/* ============================================================
   BTECH Assessment Platform — Shared Design Tokens v4.0
   Imported by all pages for consistent theming
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&family=Montserrat:wght@300;400;500;600;700&family=Orbitron:wght@400;600;700;900&family=Inter:wght@300;400;500;600&display=swap');

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(139,92,246,.3); border-radius: 2px; }

/* ── Selection ── */
::selection {
  background: rgba(0,255,255,.2);
  color: #fff;
}

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── Loader Spinner ── */
.spin {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,255,255,.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}