/* Friday Backtest mobile polish for Telegram real-phone viewport. */
@media (max-width: 520px) {
  body.backtest-mode {
    --backtest-bottom-nav-space: calc(140px + env(safe-area-inset-bottom, 0px)) !important;
  }

  body.backtest-mode .app-shell,
  body.backtest-mode .app-main,
  body.backtest-mode .view-section.is-active,
  body.backtest-mode .view-section[data-view="accounts"].is-active,
  body.backtest-mode .account-section {
    padding-bottom: var(--backtest-bottom-nav-space) !important;
    overflow-x: hidden !important;
  }

  body.backtest-mode .bottom-nav {
    left: max(10px, env(safe-area-inset-left, 0px)) !important;
    right: max(10px, env(safe-area-inset-right, 0px)) !important;
    bottom: max(10px, env(safe-area-inset-bottom, 0px)) !important;
    transform: none !important;
    width: auto !important;
    max-width: none !important;
    min-height: 76px !important;
    padding: 6px !important;
    border-radius: 24px !important;
    z-index: 300 !important;
  }

  body.backtest-mode .nav-button {
    min-width: 0 !important;
    min-height: 62px !important;
    padding: 6px 4px !important;
    border-radius: 20px !important;
  }

  body.backtest-mode .backtest-session-panel {
    gap: 18px !important;
    margin: 10px 0 34px !important;
    padding: 22px 14px 26px !important;
    border: 0 !important;
    border-top: 1px solid rgba(150, 170, 205, 0.12) !important;
    border-bottom: 1px solid rgba(150, 170, 205, 0.12) !important;
    border-radius: 0 !important;
    background: #0f1722 !important;
    box-shadow: none !important;
  }

  body.backtest-mode .backtest-session-copy {
    gap: 8px !important;
  }

  body.backtest-mode .backtest-session-copy .eyebrow {
    font-size: 13px !important;
    letter-spacing: 0.12em !important;
    line-height: 1.2 !important;
  }

  body.backtest-mode .backtest-session-copy h4 {
    max-width: 12ch !important;
    font-size: 24px !important;
    line-height: 1.08 !important;
  }

  body.backtest-mode .backtest-session-form {
    gap: 18px !important;
  }

  body.backtest-mode .backtest-config-step {
    gap: 14px !important;
    padding: 0 0 18px !important;
    border-top: 0 !important;
    border-bottom: 1px solid rgba(150, 170, 205, 0.14) !important;
    background: transparent !important;
  }

  body.backtest-mode .backtest-config-step:last-of-type {
    padding-bottom: 0 !important;
    border-bottom: 0 !important;
  }

  body.backtest-mode .backtest-config-step legend {
    display: grid !important;
    grid-template-columns: 24px minmax(0, 1fr) !important;
    gap: 10px !important;
    width: 100% !important;
    padding: 0 !important;
    font-size: 16px !important;
    line-height: 1.15 !important;
  }

  body.backtest-mode .backtest-config-step legend b {
    width: 24px !important;
    height: 24px !important;
    font-size: 12px !important;
  }

  body.backtest-mode .backtest-allocation-presets {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }

  body.backtest-mode .backtest-allocation-chip,
  body.backtest-mode .backtest-period-presets button {
    min-height: 42px !important;
    border-radius: 10px !important;
    font-size: 13px !important;
  }

  body.backtest-mode .backtest-custom-allocation,
  body.backtest-mode .backtest-market-field {
    max-width: none !important;
  }

  body.backtest-mode .backtest-session-form label {
    gap: 8px !important;
  }

  body.backtest-mode .backtest-session-form label span {
    font-size: 11px !important;
    line-height: 1.2 !important;
  }

  body.backtest-mode .backtest-session-form input,
  body.backtest-mode .backtest-session-form select {
    min-height: 48px !important;
    border-radius: 12px !important;
    font-size: 16px !important;
  }

  body.backtest-mode .backtest-option-row {
    grid-template-columns: minmax(0, 1fr) 56px !important;
    align-items: center !important;
    gap: 14px !important;
    min-height: 76px !important;
    padding: 14px 14px 14px 16px !important;
    border: 1px solid rgba(140, 160, 190, 0.15) !important;
    border-radius: 18px !important;
    background:
      linear-gradient(180deg, rgba(17, 24, 34, 0.96), rgba(11, 16, 24, 0.96)) !important;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.035),
      0 10px 24px rgba(0, 0, 0, 0.16) !important;
  }

  body.backtest-mode .backtest-option-row input {
    position: relative !important;
    width: 54px !important;
    height: 32px !important;
    min-width: 54px !important;
    min-height: 32px !important;
    margin: 0 !important;
    border: 1px solid rgba(145, 160, 184, 0.22) !important;
    border-radius: 999px !important;
    background: #252c38 !important;
    box-shadow:
      inset 0 1px 2px rgba(0, 0, 0, 0.35),
      inset 0 0 0 1px rgba(255, 255, 255, 0.025) !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease !important;
  }

