:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--background:172.2 84% 4.9%;--foreground:160 40% 98%;--card:172.2 84% 4.9%;--card-foreground:160 40% 98%;--popover:172.2 84% 4.9%;--popover-foreground:210 40% 98%;--primary:147.2 91.2% 59.8%;--primary-foreground:172.2 47.4% 11.2%;--secondary:167.2 32.6% 17.5%;--secondary-foreground:160 40% 98%;--muted:167.2 32.6% 17.5%;--muted-foreground:165 20.2% 65.1%;--accent:167.2 32.6% 17.5%;--accent-foreground:160 40% 98%;--border:167.2 32.6% 17.5%;--input:167.2 32.6% 17.5%;--ring:174.3 76.3% 48%;--radius:.95rem;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}body{min-height:100vh;color:hsl(var(--foreground));background:radial-gradient(circle at top left, hsl(var(--primary) / .22), transparent 28%), linear-gradient(135deg, hsl(var(--background)) 0%, #062320 100%);margin:0}button,textarea{font:inherit}#root{min-height:100vh;padding:2rem}.app-shell{flex-direction:column;gap:1.25rem;width:min(1280px,100%);margin:0 auto;display:flex}.app-header{border:1px solid hsl(var(--border));border-radius:calc(var(--radius) + .35rem);background:linear-gradient(135deg, hsl(var(--card) / .95), #1e231b);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);justify-content:space-between;align-items:flex-start;gap:1rem;padding:1.5rem 1.75rem;display:flex;box-shadow:0 24px 60px #0f17294d}.eyebrow{text-transform:uppercase;letter-spacing:.3em;color:hsl(var(--primary));margin:0 0 .35rem;font-size:.74rem;font-weight:700}.app-header h1{color:hsl(var(--foreground));margin:0;font-size:clamp(1.7rem,2.2vw,2.4rem);line-height:1.1}.subtitle{color:hsl(var(--muted-foreground));max-width:560px;margin:.5rem 0 0}.header-actions{flex-wrap:wrap;gap:.75rem;display:flex}.button{cursor:pointer;border:0;border-radius:999px;padding:.75rem 1rem;font-weight:600;transition:transform .18s,box-shadow .18s,background .18s}.button:hover{transform:translateY(-1px)}.button.primary{background:linear-gradient(90deg, hsl(var(--primary)) 0%, #c6ed3b 100%);color:hsl(var(--primary-foreground));box-shadow:0 12px 24px hsl(var(--primary) / .3)}.button.secondary{background:hsl(var(--secondary));color:hsl(var(--secondary-foreground))}.workspace{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;display:grid}.panel{border:1px solid hsl(var(--border));border-radius:calc(var(--radius) + .4rem);background:hsl(var(--card));flex-direction:column;min-height:560px;display:flex;overflow:hidden;box-shadow:0 24px 60px #0f17293d}.panel-heading{border-bottom:1px solid hsl(var(--border));background:linear-gradient(90deg, hsl(var(--secondary) / .8), hsl(var(--card) / .88));justify-content:space-between;align-items:center;padding:1rem 1.2rem;display:flex}.panel-heading h2{color:hsl(var(--foreground));margin:0;font-size:1rem}.panel-heading span{color:hsl(var(--muted-foreground));font-size:.9rem}.editor{resize:none;width:100%;font:inherit;color:hsl(var(--foreground));background:0 0;border:0;outline:none;flex:1;padding:1.2rem;line-height:1.65}.editor::placeholder{color:hsl(var(--muted-foreground))}.preview-content{color:hsl(var(--foreground));flex:1;padding:1.25rem 1.35rem;overflow:auto}.preview-content h1,.preview-content h2,.preview-content h3{color:hsl(var(--foreground));margin-top:1.2rem;margin-bottom:.65rem}.preview-content p,.preview-content li,.preview-content blockquote{line-height:1.7}.preview-content ul,.preview-content ol{padding-left:1.25rem}.preview-content blockquote{border-left:4px solid hsl(var(--primary));color:hsl(var(--muted-foreground));margin:1rem 0;padding-left:1rem}.preview-content code{background:hsl(var(--secondary));color:hsl(var(--primary));border-radius:.35rem;padding:.2rem .4rem}.preview-content pre{color:hsl(var(--foreground));background:#0d2b15;border-radius:.8rem;padding:1rem;overflow-x:auto}.preview-content pre code{color:inherit;background:0 0;padding:0}.preview-content a{color:hsl(var(--primary));text-decoration:none}.preview-content a:hover{text-decoration:underline}@media (width<=900px){.workspace{grid-template-columns:1fr}.panel{min-height:420px}}@media (width<=640px){.app-header{flex-direction:column}.header-actions{width:100%}.button{flex:1}}