/* =====================================================================
   Base — reset, typography, app shell, layout, utilities
   ===================================================================== */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--t), color var(--t);
  overflow: hidden;            /* shell scrolls internally */
}
[dir="rtl"] body { font-family: var(--font-arabic); }

::selection { background: rgba(240,165,60,.3); color: var(--text); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
input { font: inherit; color: inherit; }
img, svg { display: block; }
canvas { max-width: 100%; }

/* Background ambience */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(620px 420px at 100% 0%, var(--bg-glow), transparent 70%),
    radial-gradient(520px 420px at 0% 100%, var(--bg-glow), transparent 72%);
  opacity: .9;
}

/* Scrollbars */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; border: 2px solid transparent; background-clip: padding-box; }
*::-webkit-scrollbar-thumb:hover { background: var(--text-3); background-clip: padding-box; }
*::-webkit-scrollbar-track { background: transparent; }

/* ----------------------------- App shell ----------------------------- */
.app {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--sidebar);
  border-inline-end: 1px solid var(--border-soft);
  display: flex; flex-direction: column;
  height: 100vh; min-height: 0;
  transform: translateX(0);        /* explicit base so breakpoint transition is clean */
  transition: transform var(--t);
}
.sidebar-head {
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border-soft);
  flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-badge { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; filter: drop-shadow(0 2px 6px rgba(0,0,0,.25)); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 14.5px; letter-spacing: .2px; white-space: nowrap; }
.brand-sub { font-size: 10.5px; color: var(--text-3); letter-spacing: .4px; text-transform: uppercase; white-space: nowrap; }

.nav { flex: 1; min-height: 0; overflow-y: auto; padding: 12px 10px 8px; }
.nav-group { margin-bottom: 10px; }
.nav-group-title { font-size: 10px; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text-3); padding: 0 11px 6px; }
.nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 8px 11px; margin-bottom: 2px;
  border-radius: 10px;
  color: var(--text-2); font-size: 13px; font-weight: 500;
  position: relative; transition: background var(--t-fast), color var(--t-fast);
}
.nav-link .icn { width: 18px; height: 18px; color: var(--text-3); transition: color var(--t-fast); flex-shrink: 0; }
.nav-link span { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-link:hover { background: var(--nav-hover); color: var(--text); }
.nav-link:hover .icn { color: var(--brand-gold); }
.nav-link.active { background: var(--grad-gold); color: var(--brand-brown); font-weight: 600; box-shadow: 0 6px 16px rgba(240,165,60,.28); }
.nav-link.active .icn { color: var(--brand-brown); }
.nav-badge {
  font-size: 11px; font-weight: 700; padding: 1px 8px; border-radius: var(--r-pill);
  background: var(--error); color: #fff; line-height: 1.5;
  margin-inline-start: auto; flex-shrink: 0;
}
.nav-link.active .nav-badge { background: rgba(42,26,8,.22); color: var(--brand-brown); }

.sidebar-foot { padding: 12px; border-top: 1px solid var(--border-soft); flex-shrink: 0; }

/* Main column */
.main { display: flex; flex-direction: column; height: 100vh; min-height: 0; min-width: 0; }

/* Topbar */
.topbar {
  height: var(--topbar-h); flex-shrink: 0;
  display: flex; align-items: center; gap: 16px;
  padding: 0 var(--gutter);
  background: var(--topbar-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
  position: sticky; top: 0; z-index: 20;
}
.topbar-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.page-titles { display: flex; flex-direction: column; min-width: 0; }
.page-title { font-family: var(--font-display); font-size: 17px; font-weight: 700; letter-spacing: .2px; }
.page-sub { font-size: 12px; color: var(--text-3); white-space: nowrap; }
.topbar-right { display: flex; align-items: center; gap: 10px; margin-inline-start: auto; }
.tb-divider { width: 1px; height: 30px; background: var(--border-soft); margin: 0 2px; }

/* Content scroll area */
.content { flex: 1; min-height: 0; overflow-y: auto; padding: var(--gutter); }
.content-inner { max-width: var(--maxw); margin: 0 auto; }

/* Views */
.view { display: none; animation: fade .35s var(--ease); }
.view.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Page intro row */
.page-intro { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.page-intro h1 { font-family: var(--font-display); font-size: 20px; font-weight: 700; letter-spacing: .2px; }
.page-intro p { color: var(--text-2); font-size: 13px; margin-top: 3px; max-width: 60ch; }

/* ----------------------------- Grid ----------------------------- */
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); }
.sp-3 { grid-column: span 3; } .sp-4 { grid-column: span 4; } .sp-5 { grid-column: span 5; }
.sp-6 { grid-column: span 6; } .sp-7 { grid-column: span 7; } .sp-8 { grid-column: span 8; }
.sp-9 { grid-column: span 9; } .sp-12 { grid-column: span 12; }

/* Balanced KPI grid — full rows at every width (3+3 default, single band on wide, 2 on mobile) */
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); margin-bottom: var(--gutter); }
@media (min-width: 1600px) { .kpi-grid { grid-template-columns: repeat(6, 1fr); } }
@media (max-width: 600px)  { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }

/* ----------------------------- Utilities ----------------------------- */
.muted { color: var(--text-2); }
.dim { color: var(--text-3); }
.text-gold { color: var(--brand-gold); }
.flex { display: flex; }
.between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.wrap { flex-wrap: wrap; }
.mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; } .mt-20 { margin-top: 20px; } .mt-24 { margin-top: 24px; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }
.grow { flex: 1; }

/* Mobile sidebar machinery */
.overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 40; opacity: 0; transition: opacity var(--t); }
.overlay.show { display: block; opacity: 1; }

/* ----------------------------- Responsive ----------------------------- */
@media (max-width: 1180px) {
  .sp-8 { grid-column: span 12; }
  .sp-7 { grid-column: span 12; }
  .sp-5 { grid-column: span 6; }
  .sp-4 { grid-column: span 6; }
  .sp-3 { grid-column: span 6; }
}
@media (max-width: 1024px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset-inline-start: 0; top: 0; z-index: 50;
    width: var(--sidebar-w); transform: translateX(-105%);
    box-shadow: var(--shadow);
  }
  [dir="rtl"] .sidebar { transform: translateX(105%); }
  .sidebar.open { transform: translateX(0); }
  .menu-btn { display: inline-flex !important; }
}
@media (max-width: 760px) {
  :root { --gutter: 16px; }
  .sp-3, .sp-4, .sp-5, .sp-6 { grid-column: span 12; }
  .search-box { display: none; }
  .page-sub { display: none; }
  .user-meta { display: none; }
}