/* ================================================================
   Responsive — Breakpoint overrides (loads last)
   ================================================================ */

/* Hamburger button */
.hamburger {
  display: none;
  position: fixed;
  top: 14px; left: 14px;
  z-index: 60;
  width: 40px; height: 40px;
  border: 1px solid var(--border-2);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}
.hamburger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text-3);
  border-radius: 1px;
  transition: all .25s ease;
}

/* Sidebar backdrop */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  z-index: 40;
  opacity: 0;
  transition: opacity .3s ease;
}
.sidebar-backdrop.open {
  opacity: 1;
}

@media (max-width: 900px) {
  .hamburger { display: flex; }
  .sidebar-backdrop { display: block; pointer-events: none; }
  .sidebar-backdrop.open { pointer-events: auto; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform .3s cubic-bezier(.4, 0, .2, 1);
  }
  .sidebar.open {
    transform: translateX(0);
  }

  .main {
    margin-left: 0;
    padding: 60px 16px 48px;
  }
  .fg { grid-template-columns: 1fr; }
  .stats, .ess-breakdown { grid-template-columns: 1fr 1fr; }
  .cls-meta { flex-direction: column; gap: 12px; }
  .scorecard-layout { grid-template-columns: 1fr; }
  .sc-sidebar { position: static; }
  .nps-scale { flex-wrap: wrap; }
  .nps-btn {
    width: 44px;
    height: 44px;
    font-size: 16px;
    border-radius: 8px !important;
    border: 1px solid var(--border-2) !important;
  }
}