.auth-shell{--brand-50:#eef4ff;--brand-100:#d9e6ff;--brand-300:#8eb4ff;--brand-500:#1c6eeb;--brand-600:#1556c4;--brand-700:#134aa6;--brand-800:#143e87;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--success-50:#ecfdf5;--success-500:#10b981;--success-600:#059669;min-height:100vh;background:var(--gray-50);display:flex;align-items:center;justify-content:center;padding:24px 16px;position:relative;overflow:hidden;font-family:Inter,-apple-system,sans-serif;color:var(--gray-900);-webkit-font-smoothing:antialiased}.auth-shell:before{content:"";position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:800px;height:600px;background:radial-gradient(ellipse,rgba(28,110,235,.08),transparent 60%);z-index:0;pointer-events:none}.auth-card{position:relative;z-index:1;width:100%;max-width:440px;background:white;border:1px solid var(--gray-200);border-radius:18px;padding:36px 32px;box-shadow:0 24px 48px -12px rgba(15,23,42,.12)}.auth-shell .auth-back{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--gray-500);text-decoration:none;margin-bottom:18px;transition:color .15s ease}.auth-shell .auth-back:hover{color:var(--brand-600)}.auth-shell .auth-back svg{width:16px;height:16px}.auth-shell .auth-logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:28px;text-decoration:none;color:inherit}.auth-shell .auth-logo-img{height:36px;width:auto;display:block;margin:0 auto 28px;object-fit:contain}.auth-shell .auth-logo-mark{width:36px;height:36px;background:linear-gradient(135deg,var(--brand-500),var(--brand-700));border-radius:10px;display:grid;place-items:center;color:white;font-weight:800;font-size:16px}.auth-shell .auth-logo-text{font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--gray-900)}.auth-shell .auth-logo-sub{display:block;font-size:11px;color:var(--gray-500);font-weight:500;letter-spacing:.02em}.auth-shell h1{font-size:22px;font-weight:700;letter-spacing:-.02em;color:var(--gray-900);text-align:center;margin:0 0 6px}.auth-shell .auth-sub{text-align:center;font-size:14px;color:var(--gray-600);margin:0 0 28px}.auth-shell form{display:flex;flex-direction:column;gap:14px}.auth-shell .field{display:flex;flex-direction:column;gap:6px}.auth-shell .field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.auth-shell label{font-size:12.5px;font-weight:600;color:var(--gray-700);letter-spacing:-.005em}.auth-shell .label-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.auth-shell .label-row a{font-size:12px;font-weight:600;color:var(--brand-600);text-decoration:none}.auth-shell .label-row a:hover{text-decoration:underline}.auth-shell input[type=email],.auth-shell input[type=password],.auth-shell input[type=tel],.auth-shell input[type=text]{width:100%;padding:11px 14px;border:1px solid var(--gray-200);border-radius:10px;font-size:14px;font-family:inherit;background:white;color:var(--gray-900);transition:all .15s ease}.auth-shell input::placeholder{color:var(--gray-400)}.auth-shell input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-50)}.auth-shell .checkbox-row{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--gray-600);user-select:none}.auth-shell .checkbox-row input[type=checkbox]{width:16px;height:16px;accent-color:var(--brand-500);cursor:pointer}.auth-shell .auth-error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;font-size:13px;padding:10px 14px;border-radius:10px;font-weight:500}.auth-shell .auth-success{background:var(--success-50);border:1px solid #a7f3d0;color:var(--success-600);font-size:13px;padding:10px 14px;border-radius:10px;font-weight:600}.auth-shell .auth-info{background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-700);font-size:13px;padding:10px 14px;border-radius:10px}.auth-shell .btn-primary{margin-top:6px;background:var(--brand-500);color:white;border:1px solid transparent;padding:12px 18px;font-size:14.5px;font-weight:600;border-radius:10px;cursor:pointer;transition:all .15s ease;font-family:inherit;box-shadow:0 4px 14px rgba(28,110,235,.3)}.auth-shell .btn-primary:hover:not(:disabled){background:var(--brand-600);transform:translateY(-1px);box-shadow:0 6px 18px rgba(28,110,235,.35)}.auth-shell .btn-primary:disabled{opacity:.6;cursor:not-allowed}.auth-shell .btn-secondary{background:white;color:var(--gray-700);border:1px solid var(--gray-200);padding:11px 18px;font-size:14px;font-weight:600;border-radius:10px;cursor:pointer;transition:all .15s ease;font-family:inherit}.auth-shell .btn-secondary:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-300)}.auth-shell .auth-foot{margin-top:24px;padding-top:20px;border-top:1px solid var(--gray-100);text-align:center;font-size:13px;color:var(--gray-600)}.auth-shell .auth-foot a{color:var(--brand-600);font-weight:600;text-decoration:none}.auth-shell .auth-foot a:hover{text-decoration:underline}.auth-shell .verify-meta{text-align:center;font-size:12px;color:var(--gray-500);margin-top:4px}.auth-shell .verify-resend{background:none;border:none;color:var(--brand-600);font-size:13px;font-weight:600;cursor:pointer;padding:0;margin-top:8px;text-decoration:underline}.auth-shell .verify-resend:disabled{color:var(--gray-400);cursor:not-allowed;text-decoration:none}@media (max-width:480px){.auth-card{padding:28px 22px;border-radius:16px}.auth-shell h1{font-size:20px}.auth-shell .field-row{grid-template-columns:1fr}}