.site-header{position:fixed;top:0;left:0;right:0;background:var(--color-bg);z-index:1000;padding:0 24px;transition:background .3s ease}.header-container{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:72px;border-bottom:1px dashed var(--color-border-dashed)}.logo{font-family:Sora,-apple-system,BlinkMacSystemFont,sans-serif;font-size:22px;font-weight:700;letter-spacing:-.03em;color:var(--color-text-primary);text-decoration:none;display:flex;align-items:center;gap:10px;transition:opacity .2s}.logo:hover{opacity:.8}.logo-icon{width:28px;height:28px;color:var(--color-text-primary)}.logo-icon .logo-center{fill:var(--color-bg);transition:fill .3s ease}.logo-divider{width:1px;height:24px;background:var(--color-border-dashed)}.logo-tagline{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px;font-weight:500;color:var(--color-text-muted);letter-spacing:0}.nav-links{display:flex;align-items:center;gap:36px;list-style:none;margin:0;padding:0}.nav-links a{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;text-decoration:none;color:var(--color-text-secondary);font-size:15px;font-weight:500;transition:color .2s;position:relative}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--color-text-primary);transition:width .2s}.nav-links a:hover{color:var(--color-text-primary)}.nav-links a:hover:after{width:100%}.nav-links a.active{color:var(--color-text-primary)}.nav-links a.active:after{width:100%}.btn-primary{background:var(--color-accent);border:none;color:var(--color-bg);padding:12px 24px;border-radius:8px;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:transparent;border:1px solid var(--color-border);color:var(--color-text-primary);padding:12px 24px;border-radius:8px;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.btn-secondary:hover{border-color:var(--color-text-primary);background:var(--color-bg-white)}.header-history{display:flex;align-items:center;gap:8px;margin-right:12px;padding-right:12px;border-right:1px solid var(--color-border);position:relative}.header-history-button{display:flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--color-border);border-radius:8px;padding:8px 14px;cursor:pointer;transition:all .2s ease;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;font-weight:500;color:var(--color-text-secondary);position:relative}.header-history-button:hover,.header-history-button.active{background:var(--color-bg-white);border-color:var(--color-text-primary);color:var(--color-text-primary)}.header-history-icon{width:16px;height:16px;transition:transform .3s cubic-bezier(.4,0,.2,1);color:currentColor}.history-count{background:var(--color-bg-secondary, #f5f5f5);border-radius:12px;padding:2px 8px;font-size:12px;font-weight:600;color:var(--color-text-primary);min-width:20px;text-align:center}.header-history-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:12px;box-shadow:var(--shadow-lg, 0 8px 32px rgba(0, 0, 0, .12));min-width:320px;max-width:400px;max-height:500px;overflow:hidden;z-index:1001;animation:dropdownFadeIn .2s ease-out}.header-history-dropdown-content::-webkit-scrollbar{width:6px}.header-history-dropdown-content::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.header-history-dropdown-content::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.header-history-item{padding:14px 12px;cursor:pointer;border-radius:8px;transition:all .15s ease;display:flex;flex-direction:column;gap:4px;margin-bottom:4px;border:1px solid transparent}.header-history-item:hover{background:var(--color-bg);border-color:var(--color-border)}.header-history-item-title{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;font-weight:500;color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-history-item-time{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:12px;color:var(--color-text-muted)}.header-history-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;text-align:center;color:var(--color-text-muted)}.header-history-empty svg{margin-bottom:12px;opacity:.5}.header-history-empty span{font-size:14px;font-weight:500;color:var(--color-text-secondary)}.header-history-empty-hint{font-size:12px!important;font-weight:400!important;color:var(--color-text-muted)!important;margin-top:4px}@media (max-width: 1024px){.nav-links{display:none}.header-history{margin-right:8px;padding-right:8px}.header-history-button span:not(.history-count){display:none}.logo-divider,.logo-tagline{display:none}}@media (max-width: 640px){.header-container{height:64px}.logo{font-size:20px}.logo-icon{width:24px;height:24px}.btn-primary{padding:10px 18px;font-size:13px}.header-history-dropdown{min-width:280px;right:-40px}}.footer{background:var(--color-bg-primary);border-top:1px dashed var(--color-border-dashed);transition:background .3s ease}.footer-container{max-width:1400px;margin:0 auto;border-left:1px dashed var(--color-border-dashed);border-right:1px dashed var(--color-border-dashed)}.footer-main{display:grid;grid-template-columns:1.5fr 1fr;gap:80px;padding:64px 48px}.footer-brand{max-width:400px}.footer-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;margin-bottom:20px}.footer-logo .logo-icon{width:26px;height:26px;color:var(--color-text-primary)}.footer-logo .logo-icon .logo-center{fill:var(--color-bg);transition:fill .3s ease}.footer-logo .logo-text{font-family:Sora,-apple-system,BlinkMacSystemFont,sans-serif;font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--color-text-primary)}.footer-logo .logo-divider{width:1px;height:18px;background:var(--color-border-dashed);margin:0 4px}.footer-logo .logo-tagline{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:12px;font-weight:500;color:var(--color-text-muted)}.footer-tagline{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.7;color:var(--color-text-secondary);margin-bottom:28px}.footer-social a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:50%;color:var(--color-text-secondary);transition:all .2s}.footer-social a:hover{border-color:var(--color-text-primary);color:var(--color-text-primary);transform:translateY(-2px)}.footer-column h4{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;font-weight:600;color:var(--color-text-primary);margin-bottom:20px}.footer-column li{margin-bottom:14px}.footer-column a{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;color:var(--color-text-secondary);text-decoration:none;transition:color .2s}.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:24px 48px;border-top:1px dashed var(--color-border-dashed)}.footer-copyright{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px;color:var(--color-text-muted)}.footer-bottom-links a{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px;color:var(--color-text-muted);text-decoration:none;transition:color .2s}.theme-toggle{display:flex;align-items:center;padding:10px 14px;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:100px;cursor:pointer;transition:all .2s}.theme-toggle:hover{border-color:var(--color-text-primary)}.theme-toggle-icon{width:18px;height:18px;color:var(--color-text-secondary);transition:color .2s,transform .3s}.theme-toggle:hover .theme-toggle-icon{color:var(--color-text-primary);transform:rotate(15deg)}@media (max-width: 1024px){.footer-main{grid-template-columns:1fr;gap:48px;padding:48px 32px}.footer-brand{max-width:100%}.footer-bottom{padding:24px 32px}}@media (max-width: 768px){.footer-logo .logo-divider,.footer-logo .logo-tagline{display:none}.footer-links{grid-template-columns:repeat(2,1fr);gap:32px}}@media (max-width: 640px){.footer-container{border-left:none;border-right:none}.footer-main{padding:40px 24px}.footer-bottom{flex-direction:column;gap:20px;padding:24px;text-align:center}.footer-bottom-links{flex-wrap:wrap;justify-content:center;gap:16px}}.login-divider{display:flex;align-items:center;text-align:center;margin:24px 0;color:#a3a3a3;font-size:13px}.login-divider:before,.login-divider:after{content:"";flex:1;border-bottom:1px solid #e5e5e5}.login-divider span{padding:0 16px}.login-form{display:flex;flex-direction:column;gap:12px}.login-input{width:100%;padding:14px 16px;border:1px solid #e5e5e5;border-radius:10px;font-size:15px;color:#171717;background:#fff;transition:all .15s;box-sizing:border-box}.login-input::placeholder{color:#a3a3a3}.login-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.login-button-email{background:#111;color:#fff;border-color:#111;margin-top:4px}.login-button-email:hover:not(:disabled){background:#000;border-color:#000}.login-toggle{font-size:14px;color:#525252;text-align:center;margin-top:20px}.login-toggle button{background:none;border:none;color:#3b82f6;font-size:14px;font-weight:500;cursor:pointer;padding:0;transition:color .15s}.login-toggle button:hover{color:#2563eb;text-decoration:underline}:root{--color-bg: #f7f7f5;--color-bg-white: #ffffff;--color-bg-secondary: #fafaf9;--color-bg-tertiary: #f0f0ef;--color-text-primary: #0a0a0a;--color-text-secondary: #525252;--color-text-muted: #737373;--color-text-placeholder: #a3a3a3;--color-border: #e5e5e5;--color-border-dashed: #d1d1d1;--color-accent: #0a0a0a;--color-accent-hover: #1a1a1a;--color-accent-light: #f5f5f5;--color-link: #0a0a0a;--font-display: "Sora", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--section-padding: 100px 24px;--section-padding-mobile: 60px 16px;--border-dashed: 1px dashed var(--color-border-dashed);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .12)}[data-theme=dark]{--color-bg: #0a0a0a;--color-bg-white: #141414;--color-bg-secondary: #1a1a1a;--color-bg-tertiary: #222222;--color-text-primary: #fafafa;--color-text-secondary: #a3a3a3;--color-text-muted: #737373;--color-text-placeholder: #525252;--color-border: #2a2a2a;--color-border-dashed: #333333;--color-accent: #ffffff;--color-accent-hover: #e5e5e5;--color-accent-light: #1a1a1a;--color-link: #ffffff;--shadow-sm: 0 1px 2px 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)}body{font-family:var(--font-body);background:var(--color-bg);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background .3s ease,color .3s ease}.site-header{position:fixed;top:0;left:0;right:0;background:var(--color-bg);z-index:1000;padding:0 24px}.header-container{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:72px;border-bottom:var(--border-dashed)}.logo-container{display:flex;align-items:center;gap:16px}.logo{font-family:var(--font-display);font-size:24px;font-weight:700;letter-spacing:-.03em;color:var(--color-text-primary);text-decoration:none;display:flex;align-items:center;gap:10px}.logo-icon{width:32px;height:32px}.logo-divider{width:1px;height:24px;background:var(--color-border);margin:0 4px}.logo-tagline{font-family:var(--font-body);font-size:13px;font-weight:400;color:var(--color-text-muted);letter-spacing:0}.logo:hover{color:var(--color-text-primary)}.nav-links{display:flex;align-items:center;gap:40px;list-style:none;margin:0;padding:0}.nav-links a{text-decoration:none;color:var(--color-text-secondary);font-size:15px;font-weight:500;transition:color .2s;font-family:var(--font-body)}.nav-links a:hover,.nav-links a.active{color:var(--color-text-primary)}.header-actions{display:flex;align-items:center;gap:12px}.btn-primary{background:var(--color-accent);border:none;color:var(--color-bg);padding:12px 24px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body)}.btn-primary:hover{background:var(--color-accent-hover);transform:translateY(-1px)}.btn-secondary{background:transparent;border:1px solid var(--color-border);color:var(--color-text-primary);padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body)}.btn-secondary:hover{border-color:var(--color-text-primary);background:var(--color-bg-secondary)}.home-main{padding-top:72px}.hero-section{position:relative;padding:80px 24px 60px;text-align:center;border-left:var(--border-dashed);border-right:var(--border-dashed);margin:0 auto;max-width:1400px}.hero-section:before,.hero-section:after{content:"";position:absolute;width:40px;height:40px;border-color:var(--color-border-dashed);border-style:dashed;border-width:0}.hero-section:before{top:0;left:0;border-top-width:1px;border-left-width:1px}.hero-section:after{top:0;right:0;border-top-width:1px;border-right-width:1px}.stats-banner{display:inline-flex;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:center;gap:20px;padding:14px 32px;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:100px;margin-bottom:48px;box-shadow:0 2px 8px #0000000a}.stat-item{font-family:var(--font-body);font-size:14px;font-weight:500;color:var(--color-text-primary);white-space:nowrap;display:inline}.stat-divider{width:1px;height:16px;background:var(--color-border);flex-shrink:0;display:inline-block}.hero-content{max-width:900px;margin:0 auto}.hero-content h1{font-family:var(--font-display);font-size:clamp(52px,8vw,96px);font-weight:600;line-height:1.02;letter-spacing:-.04em;color:var(--color-text-primary);margin-bottom:28px}.hero-description{font-size:20px;color:var(--color-text-secondary);line-height:1.6;max-width:680px;margin:0 