:root{
  --bg-0:#070515;
  --bg-1:#0C0019;
  --bg-2:rgba(255,255,255,.06);
  --card:rgba(255,255,255,.08);
  --card-2:rgba(255,255,255,.12);
  --border:rgba(255,255,255,.12);
  --text:#ffffff;
  --muted:rgba(255,255,255,.74);
  --muted-2:rgba(255,255,255,.58);
  --primary:#0066ff;
  --success:#00ff88;
  --danger:#ff4444;
  --warning:#ffaa00;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --radius:16px;
  --radius-lg:22px;
  --sidebar:280px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:radial-gradient(1200px 800px at 10% 0%,rgba(0,102,255,.25),transparent 55%),
             radial-gradient(900px 650px at 90% 20%,rgba(255,0,140,.18),transparent 55%),
             linear-gradient(135deg,var(--bg-1),#1a0f2e 70%);
  color:var(--text);
}

a{color:inherit;text-decoration:none}

.app{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{
  width:var(--sidebar);
  position:fixed;
  inset:0 auto 0 0;
  padding:18px 14px;
  background:rgba(255,255,255,.07);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-right:1px solid var(--border);
  z-index:50;
  display:flex;
  flex-direction:column;
  gap:18px;
}

.brand{display:flex;align-items:center;gap:12px;padding:8px 10px}
.brand-logo{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(255,255,255,.12);border:1px solid var(--border);box-shadow:0 10px 30px rgba(0,0,0,.25)}
.brand-logo i{font-size:18px;color:#fff}
.brand-text{font-weight:700;letter-spacing:.2px}
.brand-text span{opacity:.85;font-weight:600}

.nav{display:flex;flex-direction:column;gap:8px}
.nav-item{
  display:flex;align-items:center;gap:12px;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid transparent;
  color:var(--muted);
  transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.nav-item i{width:22px;text-align:center;font-size:18px}
.nav-item:hover{background:rgba(255,255,255,.10);border-color:var(--border);transform:translateY(-1px);color:#fff}
.nav-item.active{background:rgba(0,102,255,.18);border-color:rgba(0,102,255,.28);color:#fff}

.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding:10px}
.pill{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid var(--border);color:var(--muted)}
.pill i{color:rgba(255,255,255,.85)}
.muted{color:var(--muted-2);font-size:12px}

.sidebar-overlay{display:none}

/* Main */
.app-main{flex:1;margin-left:var(--sidebar);min-width:0}

.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 18px;
  background:rgba(7,5,21,.55);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.10);
}

.topbar-title{min-width:0}
.topbar-h{font-weight:700;font-size:18px;line-height:1.2}
.topbar-sub{color:var(--muted-2);font-size:12px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.topbar-actions{display:flex;gap:10px;align-items:center}

.content{padding:18px 18px 40px;max-width:1200px;margin:0 auto}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.10);
  color:#fff;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.14)}
.btn.primary{background:rgba(0,102,255,.25);border-color:rgba(0,102,255,.35)}
.btn.primary:hover{background:rgba(0,102,255,.32)}
.btn.danger{background:rgba(255,68,68,.18);border-color:rgba(255,68,68,.25)}
.btn.danger:hover{background:rgba(255,68,68,.24)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}

.icon-btn{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  border:1px solid var(--border);
  background:rgba(255,255,255,.10);
  cursor:pointer;
}
.icon-btn:hover{background:rgba(255,255,255,.14)}

/* Cards / Grid */
.grid{display:grid;gap:14px}
.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}

.card{
  border-radius:var(--radius-lg);
  background:var(--card);
  border:1px solid var(--border);
  box-shadow:0 10px 34px rgba(0,0,0,.25);
  overflow:hidden;
}
.card-h{
  padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-bottom:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}
.card-t{font-weight:700}
.card-b{padding:14px 16px}

.stat{
  display:flex;gap:12px;align-items:center;
}
.stat-ico{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.10)}
.stat-ico i{font-size:18px}
.stat-k{font-size:12px;color:var(--muted-2)}
.stat-v{font-size:20px;font-weight:800;letter-spacing:.2px}

/* Tables */
.table{
  width:100%;border-collapse:separate;border-spacing:0 10px;
}
.table th{color:var(--muted-2);font-size:12px;font-weight:600;text-align:left;padding:0 10px 6px}
.table td{padding:12px 10px;background:rgba(255,255,255,.07);border-top:1px solid rgba(255,255,255,.10);border-bottom:1px solid rgba(255,255,255,.10)}
.table tr td:first-child{border-left:1px solid rgba(255,255,255,.10);border-radius:14px 0 0 14px}
.table tr td:last-child{border-right:1px solid rgba(255,255,255,.10);border-radius:0 14px 14px 0}

.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.08);color:var(--muted)}
.badge.success{background:rgba(0,255,136,.12);border-color:rgba(0,255,136,.2);color:#e9fff5}
.badge.warning{background:rgba(255,170,0,.14);border-color:rgba(255,170,0,.25);color:#fff6e7}
.badge.danger{background:rgba(255,68,68,.14);border-color:rgba(255,68,68,.25);color:#ffecec}

.input{
  width:100%;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.06);
  color:#fff;
  outline:none;
}
.input::placeholder{color:rgba(255,255,255,.45)}

/* Alerts */
.alert{display:flex;gap:12px;align-items:flex-start;padding:14px 14px;border-radius:18px;border:1px solid var(--border);background:rgba(255,255,255,.08)}
.alert i{font-size:18px;margin-top:1px}
.alert.success{border-color:rgba(0,255,136,.25);background:rgba(0,255,136,.10)}
.alert.error{border-color:rgba(255,68,68,.28);background:rgba(255,68,68,.10)}
.alert.warning{border-color:rgba(255,170,0,.25);background:rgba(255,170,0,.10)}

/* Responsive */
@media (max-width: 1024px){
  .grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 800px){
  .sidebar{transform:translateX(-110%);transition:transform .2s ease}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:45}
  .sidebar-overlay.show{opacity:1;pointer-events:auto}
  .app-main{margin-left:0}
  .content{padding:16px}
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
  .topbar-h{font-size:16px}
}