:root{--navy:#062a57;--navy-2:#0b4779;--blue:#0b5e96;--blue-dark:#074a78;--sky:#86cfe7;--ice:#eaf8fc;--ink:#10263f;--muted:#60758a;--line:rgba(82,126,157,.26);--surface:#fff;--bg:#eaf4f8;--danger:#b42332;--success:#087a69;--glass:rgba(255,255,255,.68);--glass-border:rgba(255,255,255,.74);--glass-shadow:0 26px 80px rgba(6,42,87,.16)}
    *{box-sizing:border-box}
    html{font-size:16px}
    body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:Pretendard,"Noto Sans KR","Malgun Gothic",Arial,sans-serif;word-break:keep-all;-webkit-font-smoothing:antialiased}
    button,input{font:inherit}
    button{touch-action:manipulation}
    .page{min-height:100vh;display:grid;grid-template-columns:minmax(360px,44%) 1fr}
    .intro{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:48px clamp(38px,5vw,78px);color:#fff;background:linear-gradient(145deg,#101c38 0%,#173b79 57%,#246bfd 120%)}
    .intro:before,.intro:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12)}
    .intro:before{width:520px;height:520px;right:-260px;top:-190px}
    .intro:after{width:340px;height:340px;left:-170px;bottom:-120px}
    .brand{position:relative;z-index:1;display:flex;align-items:center;gap:13px;font-size:17px;font-weight:800;letter-spacing:-.02em}
    .logo{width:74px;height:74px;display:grid;place-items:center;flex:0 0 auto;border-radius:16px;overflow:hidden}
    .logo img{display:block;width:100%;height:100%;padding:5px;object-fit:contain;object-position:center;border-radius:16px;background:rgba(255,255,255,.88)}
    .intro-copy{position:relative;z-index:1;margin:auto 0;max-width:470px;padding:80px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;margin:0 0 18px;font-size:13px;font-weight:700;color:#bed4ff}
    .eyebrow:before{content:"";width:20px;height:2px;background:#78a7ff}
    .intro h1{margin:0;font-size:clamp(34px,3.25vw,52px);line-height:1.25;letter-spacing:-.055em}
    .intro-copy>p{margin:22px 0 0;color:#d7e3fb;font-size:15px;line-height:1.8}
    .benefits{display:grid;gap:13px;margin:34px 0 0;padding:0;list-style:none;color:#edf4ff;font-size:14px}
    .benefits li{display:flex;align-items:center;gap:10px}
    .check{width:22px;height:22px;display:grid;place-items:center;flex:0 0 auto;border-radius:50%;background:rgba(255,255,255,.13);font-size:12px}
    .intro-foot{position:relative;z-index:1;font-size:11px;color:#9fb8e2}
    .auth{display:grid;place-items:center;padding:44px 28px}
    .auth-inner{width:min(100%,470px)}
    .mobile-brand{display:none;align-items:center;gap:11px;margin-bottom:30px;color:var(--navy);font-weight:800}
    .mobile-brand .logo{width:154px;height:58px}
    .heading{margin-bottom:28px}
    .heading h2{margin:0 0 9px;font-size:29px;letter-spacing:-.045em}
    .heading p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
    .pane{display:none;animation:fade .18s ease-out}
    .pane.on{display:block}
    @keyframes fade{from{opacity:.35;transform:translateY(3px)}to{opacity:1;transform:none}}
    .pane-title{display:none}
    .field{margin-top:18px}
    label{display:block;margin:0 0 8px;font-size:13px;font-weight:700;color:#344054}
    .required{color:var(--blue);margin-left:2px}
    input{display:block;width:100%;height:50px;border:1px solid #cfd6e1;border-radius:9px;background:#fff;padding:0 14px;color:var(--ink);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}
    input::placeholder{color:#a5adba}
    input:hover{border-color:#98a2b3}
    input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,107,253,.13)}
    .helper{margin:7px 0 0;color:#788395;font-size:11px;line-height:1.5}
    .primary{width:100%;height:52px;margin-top:26px;border:0;border-radius:9px;background:var(--blue);color:#fff;font-size:15px;font-weight:800;cursor:pointer;box-shadow:0 8px 18px rgba(36,107,253,.18);transition:background .15s,transform .08s}
    .primary:hover{background:var(--blue-dark)}
    .primary:active{transform:translateY(1px)}
    .primary:disabled{opacity:.62;cursor:wait}
    .account-tools{display:flex;align-items:center;justify-content:center;gap:0;margin-top:17px}
    .switch{border:0;background:transparent;color:#596579;font-size:12px;cursor:pointer;padding:5px 11px}
    .switch:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
    .account-tools .switch+.switch{border-left:1px solid #d8dee8}
