.auth-root{--paper:#fffbeb;--ink:#1c1917;--ink-soft:#57534e;--brown:#7c2d12;--brown-hi:#8a3517;--brown-press:#64230e;--line:#e7dcc9;--err:#b91c1c;--s1:4px;--s2:8px;--s3:16px;--s4:40px;--s5:96px;--grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.04'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");min-height:100svh;background-color:var(--paper);background-image:var(--grain);color:var(--ink);font-family:var(--font-pretendard),"Apple SD Gothic Neo",sans-serif;font-size:18px;line-height:1.7;letter-spacing:-.01em;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}.auth-root *{box-sizing:border-box}.auth-root h1,.auth-root p{margin:0}.auth-serif{font-family:var(--font-noto-serif),"Nanum Myeongjo",serif;letter-spacing:0}.auth-wrap{max-width:430px;margin:0 auto;padding:0 24px}.auth-mast{position:relative;padding-top:var(--s4)}.auth-ribbon{position:absolute;top:0;right:24px;width:12px;height:64px;background:linear-gradient(180deg,var(--brown-hi),var(--brown));clip-path:polygon(0 0,100% 0,100% 100%,50% calc(100% - 9px),0 100%);box-shadow:0 4px 8px rgba(68,35,16,.22)}.auth-lockup{display:inline-flex;align-items:center;gap:8px;color:var(--brown);font-size:15px;font-weight:700;letter-spacing:.12em;text-decoration:none}.auth-view{display:block;animation:auth-vin .2s ease-out}@keyframes auth-vin{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.auth-head{margin-top:var(--s5)}.auth-head h1{font-size:clamp(29px,8vw,34px);font-weight:600;line-height:1.45;text-wrap:balance}.auth-lead{margin-top:var(--s3)!important;color:var(--ink-soft);font-size:17px;line-height:1.75}.auth-form{margin-top:var(--s4)}.auth-field{margin-bottom:var(--s3)}.auth-field label{display:block;margin-bottom:var(--s2);font-size:16px;font-weight:700}.auth-field input{width:100%;min-height:56px;padding:0 16px;border:1px solid #d9cbaf;border-radius:14px;background:#fffdf6;box-shadow:inset 0 1px 3px rgba(68,35,16,.06);color:var(--ink);font:inherit;font-size:18px}.auth-field input::-moz-placeholder{color:#a8a29e}.auth-field input::placeholder{color:#a8a29e}.auth-field input:focus-visible{outline:3px solid var(--ink);outline-offset:2px}.auth-field.bad input{border:2px solid var(--err)}.auth-help{margin-top:var(--s1)!important;color:var(--ink-soft);font-size:15px}.auth-error{display:flex;align-items:flex-start;gap:6px;margin-top:var(--s2)!important;color:var(--err);font-size:15px;font-weight:600;line-height:1.6}.auth-error svg{flex:none;margin-top:3px}.auth-keep{display:flex;min-height:60px;align-items:center;gap:12px;cursor:pointer;font-size:16px;-webkit-tap-highlight-color:transparent}.auth-keep input{position:absolute;width:1px;height:1px;opacity:0}.auth-checkbox{display:grid;width:26px;height:26px;flex:none;place-items:center;border:2px solid #b9a88c;border-radius:6px;background:#fffdf6;transition:background .15s,border-color .15s}.auth-checkbox svg{opacity:0}.auth-keep input:checked+.auth-checkbox{border-color:var(--brown);background:var(--brown)}.auth-keep input:checked+.auth-checkbox svg{opacity:1}.auth-keep input:focus-visible+.auth-checkbox{outline:3px solid var(--ink);outline-offset:2px}.auth-keep-sub{display:block;color:var(--ink-soft);font-size:14px;font-weight:400}.auth-button{display:flex;width:100%;min-height:60px;align-items:center;justify-content:center;gap:10px;margin-top:var(--s2);border:0;border-radius:14px;background:linear-gradient(180deg,var(--brown-hi),var(--brown));box-shadow:inset 0 1px 0 hsla(0,0%,100%,.14),0 2px 6px rgba(124,45,18,.28);color:#fff;cursor:pointer;font:inherit;font-size:19px;font-weight:700;letter-spacing:-.01em;line-height:1.2;touch-action:manipulation;transition:background .15s ease-out,transform .15s ease-out;-webkit-tap-highlight-color:transparent}.auth-button:active{background:var(--brown-press);transform:translateY(1px)}.auth-button:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.auth-button:disabled{cursor:wait}.auth-swap{margin-top:var(--s4)!important;color:var(--ink-soft);font-size:16px;text-align:center}.auth-swap a{display:inline-flex;min-height:48px;align-items:center;padding:0 var(--s2);color:var(--brown);font-weight:700;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px}.auth-swap a:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.auth-trust{display:flex;align-items:flex-start;justify-content:center;gap:8px;margin-top:var(--s4)!important;color:var(--ink-soft);font-size:15px;line-height:1.6;text-align:center}.auth-trust svg{flex:none;margin-top:4px}.auth-foot{margin-top:var(--s5);padding:var(--s4) 0;border-top:1px solid var(--line);text-align:center}.auth-foot p{color:var(--ink-soft);font-size:14px}@media (prefers-reduced-motion:reduce){.auth-view{animation:none}.auth-button,.auth-checkbox{transition:none}}