@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Merriweather:wght@300;400;700&display=swap";:root{--bg-color: #f4f7f9;--paper-color: rgba(255, 255, 255, .95);--text-main: #1a1a1a;--text-muted: #5a6b7a;--border-color: rgba(224, 231, 237, .8);--primary-color: #1e3a8a;--primary-light: rgba(30, 58, 138, .05);--accent-color: #f97316;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 12px 32px rgba(0, 0, 0, .08);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--radius-sm: 8px;--radius-md: 12px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-sans);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-weight:700;color:var(--primary-color);margin-bottom:.5rem;letter-spacing:-.02em}.paper-card{background:var(--paper-color);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:all .3s cubic-bezier(.4,0,.2,1)}.paper-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#1e3a8a33}.btn{background:var(--paper-color);color:var(--text-main);border:1px solid #ccc;padding:.6rem 1.2rem;border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-sans);font-size:.9rem;transition:all .2s ease;display:inline-flex;align-items:center;gap:.5rem}.btn:hover{background:#f5f5f5;border-color:#bbb}.btn-primary{background:var(--primary-color);color:#fff;border:1px solid var(--primary-color)}.btn-primary:hover{background:#1a252f;color:#fff}input,textarea{background:var(--paper-color);border:1px solid #ddd;color:var(--text-main);padding:.8rem;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:1rem;width:100%}input:focus,textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #2c3e501a}.container{max-width:1800px;margin:0 auto;padding:1rem 2rem;width:100%}.responsive-grid{display:grid;grid-template-columns:1fr;gap:1.5rem;flex:1;min-height:600px}@media(min-width:1024px){.responsive-grid{grid-template-columns:1fr 1fr;gap:2rem}}.panel-sync-height{height:540px}@media(max-width:1199px){.history-panel{height:300px}}.premium-textarea:focus{background:#fff;border-color:var(--primary-color);box-shadow:0 0 0 4px var(--primary-light)}footer{font-family:var(--font-sans)!important}h1,h2,h3{text-transform:uppercase;letter-spacing:.1em;font-size:.9rem}.main-layout{display:flex;flex-direction:column;gap:1.5rem}@media(min-width:1200px){.main-layout{flex-direction:row;align-items:flex-start}.history-panel{width:280px;flex-shrink:0;position:sticky;top:1.5rem}.workspace-panel{flex:1}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}