/* Extended mobile-friendly styling */
:root{--bg:#071022;--panel:#071827;--muted:#9fb0c6;--accent:#06b6d4;--card:#0b1722}
body.app-dark{font-family:Inter,system-ui,Arial;background:var(--bg);color:#e6eef6;margin:0}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:250px;background:linear-gradient(180deg,#06121b,#081729);padding:20px;box-shadow:2px 0 20px rgba(0,0,0,0.6);position:fixed;left:0;top:0;bottom:0;overflow:auto}
.sidebar .brand{font-weight:800;color:var(--accent);font-size:1.1rem;margin-bottom:12px}
.menu{display:flex;flex-direction:column;gap:8px}
.menu-item{color:var(--muted);text-decoration:none;padding:10px;border-radius:10px;display:flex;gap:8px;align-items:center}
.menu-item:hover{background:rgba(255,255,255,0.02);color:#fff}
.main{margin-left:250px;flex:1;display:flex;flex-direction:column}
.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(255,255,255,0.03);position:sticky;top:0;background:linear-gradient(180deg,transparent,rgba(0,0,0,0.02));z-index:30}
.top-left{display:flex;align-items:center;gap:12px}
#btn-hamburger{display:none}
.brand-mini{display:none}
.title{font-weight:600}
.content{padding:20px}
/* cards and grids */
.card{background:var(--card);padding:14px;border-radius:14px;margin-bottom:16px;box-shadow:0 8px 24px rgba(2,6,23,0.6)}
.kpis{display:flex;gap:12px;flex-wrap:wrap}
.kpi{flex:1 1 140px;min-width:120px;background:linear-gradient(180deg,rgba(255,255,255,0.01),transparent);padding:12px;border-radius:12px}
.k-label{color:var(--muted);font-size:0.85rem}
.k-value{font-size:1.1rem;font-weight:700}
/* mobile behavior */
@media(max-width:900px){
  .sidebar{position:fixed;left:-320px;transition:left .25s;z-index:60;width:260px}
  .sidebar.open{left:0}
  .main{margin-left:0}
  #btn-hamburger{display:inline-block}
  .brand-mini{display:inline-block;background:var(--panel);padding:6px;border-radius:8px}
  .title{display:inline-block}
  .bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;height:56px;background:var(--panel);justify-content:space-around;align-items:center;border-top:1px solid rgba(255,255,255,0.03);z-index:40}
  .content{padding-bottom:120px}
}
/* table -> responsive cards */
.data-table{width:100%;border-collapse:collapse}
.data-table th{position:sticky;top:0;background:rgba(6,6,10,0.6);padding:10px;text-align:left}
.data-table td{padding:10px;border-bottom:1px solid rgba(255,255,255,0.02)}
@media(max-width:900px){.data-table{display:none}.trade-card{display:block;border-radius:12px;padding:12px;margin-bottom:12px;background:var(--panel)}}
@media(min-width:901px){.trade-card{display:none}}