:root{--background:#0a0a0f;--foreground:#e4e4e8;--card:#16161e;--card-hover:#1e1e2a;--primary:#7c5cfc;--primary-light:#a78bfa;--primary-bg:#1a1333;--answer-bg:#0c2e1c;--answer-text:#4ade80;--answer-wrong-bg:#3b1111;--answer-wrong-text:#fca5a5;--border:#2a2a3a;--muted:#6b6b80;--radius:10px;--shadow:0 2px 12px #0006}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--foreground);background:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;display:flex}*{box-sizing:border-box;margin:0;padding:0}a{color:var(--primary);text-decoration:none;transition:color .15s}a:hover{color:var(--primary-light)}input,textarea,button{font-family:inherit}input:focus,textarea:focus{outline:none;box-shadow:0 0 0 2px #7c5cfc33;border-color:var(--primary)!important}