:root{color-scheme:light}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#0f172a;background:#f8fafc}body{min-height:100vh}a{color:#0f766e;text-decoration:none}a:hover{text-decoration:underline}main{line-height:1.5}header nav a{font-weight:500}section{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:1rem}h1,h2,h3{margin:0 0 .5rem}p{margin:.25rem 0 .75rem}ol,ul{margin:.25rem 0 0;padding-left:1.25rem}button,input{font:inherit}input{border:1px solid #cbd5e1;border-radius:8px;background:#fff}button{border:1px solid #0f766e;border-radius:8px;background:#0f766e;color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}table{width:100%;border-collapse:collapse}td,th{font-size:.95rem}