:root{--ink:#172033;--muted:#687386;--line:#e5e9f0;--bg:#f4f6f9;--nav:#101c33;--blue:#2463eb;--cyan:#1eb5c7;--green:#0b9f6e;--red:#d84747}*{box-sizing:border-box}body,html{margin:0;min-height:100%;font-family:Inter,Pretendard,Noto Sans KR,Arial,sans-serif;color:var(--ink);background:var(--bg)}button,input,select{font:inherit}button{cursor:pointer}.login-shell{min-height:100vh;display:grid;place-items:center;padding:32px;background:radial-gradient(circle at 20% 20%,#1c446c 0,transparent 35%),linear-gradient(135deg,#0e1930,#172a46 60%,#123a46)}.login-card{width:min(480px,100%);padding:44px;background:#fff;border-radius:28px;box-shadow:0 24px 80px #00142a66}.brand{display:flex;align-items:center;gap:12px}.brand>span{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:24px;font-weight:900}.brand div{display:flex;flex-direction:column}.brand b{font-size:18px}.brand small{color:var(--muted)}.eyebrow{margin-top:36px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.14em}.login-card h1{font-size:38px;line-height:1.18;margin:10px 0 14px}.login-card>p{color:var(--muted);line-height:1.7}.login-card form{display:grid;grid-gap:15px;gap:15px;margin-top:28px}.login-card label{display:grid;grid-gap:7px;gap:7px;font-size:13px;font-weight:700}.login-card input{padding:14px;border:1px solid var(--line);border-radius:12px;outline:none}.login-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #2463eb18}.primary{border:0;border-radius:12px;background:var(--blue);color:#fff;padding:14px 18px;font-weight:800}.primary.small{padding:10px 14px}.demo-link{display:block;text-align:center;margin-top:22px;color:var(--blue);font-weight:700;text-decoration:none}.app-shell{min-height:100vh;display:grid;grid-template-columns:248px 1fr}aside{position:-webkit-sticky;position:sticky;top:0;height:100vh;padding:28px 18px;background:var(--nav);color:#fff;display:flex;flex-direction:column}.brand.inverse small{color:#8fa4c2}.brand.inverse{padding:0 10px}nav{display:grid;grid-gap:7px;gap:7px;margin-top:42px}.aside-foot button,nav button{display:flex;align-items:center;gap:11px;width:100%;padding:12px;border:0;border-radius:11px;background:transparent;color:#9fb0c9;text-align:left}nav button.active,nav button:hover{background:#ffffff12;color:#fff}.aside-foot{margin-top:auto;padding:16px 10px 0;border-top:1px solid #ffffff18;display:grid;grid-gap:5px;gap:5px}.aside-foot small{color:#6faeff}.aside-foot b{font-size:12px;overflow:hidden;text-overflow:ellipsis}.aside-foot button{margin-top:9px;padding-left:0}.content{padding:34px clamp(20px,4vw,58px);min-width:0}.content>header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px}.content header .eyebrow{margin:0}.content h1{margin:5px 0 0;font-size:30px}.header-actions{display:flex;gap:10px}.header-actions select,.icon-btn{border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 13px}.icon-btn{display:flex;gap:7px;align-items:center}.hero{padding:28px 32px;border-radius:20px;color:#fff;background:linear-gradient(120deg,#163966,#245c94 60%,#177f87);box-shadow:0 15px 35px #16396622}.hero>div{font-size:13px}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#5ff1b7;box-shadow:0 0 0 5px #5ff1b72a;margin-right:8px}.hero h2{font-size:26px;margin:26px 0 5px}.hero p{margin:0;color:#c8dced}.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));grid-gap:14px;gap:14px;margin:20px 0}.kpi{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 4px 16px #17203308}.kpi small{display:block;color:var(--muted);font-weight:700}.kpi strong{display:block;margin-top:15px;font-size:25px}.kpi i{font-size:13px;font-style:normal;margin-left:3px}.panel{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 6px 24px #17203308}.panel-title{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--line)}.panel-title h3{margin:0 0 5px}.panel-title p{margin:0;color:var(--muted);font-size:13px}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:12px;background:#fafbfc}td small,th{color:var(--muted)}td small{display:block;margin-top:4px}td button{border:1px solid var(--line);border-radius:8px;background:#fff;padding:7px 10px}.actions{display:flex;gap:6px}.badge{display:inline-block;padding:5px 8px;border-radius:999px;background:#eef2f8;color:#445066;font-size:11px;font-weight:800}.badge.ok{background:#e2f7ef;color:#087a55}.badge.off{background:#fdeaea;color:#b13737}.disclaimer{margin:16px;padding:14px 18px;border-radius:10px;background:#eef6ff;color:#31567f;font-size:13px}.notice{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;padding:13px 16px;border-radius:11px;background:#e8f4ff;color:#24568a}.notice.error{background:#fff0f0;color:#a53131}.notice button{border:0;background:transparent;color:inherit}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media(max-width:1000px){.kpi-grid{grid-template-columns:repeat(2,1fr)}.app-shell{grid-template-columns:78px 1fr}aside .brand div,aside nav button:not(.active){font-size:0}.brand.inverse{padding:0}.brand.inverse>span{width:42px}nav button{justify-content:center}.aside-foot{display:none}}@media(max-width:720px){.app-shell{display:block}aside{position:fixed;z-index:10;bottom:0;top:auto;width:100%;height:68px;padding:8px}.aside-foot,aside .brand{display:none}nav{margin:0;display:flex;justify-content:space-around}nav button,nav button:not(.active){width:auto;display:grid;justify-items:center;grid-gap:3px;gap:3px;padding:7px;font-size:10px}.content{padding:22px 14px 90px}.content>header{display:grid;grid-gap:15px;gap:15px}.header-actions{flex-wrap:wrap}.hero{padding:24px}.hero h2{font-size:21px}.kpi-grid{grid-template-columns:1fr 1fr}.kpi{padding:15px}.kpi strong{font-size:19px}.panel{overflow-x:auto}.panel-title{min-width:680px}table{min-width:780px}.login-card{padding:30px}.login-card h1{font-size:30px}}