:root{
  --bg:#f5f6f8;
  --card:#ffffff;
  --border:#e7e9ee;
  --muted:#6b7280;
  --text:#0f172a;
  --nav1:#081527;
  --nav2:#0b1b33;
  --blue:#1f4dd9;
  --shadow:0 1px 0 rgba(10,10,10,.03);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Cairo", system-ui, Tahoma, Arial;
}
a{color:inherit;text-decoration:none}

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

/* SIDEBAR (Desktop) */
.sidebar{
  width:340px;
  background:linear-gradient(180deg,var(--nav1),var(--nav2));
  color:#fff;
  padding:22px;
  position:sticky;
  top:0;
  height:100vh;
  overflow:auto;
}
.brand{padding:10px 10px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.brandTitle{font-weight:900;letter-spacing:.5px}
.brandSub{opacity:.75;font-size:12px;margin-top:2px}
.menu{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.menuGroup{opacity:.7;font-size:12px;margin:8px 0 2px}
.menuBtn{
  display:flex;align-items:center;justify-content:center;
  gap:10px;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.06);
  cursor:pointer;
  font-weight:800;
}
.menuBtn.active{background:var(--blue);border-color:rgba(255,255,255,.15)}
.menuBtn:hover{background:rgba(255,255,255,.10)}
/* CONTENT */
.content{flex:1;padding:26px;min-width:0}
.topbar{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.pageTitle{font-weight:900}

/* UI building blocks */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:16px;
  box-shadow:var(--shadow);
}
.cardHead{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.cardTitle{font-weight:900}
.cardBody{min-width:0}

.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.kpiVal{font-weight:900;font-size:22px}
.kpiSub{font-size:12px;color:var(--muted);margin-top:4px}

.tableWrap{
  width:100%;
  overflow:auto;
  border:1px solid var(--border);
  border-radius:14px;
  background:#fff;
}
.table{width:100%;border-collapse:collapse;min-width:720px}
.table th,.table td{padding:10px;border-bottom:1px solid #eef2f7;text-align:right;font-size:13px;white-space:nowrap}
.table th{background:#f8fafc;font-weight:900}

.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  padding:10px 12px;
  font-weight:900;
  cursor:pointer;
}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.danger{background:#ef4444;border-color:#ef4444;color:#fff}
.btn.ghost{background:transparent}

input,select,textarea{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  font-family:inherit;
}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}
.formGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.formGrid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
hr{border:none;border-top:1px solid var(--border);margin:14px 0}

/* BURGER */
.burgerBtn{
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  padding:10px 12px;
  font-weight:900;
  cursor:pointer;
  display:none; /* shown on mobile */
  align-items:center;
  gap:8px;
}
.burgerIcon{font-size:18px;line-height:1}
.overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.35);
  z-index:40;
}

.sidebarCloseBtn{
  display:none;
  margin-top:10px;
}

/* Responsive */
@media (max-width: 1200px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .formGrid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 900px){
  .content{padding:14px}
  .burgerBtn{display:flex}
  .layout{display:block}
  /* Off-canvas sidebar */
  .sidebar{
    position:fixed;
    right:0;
    top:0;
    height:100vh;
    width:min(86vw,360px);
    z-index:50;
    transform:translateX(110%);
    transition:transform .18s ease;
    border-radius:18px 0 0 18px;
  }
  .sidebar.open{transform:translateX(0)}
  .sidebarCloseBtn{display:flex}
  .menu{gap:10px}
  .menuBtn{width:100%}
  .cards{grid-template-columns:1fr}
  .formGrid,.formGrid2{grid-template-columns:1fr}
  .table{min-width:560px}
}
@media (max-width: 560px){
  .table{min-width:520px}
}