:root{--bg-primary:#0a0f0d;--bg-secondary:#0f1512;--bg-tertiary:#151d19;--bg-elevated:#1a241f;--text-primary:#f0f5f3;--text-secondary:#9ca8a2;--text-tertiary:#6b7a73;--accent-primary:#10b981;--accent-secondary:#34d399;--accent-tertiary:#059669;--accent-glow:rgba(16,185,129,.25);--accent-blue:#0ea5e9;--accent-blue-light:#38bdf8;--accent-blue-glow:rgba(14,165,233,.25);--success:#22c55e;--warning:#f59e0b;--error:#ef4444;--border-color:#1e2a25;--border-light:#2a3b34;--gradient-primary:linear-gradient(135deg,#10b981,#0ea5e9);--gradient-dark:linear-gradient(180deg,#0a0f0d,#0f1512);--gradient-card:linear-gradient(135deg,rgba(16,185,129,.05),rgba(14,165,233,.05));--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-full:9999px;--transition-fast:150ms ease;--transition-normal:250ms ease;--transition-slow:350ms ease;--shadow-sm:0 1px 2px rgba(0,0,0,.5);--shadow-md:0 4px 6px rgba(0,0,0,.5);--shadow-lg:0 10px 15px rgba(0,0,0,.5);--shadow-glow:0 0 30px var(--accent-glow);--shadow-glow-blue:0 0 30px var(--accent-blue-glow)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--accent-secondary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-primary)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:1.5rem}h4{font-size:1.25rem}@media (max-width:768px){h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.25rem}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);font-size:.875rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 40px var(--accent-glow)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid transparent}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-tertiary)}.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border-light)}.btn-outline:hover{border-color:var(--accent-primary);background:rgba(16,185,129,.1)}.btn-large{padding:var(--spacing-md) var(--spacing-xl);font-size:1rem}.btn-small{padding:var(--spacing-xs) var(--spacing-md);font-size:.8125rem}.btn-block{width:100%}.btn-loader{width:20px;height:20px;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.navbar{justify-content:space-between;padding:var(--spacing-md) var(--spacing-2xl);position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,15,13,.85);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color)}.nav-brand,.navbar{display:flex;align-items:center}.nav-brand{gap:var(--spacing-sm);font-size:1.5rem;font-weight:700}.nav-logo-img{border-radius:var(--radius-sm)}.brand-text{display:inline}.logo{color:var(--text-primary)}.logo-accent{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.slashed-zero{font-family:SF Mono,Monaco,Consolas,monospace;font-weight:inherit;font-size:.9em}.nav-links{display:flex;gap:var(--spacing-xl)}.nav-links a{color:var(--text-secondary);font-size:.875rem;font-weight:500}.nav-links a:hover{color:var(--text-primary)}.nav-actions{display:flex;gap:var(--spacing-md)}.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:var(--spacing-sm)}.mobile-menu-btn span{display:block;width:24px;height:2px;background:var(--text-primary);transition:var(--transition-fast)}@media (max-width:768px){.nav-actions,.nav-links{display:none}.mobile-menu-btn{display:flex}.navbar{padding:var(--spacing-md) var(--spacing-lg)}}.hero{display:grid;grid-template-columns:1fr 1fr;grid-gap:var(--spacing-3xl);gap:var(--spacing-3xl);min-height:100vh;padding:calc(80px + var(--spacing-3xl)) var(--spacing-2xl) var(--spacing-3xl);max-width:1400px;margin:0 auto}.hero,.hero-badge{align-items:center}.hero-badge{display:inline-flex;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-full);font-size:.75rem;font-weight:500;color:var(--accent-secondary);margin-bottom:var(--spacing-lg);border:1px solid var(--border-color)}.pulse{width:8px;height:8px;background:var(--success);border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}.hero h1{margin-bottom:var(--spacing-lg)}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);max-width:500px}.hero-actions{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-2xl)}.hero-stats{display:flex;gap:var(--spacing-2xl)}.stat{display:flex;flex-direction:column}.stat-value{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.stat-label{font-size:.75rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.hero-logo-container,.hero-visual{display:flex;justify-content:center;align-items:center}.hero-logo-container{position:relative}.hero-logo{border-radius:var(--radius-xl);filter:drop-shadow(0 