:root{color-scheme:light;--bg:#edf1ee;--surface:#fff;--ink:#16211c;--muted:#63736b;--line:#dce4df;--brand:#0f7665;--danger:#d92d20}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:Pretendard,"Apple SD Gothic Neo","Malgun Gothic","Segoe UI",system-ui,sans-serif}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 18px 50px rgba(18,32,26,.12);padding:30px}.eyebrow{margin:0 0 6px;color:var(--brand);font-weight:800}.login-card h1{margin:0 0 24px;font-size:30px;line-height:1.2}.login-card form{display:grid;gap:16px}.login-card label{display:grid;gap:7px;font-weight:800;color:#23342d}.login-card input{height:46px;border:1px solid #bfd0c8;border-radius:8px;padding:0 13px;font:inherit;background:#fff}.login-card input:focus{outline:2px solid rgba(15,118,101,.18);border-color:var(--brand)}.login-error{margin:0;border:1px solid #fecaca;border-radius:8px;background:#fff1f2;color:var(--danger);padding:10px 12px;font-weight:800}.login-card button{height:48px;border:0;border-radius:8px;background:var(--brand);color:#fff;font:inherit;font-weight:900;cursor:pointer}.login-card button:disabled{opacity:.6;cursor:not-allowed}