/* AUDIT-UNIT:UI-CSS-MOBILE-SHELL */
/* Mobile native shell — top route row + bottom result tabs (≤767px) */

/* ── Desktop: shell elements inert ── */
.app-bottom-nav,
.mobile-algo-chips {
  display: none;
}

.mobile-tools-list,
.mobile-tool-detail-bar {
  display: none;
}

/* ── Mobile browser + native shell ── */
@media (max-width: 767px) {
  .app-bottom-nav {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    align-items: stretch;
    justify-content: center;
    gap: 4px;
    min-height: 56px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--surface);
    border-top: 1px solid var(--border-hi);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.18);
  }

  .app-bottom-nav .nav-item {
    flex: 0 1 108px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0;
    min-height: 48px;
    min-width: 48px;
    max-width: 118px;
    padding: 6px 4px;
    border: none;
    border-radius: 10px;
    margin: 4px 2px;
    background: transparent;
    color: var(--text-muted);
    font-family: system-ui, -apple-system, Roboto, sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
    -webkit-tap-highlight-color: transparent;
  }

  .app-bottom-nav .nav-item[hidden] {
    display: none !important;
  }

  .app-bottom-nav .nav-item > span {
    line-height: 1.1;
    white-space: nowrap;
  }

  .app-bottom-nav .nav-item .nav-icon {
    display: none;
  }

  .app-bottom-nav .nav-item:hover:not(:disabled) {
    color: var(--text);
    background: var(--accent-dim);
  }

  .app-bottom-nav .nav-item.active {
    color: var(--accent);
    background: color-mix(in oklab, var(--accent) 12%, transparent);
    box-shadow: inset 0 -2px 0 var(--accent);
  }

  .app-bottom-nav .nav-item:disabled,
  .app-bottom-nav .nav-item[aria-disabled="true"] {
    opacity: 0.38;
    cursor: not-allowed;
    pointer-events: none;
  }

  .app {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    max-width: none;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) 0 env(safe-area-inset-left, 0px);
    overflow: hidden;
    box-sizing: border-box;
  }

  .app-content {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: var(--space-2) var(--space-3) calc(64px + env(safe-area-inset-bottom, 0px));
  }

  body.mobile-tab-tools .app-bottom-nav,
  body.mobile-tab-settings .app-bottom-nav {
    display: none !important;
  }

  body.mobile-tab-tools .app-content,
  body.mobile-tab-settings .app-content {
    padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
  }

  /* Hide desktop top nav on mobile — algo chips replace REC/Bühlmann/VPM */
  #mainNavBar {
    display: none !important;
  }

  /* Slim header */
  #headerTopRow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
  }

  #headerTopRow .brand-lockup {
    flex: 1 1 auto;
    min-width: 0;
    padding-left: 0;
  }

  #headerTopRow .brand-text p {
    display: none;
  }

  #headerBanner {
    display: none !important;
  }

  #headerTopRow .header-actions {
    display: inline-flex;
    order: 2;
    width: auto;
    margin-left: 0;
    padding: 0;
    gap: 8px;
    justify-content: flex-end;
    flex: 0 0 auto;
  }

  #headerTopRow .brand-logo {
    height: 36px;
  }

  #headerTopRow .brand-text h1 {
    font-size: 15px;
    letter-spacing: 1px;
  }

  header {
    flex-shrink: 0;
    padding: 0;
  }

  /* Route chips: REC / Bühlmann / VPM / Tools / Settings */
  .mobile-algo-chips {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: var(--space-2) var(--space-3) var(--space-2);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    flex-shrink: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    margin-top: 6px;
    z-index: 30;
  }

  .mobile-algo-chips::-webkit-scrollbar {
    display: none;
  }

  .mobile-algo-chip {
    flex-shrink: 0;
    min-height: 40px;
    min-width: 48px;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-med);
    background: var(--surface-2);
    color: var(--text-muted);
    font-family: system-ui, -apple-system, Roboto, sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-algo-chip:hover {
    color: var(--text);
    border-color: var(--accent);
  }

  .mobile-algo-chip.active {
    color: var(--accent);
    background: color-mix(in oklab, var(--accent) 14%, transparent);
    border-color: color-mix(in oklab, var(--accent) 35%, transparent);
    box-shadow: inset 0 -2px 0 var(--accent);
  }

