.ouroboros-page {
  --accent: #85e4b7;
  --accent-soft: color-mix(in oklab, var(--accent) 54%, transparent);
  --accent-glow: color-mix(in oklab, var(--accent) 20%, transparent);
  --ouroboros-gold: #f1c86f;
  --ouroboros-coral: #ff8e72;
  --ouroboros-cyan: #72d5e5;
}

.ouroboros-shell {
  display: grid;
  width: min(1680px, 100%);
  height: calc(100dvh - var(--header-height, 58px));
  min-height: 0;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 390px);
}

.ouroboros-performance {
  display: grid;
  min-width: 0;
  min-height: 0;
  padding: clamp(18px, 2.5vw, 38px);
  grid-template-rows: auto minmax(0, 1fr);
  row-gap: 18px;
}

.ouroboros-titlebar {
  display: flex;
  min-height: 78px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.ouroboros-title-identity p {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0;
}

.ouroboros-title-identity h1 {
  margin: 0;
  color: var(--ink);
  font-size: 58px;
  font-style: italic;
  font-weight: 760;
  letter-spacing: 0;
  line-height: .92;
  text-transform: uppercase;
}

.ouroboros-live-readouts {
  display: grid;
  width: min(650px, 66%);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: .75fr 1.45fr 1fr;
}

.ouroboros-live-readouts span {
  display: grid;
  min-width: 0;
  min-height: 53px;
  padding: 8px 10px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  align-content: center;
  gap: 4px;
}

.ouroboros-live-readouts b,
.ouroboros-live-readouts small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ouroboros-live-readouts b {
  color: var(--ink);
  font-size: 9px;
  font-weight: 650;
}

.ouroboros-live-readouts small {
  color: var(--faint);
  font-size: 7px;
  letter-spacing: 0;
}

.ouroboros-stage-wrap {
  position: relative;
  width: 100%;
  height: auto;
  min-height: 0;
  margin-top: 0;
  overflow: hidden;
  border: 0;
  isolation: isolate;
  background: transparent;
}

.ouroboros-page #stage {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  cursor: crosshair;
  touch-action: none;
}

.ouroboros-stage-wrap.is-auditioning #stage {
  cursor: grabbing;
}

.ouroboros-page #stage:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: -4px;
}

.ouroboros-stage-meta {
  position: absolute;
  z-index: 3;
  top: 12px;
  right: 14px;
  left: 14px;
  overflow: hidden;
  pointer-events: none;
  color: var(--faint);
  font-size: 7px;
  letter-spacing: 0;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ouroboros-loop-core {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  min-width: 150px;
  pointer-events: none;
  justify-items: center;
  transform: translate(-50%, -50%);
}

.ouroboros-loop-core span {
  color: var(--accent);
  font-size: 34px;
  line-height: .9;
  text-shadow: 0 0 14px var(--accent-glow);
}

.ouroboros-loop-core small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 7px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ouroboros-play-section .group-body {
  padding-bottom: 17px;
}

.ouroboros-play-button {
  display: grid;
  width: 100%;
  min-height: 64px;
  padding: 0;
  margin: 0 0 14px;
  overflow: hidden;
  border: 1px solid var(--accent-soft);
  cursor: pointer;
  color: var(--ink);
  background: var(--bg-deep);
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: stretch;
  text-align: left;
}

.ouroboros-play-icon {
  display: grid;
  color: var(--bg-deep);
  background: var(--accent);
  font-size: 16px;
  place-items: center;
}

.ouroboros-play-copy {
  display: grid;
  min-width: 0;
  padding: 10px 13px;
  align-content: center;
  gap: 4px;
}

.ouroboros-play-copy b {
  font-size: 10px;
  font-weight: 720;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ouroboros-play-copy small {
  overflow: hidden;
  color: var(--muted);
  font-size: 7px;
  letter-spacing: .04em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.ouroboros-play-button:hover,
.ouroboros-play-button:focus-visible {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.ouroboros-play-button:active {
  transform: translateY(1px);
}

.ouroboros-play-button[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent-soft);
}

.ouroboros-play-button[aria-pressed="true"] .ouroboros-play-icon {
  color: var(--accent);
  background: var(--accent-glow);
}

.ouroboros-play-button:disabled {
  cursor: progress;
  opacity: .58;
}

.ouroboros-pluck-readout {
  display: grid;
  padding: 9px 10px;
  margin: 0 0 14px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg-deep) 84%, var(--accent-glow));
  gap: 5px;
}

.ouroboros-pluck-readout span {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ouroboros-pluck-readout b,
.ouroboros-pluck-readout output {
  overflow: hidden;
  font-size: 8px;
  font-weight: 650;
  letter-spacing: 0;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.ouroboros-pluck-readout b,
.ouroboros-pluck-readout > small {
  color: var(--muted);
}

