:root{
  --bg:#0b1220;
  --panel:#0f172a;
  --card:#111c33;
  --card2:#0f1a2f;
  --line:rgba(255,255,255,.08);
  --text:#e8eefc;
  --muted:#a9b7d7;
  --navy:#07185c;
  --brand:#2563eb;
  --brand2:#1d4ed8;
  --danger:#ef4444;
  --ok:#22c55e;
  --shadow: 0 12px 30px rgba(0,0,0,.25);
  --radius: 16px;
  --radius2: 12px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(37,99,235,.18), transparent 55%),
              radial-gradient(900px 500px at 90% 20%, rgba(34,197,94,.10), transparent 50%),
              var(--bg);
  color:var(--text);
}

/* Layout */
.app{display:flex; min-height:100vh}
.sidebar{
  width:280px;
  background: linear-gradient(180deg, rgba(17,28,51,.96), rgba(15,23,42,.96));
  border-right:1px solid var(--line);
  padding:18px 14px;
  position:sticky;
  top:0;
  height:100vh;
  overflow:auto;
}
.main{flex:1; display:flex; flex-direction:column; min-width:0}

.topbar{
  display:flex;
  gap:14px;
  align-items:center;
  padding:16px 18px;
  border-bottom:1px solid var(--line);
  background: rgba(17,28,51,.55);
  backdrop-filter: blur(10px);
  position:sticky;
  top:0;
  z-index:5;
}
.content{padding:18px; max-width:1200px; width:100%; margin:0 auto}
.footer{padding:18px; text-align:center; border-top:1px solid var(--line); background: rgba(17,28,51,.35)}

.h1{font-size:18px; font-weight:800; letter-spacing:.2px}
.muted{color:var(--muted); font-size:13px}

/* Sidebar brand */
.sidebar-brand{display:flex; gap:10px; align-items:center; padding:10px 10px 16px}
.sidebar-logo{
  width:44px; height:44px; border-radius:12px; object-fit:cover;
  border:1px solid var(--line); background:#fff;
}
.sidebar-title{font-weight:900; letter-spacing:.2px}
.sidebar-sub{color:var(--muted); font-size:12px; margin-top:2px}

/* Nav */
.sidebar-nav{display:flex; flex-direction:column; gap:6px}
.nav-item{
  display:flex; gap:10px; align-items:center;
  padding:10px 12px;
  border-radius:12px;
  color:var(--text);
  text-decoration:none;
  border:1px solid transparent;
  background: transparent;
  cursor:pointer;
  font: inherit;
}
.nav-item:hover{
  background: rgba(37,99,235,.12);
  border-color: rgba(37,99,235,.25);
}
.nav-ic{width:24px; display:inline-flex; justify-content:center}
.nav-divider{height:1px; background:var(--line); margin:10px 6px}
.nav-danger{background: rgba(239,68,68,.10); border-color: rgba(239,68,68,.22)}
.nav-danger:hover{background: rgba(239,68,68,.18)}

/* Topbar */
.icon-btn{
  width:40px; height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
}
.icon-btn:hover{background: rgba(255,255,255,.10)}
.topbar-title{min-width:0}
.topbar-right{margin-left:auto; display:flex; gap:10px; align-items:center}
.user-pill{
  display:flex; gap:8px; align-items:center;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background: rgba(255,255,255,.06);
}
.dot{width:10px; height:10px; border-radius:999px; background: var(--ok); box-shadow: 0 0 0 6px rgba(34,197,94,.12)}

/* Cards / boxes */
.card{
  background: linear-gradient(180deg, rgba(17,28,51,.85), rgba(15,26,47,.85));
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.box{
  background: rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius: var(--radius2);
  padding:16px;
}
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
}
.col-4{grid-column: span 4}
.col-6{grid-column: span 6}
.col-8{grid-column: span 8}
.col-12{grid-column: span 12}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color:var(--text);
  text-decoration:none;
  cursor:pointer;
  font-weight:700;
}
.btn:hover{background: rgba(255,255,255,.10)}
.btn-primary{
  background: linear-gradient(180deg, var(--brand), var(--brand2));
  border-color: rgba(37,99,235,.6);
}
.btn-primary:hover{filter: brightness(1.03)}
.btn-ghost{background: transparent}
.btn-danger{background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.25)}
.btn-danger:hover{background: rgba(239,68,68,.18)}

/* Inputs */
label{display:block; font-size:12px; color:var(--muted); margin:0 0 6px}
input, select{
  width:100%;
  padding:11px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color:var(--text);
  outline:none;
}
input::placeholder{color: rgba(169,183,215,.65)}
input:focus, select:focus{border-color: rgba(37,99,235,.55); box-shadow: 0 0 0 4px rgba(37,99,235,.12)}

/* Table */
.table-wrapper{overflow:auto; border-radius:12px; border:1px solid var(--line)}
.table{width:100%; border-collapse:collapse; min-width:860px; background: rgba(0,0,0,.12)}
.table th, .table td{padding:12px 12px; border-bottom:1px solid var(--line); text-align:left}
.table th{font-size:12px; color:var(--muted); background: rgba(255,255,255,.06)}
.table tr:hover td{background: rgba(37,99,235,.06)}

/* Form */
.form-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:12px;
}
.form-grid > div{grid-column: span 6}
.form-grid .full{grid-column: span 12}
.form-section{margin-top:14px}
.form-section h3{margin:0 0 10px; font-size:14px}
.form-actions{display:flex; gap:10px; margin-top:14px; flex-wrap:wrap}
.radio-grid{
  display:grid;
  grid-template-columns: repeat(6, minmax(0,1fr));
  gap:10px;
}
.radio-pill{
  display:flex; align-items:center; gap:8px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  cursor:pointer;
}
.radio-pill input{width:auto}

/* Login page */
.auth-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:18px;
}
.auth-card{
  width:100%;
  max-width:520px;
  padding:18px;
}
.alert{
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  margin:12px 0;
}
.alert.error{border-color: rgba(239,68,68,.25); background: rgba(239,68,68,.10)}
.alert.success{border-color: rgba(34,197,94,.25); background: rgba(34,197,94,.10)}

/* Responsive */
@media (max-width: 980px){
  .sidebar{
    position:fixed;
    left:-290px;
    top:0;
    z-index:20;
    transition: left .2s ease;
  }
  .sidebar.open{left:0}
  .content{padding:14px}
  .radio-grid{grid-template-columns: repeat(4, minmax(0,1fr))}
  .form-grid > div{grid-column: span 12}
}
@media (max-width: 560px){
  .radio-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
  .table{min-width:720px}
}
.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  font-size:12px;
  color:var(--text);
  font-weight:800;
}
.badge.ok{border-color: rgba(34,197,94,.25); background: rgba(34,197,94,.10)}
.badge.warn{border-color: rgba(245,158,11,.25); background: rgba(245,158,11,.10)}
.badge.bad{border-color: rgba(239,68,68,.25); background: rgba(239,68,68,.10)}
.table .actions{display:flex; gap:8px; flex-wrap:wrap}