auto 48px}.hero-actions{display:flex;gap:16px;justify-content:center;align-items:center}.btn-trustpilot{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:8px;font-size:14px;font-weight:500;color:var(--color-text-primary);text-decoration:none;transition:all .2s}.btn-trustpilot:hover{border-color:var(--color-text-primary)}.prompt-section{padding:0 24px 80px;border-left:var(--border-dashed);border-right:var(--border-dashed);margin:0 auto;max-width:1400px}.prompt-card{max-width:680px;margin:0 auto;display:flex;flex-direction:column;gap:24px}.prompt-card-inner{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;overflow:hidden;box-shadow:0 4px 24px #0000000f;transition:all .3s}.prompt-card-inner:hover{box-shadow:0 8px 32px #00000014}.prompt-card-inner:focus-within{border-color:var(--color-accent);box-shadow:0 0 0 3px #0a0a0a0f}.prompt-form{display:flex;flex-direction:column}.prompt-input-area{padding:24px 24px 16px}#promptInput{width:100%;background:transparent;border:none;outline:none;resize:none;font-size:16px;min-height:24px;max-height:200px;overflow-y:auto;color:var(--color-text-primary);font-family:var(--font-body);line-height:1.6}#promptInput::placeholder{color:var(--color-text-muted)}.image-preview-container{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.image-preview-item{position:relative;width:72px;height:72px;border-radius:10px;overflow:hidden;border:1px solid var(--color-border)}.image-preview-item img{width:100%;height:100%;object-fit:cover}.image-preview-item button{position:absolute;top:4px;right:4px;background:#000000b3;color:#fff;border:none;border-radius:50%;width:20px;height:20px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s}.image-preview-item button:hover{background:#000000e6}.prompt-toolbar{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--color-bg-secondary, #fafaf9);border-top:1px solid var(--color-border)}.prompt-toolbar-left{display:flex;gap:8px}.toolbar-btn{display:flex;align-items:center;gap:6px;background:transparent;border:none;padding:10px 14px;border-radius:8px;font-size:13px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;transition:all .15s;font-family:var(--font-body)}.toolbar-btn:hover{background:var(--color-bg-white);color:var(--color-text-primary)}.toolbar-btn.engineering-toggle{border:1.5px solid transparent;position:relative}.toolbar-btn.engineering-toggle:hover{border-color:var(--color-link);background:var(--color-bg-white)}.toolbar-btn.engineering-toggle.active{background:var(--color-bg-tertiary);border-color:var(--color-link);color:var(--color-link)}.toolbar-btn.engineering-toggle .toggle-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.toolbar-btn.engineering-toggle .toggle-badge.off{background:var(--color-bg-tertiary);color:var(--color-text-muted)}.toolbar-btn.engineering-toggle .toggle-badge.on{background:var(--color-link);color:#fff}.submit-btn{display:flex;align-items:center;gap:8px;background:var(--color-accent);border:none;color:var(--color-bg);padding:12px 24px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--font-body)}.submit-btn:hover{background:var(--color-accent-hover);transform:translateY(-1px)}.suggestions{display:flex;flex-direction:column;gap:12px;align-items:center}.suggestions-label{font-size:13px;font-weight:500;color:var(--color-text-muted)}.suggestion-chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.suggestion-chip{display:flex;align-items:center;gap:8px;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:100px;padding:10px 18px;font-size:13px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;transition:all .2s;font-family:var(--font-body)}.suggestion-chip:hover{border-color:var(--color-text-primary);color:var(--color-text-primary);transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.suggestion-chip svg{color:var(--color-text-muted);transition:color .15s}.suggestion-chip:hover svg{color:var(--color-text-primary)}.features-section{border-top:var(--border-dashed);background:var(--color-bg)}.features-container{max-width:1400px;margin:0 auto;border-left:var(--border-dashed);border-right:var(--border-dashed)}.features-header{padding:80px 48px 48px;display:flex;align-items:flex-start;justify-content:space-between;gap:40px}.features-header-text h2{font-family:var(--font-display);font-size:clamp(32px,4vw,48px);font-weight:600;letter-spacing:-.03em;color:var(--color-text-primary);line-height:1.15;margin-bottom:16px}.features-header-text p{font-size:17px;color:var(--color-text-secondary);line-height:1.6;max-width:480px}.view-all-link{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border:1px solid var(--color-border);border-radius:8px;font-size:14px;font-weight:500;color:var(--color-text-primary);text-decoration:none;transition:all .2s;white-space:nowrap}.view-all-link:hover{border-color:var(--color-text-primary)}.view-all-link svg{transition:transform .2s}.view-all-link:hover svg{transform:translate(4px)}.features-tabs{display:flex;border-top:var(--border-dashed);border-bottom:var(--border-dashed)}.feature-tab{flex:1;padding:20px 24px;background:transparent;border:none;border-right:var(--border-dashed);font-size:15px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;transition:all .2s;font-family:var(--font-body);text-align:center}.feature-tab:last-child{border-right:none}.feature-tab:hover{color:var(--color-text-primary);background:var(--color-bg-white)}.feature-tab.active{color:var(--color-text-primary);background:var(--color-bg-white);position:relative}.feature-tab.active:after{content:"";position:absolute;bottom:0;left:24px;right:24px;height:2px;background:var(--color-accent)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr)}.feature-card{padding:32px;border-right:var(--border-dashed);border-bottom:var(--border-dashed);background:var(--color-bg-white);display:flex;flex-direction:column;transition:background .2s}.feature-card:nth-child(3n){border-right:none}.feature-card:hover{background:var(--color-bg-secondary)}.feature-card-title{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:16px}.feature-card-description{font-size:14px;color:var(--color-text-secondary);line-height:1.7;flex:1;margin-bottom:24px}.feature-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.feature-card-meta{display:flex;flex-direction:column;gap:4px}.feature-card-stat{font-size:16px;font-weight:600;color:var(--color-text-primary)}.feature-card-label{font-size:12px;color:var(--color-text-muted)}.feature-card-btn{padding:10px 20px;border:1px solid var(--color-border);border-radius:8px;background:transparent;font-size:14px;font-weight:500;color:var(--color-text-primary);cursor:pointer;transition:all .2s;font-family:var(--font-body)}.feature-card-btn:hover{border-color:var(--color-text-primary);background:var(--color-accent);color:var(--color-bg)}.testimonial-section{border-top:var(--border-dashed);background:var(--color-bg-secondary)}.testimonial-container{max-width:1400px;margin:0 auto;padding:80px 48px;border-left:var(--border-dashed);border-right:var(--border-dashed);position:relative}.testimonial-container:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:repeating-linear-gradient(-45deg,transparent,transparent 50px,var(--color-border) 50px,var(--color-border) 51px);opacity:.3;pointer-events:none}.testimonial-content{position:relative;z-index:1;max-width:800px}.testimonial-quote{font-family:var(--font-display);font-size:clamp(24px,3vw,32px);font-weight:500;line-height:1.5;color:var(--color-text-primary);margin-bottom:32px}.testimonial-author{display:flex;flex-direction:column;gap:4px}.testimonial-name{font-size:16px;font-weight:600;color:var(--color-text-primary)}.testimonial-role{font-size:14px;color:var(--color-text-muted)}.faq-section{border-top:var(--border-dashed);background:var(--color-bg-white)}.faq-container{max-width:1400px;margin:0 auto;border-left:var(--border-dashed);border-right:var(--border-dashed)}.faq-header{padding:80px 48px 48px;text-align:center}.faq-header h2{font-family:var(--font-display);font-size:clamp(36px,4vw,48px);font-weight:600;letter-spacing:-.03em;color:var(--color-text-primary)}.faq-list{border-top:var(--border-dashed)}.faq-item{border-bottom:var(--border-dashed)}.faq-question{width:100%;padding:28px 48px;background:transparent;border:none;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:background .2s;text-align:left}.faq-question:hover{background:var(--color-bg-secondary)}.faq-question-text{font-family:var(--font-display);font-size:18px;font-weight:500;color:var(--color-text-primary)}.faq-icon{width:40px;height:40px;border-radius:50%;background:var(--color-bg);display:flex;align-items:center;justify-content:center;transition:all .3s;flex-shrink:0}.faq-item.open .faq-icon{background:var(--color-accent);color:var(--color-bg)}.faq-icon svg{width:20px;height:20px;transition:transform .3s}.faq-item.open .faq-icon svg{transform:rotate(180deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease-out}.faq-item.open .faq-answer{max-height:500px}.faq-answer-content{padding:0 48px 28px;font-size:16px;color:var(--color-text-secondary);line-height:1.7;max-width:800px}.cta-section{border-top:var(--border-dashed);background:var(--color-bg)}.cta-container{max-width:1400px;margin:0 auto;padding:100px 48px;border-left:var(--border-dashed);border-right:var(--border-dashed);display:flex;align-items:center;justify-content:space-between;gap:48px}.cta-content h2{font-family:var(--font-display);font-size:clamp(32px,4vw,48px);font-weight:600;letter-spacing:-.03em;color:var(--color-text-primary);line-height:1.15;max-width:500px}.cta-buttons{display:flex;gap:16px}.footer{background:var(--color-bg);border-top:var(--border-dashed)}.footer-container{max-width:1400px;margin:0 auto;border-left:var(--border-dashed);border-right:var(--border-dashed)}.footer-main{display:grid;grid-template-columns:1.5fr 2fr;gap:80px;padding:64px 48px}.footer-brand{max-width:320px}.footer-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;margin-bottom:16px}.footer-logo .logo-icon{width:28px;height:28px}.footer-logo .logo-text{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:-.02em;color:var(--color-text-primary)}.footer-logo .logo-divider{width:1px;height:20px;background:var(--color-border);margin:0 6px}.footer-logo .logo-tagline{font-size:12px;color:var(--color-text-muted)}.footer-tagline{font-size:14px;line-height:1.6;color:var(--color-text-muted);margin-bottom:24px}.footer-social{display:flex;gap:12px}.footer-social a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:50%;color:var(--color-text-muted);transition:all .2s}.footer-social a:hover{border-color:var(--color-text-primary);color:var(--color-text-primary)}.footer-social svg{width:18px;height:18px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:48px}.footer-column h4{font-family:var(--font-body);font-size:14px;font-weight:600;color:var(--color-text-primary);margin-bottom:20px}.footer-column ul{list-style:none;padding:0;margin:0}.footer-column li{margin-bottom:12px}.footer-column a{font-size:14px;color:var(--color-text-muted);text-decoration:none;transition:color .15s}.footer-column a:hover{color:var(--color-text-primary)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:24px 48px;border-top:var(--border-dashed)}.footer-copyright{font-size:13px;color:var(--color-text-muted)}.footer-bottom-links{display:flex;gap:24px}.footer-bottom-links a{font-size:13px;color:var(--color-text-muted);text-decoration:none;transition:color .15s}.footer-bottom-links a:hover{color:var(--color-text-primary)}.theme-toggle{display:flex;align-items:center;padding:8px 12px;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:100px;cursor:pointer}.theme-toggle-icon{width:18px;height:18px;color:var(--color-text-muted)}@media (max-width: 1024px){.nav-links{display:none}.features-header{flex-direction:column;padding:60px 32px 40px}.features-grid{grid-template-columns:1fr}.feature-card{border-right:none}.cta-container{flex-direction:column;text-align:center;padding:80px 32px}.cta-content h2{max-width:100%}.footer-main{grid-template-columns:1fr;gap:48px;padding:48px 32px}.footer-brand{max-width:100%}.footer-bottom{flex-direction:column;gap:24px;padding:24px 32px;text-align:center}}@media (max-width: 768px){.header-container{height:64px}.logo-divider,.logo-tagline{display:none}.hero-section{padding:60px 16px 40px}.hero-actions{flex-direction:column}.prompt-section{padding:0 16px 60px}.features-tabs{flex-wrap:wrap}.feature-tab{flex:none;width:50%}.faq-question{padding:20px 24px}.faq-question-text{font-size:16px}.faq-answer-content{padding:0 24px 20px}.testimonial-container{padding:60px 24px}.footer-links{grid-template-columns:1fr 1fr;gap:32px}.footer-bottom-links{flex-wrap:wrap;justify-content:center;gap:16px}}@media (max-width: 600px){.stats-banner{flex-direction:column;gap:12px;padding:16px 24px;border-radius:16px}.stat-divider{width:40px;height:1px}}@media (max-width: 480px){.suggestion-chips{flex-direction:column;align-items:stretch}.suggestion-chip{justify-content:center}.feature-tab{width:100%;border-right:none;border-bottom:var(--border-dashed)}.feature-tab:last-child{border-bottom:none}}.docs-container,.about-container{max-width:900px;margin:0 auto;padding:80px 24px}.docs-header,.about-hero{margin-bottom:64px;padding-bottom:48px;border-bottom:var(--border-dashed)}.docs-header h1,.about-hero h1{font-family:var(--font-display);font-size:48px;font-weight:600;letter-spacing:-.03em;color:var(--color-text-primary);margin-bottom:16px}.docs-header p,.about-hero p{font-size:18px;color:var(--color-text-secondary);line-height:1.6}.docs-section,.about-section{margin-bottom:64px}.docs-section h2,.about-section h2{font-family:var(--font-display);font-size:28px;font-weight:600;color:var(--color-text-primary);margin-bottom:20px;letter-spacing:-.02em}.docs-section p,.about-section p{font-size:16px;color:var(--color-text-secondary);line-height:1.7;margin-bottom:16px}.code-block{background:#1a1a1a;border-radius:12px;padding:20px 24px;margin:20px 0;overflow-x:auto}.code-block code{font-family:SF Mono,Monaco,Menlo,monospace;font-size:14px;color:#e5e5e5;line-height:1.7}.