html {
  height: var(--app-vh, 100dvh);
  overflow: hidden;
}

body {
  height: var(--app-vh, 100dvh);
  max-height: var(--app-vh, 100dvh);
  overflow: hidden;
  overscroll-behavior: none;
}

.app {
  width: 100%;
  max-width: 100%;
  min-height: var(--app-vh, 100dvh);
  max-height: var(--app-vh, 100dvh);
}

.app.app--crash-view {
  max-width: 100%;
}

.views {
  min-height: 0;
  flex: 1;
  max-height: calc(var(--app-vh, 100dvh) - var(--safe-t, 0px));
}

@media (max-width: 380px) {
  :root {
    --gu-pad-x: 10px;
    --topbar-h: 48px;
    --gu-nav-bottom: 14px;
    --gu-nav-label-size: 9px;
    --gu-nav-img: 19px;
  }

  .views {
    padding-left: 10px;
    padding-right: 10px;
  }

  .app.app--crash-view .views {
    padding-left: 0;
    padding-right: 0;
  }

  .topbar,
  .crash-topbar {
    padding-left: 10px !important;
    padding-right: 10px !important;
  }

  .balance-pill__amount {
    font-size: 12px;
    min-width: 28px;
  }

  .balance-pill__add {
    width: 26px;
    height: 26px;
    font-size: 16px;
  }

  .cases-grid {
    gap: 8px;
  }

  .case-card {
    min-height: clamp(130px, 40vw, 168px);
    padding: 10px;
  }

  .bottom-nav--giftup {
    width: calc(100% - 16px);
    max-width: none;
    left: 8px;
    right: 8px;
    transform: none;
  }

  .app.app--crash-view::after {
    left: 0;
    right: 0;
    transform: none;
    max-width: 100%;
  }
}

@media (max-width: 340px) {
  .crash-arena__mult--countdown,
  .crash-arena--prelaunch .crash-arena__mult {
    font-size: clamp(52px, 18vw, 88px);
  }

  .leaderboard__row {
    grid-template-columns: 28px 36px 1fr auto;
    gap: 6px;
    padding: 8px 10px;
  }

  .deposit-sheet,
  .lang-sheet,
  .crash-bet-sheet {
    max-width: 100%;
    border-radius: 18px 18px 0 0;
  }
}

@media (max-height: 700px) {
  .crash-stage {
    grid-template-rows: minmax(0, 56fr) minmax(0, 44fr);
  }

  .crash-bottom-wrap {
    max-height: 42vh;
  }

  .season-hero {
    min-height: 120px;
    max-height: 160px;
  }

  .referrals-card {
    min-height: 160px;
  }
}

@media (max-height: 580px) {
  .crash-stage {
    grid-template-rows: minmax(0, 54fr) minmax(0, 46fr);
  }

  .crash-bottom-wrap {
    max-height: 40vh;
  }

  .crash-bets-panel {
    min-height: 56px;
  }

  .crash-bets-panel__empty {
    padding: 20px 16px;
  }

  .btn--crash-bet {
    padding: 12px 16px;
    font-size: 15px;
  }
}

@media (max-width: 360px) and (max-height: 640px) {
  .crash-controls-strip {
    gap: 6px;
  }

  .multiplier-row .mult {
    padding: 6px 10px;
    font-size: 11px;
  }
}

@media (max-width: 380px) {
  .app.app--view-cases .cases-grid {
    gap: 8px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app.app--view-cases .case-card {
    min-height: clamp(150px, 44vw, 190px);
    padding: 8px 8px 6px;
    border-radius: 16px;
  }
}

@media (max-width: 320px) {
  .app.app--view-cases .cases-grid {
    gap: 6px;
  }

  .case-badge {
    font-size: 10px;
    padding: 3px 6px;
  }
}

@media (min-width: 520px) {
  .app {
    max-width: var(--app-max, 480px);
  }

  .app.app--crash-view {
    max-width: var(--app-max, 480px);
  }
}

/* Mobile / touch: reduce GPU-heavy effects */
@media (pointer: coarse) {
  .bottom-nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(10, 12, 16, 0.96) !important;
  }

  .crash-topbar .pill--players-online,
  .crash-topbar .balance-pill,
  .icon-btn--settings,
  .daily-spin-fab.icon-btn {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .crash-arena__rocket-wrap {
    filter: none !important;
  }
}