/* MelodinAI DJ Studio — manual arrange studio */

html:has(#viewDjStudio:not(.hidden)),
body:has(#viewDjStudio:not(.hidden)) {
  height: 100%;
  overflow: hidden;
}

body:has(#viewDjStudio:not(.hidden)) .app-shell {
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  max-height: 100vh;
  max-height: 100dvh;
  overflow: hidden;
  padding-bottom: 0;
}

body:has(#viewDjStudio:not(.hidden)) .main-content {
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  height: 100%;
  display: flex;
  flex-direction: column;
}

body:has(#viewDjStudio:not(.hidden)) .main-column {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

#viewDjStudio {
  position: relative;
  padding: 0;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
  width: 100%;
}

#viewDjStudio.hidden {
  display: none !important;
}

.dja {
  --dja-bg: #121318;
  --dja-surface: #1a1c22;
  --dja-surface2: #22242c;
  --dja-border: #2c2f38;
  --dja-text: #e8eaef;
  --dja-muted: #8b90a0;
  --dja-accent: #ff4b8b;
  --dja-accent2: #ff9f5a;
  --dja-deck1: #4ea3ff;
  --dja-deck1b: #7ec8ff;
  --dja-deck2: #3dcc8a;
  --dja-deck2b: #8af0b8;
  --dja-overlap: #f5d76e;
  --dja-head-w: 88px;
  --dja-ruler-h: 26px;
  --dja-lane-h: 118px;
  --dja-tb-h: 48px;
  --dja-picker-w: 340px;
  display: grid;
  grid-template-rows: auto minmax(180px, 1.15fr) minmax(140px, 0.85fr);
  grid-template-columns: minmax(0, 1fr);
  flex: 1;
  min-height: 0;
  height: 100%;
  background: var(--dja-bg);
  color: var(--dja-text);
  font-size: 13px;
}

.dja.is-picking {
  grid-template-columns: minmax(0, 1fr) var(--dja-picker-w);
}

.dja-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--dja-tb-h);
  padding: 0.2rem 0.75rem 0.2rem 1rem;
  border-bottom: 1px solid var(--dja-border);
  background: var(--dja-surface);
  grid-row: 1;
  grid-column: 1;
  flex-wrap: wrap;
}

.dja-brand {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  min-width: 0;
}

.dja-kicker {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dja-accent2);
}

.dja-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dja-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex: 1;
  min-width: 0;
}

.dja-btn,
.dja-icon-btn,
.dja-play,
.dja-solo {
  border: 1px solid var(--dja-border);
  background: var(--dja-surface2);
  color: var(--dja-text);
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.dja-btn {
  padding: 0.38rem 0.75rem;
}

.dja-btn-accent {
  background: linear-gradient(90deg, #ff4b8b, #ff9f5a);
  border-color: transparent;
  color: #1a0c12;
}

.dja-icon-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#djaZoomFit {
  width: auto;
  padding: 0 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dja-play {
  min-width: 72px;
  height: 32px;
  padding: 0 0.85rem;
}

.dja-play.is-on {
  background: var(--dja-accent);
  border-color: var(--dja-accent);
  color: #fff;
}

.dja-solo {
  height: 32px;
  padding: 0 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dja-muted);
}

.dja-solo.is-on {
  color: #0d1210;
  border-color: transparent;
}

.dja-solo[data-deck="1"].is-on {
  background: var(--dja-deck1);
}

.dja-solo[data-deck="2"].is-on {
  background: var(--dja-deck2);
}

.dja-bpm {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  height: 32px;
  padding: 0 0.45rem 0 0.55rem;
  border: 1px solid var(--dja-border);
  border-radius: 8px;
  background: var(--dja-surface2);
  color: var(--dja-muted);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.dja-bpm input {
  width: 3.4rem;
  height: 22px;
  border: 0;
  background: transparent;
  color: var(--dja-text);
  font: inherit;
  font-variant-numeric: tabular-nums;
  text-transform: none;
  letter-spacing: 0;
  text-align: center;
}

.dja-bpm input:focus {
  outline: none;
}

.dja-bpm input::-webkit-inner-spin-button,
.dja-bpm input::-webkit-outer-spin-button {
  opacity: 0.45;
}

.dja-match.is-on {
  background: var(--dja-accent);
  color: #fff;
  border-color: transparent;
}

.dja-pitch {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  height: 32px;
  padding: 0 0.35rem 0 0.5rem;
  border: 1px solid var(--dja-border);
  border-radius: 8px;
  background: var(--dja-surface2);
  color: var(--dja-muted);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.dja-pitch.is-off {
  opacity: 0.45;
}

.dja-pitch input {
  width: 3.1rem;
  height: 22px;
  border: 0;
  background: transparent;
  color: var(--dja-text);
  font: inherit;
  font-variant-numeric: tabular-nums;
  text-transform: none;
  letter-spacing: 0;
  text-align: center;
}

.dja-pitch input:focus {
  outline: none;
}

.dja-pitch .dja-icon-btn {
  width: 24px;
  height: 24px;
  font-size: 0.95rem;
}

