/* Studio DAW workspace. Loaded only by /studio. */

.app {
  max-width: 1600px;
  padding: 16px 12px 32px;
}

.studio-shell.daw {
  --daw-header-w: 214px;
  --daw-chrome: color-mix(in srgb, var(--card) 88%, var(--text) 12%);
  --daw-chrome-strong: color-mix(in srgb, var(--card) 78%, var(--text) 22%);
  --daw-lcd-bg: #070b10;
  --daw-lcd-text: #8ef0a8;
  --daw-lcd-dim: #4f9a68;
  --daw-row: 78px;
  max-width: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg) 92%, var(--card) 8%);
  border: 1px solid var(--border);
  border-radius: 12px;
}

html[data-theme='light'] .studio-shell.daw {
  --daw-lcd-bg: #e6efec;
  --daw-lcd-text: #0b5f55;
  --daw-lcd-dim: #4f7f78;
}

/* ---------- toolbar ---------- */

.daw-toolbar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--daw-chrome), var(--card));
}

.daw-transport {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.daw-transport-btn {
  width: 40px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--daw-chrome-strong), var(--daw-chrome));
  color: var(--text-strong);
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 1px 3px rgba(0, 0, 0, 0.25);
}

.daw-transport-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.daw-transport-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.daw-play {
  color: var(--accent);
  font-size: 1.05rem;
}

.daw-record {
  color: #ff453a;
  font-size: 1.05rem;
}

.daw-record.is-armed {
  color: #fff;
  background: #e5484d;
  border-color: #e5484d;
  animation: studio-pulse 1.1s ease-in-out infinite;
}

@keyframes studio-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.daw-lcd {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.25rem 0.7rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, #000 30%);
  background: var(--daw-lcd-bg);
  box-shadow: inset 0 1px 7px rgba(0, 0, 0, 0.55);
  min-width: 0;
}

.daw-position {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--daw-lcd-text);
  min-width: 5rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.daw-lcd-meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.62rem;
  color: var(--daw-lcd-dim);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.daw-toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-left: auto;
  flex-wrap: wrap;
}

.studio-bar {
  display: flex;
  gap: 3px;
  width: 96px;
  height: 12px;
}

.studio-bar span {
  flex: 1;
  border-radius: 2px;
  background: color-mix(in srgb, var(--daw-lcd-dim) 30%, transparent);
}

.studio-bar span.is-on {
  background: var(--daw-lcd-text);
}

.studio-bar span.is-accent {
  background: var(--daw-lcd-text);
  opacity: 0.55;
}

.daw-in-meter {
  width: 74px;
}

.studio-meter {
  width: 74px;
  height: 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 14%, transparent);
  overflow: hidden;
  display: inline-block;
}

.studio-meter > div {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #30d158, #ffd60a 78%, #ff453a);
}

.daw-pill,
.daw-icon-btn,
.daw-select {
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--daw-chrome);
  color: var(--text);
  font: inherit;
  font-size: 0.76rem;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
}

.daw-pill:hover,
.daw-icon-btn:hover:not(:disabled),
.daw-select:hover {
  border-color: var(--accent);
}

.daw-icon-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.daw-pill.is-on {
  background: #ffd60a;
  border-color: #ffd60a;
  color: #1b1b1b;
  font-weight: 700;
}

.daw-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.76rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.studio-check {
  accent-color: var(--accent);
}

.daw-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.studio-status {
  min-height: 1.4rem;
  margin: 0;
  padding: 0.35rem 0.8rem;
  font-size: 0.82rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--card) 60%, transparent);
  border-bottom: 1px solid var(--border);
}

.studio-status[data-tone='error'] { color: #ff6b6b; }
.studio-status[data-tone='warning'] { color: #ffb340; }
.studio-status[data-tone='success'] { color: #51cf66; }

/* ---------- live input ---------- */

.daw-live {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.45rem 0.8rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 72%, var(--bg) 28%);
}

.daw-live[hidden] {
  display: none;
}

.daw-live-wave {
  flex: 1 1 auto;
  min-width: 0;
  height: 46px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--bg) 70%, transparent);
}