    .join{margin-top:28px;padding-top:24px;border-top:1px solid #e4e9f0;text-align:center}
    .join p{margin:0 0 13px;color:#667085;font-size:12px}
    .secondary{width:100%;height:48px;border:1px solid #bfc8d6;border-radius:9px;background:#fff;color:#344054;font-size:14px;font-weight:700;cursor:pointer}
    .secondary:hover{border-color:#8491a5;background:#f8fafc}
    .back{display:flex;justify-content:center;margin-top:22px}
    .back .switch{display:inline-flex;align-items:center;gap:6px;color:#586579;font-weight:700}
    .back .switch:before{content:"←";font-size:14px}
    .msg{display:none;margin-top:14px;border-radius:8px;padding:11px 13px;font-size:12px;line-height:1.55}
    .msg.err{display:block;background:#fff1f2;color:var(--danger);border:1px solid #ffd8dc}
    .msg.ok{display:block;background:#ecfdf5;color:var(--success);border:1px solid #c7f0de}
    .security{display:flex;align-items:flex-start;gap:9px;margin-top:30px;padding-top:20px;border-top:1px solid #e8ecf2;color:#7a8494;font-size:11px;line-height:1.6}
    .security svg{width:17px;height:17px;flex:0 0 auto;margin-top:1px;color:#667085}
    .copyright{margin-top:25px;color:#98a2b3;font-size:10px;text-align:center}
    @media(max-width:860px){
      .page{display:block}.intro{display:none}.auth{min-height:100vh;padding:32px 20px 46px}.auth-inner{width:min(100%,440px)}.mobile-brand{display:flex}.heading h2{font-size:26px}
    }
    @media(max-width:430px){
      .auth{place-items:start center;padding-top:25px}.mobile-brand{margin-bottom:38px}.heading{margin-bottom:24px}.heading h2{font-size:24px}.field{margin-top:16px}input{height:48px}.primary{height:50px}
    }
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.pane,.primary,input{animation:none!important;transition:none!important}}
    /* KDS 중앙 글래스 로그인 */
    body{position:relative;background:radial-gradient(circle at 12% 16%,rgba(134,207,231,.56) 0,transparent 34%),radial-gradient(circle at 88% 82%,rgba(11,94,150,.19) 0,transparent 33%),linear-gradient(145deg,#f7fcfe 0%,var(--bg) 51%,#e2f0f6 100%);transition:background .2s,color .2s}
    body:before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(6,42,87,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(6,42,87,.028) 1px,transparent 1px);background-size:36px 36px;pointer-events:none;mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),transparent 88%)}
    body:after{content:"";position:fixed;width:420px;height:420px;left:50%;top:47%;border:1px solid rgba(255,255,255,.56);border-radius:50%;box-shadow:0 0 0 78px rgba(255,255,255,.08),0 0 0 156px rgba(255,255,255,.05);transform:translate(-50%,-50%);pointer-events:none}
    body.dark{color-scheme:dark;--ink:#edf7ff;--muted:#a8bed1;--line:rgba(146,186,215,.2);--surface:#10243a;--bg:#081729;--glass:rgba(13,31,51,.76);--glass-border:rgba(167,209,232,.14);--glass-shadow:0 28px 90px rgba(0,0,0,.42);background:radial-gradient(circle at 12% 16%,rgba(18,89,130,.48) 0,transparent 35%),radial-gradient(circle at 88% 82%,rgba(70,160,195,.16) 0,transparent 34%),linear-gradient(145deg,#071321,#0b1d31 56%,#06111e)}
    body.dark:before{background-image:linear-gradient(rgba(205,235,247,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(205,235,247,.025) 1px,transparent 1px)}
    body.dark:after{border-color:rgba(134,207,231,.08);box-shadow:0 0 0 78px rgba(42,121,154,.025),0 0 0 156px rgba(42,121,154,.018)}
    .page{position:relative;z-index:1;display:block;min-height:100vh}
    .intro{display:none!important}
    .auth{min-height:100vh;padding:68px 24px 44px;background:transparent}
    .auth-inner{position:relative;width:min(100%,448px);padding:37px 40px 29px;border:1px solid var(--glass-border);border-radius:24px;background:linear-gradient(145deg,rgba(255,255,255,.78),var(--glass));box-shadow:var(--glass-shadow);backdrop-filter:blur(26px) saturate(145%);-webkit-backdrop-filter:blur(26px) saturate(145%)}
    .auth-inner:before{content:"";position:absolute;left:42px;right:42px;top:0;height:2px;border-radius:0 0 2px 2px;background:linear-gradient(90deg,transparent,var(--sky),transparent);opacity:.9}
    .brand-lockup{display:grid;justify-items:center;margin:0 0 24px}
