.metronome-view-section {
  width: min(100%, 1040px);
  margin-inline: auto;
  container-type: inline-size;
  --metro-accent: var(--accent-deep);
  --metro-line: var(--panel-border);
  --metro-transport-height: 52px;
}
.metronome-view-section *, .metronome-view-section *::before, .metronome-view-section *::after { box-sizing: border-box; }
.metro-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.metro-stage, .metro-card { min-width: 0; border: 1px solid var(--metro-line); background: var(--surface-card); border-radius: 20px; }
.metro-stage { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: clamp(16px, 3cqi, 28px); background: radial-gradient(ellipse at 50% 25%, var(--accent-soft), transparent 65%), var(--surface-card); box-shadow: var(--edge-light-soft); }
.metro-stage-top, .metro-card-heading, .metro-session { display: flex; width: 100%; justify-content: space-between; align-items: center; gap: 10px; }
.metro-eyebrow { color: var(--muted); font: 600 10px/1.4 var(--sans-stack); letter-spacing: .14em; }
.metro-state { color: var(--metro-accent); font-size: 11px; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.metro-state::before { content: ''; width: 6px; height: 6px; border: 1px solid currentColor; border-radius: 50%; }
.metro-is-playing .metro-state::before { background: currentColor; }
.metro-dial { position: relative; width: min(100%, var(--metro-dial-size, 360px)); aspect-ratio: 1; margin: 0; flex: none; container-type: inline-size; }
.metro-dial-art { display: block; width: 100%; height: 100%; overflow: visible; }
.metro-orbit-layer { position: absolute; inset: 0; transform-origin: 50% 50%; pointer-events: none; contain: layout paint; }
.metro-orbit-layer svg { display: block; width: 100%; height: 100%; }
.metro-is-playing .metro-orbit-layer { will-change: transform; }
.metro-dial-face { fill: var(--surface-card); stroke: var(--metro-line); stroke-width: 1; }
.metro-dial-marks { stroke: var(--muted); stroke-width: 1; opacity: .45; }
.metro-dial-major { stroke: var(--metro-accent); stroke-width: 2; }
.metro-dial-track { stroke: var(--metro-line); stroke-width: 1; fill: none; }
.metro-dial-orbit { fill: var(--metro-accent); stroke: var(--surface-card); stroke-width: 3; }
.metro-is-playing .metro-dial-orbit { filter: drop-shadow(0 0 4px var(--accent)); }
.metro-tempo-readout { position: absolute; inset: 25% 15%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
#metro-tempo { display: block; color: var(--ink); text-align: center; font: 500 clamp(32px, 28cqi, 96px)/1.15 var(--sans-stack); font-variant-numeric: tabular-nums; letter-spacing: -.065em; user-select: none; }
.metro-pulse-unit { color: var(--muted); font-size: 11px; margin-top: 10px; text-align: center; }
.metronome-view-section button, .metronome-view-section input, .metronome-view-section select { font-family: var(--sans-stack); }
.metronome-view-section button { cursor: pointer; touch-action: manipulation; }
.metronome-view-section button:focus-visible, .metronome-view-section input:focus-visible, .metronome-view-section select:focus-visible, .metronome-view-section summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.metro-tempo-controls { display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; align-items: center; gap: 10px; width: 100%; }
.metro-tempo-controls button, .metro-tap, .metro-reset-tempo, .metro-preset-save button { border: 1px solid var(--metro-line); background: var(--surface-card-muted); color: var(--ink); border-radius: 12px; min-height: 44px; padding: 8px 12px; box-shadow: none; }
.metro-tempo-controls button { font-size: 24px; padding: 0; }
.metro-reset-tempo { font-size: 13px; }
.metro-tap[aria-pressed='true'] { border-color: var(--accent); background: var(--accent-soft); color: var(--metro-accent); }
.metronome-view-section input[type='range'] { width: 100%; min-width: 0; min-height: 44px; margin: 0; padding: 0; accent-color: var(--accent); cursor: pointer; background: transparent; box-shadow: none; }
.metro-beats { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; width: 100%; margin: 20px 0 8px; }