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}.mission-card{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;padding:32px;transition:all .2s}.mission-card:hover{border-color:var(--color-text-primary);transform:translateY(-4px);box-shadow:0 12px 32px #00000014}.mission-card h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:12px}.mission-card p{font-size:14px;margin-bottom:0}@media (max-width: 768px){.docs-header h1,.about-hero h1{font-size:36px}.mission-grid{grid-template-columns:1fr}}.page-main{padding-top:72px;min-height:100vh}.page-hero{padding:80px 24px 60px;text-align:center;border-bottom:var(--border-dashed)}.page-hero-inner{max-width:800px;margin:0 auto}.page-badge{display:inline-block;font-family:var(--font-body);font-size:13px;font-weight:500;color:var(--color-text-secondary);background:var(--color-bg-white);border:1px solid var(--color-border);padding:6px 16px;border-radius:100px;margin-bottom:24px}.page-hero h1{font-family:var(--font-display);font-size:clamp(48px,7vw,80px);font-weight:600;letter-spacing:-.04em;line-height:1.05;color:var(--color-text-primary);margin-bottom:20px}.page-hero-description{font-size:20px;color:var(--color-text-secondary);line-height:1.6;max-width:680px;margin:0 auto}.section-header-center{text-align:center;margin-bottom:48px}.section-header-center h2{font-family:var(--font-display);font-size:clamp(28px,4vw,40px);font-weight:600;letter-spacing:-.02em;color:var(--color-text-primary);margin-bottom:12px}.section-header-left{margin-bottom:32px}.section-header-left h2{font-family:var(--font-display);font-size:clamp(28px,4vw,40px);font-weight:600;letter-spacing:-.02em;color:var(--color-text-primary);margin-bottom:12px}.section-label{display:inline-block;font-family:var(--font-body);font-size:13px;font-weight:500;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.section-description{font-size:16px;color:var(--color-text-secondary);max-width:600px;margin:0 auto}.btn-primary-lg{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:16px;font-weight:500;padding:14px 28px;background:var(--color-text-primary);color:var(--color-bg);border:none;border-radius:100px;text-decoration:none;cursor:pointer;transition:all .2s}.btn-primary-lg:hover{background:var(--color-accent-hover);transform:translateY(-2px)}.btn-secondary-lg{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:16px;font-weight:500;padding:14px 28px;background:transparent;color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:100px;text-decoration:none;cursor:pointer;transition:all .2s}.btn-secondary-lg:hover{border-color:var(--color-text-primary);background:var(--color-bg-white)}.btn-primary{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:14px;font-weight:500;padding:10px 20px;background:var(--color-text-primary);color:#fff;border:none;border-radius:100px;text-decoration:none;cursor:pointer;transition:all .2s}.btn-primary:hover{background:#262626}.page-cta-section{padding:80px 24px}.page-cta-container{max-width:800px;margin:0 auto}.page-cta-card{background:var(--color-text-primary);border-radius:24px;padding:60px 48px;text-align:center}.page-cta-card h2{font-family:var(--font-display);font-size:clamp(28px,4vw,36px);font-weight:600;color:#fff;margin-bottom:12px}.page-cta-card p{font-size:16px;color:#ffffffb3;margin-bottom:32px}.page-cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.page-cta-buttons .btn-primary-lg{background:#fff;color:#0a0a0a}.page-cta-buttons .btn-primary-lg:hover{background:#e5e5e5}.page-cta-buttons .btn-secondary-lg{background:transparent;color:#fff;border-color:#ffffff4d}[data-theme=dark] .page-cta-buttons .btn-primary-lg{background:#fff;color:#0a0a0a}[data-theme=dark] .page-cta-buttons .btn-primary-lg:hover{background:#e5e5e5}.page-cta-buttons .btn-secondary-lg:hover{border-color:#fff;background:#ffffff1a}.about-stats-section{padding:60px 24px;border-bottom:var(--border-dashed)}.about-stats-container{max-width:1200px;margin:0 auto}.about-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.about-stat-card{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;padding:32px;text-align:center}.about-stat-number{font-family:var(--font-display);font-size:48px;font-weight:700;color:var(--color-text-primary);display:block;margin-bottom:8px}.about-stat-label{font-size:14px;color:var(--color-text-secondary)}.about-mission-section{padding:80px 24px;border-bottom:var(--border-dashed)}.about-mission-container{max-width:900px;margin:0 auto}.about-mission-content p{font-size:18px;color:var(--color-text-secondary);line-height:1.7}.about-values-section{padding:80px 24px;border-bottom:var(--border-dashed)}.about-values-container{max-width:1200px;margin:0 auto}.about-values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.about-value-card{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:20px;padding:40px;transition:all .3s}.about-value-card:hover{border-color:var(--color-text-primary);transform:translateY(-4px);box-shadow:0 16px 48px #00000014}.about-value-icon{width:48px;height:48px;background:var(--color-bg);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.about-value-icon svg{color:var(--color-text-primary)}.about-value-card h3{font-family:var(--font-display);font-size:20px;font-weight:600;color:var(--color-text-primary);margin-bottom:12px}.about-value-card p{font-size:15px;color:var(--color-text-secondary);line-height:1.6}.about-how-section{padding:80px 24px;border-bottom:var(--border-dashed)}.about-how-container{max-width:800px;margin:0 auto}.about-how-content{display:flex;flex-direction:column;gap:24px}.about-how-card{display:flex;align-items:flex-start;gap:24px;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;padding:32px}.about-how-number{font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--color-text-muted);flex-shrink:0}.about-how-text h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}.about-how-text p{font-size:15px;color:var(--color-text-secondary);line-height:1.6}.about-core-section{padding:80px 24px;border-bottom:var(--border-dashed)}.about-core-container{max-width:1000px;margin:0 auto}.about-core-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.about-core-card{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;padding:32px}.about-core-card h4{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:12px}.about-core-card p{font-size:15px;color:var(--color-text-secondary);line-height:1.6}.billing-toggle-container{margin-top:32px}.billing-toggle{display:inline-flex;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:100px;padding:4px}.billing-toggle button{font-family:var(--font-body);font-size:14px;font-weight:500;padding:10px 20px;background:transparent;border:none;border-radius:100px;cursor:pointer;color:var(--color-text-secondary);transition:all .2s;display:flex;align-items:center;gap:8px}.billing-toggle button.active{background:var(--color-text-primary);color:#fff}.discount-badge{font-size:11px;background:#10b981;color:#fff;padding:2px 8px;border-radius:100px}.pricing-cards-section{padding:60px 24px 80px;border-bottom:var(--border-dashed)}.pricing-cards-container{max-width:1200px;margin:0 auto}.pricing-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.pricing-card-new{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:20px;padding:40px;position:relative;display:flex;flex-direction:column}.pricing-card-new.popular{border-color:var(--color-text-primary);box-shadow:0 8px 32px #0000001f}.popular-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);font-size:12px;font-weight:600;background:var(--color-text-primary);color:#fff;padding:4px 16px;border-radius:100px}.pricing-card-header h3{font-family:var(--font-display);font-size:24px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}.tier-description{font-size:14px;color:var(--color-text-secondary);margin-bottom:24px}.pricing-card-price{margin-bottom:16px}.price-amount{font-family:var(--font-display);font-size:48px;font-weight:700;color:var(--color-text-primary)}.price-period{font-size:16px;color:var(--color-text-muted)}.credits-included{display:flex;align-items:center;gap:8px;font-size:14px;color:#10b981;margin-bottom:24px}.credits-included svg{width:16px;height:16px}.pricing-features-list{list-style:none;flex:1;margin-bottom:32px}.pricing-features-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--color-text-secondary);margin-bottom:12px}.pricing-features-list svg{width:16px;height:16px;color:var(--color-text-primary);flex-shrink:0;margin-top:2px}.pricing-card-cta{font-family:var(--font-body);font-size:14px;font-weight:500;padding:14px 24px;border-radius:100px;cursor:pointer;transition:all .2s;width:100%}.pricing-card-cta.primary{background:var(--color-text-primary);color:#fff;border:none}.pricing-card-cta.primary:hover{background:var(--color-accent-hover, #262626)}.pricing-card-cta.secondary{background:transparent;color:var(--color-text-primary);border:1px solid var(--color-border)}.pricing-card-cta.secondary:hover{border-color:var(--color-text-primary)}.model-pricing-section-new{padding:80px 24px;border-bottom:var(--border-dashed)}.model-pricing-container-new{max-width:1000px;margin:0 auto}.model-table-wrapper{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;overflow:hidden;margin-top:32px}.model-table{width:100%;border-collapse:collapse}.model-table th,.model-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--color-border)}.model-table th{font-family:var(--font-body);font-size:12px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;background:var(--color-bg)}.model-table tbody tr:last-child td{border-bottom:none}.model-name-cell{font-weight:500;color:var(--color-text-primary)}.tier-tag{font-size:12px;font-weight:500;padding:4px 10px;border-radius:100px}.tier-tag.free{background:#d1fae5;color:#059669}.tier-tag.pro{background:#e0e7ff;color:#4f46e5}.tier-tag.enterprise{background:#fef3c7;color:#d97706}.speed-tag{font-size:12px;padding:4px 10px;border-radius:100px;background:var(--color-bg)}.speed-tag.fast{color:#10b981}.speed-tag.medium{color:#f59e0b}.speed-tag.slow{color:#ef4444}.pricing-note-box{display:flex;align-items:flex-start;gap:12px;margin-top:24px;padding:16px 20px;background:var(--color-bg);border-radius:12px}.pricing-note-box svg{width:16px;height:16px;color:var(--color-text-muted);flex-shrink:0;margin-top:2px}.pricing-note-box span{font-size:13px;color:var(--color-text-secondary);line-height:1.5}.usage-estimates-section{padding:80px 24px;border-bottom:var(--border-dashed)}.usage-estimates-container{max-width:900px;margin:0 auto}.usage-estimates-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}.usage-estimate-card{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;padding:32px;text-align:center}.usage-estimate-card.featured{border-color:var(--color-text-primary);box-shadow:0 8px 32px #00000014}.usage-estimate-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--color-bg);border:1px solid var(--color-border);border-radius:12px;margin-bottom:16px}.usage-estimate-icon svg{width:24px;height:24px;color:var(--color-text-primary)}.usage-estimate-card h4{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}.usage-description{font-size:14px;color:var(--color-text-secondary);margin-bottom:16px}.usage-cost{margin-bottom:12px}.usage-cost .cost-amount{font-family:var(--font-display);font-size:32px;font-weight:700;color:var(--color-text-primary)}.usage-cost .cost-period{font-size:14px;color:var(--color-text-muted)}.usage-recommendation{font-size:13px;color:#10b981;font-weight:500}.pricing-faq-section{padding:80px 24px;border-bottom:var(--border-dashed)}.pricing-faq-container{max-width:800px;margin:0 auto}.pricing-faq-list{margin-top:32px}.pricing-faq-item{border:1px solid