.ouroboros-pluck-readout output {
  color: var(--accent);
}

.ouroboros-pluck-readout > small {
  font-size: 7px;
  line-height: 1.4;
}

.ouroboros-segmented {
  display: grid;
  min-width: 0;
  padding: 0;
  margin: 0 0 14px;
  border: 1px solid var(--line-strong);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ouroboros-segmented legend {
  padding: 0 0 6px;
  color: var(--faint);
  font-size: 7px;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ouroboros-segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.ouroboros-segmented span {
  display: grid;
  min-width: 0;
  height: 34px;
  padding: 0 8px;
  border-right: 1px solid var(--line);
  cursor: pointer;
  color: var(--faint);
  background: var(--panel);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0;
  text-align: center;
  text-transform: uppercase;
  place-items: center;
}

.ouroboros-segmented label:last-child span {
  border-right: 0;
}

.ouroboros-segmented input:checked + span {
  color: var(--bg-deep);
  background: var(--accent);
}

.ouroboros-segmented input:focus-visible + span {
  outline: 2px solid var(--ink);
  outline-offset: -3px;
}

.ouroboros-control-panel {
  min-width: 0;
  border-left: 1px solid var(--line-strong);
  background: color-mix(in oklab, var(--panel) 88%, var(--bg-deep));
}

.ouroboros-preset-grid {
  display: grid;
  margin: 0 0 7px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
}

.ouroboros-preset-grid button {
  display: grid;
  min-height: 48px;
  padding: 7px 8px;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  color: var(--muted);
  background: var(--bg-deep);
  align-content: center;
  justify-items: start;
  text-align: left;
}

.ouroboros-preset-grid button:hover,
.ouroboros-preset-grid button:focus-visible {
  border-color: var(--accent-soft);
  color: var(--ink);
}

.ouroboros-preset-grid button:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

.ouroboros-preset-grid button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.ouroboros-preset-grid b {
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ouroboros-preset-grid small {
  overflow: hidden;
  max-width: 100%;
  margin-top: 4px;
  color: var(--muted);
  font-size: 7px;
  letter-spacing: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ouroboros-control-note {
  display: block;
  margin: -2px 0 9px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.55;
}

.ouroboros-signal-card {
  display: grid;
  margin: 11px 0 9px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--bg-deep);
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.15fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 6px;
}

.ouroboros-signal-card span {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.ouroboros-signal-card b {
  color: var(--ink);
  font-size: 7px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ouroboros-signal-card small {
  overflow: hidden;
  color: var(--muted);
  font-size: 6px;
  line-height: 1.3;
  text-overflow: ellipsis;
}

.ouroboros-signal-card i {
  color: var(--accent);
  font-size: 8px;
  font-style: normal;
}

.ouroboros-page .audio-error {
  margin: 10px 0 8px;
  padding: 9px 10px;
  border: 1px solid rgba(255, 130, 111, .38);
  color: #ffb2a8;
  background: rgba(255, 130, 111, .06);
  font-size: 9px;
  line-height: 1.45;
}

@media (max-width: 1120px) {
  .ouroboros-shell {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .ouroboros-titlebar {
    display: grid;
  }

  .ouroboros-title-identity h1 {
    font-size: 44px;
  }

  .ouroboros-live-readouts {
    width: 100%;
  }

}

/* The shared mobile shell normally locks the viewport and delegates scrolling
   to a fixed-height control panel. Ouroboros has a document-flow performance
   surface, so phones need native page scrolling instead. */
@media (max-width: 960px) {
  html {
    height: auto;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
  }

  body.ouroboros-page {
    height: auto;
    min-height: 100dvh;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: auto;
  }

  .ouroboros-control-panel {
    overflow: visible;
    overscroll-behavior-y: auto;
    -webkit-overflow-scrolling: auto;
  }

}

@media (max-width: 820px) {
  .ouroboros-shell {
    display: block;
    height: auto;
    min-height: calc(100dvh - var(--header-height, 58px));
  }

  .ouroboros-performance {
    display: block;
  }

  .ouroboros-control-panel {
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .ouroboros-stage-wrap {
    height: clamp(360px, 58vw, 500px);
    min-height: 360px;
    margin-top: 18px;
  }

  .ouroboros-page #stage {
    min-height: 360px;
  }
}

@media (max-width: 560px) {
  .ouroboros-performance {
    padding: 14px 12px 18px;
  }

  .ouroboros-titlebar {
    gap: 15px;
  }

  .ouroboros-title-identity h1 {
    font-size: 32px;
  }

  .ouroboros-live-readouts {
    grid-template-columns: .85fr 1.3fr;
  }

  .ouroboros-live-readouts span:last-child {
    display: none;
  }

  .ouroboros-stage-wrap,
  .ouroboros-page #stage {
    height: 330px;
    min-height: 330px;
  }

  .ouroboros-stage-meta {
    display: none;
  }

  .ouroboros-loop-core span {
    font-size: 26px;
  }

  .ouroboros-loop-core small {
    font-size: 6px;
  }

  .ouroboros-preset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ouroboros-signal-card {
    grid-template-columns: 1fr 1fr;
  }

  .ouroboros-signal-card i {
    display: none;
  }
}

@media (max-width: 340px) {
  .ouroboros-preset-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ouroboros-play-button:active {
    transform: none;
  }
}