:root {
  --bg: #0d0d0d;
  --panel: #141414;
  --panel-2: #101010;
  --border: #2a2a2a;
  --accent: #e8c84a;
  --accent2: #e87a4a;
  --text: #f0ede4;
  --muted: #555;
  --muted-2: #8e887d;
  --chord-display: #1a1a1a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { min-height: 100%; }

body {
  background:
    radial-gradient(circle at top left, rgba(232, 200, 74, 0.08), transparent 26%),
    radial-gradient(circle at bottom right, rgba(232, 122, 74, 0.07), transparent 24%),
    var(--bg);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  min-height: 100vh;
  padding: 18px;
  overflow: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.app {
  position: relative;
  z-index: 1;
  width: 100%;
  height: calc(100vh - 36px);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 18px;
}

.header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(18, 18, 18, 0.92);
  backdrop-filter: blur(18px);
}

.header-copy {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.header h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.8rem;
  letter-spacing: 3px;
  color: var(--accent);
  line-height: 1;
}

.header .sub {
  font-size: 0.65rem;
  color: var(--muted-2);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.session-timer {
  font-size: 0.9rem;
  color: var(--muted-2);
  letter-spacing: 1px;
  justify-self: end;
  transition: color 0.2s;
}

.session-timer.running { color: var(--accent); }

.mobile-tabs {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #111;
}

.mobile-tab {
  border: 0;
  background: transparent;
  color: var(--muted-2);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 2px;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
}

.mobile-tab.active {
  background: var(--accent);
  color: #0f0f0f;
}

.app-shell {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(360px, 34vw) 1fr;
  gap: 18px;
}

.app-pane {
  min-height: 0;
}

.config-pane {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: 18px;
}

.play-pane {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 18px;
}

.play-topbar {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(260px, 1fr) minmax(240px, 300px);
  gap: 18px;
}

.panel,
.speedup-panel,
.chord-stage {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(20, 20, 20, 0.92);
}

.panel {
  padding: 20px;
}

.mobile-section-toggle {
  display: none;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  cursor: pointer;
}

.mobile-section-toggle .panel-label {
  margin-bottom: 0;
}

.mobile-section-chevron {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 1px;
  transition: transform 0.2s ease;
}

.mobile-collapsible.is-collapsed .mobile-section-chevron {
  transform: rotate(-90deg);
}

.mobile-section-body {
  display: contents;
}

.panel-fill {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.selector-panel #chordSelector {
  flex: 1;
  min-height: 0;
}

.selector-panel #chordSelector,
.suffix-grid {
  scrollbar-width: thin;
  scrollbar-color: rgba(232, 200, 74, 0.45) rgba(255, 255, 255, 0.04);
}

.selector-panel #chordSelector::-webkit-scrollbar,
.suffix-grid::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.selector-panel #chordSelector::-webkit-scrollbar-track,
.suffix-grid::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
}

.selector-panel #chordSelector::-webkit-scrollbar-thumb,
.suffix-grid::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(232, 200, 74, 0.55), rgba(232, 122, 74, 0.45));
  border: 2px solid rgba(17, 17, 17, 0.9);
  border-radius: 999px;
}

.selector-panel #chordSelector::-webkit-scrollbar-thumb:hover,
.suffix-grid::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(232, 200, 74, 0.78), rgba(232, 122, 74, 0.62));
}

.compact-panel {
  padding: 18px 20px;
}

.panel-label {
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.bpm-display {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bpm-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.8rem;
  color: var(--accent);
  min-width: 74px;
  letter-spacing: 1px;
}

.bpm-unit {
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 2px;
}

input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  margin-top: 10px;
  cursor: pointer;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.1s;
}

input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.3); }

.beat-card-copy {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.beat-row { display: flex; gap: 10px; align-items: center; }

.beat-label {
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  min-width: 80px;
}

.beat-dots { display: flex; gap: 8px; }

.beat-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: transparent;
  transition: all 0.05s ease;
}

.beat-dot.beat1 { border-color: var(--accent); }

.beat-dot.lit {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent), 0 0 20px rgba(232,200,74,0.3);
}

