:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f6f7f9;--panel:#fff;--text:#2b2f36;--muted:#7a828d;--line:#dfe3e8;--accent:#2f6fdb;--danger:#c0392b}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#171a1f;--panel:#1f2329;--text:#e6e8ea;--muted:#9aa2ad;--line:#333941;--accent:#5b91ea}}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;color:var(--text);margin:0;font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Meiryo,sans-serif}.center{place-items:center;min-height:100vh;padding:24px;display:grid}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;width:100%;max-width:380px;padding:28px 26px}.brand{letter-spacing:.02em;margin:0 0 4px;font-size:1.05rem;font-weight:600}.sub{color:var(--muted);margin:0 0 22px;font-size:.78rem}label{color:var(--muted);margin-bottom:5px;font-size:.78rem;display:block}.field{margin-bottom:14px}input{width:100%;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:9px 11px;font-family:inherit;font-size:.92rem}input:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:#0000}button{color:#fff;background:var(--accent);cursor:pointer;border:0;border-radius:6px;width:100%;padding:10px;font-family:inherit;font-size:.9rem;font-weight:600}button:disabled{opacity:.55;cursor:default}button.ghost{width:auto;color:var(--muted);border:1px solid var(--line);background:0 0;padding:7px 16px;font-weight:500}.error{color:var(--danger);background:color-mix(in srgb, var(--danger) 10%, transparent);border-radius:6px;margin:0 0 14px;padding:8px 10px;font-size:.78rem}.done{text-align:center}.done h1{margin:0 0 10px;font-size:1.3rem}.done p{color:var(--muted);margin:0 0 22px;font-size:.82rem}