:root{--color-bg:#f6f8fb;--color-bg-secondary:#eef3f8;--color-bg-subtle:#e4ecf5;--color-card:#fff;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-subtle:#dbeafe;--color-text:#172033;--color-text-secondary:#667085;--color-text-tertiary:#98a2b3;--color-border:#dde5ee;--color-border-strong:#c7d3e1;--sidebar-bg:#fff;--sidebar-bg-hover:#f1f5f9;--sidebar-bg-active:#eaf1ff;--sidebar-text:#667085;--sidebar-text-active:#1d4ed8;--sidebar-border:#e2e8f0;--sidebar-accent:#2563eb;--bg:var(--color-bg);--s1:var(--color-card);--s2:var(--color-bg-secondary);--s3:var(--color-bg-subtle);--b1:var(--color-border);--b2:var(--color-border-strong);--accent:var(--color-primary);--accent2:var(--color-primary-hover);--text:var(--color-text);--text2:var(--color-text-secondary);--text3:var(--color-text-tertiary);--green:#16a34a;--yellow:#d97706;--red:#dc2626;--orange:#ea580c;--cyan:#0284c7;--purple:#7c3aed;--mono:"Cascadia Code","Consolas","D2Coding",monospace;--r:8px;--rl:12px;--shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--shadow-md:0 4px 12px rgba(0,0,0,.08),0 2px 4px rgba(0,0,0,.04)}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%}body{font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Malgun Gothic,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:15px;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:2px}select option{background:var(--color-card);color:var(--color-text)}.login-scene{position:absolute;inset:0;overflow:hidden;background:radial-gradient(circle at 18% 18%,rgba(37,99,235,.16),transparent 28%),radial-gradient(circle at 82% 12%,rgba(14,165,233,.14),transparent 24%),linear-gradient(135deg,#f8fbff,#eef5ff 48%,#f7faff)}.login-scene:before{content:"";position:absolute;inset:-12%;background-image:linear-gradient(rgba(37,99,235,.08) 1px,transparent 0),linear-gradient(90deg,rgba(37,99,235,.08) 1px,transparent 0);background-size:72px 72px;transform:perspective(900px) rotateX(62deg) translateY(-12%);transform-origin:top;animation:gridDrift 18s linear infinite}.login-map{position:absolute;inset:7% 5%;width:90%;height:86%;filter:drop-shadow(0 14px 28px rgba(37,99,235,.08))}.login-map-flow,.login-map-line,.login-map-orbit{fill:none;stroke-linecap:round}.login-map-orbit{stroke:rgba(15,23,42,.22);stroke-width:1.7}.login-map-line{stroke:rgba(37,99,235,.16);stroke-width:1.8}.login-map-flow{stroke:url(#flowGradient);stroke-width:3.4;stroke-dasharray:76 680;animation:dataFlow 7.8s linear infinite}.login-infra-node{position:absolute;display:flex;flex-direction:column;align-items:center;gap:5px;min-width:86px;padding:12px 14px 10px;border:1px solid hsla(0,0%,100%,.86);border-radius:18px;background:hsla(0,0%,100%,.52);color:rgba(29,78,216,.82);box-shadow:0 18px 60px rgba(37,99,235,.1);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transform:translate(-50%,-50%) perspective(900px) rotateX(12deg) rotateY(-10deg);animation:infraFloat 8s ease-in-out infinite}.login-infra-node span{font-size:11px;font-weight:700;letter-spacing:.04em;color:rgba(71,85,105,.68)}@keyframes gridDrift{0%{background-position:0 0,0 0}to{background-position:72px 72px,72px 72px}}@keyframes dataFlow{0%{stroke-dashoffset:756;opacity:.28}50%{opacity:.95}to{stroke-dashoffset:0;opacity:.28}}@keyframes infraFloat{0%,to{transform:translate(-50%,-50%) perspective(900px) rotateX(12deg) rotateY(-10deg) translateZ(0)}50%{transform:translate(-50%,-50%) perspective(900px) rotateX(12deg) rotateY(-10deg) translate3d(10px,-14px,22px)}}@media (prefers-reduced-motion:reduce){.login-infra-node,.login-map-flow,.login-scene:before{animation:none}}