.c2s-login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:#12263f;font-family:ui-sans-serif,-apple-system,Segoe UI,Roboto,sans-serif}.c2s-login-card{width:100%;max-width:22rem;background:#fff;border-radius:10px;padding:2rem 1.75rem;box-shadow:0 20px 50px rgba(0,0,0,.35);display:flex;flex-direction:column}.c2s-login-eyebrow{margin:0;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:#64748b}.c2s-login-title{margin:.35rem 0 0;font-size:1.6rem;font-weight:700;color:#0f172a;letter-spacing:-.02em}.c2s-login-sub{margin:.25rem 0 1.5rem;font-size:.82rem;color:#64748b}.c2s-login-label{font-size:.75rem;font-weight:600;color:#334155;margin-bottom:.3rem}.c2s-login-input{border:1px solid #cbd5e1;border-radius:6px;padding:.55rem .7rem;font-size:.95rem;margin-bottom:1rem;color:#0f172a;background:#fff}.c2s-login-input:focus{outline:2px solid #2563eb;outline-offset:1px;border-color:#2563eb}.c2s-login-error{margin:0 0 .9rem;padding:.5rem .7rem;border-radius:6px;background:#fef2f2;color:#b91c1c;font-size:.82rem;border:1px solid #fecaca}.c2s-login-btn{background:#12263f;color:#fff;border:none;border-radius:6px;padding:.65rem 1rem;font-size:.95rem;font-weight:600;cursor:pointer}.c2s-login-btn:hover:not(:disabled){background:#1b3557}.c2s-login-btn:disabled{opacity:.6;cursor:default}.c2s-login-foot{margin:1.25rem 0 0;font-size:.68rem;color:#94a3b8;text-align:center}