:root{--color-bg-primary: #0f1419;--color-bg-secondary: #1a1f2e;--color-bg-tertiary: #242b3d;--color-surface: #2d3548;--color-surface-elevated: #3a4259;--color-accent-cyan: #06b6d4;--color-accent-blue: #3b82f6;--color-accent-purple: #8b5cf6;--color-accent-sky: #0ea5e9;--color-accent-indigo: #6366f1;--color-accent-coral: #3b82f6;--color-accent-teal: #06b6d4;--color-accent-amber: #0ea5e9;--color-accent-violet: #8b5cf6;--color-accent-emerald: #06b6d4;--color-text-primary: #f8fafc;--color-text-secondary: #cbd5e1;--color-text-tertiary: #94a3b8;--color-text-muted: #64748b;--color-success: #06b6d4;--color-error: #ef4444;--color-warning: #0ea5e9;--color-info: #3b82f6;--gradient-primary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);--gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);--gradient-tertiary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);--gradient-surface: linear-gradient(135deg, #2d3548 0%, #3a4259 100%);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .5);--shadow-glow-coral: 0 0 20px rgba(59, 130, 246, .3);--shadow-glow-teal: 0 0 20px rgba(6, 182, 212, .3);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,sans-serif;line-height:1.6;font-weight:400;color-scheme:dark;color:var(--color-text-primary);background:var(--color-bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}a{font-weight:500;color:var(--color-accent-teal);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-accent-coral)}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background:radial-gradient(ellipse at top,#1a1f2e,#0f1419 50%);background-attachment:fixed}h1{font-size:3.2em;line-height:1.2;font-weight:700;letter-spacing:-.02em}button{border-radius:12px;border:2px solid 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auto;padding:2.5rem}.app-header{text-align:center;margin-bottom:1.5rem}.app-header h1{font-size:2rem;margin:0;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}.hero-blurb{max-width:750px;margin:2rem auto 0;text-align:center}.hero-blurb .tagline{font-size:1.5rem;font-weight:700;color:var(--color-text-primary);margin:0 0 1.25rem;line-height:1.4;letter-spacing:-.01em}.hero-blurb .description{font-size:1.1rem;color:var(--color-text-secondary);line-height:1.7;margin:0 0 1.25rem}.hero-blurb .cta{font-size:1rem;color:var(--color-text-tertiary);font-style:italic;margin:0}@media(max-width:768px){.app-container{padding:1.5rem 1rem}.app-header{margin-bottom:1.5rem}.app-header h1{font-size:1.3rem}.hero-blurb{margin:1rem auto 0}.hero-blurb .tagline{font-size:1.1rem}.hero-blurb .description{font-size:.95rem}.hero-blurb .cta{font-size:.9rem}}@media(max-width:480px){.app-container{padding:1rem 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.send-icon{font-size:1.5rem}.mode-dock .send-icon{font-size:1.2rem}.button-spinner{border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.mode-hero .button-spinner{width:20px;height:20px}.mode-dock .button-spinner{width:16px;height:16px}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.chat-input-form{padding:0 1.5rem}.mode-hero .query-input{font-size:.95rem;height:50px;padding:14px 50px 14px 16px;border-radius:25px}.mode-hero .send-button{width:38px;height:38px;top:6px;right:6px}.mode-hero .send-icon{font-size:1.3rem}.mode-dock{padding:1rem 0}.mode-dock .query-input{font-size:.9rem;height:44px;padding:10px 45px 10px 16px}.mode-dock .send-button{width:32px;height:32px}.mode-dock .send-icon{font-size:1.1rem}}.layout{display:flex;flex-direction:column;height:100vh;overflow:hidden;position:relative}.layout:before{content:"";position:fixed;inset:0;background-image:radial-gradient(circle at 20% 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a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient-primary);transition:width .3s ease}.nav-links a:hover{color:var(--color-accent-coral)}.nav-links a:hover:after{width:100%}.content{flex:1;position:relative;z-index:1;display:flex;flex-direction:column;overflow:hidden}.footer{padding:1rem 2rem;text-align:center;color:var(--color-text-muted);border-top:1px solid rgba(6,182,212,.1);margin-top:0;position:relative;z-index:1;background:#0f141980;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex-shrink:0}.footer p{margin:0;font-size:.85rem}@media(max-width:768px){.nav{display:none!important}}