;color:#fff}.profile-email{font-size:14px;color:var(--text-secondary);margin-top:4px}.profile-provider{font-size:12px;color:var(--text-muted);margin-top:4px}.profile-stats-row{display:flex;justify-content:center;gap:36px;margin-top:24px;padding-top:24px;border-top:1px solid var(--border)}.profile-stat{text-align:center}.profile-stat-num{display:block;font-size:22px;font-weight:700;color:#fff;font-family:var(--font-display)}.profile-stat-label{font-size:11px;color:var(--text-muted);margin-top:2px;display:block}.profile-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;margin-bottom:16px}.profile-section.danger{border-color:#f8717126;background:#f8717105}.profile-section-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}.danger-title{color:var(--danger)!important}.profile-section-desc{font-size:13px;color:var(--text-muted);margin-bottom:16px;line-height:1.5}.profile-empty{font-size:13px;color:var(--text-muted);padding:8px 0}.memories-list{max-height:280px;overflow-y:auto}.memory-item{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.03)}.memory-item:last-child{border-bottom:none}.memory-content{flex:1;min-width:0}.memory-type{display:inline-block;font-size:11px;font-weight:600;margin-bottom:4px;opacity:.6}.memory-text{display:block;font-size:13px;color:var(--text-secondary);line-height:1.5;word-break:break-word}.memory-delete{color:var(--text-muted);padding:4px;border-radius:4px;display:flex;align-items:center;transition:all .12s;flex-shrink:0;margin-top:2px;opacity:0}.memory-item:hover .memory-delete{opacity:1}.memory-delete:hover{color:var(--danger);background:#f871711a}.profile-action-btn{width:100%;display:flex;align-items:center;justify-content:space-between;padding:16px;background:#ffffff05;border:1px solid var(--border);border-radius:var(--radius-md);transition:all .15s;margin-top:8px}.profile-action-btn:hover{background:#ffffff0a}.danger-action{color:var(--danger);border-color:#f8717126}.danger-action:hover{background:#f871710a!important}.action-btn-left{display:flex;align-items:center;gap:12px}.action-btn-title{font-size:14px;font-weight:500;text-align:left}.action-btn-desc{font-size:12px;opacity:.35;margin-top:2px;text-align:left}.action-arrow{opacity:.25;font-size:16px}.profile-logout{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;border-radius:var(--radius-md);border:1px solid var(--border);color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .15s;margin-top:8px}.profile-logout:hover{background:#ffffff0a;color:#fff}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.modal-card{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-xl);padding:28px;max-width:420px;width:100%;animation:fadeUp .25s ease-out}.modal-title{font-size:18px;font-weight:700;margin-bottom:10px;color:#fff}.modal-desc{font-size:14px;color:var(--text-secondary);line-height:1.65;margin-bottom:24px}.modal-actions{display:flex;gap:10px}.modal-cancel{flex:1;padding:12px;border-radius:var(--radius-sm);background:#ffffff0f;color:#fff;font-size:14px;font-weight:500;transition:all .15s}.modal-cancel:hover{background:#ffffff1a}.modal-cancel:disabled{opacity:.5}.modal-confirm{flex:1;padding:12px;border-radius:var(--radius-sm);background:#ef4444;color:#fff;font-size:14px;font-weight:600;transition:all .15s}.modal-confirm:hover{background:#dc2626}.modal-confirm:disabled{opacity:.6}:root,[data-theme=dark]{--bg-primary: #0a0a0c;--bg-secondary: #111114;--bg-tertiary: #18181c;--bg-card: rgba(255, 255, 255, .03);--bg-card-hover: rgba(255, 255, 255, .055);--bg-input: rgba(255, 255, 255, .05);--bg-bubble-user: linear-gradient(135deg, #6d5ce7, #7c6df0);--bg-bubble-echo: rgba(255, 255, 255, .055);--bg-sidebar: #0e0e11;--bg-topbar: rgba(10, 10, 12, .82);--bg-input-gradient: linear-gradient(transparent, #0a0a0c 30%);--border: rgba(255, 255, 255, .065);--border-hover: rgba(255, 255, 255, .12);--border-active: rgba(124, 109, 240, .35);--text-primary: #ededf0;--text-secondary: rgba(255, 255, 255, .55);--text-muted: rgba(255, 255, 255, .28);--text-bubble-user: #ffffff;--text-bubble-echo: #ededf0;--accent: #7c6df0;--accent-light: #a78bfa;--accent-bg: rgba(124, 109, 240, .12);--accent-border: rgba(124, 109, 240, .25);--accent-glow: rgba(124, 109, 240, .15);--danger: #f87171;--danger-bg: rgba(248, 113, 113, .08);--success: #34d399;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .5);--shadow-bubble: 0 1px 4px rgba(0, 0, 0, .2);--modal-overlay: rgba(0, 0, 0, .6);--scrollbar-thumb: rgba(255, 255, 255, .08);--scrollbar-hover: rgba(255, 255, 255, .15)}[data-theme=light]{--bg-primary: #f8f8fa;--bg-secondary: #ffffff;--bg-tertiary: #f0f0f4;--bg-card: rgba(0, 0, 0, .025);--bg-card-hover: rgba(0, 0, 0, .045);--bg-input: rgba(0, 0, 0, .04);--bg-bubble-user: linear-gradient(135deg, #6d5ce7, #7c6df0);--bg-bubble-echo: #ffffff;--bg-sidebar: #f2f2f6;--bg-topbar: rgba(248, 248, 250, .85);--bg-input-gradient: linear-gradient(transparent, #f8f8fa 30%);--border: rgba(0, 0, 0, .08);--border-hover: rgba(0, 0, 0, .15);--border-active: rgba(124, 109, 240, .4);--text-primary: #1a1a2e;--text-secondary: rgba(0, 0, 0, .55);--text-muted: rgba(0, 0, 0, .3);--text-bubble-user: #ffffff;--text-bubble-echo: #1a1a2e;--accent: #6d5ce7;--accent-light: #8b7cf0;--accent-bg: rgba(109, 92, 231, .08);--accent-border: rgba(109, 92, 231, .2);--accent-glow: rgba(109, 92, 231, .1);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .06);--success: #16a34a;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .1);--shadow-bubble: 0 1px 6px rgba(0, 0, 0, .06);--modal-overlay: rgba(0, 0, 0, .35);--scrollbar-thumb: rgba(0, 0, 0, .1);--scrollbar-hover: rgba(0, 0, 0, .18)}:root{--font-display: "Playfair Display", serif;--font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background .3s ease,color .3s ease}a{color:inherit;text-decoration:none}button{font-family:var(--font-body);cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:var(--font-body);color:var(--text-primary)}::placeholder{color:var(--text-muted)}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-hover)}.loading-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.loading-echo{text-align:center}.loading-echo p{margin-top:16px;font-size:14px;color:var(--text-muted)}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes dotPulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}