:root{color-scheme:dark;--fg:#e8e8e8;--muted:#8a8a8a;--bg:#0b0b0c;--accent:#4fd1c5;--error:#f87171}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);font:16px/1.6 ui-sans-serif,system-ui,sans-serif;margin:0;padding:3rem 1.25rem}main{max-width:34rem;margin-inline:auto}h1{font-size:1.6rem;font-weight:600;margin:0 0 .5rem;letter-spacing:-.01em}.sub{margin:0 0 2rem}.muted{color:var(--muted);font-size:.9rem}.mono{font-family:ui-monospace,monospace}.notice{border:1px solid #8883;border-radius:6px;padding:.85rem 1rem}.error{color:var(--error)}form{display:flex;flex-direction:column;gap:.6rem;margin:2rem 0}label{font-size:.85rem;color:var(--muted)}input{background:#141416;border:1px solid #2a2a2e;border-radius:6px;color:var(--fg);padding:.7rem .8rem;font-size:1rem}input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}button{background:var(--accent);color:#05201d;border:0;border-radius:6px;padding:.7rem 1rem;font-size:1rem;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}a{color:var(--accent)}footer{margin-top:3rem;border-top:1px solid #8882;padding-top:1rem}