:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-blue: #8ecfff;--dark-bg: #0f1117;--panel-bg: #1b1d2a;--font-light: #ffffff}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--dark-bg);color:var(--font-light)}.app-grid{display:grid;grid-template-columns:minmax(260px,1fr) minmax(300px,2fr) minmax(320px,2fr);gap:1.5rem;padding:2rem;max-width:1440px;margin:auto;box-sizing:border-box}section{background-color:var(--panel-bg);border-radius:12px;padding:1.5rem;color:var(--font-light);box-shadow:0 0 10px #0000004d}button{font-family:inherit}footer{text-align:center;padding:1rem;margin-top:2rem;color:var(--primary-blue);font-size:.85rem}@media (max-width: 1080px){.app-grid{grid-template-columns:1fr;grid-template-rows:auto auto auto;padding:1rem}section{margin-bottom:1rem}}