:root{--brand-primary:#7a3b2e;--brand-primary-light:#a0594a;--brand-primary-dark:#5a2a1f;--brand-accent:#f5ebe0;--text-primary:#1a1a1a;--text-secondary:#6b7280;--text-muted:#9ca3af;--border-color:#e5e7eb;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:24px;--radius-pill:999px}*{box-sizing:border-box}body{margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.pf-login-page{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:40px 24px;overflow:hidden;background:linear-gradient(135deg,rgba(122,59,46,.9),rgba(90,42,31,.95))}.pf-login-card{width:100%;max-width:400px;background:#fff;border-radius:var(--radius-xl);padding:40px 28px;box-shadow:0 20px 60px rgba(0,0,0,.3)}.pf-login-logo{font-size:14px;letter-spacing:4px;color:var(--brand-primary);margin-bottom:24px}.pf-login-logo,.pf-login-title{text-align:center;font-weight:700}.pf-login-title{font-size:22px;margin:0 0 8px;color:var(--text-primary)}.pf-login-subtitle{text-align:center;color:var(--text-secondary);font-size:14px;margin-bottom:24px}.pf-form{gap:16px}.pf-form,.pf-input-group{display:flex;flex-direction:column}.pf-input-group{gap:6px}.pf-input-label{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--text-secondary)}.pf-input-field{width:100%;padding:12px 16px;border:1px solid #d1d5db;border-radius:var(--radius-md);font-size:14px;font-family:inherit;outline:none;transition:border-color .2s,box-shadow .2s}.pf-input-field:focus{border-color:var(--brand-primary);box-shadow:0 0 0 3px rgba(122,59,46,.1)}.pf-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}.pf-btn:disabled{opacity:.7;cursor:not-allowed}.pf-btn-primary{width:100%;padding:14px;background:var(--brand-primary);color:#fff;font-size:15px;border-radius:var(--radius-lg)}.pf-btn-primary:hover:not(:disabled){background:var(--brand-primary-dark)}.pf-btn-google{width:100%;padding:12px 16px;background:#fff;border:1px solid var(--border-color);color:#374151;box-shadow:0 1px 3px rgba(0,0,0,.1)}.pf-btn-google:hover:not(:disabled){background:#f9fafb}.pf-btn-line{width:100%;padding:12px 16px;background:#06c755;color:#fff;box-shadow:0 1px 3px rgba(0,0,0,.1)}.pf-btn-line:hover:not(:disabled){background:#05b34d}.pf-btn-outline{width:100%;padding:12px 16px;background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);font-weight:500}.pf-btn-outline:hover:not(:disabled){background:#f9fafb}.pf-divider{display:flex;align-items:center;gap:16px;color:var(--text-muted);font-size:12px;margin:8px 0}.pf-divider:after,.pf-divider:before{content:"";flex:1 1;height:1px;background:var(--border-color)}.pf-error{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#fef2f2;border:1px solid #fecaca;margin-bottom:16px;color:#dc2626}.pf-error,.pf-message{border-radius:var(--radius-md);font-size:13px}.pf-message{padding:10px 14px;margin-bottom:12px}.pf-message-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626}.pf-message-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#16a34a}.pf-link{color:var(--brand-primary);font-weight:600;text-decoration:none}.pf-link:hover{text-decoration:underline}.pf-footer-text{text-align:center;font-size:12px;color:var(--text-muted);margin-top:16px;line-height:1.5}.pf-lang-toggle{position:absolute;top:20px;right:20px;display:flex;align-items:center;gap:6px;padding:6px 14px;background:hsla(0,0%,100%,.2);border:1px solid hsla(0,0%,100%,.3);border-radius:var(--radius-pill);color:#fff;font-size:13px;font-weight:600;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .2s}.pf-lang-toggle:hover{background:hsla(0,0%,100%,.3)}.pf-spinner{animation:spin 1s linear infinite}