:root{--paper:#f5f2ea;--card:#fffefa;--ink:#1c2924;--muted:#68736e;--sage:#315f50;--sage-dark:#21483b;--line:#d8d8cf;--red:#a43d31}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--paper);color:var(--ink);font-family:Inter,Segoe UI,Arial,sans-serif}.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(340px,1.15fr) minmax(390px,.85fr);align-items:center;gap:8vw;padding:clamp(35px,7vw,100px)}.auth-intro{max-width:720px}.brand-mark{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--sage-dark);color:white;font-weight:800;margin-bottom:40px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--sage);margin:0 0 12px}.auth-intro h1{font:500 clamp(48px,7vw,86px)/.98 Georgia,serif;letter-spacing:-.045em;margin:0 0 28px}.auth-intro>p:last-child{font:19px/1.55 Georgia,serif;color:var(--muted);max-width:620px}.auth-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:clamp(28px,5vw,52px);box-shadow:0 24px 80px rgba(28,41,36,.12);max-width:520px;width:100%}.auth-card h2{font:500 36px Georgia,serif;margin:0 0 10px}.subtitle,.local-note,.help,.notice{color:var(--muted);font-size:13px;line-height:1.55}.notice:empty{display:none}label{display:block;color:var(--muted);font-size:12px;font-weight:800;margin:20px 0 7px}input{width:100%;padding:14px;border:1px solid #c9c8c0;border-radius:8px;background:white;color:var(--ink);font:16px Inter,Segoe UI,sans-serif}input:focus{outline:3px solid rgba(86,180,233,.28);border-color:#56b4e9}button{width:100%;margin-top:12px;padding:15px;border:1px solid var(--sage-dark);border-radius:8px;background:var(--sage-dark);color:white;font-weight:800;cursor:pointer}button:disabled{opacity:.65;cursor:wait}.error{min-height:20px;color:var(--red);font-size:13px}.local-note{border-top:1px solid var(--line);margin:28px 0 0;padding-top:20px}@media(max-width:850px){.auth-shell{grid-template-columns:1fr;padding:28px}.auth-intro>p:last-child{display:none}.auth-intro h1{font-size:42px}.brand-mark{margin-bottom:22px}.auth-card{max-width:none}}