var(--color-border);border-radius:12px;margin-bottom:12px;overflow:hidden;background:var(--color-bg-white)}.pricing-faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 24px;font-family:var(--font-body);font-size:16px;font-weight:500;color:var(--color-text-primary);background:none;border:none;cursor:pointer;text-align:left}.pricing-faq-question .faq-chevron{transition:transform .2s;flex-shrink:0}.pricing-faq-item.expanded .faq-chevron{transform:rotate(180deg)}.pricing-faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease-out}.pricing-faq-item.expanded .pricing-faq-answer{max-height:200px}.pricing-faq-answer p{padding:0 24px 20px;font-size:15px;color:var(--color-text-secondary);line-height:1.6}.usecases-grid-section{padding:60px 24px 80px;border-bottom:var(--border-dashed)}.usecases-grid-container{max-width:1200px;margin:0 auto}.usecases-grid-new{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.usecase-card-new{display:flex;align-items:flex-start;gap:24px;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:20px;padding:32px;cursor:pointer;transition:all .3s}.usecase-card-new:hover{border-color:var(--color-text-primary);transform:translateY(-4px);box-shadow:0 16px 48px #00000014}.usecase-card-icon{flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--color-bg);border:1px solid var(--color-border);border-radius:12px}.usecase-card-icon svg{width:24px;height:24px;color:var(--color-text-primary)}.usecase-card-content{flex:1}.usecase-card-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}.usecase-category-tag{font-size:12px;font-weight:500;color:#4f46e5;background:#e0e7ff;padding:4px 10px;border-radius:100px}.usecase-read-time{font-size:12px;color:var(--color-text-muted)}.usecase-card-new h2{font-family:var(--font-display);font-size:20px;font-weight:600;color:var(--color-text-primary);margin-bottom:12px;line-height:1.3}.usecase-card-new p{font-size:14px;color:var(--color-text-secondary);line-height:1.6;margin-bottom:16px}.usecase-read-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--color-text-primary)}.usecase-article-section{padding:40px 24px 80px}.usecase-article-container{max-width:800px;margin:0 auto}.back-btn{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--color-text-secondary);background:none;border:none;cursor:pointer;margin-bottom:32px;padding:8px 0}.back-btn:hover{color:var(--color-text-primary)}.usecase-article{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:20px;padding:48px}.article-header{margin-bottom:32px;padding-bottom:32px;border-bottom:var(--border-dashed)}.article-meta-row{display:flex;align-items:center;gap:12px;margin-bottom:16px}.article-category-tag{font-size:12px;font-weight:500;color:#4f46e5;background:#e0e7ff;padding:4px 10px;border-radius:100px}.article-read-time{font-size:12px;color:var(--color-text-muted)}.usecase-article h1{font-family:var(--font-display);font-size:32px;font-weight:600;color:var(--color-text-primary);line-height:1.2}.article-body p{font-size:16px;color:var(--color-text-secondary);line-height:1.7;margin-bottom:20px}.article-capabilities-box{background:var(--color-bg);border-radius:16px;padding:32px;margin:32px 0}.article-capabilities-box h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:20px}.article-capabilities-box ul{list-style:none}.article-capabilities-box li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--color-text-secondary);margin-bottom:12px}.article-capabilities-box li svg{width:16px;height:16px;color:#10b981;flex-shrink:0;margin-top:2px}.article-try-section{margin-top:32px;padding-top:32px;border-top:var(--border-dashed)}.article-try-section h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:16px}.example-prompt-card{background:#1a1a1a;border-radius:12px;padding:20px 24px;margin-bottom:24px}.example-prompt-card code{font-family:SF Mono,Monaco,Menlo,monospace;font-size:14px;color:#e5e5e5}.docs-hero{padding-bottom:40px}.docs-layout-section{padding:0 24px 80px}.docs-layout-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:240px 1fr;gap:48px}.docs-sidebar{position:sticky;top:96px;height:fit-content}.docs-nav{display:flex;flex-direction:column;gap:4px}.docs-nav-item{font-family:var(--font-body);font-size:14px;font-weight:500;color:var(--color-text-secondary);background:none;border:none;padding:12px 16px;border-radius:8px;text-align:left;cursor:pointer;transition:all .2s}.docs-nav-item:hover{background:var(--color-bg-white);color:var(--color-text-primary)}.docs-nav-item.active{background:var(--color-text-primary);color:#fff}.docs-content{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:20px;padding:48px}.docs-section-content h2{font-family:var(--font-display);font-size:28px;font-weight:600;color:var(--color-text-primary);margin-bottom:16px}.docs-section-content h3{font-family:var(--font-display);font-size:20px;font-weight:600;color:var(--color-text-primary);margin:32px 0 16px}.docs-intro{font-size:16px;color:var(--color-text-secondary);line-height:1.7;margin-bottom:32px}.docs-steps{display:flex;flex-direction:column;gap:16px;margin-bottom:32px}.docs-step{display:flex;align-items:flex-start;gap:16px}.step-number{width:32px;height:32px;background:var(--color-text-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}.step-content h4{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--color-text-primary);margin-bottom:4px}.step-content p{font-size:14px;color:var(--color-text-secondary)}.docs-code-block{background:#1a1a1a;border-radius:12px;overflow:hidden;margin:24px 0}.code-header{padding:12px 20px;background:#ffffff0d;border-bottom:1px solid rgba(255,255,255,.1)}.code-header span{font-size:12px;color:#ffffff80}.docs-code-block code{display:block;padding:20px;font-family:SF Mono,Monaco,Menlo,monospace;font-size:14px;color:#e5e5e5;line-height:1.6;white-space:pre-wrap}.docs-table-wrapper{background:var(--color-bg);border-radius:12px;overflow:hidden;margin:24px 0}.docs-table{width:100%;border-collapse:collapse}.docs-table th,.docs-table td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--color-border)}.docs-table th{font-size:12px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.docs-table tbody tr:last-child td{border-bottom:none}.docs-table code{font-family:SF Mono,Monaco,Menlo,monospace;font-size:13px;background:#0000000d;padding:2px 8px;border-radius:4px}.example-cell{font-size:13px;color:var(--color-text-muted)}.docs-primitives-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:24px 0}.docs-primitive-card{background:var(--color-bg);border-radius:12px;padding:24px}.primitive-icon{font-size:28px;margin-bottom:12px;display:block}.docs-primitive-card h4{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}.docs-primitive-card p{font-size:14px;color:var(--color-text-secondary);line-height:1.5}.docs-guidelines-list{display:flex;flex-direction:column;gap:16px;margin:24px 0}.docs-guideline-item{display:flex;gap:16px;padding:20px;background:var(--color-bg);border-radius:12px}.guideline-icon{width:32px;height:32px;background:#d1fae5;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.guideline-icon svg{color:#10b981}.guideline-content h4{font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--color-text-primary);margin-bottom:4px}.guideline-content p{font-size:14px;color:var(--color-text-secondary)}.docs-export-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}.docs-export-card{background:var(--color-bg);border-radius:12px;padding:24px}.export-header{margin-bottom:12px}.export-badge{font-size:11px;font-weight:500;padding:4px 8px;border-radius:100px;background:var(--color-border);color:var(--color-text-secondary)}.export-badge.pro{background:#e0e7ff;color:#4f46e5}.docs-export-card h3{font-family:var(--font-display);font-size:20px;font-weight:600;color:var(--color-text-primary);margin-top:8px}.docs-export-card p{font-size:14px;color:var(--color-text-secondary);line-height:1.5;margin-bottom:12px}.export-tier{font-size:12px;color:var(--color-text-muted)}.docs-api-note{display:flex;gap:12px;padding:16px 20px;background:#fef3c7;border-radius:12px;margin:24px 0}.docs-api-note svg{width:20px;height:20px;color:#d97706;flex-shrink:0}.docs-api-note p{font-size:14px;color:#92400e;line-height:1.5}.docs-support-box{background:var(--color-bg);border-radius:12px;padding:24px;margin-top:32px}.docs-support-box h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:12px}.docs-support-box p{font-size:14px;color:var(--color-text-secondary);margin-bottom:12px}.docs-support-box ul{list-style:none}.docs-support-box li{font-size:14px;color:var(--color-text-secondary);margin-bottom:8px}.docs-support-box a{color:var(--color-text-primary);font-weight:500}.credits-header-section{padding:80px 24px 40px;border-bottom:var(--border-dashed)}.credits-header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start}.credits-header-content h1{font-family:var(--font-display);font-size:36px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}.credits-header-content p{font-size:16px;color:var(--color-text-secondary)}.credits-loading-section{padding:80px 24px;text-align:center}.credits-loading{display:flex;flex-direction:column;align-items:center;gap:16px}.loading-spinner-new{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-text-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.credits-summary-section{padding:40px 24px}.credits-summary-container{max-width:1200px;margin:0 auto}.credits-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.credits-card{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:20px;padding:32px}.plan-card-new .plan-info-new{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}.plan-badge-new{display:inline-block;font-size:12px;font-weight:600;color:#fff;padding:4px 12px;border-radius:100px;width:fit-content}.plan-card-new h3{font-size:14px;color:var(--color-text-secondary)}.plan-allowance-new{text-align:center}.allowance-amount{font-family:var(--font-display);font-size:40px;font-weight:700;color:var(--color-text-primary);display:block}.allowance-label{font-size:14px;color:var(--color-text-muted)}.usage-card-new{display:flex;align-items:center;gap:32px}.usage-visual-new{flex-shrink:0}.usage-ring-new{width:100px;height:100px;position:relative}.usage-ring-new svg{transform:rotate(-90deg)}.usage-ring-bg-new{stroke:var(--color-border)}.usage-ring-progress-new{transition:stroke-dasharray .3s}.usage-ring-text-new{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.percentage-new{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--color-text-primary)}.label-new{font-size:11px;color:var(--color-text-muted)}.usage-details-new{flex:1}.usage-row-new{display:flex;justify-content:space-between;margin-bottom:8px}.usage-label-new{font-size:14px;color:var(--color-text-secondary)}.usage-value-new{font-size:14px;font-weight:600;color:var(--color-text-primary)}.usage-value-new.remaining-new{color:#10b981}.actions-card-new h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:20px}.action-buttons-new{display:flex;flex-direction:column;gap:12px}.action-btn-new{display:flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-body);font-size:14px;font-weight:500;padding:12px 20px;border-radius:100px;text-decoration:none;cursor:pointer;transition:all .2s}.action-btn-new.primary{background:var(--color-text-primary);color:#fff;border:none}.action-btn-new.primary:hover{background:#262626}.action-btn-new.secondary{background:transparent;color:var(--color-text-primary);border:1px solid var(--color-border)}.action-btn-new.secondary:hover{border-color:var(--color-text-primary)}.credits-history-section{padding:0 24px 80px}.credits-history-container{max-width:1200px;margin:0 auto}.history-header-new{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.history-header-new h2{font-family:var(--font-display);font-size:24px;font-weight:600;color:var(--color-text-primary)}.history-count-new{font-size:14px;color:var(--color-text-muted)}.history-table-wrapper{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;overflow:hidden}.history-table-new{width:100%;border-collapse:collapse}.history-table-new th,.history-table-new td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--color-border)}.history-table-new th{font-size:12px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;background:var(--color-bg)}.history-table-new tbody tr:last-child td{border-bottom:none}.type-badge-new{display:inline-block;font-size:11px;font-weight:500;color:#fff;padding:4px 10px;border-radius:100px}.model-cell{font-weight:500;color:var(--color-text-primary)}.tokens-cell{display:flex;flex-direction:column;gap:2px}.token-count-new{font-weight:500;color:var(--color-text-primary)}.token-breakdown-new{font-size:12px;color:var(--color-text-muted)}.cost-cell{font-weight:500;color:var(--color-text-primary)}.date-cell{color:var(--color-text-secondary)}.empty-history-new{text-align:center;padding:60px 40px;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px}.empty-icon-new{margin-bottom:16px}.empty-icon-new