*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background:radial-gradient(1200px 800px at 30% -10%, rgba(42,168,255,0.25), transparent 55%),
             radial-gradient(900px 700px at 110% 10%, rgba(119,208,255,0.18), transparent 50%),
             var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}

.app{
  min-height:100vh;
  display:grid;
  grid-template-columns: 290px 1fr;
}

.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  padding:18px;
  background:linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border-right:1px solid var(--border);
  backdrop-filter: blur(10px);
  display:flex;
  flex-direction:column;
  gap:18px;
}

.brand{
  display:flex;
  gap:12px;
  align-items:center;
  padding:14px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--panel);
  box-shadow:var(--shadow);
}
.brand-logo{width:48px;height:48px;object-fit:contain;filter:drop-shadow(0 10px 20px rgba(42,168,255,0.25))}
.brand-name{font-weight:800;letter-spacing:0.3px}
.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}

.nav{display:flex;flex-direction:column;gap:8px;padding:6px}
.nav-item{
  display:flex;align-items:center;gap:12px;
  padding:12px 12px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  color:var(--muted);
}
.nav-item:hover{background:var(--panel);border-color:var(--border);color:var(--text)}
.nav-item.active{
  background:linear-gradient(90deg, rgba(42,168,255,0.18), rgba(255,255,255,0.04));
  border-color:rgba(42,168,255,0.35);
  color:var(--text);
}
.nav-icon{width:22px;display:inline-flex;justify-content:center}

.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding:6px}
.userbox{
  display:flex;align-items:center;gap:12px;
  padding:12px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:var(--panel);
}
.userbox-avatar{
  width:40px;height:40px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(42,168,255,0.18);
  border:1px solid rgba(42,168,255,0.35);
  font-weight:800;
}
.userbox-name{font-weight:700}
.userbox-role{font-size:12px;color:var(--muted);margin-top:2px}

.main{min-height:100vh;display:flex;flex-direction:column}
.topbar{
  position:sticky;
  top:0;
  z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding:16px 22px;
  background:rgba(7,11,16,0.65);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--border);
}
.topbar-title{font-size:16px;font-weight:800;letter-spacing:0.2px}
.topbar-right{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

.content{padding:22px;max-width:1200px;width:100%}
.footer{padding:18px 22px;border-top:1px solid var(--border);display:flex;justify-content:space-between;color:var(--muted)}

.card{
  border:1px solid var(--border);
  background:var(--panel);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
}
.grid{display:grid;gap:14px}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}

.h1{font-size:22px;font-weight:900;margin:0 0 10px 0}
.muted{color:var(--muted)}

.table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:var(--radius);border:1px solid var(--border)}
.table th,.table td{padding:12px 12px;border-bottom:1px solid var(--border);text-align:left}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:0.12em;color:var(--muted);background:rgba(255,255,255,0.03)}
.table tr:hover td{background:rgba(255,255,255,0.03)}

.btn{
  appearance:none;border:1px solid var(--border);
  background:rgba(255,255,255,0.04);
  color:var(--text);
  padding:10px 12px;border-radius:14px;
  font-weight:700;cursor:pointer;
}
.btn:hover{background:rgba(255,255,255,0.06)}
.btn-primary{border-color:rgba(42,168,255,0.45);background:rgba(42,168,255,0.16)}
.btn-primary:hover{background:rgba(42,168,255,0.22)}
.btn-danger{border-color:rgba(255,77,109,0.45);background:rgba(255,77,109,0.14)}
.btn-ghost{background:transparent}

.input{
  width:100%;padding:11px 12px;border-radius:14px;
  border:1px solid var(--border);
  background:rgba(0,0,0,0.25);
  color:var(--text);
  outline:none;
}
.input:focus{border-color:rgba(42,168,255,0.55);box-shadow:0 0 0 4px rgba(42,168,255,0.12)}
.label{font-size:12px;color:var(--muted);margin:0 0 6px 2px}

.alert{padding:12px 12px;border-radius:14px;border:1px solid var(--border);margin-bottom:14px}
.alert-danger{border-color:rgba(255,77,109,0.35);background:rgba(255,77,109,0.12)}
.alert-success{border-color:rgba(50,213,131,0.35);background:rgba(50,213,131,0.12)}

.pill{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:rgba(255,255,255,0.03)}
.pill-accent{border-color:rgba(42,168,255,0.35);color:rgba(255,255,255,0.88);background:rgba(42,168,255,0.12)}

.iconbtn{
  width:40px;height:40px;border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,0.04);
  cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.iconbtn:hover{background:rgba(255,255,255,0.06)}
.burger{width:18px;height:2px;background:var(--text);position:relative;display:block;opacity:0.85}
.burger::before,.burger::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);opacity:0.85}
.burger::before{top:-6px}
.burger::after{top:6px}

/* Login */
.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
}
.auth-card{width:100%;max-width:460px}
.auth-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.auth-logo{width:54px;height:54px;object-fit:contain}

/* Responsive */
@media (max-width: 980px){
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .app{grid-template-columns:1fr}
  .sidebar{
    position:fixed;
    left:0;top:0;
    transform:translateX(-102%);
    transition:transform 180ms ease;
    width:290px;
    z-index:50;
  }
  .sidebar.open{transform:translateX(0)}
  .topbar{justify-content:space-between}
}

.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{
  width:100%;max-width:460px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}
.auth-brand{display:flex;align-items:center;gap:12px}
.auth-logo{width:56px;height:56px;object-fit:contain}
.auth-title{font-size:20px;font-weight:800;letter-spacing:0.3px}
.auth-sub{margin-top:2px}
.auth-foot{margin-top:14px;font-size:12px;text-align:center}