0 40px var(--accent-glow)) drop-shadow(0 0 80px var(--accent-blue-glow));animation:logoFloat 6s ease-in-out infinite}@keyframes logoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.chat-preview{width:100%;max-width:450px;background:var(--bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--border-color);overflow:hidden;box-shadow:var(--shadow-lg),var(--shadow-glow)}.chat-preview-header{display:flex;align-items:center;padding:var(--spacing-md);background:var(--bg-tertiary);border-bottom:1px solid var(--border-color)}.chat-preview-dots{display:flex;gap:6px}.chat-preview-dots span{width:12px;height:12px;border-radius:50%;background:var(--border-light)}.chat-preview-dots span:first-child{background:#ef4444}.chat-preview-dots span:nth-child(2){background:#f59e0b}.chat-preview-dots span:last-child{background:#22c55e}.chat-preview-title{flex:1 1;text-align:center;font-size:.875rem;color:var(--text-secondary)}.credits-badge{font-family:SF Mono,Monaco,monospace;font-size:.75rem;color:var(--accent-secondary);background:rgba(16,185,129,.1);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm)}.chat-preview-messages{padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md);min-height:300px}.preview-message{max-width:85%;padding:var(--spacing-md);border-radius:var(--radius-lg);font-size:.875rem;line-height:1.5;animation:fadeInUp .3s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.preview-message.user{background:var(--accent-primary);color:#fff;margin-left:auto;border-bottom-right-radius:var(--radius-sm)}.preview-message.ai{background:var(--bg-tertiary);color:var(--text-primary);border-bottom-left-radius:var(--radius-sm)}.typing-indicator{display:flex;gap:4px;padding:var(--spacing-xs) 0}.typing-indicator span{width:8px;height:8px;background:var(--text-tertiary);border-radius:50%;animation:typing 1.4s ease-in-out infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}@media (max-width:1024px){.hero{grid-template-columns:1fr;text-align:center;padding-top:calc(80px + var(--spacing-2xl))}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-actions,.hero-stats{justify-content:center}.hero-visual{order:-1}.hero-logo{width:280px;height:280px}.chat-preview{max-width:400px}}@media (max-width:640px){.hero{padding-left:var(--spacing-lg);padding-right:var(--spacing-lg)}.hero-actions{flex-direction:column}.hero-stats{flex-wrap:wrap;gap:var(--spacing-lg)}.hero-logo{width:200px;height:200px}}section{padding:var(--spacing-3xl) var(--spacing-2xl);max-width:1400px;margin:0 auto}.section-header{text-align:center;margin-bottom:var(--spacing-3xl)}.section-header h2{margin-bottom:var(--spacing-md)}.section-header p{color:var(--text-secondary);font-size:1.125rem}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:var(--spacing-xl);gap:var(--spacing-xl)}.feature-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);transition:all var(--transition-normal)}.feature-card:hover{border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.feature-icon{width:48px;height:48px;background:var(--gradient-primary);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin-bottom:var(--spacing-lg)}.feature-icon svg{width:24px;height:24px;stroke:#fff}.feature-card h3{margin-bottom:var(--spacing-sm)}.feature-card p{color:var(--text-secondary);font-size:.875rem}@media (max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.features-grid{grid-template-columns:1fr}}.how-it-works{background:var(--bg-secondary);border-radius:var(--radius-xl);margin-left:var(--spacing-2xl);margin-right:var(--spacing-2xl)}.steps{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:var(--spacing-xl);gap:var(--spacing-xl)}.step{text-align:center;position:relative}.step:after{content:"";position:absolute;top:40px;right:-50%;width:100%;height:2px;background:var(--border-color)}.step:last-child:after{display:none}.step-number{font-size:3rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-md)}.step-content h3{margin-bottom:var(--spacing-sm)}.step-content p{color:var(--text-secondary);font-size:.875rem}@media (max-width:1024px){.steps{grid-template-columns:repeat(2,1fr)}.step:after{display:none}.how-it-works{margin-left:var(--spacing-lg);margin-right:var(--spacing-lg)}}@media (max-width:640px){.steps{grid-template-columns:1fr}}.billing-toggle{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);margin-bottom:var(--spacing-2xl)}.toggle-label{font-size:.875rem;color:var(--text-tertiary);transition:color var(--transition-fast)}.toggle-label.active{color:var(--text-primary)}.toggle-switch{position:relative;width:50px;height:26px;cursor:pointer}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{inset:0;background:var(--bg-tertiary);border-radius:var(--radius-full);border:1px solid var(--border-color)}.toggle-slider,.toggle-slider:before{position:absolute;transition:var(--transition-fast)}.toggle-slider:before{content:"";width:20px;height:20px;left:2px;bottom:2px;background:var(--text-secondary);border-radius:50%}.toggle-switch input:checked+.toggle-slider{background:var(--accent-primary);border-color:var(--accent-primary)}.toggle-switch input:checked+.toggle-slider:before{transform:translateX(24px);background:#fff}.save-badge{font-size:.7rem;background:var(--accent-primary);color:#fff;padding:2px 6px;border-radius:var(--radius-sm);margin-left:var(--spacing-xs)}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:var(--spacing-xl);gap:var(--spacing-xl);align-items:start}.pricing-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);position:relative;transition:all var(--transition-normal)}.pricing-card:hover{border-color:var(--border-light);transform:translateY(-4px)}.pricing-card.featured{border-color:var(--accent-primary);box-shadow:var(--shadow-glow);transform:scale(1.05)}.pricing-card.featured:hover{transform:scale(1.05) translateY(-4px)}.pricing-card.enterprise{background:var(--gradient-card)}.pricing-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gradient-primary);color:#fff;font-size:.75rem;font-weight:600;padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-full)}.pricing-header{text-align:center;padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border-color);margin-bottom:var(--spacing-lg)}.pricing-header h3{margin-bottom:var(--spacing-md);color:var(--text-secondary)}.price{display:flex;align-items:flex-start;justify-content:center;gap:2px}.currency{font-size:1.5rem;color:var(--text-secondary);margin-top:8px}.amount{font-size:4rem;font-weight:700;line-height:1}.amount.custom{font-size:2.5rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.period{font-size:1rem;margin-top:1.5rem}.period,.pricing-period{color:var(--text-tertiary)}.pricing-period{font-size:.875rem;margin-top:var(--spacing-sm)}.pricing-features{list-style:none;margin-bottom:var(--spacing-xl)}.pricing-features li{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) 0;color:var(--text-secondary);font-size:.875rem}.pricing-features svg{width:18px;height:18px;stroke:var(--accent-primary);flex-shrink:0}@media (max-width:1024px){.pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}.pricing-card.featured{transform:none}.pricing-card.featured:hover{transform:translateY(-4px)}}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);margin-top:var(--spacing-3xl)}.footer-content{display:flex;justify-content:space-between;padding:var(--spacing-3xl) var(--spacing-2xl) var(--spacing-xl);max-width:1400px;margin:0 auto}.footer-brand{max-width:300px}.footer-brand-logo{display:flex;align-items:center;gap:var(--spacing-sm)}.footer-logo-img{border-radius:var(--radius-sm)}.footer-brand .logo,.footer-brand .logo-accent{font-size:1.5rem}.footer-brand p{color:var(--text-tertiary);margin-top:var(--spacing-md);font-size:.875rem}.footer-links{display:flex;gap:var(--spacing-3xl)}.footer-column h4{color:var(--text-primary);font-size:.875rem;margin-bottom:var(--spacing-md)}.footer-column a{display:block;color:var(--text-tertiary);font-size:.875rem;padding:var(--spacing-xs) 0}.footer-column a:hover{color:var(--text-secondary)}.footer-bottom{text-align:center;padding:var(--spacing-lg) var(--spacing-2xl);border-top:1px solid var(--border-color)}.footer-bottom p{color:var(--text-tertiary);font-size:.75rem}@media (max-width:768px){.footer-content{flex-direction:column;gap:var(--spacing-2xl)}.footer-links{flex-wrap:wrap;gap:var(--spacing-xl)}}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.8);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;visibility:hidden;transition:all var(--transition-normal)}.modal-overlay.active{opacity:1;visibility:visible}.modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);width:100%;max-width:450px;max-height:90vh;overflow-y:auto;position:relative;transform:translateY(20px);transition:transform