@media (max-width: 680px) {
  :root {
    --fib-appbar-h: 58px;
    --fib-nav-h: 64px;
    --fib-bg: #06131f;
    --fib-panel: #071a29;
    --fib-control: #081827;
    --fib-line: #24445f;
  }

  html, body {
    background: var(--fib-bg);
    overscroll-behavior-y: none;
  }

  body {
    padding-bottom: calc(var(--fib-nav-h) + 12px + env(safe-area-inset-bottom));
  }

  .fib-shell {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: calc(var(--fib-appbar-h) + env(safe-area-inset-top) + 8px) 8px 18px;
  }

  .fib-header,
  .chart-heading,
  .chart-toolbar,
  .control-card,
  #message:not(.error) {
    display: none !important;
  }

  .mobile-app-bar {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    height: calc(var(--fib-appbar-h) + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) 10px 0;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: center;
    gap: 4px;
    background: rgba(5, 21, 34, .98);
    border-bottom: 1px solid var(--fib-line);
    box-shadow: none;
    backdrop-filter: blur(14px);
  }

  .mobile-app-bar > a {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: #eef7ff;
    text-decoration: none;
    font-size: 32px;
    line-height: 1;
  }

  .mobile-app-quote {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    min-width: 0;
    height: 100%;
  }

  .mobile-app-quote strong,
  .mobile-app-quote span,
  .mobile-app-quote small {
    min-width: 0;
    margin: 0;
    padding: 0 4px;
    overflow: hidden;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-app-quote strong {
    color: #f3f8fd;
    font-size: 16px;
    font-weight: 800;
  }

  .mobile-app-quote span {
    color: #20bff5;
    font-size: 17px;
    font-weight: 800;
  }

  .mobile-app-quote small {
    color: #93a8bc;
    font-size: 10px;
  }

  #workspace {
    display: block;
  }

  .market-strip {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
    margin: 0 0 8px !important;
    padding: 0 !important;
    overflow: visible !important;
    border: 0 !important;
    background: transparent !important;
  }

  .market-strip > div:nth-child(1),
  .market-strip > div:nth-child(2),
  .market-strip > div:nth-child(5) {
    display: none !important;
  }

  .market-strip > div:nth-child(3),
  .market-strip > div:nth-child(4) {
    display: grid !important;
    grid-template-columns: auto minmax(0, 1fr) auto !important;
    align-items: center !important;
    gap: 6px !important;
    min-width: 0 !important;
    min-height: 44px !important;
    padding: 8px 10px !important;
    border: 1px solid var(--fib-line) !important;
    border-radius: 13px !important;
    background: var(--fib-panel) !important;
  }

  .market-strip > div:nth-child(3) span { color: #34d399 !important; }
  .market-strip > div:nth-child(4) span { color: #fb7185 !important; }

  .market-strip span {
    min-width: 0;
    overflow: hidden;
    font-size: 10px !important;
    font-weight: 800 !important;
    letter-spacing: 0 !important;
    text-overflow: ellipsis;
    text-transform: none !important;
    white-space: nowrap;
  }

  .market-strip strong {
    min-width: 0;
    overflow: hidden;
    color: #f3f7fb !important;
    font-size: 13px !important;
    font-weight: 800 !important;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .market-strip small {
    color: #9eb0c1 !important;
    font-size: 9px !important;
    white-space: nowrap;
  }

  .chart-card {
    margin: 0 0 10px !important;
    padding: 7px !important;
    overflow: hidden !important;
    border: 1px solid var(--fib-line) !important;
    border-radius: 15px !important;
    background: var(--fib-panel) !important;
  }

  .compact-chart-controls {
    display: grid !important;
    grid-template-columns: minmax(0, 1.15fr) 70px minmax(0, 1fr) 76px 44px !important;
    gap: 6px !important;
    align-items: center !important;
    margin: 0 0 7px !important;
    padding: 7px !important;
    border: 1px solid var(--fib-line) !important;
    border-radius: 13px !important;
    background: var(--fib-panel) !important;
  }

  .compact-chart-controls label {
    display: block !important;
    min-width: 0 !important;
    margin: 0 !important;
  }

  .compact-chart-controls .sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }

  .compact-chart-controls select,
  .compact-chart-controls button {
    width: 100% !important;
    min-width: 0 !important;
    height: 40px !important;
    min-height: 40px !important;
    margin: 0 !important;
    padding: 0 8px !important;
    overflow: hidden;
    border: 1px solid #294a66 !important;
    border-radius: 10px !important;
    background: var(--fib-control) !important;
    color: #edf6fd !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .compact-chart-controls .compact-reset {
    width: 44px !important;
    min-width: 44px !important;
    padding: 0 !important;
    font-size: 20px !important;
  }

  #compactAutoScaleButton { display: none !important; }

  .chart-stage {
    height: clamp(520px, 68dvh, 760px) !important;
    min-height: 520px !important;
    margin: 0 !important;
    overflow: hidden !important;
    border: 1px solid #203d55 !important;
    border-radius: 14px !important;
    background: #05131f !important;
    contain: layout paint;
    touch-action: none;
  }

  #priceChart {
    touch-action: none !important;
    user-select: none;
    -webkit-user-select: none;
  }

  .fib-legend {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0 !important;
    margin: 8px 0 0 !important;
    padding: 8px 10px !important;
    border: 1px solid var(--fib-line) !important;
    border-radius: 13px !important;
    background: #061522 !important;
  }

  .fib-legend span {
    display: flex !important;
    justify-content: space-between !important;
    gap: 8px !important;
    min-width: 0 !important;
    padding: 5px 8px !important;
    background: transparent !important;
    color: #dce8f2 !important;
    font-size: 11px !important;
  }

  .mobile-bottom-nav {
    position: fixed !important;
    z-index: 102 !important;
    left: 8px !important;
    right: 8px !important;
    bottom: max(8px, env(safe-area-inset-bottom)) !important;
    height: 60px !important;
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    padding: 5px !important;
    border: 1px solid #294a66 !important;
    border-radius: 18px !important;
    background: rgba(5, 22, 36, .98) !important;
    box-shadow: 0 14px 34px rgba(0, 0, 0, .42) !important;
    backdrop-filter: blur(16px);
  }

  .mobile-bottom-nav button {
    border: 0 !important;
    border-radius: 13px !important;
    background: transparent !important;
    color: #8ea4b8 !important;
    font-size: 10px !important;
    font-weight: 700 !important;
  }

  .mobile-bottom-nav button.active {
    background: #07375b !important;
    color: #21c5ff !important;
  }

  .table-card,
  .levels-card {
    scroll-margin-top: calc(var(--fib-appbar-h) + env(safe-area-inset-top) + 8px);
  }
}

@media (max-width: 430px) {
  .compact-chart-controls {
    grid-template-columns: minmax(0, 1.08fr) 64px minmax(0, .95fr) 70px 42px !important;
    gap: 5px !important;
    padding: 6px !important;
  }

  .compact-chart-controls select,
  .compact-chart-controls button {
    padding-left: 6px !important;
    padding-right: 6px !important;
    font-size: 11px !important;
  }

  .market-strip > div:nth-child(3),
  .market-strip > div:nth-child(4) {
    padding: 7px 8px !important;
  }
}

@media (min-width: 681px) {
  .mobile-app-bar,
  .mobile-bottom-nav,
  .compact-chart-controls {
    display: none !important;
  }
}