:root{--color-primary: #f472b6;--color-primary-light: #f9a8d4;--color-primary-dark: #db2777;--color-primary-glow: rgba(244, 114, 182, .3);--bg-primary: #0b0810;--bg-secondary: #150f1e;--bg-card: #211933;--bg-input: #0e0a16;--border-color: rgba(244, 114, 182, .15);--border-hover: rgba(244, 114, 182, .35);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--gradient-primary: linear-gradient(135deg, #f472b6, #db2777, #be185d);--gradient-accent: linear-gradient(135deg, #a78bfa, #f472b6);--shadow-glow: 0 0 30px var(--color-primary-glow);--font-family: "Inter", -apple-system, sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease }*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6}a{color:var(--color-primary-light);text-decoration:none}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border-color);padding:24px 16px;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:0 8px 24px;border-bottom:1px solid var(--border-color);margin-bottom:24px}.sidebar-logo h1{font-size:1.25rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-icon{width:36px;height:36px;background:var(--gradient-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.nav-item:hover{background:var(--bg-card);color:var(--text-primary)}.nav-item.active{background:var(--color-primary-glow);color:var(--color-primary-light);font-weight:600}.main-content{flex:1;margin-left:260px;padding:32px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.page-header h2{font-size:1.5rem;font-weight:700}.page-header p{color:var(--text-secondary);font-size:.875rem;margin-top:4px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition-normal)}.card:hover{border-color:var(--border-hover)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-family:var(--font-family);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 1px 3px #0000004d,0 0 20px var(--color-primary-glow)}.btn-primary:hover{transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-lg{padding:14px 28px;font-size:1rem}.btn-sm{padding:6px 12px;font-size:.75rem}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.875rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);font-size:.875rem;outline:none;transition:all var(--transition-fast)}.form-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-glow)}.form-textarea{min-height:150px;resize:vertical}.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;cursor:pointer;border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-secondary);transition:all var(--transition-fast)}.chip.selected{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.empty-state{text-align:center;padding:60px 20px}.empty-state-icon{font-size:64px;margin-bottom:16px;opacity:.5}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px}.comparison-panel{border-radius:var(--radius-md);padding:20px;white-space:pre-wrap;font-size:.875rem;line-height:1.7}.landing-hero{text-align:center;padding:100px 20px 80px;position:relative;overflow:hidden}.landing-hero:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 70%,var(--color-primary-glow) 0%,transparent 50%);animation:float 15s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.landing-hero-content{position:relative;z-index:1;max-width:800px;margin:0 auto}.landing-hero h1{font-size:3.5rem;font-weight:900;line-height:1.1;margin-bottom:20px}.gradient-text{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .25s ease forwards}@media (max-width:768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0;padding:16px}.comparison{grid-template-columns:1fr}.landing-hero h1{font-size:2rem}}