:root{
  --bg:#0b0f16;
  --panel:#0f1522;
  --panel2:#0c1220;
  --text:#e7eaf3;
  --muted:#a6afc8;
  --border:rgba(255,255,255,.10);
  --border2:rgba(255,255,255,.14);
  --brand:#7c5cff;
  --brand2:#2ee0ff;
  --danger:#ff4d6d;
  --ok:#2dd4bf;
  --warn:#fbbf24;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 14px;
  --radius2: 12px;
  --ring: 0 0 0 3px rgba(124,92,255,.30);
  --font: ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,"Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(900px 600px at 15% -10%, rgba(124,92,255,.18), transparent 55%),
    radial-gradient(800px 500px at 95% 10%, rgba(46,224,255,.12), transparent 55%),
    var(--bg);
  color:var(--text);
}

a{color:inherit; text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:28px}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.card .hd{padding:18px 18px 0 18px}
.card .bd{padding:18px}

h1,h2,h3{margin:0 0 10px 0}
h1{font-size:22px;letter-spacing:.2px}
h2{font-size:14px;color:var(--muted);font-weight:600}
.small{font-size:12px;color:var(--muted)}

.grid{display:grid;gap:14px}
.grid.cols2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width: 900px){
  .grid.cols2,.grid.cols3{grid-template-columns:1fr}
}

input,select,textarea{
  width:100%;
  padding:11px 12px;
  border-radius:12px;
  background:rgba(10,15,24,.65);
  border:1px solid var(--border);
  color:var(--text);
  outline:none;
}
input:focus,select:focus,textarea:focus{ box-shadow:var(--ring); border-color:rgba(124,92,255,.55) }
label{display:block;font-size:12px;color:var(--muted);margin:0 0 8px 2px}

.row{display:flex;gap:10px;align-items:center}
.row.wrap{flex-wrap:wrap}
.hr{height:1px;background:rgba(255,255,255,.10);margin:14px 0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
  font-weight:650;
  transition:.15s transform ease, .15s background ease, .15s border-color ease;
}
.btn:hover{transform:translateY(-1px); background:rgba(255,255,255,.07)}
.btn:active{transform:translateY(0px)}
.btn.primary{
  background:linear-gradient(135deg, rgba(124,92,255,.92), rgba(46,224,255,.40));
  border-color:rgba(124,92,255,.50);
}
.btn.danger{
  background:rgba(255,77,109,.12);
  border-color:rgba(255,77,109,.30);
}
.btn.ghost{background:transparent}

.kpi{
  padding:14px;border-radius:var(--radius2);
  background:rgba(0,0,0,.16);
  border:1px solid rgba(255,255,255,.08);
}
.kpi .n{font-size:22px;font-weight:850}
.kpi .t{font-size:12px;color:var(--muted)}

.table{
  width:100%;
  border-collapse:separate;border-spacing:0 10px;
}
.table th{
  text-align:left;font-size:12px;color:var(--muted);
  font-weight:600;padding:0 10px 8px 10px;
}
.table td{
  padding:12px 10px;
  background:rgba(0,0,0,.14);
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.table tr td:first-child{border-left:1px solid rgba(255,255,255,.08);border-top-left-radius:12px;border-bottom-left-radius:12px}
.table tr td:last-child{border-right:1px solid rgba(255,255,255,.08);border-top-right-radius:12px;border-bottom-right-radius:12px}

.pill{
  font-size:12px;padding:5px 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  color:var(--muted);
}
.pill.ok{border-color:rgba(45,212,191,.40); background:rgba(45,212,191,.10); color:#bffbf0}
.pill.bad{border-color:rgba(255,77,109,.40); background:rgba(255,77,109,.10); color:#ffd1db}
.pill.warn{border-color:rgba(251,191,36,.45); background:rgba(251,191,36,.10); color:#fff0c2}

.toast{
  position:fixed; right:18px; top:18px; z-index:50;
  min-width:260px;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(15,21,34,.92);
  border:1px solid var(--border2);
  box-shadow:var(--shadow);
  color:var(--text);
  display:none;
}
.toast.show{display:block}

.modal-backdrop{
  position:fixed; inset:0; background:rgba(0,0,0,.45);
  display:none; align-items:center; justify-content:center;
  z-index:60;
}
.modal-backdrop.show{display:flex}
.modal{
  width:min(720px, calc(100vw - 28px));
  border-radius:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--border2);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.modal .mh{padding:16px 16px 0 16px}
.modal .mb{padding:16px}
.modal .mf{padding:0 16px 16px 16px; display:flex; gap:10px; justify-content:flex-end}

/* -------- Sidebar Layout -------- */
.app{
  min-height:100vh;
  display:grid;
  grid-template-columns: 260px 1fr;
}
.sidebar{
  position:sticky; top:0;
  height:100vh;
  padding:18px 14px;
  border-right:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
}
.side-brand{
  display:flex; gap:12px; align-items:center;
  padding:10px 10px; border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.14);
}
.logo{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg, rgba(124,92,255,.92), rgba(46,224,255,.40));
  display:flex;align-items:center;justify-content:center;font-weight:900
}
.side-title{font-weight:850; letter-spacing:.2px}
.side-sub{font-size:12px;color:var(--muted)}

.side-nav{margin-top:14px; display:flex; flex-direction:column; gap:6px}
.side-item{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 10px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--muted);
  cursor:pointer;
  user-select:none;
}
.side-item:hover{background:rgba(255,255,255,.04); color:var(--text)}
.side-item.active{
  background:rgba(124,92,255,.14);
  border-color:rgba(124,92,255,.30);
  color:var(--text);
}
.side-foot{
  position:absolute;
  left:14px; right:14px; bottom:14px;
  display:flex; flex-direction:column; gap:10px;
}
.main{
  padding:22px;
}
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; margin-bottom:14px;
}
@media (max-width: 980px){
  .app{grid-template-columns: 1fr}
  .sidebar{position:relative;height:auto}
  .side-foot{position:relative; left:auto; right:auto; bottom:auto}
}