:root {
  color-scheme: dark;
  --chip-bg: #090a11;
  --chip-panel: rgba(18, 20, 31, .96);
  --chip-panel-2: rgba(25, 28, 43, .94);
  --chip-line: rgba(176, 153, 255, .2);
  --chip-text: #f7f3ff;
  --chip-muted: rgba(247, 243, 255, .62);
  --chip-accent: #b98cff;
  --chip-accent-2: #6ec9ff;
  --chip-danger: #ff7f96;
  --chip-good: #76e6bb;
}

* { box-sizing: border-box; }

body.chip-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 10%, rgba(118, 70, 206, .16), transparent 34%),
    radial-gradient(circle at 82% 16%, rgba(50, 154, 209, .1), transparent 30%),
    var(--chip-bg);
  color: var(--chip-text);
}

button,
input,
select { font: inherit; }

button,
select,
input[type="range"],
input[type="checkbox"] { cursor: pointer; }

button:focus-visible,
input:focus-visible,
select:focus-visible,
.sequencer-viewport:focus-visible {
  outline: 2px solid #e5d2ff;
  outline-offset: 2px;
}

.chip-main {
  width: min(1540px, calc(100% - 28px));
  margin: 0 auto;
  padding: 112px 0 72px;
}

.chip-hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 22px;
}

.chip-hero > div:first-child { max-width: 850px; }

.chip-kicker,
.eyebrow,
.section-label {
  margin: 0;
  color: #cdb8ff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.chip-hero h1 {
  margin: 7px 0 10px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: .96;
}

.chip-hero p:last-child {
  margin: 0;
  color: var(--chip-muted);
  font-size: clamp(15px, 1.8vw, 19px);
  line-height: 1.55;
}

.hero-actions,
.transport-buttons,
.edit-actions,
.project-actions,
.track-toggle-pair {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ui-btn,
.mini-btn,
.state-btn,
.transport-main,
.transport-stop {
  border: 1px solid rgba(211, 192, 255, .26);
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(145deg, rgba(118, 73, 200, .96), rgba(69, 39, 121, .96));
  box-shadow: inset 0 1px rgba(255,255,255,.12);
  font-weight: 800;
  transition: transform .14s ease, border-color .14s ease, background .14s ease, opacity .14s ease;
}

.ui-btn:hover,
.mini-btn:hover,
.state-btn:hover,
.transport-main:hover,
.transport-stop:hover { transform: translateY(-1px); border-color: rgba(224, 210, 255, .52); }

.ui-btn:disabled,
.mini-btn:disabled,
.state-btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }

.ui-btn { min-height: 42px; padding: 0 16px; }
.ui-btn-ghost,
.mini-btn,
.state-btn { background: rgba(255,255,255,.045); }
.mini-btn { min-height: 34px; padding: 0 11px; font-size: 12px; }
.state-btn { min-height: 32px; padding: 0 10px; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.state-btn[aria-pressed="true"] { background: linear-gradient(145deg, rgba(190, 118, 255, .98), rgba(91, 55, 161, .98)); }
.danger-btn { border-color: rgba(255, 128, 151, .28); color: #ffc4cf; }

.transport-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  padding: 15px;
  border: 1px solid var(--chip-line);
  border-radius: 18px;
  background: rgba(14, 16, 25, .9);
  box-shadow: 0 22px 60px rgba(0,0,0,.28);
  margin-bottom: 14px;
}

.transport-main,
.transport-stop {
  min-height: 46px;
  padding: 0 17px;
  font-size: 13px;
}

.transport-stop { background: rgba(255,255,255,.055); }
.transport-main.is-active { background: linear-gradient(145deg, rgba(55, 170, 145, .96), rgba(30, 102, 92, .96)); }

.transport-field,
.toggle-field {
  display: grid;
  gap: 6px;
  min-width: 82px;
}

.transport-field label,
.toggle-field,
.range-row span,
.form-row > span {
  color: var(--chip-muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.transport-field input[type="number"],
.transport-field select,
.form-row select,
.form-row input[type="text"] {
  min-height: 38px;
  border: 1px solid var(--chip-line);
  border-radius: 9px;
  background: rgba(255,255,255,.055);
  color: #fff;
  padding: 0 10px;
}

.transport-field input[type="number"] { width: 82px; }
.wide-field { min-width: 148px; }
.compact-field { min-width: 80px; }

input[type="range"] { width: 100%; accent-color: var(--chip-accent); }
input[type="checkbox"] { accent-color: var(--chip-accent); }

.toggle-field {
  grid-template-columns: auto 1fr;
  align-items: center;
  align-self: center;
  min-width: auto;
  padding: 8px 5px;
}

.transport-status {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  margin-left: auto;
  color: var(--chip-muted);
  font-size: 12px;
  font-weight: 700;
}

.status-lamp {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  box-shadow: 0 0 0 4px rgba(255,255,255,.04);
}
.status-lamp.is-live { background: var(--chip-good); box-shadow: 0 0 16px rgba(118,230,187,.72); }

