/* ═══════════════════════════════════════════════════════════
   BURJ LUMEN — Base / Reset
═══════════════════════════════════════════════════════════ */

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

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

body {
  font-family: var(--font);
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
  overflow: hidden;
}

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
input { font: inherit; color: inherit; }
svg { display: block; }

/* Numbers: tabular for clean data alignment */
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }

/* Scrollbars */
.scroll-thin { scrollbar-width: thin; scrollbar-color: var(--hairline-strong) transparent; }
.scroll-thin::-webkit-scrollbar { width: 8px; height: 8px; }
.scroll-thin::-webkit-scrollbar-thumb { background: var(--hairline-strong); border-radius: 999px; }
.scroll-thin::-webkit-scrollbar-track { background: transparent; }
.scroll-none { scrollbar-width: none; }
.scroll-none::-webkit-scrollbar { display: none; }

/* Selection */
::selection { background: var(--brand-soft); color: var(--brand-strong); }

/* Focus ring */
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

/* Helpers */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.hide { display: none !important; }
[hidden] { display: none !important; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}