.auth-backdrop{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:#10234d66;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:auth-fade .18s ease-out}.auth-dialog{position:relative;width:min(100%,400px);max-height:min(92vh,760px);overflow-y:auto;padding:30px 28px 24px;border:1px solid #e6ebf3;border-radius:20px;background:#fff;box-shadow:0 28px 80px #10234d2b;animation:auth-rise .22s ease-out;scrollbar-width:none}.auth-dialog::-webkit-scrollbar{display:none}.auth-close{position:absolute;top:15px;right:15px;display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:50%;background:#f4f7fc;color:#708096;cursor:pointer}.auth-close:hover{background:#e9eef7;color:#4a5a72}.auth-head{margin:4px 0 0;text-align:left}.auth-kicker{display:block;color:#3978f4;font-size:10px;font-weight:900;letter-spacing:.14em}.auth-head h2{margin:8px 0 0;color:#142445;font-size:24px;font-weight:900;letter-spacing:-.05em;line-height:1.25}.auth-social-label{margin:34px 0 12px;color:#8b98aa;font-size:11px;font-weight:700;letter-spacing:.01em}.social-stack{display:flex;flex-direction:column;gap:9px}.social-button{position:relative;display:flex;align-items:center;justify-content:center;width:100%;min-height:48px;padding:0 46px;border:1px solid transparent;border-radius:12px;background:#fff;color:#142445;font-size:14px;font-weight:700;cursor:pointer;transition:filter .15s ease,background-color .15s ease,border-color .15s ease}.social-button:hover{filter:brightness(.97)}.social-icon{position:absolute;left:16px;display:grid;place-items:center}.social-text{text-align:center}.social-button.naver{background:#03c75a;color:#fff}.social-button.naver .social-icon{color:#fff}.social-button.kakao{background:#fee500;color:#191600}.social-button.kakao .social-icon{color:#191600}.social-button.google{border-color:#dbe1ea;background:#fff;color:#1f2d43}.social-button.apple{background:#000;color:#fff}.social-button.apple .social-icon{color:#fff}.auth-email-section{margin-top:16px;border-top:1px solid #eef1f6;padding-top:14px}.auth-email-toggle{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:8px 0;border:0;background:transparent;color:#53647c;font-size:12px;font-weight:700;cursor:pointer}.auth-email-toggle:hover{color:#3978f4}.auth-chevron{transition:transform .18s ease}.auth-chevron.open{transform:rotate(180deg)}.auth-email-panel{margin-top:8px;animation:auth-fade .16s ease-out}.auth-form{display:grid;gap:11px}.auth-form label{display:grid;gap:6px;color:#53647c;font-size:11px;font-weight:800}.auth-form input{width:100%;padding:12px 13px;border:1px solid #d8e2ef;border-radius:10px;outline:0;background:#f7faff;color:#142445;font-size:13px}.auth-form input:focus{border-color:#3978f4;box-shadow:0 0 0 4px #eaf1ff}.password-field{position:relative}.password-field input{padding-right:42px}.password-field button{position:absolute;top:4px;right:4px;display:grid;place-items:center;width:36px;height:36px;border:0;border-radius:8px;background:transparent;color:#74839a;cursor:pointer}.auth-submit{display:flex;align-items:center;justify-content:center;width:100%;margin-top:5px;padding:13px;gap:7px;border:0;border-radius:10px;background:#3978f4;color:#fff;font-size:13px;font-weight:850;cursor:pointer;box-shadow:0 8px 20px #3978f42b}.auth-submit:hover{background:#2f6ae6}.auth-foot{margin-top:20px;padding-top:16px;border-top:1px solid #eef1f6;text-align:center}.auth-switch{margin:0;color:#8b98aa;font-size:12px}.auth-switch button{color:#3978f4;font:inherit;font-weight:850}.auth-help-link,.auth-switch button{padding:0;border:0;background:transparent;cursor:pointer}.auth-help-link{margin-top:8px;color:#9aa7b9;font-size:11px;text-decoration:underline;text-underline-offset:2px}.auth-help-link:hover{color:#6f7c90}@media (max-width:650px){.auth-backdrop{padding:12px}.auth-dialog{padding:26px 18px 20px;border-radius:18px}.auth-head h2{font-size:22px}.social-button{min-height:46px;font-size:13px}}@keyframes auth-fade{0%{opacity:0}to{opacity:1}}@keyframes auth-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.auth-error{margin:0;padding:9px 12px;border-radius:10px;background:#fdeeee;color:#df5252;font-size:12px;line-height:1.5}.auth-note{margin:10px 0 0;color:#8b98aa;font-size:11px;line-height:1.6;text-align:center}.auth-form label.auth-agree{display:flex;align-items:flex-start;gap:8px;color:#6f7c90;font-size:11px;font-weight:500;line-height:1.6;cursor:pointer}.auth-form label.auth-agree input{width:16px;height:16px;margin-top:2px;padding:0;flex-shrink:0;accent-color:#3978f4}.auth-agree a{color:#142445;font-weight:800;text-decoration:underline}.auth-submit:disabled,.social-button:disabled{opacity:.6;cursor:default}