.auth{background:radial-gradient(circle at 12% 6%,#968aff21,#0000 42%),radial-gradient(circle at 92% 88%,#7eacff1f,#0000 40%),linear-gradient(158deg,#fcfcff 0%,#f7f7fd 46%,#eff1fa 100%);align-items:center;min-height:100vh;padding:56px;display:flex;position:relative}.auth .auth-brand{border-radius:10px;align-items:center;gap:11px;margin:0 0 14px;display:inline-flex}.auth .auth-brand .mark{width:27px;height:27px;color:var(--brand);flex:none}.auth .auth-brand .name{letter-spacing:-.01em;color:var(--ink);font-size:19px;font-weight:800}.auth .auth-brand:focus-visible{outline:2px solid var(--brand);outline-offset:3px}.auth .auth-shell{grid-template-columns:minmax(0,1fr) minmax(320px,404px);align-items:center;gap:44px;width:min(1120px,100%);margin:0 auto;display:grid}.auth .auth-intro{grid-template-columns:minmax(0,1fr) minmax(0,.62fr);align-items:center;gap:14px;min-width:0;display:grid}.auth .intro-copy{min-width:0;padding-left:8px}.auth .intro-copy h1{letter-spacing:-.035em;color:var(--ink);text-wrap:balance;margin:0 0 14px;font-size:clamp(26px,2.4vw,38px);font-weight:880;line-height:1.26}.auth .intro-copy .lead{color:var(--muted);margin:0 0 21px;font-size:14px;line-height:1.65}.auth .feats{flex-direction:column;gap:13px;margin:0;padding:0;list-style:none;display:flex}.auth .feat{align-items:center;gap:14px;display:flex}.auth .feat-ic{width:44px;height:44px;color:var(--brand);background:#fff;border-radius:14px;flex:none;place-items:center;display:grid;box-shadow:0 1px 2px #14141b0d,0 10px 24px -16px #3a3c8c99}.auth .feat h3{letter-spacing:-.01em;color:var(--ink);margin:0;font-size:15px;font-weight:700}.auth .intro-art{place-items:end center;min-width:0;margin:0;display:grid;position:relative}.auth .intro-art img{object-fit:contain;filter:drop-shadow(0 30px 40px #4840a029);width:100%;max-width:400px;height:auto;max-height:52vh;transform:translate(-30px)}.auth .sso{background:#fff;border-radius:28px;flex-direction:column;justify-content:center;padding:34px 40px;display:flex;box-shadow:0 2px 6px #2022540a,0 40px 80px -44px #292c706b}.auth .sso h2{text-align:center;color:var(--ink);letter-spacing:-.025em;margin:0 0 12px;font-size:29px;font-weight:800}.auth .sso .sub{text-align:center;color:var(--muted);margin:0 0 30px;font-size:14.5px}.auth .sso-btn{letter-spacing:-.01em;cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:12px;width:100%;height:62px;font-family:inherit;font-size:16px;font-weight:750;transition:background .15s,border-color .15s,transform 60ms,box-shadow .15s;display:flex}.auth .sso-btn+.sso-btn{margin-top:14px}.auth .sso-btn svg{flex:none}.auth .sso-btn:not(:disabled):active{transform:translateY(1px)}.auth .sso-btn:disabled{opacity:.6;cursor:progress}.auth .sso-btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}.auth .sso-btn.ssafy{color:#fff;background:linear-gradient(135deg,#5850f4,#393df0);box-shadow:0 10px 22px #4642e533}.auth .sso-btn.ssafy:not(:disabled):hover{background:linear-gradient(135deg,#4a43e8,#3035dd)}.auth .sso-btn.google{border:1px solid var(--rule);color:var(--ink);background:#fff}.auth .sso-btn.google:not(:disabled):hover{background:#fbfbff;border-color:#bfc4da}.auth .sso-status{text-align:center;min-height:20px;margin:18px 0 0;font-size:13px;line-height:1.6}.auth .sso-status .err{color:var(--danger)}@media (prefers-reduced-motion:reduce){.auth .sso-btn{transition:none}}@media (width<=1180px){.auth .auth-intro{grid-template-columns:minmax(0,1fr)}.auth .intro-art{display:none}}@media (width<=900px){.auth{align-items:flex-start;padding:44px 28px 40px}.auth .auth-shell{grid-template-columns:minmax(0,1fr);gap:40px}.auth .intro-copy{padding-left:0}.auth .intro-copy .lead{margin-bottom:30px}.auth .sso{min-height:0;padding:36px 32px}}@media (width<=520px){.auth{padding:34px 20px 32px}.auth .auth-brand{margin-bottom:18px}.auth .intro-copy h1{font-size:27px}.auth .feats{gap:15px}.auth .feat-ic{border-radius:13px;width:44px;height:44px}.auth .sso{border-radius:22px;padding:36px 22px}.auth .sso h2{font-size:25px}.auth .sso .sub{margin-bottom:30px}.auth .sso-btn{height:58px;font-size:15px}}.auth .sso-btn.ssafy:disabled{background:var(--surface-2);border:1px solid