svg{color:var(--color-text-muted)}.empty-history-new h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}.empty-history-new p{font-size:14px;color:var(--color-text-secondary);margin-bottom:24px}.credits-info-section{padding:80px 24px;background:var(--color-bg);border-top:var(--border-dashed)}.credits-info-container{max-width:1000px;margin:0 auto}.credits-info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px}.credits-info-card{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:16px;padding:24px;text-align:center}.info-icon-new{width:48px;height:48px;background:var(--color-bg);border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.info-icon-new svg{color:var(--color-text-primary)}.credits-info-card h4{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}.credits-info-card p{font-size:13px;color:var(--color-text-secondary);line-height:1.5}@media (max-width: 1024px){.about-stats-grid{grid-template-columns:repeat(2,1fr)}.about-values-grid{grid-template-columns:1fr}.pricing-cards-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}.usage-estimates-grid{grid-template-columns:1fr;max-width:400px;margin:24px auto 0}.usecases-grid-new,.docs-layout-container{grid-template-columns:1fr}.docs-sidebar{position:static;margin-bottom:24px}.docs-nav{flex-direction:row;flex-wrap:wrap;gap:8px}.docs-export-grid,.credits-summary-grid{grid-template-columns:1fr}.credits-info-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.page-hero{padding:60px 16px 40px}.page-cta-card{padding:40px 24px}.page-cta-buttons{flex-direction:column}.about-stats-grid,.about-core-grid{grid-template-columns:1fr}.usecase-card-new{flex-direction:column;gap:16px}.usecase-article,.docs-content{padding:32px 24px}.docs-primitives-grid{grid-template-columns:1fr}.credits-header-container{flex-direction:column;gap:20px}.usage-card-new{flex-direction:column;text-align:center}.usage-details-new{width:100%}.credits-info-grid{grid-template-columns:1fr}}[data-theme=dark] .billing-toggle button.active{background:var(--color-accent);color:var(--color-bg)}[data-theme=dark] .popular-badge{background:#fff;color:#0a0a0a}[data-theme=dark] .pricing-card-cta.primary{background:var(--color-accent);color:var(--color-bg)}[data-theme=dark] .pricing-card-cta.primary:hover{background:var(--color-accent-hover)}.page-cta-card{background:#0a0a0a!important}[data-theme=dark] .page-cta-card{background:#1a1a1a!important;border:1px solid var(--color-border)}.page-cta-card h2,.page-cta-card p{color:#fff!important}[data-theme=dark] .page-cta-card p{color:#ffffffb3!important}[data-theme=dark] .faq-icon{background:var(--color-bg-tertiary);color:var(--color-text-primary)}[data-theme=dark] .faq-icon svg{color:var(--color-text-primary)}[data-theme=dark] .faq-item.open .faq-icon{background:#fff;color:#0a0a0a}[data-theme=dark] .faq-item.open .faq-icon svg{color:#0a0a0a}[data-theme=dark] .docs-nav-item{color:var(--color-text-secondary)}[data-theme=dark] .docs-nav-item:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}[data-theme=dark] .docs-nav-item.active{background:#fff;color:#0a0a0a}[data-theme=dark] .step-number{background:#fff;color:#0a0a0a;border:none}[data-theme=dark] .docs-section-content{background:var(--color-bg-white);border-color:var(--color-border)}[data-theme=dark] .docs-sidebar{background:var(--color-bg-secondary);border-right:1px solid var(--color-border)}[data-theme=dark] .docs-content{background:var(--color-bg)}[data-theme=dark] .discount-badge{background:#fff;color:#0a0a0a}[data-theme=dark] .feature-card:hover{background:var(--color-bg-tertiary)}[data-theme=dark] .suggestion-chip{background:var(--color-bg-tertiary);border-color:var(--color-border);color:var(--color-text-secondary)}[data-theme=dark] .suggestion-chip:hover{background:var(--color-bg-white);border-color:var(--color-text-primary);color:var(--color-text-primary)}[data-theme=dark] .code-block,[data-theme=dark] pre,[data-theme=dark] code{background:var(--color-bg-tertiary);color:var(--color-text-primary)}[data-theme=dark] .page-main,[data-theme=dark] .page-hero,[data-theme=dark] .pricing-cards-section,[data-theme=dark] .features-section,[data-theme=dark] .testimonial-section,[data-theme=dark] .faq-section,[data-theme=dark] .cta-section,[data-theme=dark] .docs-layout-section{background:var(--color-bg)}[data-theme=dark] h1,[data-theme=dark] h2,[data-theme=dark] h3,[data-theme=dark] h4,[data-theme=dark] h5,[data-theme=dark] h6{color:var(--color-text-primary)}[data-theme=dark] p,[data-theme=dark] span,[data-theme=dark] li{color:var(--color-text-secondary)}[data-theme=dark] a{color:var(--color-link)}[data-theme=dark] a:hover{color:var(--color-text-primary)}.clarifying-questions{background:linear-gradient(135deg,#1a1a2e,#16213e);border:1px solid rgba(99,102,241,.3);border-radius:16px;padding:20px;margin:12px 0;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.cq-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}.cq-icon{font-size:24px;animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.cq-message{color:#e2e8f0;font-size:15px;font-weight:500}.cq-questions{display:flex;flex-direction:column;gap:20px}.cq-question{animation:fadeIn .4s ease-out both}@keyframes fadeIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.cq-question-text{color:#94a3b8;font-size:13px;font-weight:500;margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.cq-options{display:flex;flex-wrap:wrap;gap:8px}.cq-options.multiselect .cq-option{border-style:dashed}.cq-option{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#cbd5e1;font-size:13px;cursor:pointer;transition:all .2s ease;position:relative}.cq-option:hover{background:#6366f126;border-color:#6366f166;transform:translateY(-1px)}.cq-option.selected{background:linear-gradient(135deg,#6366f14d,#8b5cf64d);border-color:#6366f199;color:#fff;box-shadow:0 4px 12px #6366f133}.cq-option.suggested:not(.selected){border-color:#22c55e4d}.cq-option.suggested:not(.selected):hover{border-color:#22c55e80}.cq-option-label{flex:1}.cq-suggested-badge{font-size:10px;padding:2px 6px;background:#22c55e33;color:#22c55e;border-radius:4px;text-transform:uppercase;letter-spacing:.5px}.cq-check{color:#22c55e;font-weight:700;font-size:14px}.cq-actions{display:flex;gap:12px;margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}.cq-submit{display:flex;align-items:center;gap:8px;padding:12px 20px;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:10px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.cq-submit:hover{transform:translateY(-2px);box-shadow:0 8px 20px #6366f166}.cq-submit:active{transform:translateY(0)}.cq-skip{padding:12px 20px;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:10px;color:#94a3b8;font-size:14px;cursor:pointer;transition:all .2s ease}.cq-skip:hover{background:#ffffff0d;border-color:#ffffff4d;color:#e2e8f0}@media (max-width: 600px){.clarifying-questions{padding:16px}.cq-options{flex-direction:column}.cq-option{width:100%}.cq-actions{flex-direction:column}.cq-submit,.cq-skip{width:100%;justify-content:center}}.hotspots-toggle-btn{position:absolute;top:24px;right:24px;width:36px;height:36px;background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(0,0,0,.1);border-radius:10px;cursor:pointer;z-index:400;display:flex;align-items:center;justify-content:center;transition:all .2s ease;box-shadow:0 2px 8px #0000001a;color:#171717}.hotspots-toggle-btn:hover{background:#fff;box-shadow:0 4px 12px #00000026;transform:scale(1.05)}.hotspots-toggle-btn:active{transform:scale(.95)}.parameter-hotspots-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:300;overflow:visible}.parameter-hotspot{position:absolute;transform:translate(-50%,-50%);cursor:pointer;pointer-events:auto;z-index:301;transition:transform .2s ease}.parameter-hotspot:hover{transform:translate(-50%,-50%) scale(1.15);z-index:305}.parameter-hotspot.active{z-index:310}.hotspot-dot{width:12px;height:12px;background:linear-gradient(135deg,#fff,#e5e5e5);border-radius:50%;box-shadow:0 0 0 2px #0003,0 2px 8px #0000004d,inset 0 1px 2px #fffc;position:relative;z-index:2;transition:all .2s ease}.parameter-hotspot:hover .hotspot-dot{background:linear-gradient(135deg,#60a5fa,#3b82f6);box-shadow:0 0 0 3px #3b82f64d,0 4px 12px #3b82f666,inset 0 1px 2px #fff6}.parameter-hotspot.active .hotspot-dot{background:linear-gradient(135deg,#3b82f6,#2563eb);box-shadow:0 0 0 3px #2563eb66,0 4px 12px #2563eb80}.hotspot-pulse{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:12px;height:12px;border:2px solid rgba(255,255,255,.6);border-radius:50%;animation:hotspotPulse 2.5s ease-out infinite;z-index:1}@keyframes hotspotPulse{0%{width:12px;height:12px;opacity:.8}to{width:40px;height:40px;opacity:0}}.parameter-hotspot:nth-child(1) .hotspot-pulse{animation-delay:0s}.parameter-hotspot:nth-child(2) .hotspot-pulse{animation-delay:.3s}.parameter-hotspot:nth-child(3) .hotspot-pulse{animation-delay:.6s}.parameter-hotspot:nth-child(4) .hotspot-pulse{animation-delay:.9s}.parameter-hotspot:nth-child(5) .hotspot-pulse{animation-delay:1.2s}.parameter-hotspot.active .hotspot-pulse{animation:none;opacity:0}.hotspot-label{position:absolute;left:50%;top:calc(100% + 8px);transform:translate(-50%);background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:6px;padding:6px 10px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .15s ease;display:flex;flex-direction:column;align-items:center;gap:2px;pointer-events:none}.parameter-hotspot:hover .hotspot-label{opacity:1;visibility:visible}.parameter-hotspot.active .hotspot-label{opacity:0;visibility:hidden}.hotspot-label:before{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-bottom-color:#000000d9}.label-name{font-size:11px;font-weight:500;color:#ffffffb3;text-transform:uppercase;letter-spacing:.5px}.label-value{font-size:13px;font-weight:600;color:#fff}.parameter-inline-editor{position:absolute;transform:translate(-50%,-100%) translateY(-16px);pointer-events:auto;z-index:500;animation:editorFadeIn .15s ease-out}@keyframes editorFadeIn{0%{opacity:0;transform:translate(-50%,-100%) translateY(-8px)}to{opacity:1;transform:translate(-50%,-100%) translateY(-16px)}}.inline-editor-content{background:#fffffffa;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(0,0,0,.1);border-radius:10px;padding:10px 12px;box-shadow:0 8px 24px #00000026,0 2px 8px #0000001a;display:flex;align-items:center;gap:10px;min-width:180px}.inline-editor-content:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:8px solid transparent;border-top-color:#fffffffa}.editor-param-name{font-size:12px;font-weight:600;color:#525252;white-space:nowrap;min-width:50px}.editor-input-wrapper{display:flex;align-items:center;gap:4px;flex:1}.inline-editor-input{width:70px;padding:6px 8px;border:1.5px solid #e5e5e5;border-radius:6px;font-size:14px;font-weight:500;color:#171717;background:#fff;outline:none;transition:border-color .15s ease;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;-webkit-user-select:text;user-select:text}.inline-editor-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.inline-editor-input::-webkit-inner-spin-button,.inline-editor-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.inline-editor-input[type=number]{-moz-appearance:textfield}.editor-unit{font-size:12px;font-weight:500;color:#737373}.editor-buttons{display:flex;gap:4px}.editor-btn-apply,.editor-btn-cancel{width:28px;height:28px;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.editor-btn-apply{background:#10b981;color:#fff}.editor-btn-apply:hover{background:#059669;transform:scale(1.05)}.editor-btn-cancel{background:#f5f5f5;color:#737373}.editor-btn-cancel:hover{background:#e5e5e5;color:#171717;transform:scale(1.05)}[data-theme=dark] .hotspots-toggle-btn{background:#1a1a1af2;border-color:#ffffff1a;color:#fafafa}[data-theme=dark] .hotspots-toggle-btn:hover{background:#262626}[data-theme=dark] .hotspot-dot{background:linear-gradient(135deg,#e5e5e5,#a3a3a3);box-shadow:0 0 0 2px #fff3,0 2px 8px #00000080}[data-theme=dark] .inline-editor-content{background:#1a1a1afa;border-color:#ffffff1a}[data-theme=dark] .inline-editor-content:after{border-top-color:#1a1a1afa}[data-theme=dark] .editor-param-name{color:#a3a3a3}[data-theme=dark] .inline-editor-input{background:#0a0a0a;border-color:#333;color:#fafafa}[data-theme=dark] .inline-editor-input:focus{border-color:#3b82f6}[data-theme=dark] .editor-unit{color:#737373}[data-theme=dark] .editor-btn-cancel{background:#333;color:#a3a3a3}[data-theme=dark] .editor-btn-cancel:hover{background:#444;color:#fff}@media (max-width: 768px){.inline-editor-content{min-width:160px;padding:8px 10px}.hotspot-dot,.hotspot-pulse{width:14px;height:14px}}.viewer-page{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;width:100%;min-height:100vh;background:var(--color-bg, #f7f7f5);color:var(--color-text-primary, #0a0a0a);display:flex;flex-direction:column;transition:background .3s ease,color .3s