.metro-beat { flex: 0 1 48px; min-width: 36px; min-height: 52px; padding: 6px 3px; display: flex; flex-direction: column; gap: 3px; align-items: center; justify-content: center; border: 1px solid var(--metro-line); border-radius: 12px; background: var(--surface-card); box-shadow: none; color: var(--ink); font-size: 15px; }
.metro-beat small { font-size: 9px; line-height: 1; color: var(--muted); }
.metro-beat[data-accent='2'] { border-color: var(--accent); background: var(--accent-soft); color: var(--metro-accent); }
.metro-beat[data-accent='2'] small { color: var(--metro-accent); }
.metro-beat[data-accent='0'] { border-style: dashed; color: var(--muted); }
.metro-beat.is-current { outline: 2px solid var(--accent); outline-offset: 2px; background: var(--accent); color: var(--page-bg); }
.metro-beat.is-current small { color: inherit; }
.metro-hint { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; text-align: center; }
.metro-align-start { text-align: start; margin-top: 8px; }
/* A definite track and flex basis prevent auto grid sizing from retaining a
   stretched landscape height when WebKit returns to portrait. Two compact
   label lines fit inside 44px with the explicit line height and padding. */
.metro-transport { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: var(--metro-transport-height); flex: 0 0 var(--metro-transport-height); height: var(--metro-transport-height); width: 100%; gap: 10px; margin-top: 0; }
.metro-transport button { height: var(--metro-transport-height); min-height: var(--metro-transport-height); max-height: var(--metro-transport-height); line-height: 1.25; overflow-wrap: anywhere; }
.metro-transport .metro-play { min-height: var(--metro-transport-height); display: flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--ink); border-radius: 14px; background: var(--ink); color: var(--page-bg); font-size: 15px; font-weight: 600; box-shadow: none; }
.metro-tap { font-size: 13px; font-weight: 600; }
.metro-session { border-top: 1px solid var(--metro-line); margin-top: 22px; padding-top: 16px; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.metro-status { grid-column: 1 / -1; margin: 0; padding: 10px 12px; width: 100%; border: 1px solid var(--metro-line); border-radius: 10px; background: var(--surface-card); text-align: start; font-size: 11px; line-height: 1.4; color: var(--muted); }
.metro-status[hidden] { display: none; }
.metro-settings { display: grid; gap: 12px; min-width: 0; }
.metro-secondary, .metro-secondary-main, .metro-secondary-training { display: contents; }
/* Preserve the portrait reading order when the column wrappers are flattened. */
.metro-feel { order: 1; }
.metro-sound-row { min-width: 0; }
.metro-secondary-main > section { order: 2; }
.metro-practice { order: 3; }
.metro-presets { order: 4; }
.metro-footnote { order: 5; }
.metro-card { padding: 20px; }
.metro-card-heading { margin-bottom: 16px; }
.metro-card h3 { margin: 0; color: var(--ink); font: 600 17px/1.3 var(--sans-stack); letter-spacing: -.02em; }
.metro-card h4 { color: var(--ink); font: 600 13px/1.4 var(--sans-stack); margin: 6px 0 -4px; }
.metro-field-grid, .metro-sound-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.metro-field { display: flex; min-width: 0; flex-direction: column; gap: 7px; color: var(--muted); font-size: 11px; }
.metro-field > span { display: flex; justify-content: space-between; gap: 6px; }
.metro-field input:not([type='range']), .metro-field select, .metro-preset-save input { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--metro-line); border-radius: 10px; background: var(--surface-card-muted); color: var(--ink); padding: 9px 10px; font-size: 16px; line-height: 1.3; box-shadow: none; }
.metro-field select { padding-right: 24px; font-size: 13px; }
.metro-field small, .metro-swing small { font-size: 10px; color: var(--muted); line-height: 1.5; }
.metro-field > small { display: block; width: 100%; justify-self: stretch; margin: 0; padding: 0; text-align: start; text-indent: 0; }
.metro-subdivision-field { min-width: 0; margin: 18px 0 14px; padding: 0; border: 0; }
.metro-subdivision-field legend { padding: 0; margin-bottom: 9px; font-size: 11px; color: var(--muted); }
.metro-subdivisions { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 5px; }