.beat-dot.lit.accent {
  background: var(--accent2);
  border-color: var(--accent2);
  box-shadow: 0 0 10px var(--accent2), 0 0 24px rgba(232,122,74,0.4);
}

.beat-legend {
  font-size: 0.55rem;
  color: var(--muted);
  letter-spacing: 1.5px;
  line-height: 1.6;
}

.speedup-panel {
  overflow: hidden;
  transition: border-color 0.2s;
}

.speedup-panel.enabled { border-color: rgba(232,200,74,0.4); }

.speedup-header {
  background: var(--panel);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  user-select: none;
}

.speedup-header:hover { background: #1a1a1a; }

.toggle-wrap { position: relative; width: 36px; height: 20px; flex-shrink: 0; }
.toggle-wrap input { opacity: 0; width: 0; height: 0; position: absolute; }

.toggle-track {
  position: absolute;
  inset: 0;
  background: #2a2a2a;
  border-radius: 10px;
  transition: background 0.2s;
  cursor: pointer;
}

.toggle-track::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  top: 3px;
  left: 3px;
  background: #555;
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}

.toggle-wrap input:checked + .toggle-track {
  background: rgba(232,200,74,0.25);
  border: 1px solid var(--accent);
}

.toggle-wrap input:checked + .toggle-track::after {
  transform: translateX(16px);
  background: var(--accent);
}

.speedup-title,
.focus-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 3px;
}

.speedup-title {
  color: var(--muted);
  transition: color 0.2s;
  flex: 1;
}

.speedup-panel.enabled .speedup-title { color: var(--accent); }

.speedup-body {
  background: #111;
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.speedup-body.open { max-height: 320px; padding: 16px 20px 20px; }

.speedup-params {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.param-group { display: flex; flex-direction: column; gap: 6px; }
.param-label { font-size: 0.55rem; letter-spacing: 2px; color: var(--muted); text-transform: uppercase; }
.param-value-row { display: flex; align-items: center; gap: 6px; }

.param-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.7rem;
  color: var(--text);
  min-width: 40px;
  letter-spacing: 1px;
  transition: color 0.2s;
}

.speedup-panel.enabled .param-num { color: var(--accent); }

.param-unit { font-size: 0.55rem; color: var(--muted); letter-spacing: 1px; }

.param-input {
  width: 100%;
  -webkit-appearance: none;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  margin-top: 2px;
}

.param-input:disabled { opacity: 0.3; cursor: not-allowed; }

.param-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}

.speedup-track { margin-top: 4px; opacity: 0; transition: opacity 0.3s; }
.speedup-track.visible { opacity: 1; }

.speedup-track-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.55rem;
  color: var(--muted);
  letter-spacing: 1.5px;
  margin-bottom: 6px;
}

.speedup-track-label .current-bpm {
  color: var(--accent);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.speedup-bar-bg {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.speedup-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
  width: 0%;
}

.speedup-ticks { position: relative; height: 8px; margin-top: 3px; }
.speedup-tick { position: absolute; width: 1px; height: 6px; background: #333; top: 0; transform: translateX(-50%); }
.speedup-bars-counter { font-size: 0.55rem; color: var(--muted); letter-spacing: 1.5px; margin-top: 6px; text-align: right; }
.speedup-bars-counter span { color: var(--accent); }

.focus-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
}

.focus-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.focus-title { color: var(--text); }

.focus-sub {
  font-size: 0.55rem;
  letter-spacing: 1.5px;
  color: var(--muted);
  text-transform: uppercase;
}

.focus-select {
  background: #1e1e1e;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  padding: 10px 12px;
  border-radius: 3px;
  min-width: 120px;
}

.focus-select:disabled { opacity: 0.45; cursor: not-allowed; }

.synth-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.synth-control {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.synth-control-label {
  font-size: 0.55rem;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

.synth-value-row {
  display: flex;
  align-items: center;
  min-height: 32px;
}

.synth-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: var(--accent);
}

.chord-stage {
  min-height: 0;
  position: relative;
  overflow: hidden;
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
}

.chord-stage::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  right: -60px;
  height: 220px;
  background: radial-gradient(ellipse at center, rgba(232,200,74,0.05) 0%, transparent 72%);
  pointer-events: none;
  transition: opacity 0.3s;
}

