:root{
  --bg:#0d121b;
  --panel:#141b27;
  --panel2:#192231;
  --line:#2a3547;
  --text:#f5f7fb;
  --muted:#98a5b8;
  --gold:#d7b45a;
  --gold2:#f0d68a;
  --green:#45c78b;
  --red:#ef6f79;
  --blue:#6fa8ff;
  --shadow:0 12px 30px rgba(0,0,0,.18);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Arial,"Noto Sans KR",sans-serif}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-shell{display:flex;min-height:100vh}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:250px;background:#0a0f17;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:30;transition:.25s}
.brand{height:84px;display:flex;align-items:center;gap:12px;padding:0 22px;border-bottom:1px solid var(--line)}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#16120a;display:grid;place-items:center;font-weight:900;font-size:22px}
.brand strong{display:block;letter-spacing:1.5px}
.brand span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.nav{padding:16px 12px;display:flex;flex-direction:column;gap:5px;overflow:auto}
.nav-item{border:0;background:transparent;color:var(--muted);padding:12px 14px;border-radius:12px;text-align:left;display:flex;gap:12px;align-items:center}
.nav-item span{width:20px;text-align:center}
.nav-item:hover,.nav-item.active{background:rgba(215,180,90,.12);color:var(--gold2)}
.sidebar-footer{margin-top:auto;padding:14px}
.admin-card{display:flex;gap:10px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:#17130b;font-weight:800}
.admin-card strong,.admin-card span{display:block}
.admin-card span{color:var(--muted);font-size:12px;margin-top:2px}
.main{margin-left:250px;min-width:0;flex:1}
.topbar{height:84px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;background:rgba(13,18,27,.92);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.topbar h1{font-size:22px;margin:0 0 5px}
.topbar p{margin:0;color:var(--muted);font-size:13px}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn,.primary-btn,.secondary-btn,.danger-btn{border:1px solid var(--line);border-radius:11px;padding:10px 14px;background:var(--panel);color:var(--text)}
.primary-btn{background:var(--gold);color:#151108;border-color:var(--gold);font-weight:700}
.secondary-btn:hover,.icon-btn:hover{border-color:var(--gold)}
.danger-btn{background:rgba(239,111,121,.12);color:#ff9ca5}
.icon-btn{position:relative}
.icon-btn i{position:absolute;right:8px;top:7px;width:7px;height:7px;border-radius:50%;background:var(--red)}
.mobile-menu{display:none}
.content{padding:26px}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:10px}
.card-header h2{margin:0;font-size:16px}
.card-header p{margin:5px 0 0;color:var(--muted);font-size:12px}
.metric{position:relative;overflow:hidden}
.metric:after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-32px;top:-28px;background:rgba(215,180,90,.08)}
.metric-label{color:var(--muted);font-size:13px}
.metric-value{font-size:27px;font-weight:800;margin:12px 0 8px}
.metric-change{font-size:12px;color:var(--green)}
.metric-change.down{color:var(--red)}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:700px}
th,td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}
th{color:var(--muted);font-weight:600;background:#111824}
tbody tr:hover{background:rgba(255,255,255,.02)}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:11px;background:rgba(69,199,139,.12);color:#7ee5b3}
.badge.gold{background:rgba(215,180,90,.13);color:var(--gold2)}
.badge.red{background:rgba(239,111,121,.12);color:#ff9ca5}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.form-control{background:#0e1520;color:var(--text);border:1px solid var(--line);border-radius:11px;padding:10px 12px;min-width:150px;outline:none}
.form-control:focus{border-color:var(--gold)}
.search{flex:1;min-width:220px}
.progress{height:9px;background:#0c121b;border-radius:999px;overflow:hidden}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));border-radius:999px}
.bonus-list{display:grid;gap:10px}
.bonus-row{display:grid;grid-template-columns:1.5fr .8fr .7fr;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding:12px 0}
.bonus-row:last-child{border-bottom:0}
.bonus-row strong{font-size:14px}
.bonus-row small{display:block;color:var(--muted);margin-top:4px}
.amount{text-align:right;font-weight:700}
.tree-area{min-height:480px;background:#0c121b;border:1px dashed var(--line);border-radius:16px;padding:22px;overflow:auto}
.tree{display:flex;flex-direction:column;align-items:center;gap:28px;min-width:720px}
.tree-level{display:flex;justify-content:center;gap:22px;position:relative}
.node{width:135px;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--panel2);text-align:center;position:relative}
.node.primary{border-color:var(--gold);box-shadow:0 0 0 3px rgba(215,180,90,.08)}
.node strong{display:block;font-size:13px}
.node small{display:block;color:var(--muted);margin-top:5px}
.line-tag{display:inline-block;margin-top:7px;padding:4px 7px;border-radius:999px;background:rgba(111,168,255,.12);color:#9fc3ff;font-size:10px}
.sim-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:13px}
.form-group label{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}
.form-group input,.form-group select{width:100%}
.result-box{padding:14px;border-radius:14px;background:#0d141f;border:1px solid var(--line);margin-bottom:10px}
.result-box .row{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px}
.result-box .row:last-child{margin-bottom:0}
.result-box .row span:first-child{color:var(--muted)}
.total-box{border-color:var(--gold);background:rgba(215,180,90,.07)}
.chart-bars{display:flex;height:230px;align-items:flex-end;gap:14px;padding-top:20px}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:9px}
.bar{width:100%;max-width:44px;border-radius:8px 8px 3px 3px;background:linear-gradient(180deg,var(--gold2),var(--gold));min-height:8px}
.bar-item label{font-size:11px;color:var(--muted)}
.settings-list{display:grid;gap:12px}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}
.setting-row:last-child{border-bottom:0}
.setting-row h3{font-size:14px;margin:0 0 5px}
.setting-row p{font-size:12px;color:var(--muted);margin:0}
.switch{width:48px;height:26px;border-radius:999px;background:#344053;position:relative;border:0}
.switch:after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:white;left:3px;top:3px;transition:.2s}
.switch.on{background:var(--gold)}
.switch.on:after{left:25px}
.notice{padding:13px 15px;border:1px solid rgba(215,180,90,.25);background:rgba(215,180,90,.07);color:var(--gold2);border-radius:12px;font-size:13px;margin-bottom:16px}
.overlay{display:none}
@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){
 .sidebar{transform:translateX(-100%);width:260px}
 .sidebar.open{transform:translateX(0)}
 .main{margin-left:0}
 .mobile-menu{display:block;margin-right:12px}
 .topbar{padding:0 14px}
 .top-actions .primary-btn{display:none}
 .content{padding:14px}
 .grid-4,.grid-3,.grid-2,.sim-grid{grid-template-columns:1fr}
 .bonus-row{grid-template-columns:1fr auto}
 .bonus-row .progress{grid-column:1/-1}
 .overlay.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:25}
}