:root{--bg: #f6f5f1;--card: #ffffff;--ink: #1d2320;--muted: #5d6762;--line: #d9dcd6;--accent: #2f6b4f;--accent-ink: #ffffff;--danger: #a3312b;--danger-bg: #fbeceb;--info-bg: #eaf3ee;color-scheme:light dark}@media (prefers-color-scheme: dark){:root{--bg: #131715;--card: #1c211f;--ink: #eef1ee;--muted: #a2aba6;--line: #323936;--accent: #5fae8a;--accent-ink: #0d1411;--danger: #f0928c;--danger-bg: #3a1f1d;--info-bg: #1d2e26}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}.shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px 16px}.brand{margin:0;font-weight:700;letter-spacing:.02em}.card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px 24px}h1{margin:0 0 8px;font-size:1.5rem;line-height:1.2}.muted{color:var(--muted)}.foot{margin:0;font-size:.875rem}.hint{margin:-4px 0 12px;font-size:.875rem}form{display:grid;gap:14px;margin-top:8px}label{display:grid;gap:6px;font-size:.9375rem;font-weight:600}input{font:inherit;padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}input:focus-visible,.button:focus-visible,.link:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.button{display:inline-flex;justify-content:center;align-items:center;width:100%;font:inherit;font-weight:600;padding:11px 14px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;text-decoration:none}.button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.button.ghost{background:transparent}.button:disabled{opacity:.6;cursor:default}.google{margin-top:16px}.divider{display:flex;align-items:center;gap:12px;margin:16px 0 0;color:var(--muted);font-size:.875rem}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}.links{display:grid;gap:8px;margin:18px 0 0;font-size:.9375rem}.link{background:none;border:0;padding:0;font:inherit;color:var(--accent);text-align:left;text-decoration:underline;cursor:pointer}a{color:var(--accent)}.row{display:grid;gap:10px;margin-top:16px}.notice{margin:0;padding:10px 12px;border-radius:8px;font-size:.9375rem}.notice.error{background:var(--danger-bg);color:var(--danger)}.notice.info{background:var(--info-bg)}