.chord-stage.playing::before {
  background: radial-gradient(ellipse at center, rgba(232,200,74,0.14) 0%, transparent 72%);
}

.chord-stage-main {
  min-height: 0;
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 24px;
  align-items: center;
}

.chord-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(5rem, 10vw, 9rem);
  letter-spacing: 6px;
  color: var(--text);
  line-height: 0.92;
  opacity: 0.08;
  transition: opacity 0.2s, color 0.2s, transform 0.15s;
  transform: scale(0.92);
  user-select: none;
  word-break: break-word;
}

.chord-name.show { opacity: 1; transform: scale(1); }
.chord-name.playing { color: var(--accent); text-shadow: 0 0 40px rgba(232,200,74,0.5); }

#fretboardMount {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100%;
}

#fretboardMount svg {
  width: min(100%, 220px);
  height: auto;
}

.chord-hint,
.phase-indicator,
.next-preview {
  font-size: 0.55rem;
  text-transform: uppercase;
}

.chord-hint {
  position: absolute;
  bottom: 14px;
  left: 16px;
  right: 16px;
  letter-spacing: 3px;
  color: var(--muted);
  transition: opacity 0.3s;
  text-align: center;
}

.phase-indicator {
  position: absolute;
  top: 14px;
  right: 16px;
  letter-spacing: 2px;
  color: var(--muted);
}

.next-preview {
  position: absolute;
  top: 14px;
  left: 16px;
  letter-spacing: 2px;
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.3s;
}

.next-preview.visible { opacity: 1; }

.next-preview strong {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 0.85rem;
  color: #444;
  letter-spacing: 1px;
}

.progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--accent);
  width: 0%;
  transition: width linear;
  opacity: 0;
}

.progress-bar.active { opacity: 1; }

.play-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
}

.warning {
  font-size: 0.65rem;
  color: var(--accent2);
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity 0.2s;
}

.warning.visible { opacity: 1; }

.start-btn {
  min-width: 260px;
  padding: 18px 22px;
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 6px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s ease;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.start-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
  z-index: 0;
}

.start-btn span { position: relative; z-index: 1; }
.start-btn:hover::before { transform: scaleX(1); }
.start-btn:hover { color: var(--bg); }
.start-btn.running { border-color: var(--accent2); color: var(--accent2); }
.start-btn.running::before { background: var(--accent2); }
.start-btn.running:hover { color: var(--bg); }

.selector-wrap {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  gap: 10px;
}

.key-row { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 6px; }
.family-row { display: flex; gap: 6px; flex-wrap: wrap; }

.chord-btn {
  background: #1e1e1e;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.15rem;
  letter-spacing: 1px;
  padding: 11px 6px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s ease;
  text-align: center;
  user-select: none;
}

.chord-btn:hover { border-color: var(--accent); color: var(--text); }

.chord-btn.active {
  background: rgba(232,200,74,0.12);
  border-color: var(--accent);
  color: var(--accent);
}

.chord-btn.active:hover { background: rgba(232,200,74,0.2); }

.family-chip {
  border: 1px solid var(--border);
  background: #181818;
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.65rem;
  letter-spacing: 1px;
  cursor: pointer;
}

.family-chip.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(232,200,74,0.1);
}

.suffix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
  min-height: 0;
  overflow: auto;
  align-content: start;
  padding-right: 6px;
}

.chord-suffix-btn {
  font-size: 0.95rem;
  min-height: 52px;
}

.chord-suffix-btn.browse-active {
  border-color: #7a6a24;
  color: var(--text);
  background: #242015;
}

.selector-preview {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--border);
  background: #111;
  border-radius: 6px;
  padding: 14px;
}

.selector-preview-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.7rem;
  letter-spacing: 2px;
  color: var(--accent);
  line-height: 1;
}

.selector-preview-meta {
  font-size: 0.65rem;
  letter-spacing: 1.5px;
  color: var(--muted);
  text-transform: uppercase;
}

.voicing-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.voicing-btn,
.pool-toggle,
.selected-tag-main,
.selected-tag-remove {
  border: 1px solid var(--border);
  background: #1a1a1a;
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
}