ease}.header-history{display:flex;align-items:center;gap:8px;margin-right:12px;padding-right:12px;border-right:1px solid #e5e5e5}.header-history-button{display:flex;align-items:center;gap:8px;background:transparent;border:1px solid #e5e5e5;border-radius:8px;padding:6px 12px;cursor:pointer;transition:all .15s ease;font-size:14px;font-weight:500;color:#171717;position:relative}.header-history-button:hover{background:#f5f5f5;border-color:#000}.header-history-icon{width:16px;height:16px;transition:transform .3s cubic-bezier(.4,0,.2,1);color:#737373}.header-history-button.active .header-history-icon{transform:rotate(180deg)}.header-history-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid #e5e5e5;border-radius:12px;box-shadow:0 8px 24px #0000001f,0 2px 8px #00000014;min-width:320px;max-width:400px;max-height:500px;overflow:hidden;display:none;z-index:1000}.header-history-dropdown.active{display:block}.header-history-dropdown-header{padding:16px;border-bottom:1px solid #e5e5e5;background:#faf9f5;display:flex;align-items:center;justify-content:space-between}.header-history-dropdown-title{font-size:14px;font-weight:600;color:#171717;text-transform:uppercase;letter-spacing:.05em}.header-history-dropdown-content{max-height:420px;overflow-y:auto;padding:8px}.header-history-dropdown-content::-webkit-scrollbar{width:8px}.header-history-dropdown-content::-webkit-scrollbar-track{background:transparent}.header-history-dropdown-content::-webkit-scrollbar-thumb{background:#d4d4d4;border-radius:4px}.header-history-dropdown-content::-webkit-scrollbar-thumb:hover{background:#a3a3a3}.header-history-item{padding:12px;cursor:pointer;border-radius:8px;transition:all .15s ease;display:flex;flex-direction:column;gap:4px;margin-bottom:4px}.header-history-item:hover{background:#fafafa}.header-history-item.active{background:#f5f5f5;border-left:3px solid #000000;padding-left:16px}.header-history-item-title{font-size:14px;font-weight:500;color:#171717;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-history-item-time{font-size:12px;color:#737373}.btn-secondary{background:#fff;border:1px solid #e5e5e5;color:#171717;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;text-decoration:none;display:inline-block}.btn-secondary:hover{background:#f5f5f5;border-color:#000}.btn-primary{background:linear-gradient(180deg,#2a2a2a,#171717);border:none;color:#fff;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;text-decoration:none;display:inline-block}.btn-primary:hover{background:linear-gradient(180deg,#171717,#000)}.login-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .2s ease-out}.login-modal-overlay.open{display:flex}.login-modal-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px;display:none}.login-modal-error.show{display:block}.main-container{display:flex;width:100%;flex:1;overflow:visible;margin-top:64px;height:calc(100vh - 64px);background:var(--color-bg, #f7f7f5);position:relative}.conversation-panel{width:400px;background:var(--color-bg, #f7f7f5);display:flex;flex-direction:column;border-right:1px dashed var(--color-border-dashed, #d1d1d1);position:relative;flex-shrink:0;overflow:hidden;transition:all .3s ease}.main-container.sidebar-collapsed .conversation-panel{display:none}.main-container.sidebar-collapsed .scene-panel{flex:1;width:100%}.sidebar-expand-btn{position:fixed;left:16px;top:80px;z-index:100;width:44px;height:44px;border-radius:12px;background:var(--color-bg-white, #ffffff);border:1px solid var(--color-border, #e5e5e5);box-shadow:0 2px 8px #0000001a;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary, #525252);transition:all .2s ease}.sidebar-expand-btn:hover{background:var(--color-bg-secondary, #f5f5f5);color:var(--color-text-primary, #0a0a0a);box-shadow:0 4px 12px #00000026;transform:scale(1.05)}.collapse-sidebar-btn{width:36px;height:36px;border-radius:8px;background:transparent;border:1px solid var(--color-border, #e5e5e5);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary, #737373);transition:all .15s ease;flex-shrink:0}.collapse-sidebar-btn:hover{background:var(--color-bg-secondary, #f0f0f0);color:var(--color-text-primary, #0a0a0a);border-color:var(--color-text-muted, #a3a3a3)}[data-theme=dark] .sidebar-expand-btn{background:#1a1a1a;border-color:#333;color:#a3a3a3}[data-theme=dark] .sidebar-expand-btn:hover{background:#252525;color:#fff}[data-theme=dark] .collapse-sidebar-btn{border-color:#333;color:#737373}[data-theme=dark] .collapse-sidebar-btn:hover{background:#252525;color:#fff;border-color:#525252}.sidebar-header{padding:16px 20px;border-bottom:1px dashed var(--color-border-dashed, #d1d1d1);background:var(--color-bg, #f7f7f5);flex-shrink:0}.sidebar-header-actions{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:12px;width:100%}.logo-container{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.new-chat-button{display:inline-flex;align-items:center;gap:8px;height:36px;background:transparent;border:1px solid var(--color-border, #e5e5e5);border-radius:100px;color:var(--color-text-secondary, #525252);font-size:13px;font-weight:500;cursor:pointer;padding:0 16px;transition:all .2s ease;width:auto;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif}.new-chat-button:hover{border-color:var(--color-text-primary, #0a0a0a);color:var(--color-text-primary, #0a0a0a);background:var(--color-bg-white, #ffffff)}.history-section{border-top:1px solid #e5e5e5;border-bottom:1px solid #e5e5e5;background:#faf9f5;flex-shrink:0}.history-header{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .15s ease}.history-header:hover{background:#fafafa}.history-title{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:#171717;text-transform:uppercase;letter-spacing:.05em}.history-icon{width:18px;height:18px;transition:transform .3s cubic-bezier(.4,0,.2,1);color:#737373;flex-shrink:0}.history-section.collapsed .history-icon{transform:rotate(-90deg)}.history-count{font-size:11px;color:#525252;background:linear-gradient(180deg,#f5f5f5,#e5e5e5);padding:3px 8px;border-radius:12px;font-weight:600;border:1px solid #e5e5e5}.history-content{max-height:300px;overflow-y:auto;display:none;border-top:1px solid #e5e5e5;background:#fafafa}.history-section:not(.collapsed) .history-content{display:block}.history-content::-webkit-scrollbar{width:8px}.history-content::-webkit-scrollbar-track{background:transparent}.history-content::-webkit-scrollbar-thumb{background:#d4d4d4;border-radius:4px;transition:background .2s ease}.history-content::-webkit-scrollbar-thumb:hover{background:#a3a3a3}.history-item{padding:12px 16px;cursor:pointer;border-bottom:1px solid #f0f0f0;transition:all .15s ease;display:flex;flex-direction:column;gap:4px;position:relative}.history-item:hover{background:#fff;padding-left:20px}.history-item.active{background:#fff;border-left:3px solid #000000;padding-left:20px;box-shadow:inset 0 0 0 1px #0000000d}.history-item-title{font-size:14px;font-weight:500;color:#171717;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-item-time{font-size:12px;color:#737373;font-weight:400}.download-button{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--color-border, #e5e5e5);border-radius:100px;padding:0 14px;height:36px;cursor:pointer;transition:all .2s ease;font-size:13px;font-weight:500;color:var(--color-text-secondary, #525252);width:auto;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif}.download-button:hover{background:var(--color-bg-white, #ffffff);border-color:var(--color-text-primary, #0a0a0a);color:var(--color-text-primary, #0a0a0a)}.download-button:active{transform:scale(.97)}.download-icon{width:16px;height:16px;flex-shrink:0}.image-upload-button-wrapper{display:flex;align-items:center;margin:0 8px 0 0;padding:0;align-self:flex-end}.image-upload-label{display:flex;align-items:center;justify-content:center;padding:0;background:#f5f5f5;border:1px solid #e5e5e5;border-radius:8px;cursor:pointer;transition:all .15s ease;width:28px;height:28px;flex-shrink:0;color:#737373}.image-upload-label:hover{background:#e5e5e5;border-color:#d4d4d4;color:#171717}.image-upload-label svg{width:16px;height:16px;flex-shrink:0}.image-upload-button-wrapper{display:flex;align-items:center;flex-shrink:0}.image-preview-container{display:none}.image-preview-container{display:flex;flex-direction:column;gap:8px;margin-top:8px;max-height:200px;overflow-y:auto}.image-preview-item{position:relative;display:flex;align-items:center;gap:8px;padding:6px;background:#fafafa;border:1px solid #e5e5e5;border-radius:6px}.image-preview-thumb{width:40px;height:40px;object-fit:cover;border-radius:4px;flex-shrink:0}.image-preview-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.image-preview-name{font-size:12px;font-weight:500;color:#171717;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.image-preview-size{font-size:11px;color:#737373}.image-preview-remove{background:none;border:none;color:#737373;cursor:pointer;padding:4px;border-radius:4px;transition:all .15s ease;display:flex;align-items:center;justify-content:center;flex-shrink:0}.image-preview-remove:hover{background:#e5e5e5;color:#171717}.image-upload-area.drag-over{background:#f0f0f0;border-color:#000}.chat-messages{flex:1;padding:24px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;background:var(--color-bg-white, #ffffff);min-height:0;border-bottom:1px dashed var(--color-border-dashed, #d1d1d1);transition:background .3s ease}.chat-messages:empty:before{content:"Start a conversation to create 3D models";display:block;text-align:center;color:var(--color-text-placeholder, #a3a3a3);font-size:14px;padding:40px 20px;font-style:italic}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-thumb{background:var(--color-border, #d4d4d4);border-radius:4px;transition:background .2s ease}.chat-messages::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted, #a3a3a3)}.message{display:flex;flex-direction:column;gap:6px;animation:messageSlideIn .3s ease-out}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-content{background:var(--color-bg-white, #ffffff);padding:14px 16px;border-radius:12px;color:var(--color-text-primary, #0a0a0a);max-width:85%;word-wrap:break-word;border:1px solid var(--color-border, #e5e5e5);line-height:1.6;font-size:14px;box-shadow:0 1px 2px #0000000a;transition:all .2s ease;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif}.message-content:hover{box-shadow:0 2px 4px #0000000f;border-color:var(--color-text-muted, #d4d4d4)}.message.system{background:#fff9e6;border-left:3px solid #f59e0b;padding:12px 16px;margin:8px 16px;border-radius:8px;font-size:13px;box-shadow:0 1px 3px #f59e0b1a}.message.system .message-content{color:#92400e;white-space:pre-wrap;font-family:Monaco,Menlo,Courier New,monospace;font-size:12px;background:transparent;border:none;padding:0;box-shadow:none}.message.user{align-items:flex-end}.message.user .message-content{background:var(--color-accent, #0a0a0a);color:var(--color-bg, #ffffff);margin-left:auto;border-color:var(--color-accent, #0a0a0a);box-shadow:0 2px 4px #0000001a}.message.user .message-content:hover{background:var(--color-accent-hover, #1a1a1a);box-shadow:0 4px 8px #00000026}.message.ai{align-items:flex-start}.message.ai .message-content{white-space:pre-wrap}.message-images{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px;max-width:85%}.message.user .message-images{margin-left:auto;justify-content:flex-end}.message-image{max-width:200px;max-height:150px;border-radius:8px;object-fit:cover;border:1px solid rgba(0,0,0,.1);cursor:pointer;transition:transform .2s ease}.message-image:hover{transform:scale(1.05);box-shadow:0 4px 12px #00000026}.code-preview-details{margin-top:8px;max-width:85%}.code-preview-summary{display:flex;align-items:center;gap:6px;padding:6px 10px;background:var(--color-bg-tertiary, #f5f5f5);border:1px solid var(--color-border, #e5e5e5);border-radius:6px;font-size:11px;color:var(--color-text-muted, #737373);cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .15s ease;list-style:none}.code-preview-summary::-webkit-details-marker{display:none}.code-preview-summary:before{content:"▶";font-size:8px;transition:transform .2s ease}.code-preview-details[open] .code-preview-summary:before{transform:rotate(90deg)}.code-preview-summary:hover{background:var(--color-bg-secondary, #ebebeb);color:var(--color-text-primary, #0a0a0a)}.code-preview-summary .code-icon{font-size:12px}.code-preview-content{margin-top:8px;padding:12px;background:var(--color-bg-tertiary, #f9f9f9);border:1px solid var(--color-border, #e5e5e5);border-radius:6px;font-family:Monaco,Menlo,SF Mono,Consolas,monospace;font-size:10px;line-height:1.4;color:var(--color-text-secondary, #525252);overflow-x:auto;max-height:150px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}.code-preview-content::-webkit-scrollbar{width:4px;height:4px}.code-preview-content::-webkit-scrollbar-thumb{background:var(--color-border, #d4d4d4);border-radius:2px}[data-theme=dark] .code-preview-summary{background:#1a1a1a;border-color:#333;color:#737373}[data-theme=dark] .code-preview-summary:hover{background:#252525;color:#a3a3a3}[data-theme=dark] .code-preview-content{background:#0a0a0a;border-color:#333;color:#a3a3a3}.message-content