.studio-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 300px;
  gap: 14px;
  align-items: start;
}

.track-panel,
.editor-panel,
.inspector-card {
  border: 1px solid var(--chip-line);
  border-radius: 18px;
  background: var(--chip-panel);
  box-shadow: 0 24px 70px rgba(0,0,0,.24);
}

.track-panel,
.inspector-card { padding: 16px; }
.editor-panel { min-width: 0; overflow: hidden; }

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.panel-heading h2 {
  margin: 4px 0 0;
  font-size: 19px;
}

.compact-heading { margin-bottom: 16px; }

.track-list { display: grid; gap: 8px; }

.track-item {
  display: grid;
  grid-template-columns: 34px minmax(0,1fr) auto;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  background: rgba(255,255,255,.03);
  color: #fff;
  text-align: left;
}

.track-item:hover { border-color: rgba(205,184,255,.34); }
.track-item.is-selected { border-color: rgba(205,184,255,.56); background: rgba(145, 104, 222, .16); }
.track-item.is-muted { opacity: .48; }

.track-dot {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--track-color, #8c66d8);
  box-shadow: inset 0 1px rgba(255,255,255,.2);
  color: #090a11;
  font-size: 11px;
  font-weight: 950;
}

.track-copy { min-width: 0; }
.track-copy strong,
.track-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-copy strong { font-size: 13px; }
.track-copy span { margin-top: 2px; color: var(--chip-muted); font-size: 10px; }
.track-state { color: #d9c7ff; font-size: 10px; font-weight: 900; }

.track-help {
  display: grid;
  gap: 5px;
  margin-top: 15px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.035);
  color: var(--chip-muted);
  font-size: 10px;
  line-height: 1.35;
}
.track-help strong { color: #fff; }

.editor-topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--chip-line);
  background: rgba(255,255,255,.018);
}

.pattern-bank-wrap { display: grid; gap: 8px; }
.pattern-bank { display: flex; flex-wrap: wrap; gap: 6px; }
.pattern-btn {
  min-width: 38px;
  height: 34px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 9px;
  background: rgba(255,255,255,.045);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}
.pattern-btn[aria-selected="true"] { background: linear-gradient(145deg, rgba(179,129,255,.98), rgba(84,48,150,.98)); border-color: rgba(232,218,255,.52); }

.edit-actions { justify-content: flex-end; align-content: center; }

.grid-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  padding: 12px 14px 10px;
}
.grid-meta > div:first-child { display: flex; align-items: baseline; gap: 10px; }
.grid-meta span { color: var(--chip-muted); font-size: 12px; }
.grid-meta strong { font-size: 14px; }
.grid-hint { color: rgba(255,255,255,.38); font-size: 10px; }

.sequencer-viewport {
  min-height: 520px;
  max-height: 62vh;
  overflow: auto;
  border-top: 1px solid rgba(255,255,255,.05);
  border-bottom: 1px solid rgba(255,255,255,.05);
  background:
    linear-gradient(rgba(255,255,255,.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.012) 1px, transparent 1px),
    rgba(7, 8, 13, .72);
  background-size: 24px 24px;
  scrollbar-color: rgba(180,145,255,.45) rgba(255,255,255,.03);
}

.sequencer-grid {
  display: grid;
  width: max-content;
  min-width: 100%;
  padding: 8px;
  --cell-size: 30px;
  grid-template-columns: 72px repeat(var(--steps), var(--cell-size));
  gap: 3px;
}

.grid-corner,
.step-head,
.note-label,
.step-cell {
  min-height: var(--cell-size);
  border-radius: 6px;
}

.grid-corner,
.step-head,
.note-label {
  display: grid;
  place-items: center;
  position: sticky;
  z-index: 2;
  background: rgba(18,20,31,.98);
}

.grid-corner { top: 0; left: 0; z-index: 4; color: var(--chip-muted); font-size: 9px; }
.step-head { top: 0; color: rgba(255,255,255,.48); font-size: 9px; font-weight: 800; }
.step-head.is-beat { color: #e5d7ff; background: rgba(98,69,151,.86); }
.note-label {
  left: 0;
  justify-items: end;
  padding-right: 9px;
  color: rgba(255,255,255,.62);
  font-size: 10px;
  font-weight: 800;
}
.note-label.is-black-note { color: rgba(190,214,255,.72); background: rgba(21,27,42,.98); }

.step-cell {
  position: relative;
  border: 1px solid rgba(255,255,255,.055);
  background: rgba(255,255,255,.028);
  padding: 0;
  touch-action: none;
}
.step-cell:hover { border-color: rgba(210,192,255,.36); background: rgba(255,255,255,.06); }
.step-cell.is-beat { background: rgba(128,92,191,.055); }
.step-cell.is-active {
  border-color: color-mix(in srgb, var(--track-color) 75%, white 25%);
  background: color-mix(in srgb, var(--track-color) 68%, #131522 32%);
  box-shadow: inset 0 1px rgba(255,255,255,.22), 0 0 10px color-mix(in srgb, var(--track-color) 30%, transparent 70%);
}
.step-cell.is-accent::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  right: 3px;
  top: 3px;
  border-radius: 50%;
  background: #fff4b8;
  box-shadow: 0 0 7px rgba(255,244,184,.75);
}
.step-cell.is-playhead,
.step-head.is-playhead {
  box-shadow: inset 0 -3px #7ee6ff;
}
.step-cell.is-playhead { background-image: linear-gradient(rgba(126,230,255,.11), rgba(126,230,255,.11)); }