.metro-subdivisions button { display: flex; flex-direction: column; gap: 4px; justify-content: center; align-items: center; min-width: 0; min-height: 50px; padding: 7px 0; background: var(--surface-card-muted); border: 1px solid var(--metro-line); border-radius: 9px; color: var(--ink); box-shadow: none; font-size: 14px; }
.metro-subdivisions button[aria-pressed='true'] { border-color: var(--accent); background: var(--accent-soft); color: var(--metro-accent); }
.metro-mini-notes { font-size: 7px; letter-spacing: 1px; }
.metro-swing { display: flex; flex-direction: column; color: var(--muted); font-size: 11px; }
.metro-swing > span { display: flex; justify-content: space-between; }
.metro-swing input:disabled { opacity: .35; cursor: default; }
.metro-card-heading .metro-text-button { min-height: 32px; border: 1px solid var(--metro-line); border-radius: 8px; background: transparent; padding: 4px 10px; color: var(--muted); font-size: 11px; box-shadow: none; }
.metro-text-button[aria-pressed='true'] { background: var(--accent-soft); color: var(--metro-accent); border-color: var(--accent); }
.metro-card summary { cursor: pointer; color: var(--ink); font-size: 14px; font-weight: 600; line-height: 1.6; }
.metro-card summary span { display: block; color: var(--muted); font-weight: 400; font-size: 11px; padding-inline-start: 17px; }
.metro-detail-content { display: grid; gap: 16px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--metro-line); }
.metro-preset-save { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.metro-preset-save button { font-size: 12px; }
.metro-preset-list { display: grid; gap: 8px; }
.metro-preset { display: flex; min-width: 0; border: 1px solid var(--metro-line); border-radius: 10px; }
.metro-preset button { min-height: 44px; padding: 8px 12px; border: 0; background: transparent; color: var(--ink); box-shadow: none; }
.metro-preset button:first-child { flex: 1; min-width: 0; text-align: start; display: grid; gap: 4px; }
.metro-preset strong { font-size: 12px; overflow-wrap: anywhere; }
.metro-preset small { color: var(--muted); font-size: 10px; }
.metro-preset button:last-child { width: 44px; flex: none; }
.metro-footnote { color: var(--muted); font-size: 10px; line-height: 1.8; text-align: center; margin: 0; padding: 0 8px; }
body.metronome-active .main-view-heading-row { width: min(100%, 1040px); }
.display-shortcut-button-metronome svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
/* Seven navigation targets must fit narrow phones without pushing Menu offscreen. */
@media (max-width: 420px) {
  .web-app-shortcut-row { gap: 4px; }
  .web-app-shortcut-row > button { width: 36px; min-width: 36px; min-height: 44px; }
  .is-native-app .app-header-actions, .is-native-app .display-shortcut-actions { gap: 4px; }
  .is-native-app .app-header-actions { max-width: 100%; }
  .is-native-app .app-header-actions button { width: 36px; min-width: 36px; min-height: 40px; }
}
@container (max-width: 650px) {
  .metro-layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .metro-stage { padding: 16px; }
  .metro-tempo-controls { gap: 12px; }
  .metro-beats { margin-top: 14px; }
  .metro-session { margin-top: 16px; padding-top: 12px; }
  .metro-card { padding: 16px; }
}
@container (max-width: 300px) {
  .metro-stage, .metro-card { padding: 12px; }
  .metro-eyebrow { font-size: 9px; letter-spacing: .08em; }
  .metro-subdivisions { gap: 3px; }
  .metro-field-grid, .metro-sound-row { gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .metro-is-playing .metro-dial-orbit { filter: none; }
  [data-metro-orbit] { display: none; }
}

/* The main card always keeps the dial centered above tempo and transport. */
.metro-compact { --metro-transport-height: 44px; }
.metro-compact .metro-settings { display: contents; }
.metro-compact:not(.metro-stacked) .metro-settings { display: grid; }
.metro-compact .metro-layout { gap: 12px; }
.metro-stacked .metro-layout { grid-template-columns: minmax(0, 1fr); }
.metronome-view-section:not(.metro-stacked) .metro-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metro-compact .metro-stage { gap: 8px; padding: 12px; }
.metro-compact .metro-tempo-controls { grid-template-columns: 40px minmax(0, 1fr) 40px; gap: 10px; }
