:root{
  --bg:#0b1220;
  --card:#0f1b2d;
  --muted:#9bb0c0;
  --text:#eaf2f7;
  --accent:#2aa1b1;
  --accent2:#0a5a71;
  --danger:#ff4d4d;
  --border:rgba(255,255,255,0.10);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:linear-gradient(180deg, #08101d, #0b1220 40%, #070d17);
  color:var(--text);
}
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 14px;
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  background:rgba(8,16,29,0.85);
  backdrop-filter: blur(8px);
  z-index:5;
}
.brand{display:flex; gap:10px; align-items:center;}
.brand-icon{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);}
.brand-title{font-weight:700}
.brand-sub{font-size:12px;color:var(--muted)}
.tabs{
  display:flex;
  gap:6px;
  padding:10px 10px 0 10px;
  overflow:auto;
  border-bottom:1px solid var(--border);
}
.tab{
  background:transparent;
  color:var(--muted);
  border:1px solid var(--border);
  border-bottom:none;
  padding:10px 12px;
  border-top-left-radius:12px;
  border-top-right-radius:12px;
  cursor:pointer;
  white-space:nowrap;
}
.tab.active{
  color:var(--text);
  background:rgba(42,161,177,0.12);
  border-color:rgba(42,161,177,0.35);
}
.container{max-width:980px;margin:0 auto;padding:12px}
.panel{display:none}
.panel.active{display:block}
.card{
  background:rgba(15,27,45,0.9);
  border:1px solid var(--border);
  border-radius:16px;
  padding:14px;
  margin:12px 0;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}
.grid2{display:grid; grid-template-columns:1fr; gap:14px;}
.grid4{display:grid; grid-template-columns:1fr 1fr; gap:10px;}
@media (min-width: 860px){
  .grid2{grid-template-columns:1fr 1fr;}
  .grid4{grid-template-columns:repeat(4,1fr);}
}
.row{display:flex; gap:10px; align-items:center; margin:8px 0;}
.row-wrap{flex-wrap:wrap}
.label{min-width:160px; color:var(--muted); font-size:13px;}
.input{
  flex:1;
  padding:10px 10px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(8,16,29,0.7);
  color:var(--text);
}
.input.small{max-width:120px}
.btn{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(42,161,177,0.45);
  background:rgba(42,161,177,0.18);
  color:var(--text);
  cursor:pointer;
}
.btn:hover{background:rgba(42,161,177,0.26)}
.btn-secondary{
  border-color:rgba(255,255,255,0.18);
  background:rgba(255,255,255,0.08);
}
.btn-secondary:hover{background:rgba(255,255,255,0.12)}
.btn-ghost{
  border-color:rgba(255,255,255,0.18);
  background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,0.06)}
.btn.danger, .danger{
  border-color:rgba(255,77,77,0.5);
  color:#ffe6e6;
}
.pill{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(8,16,29,0.65);
  color:var(--text);
  font-weight:600;
}
.h2{font-size:18px;font-weight:800;margin-bottom:10px}
.h3{font-size:14px;font-weight:800;margin-top:12px;color:var(--muted)}
.muted{color:var(--muted); font-size:12px}
.metric{border:1px solid var(--border); border-radius:14px; padding:10px; background:rgba(8,16,29,0.35)}
.metric-label{color:var(--muted); font-size:12px}
.metric-value{font-size:20px;font-weight:900;margin-top:4px}
.metric-sub{color:var(--muted);font-size:12px;margin-top:2px}
.list{display:flex; flex-direction:column; gap:10px}
.item{
  border:1px solid var(--border);
  background:rgba(8,16,29,0.35);
  border-radius:14px;
  padding:10px;
}
.item-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.item-title{font-weight:800}
.item-sub{color:var(--muted);font-size:12px;margin-top:4px}
.item-actions{display:flex;gap:8px;flex-wrap:wrap}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.kv div{font-size:12px;color:var(--muted)}
.kv b{color:var(--text)}
.footer{padding:18px 12px; text-align:center; border-top:1px solid var(--border); color:var(--muted); font-size:12px}
.modal{
  width:min(920px, 96vw);
  border:1px solid var(--border);
  border-radius:16px;
  background:rgba(15,27,45,0.98);
  color:var(--text);
  padding:14px;
}
.modal::backdrop{background:rgba(0,0,0,0.55)}
.modal-actions{justify-content:flex-end}
.video{width:100%; border-radius:14px; border:1px solid var(--border); background:black; margin:10px 0}
.timer{font-size:42px; font-weight:900; text-align:center; padding:10px; border:1px solid var(--border); border-radius:14px; background:rgba(8,16,29,0.35)}
.hidden{display:none}
.portion{border:1px dashed rgba(255,255,255,0.2); border-radius:14px; padding:10px}