/* =====================================================================
   BrilliantTech UI — Base: reset, typography, background, utilities
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--text-2);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* خلفية التدرجات (نفس العرض التقديمي) */
body.bt-bg::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(640px 480px at 88% 4%, var(--blob-1), transparent 70%),
    radial-gradient(620px 460px at 45% 18%, var(--blob-2), transparent 70%),
    radial-gradient(680px 520px at 4% 98%, var(--blob-3), transparent 72%),
    radial-gradient(680px 520px at 96% 100%, var(--blob-4), transparent 72%),
    var(--bg);
}
h1, h2, h3, h4, h5, h6 { color: var(--text); font-weight: 700; line-height: 1.3; }
h1 { font-size: var(--fs-2xl); letter-spacing: -.2px; }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }
a { color: var(--primary-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
b, strong { font-weight: 700; color: var(--text); }
img, svg { display: inline-block; vertical-align: middle; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
table { border-collapse: collapse; }
hr { border: 0; border-top: 1px solid var(--border); margin: 12px 0; }
::selection { background: var(--primary-soft); color: var(--text); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }

/* Scrollbars */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- Numbers & bidi ----------
   .num  : رقم خالص (يُعرض من اليسار لليمين ويُحاذى يميناً في الجداول)
   <bdi> : لأي قيمة لاتينية وسط جملة عربية (اسم سائق، لوحة سيارة) */
.num { direction: ltr; unicode-bidi: isolate; font-variant-numeric: tabular-nums; }
td.num, th.num { text-align: right; }
.ltr { direction: ltr; unicode-bidi: isolate; }
.plate { direction: ltr; unicode-bidi: isolate; font-weight: 700; color: var(--text); white-space: nowrap; }

/* ---------- Text utilities ---------- */
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.text-1 { color: var(--text); }
.text-2 { color: var(--text-2); }
.text-3 { color: var(--text-3); }
.t-success { color: var(--success-text); }
.t-warning { color: var(--warning-text); }
.t-danger { color: var(--danger-text); }
.t-info { color: var(--info-text); }
.t-purple { color: var(--purple-text); }
.t-primary { color: var(--primary-strong); }
.fs-xs { font-size: var(--fs-xs); }
.fs-sm { font-size: var(--fs-sm); }
.fs-md { font-size: var(--fs-md); }
.fs-lg { font-size: var(--fs-lg); }
.fs-xl { font-size: var(--fs-xl); }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.nowrap { white-space: nowrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.center { text-align: center; }
.end { text-align: left; }
.label-sm { font-size: var(--fs-xs); color: var(--muted); }

/* ---------- Layout utilities ---------- */
.row { display: flex; gap: var(--gap); }
.row.wrap { flex-wrap: wrap; }
.row.center-y, .center-y { align-items: center; }
.col { display: flex; flex-direction: column; gap: var(--gap); }
.between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.items-center { align-items: center; }
.flex-1 { flex: 1; min-width: 0; }
.shrink-0 { flex-shrink: 0; }
.ms-auto { margin-inline-start: auto; }
.me-auto { margin-inline-end: auto; }
.gap-4 { gap: 4px; } .gap-6 { gap: 6px; } .gap-8 { gap: 8px; } .gap-10 { gap: 10px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; }
.mt-4 { margin-top: 4px; } .mt-8 { margin-top: 8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-4 { margin-bottom: 4px; } .mb-8 { margin-bottom: 8px; } .mb-12 { margin-bottom: 12px; } .mb-16 { margin-bottom: 16px; }
.p-0 { padding: 0 !important; }
.w-100 { width: 100%; }
.grid { display: grid; gap: var(--gap); }
.grid-2 { display: grid; gap: var(--gap); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: var(--gap); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { display: grid; gap: var(--gap); grid-template-columns: repeat(4, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
.hidden, [hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 1180px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); }
  /* أي شبكة بأعمدة مخصصة (style="grid-template-columns:…") تصبح عموداً واحداً على الشاشات الصغيرة */
  .grid[style*="grid-template-columns"] { grid-template-columns: minmax(0, 1fr) !important; }
  .span-2 { grid-column: auto; }
  .row.stack-sm { flex-direction: column; }
}
@media (max-width: 520px) {
  .grid-4 { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}