.login-container{background:linear-gradient(#0009,#000000e6),url(/login_bg.png) 50%/cover no-repeat;flex-direction:column;min-height:100vh;padding:40px 24px;display:flex;position:relative;overflow:hidden}.back-btn{color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;background:#ffffff1a;border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:all .2s;display:flex}.back-btn:hover{background:#fff3;transform:translate(-4px)}.login-content{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;animation:.8s ease-out fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.login-logo{letter-spacing:-2px;margin-bottom:12px;font-size:2.8rem;font-weight:900}.login-logo span{color:var(--primary)}.login-slogan{color:#ddd;margin-bottom:60px;font-size:1.05rem;line-height:1.6}.login-social-group{flex-direction:column;gap:12px;width:100%;max-width:320px;display:flex}.social-btn{cursor:pointer;border:none;border-radius:16px;justify-content:center;align-items:center;gap:12px;width:100%;padding:16px;font-size:1rem;font-weight:700;transition:all .2s;display:flex}.social-btn .social-icon{font-size:1.2rem}.social-btn.kakao{color:#191919;background-color:#fee500}.social-btn.apple{color:#000;background-color:#fff}.social-btn.google{color:#fff;background-color:#ffffff1a;border:1px solid #fff3}.social-btn:hover{filter:brightness(.9);transform:scale(1.02)}.login-divider{justify-content:center;align-items:center;width:100%;max-width:320px;margin:30px 0;display:flex;position:relative}.login-divider:before,.login-divider:after{content:"";background-color:#ffffff1a;flex:1;height:1px}.login-divider span{color:#ffffff4d;padding:0 16px;font-size:.85rem}.email-login-btn{color:var(--text-sub);cursor:pointer;background:0 0;border:none;font-size:.9rem;text-decoration:underline}.login-footer{color:#fff6;margin-top:40px;font-size:.85rem}.login-footer span{color:var(--primary);cursor:pointer;margin-left:8px;font-weight:700}