.daw-live-readout {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  min-width: 132px;
}

.daw-live-caption {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

#studioLiveNote {
  font-size: 1.3rem;
  line-height: 1;
  color: var(--text);
}

.daw-live-chord {
  padding: 0.12rem 0.4rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 999px;
}

.daw-live-chord[hidden] {
  display: none;
}

@media (max-width: 720px) {
  .daw-live-readout {
    min-width: 96px;
  }
}

/* ---------- track source ---------- */

.daw-source {
  flex: 0 0 auto;
  padding: 0.1rem 0.35rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 5px;
  cursor: pointer;
}

/* ---------- tool panels ---------- */

.daw-tool-panel {
  padding: 0.55rem 0.8rem 0.7rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 76%, var(--bg) 24%);
}

.daw-tool-panel[hidden] {
  display: none;
}

.daw-tool-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.daw-field-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  text-transform: none;
  letter-spacing: 0;
}

.daw-field-inline input {
  width: 4.2rem;
}

/* ---------- virtual keyboard ---------- */

.daw-keyboard {
  position: relative;
  height: 148px;
  margin-top: 0.2rem;
  user-select: none;
  touch-action: none;
}

.daw-key {
  position: absolute;
  top: 0;
  border: 1px solid color-mix(in srgb, var(--border) 80%, var(--text) 20%);
  border-radius: 0 0 6px 6px;
  cursor: pointer;
  padding: 0;
}

.daw-key-white {
  height: 100%;
  background: color-mix(in srgb, #fff 88%, var(--bg) 12%);
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.3rem;
  color: #333;
  font-size: 0.62rem;
}

.daw-key-white:active {
  background: color-mix(in srgb, var(--accent) 35%, #fff 65%);
}

.daw-key-black {
  height: 62%;
  background: #1a1d21;
  color: #ddd;
  z-index: 2;
}

.daw-key-black:active {
  background: var(--accent);
}

.daw-key.is-held {
  background: var(--accent);
  color: #fff;
}

.daw-key-pc {
  position: absolute;
  right: 4px;
  bottom: 4px;
  font-size: 0.52rem;
  font-weight: 700;
  opacity: 0.55;
  pointer-events: none;
}

.daw-keyboard-hint {
  margin-left: auto;
  font-size: 0.66rem;
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
}

/* ---------- drum editor ---------- */

.daw-drum-grid {
  display: grid;
  grid-template-columns: 68px repeat(var(--drum-steps, 16), minmax(0, 1fr));
  gap: 3px;
  align-items: center;
}

.daw-drum-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.daw-drum-target {
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--accent);
  text-transform: none;
  letter-spacing: 0;
}

.daw-drum-step {
  aspect-ratio: 1;
  min-height: 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: color-mix(in srgb, var(--bg) 68%, var(--card) 32%);
  cursor: pointer;
}

.daw-drum-step.is-on {
  background: var(--accent);
  border-color: var(--accent);
}

.daw-drum-step:nth-child(4n + 2) {
  border-left-width: 2px;
}

/* ---------- workspace ---------- */

.daw-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 292px;
  gap: 0.75rem;
  padding: 0.75rem;
}

.daw.is-inspector-hidden .daw-main {
  grid-template-columns: minmax(0, 1fr);
}

.daw.is-inspector-hidden .daw-inspector {
  display: none;
}

.daw-arrangement {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
}

.daw-arrangement-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.55rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.daw-arrangement-title {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.daw-zoom {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-left: auto;
}

.daw-scroll {
  overflow: auto;
  max-height: min(64vh, 640px);
  background: color-mix(in srgb, var(--bg) 96%, #000 4%);
}

/* ---------- ruler ---------- */

.daw-ruler-row {
  display: flex;
  height: 34px;
  position: sticky;
  top: 0;
  z-index: 6;
  background: var(--card);
}

