:root{--bg-color:#0f172a;--surface-color:#1e293b;--surface-color-hover:#334155;--primary-color:#3b82f6;--primary-color-hover:#2563eb;--text-color:#f8fafc;--text-muted:#94a3b8;--border-color:#334155;--error-color:#ef4444;--success-color:#10b981;--font-sans:"Inter", system-ui, -apple-system, sans-serif}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;margin:0;padding:0}.app-container{flex-direction:column;min-height:100vh;display:flex}.navbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:100;background-color:#0f172acc;justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex;position:sticky;top:0}.nav-brand a{color:var(--text-color);background:linear-gradient(90deg,#3b82f6,#8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:700;text-decoration:none}.nav-links{align-items:center;gap:2rem;display:flex}.nav-links a{color:var(--text-muted);font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--text-color)}.btn-primary{cursor:pointer;border:none;border-radius:.5rem;padding:.5rem 1.25rem;font-weight:600;transition:all .2s;background-color:var(--primary-color)!important;color:#fff!important;-webkit-text-fill-color:white!important}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d;background-color:var(--primary-color-hover)!important}.main-content{box-sizing:border-box;flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem}.footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:auto;padding:2rem}.hero-section{text-align:center;padding:6rem 1rem}.hero-section h1{background:linear-gradient(90deg,#60a5fa,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1.5rem;font-size:4rem}.hero-section p{color:var(--text-muted);max-width:600px;margin:0 auto 3rem;font-size:1.25rem;line-height:1.6}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:4rem;display:grid}.feature-card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:1rem;padding:2rem;transition:transform .2s}.feature-card:hover{border-color:var(--primary-color);transform:translateY(-5px)}.feature-card h3{color:var(--primary-color);margin-top:0}.pricing-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem;display:grid}.pricing-card{background-color:var(--surface-color);border:1px solid var(--border-color);text-align:center;border-radius:1rem;padding:2.5rem}.pricing-card h2{margin-top:0;font-size:1.5rem}.pricing-card .price{color:var(--primary-color);margin:1.5rem 0;font-size:2.5rem;font-weight:700}.pricing-list{text-align:left;margin-bottom:2rem;padding:0;list-style:none}.pricing-list li{color:var(--text-muted);border-bottom:1px solid #ffffff0d;padding:.5rem 0}.form-container{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:1rem;max-width:400px;margin:4rem auto;padding:2.5rem;box-shadow:0 10px 25px #00000080}.form-group{text-align:left;margin-bottom:1.5rem}.form-group label{color:var(--text-muted);margin-bottom:.5rem;font-weight:500;display:block}.form-group input{border:1px solid var(--border-color);background-color:var(--bg-color);width:100%;color:var(--text-color);box-sizing:border-box;border-radius:.5rem;padding:.75rem;font-size:1rem}.form-group input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 2px #3b82f633}.api-key-box{border:1px dashed var(--success-color);word-break:break-all;color:var(--success-color);background-color:#020617;border-radius:.5rem;margin-top:2rem;padding:1.5rem;font-family:monospace}