:root{color-scheme:light dark;--bg:#ffffff;--fg:#16181d;--muted:#5b6472;--border:#d9dee6;--card:#f7f8fa}@media (prefers-color-scheme:dark){:root{--bg:#14161a;--fg:#e8eaee;--muted:#9aa4b2;--border:#2c3138;--card:#1b1e24}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}main{max-width:60rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}h1{font-size:1.5rem;margin:0 0 .25rem}.subtitle{color:var(--muted);margin:0 0 2rem}.notice{border:1px solid var(--border);background:var(--card);border-radius:.5rem;padding:1rem 1.25rem}.notice h2{font-size:1rem;margin:0 0 .5rem}.notice ul{margin:0;padding-left:1.25rem;color:var(--muted)}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.875em}.muted{color:var(--muted)}.notice.error{border-color:#c0392b}.notice p{margin:0 0 1rem}.notice p:last-child{margin-bottom:0}button{font:inherit;font-weight:500;padding:.5rem 1rem;border-radius:.375rem;border:1px solid transparent;background:#b6082a;color:#fff;cursor:pointer}button:hover{filter:brightness(1.08)}button.secondary{background:transparent;color:var(--fg);border-color:var(--border)}.row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 0 1.5rem;border-bottom:1px solid var(--border);margin-bottom:1.5rem}