/* ECG Lab — Beta 1.1 performance pass.
   Reduces expensive compositor effects on mobile/coarse-pointer devices while
   preserving ECG tracing fidelity and the desktop visual design. */

@media (max-width: 900px), (pointer: coarse) {
  html {
    scroll-behavior: auto !important;
  }

  body.ui-v2 {
    background-attachment: scroll !important;
  }

  body.ui-v2 .sidebar,
  body.ui-v2 .topbar,
  body.ui-v2 .mobile-nav,
  body.ui-v2 .modal-backdrop,
  body.ui-v2 .sim-modal-backdrop,
  body.ui-v2 .cat-modal-backdrop,
  body.ui-v2 .toast,
  body.ui-v2 .ft2-panel,
  .sidebar,
  .modal-backdrop,
  .float-tag,
  .case-zoom-toolbar {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }

  body.ui-v2 .card {
    box-shadow: 0 8px 24px rgba(0,0,0,.16) !important;
  }

  body.ui-v2 .mobile-nav {
    box-shadow: 0 10px 28px rgba(0,0,0,.26) !important;
  }

  body.ui-v2 .btn,
  body.ui-v2 .chip,
  body.ui-v2 .answer,
  body.ui-v2 .nav button,
  body.ui-v2 .mobile-nav button,
  body.ui-v2 .language-options button,
  body.ui-v2 .auth-tabs button,
  body.ui-v2 .ft2-fab,
  body.ui-v2 .ft2-head nav button {
    transition-duration: 90ms !important;
  }

  body.ui-v2 .progress > i,
  body.ui-v2 .cat-progress i,
  body.ui-v2 .sim-progress i,
  body.ui-v2 .sim-progress-bar i,
  body.ui-v2 .perf-skill-bar i,
  body.ui-v2 .perf-xp-bar i {
    animation-duration: 180ms !important;
  }

  .pulse-ring {
    animation-duration: 1.8s !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}