.dja-head-meta {
  display: block;
  margin-top: 2px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--dja-muted);
}

.dja-time {
  font-variant-numeric: tabular-nums;
  color: var(--dja-muted);
  min-width: 7.5rem;
  text-align: center;
}

.dja-sep {
  width: 1px;
  height: 18px;
  background: var(--dja-border);
  margin: 0 0.25rem;
}

.dja-arrange {
  display: flex;
  min-height: 0;
  grid-row: 2;
  grid-column: 1;
  border-bottom: 1px solid var(--dja-border);
}

.dja-heads {
  width: var(--dja-head-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--dja-border);
  background: var(--dja-surface);
}

.dja-head-ruler {
  height: var(--dja-ruler-h);
  flex: 0 0 var(--dja-ruler-h);
  border-bottom: 1px solid var(--dja-border);
}

.dja-head {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 0 0.7rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--dja-border);
}

.dja-head[data-deck="1"] {
  color: var(--dja-deck1b);
}

.dja-head[data-deck="2"] {
  color: var(--dja-deck2b);
  border-bottom: none;
}

.dja-scroll {
  position: relative;
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow-x: scroll;
  overflow-y: hidden;
  background: #0e1014;
}

.dja-inner {
  height: 100%;
  min-height: 100%;
  position: relative;
}

.dja-canvas {
  position: sticky;
  left: 0;
  top: 0;
  display: block;
  z-index: 1;
  height: 100%;
  cursor: default;
}

.dja-playlist-wrap {
  grid-row: 3;
  grid-column: 1;
  min-height: 0;
  overflow: auto;
  background: var(--dja-surface);
}

.dja-playlist {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.dja-playlist th,
.dja-playlist td {
  padding: 0.45rem 0.7rem;
  text-align: left;
  border-bottom: 1px solid var(--dja-border);
  white-space: nowrap;
}

.dja-playlist th {
  position: sticky;
  top: 0;
  background: var(--dja-surface2);
  color: var(--dja-muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  z-index: 1;
}

.dja-playlist tbody tr {
  cursor: pointer;
}

.dja-playlist tbody tr:hover,
.dja-playlist tbody tr.is-on {
  background: rgba(255, 75, 139, 0.08);
}

.dja-playlist tbody tr.is-playing {
  background: rgba(78, 163, 255, 0.1);
}

.dja-cover {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  object-fit: cover;
  background: #2a2d36;
  display: block;
}

.dja-num {
  color: var(--dja-muted);
  width: 2rem;
}

.dja-key {
  font-weight: 700;
  color: #7ee0a8;
}

.dja-del {
  border: 0;
  background: transparent;
  color: var(--dja-muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0.15rem 0.35rem;
}

.dja-del:hover {
  color: #ff6b8a;
}

.dja-empty {
  margin: 1.25rem;
  color: var(--dja-muted);
}

.dja-picker {
  display: none;
  grid-row: 1 / -1;
  grid-column: 2;
  min-width: 0;
  min-height: 0;
  background: var(--dja-surface);
  border-left: 1px solid var(--dja-border);
  z-index: 4;
}

.dja.is-picking .dja-picker {
  display: flex;
}

.dja-picker.hidden {
  display: none !important;
}

.dja-picker-panel {
  width: 100%;
  height: 100%;
  min-height: 0;
  background: var(--dja-surface);
  display: flex;
  flex-direction: column;
}

.dja-picker-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--dja-border);
}

.dja-picker-head h2 {
  margin: 0;
  font-size: 0.95rem;
}

.dja-picker-search {
  margin: 0.65rem 1rem 0.35rem;
  width: calc(100% - 2rem);
  box-sizing: border-box;
  border: 1px solid var(--dja-border);
  background: var(--dja-bg);
  color: inherit;
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  font: inherit;
}

.dja-picker-count {
  margin: 0 1rem 0.4rem;
  color: var(--dja-muted);
  font-size: 0.78rem;
}

.dja-picker-list {
  flex: 1;
  overflow: auto;
  padding: 0 0.5rem 0.5rem;
}

.dja-pick-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.45rem;
  border-radius: 8px;
  cursor: pointer;
}

.dja-pick-row:hover,
.dja-pick-row.is-on {
  background: rgba(255, 255, 255, 0.05);
}

.dja-pick-row.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.dja-pick-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dja-pick-meta {
  color: var(--dja-muted);
  font-size: 0.72rem;
}

.dja-picker-foot {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--dja-border);
}

.dja-picker-foot .dja-btn {
  flex: 1;
}

@media (max-width: 780px) {
  .dja {
    --dja-lane-h: 92px;
    --dja-head-w: 64px;
    --dja-picker-w: min(320px, 86vw);
  }
  .dja.is-picking {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(140px, 1fr) minmax(120px, 0.7fr) minmax(180px, 0.9fr);
  }
  .dja.is-picking .dja-picker {
    grid-row: 4;
    grid-column: 1;
    border-left: 0;
    border-top: 1px solid var(--dja-border);
  }
  .dja-toolbar {
    flex-wrap: wrap;
    height: auto;
    padding: 0.45rem 0.65rem;
  }
}