.controls{
  display:none;
  gap:8px;
  align-items:stretch;
  position:fixed;
  left:24px;
  top:100px;
  transform:none;
  background: rgba(0,10,20,0.45);
  padding:12px 14px;
  border-radius:12px; z-index:1004;
  box-shadow: 0 8px 30px rgba(0,163,255,0.06);
  width: min(360px, 44vw);
  max-height: 70vh;
  overflow:auto;
}
.controls.open{
  display:block;
}
.controls h2{
  margin:0 0 6px; font-size:18px; color:var(--fg);
  cursor: grab;
  padding-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.settings-title{
  display:flex;
  align-items:center;
  gap:8px;
}
.settings-logo{
  width:38px;
  height:38px;
  object-fit:contain;
  border-radius:4px;
}
.closeSettings{
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: #000;
  color: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  box-shadow:
    inset 6px 6px 14px rgba(255,255,255,0.06),
    inset -10px -14px 22px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.closeSettings::before {
  content: '×';
}
.controls label{display:block; margin-top:8px; color:var(--muted)}
.controls input[type="number"],
.controls select,
.controls input[type="color"],
.controls input[type="range"]{width:100%}
.control-row{
  display:flex;
  align-items:center;
  gap:8px;
  margin:6px 0;
}
.control-row label{
  flex: 0 0 44%;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.control-row label span {
  font-size: 10px;
  font-weight: 600;
  color: var(--fg);
  opacity: 0.7;
  padding-left: 8px;
  flex-shrink: 0;
}
.control-row label .color-swatch {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background-color: transparent;
    margin-left: 6px;
    padding-left: 0;
    opacity: 1;
    flex-shrink: 0;
}
.control-row label .color-swatch + span {
    padding-left: 4px; 
}
.control-row input[type="number"],
.control-row select,
.control-row input[type="color"],
.control-row input[type="range"],
.control-row input[type="checkbox"]{
  flex:1 1 auto;
}
.control-row input[type="color"]{
  width:42px;
  height:28px;
  padding:2px;
  border:1px solid #ddd;
  border-radius:6px;
  cursor:pointer;
}
.control-row input[type="range"]{
  width:100%;
}
.control-actions{
  display:flex;
  gap:8px;
  margin-top:10px;
}
.control-actions button{
  flex:1 1 0;
  padding:8px 10px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.06);
  background:linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  color:var(--fg);
  cursor:pointer;
  box-shadow:0 6px 30px rgba(0,163,255,0.08), 0 1px 0 rgba(255,255,255,0.02) inset;
}
.controls button:disabled{opacity:0.5;cursor:default}

.tap-tempo-btn{
  width:100%;
  padding:10px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.08);
  background:linear-gradient(180deg, rgba(0,163,255,0.1), rgba(0,163,255,0.05));
  color:var(--fg);
  cursor:pointer;
  font-weight:600;
  font-size:13px;
  letter-spacing:0.5px;
  text-transform:uppercase;
  box-shadow:0 4px 16px rgba(0,163,255,0.15), 0 1px 0 rgba(255,255,255,0.04) inset;
  transition:transform 0.1s ease, box-shadow 0.1s ease;
}
.tap-tempo-btn:hover{
  background:linear-gradient(180deg, rgba(0,163,255,0.15), rgba(0,163,255,0.08));
  box-shadow:0 6px 20px rgba(0,163,255,0.2), 0 1px 0 rgba(255,255,255,0.06) inset;
}
.tap-tempo-btn:active{
  transform:translateY(1px);
}

.section-group {
    margin-top: 2px;
}
.section-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
    cursor: pointer;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.section-titlebar .section-title {
    margin-top: 0;
    padding-top: 0;
    font-size: 11px; 
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--fg);
    opacity: 0.85;
    flex-grow: 1;
}
.section-titlebar::after {
    content: '▾';
    font-size: 16px;
    color: var(--muted);
    transition: transform 0.2s ease;
    padding-left: 10px;
    line-height: 1;
}
.section-content {
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding-bottom: 4px;
}
.section-group.collapsed .section-content {
    max-height: 0;
}
.section-group.collapsed .section-titlebar::after {
    content: '▸';
}

.controls{
  width: min(300px, 38vw);
  padding: 10px 12px;
  background: rgba(0,10,20,0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.06);
}
.controls input[type="range"]{
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 32px;
  background: transparent;
  cursor: pointer;
  padding: 10px 0;
}
.controls input[type="range"].styled-range{
  --track-height: 8px;
  --thumb-size: 18px;
  --track-radius: 999px;
  --fill-color: var(--accent);
  --track-bg: rgba(255,255,255,0.15);
  --track-border: rgba(255,255,255,0.08);
  --fill: 0%;
  background:
    linear-gradient(var(--fill-color), var(--fill-color)) left center / var(--fill) var(--track-height) no-repeat,
    linear-gradient(var(--track-bg), var(--track-bg)) left center / 100% var(--track-height) no-repeat;
  border-radius: var(--track-radius);
  box-shadow: inset 0 0 0 1px var(--track-border);
}
.controls input[type="range"].styled-range::-webkit-slider-thumb{
  -webkit-appearance: none;
  appearance: none;
  width: var(--thumb-size);
  height: var(--thumb-size);
  border-radius: 50%;
  background: #000;
  box-shadow:
    inset 6px 6px 14px rgba(255,255,255,0.06),
    inset -10px -14px 22px rgba(0,0,0,0.5),
    0 0 12px rgba(var(--skin-glow-color), 0.6);
  margin-top: calc((var(--track-height) - var(--thumb-size)) / 2);
  border: none;
}
.controls input[type="range"].styled-range::-moz-range-track{
  height: var(--track-height);
  background: var(--track-bg);
  border-radius: var(--track-radius);
  box-shadow: inset 0 0 0 1px var(--track-border);
}
.controls input[type="range"].styled-range::-moz-range-progress{
  height: var(--track-height);
  background: var(--fill-color);
  border-radius: var(--track-radius);
}
.controls input[type="range"].styled-range::-moz-range-thumb{
  width: var(--thumb-size);
  height: var(--thumb-size);
  border-radius: 50%;
  background: #000;
  box-shadow:
    inset 6px 6px 14px rgba(255,255,255,0.06),
    inset -10px -14px 22px rgba(0,0,0,0.5),
    0 0 12px rgba(var(--skin-glow-color), 0.6);
  border: none;
}
.controls input[type="range"].styled-range:hover{
  box-shadow:
    inset 0 0 0 1px var(--track-border),
    0 0 10px rgba(0,0,0,0.2);
}

@media (max-width: 600px) {
  .controls { width: 86vw; padding: 10px; z-index: 1102; left:50%; top:16px; transform:translateX(-50%); }
  .control-row { gap:8px; margin:6px 0; }
  .control-actions button { padding:8px 10px; font-size:12px; }
  
  .controls input[type="range"].styled-range{
    touch-action: manipulation;
  }
  .controls .section-content {
    position: relative;
    z-index: 1;
  }
}