.daw-ruler-corner {
  width: var(--daw-header-w);
  flex: none;
  position: sticky;
  left: 0;
  z-index: 7;
  display: flex;
  align-items: center;
  padding: 0 0.6rem;
  background: var(--card);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 0.64rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.studio-ruler {
  position: relative;
  height: 34px;
  flex: none;
  border-bottom: 1px solid var(--border);
  background-image:
    linear-gradient(90deg, color-mix(in srgb, var(--border) 90%, transparent) 0 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 35%, transparent) 0 1px, transparent 1px);
  background-size: var(--bar-size, 120px) 100%, var(--beat-size, 30px) 100%;
  cursor: ew-resize;
  touch-action: none;
}

.studio-ruler-label {
  position: absolute;
  top: 14px;
  font-size: 0.62rem;
  color: var(--muted);
  transform: translateX(2px);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.daw-cycle {
  position: absolute;
  top: 0;
  height: 12px;
  background: rgba(255, 214, 10, 0.3);
  border-left: 2px solid #ffd60a;
  border-right: 2px solid #ffd60a;
  pointer-events: none;
}

.daw-cycle[hidden] {
  display: none;
}

/* ---------- tracks ---------- */

.daw-track-grid {
  display: grid;
  grid-template-columns: var(--daw-header-w) auto;
  align-items: start;
}

.studio-tracks {
  list-style: none;
  margin: 0;
  padding: 0;
  width: var(--daw-header-w);
  position: sticky;
  left: 0;
  z-index: 5;
  background: var(--card);
  border-right: 1px solid var(--border);
}

.daw-track {
  position: relative;
  box-sizing: border-box;
  height: var(--daw-row);
  padding: 0.4rem 0.45rem 0.35rem 0.55rem;
  border-bottom: 1px solid var(--border);
  border-left: 3px solid var(--track-color, var(--accent));
  background: linear-gradient(180deg, color-mix(in srgb, var(--card) 92%, var(--text) 8%), var(--card));
}

.daw-track:hover {
  background: color-mix(in srgb, var(--card) 86%, var(--accent) 14%);
}

.daw-track-top {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
}

.daw-arm {
  width: 20px;
  height: 20px;
  flex: none;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: #ff453a;
  opacity: 0.4;
  font-size: 0.7rem;
  line-height: 1;
  cursor: pointer;
}

.daw-arm:hover { opacity: 0.8; }

.daw-arm[aria-pressed='true'] {
  opacity: 1;
  background: rgba(255, 69, 58, 0.16);
  border-color: rgba(255, 69, 58, 0.45);
}

.daw-track-name {
  flex: 1;
  min-width: 0;
  padding: 0.1rem 0.2rem;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--text-strong);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
}

.daw-track-name:hover,
.daw-track-name:focus {
  border-color: var(--border);
  background: var(--bg);
  outline: none;
}

.daw-toggle {
  width: 22px;
  height: 20px;
  flex: none;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--muted);
  font: inherit;
  font-size: 0.64rem;
  font-weight: 700;
  cursor: pointer;
}

.daw-toggle.is-on {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.daw-solo.is-on {
  background: #ffd60a;
  border-color: #ffd60a;
  color: #1b1b1b;
}

.daw-track-bottom {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.4rem;
  padding-right: 1.1rem;
}

.daw-slider {
  flex: 1;
  min-width: 0;
  height: 14px;
  accent-color: var(--track-color, var(--accent));
  cursor: pointer;
}

.daw-pan {
  max-width: 74px;
  accent-color: var(--muted);
}

.daw-track-count {
  position: absolute;
  right: 0.4rem;
  bottom: 0.32rem;
  font-size: 0.58rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.daw-lanes-wrap {
  position: relative;
  min-width: 0;
}

.daw-lanes {
  position: relative;
  min-height: var(--daw-row);
}

.daw-lane {
  position: relative;
  box-sizing: border-box;
  height: var(--daw-row);
  border-bottom: 1px solid var(--border);
  background-image:
    linear-gradient(90deg, color-mix(in srgb, var(--border) 80%, transparent) 0 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 28%, transparent) 0 1px, transparent 1px);
  background-size: var(--bar-size, 120px) 100%, var(--beat-size, 30px) 100%;
  cursor: crosshair;
  touch-action: none;
}