.metro-compact .metro-tempo-controls button { min-height: 44px; font-size: 22px; }
.metro-compact .metro-transport { gap: 6px; }
.metro-compact .metro-transport .metro-play, .metro-compact .metro-tap, .metro-compact .metro-reset-tempo { min-width: 0; min-height: 44px; padding: 6px; border-radius: 10px; font-size: 12px; gap: 5px; }
.metro-compact .metro-card { padding: 12px; }
.metro-compact .metro-card-heading { margin-bottom: 10px; }
.metro-compact .metro-rhythm > .metro-hint { display: none; }
.metro-compact .metro-rhythm .metro-subdivision-field { margin: 12px 0 0; }
.metro-compact .metro-rhythm .metro-subdivision-field legend { margin-bottom: 6px; }
.metro-compact .metro-subdivisions button { min-height: 44px; }
.metro-compact .metro-footnote { grid-column: 1 / -1; }
.metro-short .metro-stage { padding: 8px; gap: 4px; }
.metro-short .metro-stage-top, .metro-short .metro-pulse-unit { display: none; }
.metro-feedback .metro-beats { margin: 0 0 8px; }
.metro-feedback .metro-session { margin-top: 12px; padding-top: 10px; }
.metro-compact .metro-beats { gap: 4px; }
.metro-compact .metro-beat { flex-basis: 36px; min-width: 28px; min-height: 36px; padding: 4px 2px; font-size: 12px; gap: 2px; }
.metro-dense-beats .metro-beats { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); }
.metro-dense-beats .metro-beat { min-width: 0; }
/* Landscape: the dial spans the two primary cards; other settings fill both
   columns below them. Size containment lets the right-hand cards set row height. */
.metronome-view-section.metro-landscape .metro-settings { display: contents; }
.metro-landscape .metro-stage { grid-column: 1; grid-row: 1 / 3; align-self: stretch; contain: size; }
.metro-landscape .metro-feedback { grid-column: 2; grid-row: 1; }
.metro-landscape .metro-rhythm { grid-column: 2; grid-row: 2; }
.metro-landscape .metro-secondary { display: grid; grid-column: 1 / -1; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-items: start; }
.metro-landscape .metro-secondary-main, .metro-landscape .metro-secondary-training { display: grid; gap: 12px; min-width: 0; }
@media (max-width: 360px) {
  .metronome-active .web-app-shortcut-row,
  .metronome-active .app-header-actions,
  .metronome-active .display-shortcut-actions { gap: 3px; }
  .metronome-active .web-app-shortcut-row > button,
  .is-native-app.metronome-active .app-header-actions button { width: 32px; min-width: 32px; }
}

/* Fixed control rows keep native selects and number fields aligned. */
.metro-field-grid .metro-field { display: grid; grid-template-rows: minmax(14px, auto) 44px auto; align-content: start; }
.metro-field-grid .metro-field > span { align-self: end; }
.metro-field input:not([type='range']), .metro-field select, .metro-preset-save input { height: 44px; min-height: 44px; max-height: 44px; }
.metro-field select { font-size: 16px; }
/* Keep the secondary settings dense without shrinking text-entry font sizes. */
.metro-card.metro-practice { padding: 12px; }
.metro-practice .metro-detail-content { gap: 10px; margin-top: 10px; padding-top: 10px; }
.metro-practice .metro-field-grid { gap: 6px 8px; }
.metro-practice .metro-trainer-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.metro-practice .metro-field { gap: 4px; grid-template-rows: minmax(14px, auto) 36px auto; }
.metro-practice .metro-field input, .metro-practice .metro-field select { height: 36px; min-height: 36px; max-height: 36px; padding-block: 5px; padding-inline-start: 8px; border-radius: 8px; }
.metro-practice h4 { margin: 2px 0 -4px; font-size: 12px; }
.metro-practice .metro-hint { margin-top: 0; font-size: 10px; line-height: 1.4; }
.metronome-view-section .metro-feel[hidden] { display: none; }
.metronome-view-section.metro-pointer-input :is(input, select, button, summary):focus { outline: none; box-shadow: none; }
.metro-preset.is-selected { border-color: var(--accent); outline: 1px solid var(--accent); background: var(--accent-soft); }
.metro-preset.is-selected strong { color: var(--metro-accent); }
.metro-preset.is-selected strong::after { content: ' ✓'; }
.is-native-app .metro-footnote { display: none; }
@media (hover: none) and (pointer: coarse) { .metro-footnote { display: none; } }