var(--rule);color:var(--faint);box-shadow:none;opacity:1;cursor:not-allowed}.auth .sso-note{text-align:center;color:var(--faint);margin:9px 0 0;font-size:12px}.auth .dev-signin{border-top:1px dashed var(--rule);flex-direction:column;gap:9px;margin-top:20px;padding-top:16px;display:flex}.auth .dev-signin-label{text-align:center;color:var(--faint);font-size:11px}.auth .dev-signin-row{grid-template-columns:1fr 1fr;gap:8px;display:grid}.auth .dev-signin-row button{border:1px solid var(--rule);background:var(--surface-2);height:38px;color:var(--muted);cursor:pointer;border-radius:10px;font-family:inherit;font-size:12.5px;font-weight:600;transition:background .15s,color .15s}.auth .dev-signin-row button:hover{color:var(--ink);background:#fff}.auth .dev-signin-row button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}:root{--brand:#5457e8;--brand-ink:#4144c9;--brand-soft:#ece9fd;--brand-softer:#f4f3fe;--ground:#f5f6fa;--surface:#fff;--surface-2:#f0f2f7;--ink:#14141b;--body:#3b3f4a;--muted:#6b7280;--faint:#9ca3af;--rule:#e5e7ef;--gold:#f4c23d;--danger:#e04343;--up:#d64545;--down:#1c6dd0;--topbar-h:52px;--rail-w:172px;--rail-mini-w:56px;--sans:"Pretendard Variable","Pretendard","IBM Plex Sans KR",system-ui,-apple-system,"Malgun Gothic",sans-serif;--mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;--shadow:0 1px 2px #14141b0a,0 10px 28px -22px #14141b47}*{box-sizing:border-box}html,body{height:100%}body{background:var(--ground);color:var(--body);font:14px/1.6 var(--sans);-webkit-font-smoothing:antialiased;margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0}.num{font-family:var(--mono);font-variant-numeric:tabular-nums}:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.topbar{height:var(--topbar-h);z-index:30;padding:0 16px 0 calc(var(--rail-mini-w) + 16px);background:var(--surface);border-bottom:1px solid var(--rule);align-items:center;gap:14px;transition:padding-left .18s;display:flex;position:fixed;inset:0 0 auto}.search{flex:1;max-width:660px;position:relative}.search svg{color:var(--faint);position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search input{border:1px solid var(--rule);background:var(--surface);width:100%;height:34px;color:var(--ink);border-radius:999px;padding:0 14px 0 38px}.search input::placeholder{color:var(--faint)}.search input:focus{border-color:var(--brand);outline:none}.modeswitch{background:var(--surface-2);border-radius:10px;flex:none;gap:3px;padding:3px;display:flex}.modeswitch a{color:var(--muted);white-space:nowrap;text-align:center;border-radius:7px;flex:1;padding:6px 4px;font-size:12.5px;font-weight:700;transition:background .15s,color .15s}.modeswitch a:hover{color:var(--ink)}.modeswitch a.on{background:var(--brand);color:#fff}.topbar-right{flex:none;align-items:center;gap:8px;margin-left:auto;display:flex}.topbar-auth{align-items:center;gap:7px;display:flex}.topbar-auth a{border:1px solid var(--rule);white-space:nowrap;border-radius:9px;place-items:center;height:34px;padding:0 14px;font-size:12px;font-weight:750;display:grid}.topbar-login{color:var(--body);background:#fff}.topbar-signup{background:var(--brand);color:#fff;border-color:var(--brand)!important}.topbar-auth a:hover{color:var(--brand-ink);border-color:#c8c9f5}.topbar-signup:hover{background:var(--brand-ink);color:#fff!important}.wallet{border:1px solid var(--rule);height:34px;color:var(--ink);border-radius:999px;align-items:center;gap:7px;padding:0 13px;font-weight:700;display:flex}.wallet i{background:var(--gold);border-radius:2px;width:12px;height:18px;display:block}.iconbtn{width:32px;height:32px;color:var(--muted);border-radius:9px;place-items:center;display:grid;position:relative}.iconbtn:hover{background:var(--surface-2);color:var(--ink)}.badge{background:var(--danger);color:#fff;text-align:center;border-radius:999px;min-width:16px;height:16px;padding:0 4px;font-size:10px;font-weight:700;line-height:16px;position:absolute;top:-2px;right:-2px}.rail{width:var(--rail-mini-w);z-index:40;background:var(--surface);border-right:1px solid var(--rule);flex-direction:column;gap:14px;padding:12px 8px;transition:width 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