/* ==========================================================================
   CHITTARA — RESPONSIVE FINE-TUNING
   Breakpoints: 1920 / 1440 / 1024 / 768 / 430 / 390 / 360
   ========================================================================== */

html, body { max-width: 100%; overflow-x: hidden; }

@media (max-width: 1024px) {
  .container { padding: 0 var(--space-5); }
  .hero-grid { gap: var(--space-6); }
}

@media (max-width: 768px) {
  .section { padding: var(--space-7) 0; }
  .grid-4, .grid-3 { grid-template-columns: 1fr 1fr; }
  .profile-hero-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .dash-main { padding: var(--space-5) var(--space-4); }
}

@media (max-width: 430px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: var(--fs-2xl); }
  .btn { padding: 12px 20px; font-size: var(--fs-xs); }
  .section-head { flex-direction: column; align-items: flex-start; }
  .steps { grid-template-columns: 1fr; }
  table.data-table { min-width: 520px; }
}

/* Touch targets */
@media (hover: none) {
  .btn, .chip, .role-pill, .category-pill { min-height: 40px; }
}

/* Mobile bottom nav (public site, small screens) */
.mobile-bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  z-index: var(--z-header);
  padding: 8px 0 max(8px, env(safe-area-inset-bottom));
}
.mobile-bottom-nav .container { display: flex; justify-content: space-between; padding: 0 var(--space-5); }
.mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 10px; color: var(--color-text-muted); }
.mobile-bottom-nav a.active { color: var(--color-violet); }
@media (max-width: 640px) {
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: 64px; }
}