.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0f4ff,#e8f0fe);padding:40px 16px}.auth-box{background:#fff;border-radius:16px;box-shadow:0 4px 32px #0000001a;padding:40px 40px 32px;width:100%;max-width:440px}.auth-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--primary, #1a3a6b);font-weight:700;font-size:16px;margin-bottom:28px}.auth-tabs{display:flex;border-bottom:2px solid #e2e8f0;margin-bottom:24px}.auth-tab{flex:1;padding:10px;border:none;background:none;font-size:15px;font-weight:600;color:#94a3b8;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}.auth-tab.active{color:var(--accent, #1a5fd8);border-bottom-color:var(--accent, #1a5fd8)}.auth-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:16px}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-form .form-group{display:flex;flex-direction:column;gap:6px}.auth-form label{font-size:13px;font-weight:600;color:#374151}.auth-form .required{color:#ef4444}.auth-form input{padding:10px 14px;border:1.5px solid #e2e8f0;border-radius:8px;font-size:14px;color:#1e293b;transition:border-color .2s;outline:none}.auth-form input:focus{border-color:var(--accent, #1a5fd8)}.btn-full{width:100%;justify-content:center}.sns-divider{display:flex;align-items:center;gap:12px;font-size:12px;color:#94a3b8;margin:4px 0}.sns-divider:before,.sns-divider:after{content:"";flex:1;height:1px;background:#e2e8f0}.sns-buttons{display:flex;flex-direction:column;gap:8px}.sns-btn{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:8px;border:1.5px solid #e2e8f0;font-size:14px;font-weight:600;cursor:pointer;background:#fff;transition:all .2s}.sns-btn:hover{transform:translateY(-1px);box-shadow:0 2px 8px #00000014}.sns-kakao{border-color:#fee500;background:#fee500;color:#191919}.sns-naver{border-color:#03c75a;background:#03c75a;color:#fff}.sns-google{border-color:#e2e8f0;color:#374151}.sns-icon{width:20px;text-align:center;font-weight:900}.auth-switch{font-size:13px;color:#64748b;text-align:center;margin:0}.link-btn{background:none;border:none;color:var(--accent, #1a5fd8);font-weight:600;cursor:pointer;text-decoration:underline;font-size:inherit}.auth-terms{font-size:11px;color:#94a3b8;text-align:center;margin-top:20px}.auth-terms a{color:#64748b}.member-guard{position:relative}.member-guard-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffffd9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:inherit;z-index:10;gap:12px}.member-guard-icon{font-size:36px}.member-guard-text{font-size:15px;font-weight:600;color:#1e293b}.member-guard-sub{font-size:13px;color:#64748b}@media (max-width: 480px){.auth-box{padding:28px 20px 24px}}