var(--transition-normal)}.modal-overlay.active .modal{transform:translateY(0)}.modal-close{position:absolute;top:var(--spacing-md);right:var(--spacing-md);background:none;border:none;color:var(--text-tertiary);font-size:1.5rem;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);transition:all var(--transition-fast)}.modal-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}.modal-content{padding:var(--spacing-2xl)}.auth-form h2{margin-bottom:var(--spacing-xs)}.auth-subtitle{color:var(--text-secondary);margin-bottom:var(--spacing-xl)}.form-group{margin-bottom:var(--spacing-lg)}.form-group label{display:block;font-size:.875rem;font-weight:500;margin-bottom:var(--spacing-sm);color:var(--text-secondary)}.form-group input,.form-group textarea{width:100%;padding:var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-family:inherit;transition:all var(--transition-fast);resize:vertical}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-tertiary)}.form-hint{display:block;font-size:.75rem;color:var(--text-tertiary);margin-top:var(--spacing-xs)}.form-error{color:var(--error);font-size:.75rem;margin-top:var(--spacing-sm)}.form-checkbox{display:flex;align-items:flex-start;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.form-checkbox input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent-primary)}.form-checkbox label{font-size:.875rem;color:var(--text-secondary)}.auth-switch{text-align:center;margin-top:var(--spacing-lg);color:var(--text-tertiary);font-size:.875rem}.btn-google{background:#fff;color:#1f1f1f;border:1px solid var(--border-color);font-weight:500}.btn-google:hover{background:#f8f8f8;border-color:var(--border-light)}.btn-google svg{flex-shrink:0}.auth-divider{display:flex;align-items:center;margin:var(--spacing-lg) 0}.auth-divider:after,.auth-divider:before{content:"";flex:1 1;height:1px;background:var(--border-color)}.auth-divider span{padding:0 var(--spacing-md);color:var(--text-tertiary);font-size:.8125rem}.plan-selector{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.plan-option{display:block;cursor:pointer}.plan-option input{display:none}.plan-option-content{display:flex;flex-direction:column;gap:var(--spacing-xs);padding:var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:all var(--transition-fast)}.plan-option input:checked+.plan-option-content{border-color:var(--accent-primary);background:rgba(16,185,129,.1)}.plan-option-header{display:flex;justify-content:space-between;align-items:center}.plan-name{font-weight:500}.plan-price{font-weight:600;color:var(--accent-secondary)}.plan-details{color:var(--text-tertiary);font-size:.8125rem}.enterprise-option .plan-option-content{background:var(--gradient-card)}.billing-option{margin-bottom:var(--spacing-lg)}.billing-checkbox{display:flex;align-items:center;gap:var(--spacing-sm);cursor:pointer;font-size:.875rem;color:var(--text-secondary)}.billing-checkbox input{width:18px;height:18px;accent-color:var(--accent-primary)}.save-text{color:var(--accent-secondary)}.payment-section{margin-bottom:var(--spacing-lg)}.payment-section h3{font-size:.875rem;color:var(--text-secondary);margin-bottom:var(--spacing-md)}#card-element{border:1px solid var(--border-color)}#card-element,.order-summary{padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md)}.order-summary{margin-bottom:var(--spacing-lg)}.summary-row{display:flex;justify-content:space-between;padding:var(--spacing-sm) 0;font-size:.875rem;color:var(--text-secondary)}.summary-row.total{border-top:1px solid var(--border-color);margin-top:var(--spacing-sm);padding-top:var(--spacing-md);font-weight:600;color:var(--text-primary)}.payment-security{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);color:var(--text-tertiary);font-size:.75rem;margin-top:var(--spacing-md);margin-bottom:var(--spacing-md)}.waitlist-info{background:var(--bg-tertiary);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-xl)}.waitlist-info p{color:var(--text-secondary);font-size:.875rem;line-height:1.6}.success-icon{width:64px;height:64px;background:var(--accent-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto var(--spacing-lg)}.success-icon