:root{
  --bg:#0b0c0f;
  --panel:#11131a;
  --panel2:#0f1117;
  --border:#232634;
  --text:#f3f4f6;
  --muted:#a7adbb;
  --accent:#ffffff;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% -10%, rgba(255,255,255,.08), transparent 55%),
              radial-gradient(900px 500px at 110% 10%, rgba(255,255,255,.06), transparent 50%),
              var(--bg);
  color:var(--text);
}

a{color:inherit; text-decoration:none}
small{color:var(--muted)}
hr{border:none; border-top:1px solid var(--border); margin:16px 0}

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

/* Sidebar */
.sidebar{
  width:260px;
  padding:18px;
  border-right:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 35%),
              rgba(15,17,23,.55);
  backdrop-filter: blur(10px);
  position:sticky;
  top:0;
  height:100vh;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 12px 16px;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
}
.brand-title{
  line-height:1.05;
}
.brand-title b{display:block; font-size:14px; letter-spacing:.4px}
.brand-title span{display:block; font-size:12px; color:var(--muted)}

.nav{
  margin-top:8px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--text);
  opacity:.92;
}
.nav a:hover{
  border-color: var(--border);
  background: rgba(255,255,255,.03);
  opacity:1;
}
.nav a.active{
  border-color: rgba(255,255,255,.25);
  background: rgba(255,255,255,.06);
}
.nav .dot{
  width:8px;height:8px;border-radius:99px;
  background: rgba(255,255,255,.7);
  box-shadow: 0 0 0 4px rgba(255,255,255,.06);
}
.sidebar-footer{
  position:absolute;
  left:18px;
  right:18px;
  bottom:18px;
  padding-top:14px;
  border-top:1px solid var(--border);
  color:var(--muted);
  font-size:12px;
}

/* Main */
.main{
  flex:1;
  padding:22px 22px 40px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 16px;
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(17,19,26,.65);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.topbar h1{
  margin:0;
  font-size:16px;
  letter-spacing:.2px;
}
.topbar .right{
  display:flex;
  align-items:center;
  gap:10px;
}
.pill{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  color:var(--muted);
  font-size:12px;
}

.container{
  margin-top:16px;
}

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

@media(max-width:1100px){
  .grid.cols-4{grid-template-columns: repeat(2, minmax(0,1fr))}
}
@media(max-width:820px){
  .sidebar{display:none}
  .main{padding:16px}
  .grid.cols-2{grid-template-columns:1fr}
  .grid.cols-4{grid-template-columns:1fr}
}

/* Cards */
.card{
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(17,19,26,.62);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-header{
  padding:14px 16px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.card-header b{font-size:13px; letter-spacing:.3px}
.card-body{padding:16px}
.card-sub{color:var(--muted); font-size:12px}

/* Stats */
.stat{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
}
.stat .num{
  font-size:28px;
  font-weight:800;
  letter-spacing:.5px;
}
.stat .label{
  color:var(--muted);
  font-size:12px;
  margin-top:4px;
}
.kpi{
  width:42px; height:42px;
  border-radius:14px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.02));
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  font-weight:600;
  font-size:13px;
}
.btn:hover{
  border-color: rgba(255,255,255,.28);
  background: rgba(255,255,255,.06);
}
.btn.primary{
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.10);
}
.btn.danger{
  border-color: rgba(255,255,255,.20);
  background: rgba(255,255,255,.02);
  color:#ffd6d6;
}

/* Tables */
.table{
  width:100%;
  border-collapse:collapse;
  font-size:13px;
}
.table th, .table td{
  padding:12px 10px;
  border-bottom:1px solid var(--border);
  text-align:left;
  vertical-align:middle;
}
.table th{
  color:var(--muted);
  font-weight:600;
  font-size:12px;
  letter-spacing:.2px;
}
.table tr:hover td{
  background: rgba(255,255,255,.02);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  color:var(--muted);
  font-size:12px;
}
.badge .mini{
  width:7px; height:7px; border-radius:99px;
  background: rgba(255,255,255,.7);
}

/* Forms */
.input, select, input[type="text"], input[type="number"], input[type="date"], input[type="password"]{
  width:100%;
  padding:11px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.25);
  color:var(--text);
  outline:none;
}
input::placeholder{color: rgba(167,173,187,.7)}
label{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin:10px 0 6px;
}
.form-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
@media(max-width:820px){
  .form-row{grid-template-columns:1fr}
}