/* ============================================================
   SPKS · الأساس
   خصائص منطقية فقط (inline-start/end) — فيعمل RTL و LTR بملف واحد
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.3; text-wrap: balance; }
h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }

a { color: var(--primary); text-decoration: none; }
b, strong { font-weight: 700; }
a:hover { text-decoration: underline; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; padding: 0; }
img { max-width: 100%; display: block; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: var(--r-sm); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: var(--r-full); border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); background-clip: content-box; }
:root[data-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--line); background-clip: content-box; }

.mono { font-family: var(--font-mono); font-size: .92em; direction: ltr; text-align: start; unicode-bidi: isolate; }
.num  { font-variant-numeric: tabular-nums; direction: ltr; unicode-bidi: isolate; display: inline-block; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.hidden { display: none !important; }

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