:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg-gradient-start:#0f172a;--bg-gradient-end:#1e1b4b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--glass-bg:#ffffff0d;--glass-border:#ffffff1a;--glass-shadow:0 8px 32px 0 #0000005e;--primary-color:#6366f1;--primary-hover:#4f46e5;--accent-color:#ec4899;--pixel-off:#1e293b;--pixel-on:#f8fafc;--pixel-border:#334155;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}body{background:linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));min-height:100vh;color:var(--text-primary);background-attachment:fixed;justify-content:center;align-items:center;margin:0;display:flex}*{box-sizing:border-box}h1,h2,h3{margin-top:0}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:24px;padding:2rem}.btn{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;transition:all .2s;display:flex}.btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #6366f166}.btn:active{transform:translateY(0)}.btn-secondary{border:1px solid var(--glass-border);background:#ffffff1a}.btn-secondary:hover{background:#fff3;box-shadow:0 4px 12px #0003}.title{text-align:center;background:linear-gradient(90deg,#a855f7,#ec4899);color:#0000;text-shadow:0 2px 10px #ec489933;-webkit-background-clip:text;margin-bottom:2rem;font-size:2rem;font-weight:800}.app-container{flex-direction:column;gap:2rem;width:100%;max-width:800px;margin:2rem auto;display:flex}@media (width>=768px){.app-container{flex-direction:row;align-items:stretch}}.canvas-section{flex-direction:column;flex:1;align-items:center;display:flex}.controls-section{flex-direction:column;flex:1;gap:1.5rem;display:flex}.grid-container{background-color:var(--pixel-border);border:2px solid var(--pixel-border);-webkit-user-select:none;user-select:none;border-radius:8px;grid-template-rows:repeat(16,1fr);grid-template-columns:repeat(16,1fr);gap:1px;width:320px;height:320px;display:grid;overflow:hidden}.grid-cell{cursor:crosshair;width:100%;height:100%;transition:background-color .1s}.grid-cell[data-active="0"]{background-color:var(--pixel-off)}.grid-cell[data-active="0"]:hover{background-color:#334155}.grid-cell[data-active="1"]{background-color:var(--pixel-on);box-shadow:0 0 8px #ffffff80}.output-textarea{border:1px solid var(--glass-border);width:100%;height:280px;color:var(--text-primary);resize:none;letter-spacing:2px;background:#0000004d;border-radius:8px;padding:1rem;font-family:JetBrains Mono,Fira Code,monospace;font-size:14px;line-height:1.2}.output-textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 2px #6366f133}