  body.backtest-mode .backtest-option-row input::after {
    content: "" !important;
    position: absolute !important;
    top: 3px !important;
    left: 3px !important;
    width: 24px !important;
    height: 24px !important;
    border-radius: 999px !important;
    background: #d7dde7 !important;
    box-shadow:
      0 2px 6px rgba(0, 0, 0, 0.28),
      inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
    opacity: 1 !important;
    transform: translateX(0) !important;
    transition: transform 160ms ease, background 160ms ease !important;
  }

  body.backtest-mode .backtest-option-row input:checked {
    border-color: rgba(91, 140, 255, 0.72) !important;
    background: linear-gradient(135deg, #2f6fed, #6b8cff) !important;
    box-shadow:
      0 0 0 4px rgba(91, 140, 255, 0.12),
      inset 0 1px 0 rgba(255, 255, 255, 0.16) !important;
  }

  body.backtest-mode .backtest-option-row input:checked::after {
    background: #ffffff !important;
    transform: translateX(22px) !important;
  }

  body.backtest-mode .backtest-option-row:has(input:checked) {
    border-color: rgba(91, 140, 255, 0.28) !important;
    background:
      linear-gradient(180deg, rgba(24, 38, 64, 0.98), rgba(13, 20, 34, 0.98)) !important;
  }

  body.backtest-mode .backtest-option-row strong {
    font-size: 15px !important;
    line-height: 1.15 !important;
  }

  body.backtest-mode .backtest-option-row small {
    font-size: 12px !important;
    line-height: 1.25 !important;
  }

  body.backtest-mode .backtest-period-presets {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }

  body.backtest-mode .backtest-date-range {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    width: 100% !important;
  }

  body.backtest-mode .backtest-date-range label {
    min-width: 0 !important;
  }

  body.backtest-mode .backtest-date-range input {
    min-width: 0 !important;
    height: 48px !important;
    padding: 0 12px !important;
    font-size: 15px !important;
    text-align: left !important;
    color-scheme: dark !important;
  }

  body.backtest-mode .backtest-date-range input::-webkit-calendar-picker-indicator {
    display: block !important;
    width: 18px !important;
    height: 18px !important;
    margin-left: 8px !important;
    opacity: 0.72 !important;
    filter: invert(1) opacity(0.78) !important;
  }

  body.backtest-mode .backtest-config-submit {
    gap: 14px !important;
    padding: 18px 0 0 !important;
  }

  body.backtest-mode .backtest-config-submit > div {
    grid-template-columns: 1fr !important;
    gap: 6px !important;
  }

  body.backtest-mode .backtest-config-submit strong {
    font-size: 20px !important;
    line-height: 1.1 !important;
  }

  body.backtest-mode .backtest-config-submit span {
    font-size: 12px !important;
    line-height: 1.25 !important;
    text-align: left !important;
    white-space: normal !important;
  }

  body.backtest-mode .backtest-config-submit .button {
    min-height: 56px !important;
    border-radius: 14px !important;
    font-size: 20px !important;
  }

  body.backtest-mode .account-section-head {
    margin-top: 22px !important;
    padding: 0 14px !important;
  }

  body.backtest-mode .backtest-session-sort {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    width: 100% !important;
    min-width: 0 !important;
    padding: 12px !important;
    border: 1px solid rgba(130, 150, 180, 0.14) !important;
    border-radius: 18px !important;
    background: rgba(255, 255, 255, 0.035) !important;
  }

  body.backtest-mode .backtest-session-sort > span {
    color: #8c9ab0 !important;
    font-size: 11px !important;
    font-weight: 900 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
  }

  body.backtest-mode .backtest-session-sort select {
    width: 100% !important;
    min-height: 46px !important;
    padding: 0 42px 0 14px !important;
    border: 1px solid rgba(150, 170, 205, 0.18) !important;
    border-radius: 14px !important;
    outline: 0 !important;
    background:
      linear-gradient(135deg, rgba(33, 43, 58, 0.98), rgba(14, 20, 29, 0.98)) !important;
    color: #f4f7fb !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    font-size: 15px !important;
    font-weight: 900 !important;
    line-height: 1 !important;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
  }

  body.backtest-mode .backtest-sort-options {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 8px !important;
    width: 100% !important;
  }

  body.backtest-mode .backtest-sort-chip {
    min-width: 0 !important;
    min-height: 42px !important;
    padding: 0 10px !important;
    border: 1px solid rgba(150, 170, 205, 0.15) !important;
    border-radius: 14px !important;
    background: rgba(8, 12, 18, 0.72) !important;
    color: #aeb9c8 !important;
    font-size: 13px !important;
    font-weight: 900 !important;
    line-height: 1 !important;
  }

  body.backtest-mode .backtest-sort-chip.is-active {
    border-color: rgba(95, 140, 255, 0.8) !important;
    background: #1b3973 !important;
    color: #ffffff !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 10px 22px rgba(36, 94, 230, 0.2) !important;
  }
}

@media (max-width: 380px) {
  body.backtest-mode .backtest-date-range {
    grid-template-columns: 1fr !important;
  }
}