  .planner-main.visible {
    display: block;
  }

  /* Allowed !important: mobile tab state is the shell owner for planner/results/tools/settings visibility. */
  body.mobile-tab-plan #plannerView {
    display: block !important;
  }

  body.mobile-tab-plan #recPlannerView.planner-mode-view.visible,
  body.mobile-tab-plan #tecPlannerView.planner-mode-view.visible {
    display: flex !important;
  }

  body.mobile-tab-plan #resultsPanel {
    display: none !important;
  }

  body.mobile-view-stack.mobile-tab-plan #resultsPanel.has-results {
    display: flex !important;
  }

  body.mobile-view-stack.mobile-tab-plan #recPlannerView.planner-mode-view.visible,
  body.mobile-view-stack.mobile-tab-plan #tecPlannerView.planner-mode-view.visible {
    display: flex !important;
  }

  body.mobile-tab-plan #settingsPageWrap,
  body.mobile-tab-plan #toolsPageWrap {
    display: none !important;
  }

  body.mobile-tab-plan .mobile-algo-chips {
    display: flex;
  }

  body.mobile-tab-plan #toolsBar {
    display: none !important;
  }

  body.mobile-tab-results #plannerView {
    display: block !important;
  }

  body.mobile-tab-results #recPlannerView,
  body.mobile-tab-results #tecPlannerView {
    display: none !important;
  }

  body.mobile-tab-results #resultsPanel.has-results {
    display: flex !important;
  }

  body.mobile-tab-results #resultsPanel:not(.has-results) {
    display: none !important;
  }

  body.mobile-tab-results #settingsPageWrap,
  body.mobile-tab-results #toolsPageWrap {
    display: none !important;
  }

  body.mobile-tab-results .mobile-algo-chips {
    display: flex;
  }

  body.mobile-tab-results #toolsBar {
    display: none !important;
  }

  body.mobile-tab-tools #plannerView,
  body.mobile-tab-tools #settingsPageWrap {
    display: none !important;
  }

  body.mobile-tab-tools #toolsPageWrap.visible,
  body.mobile-tab-tools #toolsPageWrap {
    display: flex !important;
  }

  body.mobile-tab-tools #toolsBar.visible,
  body.mobile-tab-tools #toolsBar {
    display: none !important;
  }

  body.mobile-tab-tools .mobile-algo-chips {
    display: flex !important;
  }

  body.mobile-tab-tools #toolsPageWrap {
    gap: 0;
  }

  body.mobile-tab-tools #toolsPageWrap.mobile-tool-list #toolsPanelMount {
    display: none !important;
  }

  body.mobile-tab-tools #toolsPageWrap.mobile-tool-list .mobile-tools-list {
    display: block;
  }

  body.mobile-tab-tools #toolsPageWrap.mobile-tool-list .mobile-tool-detail-bar {
    display: none;
  }

  body.mobile-tab-tools #toolsPageWrap.mobile-tool-detail .mobile-tools-list {
    display: none;
  }

  body.mobile-tab-tools #toolsPageWrap.mobile-tool-detail .mobile-tool-detail-bar {
    display: flex;
  }

  body.mobile-tab-tools #toolsPageWrap.mobile-tool-detail #toolsPanelMount {
    display: block;
  }

  .mobile-tools-list {
    display: none;
    width: 100%;
  }

  .mobile-tools-list-title {
    margin: 2px 0 10px;
    color: var(--text);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.01em;
  }

  .mobile-tool-row {
    width: 100%;
    min-height: 55px;
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) 18px;
    align-items: center;
    gap: 8px;
    padding: 10px 13px;
    border: 0;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--text);
    text-align: left;
    font-family: system-ui, -apple-system, Roboto, sans-serif;
    cursor: pointer;
  }

  .mobile-tool-row:first-of-type {
    border-top-left-radius: 14px;
    border-top-right-radius: 14px;
  }

  .mobile-tool-row:last-of-type {
    border-bottom: 0;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
  }

  .mobile-tool-row.active,
  .mobile-tool-row:active {
    background: color-mix(in oklab, var(--accent) 12%, var(--surface-2));
  }

  .mobile-tool-icon {
    color: var(--accent);
    font-size: 15px;
    text-align: center;
  }

  .mobile-tool-row strong {
    display: block;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.1;
  }

  .mobile-tool-row small {
    display: block;
    margin-top: 2px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.15;
  }

  .mobile-tool-chevron {
    color: var(--muted);
    font-size: 18px;
    text-align: right;
  }

  .mobile-tool-detail-bar {
    display: none;
    width: 100%;
    align-items: center;
    grid-template-columns: minmax(64px, 1fr) auto minmax(64px, 1fr);
    gap: 10px;
    margin: 0 0 12px;
    color: var(--text);
    font-weight: 800;
  }
  body.mobile-tab-tools #toolsPageWrap.mobile-tool-detail .mobile-tool-detail-bar {
    display: grid;
  }

  #mobileToolTitle {
    grid-column: 2;
    justify-self: center;
    text-align: center;
    font-size: 17px;
    line-height: 1.2;
    letter-spacing: -0.01em;
  }

