:root{color-scheme:light dark;--background-light:#fff;--background-dark:#121212;--text-light:#333;--text-dark:#f5f5f5;--accent:#0070f3;--border-color-light:#ccc;--border-color-dark:#444;--divider-light:#ddd;--divider-dark:#333}body{margin:0;padding:0;font-family:Helvetica Neue,sans-serif;background-color:var(--background-light);color:var(--text-light);line-height:1.6}@media (prefers-color-scheme:dark){body{background-color:var(--background-dark);color:var(--text-dark)}}main.container{max-width:800px;margin:0 auto;padding:2rem 1rem}header.centered{text-align:center;margin-bottom:2rem}header a{color:var(--accent);text-decoration:none}.social a{margin-right:15px;font-size:1rem}h2{border-bottom:1px solid var(--divider-light);padding-bottom:.5rem;color:inherit}@media (prefers-color-scheme:dark){h2{border-color:var(--divider-dark)}}ul{list-style:none;padding-left:0}li{margin-bottom:.5rem}.gallery{display:flex;flex-wrap:wrap;gap:1rem}.gallery div{flex:1 1 45%}form input,form textarea{width:100%;padding:8px;margin-bottom:1rem;border:1px solid var(--border-color-light);border-radius:4px;background-color:#fff;color:#000}form button{padding:10px 20px;background-color:var(--accent);color:#fff;border:none;border-radius:4px;cursor:pointer}@media (prefers-color-scheme:dark){form input,form textarea{background-color:#1f1f1f;color:#f5f5f5;border-color:var(--border-color-dark)}}footer{text-align:center;font-size:.9rem;color:#666;padding:2rem 1rem;border-top:1px solid var(--divider-light)}@media (prefers-color-scheme:dark){footer{color:#aaa;border-color:var(--divider-dark)}}