svg{width:32px;height:32px;stroke:#fff}.chat-interface{position:fixed;inset:0;background:var(--bg-primary);display:flex;flex-direction:column;z-index:300}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-xl);background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.chat-header-left .logo,.chat-header-left .logo-accent{font-size:1.25rem}.credits-info{display:flex;align-items:center;gap:var(--spacing-sm);background:var(--bg-tertiary);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md)}.credits-label{font-size:.75rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.credits-value{font-family:SF Mono,Monaco,monospace;font-size:1rem;font-weight:600;color:var(--accent-secondary)}.chat-header-right{display:flex;gap:var(--spacing-sm)}.chat-messages{flex:1 1;overflow-y:auto;padding:var(--spacing-xl);display:flex;flex-direction:column;gap:var(--spacing-lg)}.chat-welcome{max-width:500px;margin:auto;text-align:center;padding:var(--spacing-2xl)}.welcome-icon{width:64px;height:64px;background:var(--gradient-primary);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;margin:0 auto var(--spacing-lg)}.welcome-icon svg{width:32px;height:32px;stroke:#fff}.chat-welcome h2{font-size:1.5rem;margin-bottom:var(--spacing-md)}.chat-welcome p{color:var(--text-secondary);margin-bottom:var(--spacing-xl)}.welcome-features{display:flex;flex-direction:column;gap:var(--spacing-sm)}.welcome-feature{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);color:var(--text-secondary);font-size:.875rem}.welcome-feature svg{width:16px;height:16px;stroke:var(--accent-primary)}.message{display:flex;gap:var(--spacing-md);max-width:80%;animation:fadeInUp .3s ease}.message.user{margin-left:auto;flex-direction:row-reverse}.message-avatar{width:36px;height:36px;border-radius:var(--radius-md);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.message.user .message-avatar{background:var(--accent-primary)}.message-avatar svg{width:20px;height:20px;stroke:var(--text-secondary)}.message.user .message-avatar svg{stroke:#fff}.message-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-md)}.message.user .message-content{background:var(--accent-primary);border-color:var(--accent-primary)}.message-content p{font-size:.9375rem;line-height:1.6}.message.user .message-content p{color:#fff}.message-time{font-size:.75rem;color:var(--text-tertiary);margin-top:var(--spacing-xs)}.message.user .message-time{color:hsla(0,0%,100%,.7)}.chat-input-container{padding:var(--spacing-lg) var(--spacing-xl);background:var(--bg-secondary);border-top:1px solid var(--border-color)}.chat-input-wrapper{display:flex;align-items:flex-end;gap:var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-sm) var(--spacing-md);transition:border-color var(--transition-fast)}.chat-input-wrapper:focus-within{border-color:var(--accent-primary)}.chat-input-wrapper textarea{flex:1 1;background:none;border:none;color:var(--text-primary);font-size:1rem;line-height:1.5;resize:none;max-height:150px;padding:var(--spacing-sm) 0;font-family:inherit}.chat-input-wrapper textarea:focus{outline:none}.chat-input-wrapper textarea::placeholder{color:var(--text-tertiary)}.send-btn{width:40px;height:40px;background:var(--accent-primary);border:none;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);flex-shrink:0}.send-btn:hover{background:var(--accent-secondary);transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.send-btn svg{width:20px;height:20px;stroke:#fff}.chat-input-footer{display:flex;justify-content:space-between;margin-top:var(--spacing-sm);font-size:.75rem;color:var(--text-tertiary)}.encryption-badge{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--accent-secondary)}.hidden{display:none!important}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.legal-page{min-height:100vh;display:flex;flex-direction:column}.legal-page .navbar{position:relative;justify-content:center}.legal-content{flex:1 1;max-width:800px;margin:0 auto;padding:var(--spacing-3xl) var(--spacing-xl)}.legal-content h1{font-size:2.5rem;margin-bottom:var(--spacing-sm);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.legal-content .effective-date{color:var(--text-tertiary);font-size:.875rem;margin-bottom:var(--spacing-xl)}.legal-content .intro{color:var(--text-secondary);font-size:1.125rem;line-height:1.7;padding-bottom:var(--spacing-2xl);border-bottom:1px solid var(--border-color)}.legal-content .intro,.legal-section{margin-bottom:var(--spacing-2xl)}.legal-section h2{font-size:1.5rem;color:var(--text-primary);margin-bottom:var(--spacing-md)}.legal-section h3{font-size:1.125rem;color:var(--accent-secondary);margin-top:var(--spacing-lg);margin-bottom:var(--spacing-sm)}.legal-section p{color:var(--text-secondary);line-height:1.7;margin-bottom:var(--spacing-md)}.legal-section ul{list-style:none;margin-bottom:var(--spacing-md);padding-left:var(--spacing-md)}.legal-section ul li{color:var(--text-secondary);line-height:1.7;padding:var(--spacing-xs) 0;position:relative;padding-left:var(--spacing-lg)}.legal-section ul li:before{content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;background:var(--accent-primary);border-radius:50%}.legal-section a{color:var(--accent-secondary)}.legal-section a:hover{color:var(--accent-primary);text-decoration:underline}.legal-section strong{color:var(--text-primary)}.legal-footer{text-align:center;padding:var(--spacing-lg) var(--spacing-xl);border-top:1px solid var(--border-color);background:var(--bg-secondary)}.legal-footer p{color:var(--text-tertiary);font-size:.75rem}@media (max-width:768px){.legal-content{padding:var(--spacing-2xl) var(--spacing-lg)}.legal-content h1{font-size:2rem}}[data-amplify-authenticator]{--amplify-colors-background-primary:var(--bg-secondary);--amplify-colors-background-secondary:var(--bg-tertiary);--amplify-colors-brand-primary-10:var(--accent-glow);--amplify-colors-brand-primary-80:var(--accent-primary);--amplify-colors-brand-primary-90:var(--accent-secondary);--amplify-colors-brand-primary-100:var(--accent-tertiary);--amplify-colors-font-primary:var(--text-primary);--amplify-colors-font-secondary:var(--text-secondary);--amplify-colors-border-primary:var(--border-color);--amplify-colors-border-focus:var(--accent-primary);--amplify-radii-small:var(--radius-sm);--amplify-radii-medium:var(--radius-md);--amplify-radii-large:var(--radius-lg)}.dashboard{min-height:100vh;background:var(--bg-primary)}.dashboard-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-2xl);background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.dashboard-brand{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.5rem;font-weight:700}.dashboard-user{display:flex;align-items:center;gap:var(--spacing-md)}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}.user-email{color:var(--text-secondary);font-size:.875rem}.dashboard-main{max-width:1000px;margin:0 auto;padding:var(--spacing-2xl)}.dashboard-welcome{margin-bottom:var(--spacing-2xl)}.dashboard-welcome h1{font-size:2rem;margin-bottom:var(--spacing-sm)}.dashboard-welcome p{color:var(--text-secondary)}.dashboard-stats{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:var(--spacing-lg);gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl)}.stat-card{display:flex;align-items:flex-start;gap:var(--spacing-lg);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);transition:all var(--transition-normal)}.stat-card:hover{border-color:var(--border-light)}.stat-card.warning{border-color:var(--warning)}.stat-card.danger{border-color:var(--error)}.stat-card-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-card-icon svg{width:24px;height:24px}.stat-card-icon.credits-icon{background:rgba(16,185,129,.15)}.stat-card-icon.credits-icon svg{stroke:var(--accent-primary)}.stat-card-icon.subscription-icon{background:rgba(14,165,233,.15)}.stat-card-icon.subscription-icon svg{stroke:var(--accent-blue)}.stat-card-content{display:flex;flex-direction:column;gap:var(--spacing-xs)}.stat-card-label{font-size:.75rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.stat-card-value{font-size:1.75rem;font-weight:700;font-family:SF Mono,Monaco,monospace}.stat-card-value.plan-value{display:flex;align-items:center;gap:var(--spacing-sm);font-family:inherit}.active-badge{font-size:.625rem;background:var(--accent-primary);color:#fff;padding:2px 8px;border-radius:var(--radius-full);font-weight:500;text-transform:uppercase}.stat-card-detail{font-size:.875rem;color:var(--text-secondary)}.stat-card-warning{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.75rem;color:var(--warning)}.stat-card.danger .stat-card-warning{color:var(--error)}.stat-card-warning svg{width:14px;height:14px}.dashboard-cta-section{display:flex;flex-direction:column;gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl)}.cta-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-xl);transition:all