  .mobile-tool-back {
    grid-column: 1;
    justify-self: start;
    min-height: 36px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--muted);
    font: inherit;
    font-size: 12px;
    font-weight: 700;
  }

  body.mobile-tab-settings #plannerView,
  body.mobile-tab-settings #toolsPageWrap {
    display: none !important;
  }

  body.mobile-tab-settings #settingsPageWrap.visible,
  body.mobile-tab-settings #settingsPageWrap {
    display: flex !important;
  }

  body.mobile-tab-settings #toolsBar {
    display: none !important;
  }

  body.mobile-tab-settings .mobile-algo-chips {
    display: flex !important;
  }

  #recResultTabs,
  #tecResultTabs {
    display: none !important;
  }

  .deco-gas-card .gas-card-grid {
    gap: 8px;
    align-items: flex-end;
  }

  .deco-gas-card .gas-card-grid .gas-f-mix {
    flex: 1 0 100%;
  }

  .deco-gas-card .gas-card-grid .gas-f-switch {
    flex: 1 1 128px;
    min-width: 112px;
  }

  .deco-gas-card .gas-card-grid .gas-f-num {
    flex: 0 0 58px;
    width: 58px;
    max-width: 58px;
  }

  .deco-gas-card .gas-card-grid .gas-f-num input,
  .deco-gas-card .gas-card-grid .gas-f-num select {
    min-width: 44px;
    padding-left: 4px;
    padding-right: 4px;
  }

  .deco-gas-card .gas-card-grid .switch-depth-display {
    font-size: 10px;
    padding-left: 6px;
    padding-right: 6px;
  }

  #ccrFieldsRow .form-grid {
    grid-template-columns: 1fr;
  }

  #ccrFieldsRow .circuit-mode-field,
  #ccrFieldsRow #ccrBailoutRow {
    grid-column: 1 / -1;
  }

  #ccrFieldsRow .circ-btns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  #ccrFieldsRow #ccrBailoutRow select {
    width: 100%;
  }

  #diluentGasCard .gas-card-grid {
    gap: 8px;
    align-items: flex-end;
  }

  #diluentGasCard .gas-card-grid .gas-f-mix {
    flex: 1 0 100%;
  }

  #diluentGasCard .gas-card-grid .gas-f-num {
    flex: 0 0 74px;
    width: 74px;
    max-width: 74px;
  }

  #diluentGasCard .gas-card-grid .gas-f-num input,
  #diluentGasCard .gas-card-grid .gas-f-num select {
    min-width: 44px;
    padding-left: 4px;
    padding-right: 4px;
  }

  /* Material touch targets */
  .stepper-btn,
  .gen-btn,
  .circ-btn,
  .gf-preset-btn,
  .cons-btn,
  .tools-bar-btn,
  .result-tab-btn,
  .option-pill-toggle,
  .theme-pill-toggle {
    min-height: 44px;
    min-width: 44px;
  }

  .header-ref-btn {
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
  }

  .settings-version-label {
    margin-top: 6px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    opacity: 0.72;
  }

  .settings-app-links {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }

  .settings-app-links-title {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
  }

  .settings-app-link-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px;
  }

  .settings-app-link-list a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-height: 40px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    text-decoration: none;
  }

  .settings-app-link-list .settings-donate-link {
    border-color: rgba(0, 112, 186, 0.45);
    color: #0070ba;
  }

  #mainVersionLabel {
    display: none !important;
  }

  .gen-btn {
    border-radius: 12px;
    min-height: 48px;
    font-family: system-ui, -apple-system, Roboto, sans-serif;
  }

  .input-card {
    border-radius: 12px;
  }

  /* Hide old web footer promo block in mobile shell; Settings owns app links. */
  .app-footer-promo,
  .app-shell-footer-links {
    display: none;
  }

  /* Theme variant B — Material elevated bottom bar */
  body.mobile-theme-material .app-bottom-nav {
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.28);
  }

  body.mobile-theme-material .app-bottom-nav .nav-item.active {
    box-shadow: none;
    background: color-mix(in oklab, var(--accent) 18%, transparent);
    border-radius: 12px;
  }
}

/* ── Android native-only stricter app behavior ── */
html.capacitor-native *,
html.android-webview * {
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

html.capacitor-native input,
html.capacitor-native textarea,
html.android-webview input,
html.android-webview textarea {
  user-select: text;
  -webkit-user-select: text;
}

@media (max-width: 767px) {
  html.capacitor-native,
  html.capacitor-native body,
  html.android-webview,
  html.android-webview body {
    position: fixed;
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
  }

  html.capacitor-native .app-bottom-nav,
  html.android-webview .app-bottom-nav {
    box-shadow: 0 -6px 28px rgba(0, 0, 0, 0.32);
  }

  html.capacitor-native .app-content,
  html.android-webview .app-content {
    overscroll-behavior-y: contain;
  }

  html.capacitor-native .app-footer-promo,
  html.android-webview .app-footer-promo {
    display: none !important;
  }
}