.voicing-btn {
  width: 34px;
  height: 34px;
  font-size: 0.95rem;
}

.voicing-count {
  min-width: 52px;
  text-align: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 1px;
  color: var(--text);
}

.pool-toggle {
  padding: 9px 12px;
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.pool-toggle.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(232,200,74,0.1);
}

.selected-tags { display: flex; gap: 6px; flex-wrap: wrap; }

.selected-tag {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--accent);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(232,200,74,0.08);
}

.selected-tag-main {
  border: 0;
  padding: 7px 9px;
  color: var(--accent);
  background: transparent;
  font-size: 0.75rem;
}

.selected-tag-remove {
  border: 0;
  border-left: 1px solid rgba(232,200,74,0.25);
  color: var(--accent2);
  width: 30px;
  font-size: 0.9rem;
  background: rgba(232,122,74,0.08);
}

@media (max-width: 1080px) {
  body {
    padding: 14px;
    overflow: auto;
  }

  .app {
    height: auto;
    min-height: calc(100vh - 28px);
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .config-pane,
  .play-pane {
    min-height: auto;
  }

  .play-topbar {
    grid-template-columns: 1fr;
  }
}

@media (max-height: 860px) {
  body {
    overflow: auto;
  }

  .app {
    height: auto;
    min-height: calc(100vh - 36px);
  }

  .header {
    padding: 14px 18px;
  }

  .app-shell {
    min-height: auto;
  }

  .config-pane,
  .play-pane {
    min-height: auto;
  }

  .play-topbar {
    gap: 14px;
  }

  .chord-stage {
    min-height: 420px;
    padding: 22px;
  }

  .chord-stage-main {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 18px;
  }

  .chord-name {
    font-size: clamp(4.2rem, 8vw, 7rem);
  }

  .suffix-grid {
    max-height: 240px;
  }
}

@media (max-height: 720px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .config-pane,
  .play-pane {
    gap: 14px;
  }

  .play-topbar {
    grid-template-columns: 1fr 1fr;
  }

  .chord-stage {
    min-height: 360px;
  }

  .chord-stage-main {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  #fretboardMount {
    min-height: 120px;
  }

  .play-actions {
    grid-template-columns: 1fr;
  }

  .start-btn {
    width: 100%;
    min-width: 0;
  }

  .warning {
    text-align: center;
  }
}

@media (max-width: 760px) {
  body { padding: 10px; }

  .header {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 14px 16px;
  }

  .header-copy {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }

  .header h1 {
    font-size: 2.2rem;
    letter-spacing: 2px;
  }

  .mobile-tabs {
    display: inline-flex;
    grid-column: 1 / 2;
    order: 3;
    width: fit-content;
  }

  .session-timer {
    grid-column: 2 / 3;
    grid-row: 1 / 3;
    align-self: start;
  }

  .app-shell {
    display: block;
  }

  .app-pane {
    display: none;
  }

  .app-pane.is-active {
    display: grid;
  }

  .config-pane.is-active {
    grid-template-rows: minmax(0, 1fr) auto auto;
    gap: 14px;
  }

  .play-pane.is-active {
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 14px;
  }

  .chord-stage {
    min-height: 360px;
    padding: 22px 18px 28px;
  }

  .chord-stage-main {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 16px;
  }

  .chord-name {
    font-size: clamp(4rem, 18vw, 6.4rem);
    letter-spacing: 3px;
  }

  .play-actions {
    grid-template-columns: 1fr;
  }

  .start-btn {
    width: 100%;
    min-width: 0;
  }

  .warning {
    text-align: center;
  }

  .key-row {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .suffix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 34vh;
  }

  .speedup-params {
    grid-template-columns: 1fr;
  }

  .speedup-track-label {
    flex-wrap: wrap;
  }

  .focus-panel {
    grid-template-columns: 1fr;
  }

  .mobile-collapsible {
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .mobile-section-toggle {
    display: flex;
  }

  .mobile-section-body {
    display: grid;
    margin-top: 12px;
  }

  .mobile-collapsible.is-collapsed .mobile-section-body {
    display: none;
  }
}