.daw-lane:nth-child(even) {
  background-color: color-mix(in srgb, var(--card) 55%, transparent);
}

.studio-clip {
  position: absolute;
  top: 4px;
  bottom: 4px;
  padding: 0;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--clip-color, var(--accent)) 80%, #000 20%);
  border-radius: 5px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--clip-color, var(--accent)) 38%, transparent), color-mix(in srgb, var(--clip-color, var(--accent)) 20%, transparent));
  cursor: grab;
  touch-action: none;
  text-align: left;
}

.studio-clip:hover {
  border-color: var(--clip-color, var(--accent));
  filter: brightness(1.12);
}

.studio-clip.is-selected {
  outline: 2px solid var(--text-strong);
  outline-offset: -1px;
  z-index: 3;
}

.studio-clip.is-muted {
  opacity: 0.3;
}

.studio-clip.is-dragging {
  cursor: grabbing;
  z-index: 4;
  opacity: 0.9;
}

.studio-clip.is-new {
  animation: daw-new-clip 1.1s ease-out;
}

@keyframes daw-new-clip {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--clip-color, var(--accent)) 90%, transparent);
  }
  100% {
    box-shadow: 0 0 0 12px transparent;
  }
}

.daw-clip-wave {
  position: absolute;
  inset: 0;
  opacity: 0.8;
  pointer-events: none;
}

.daw-clip-label {
  position: absolute;
  left: 5px;
  top: 3px;
  padding: 1px 4px;
  border-radius: 3px;
  background: color-mix(in srgb, #000 45%, transparent);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 600;
  pointer-events: none;
  white-space: nowrap;
}

.daw-cycle-shade {
  position: absolute;
  top: 0;
  background: rgba(255, 214, 10, 0.07);
  border-left: 1px dashed rgba(255, 214, 10, 0.55);
  border-right: 1px dashed rgba(255, 214, 10, 0.55);
  pointer-events: none;
  z-index: 1;
}

.daw-selection-shade {
  position: absolute;
  top: 0;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-left: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-right: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  pointer-events: none;
  z-index: 2;
}

.daw-selection {
  position: absolute;
  top: 0;
  bottom: 0;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  border-left: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  pointer-events: none;
  z-index: 4;
}

.studio-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #ff453a;
  z-index: 5;
  pointer-events: none;
  transform: translateX(-1px);
}

.studio-playhead::before {
  content: '';
  position: absolute;
  top: 0;
  left: -4px;
  border: 5px solid transparent;
  border-top-color: #ff453a;
}

.studio-empty-daw {
  margin: 0;
  padding: 0.55rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.studio-empty-daw[hidden] {
  display: none;
}

.daw-arrangement-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding: 0.45rem 0.55rem;
  border-top: 1px solid var(--border);
  background: var(--card);
}

.daw-shortcuts {
  margin-left: auto;
  font-size: 0.66rem;
  color: var(--muted);
}

/* ---------- inspector ---------- */

.daw-inspector {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-width: 0;
}

.daw-panel {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  padding: 0.7rem 0.75rem;
}

.daw-panel h2 {
  margin: 0 0 0.55rem;
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.daw-field {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.daw-field:last-child {
  margin-bottom: 0;
}

.daw-field > label:first-child {
  min-width: 4.4rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.daw-field-split > label {
  min-width: auto;
}

.daw-field-checks {
  gap: 0.8rem;
}

.studio-input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.28rem 0.4rem;
  font: inherit;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.studio-input:focus {
  outline: none;
  border-color: var(--accent);
}

.studio-number {
  width: 4rem;
}

.studio-note {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.45;
  margin: 0.4rem 0 0;
}

.studio-warn {
  color: #ffb340;
}

/* ---------- tuner ---------- */

.studio-tuner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
  margin-top: 0.5rem;
}

.studio-tuner-note {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-strong);
  min-width: 3.2rem;
}

