:root{--bg-primary: #FFFFFF;--bg-secondary: #F5F5F5;--bg-tertiary: #EBEBEB;--text-primary: #111111;--text-secondary: #666666;--text-tertiary: #999999;--border-color: #E0E0E0;--accent: #10B981;--accent-hover: #059669;--accent-secondary: #6366F1;--success: #22C55E;--warning: #F59E0B;--error: #EF4444;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px}[data-theme=dark]{--bg-primary: #0F0F0F;--bg-secondary: #1A1A1A;--bg-tertiary: #252525;--text-primary: #FFFFFF;--text-secondary: #A0A0A0;--text-tertiary: #666666;--border-color: #2A2A2A;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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ease}.btn-primary{background-color:var(--accent);color:#fff}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-tertiary)}.btn-ghost{background-color:transparent;color:var(--text-primary)}.btn-ghost:hover{background-color:var(--bg-secondary)}.btn-lg{padding:1rem 2rem;font-size:1rem}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;transition:all .2s ease}.card:hover{box-shadow:var(--shadow-md)}.card-header{margin-bottom:1rem}.card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.card-body{color:var(--text-secondary)}.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.25rem .75rem;font-size:.75rem;font-weight:500;border-radius:var(--radius-full);background-color:var(--bg-tertiary);color:var(--text-primary)}.badge-success{background-color:#22c55e26;color:var(--success)}.badge-warning{background-color:#f59e0b26;color:var(--warning)}.badge-error{background-color:#ef444426;color:var(--error)}.badge-accent{background-color:#10b98126;color:var(--accent)}.input{width:100%;padding:.875rem 1rem;font-family:Inter,sans-serif;font-size:.9375rem;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);transition:all .2s ease}.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #10b98126}.input::placeholder{color:var(--text-tertiary)}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{font-size:.875rem;font-weight:500;color:var(--text-primary)}.divider{height:1px;background-color:var(--border-color);margin:1.5rem 0}.icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:var(--radius-md);background-color:transparent;color:var(--text-primary);cursor:pointer;transition:all .2s ease}.icon-btn:hover{background-color:var(--bg-secondary)}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:1rem 0;background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);transition:all .3s ease}.navbar-content{display:flex;align-items:center;justify-content:space-between}.navbar-logo{font-family:Outfit,sans-serif;font-size:1.5rem;font-weight:700;color:var(--text-primary)}.navbar-logo span{color:var(--accent)}.navbar-links{display:flex;align-items:center;gap:2rem}.navbar-link{font-size:.9375rem;font-weight:500;color:var(--text-secondary);transition:color .2s 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2.5rem}.hero-actions{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.feature-card{padding:2rem}.feature-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background-color:#10b9811a;color:var(--accent);border-radius:var(--radius-md);margin-bottom:1rem}.feature-title{font-size:1.125rem;margin-bottom:.5rem}.feature-description{font-size:.9375rem;color:var(--text-secondary)}.pricing-card{max-width:400px;margin:0 auto;text-align:center;padding:2.5rem}.pricing-price{font-size:3.5rem;font-weight:700;color:var(--text-primary)}.pricing-price span{font-size:1rem;font-weight:400;color:var(--text-secondary)}.pricing-features{list-style:none;margin:2rem 0;text-align:left}.pricing-features li{display:flex;align-items:center;gap:.75rem;padding:.75rem 0;color:var(--text-secondary);border-bottom:1px solid var(--border-color)}.pricing-features li:last-child{border-bottom:none}.pricing-features li 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1.5rem;background-color:var(--accent);color:#fff;border-radius:var(--radius-md)}.prediction-reasoning{color:var(--text-secondary);line-height:1.7}.footer{padding:3rem 0;border-top:1px solid var(--border-color);margin-top:5rem}.footer-content{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}.footer-logo{font-family:Outfit,sans-serif;font-size:1.25rem;font-weight:700;color:var(--text-primary)}.footer-logo span{color:var(--accent)}.footer-links{display:flex;align-items:center;gap:2rem}.footer-link{font-size:.875rem;color:var(--text-secondary)}.footer-link:hover{color:var(--text-primary)}.theme-toggle{position:relative;width:52px;height:28px;background-color:var(--bg-tertiary);border-radius:var(--radius-full);padding:3px;cursor:pointer;border:none}.theme-toggle-thumb{position:absolute;top:3px;left:3px;width:22px;height:22px;background-color:var(--bg-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform 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