:root{--bg:#fbfbfa;--panel:#fff;--ink:#1a1a19;--muted:#6b6b66;--line:#e4e4e0;--accent:#2f5d50;--danger:#9b2c2c;--warn-bg:#fdf6e3;--warn-line:#e6d5a8;--radius:8px}@media (prefers-color-scheme:dark){:root{--bg:#16161a;--panel:#1e1e23;--ink:#ececea;--muted:#9a9a94;--line:#33333a;--accent:#7fbfa8;--danger:#e08585;--warn-bg:#2b2617;--warn-line:#4d4326}}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font:15px/1.55 ui-sans-serif,-apple-system,Segoe UI,system-ui,sans-serif}main{max-width:900px;margin:0 auto;padding:2.5rem 1.25rem 4rem}h1{margin:0 0 .25rem;font-size:1.5rem}h2{margin:2rem 0 .75rem;font-size:1.05rem}h3{margin:0 0 .35rem;font-size:.95rem}a{color:var(--accent)}.sub{color:var(--muted);margin:0 0 1.5rem}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:.75rem;padding:1rem 1.15rem}.row{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.grow{flex:1;min-width:0}.corner-actions{flex:none;align-items:center;gap:.35rem;display:flex}.muted{color:var(--muted);font-size:.86rem}.pair{font-size:.86rem}.reveal{border-bottom:1px dotted var(--muted);cursor:help}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem}label{color:var(--muted);margin:.75rem 0 .25rem;font-size:.86rem;display:block}input[type=text],input[type=email],input[type=password],select{border:1px solid var(--line);background:var(--bg);width:100%;color:var(--ink);font:inherit;border-radius:6px;padding:.5rem .6rem}button{font:inherit;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:6px;padding:.5rem .9rem}button.secondary{color:var(--ink);border-color:var(--line);background:0 0}button.icon{width:32px;height:32px;color:var(--muted);border-color:var(--line);background:0 0;justify-content:center;align-items:center;padding:0;display:inline-flex}button.icon:hover{color:var(--ink);border-color:var(--muted)}button.icon.danger,button.icon.danger:hover{color:var(--danger)}button.icon.danger:hover{border-color:var(--danger)}button.danger{color:var(--danger);border-color:var(--line);background:0 0}button:disabled{opacity:.55;cursor:default}.actions{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:1rem;display:flex}.notice{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:var(--radius);margin-bottom:1rem;padding:.9rem 1rem;font-size:.9rem}.notice p{margin:0 0 .5rem}.notice p:last-child{margin-bottom:0}.error{color:var(--danger);font-size:.88rem}.support{color:var(--muted);margin:.2rem 0 0;font-size:.86rem}.pill{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:.1rem .45rem;font-size:.75rem;display:inline-block}.pill.bad{color:var(--danger);border-color:var(--danger)}nav.top{border-bottom:1px solid var(--line);background:var(--panel)}nav.top div{align-items:center;gap:1rem;max-width:900px;margin:0 auto;padding:.75rem 1.25rem;display:flex}nav.top a{font-size:.9rem;text-decoration:none}nav.top .spacer{flex:1}.brand{color:var(--ink);letter-spacing:-.012em;align-items:center;gap:.5rem;font-weight:600;display:inline-flex}.brand .mark{color:var(--accent);flex:none}.wordmark-accent{color:var(--accent)}nav.top a.brand-link{margin-right:.5rem;font-size:1rem}.brand-title{margin:0 0 .35rem}.brand-title .brand{font-size:1.5rem}ul.plain{margin:0;padding:0;list-style:none}ul.plain li{border-bottom:1px solid var(--line);padding:.4rem 0}ul.plain li:last-child{border-bottom:none}fieldset{border:1px solid var(--line);border-radius:var(--radius);margin:0 0 .75rem;padding:.75rem 1rem}legend{color:var(--muted);padding:0 .35rem;font-size:.86rem}.checkline{align-items:center;gap:.5rem;margin:.35rem 0;font-size:.9rem;display:flex}.checkline input{width:auto}