.studio-tuner-cents {
  color: var(--muted);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  min-width: 3rem;
  text-align: right;
}

.studio-tuner-scale {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg,
    rgba(229, 72, 77, 0.35) 0%, rgba(217, 139, 11, 0.35) 35%,
    rgba(47, 158, 68, 0.45) 50%, rgba(217, 139, 11, 0.35) 65%,
    rgba(229, 72, 77, 0.35) 100%);
}

.studio-tuner-scale::after {
  content: '';
  position: absolute;
  left: 50%;
  top: -3px;
  bottom: -3px;
  width: 2px;
  transform: translateX(-50%);
  background: var(--text);
  opacity: 0.55;
}

.studio-tuner-needle {
  position: absolute;
  top: -4px;
  width: 4px;
  height: 18px;
  border-radius: 3px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: left 90ms linear;
}

.studio-tuner-in-tune .studio-tuner-note,
.studio-tuner-in-tune .studio-tuner-cents { color: #2f9e44; }
.studio-tuner-in-tune .studio-tuner-needle { background: #2f9e44; }
.studio-tuner-flat .studio-tuner-needle,
.studio-tuner-sharp .studio-tuner-needle { background: #d98b0b; }

/* ---------- notation ---------- */

.daw-notation {
  border-top: 1px solid var(--border);
  background: var(--card);
}

.daw-notation > summary {
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  user-select: none;
}

.daw-notation > summary:hover {
  color: var(--accent);
}

.daw-notation-body {
  padding: 0 0.8rem 0.8rem;
}

.studio-btn {
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  border: none;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.studio-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.studio-btn-go {
  background: var(--accent);
  color: var(--accent-contrast);
}

.studio-btn-rec {
  background: #e5484d;
  color: #fff;
}

.studio-btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 600;
}

.studio-export {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border);
}

.studio-summary {
  color: var(--muted);
  font-size: 0.82rem;
}

.studio-summary[hidden] {
  display: none;
}

.studio-score {
  overflow-x: auto;
  padding: 0.5rem;
  margin-top: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
}

.studio-score[hidden] {
  display: none;
}

.studio-score-svg,
.live-score-svg {
  display: block;
  min-width: 640px;
}

/* ---------- responsive ---------- */

@media (max-width: 1100px) {
  .daw-main {
    grid-template-columns: minmax(0, 1fr);
  }

  .daw-inspector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (max-width: 700px) {
  .app {
    padding: 8px 6px 24px;
  }

  .studio-shell.daw {
    --daw-header-w: 148px;
    --daw-row: 72px;
    border-radius: 8px;
  }

  .daw-toolbar {
    padding: 0.45rem;
  }

  .daw-transport-btn {
    width: 34px;
    height: 32px;
  }

  .daw-lcd {
    order: 3;
    width: 100%;
  }

  .daw-toolbar-right {
    margin-left: 0;
  }

  .daw-track-name {
    font-size: 0.72rem;
  }

  .daw-shortcuts {
    display: none;
  }
}

/* ---------- context menu ---------- */

.daw-menu {
  position: fixed;
  z-index: 1000;
  min-width: 180px;
  padding: 0.3rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--card);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.daw-menu-item {
  display: block;
  width: 100%;
  padding: 0.42rem 0.6rem;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.8rem;
  text-align: left;
  cursor: pointer;
}

.daw-menu-item:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}

.daw-menu-item:disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.55;
}

.daw-menu-separator {
  height: 1px;
  margin: 0.25rem 0.35rem;
  background: var(--border);
}



@media print {
  .sticky-nav,
  .app-footer,
  .daw-toolbar,
  .studio-status,
  .daw-main,
  .daw-notation > summary,
  .studio-export,
  .daw-notation-body .daw-field {
    display: none !important;
  }

  .studio-print-score {
    display: block !important;
  }

  .studio-score {
    border: none;
    padding: 0;
    background: #fff;
    color: #000;
  }

  .studio-score-svg {
    min-width: 0;
  }

  .app {
    max-width: none;
    padding: 0;
  }
}