    .mobile-brand{display:flex;flex-direction:column;justify-content:center;gap:6px;margin:0 0 10px;color:var(--navy);font-size:12px;font-weight:800;letter-spacing:-.01em;text-align:center}
    .mobile-brand .logo{width:104px;height:104px;overflow:hidden}
    .mobile-brand .logo img{width:100%;height:100%;max-width:100%;object-fit:contain;transform:none}
    .mobile-brand>span:last-child{padding:0;border:0;line-height:1.4}
    .official-label{display:inline-flex;align-items:center;gap:7px;padding:5px 9px;border:1px solid rgba(11,94,150,.16);border-radius:999px;background:rgba(232,248,252,.7);color:#075482;font-size:8.5px;font-weight:800;letter-spacing:.12em}
    .official-label:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 3px rgba(134,207,231,.18)}
    .heading{text-align:center;margin-bottom:27px}.heading h2{font-size:27px;margin:0}.heading p{display:none}
    input{border-color:var(--line);background:rgba(255,255,255,.74);box-shadow:inset 0 1px 0 rgba(255,255,255,.75)}
    input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(77,177,213,.18),0 8px 22px rgba(6,71,121,.08)}
    .primary{border-radius:10px;background:linear-gradient(135deg,var(--navy-2),var(--blue));box-shadow:0 10px 24px rgba(6,71,121,.24),inset 0 1px 0 rgba(255,255,255,.2)}
    .primary:hover{background:linear-gradient(135deg,#052f60,#0872aa)}
    .secondary{background:rgba(255,255,255,.52);border-color:var(--line)}
    .security{display:flex;margin-top:26px;padding:15px 14px;border:1px solid rgba(11,94,150,.12);border-radius:11px;background:rgba(232,248,252,.46);color:var(--muted)}
    .security svg{color:var(--blue)}
    .company-footer{display:grid;gap:4px;margin-top:17px;padding-top:17px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:10.5px;line-height:1.55}
    .company-footer strong{color:var(--navy);font-size:11.5px}
    .company-footer a{color:#315d79;text-decoration:none}
    .company-footer a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
    .company-links{display:flex;justify-content:center;gap:5px;margin-top:7px}
    .company-links a{padding:5px 8px;border:1px solid rgba(11,94,150,.14);border-radius:8px;background:rgba(255,255,255,.42);font-weight:700}
    .copyright{margin-top:15px;color:#8496a6;font-size:9.5px}
    .login-utils{position:fixed;z-index:5;right:22px;top:20px;display:flex;gap:7px}
    .login-util{height:36px;min-width:40px;padding:0 10px;border:1px solid var(--glass-border);border-radius:10px;background:var(--glass);color:#315d79;font-size:12px;font-weight:800;cursor:pointer;box-shadow:0 8px 22px rgba(6,42,87,.07);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
    .login-util:hover{background:rgba(255,255,255,.92)}
    body.dark .auth-inner{background:linear-gradient(145deg,rgba(18,43,68,.86),var(--glass))}
    body.dark .mobile-brand,body.dark .company-footer strong{color:#eaf8ff}
    body.dark .official-label{color:#bdeaff;border-color:rgba(134,207,231,.18);background:rgba(36,107,135,.22)}
    body.dark input{color:#edf7ff;background:rgba(7,20,34,.58);border-color:var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.03)}
    body.dark input::placeholder{color:#7f96aa}
    body.dark label{color:#d8e8f4}
    body.dark .secondary{color:#dcecf7;background:rgba(7,20,34,.34);border-color:var(--line)}
    body.dark .join{border-color:var(--line)}
    body.dark .security{border-color:rgba(134,207,231,.14);background:rgba(35,95,121,.16)}
    body.dark .company-footer{border-color:var(--line)}
    body.dark .company-footer a{color:#b8d8e9}
    body.dark .company-links a{border-color:rgba(134,207,231,.14);background:rgba(19,55,78,.42)}
    body.dark .login-util{color:#e4f1f8;background:var(--glass);border-color:var(--glass-border)}
    body.dark .login-util:hover{background:rgba(27,62,91,.92)}
    :focus-visible{outline:3px solid rgba(77,177,213,.45);outline-offset:2px}
    @supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.auth-inner,.login-util{background:var(--surface)}}
    @media(max-width:500px){.auth{padding:68px 14px 30px}.auth-inner{padding:31px 22px 25px;border-radius:20px}.auth-inner:before{left:24px;right:24px}.login-utils{right:13px;top:13px}.mobile-brand{font-size:11.5px}.mobile-brand .logo{width:92px;height:92px}.mobile-brand .logo img{width:100%;height:100%;transform:none}.company-footer>span:first-of-type{padding-inline:8px}}