var(--transition-normal)}.cta-card:hover{border-color:var(--border-light)}.cta-card.primary{background:var(--gradient-card);border-color:var(--accent-primary)}.cta-card.subscribe{flex-direction:column;align-items:stretch}.cta-content{gap:var(--spacing-lg)}.cta-content,.cta-icon{display:flex;align-items:center}.cta-icon{width:48px;height:48px;background:var(--bg-tertiary);border-radius:var(--radius-lg);justify-content:center;flex-shrink:0}.cta-icon svg{width:24px;height:24px;stroke:var(--text-secondary)}.cta-icon.highlight{background:var(--gradient-primary)}.cta-icon.highlight svg{stroke:#fff}.cta-text h3{font-size:1.125rem;margin-bottom:var(--spacing-xs)}.cta-text p{color:var(--text-secondary);font-size:.875rem}.plan-options{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:var(--spacing-md);gap:var(--spacing-md);margin-top:var(--spacing-lg)}.plan-btn{flex-direction:column;align-items:flex-start;padding:var(--spacing-lg);height:auto}.plan-btn-name{font-size:1rem;font-weight:600}.plan-btn-price{font-size:1.25rem;font-weight:700;margin:var(--spacing-xs) 0}.plan-btn-credits{font-size:.75rem;opacity:.8}.plan-btn.featured{box-shadow:var(--shadow-glow)}.plan-features-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl)}.plan-features-card h3{margin-bottom:var(--spacing-lg);font-size:1rem}.feature-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);grid-gap:var(--spacing-sm);gap:var(--spacing-sm)}.feature-list li{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--text-secondary);font-size:.875rem}.feature-list svg{width:18px;height:18px;stroke:var(--accent-primary);flex-shrink:0}.auth-terms{text-align:center;font-size:.75rem;color:var(--text-tertiary);margin-top:var(--spacing-lg);margin-bottom:var(--spacing-md)}.auth-terms a{color:var(--accent-secondary)}.signup-benefits{background:var(--bg-tertiary);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-xl)}.benefit-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) 0;color:var(--text-secondary);font-size:.875rem}.benefit-item svg{width:18px;height:18px;stroke:var(--accent-primary);flex-shrink:0}.chat-header-left{display:flex;align-items:center}.back-btn{margin-right:var(--spacing-md)}.credits-info.warning{background:rgba(245,158,11,.15)}.credits-info.warning .credits-value{color:var(--warning)}.credits-info.danger{background:rgba(239,68,68,.15)}.credits-info.danger .credits-value{color:var(--error)}@media (max-width:768px){.dashboard-header{padding:var(--spacing-md) var(--spacing-lg)}.dashboard-main{padding:var(--spacing-lg)}.dashboard-stats{grid-template-columns:1fr}.cta-card{flex-direction:column;align-items:stretch}.cta-card .btn{width:100%}.feature-list,.plan-options{grid-template-columns:1fr}}.models-section{margin-bottom:var(--spacing-2xl)}.section-title{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.25rem;margin-bottom:var(--spacing-lg)}.section-title svg{width:24px;height:24px;stroke:var(--accent-primary)}.models-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:var(--spacing-lg);gap:var(--spacing-lg)}.model-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-lg);transition:all var(--transition-normal);text-decoration:none;display:flex;flex-direction:column}.model-card.available:hover{border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.model-card.locked{opacity:.6;cursor:not-allowed}.model-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-sm)}.model-name{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.model-provider{font-size:.75rem;color:var(--text-tertiary);background:var(--bg-tertiary);padding:2px 8px;border-radius:var(--radius-sm)}.model-description{color:var(--text-secondary);font-size:.875rem;line-height:1.5;flex:1 1;margin-bottom:var(--spacing-md)}.model-card-footer{display:flex;justify-content:space-between;align-items:center}.start-chat-link{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--accent-secondary);font-size:.875rem;font-weight:500}.external-link-icon{width:14px;height:14px}.tier-badge{font-size:.75rem;color:var(--accent-blue);background:rgba(14,165,233,.15);padding:4px 10px;border-radius:var(--radius-full);font-weight:500}.locked-section .section-title svg{stroke:var(--accent-blue)}@media (max-width:640px){.models-grid{grid-template-columns:1fr}}