:root{
  --bg:#0f1115;
  --card:#151924;
  --text:#e8ecf3;
  --muted:#a8b0c0;
  --line:#242b3a;
  --btn:#2b67ff;
  --red:#ff4d4d;
  --yel:#ffcc00;
  --grn:#27d17f;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:24px auto;padding:0 16px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(15,17,21,.9);backdrop-filter: blur(10px)}
.brand{font-weight:700}
.nav a{margin-left:12px;color:var(--muted)}
.nav a.active{color:var(--text)}
h1,h2,h3{margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:900px){
  .grid2,.grid3,.grid4{grid-template-columns:1fr}
}
label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:14px}
input,select,textarea{
  background:#0f1420;border:1px solid var(--line);border-radius:10px;
  padding:10px 12px;color:var(--text);outline:none
}
textarea{resize:vertical}
.row{display:flex;align-items:center}
.row.space{justify-content:space-between}
.row.gap{gap:10px}
.row.end{justify-content:flex-end}
.btn{
  background:var(--btn);border:none;color:white;padding:10px 14px;
  border-radius:10px;cursor:pointer;font-weight:600
}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn.danger{background:var(--red)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
.hint{color:var(--muted);font-size:13px;margin-top:8px}
.alert{padding:12px;border-radius:10px;border:1px solid var(--line);background:#0f1420}
.alert-red{border-color:rgba(255,77,77,.4)}
.badge{padding:8px 10px;border-radius:999px;font-weight:700}
.badge.red{background:rgba(255,77,77,.15);color:var(--red)}
.badge.yel{background:rgba(255,204,0,.15);color:var(--yel)}
.badge.grn{background:rgba(39,209,127,.15);color:var(--grn)}
.kpi{background:#0f1420;border:1px solid var(--line);border-radius:12px;padding:12px}
.kpi .v{font-size:18px;font-weight:800;margin-top:6px;color:var(--text)}
.kpi .t{font-size:12px;color:var(--muted)}

.alert-red{border-color:rgba(255,77,77,.45); color:var(--text)}

.nav-sep{opacity:.6; padding:0 6px;}

.kpi{
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  background: rgba(255,255,255,.03);
}
.kpi-title{opacity:.75; font-size:12px; margin-bottom:6px;}
.kpi-value{font-size:18px;}
.badge.grn{
  background: rgba(0,255,0,.10);
  border:1px solid var(--line);
}

input[type="number"]{padding:10px;border-radius:12px;border:1px solid var(--line);background:transparent;color:inherit}

/* ===== Sidebar Layout ===== */
:root{
  --sidebar-w: 260px;
}

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

.sidebar{
  width: var(--sidebar-w);
  position: sticky;
  top: 0;
  align-self:flex-start;
  height:100vh;
  padding: 18px 14px;
  border-right:1px solid var(--line);
  background: rgba(255,255,255,.02);
}

.sb-brand{
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .2px;
  margin-bottom: 14px;
  padding: 10px 10px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}

.sb-section{
  margin-top: 14px;
  margin-bottom: 6px;
  opacity: .75;
  font-size: 12px;
  padding: 0 10px;
  text-transform: uppercase;
  letter-spacing: .6px;
}

.sb-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 10px;
  border-radius: 12px;
  text-decoration:none;
  color: inherit;
  border: 1px solid transparent;
}

.sb-nav a:hover{
  background: rgba(255,255,255,.04);
  border-color: var(--line);
}

.sb-nav a.active{
  background: rgba(255,255,255,.06);
  border-color: var(--line);
}

.sb-ico{
  width: 22px;
  text-align:center;
  opacity:.9;
}

.content{
  flex:1;
  padding: 18px 22px;
}

@media (max-width: 980px){
  :root{ --sidebar-w: 220px; }
}

@media (max-width: 760px){
  .layout{ display:block; }
  .sidebar{
    width:auto;
    height:auto;
    position:relative;
    border-right:none;
    border-bottom:1px solid var(--line);
  }
  .content{ padding: 14px; }
}

/* ===== Sidebar Layout ===== */
:root{ --sidebar-w: 260px; }

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

.sidebar{
  width: var(--sidebar-w);
  position: sticky;
  top: 0;
  align-self:flex-start;
  height:100vh;
  padding: 18px 14px;
  border-right:1px solid var(--line);
  background: rgba(255,255,255,.02);
}

.sb-brand{
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .2px;
  margin-bottom: 14px;
  padding: 10px 10px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}

.sb-section{
  margin-top: 14px;
  margin-bottom: 6px;
  opacity: .75;
  font-size: 12px;
  padding: 0 10px;
  text-transform: uppercase;
  letter-spacing: .6px;
}

.sb-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 10px;
  border-radius: 12px;
  text-decoration:none;
  color: inherit;
  border: 1px solid transparent;
}

.sb-nav a:hover{
  background: rgba(255,255,255,.04);
  border-color: var(--line);
}

.sb-nav a.active{
  background: rgba(255,255,255,.06);
  border-color: var(--line);
}

.sb-ico{ width: 22px; text-align:center; opacity:.9; }

.content{ flex:1; padding: 18px 22px; }

@media (max-width: 760px){
  .layout{ display:block; }
  .sidebar{
    width:auto;
    height:auto;
    position:relative;
    border-right:none;
    border-bottom:1px solid var(--line);
  }
  .content{ padding: 14px; }
}

/* optional: KPI fallback */
.kpi{
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  background: rgba(255,255,255,.03);
}
.kpi-title{opacity:.75; font-size:12px; margin-bottom:6px;}
.kpi-value{font-size:18px;}
.badge.grn{
  background: rgba(0,255,0,.10);
  border:1px solid var(--line);
}