strong,.message-content b{color:var(--color-text-primary, #0a0a0a);font-weight:600}.message.ai .message-content{line-height:1.7}.message-content.success{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border-color:#86efac}.message-content.engineering-analysis{background:var(--color-bg-tertiary, #fafaf9);border-color:var(--color-border, #e5e5e5);border-left:3px solid var(--color-text-primary, #0a0a0a)}.message-content.engineering-analysis strong{color:var(--color-text-primary, #0a0a0a)}.message-content.analyzing{display:flex;align-items:center;gap:4px;color:#737373;font-style:italic}.analyzing-dot{animation:analyzingPulse 1.4s infinite ease-in-out both;color:var(--color-text-primary, #0a0a0a)}.analyzing-dot:nth-child(1){animation-delay:-.32s}.analyzing-dot:nth-child(2){animation-delay:-.16s}.analyzing-dot:nth-child(3){animation-delay:0s}@keyframes analyzingPulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1.2)}}.engineering-mode-toggle{margin-bottom:12px;display:flex;flex-direction:column;gap:6px}.mode-toggle-btn{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--color-bg-white, #ffffff);border:1.5px solid var(--color-border, #e5e5e5);border-radius:10px;cursor:pointer;transition:all .2s ease;font-size:13px;font-weight:500;color:var(--color-text-secondary, #525252);width:100%;text-align:left}.mode-toggle-btn:hover{border-color:var(--color-text-primary, #0a0a0a);background:var(--color-bg-secondary, #ffffff)}.mode-toggle-btn.active{border-color:var(--color-text-primary, #0a0a0a);background:var(--color-bg-tertiary, #fafaf9);color:var(--color-text-primary, #0a0a0a)}.mode-toggle-btn svg{flex-shrink:0;color:var(--color-text-muted, #737373);transition:color .2s ease}.mode-toggle-btn.active svg{color:var(--color-text-primary, #0a0a0a)}.toggle-indicator{margin-left:auto;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:3px 8px;border-radius:4px;transition:all .2s ease}.toggle-indicator.off{background:var(--color-bg-tertiary, #f5f5f5);color:var(--color-text-muted, #737373)}.toggle-indicator.on{background:var(--color-text-primary, #0a0a0a);color:var(--color-bg, #ffffff)}.mode-hint{font-size:12px;color:var(--color-text-primary, #0a0a0a);margin:0;padding:8px 12px;background:var(--color-bg-tertiary, #fafaf9);border-radius:8px;border-left:3px solid var(--color-text-primary, #0a0a0a);line-height:1.4}.chat-input-area{padding:20px;border-top:1px dashed var(--color-border-dashed, #d1d1d1);background:var(--color-bg, #f7f7f5);flex-shrink:0;width:100%;overflow:visible;transition:background .3s ease;box-sizing:border-box}.chat-input-container{display:flex;flex-direction:column;gap:12px;background:var(--color-bg-white, #ffffff);border:1px solid var(--color-border, #e5e5e5);border-radius:16px;padding:14px;transition:border-color .2s ease,box-shadow .2s ease;position:relative;box-shadow:var(--shadow-md, 0 4px 24px rgba(0, 0, 0, .06));box-sizing:border-box}.chat-input-container:focus-within{border-color:var(--color-text-primary, #0a0a0a);box-shadow:0 0 0 3px #0a0a0a0f,0 8px 32px #00000014}#imageUploadContainer:empty{display:none}.chat-input-wrapper{display:block;width:100%}.chat-input{display:block;background:none;border:none;color:var(--color-text-primary, #0a0a0a);font-size:15px;outline:none;resize:none;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;line-height:1.5;min-height:24px;max-height:none;overflow:hidden!important;overflow-y:hidden!important;padding:0;margin:0;width:100%;word-break:break-word;overflow-wrap:break-word;box-sizing:border-box;field-sizing:content}.chat-input::placeholder{color:var(--color-text-muted, #737373)}.chat-input::-webkit-scrollbar-thumb{background:var(--color-border, #e5e5e5);border-radius:2px}.input-actions{display:flex;gap:8px;align-items:center;justify-content:flex-end;width:100%}.attach-button{background:var(--color-bg-tertiary, #f5f5f5);border:1px solid var(--color-border, #e5e5e5);color:var(--color-text-muted, #737373);cursor:pointer;padding:0;border-radius:8px;transition:all .15s ease;display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0}.attach-button:hover{background:var(--color-bg-secondary, #e5e5e5);border-color:var(--color-text-muted, #d4d4d4);color:var(--color-text-primary, #171717)}.send-button{background:var(--color-accent, #0a0a0a);border:none;color:var(--color-bg, white);cursor:pointer;font-size:16px;padding:0;border-radius:8px;transition:all .2s ease;display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0}.send-button:hover{background:var(--color-accent-hover, #1a1a1a);transform:translateY(-1px)}.send-button:disabled{background:var(--color-bg-tertiary, #f5f5f5);color:var(--color-text-placeholder, #a3a3a3);cursor:not-allowed}.model-toggle-button{background:var(--color-bg-tertiary, #f5f5f5);border:1px solid var(--color-border, #e5e5e5);color:var(--color-text-muted, #737373);cursor:pointer;padding:4px 10px;border-radius:6px;transition:all .15s ease;font-size:12px;font-weight:500;flex-shrink:0;min-width:56px;text-align:center}.model-toggle-button:hover{background:var(--color-bg-secondary, #e5e5e5);border-color:var(--color-text-muted, #d4d4d4);color:var(--color-text-primary, #171717)}.model-toggle-button.pro{background:linear-gradient(135deg,#7c3aed,#a855f7);border-color:#7c3aed;color:#fff}.model-toggle-button.pro:hover{background:linear-gradient(135deg,#6d28d9,#9333ea);border-color:#6d28d9;color:#fff}.scene-panel{flex:1;background:#0a0a0a;position:relative;overflow:hidden;padding:0;display:flex;align-items:center;justify-content:center;min-width:0;box-sizing:border-box;border-radius:16px!important;border:1px solid rgba(255,255,255,.2);box-shadow:0 0 0 1px #ffffff1a;margin:8px}.canvas-container{width:100%;height:100%;background:transparent;border-radius:16px!important;overflow:hidden!important;position:relative;isolation:isolate;contain:layout style paint;box-sizing:border-box}.expand-canvas-button{position:absolute;top:24px;left:24px;background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(0,0,0,.1);border-radius:10px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:201;transition:all .2s ease;box-shadow:0 2px 8px #0000001a;color:#171717}.expand-canvas-button:hover{background:#fff;box-shadow:0 4px 12px #00000026;transform:scale(1.05)}.expand-canvas-button:active{transform:scale(.95)}.expand-canvas-button svg{width:18px;height:18px;transition:transform .3s ease}.canvas-container.expanded .expand-canvas-button svg{transform:rotate(180deg)}.main-container.canvas-expanded .conversation-panel{display:none}.main-container.canvas-expanded .scene-panel{margin:8px;border-radius:16px!important;border:1px solid rgba(255,255,255,.2);box-shadow:0 0 0 1px #ffffff1a;background:#0a0a0a;overflow:hidden}canvas{display:block;border-radius:16px!important}.canvas-container canvas{clip-path:inset(0 round 16px);-webkit-clip-path:inset(0 round 16px);will-change:transform}#mainCanvas{width:100%;height:100%;display:block;border-radius:16px!important;position:absolute;top:0;left:0;background:transparent;clip-path:inset(0 round 16px);-webkit-clip-path:inset(0 round 16px)}#arrowCanvas{position:absolute;left:0;bottom:0;width:150px;height:150px;z-index:100;border-radius:0 0 0 8px;overflow:hidden;background:#0000004d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:block!important;visibility:visible!important;opacity:1!important;cursor:grab;-webkit-user-select:none;user-select:none;pointer-events:auto}#arrowCanvas:active{cursor:grabbing}.controls{position:absolute;top:24px;right:24px;background:#fffffffa;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:12px;border-radius:12px;box-shadow:0 4px 16px #0000001a,0 2px 8px #0000000f;z-index:200;min-width:160px;border:1px solid rgba(0,0,0,.08);display:flex;flex-direction:column;gap:8px}.control-group{margin-bottom:14px}.control-group label{display:block;margin-bottom:6px;font-weight:600;color:#171717;font-size:13px}.control-group select,.control-group input{width:100%;padding:8px 10px;border:1.5px solid #e5e5e5;border-radius:8px;font-size:13px;background:#fff;color:#171717;transition:all .15s ease}.control-group select:focus,.control-group input:focus{outline:none;border-color:#000}.export-button{background:linear-gradient(180deg,#2a2a2a,#171717);color:#fff;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-weight:500;width:100%;font-size:12px;transition:all .15s ease}.export-button:hover{background:linear-gradient(180deg,#171717,#000)}.status{position:absolute;bottom:24px;left:24px;background:#000000d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;z-index:200;font-weight:500;box-shadow:0 4px 12px #0003;border:1px solid rgba(255,255,255,.1)}.download-dropdown{position:relative}.export-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:240px;background:var(--color-bg-white, #ffffff);border:1px solid var(--color-border, #e5e5e5);border-radius:12px;box-shadow:var(--shadow-lg, 0 8px 24px rgba(0, 0, 0, .12));z-index:1000;overflow:hidden;animation:exportMenuSlide .2s ease-out}@keyframes exportMenuSlide{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.export-option{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;border:none;background:transparent;cursor:pointer;text-align:left;transition:all .15s ease;color:var(--color-text-primary, #171717)}.export-option:hover{background:var(--color-bg-secondary, #f5f5f5)}.export-option:not(:last-child){border-bottom:1px solid var(--color-border, #f0f0f0)}.export-option-icon{font-size:20px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-secondary, #fafafa);border-radius:8px;flex-shrink:0}.export-option-text{display:flex;flex-direction:column;gap:2px}.export-option-title{font-size:14px;font-weight:600;color:var(--color-text-primary, #171717)}.export-option-desc{font-size:12px;color:var(--color-text-muted, #737373)}.dropdown-arrow{transition:transform .2s ease}.download-dropdown .download-button:hover .dropdown-arrow{transform:translateY(2px)}@media (max-width: 768px){.nav-links{display:none}.header-actions{gap:8px}.header-history{margin-right:8px;padding-right:8px}.header-history-button span:not(.history-count){display:none}.btn-secondary,.btn-primary{padding:6px 12px;font-size:13px}.header-history-dropdown{right:-12px;min-width:280px}.main-container{display:flex;flex-direction:row;height:calc(100vh - 64px);width:100%;overflow:hidden}.conversation-panel{position:fixed;top:64px;left:0;right:0;bottom:0;width:100%!important;max-height:none;height:calc(100vh - 64px);z-index:50;border-right:none;border-bottom:none;background:var(--color-bg, #f7f7f5)}.scene-panel{position:absolute!important;top:0;left:0;right:0;bottom:0;width:100%!important;height:100%!important;flex:none}.main-container.sidebar-collapsed .scene-panel{display:flex!important;width:100%!important;height:100%!important}.sidebar-expand-btn{position:fixed;top:auto;bottom:24px;left:16px;z-index:100;width:56px;height:56px;border-radius:50%;box-shadow:0 4px 20px #00000040;background:var(--color-bg-white, #ffffff)}.sidebar-expand-btn svg{width:24px;height:24px}.new-chat-button span{display:none}.new-chat-button{padding:8px;min-width:40px}.collapse-sidebar-btn{width:40px;height:40px}.canvas-container,#mainCanvas{width:100%!important;height:100%!important}.hotspots-toggle-btn{bottom:100px}.parameter-inline-editor{max-width:90vw}}@media (max-width: 480px){.sidebar-expand-btn{width:52px;height:52px;bottom:20px;left:16px}.sidebar-header{padding:12px 16px}.chat-input-area{padding:12px}.message-content{max-width:95%;padding:10px 12px;font-size:13px}}[data-theme=dark] .viewer-page{background:#0a0a0a;color:#fafafa}[data-theme=dark] .main-container{background:#0a0a0a}[data-theme=dark] .conversation-panel{background:#0a0a0a;border-right-color:#333}[data-theme=dark] .sidebar-header{background:#0a0a0a;border-bottom-color:#333}[data-theme=dark] .new-chat-button{border-color:#333;color:#a3a3a3}[data-theme=dark] .new-chat-button:hover{border-color:#fff;color:#fff;background:#141414}[data-theme=dark] .download-button{border-color:#333;color:#a3a3a3}[data-theme=dark] .download-button:hover{border-color:#fff;color:#fff;background:#141414}[data-theme=dark] .chat-messages{background:#141414;border-bottom-color:#333}[data-theme=dark] .chat-messages:empty:before{color:#525252}[data-theme=dark] .message-content{background:#1a1a1a;color:#fafafa;border-color:#333}[data-theme=dark] .message-content:hover{border-color:#444}[data-theme=dark] .message.user .message-content{background:#fff;color:#0a0a0a;border-color:#fff}[data-theme=dark] .message.user .message-content:hover{background:#e5e5e5}[data-theme=dark] .message-content strong,[data-theme=dark] .message-content b{color:#fafafa}[data-theme=dark] .chat-input-area{background:#0a0a0a;border-top-color:#333}[data-theme=dark] .chat-input-container{background:#141414;border-color:#333}[data-theme=dark] .chat-input-container:focus-within{border-color:#fff}[data-theme=dark] .chat-input{color:#fafafa}[data-theme=dark] .chat-input::placeholder{color:#525252}[data-theme=dark] .attach-button{background:#1a1a1a;border-color:#333;color:#a3a3a3}[data-theme=dark] .attach-button:hover{background:#333;border-color:#444;color:#fff}[data-theme=dark] .send-button{background:#fff;color:#0a0a0a}[data-theme=dark] .send-button:hover{background:#e5e5e5}[data-theme=dark] .send-button:disabled{background:#1a1a1a;color:#525252}[data-theme=dark] .mode-toggle-btn{background:#141414;border-color:#333;color:#a3a3a3}[data-theme=dark] .mode-toggle-btn:hover{border-color:#fff;background:#1a1a1a}[data-theme=dark] .mode-toggle-btn.active{border-color:#fff;background:#1a1a1a;color:#fff}[data-theme=dark] .mode-toggle-btn svg{color:#737373}[data-theme=dark] .mode-toggle-btn.active svg{color:#fff}[data-theme=dark] .toggle-indicator.off{background:#1a1a1a;color:#737373}[data-theme=dark] .toggle-indicator.on{background:#fff;color:#0a0a0a}[data-theme=dark] .export-menu{background:#141414;border-color:#333}[data-theme=dark] .export-option{color:#fafafa}[data-theme=dark] .export-option:hover{background:#1a1a1a}[data-theme=dark] .export-option:not(:last-child){border-bottom-color:#333}[data-theme=dark] .export-option-icon{background:#1a1a1a}[data-theme=dark] .export-option-title{color:#fafafa}[data-theme=dark] .export-option-desc{color:#737373}:root{--color-bg: #f7f7f5;--color-bg-white: #ffffff;--color-bg-primary: #f7f7f5;--color-bg-secondary: #ffffff;--color-bg-tertiary: #fafaf9;--color-text-primary: #0a0a0a;--color-text-secondary: #525252;--color-text-muted: #737373;--color-text-placeholder: #a3a3a3;--color-border: #e5e5e5;--color-border-dashed: #d1d1d1;--color-accent: #0a0a0a;--color-accent-hover: #1a1a1a;--color-link: #0a0a0a;--color-user-message-bg: #0a0a0a;--color-user-message-text: #ffffff;--color-scene-bg: #0a0a0a;--color-scrollbar: #e5e5e5;--color-scrollbar-hover: #d4d4d4;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 24px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .15)}[data-theme=dark]{--color-bg: #0a0a0a;--color-bg-white: #141414;--color-bg-primary: #0a0a0a;--color-bg-secondary: #141414;--color-bg-tertiary: #1a1a1a;--color-text-primary: #fafafa;--color-text-secondary: #a3a3a3;--color-text-muted: #737373;--color-text-placeholder: #525252;--color-border: #2a2a2a;--color-border-dashed: #333333;--color-accent: #ffffff;--color-accent-hover: #e5e5e5;--color-link: #ffffff;--color-user-message-bg: #ffffff;--color-user-message-text: #ffffff;--color-scene-bg: #000000;--color-scrollbar: #333333;--color-scrollbar-hover: #444444;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;margin:0;padding:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background .3s ease,color .3s ease}.main-container{display:flex;width:100%;height:100%}.conversation-panel{width:400px;background:var(--color-bg-secondary);display:flex;flex-direction:column;border-right:1px solid var(--color-border);position:relative;flex-shrink:0}.sidebar-header{padding:16px 16px 12px;border-bottom:1px solid var(--color-border);background:var(--color-bg-secondary);flex-shrink:0}.sidebar-header .logo-container{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.sidebar-header .logo{font-family:Sora,-apple-system,BlinkMacSystemFont,sans-serif;font-size:18px;font-weight:700;color:var(--color-text-primary);letter-spacing:-.02em}.new-chat-button{display:inline-flex;align-items:center;gap:8px;height:36px;background:transparent;border:1px solid var(--color-border);border-radius:9999px;color:var(--color-text-secondary);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px;font-weight:500;cursor:pointer;padding:0 16px;transition:all .2s ease;width:auto}.new-chat-button svg{width:16px;height:16px;flex-shrink:0;transition:transform .2s ease}.new-chat-button:hover{border-color:var(--color-accent);color:var(--color-text-primary);background:var(--color-bg-tertiary)}.new-chat-button:hover svg{transform:rotate(90deg)}.new-chat-button:active{transform:scale(.97)}.chat-messages{flex:1;padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;background:var(--color-bg-tertiary)}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:var(--color-scrollbar);border-radius:3px}.chat-messages::-webkit-scrollbar-thumb:hover{background:var(--color-scrollbar-hover)}.message{display:flex;flex-direction:column;gap:8px}.message-content{background:var(--color-bg-secondary);padding:12px 14px;border-radius:12px;color:var(--color-text-primary);max-width:85%;word-wrap:break-word;border:1px solid var(--color-border);line-height:1.5;font-size:14px}.message.user .message-content{background:var(--color-user-message-bg);color:var(--color-user-message-text);margin-left:auto;border-color:var(--color-user-message-bg)}.chat-input-area{padding:12px 16px 16px;border-top:1px solid var(--color-border);background:var(--color-bg-secondary);flex-shrink:0}.chat-input-container{display:flex;align-items:flex-end;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:12px;padding:10px 12px;gap:10px;transition:all .15s ease;min-height:44px}.chat-input-container:focus-within{border-color:var(--color-accent);background:var(--color-bg-secondary)}.chat-input-wrapper{flex:1;display:flex;flex-direction:column}.chat-input{flex:1;background:none;border:none;color:var(--color-text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;outline:none;resize:none;line-height:1.5;max-height:120px;overflow-y:auto;min-height:24px}.chat-input::placeholder{color:var(--color-text-placeholder)}.chat-input::-webkit-scrollbar{width:4px}.chat-input::-webkit-scrollbar-thumb{background:var(--color-scrollbar);border-radius:2px}.input-actions{display:flex;gap:6px;align-items:center}.attach-button{background:none;border:none;color:var(--color-text-muted);cursor:pointer;padding:6px;border-radius:6px;transition:all .15s ease;display:flex;align-items:center;justify-content:center;width:28px;height:28px}.attach-button:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.send-button{background:var(--color-accent);border:none;color:var(--color-bg-primary);cursor:pointer;font-size:16px;padding:0;border-radius:8px;transition:all .15s ease;display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0}.send-button:hover{background:var(--color-accent-hover)}.send-button:active{transform:scale(.95)}.send-button:disabled{background:var(--color-bg-tertiary);color:var(--color-text-placeholder);cursor:not-allowed}.conversation-history{border-top:1px solid var(--color-border);background:var(--color-bg-secondary);flex-shrink:0;max-height:200px;overflow-y:auto}.conversation-history-header{padding:12px 16px;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:12px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;background:var(--color-bg-tertiary);border-bottom:1px solid var(--color-border)}.conversation-list{padding:8px}.conversation-list::-webkit-scrollbar{width:6px}.conversation-list::-webkit-scrollbar-track{background:transparent}.conversation-list::-webkit-scrollbar-thumb{background:var(--color-scrollbar);border-radius:3px}.conversation-list::-webkit-scrollbar-thumb:hover{background:var(--color-scrollbar-hover)}.conversation-item{padding:10px 12px;border-radius:8px;cursor:pointer;transition:all .15s ease;margin-bottom:4px;border:1px solid transparent;display:flex;align-items:center;justify-content:space-between;gap:8px}.conversation-item:hover,.conversation-item.active{background:var(--color-bg-tertiary);border-color:var(--color-border)}.conversation-item-title{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px;font-weight:500;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.conversation-item-time{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:11px;color:var(--color-text-placeholder);flex-shrink:0}.scene-panel{flex:1;background:var(--color-scene-bg);position:relative;overflow:hidden}canvas{display:block}#mainCanvas{width:100%;height:100%}#arrowCanvas{position:absolute;left:0;bottom:0;width:150px;height:150px;z-index:100}select{width:170px}.controls{position:absolute;top:16px;right:16px;background:var(--color-bg-secondary);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:12px;border-radius:12px;box-shadow:var(--shadow-md);z-index:200;min-width:160px;border:1px solid var(--color-border);display:flex;flex-direction:column;gap:8px}.control-group{margin-bottom:16px}.control-group:last-of-type{margin-bottom:0}.control-group label{display:block;margin-bottom:8px;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-weight:600;color:var(--color-text-primary);font-size:13px}.control-group select,.control-group input{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:8px;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px;background:var(--color-bg-secondary);color:var(--color-text-primary);transition:all .15s ease}.control-group select:focus,.control-group input:focus{outline:none;border-color:var(--color-accent)}.export-button{background:var(--color-accent);color:var(--color-bg-primary);border:none;padding:10px 16px;border-radius:8px;cursor:pointer;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-weight:600;width:100%;font-size:13px;transition:all .2s ease}.export-button:hover{background:var(--color-accent-hover)}.export-button:active{transform:scale(.98)}.status{position:absolute;bottom:20px;left:20px;background:#0a0a0ae6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;padding:12px 16px;border-radius:10px;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px;z-index:200;font-weight:500}[data-theme=dark] .status{background:#ffffff26}@media (max-width: 768px){.conversation-panel{width:100%}.scene-panel{width:100%;display:none}.main-container.mobile-scene .conversation-panel{display:none}.main-container.mobile-scene .scene-panel{display:block}}.user-menu{position:relative}.user-menu-trigger{display:flex;align-items:center;gap:8px;padding:4px 8px 4px 4px;background:#fff;border:1px solid #e5e5e5;border-radius:999px;cursor:pointer;transition:all .15s}.user-menu-trigger:hover{background:#f5f5f5;border-color:#d4d4d4}.user-menu-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}.user-menu-avatar-initials{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#171717,#404040);color:#fff;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center}.user-menu-chevron{color:#737373;transition:transform .2s}.user-menu-chevron.open{transform:rotate(180deg)}.user-menu-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid #e5e5e5;border-radius:12px;box-shadow:0 10px 40px -10px #00000026;min-width:220px;overflow:hidden;animation:dropdownFadeIn .15s ease-out;z-index:1001}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.user-menu-info{padding:16px;background:#fafafa}.user-menu-name{font-size:14px;font-weight:600;color:#171717;margin-bottom:2px}.user-menu-email{font-size:13px;color:#737373;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-divider{height:1px;background:#e5e5e5}.user-menu-item{display:flex;align-items:center;gap:12px;padding:12px 16px;font-size:14px;color:#171717;text-decoration:none;cursor:pointer;transition:all .15s;border:none;background:none;width:100%;text-align:left}.user-menu-item:hover{background:#f5f5f5}.user-menu-item svg{color:#737373}.user-menu-signout{color:#dc2626}.user-menu-signout:hover{background:#fef2f2}.user-menu-signout svg{color:#dc2626}.login-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.login-modal{background:#fff;border-radius:16px;width:100%;max-width:420px;margin:24px;position:relative;box-shadow:0 25px 50px -12px #00000040;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-modal-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:24px;color:#737373;cursor:pointer;padding:4px 8px;border-radius:4px;transition:all .15s;line-height:1}.login-modal-close:hover{background:#f5f5f5;color:#171717}.login-modal-content{padding:40px 32px}.login-modal-content h2{font-size:24px;font-weight:700;color:#111;margin-bottom:8px;letter-spacing:-.02em}.login-modal-subtitle{font-size:15px;color:#525252;margin-bottom:24px;line-height:1.5}.login-modal-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px}.login-modal-buttons{display:flex;flex-direction:column;gap:12px}.login-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px 20px;border-radius:10px;font-size:15px;font-weight:500;cursor:pointer;transition:all .15s;border:1px solid #e5e5e5}.login-button:disabled{opacity:.6;cursor:not-allowed}.login-button-google{background:#fff;color:#171717}.login-button-google:hover:not(:disabled){background:#f5f5f5;border-color:#d4d4d4}.login-button-github{background:#171717;color:#fff;border-color:#171717}.login-button-github:hover:not(:disabled){background:#000;border-color:#000}.login-modal-footer{font-size:12px;color:#737373;text-align:center;margin-top:24px;line-height:1.5}