.editor-footer {
  display: grid;
  grid-template-columns: minmax(130px, .45fr) minmax(220px, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
}
.now-playing { min-width: 0; }
.now-label { display: block; color: var(--chip-muted); font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }
.now-playing strong { display: block; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
#visualizer { width: 100%; height: 58px; border-radius: 10px; background: rgba(0,0,0,.23); }

.inspector-panel { display: grid; gap: 14px; }

.form-row,
.range-row {
  display: grid;
  gap: 7px;
  margin-bottom: 13px;
}
.form-row { grid-template-columns: 82px minmax(0,1fr); align-items: center; }
.form-row select,
.form-row input[type="text"] { width: 100%; min-width: 0; }
.range-row output,
.transport-field output { color: #fff; float: right; font-weight: 800; }

.song-card .small-copy {
  margin: -4px 0 12px;
  color: var(--chip-muted);
  font-size: 11px;
  line-height: 1.45;
}

.song-chain {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
}
.song-slot {
  display: grid;
  gap: 4px;
}
.song-slot span { color: rgba(255,255,255,.42); font-size: 9px; text-align: center; }
.song-slot select {
  width: 100%;
  min-height: 34px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  background: rgba(255,255,255,.045);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}
.song-slot.is-playing select { border-color: #7ee6ff; box-shadow: 0 0 0 2px rgba(126,230,255,.14); }

.project-name-row { grid-template-columns: 55px minmax(0,1fr); }
.project-actions { display: grid; grid-template-columns: 1fr 1fr; }
.project-actions .ui-btn:first-child { grid-column: 1 / -1; }
.save-status { margin: 12px 0 0; color: rgba(255,255,255,.45); font-size: 10px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 9999;
  max-width: min(92vw, 460px);
  transform: translate(-50%, 20px);
  padding: 11px 15px;
  border: 1px solid rgba(220,205,255,.32);
  border-radius: 12px;
  background: rgba(17,19,28,.96);
  color: #fff;
  box-shadow: 0 18px 50px rgba(0,0,0,.42);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  font-size: 12px;
  font-weight: 700;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1180px) {
  .studio-shell { grid-template-columns: 190px minmax(0,1fr); }
  .inspector-panel { grid-column: 1 / -1; grid-template-columns: repeat(3, minmax(0,1fr)); }
  .sequencer-viewport { max-height: 58vh; }
}

@media (max-width: 860px) {
  .chip-main { width: min(100% - 16px, 1540px); padding-top: 92px; }
  .chip-hero { align-items: flex-start; flex-direction: column; }
  .hero-actions { width: 100%; }
  .hero-actions .ui-btn { flex: 1; }
  .transport-status { width: 100%; margin-left: 0; }
  .studio-shell { grid-template-columns: 1fr; }
  .track-panel { padding: 12px; }
  .track-list { grid-template-columns: repeat(5, minmax(112px,1fr)); overflow-x: auto; padding-bottom: 4px; }
  .track-item { grid-template-columns: 30px minmax(0,1fr); min-width: 112px; }
  .track-dot { width: 30px; height: 30px; }
  .track-state { display: none; }
  .track-help { display: none; }
  .inspector-panel { grid-column: auto; grid-template-columns: 1fr 1fr; }
  .project-card { grid-column: 1 / -1; }
  .editor-topbar { flex-direction: column; }
  .edit-actions { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .chip-main { padding-bottom: 48px; }
  .chip-hero h1 { font-size: 42px; }
  .transport-panel { padding: 11px; border-radius: 14px; }
  .transport-buttons { width: 100%; display: grid; grid-template-columns: 1fr 1fr 1fr; }
  .transport-main,
  .transport-stop { padding: 0 9px; font-size: 11px; }
  .wide-field { flex: 1 1 42%; }
  .transport-field input[type="number"] { width: 72px; }
  .track-panel,
  .editor-panel,
  .inspector-card { border-radius: 14px; }
  .grid-meta { align-items: flex-start; }
  .grid-meta > div:first-child { display: grid; gap: 2px; }
  .grid-hint { display: none; }
  .sequencer-viewport { min-height: 430px; max-height: 58vh; }
  .sequencer-grid { --cell-size: 28px; grid-template-columns: 60px repeat(var(--steps), var(--cell-size)); }
  .editor-footer { grid-template-columns: 1fr; }
  #visualizer { height: 48px; }
  .inspector-panel { grid-template-columns: 1fr; }
  .project-card { grid-column: auto; }
  .song-chain { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* v119 responsive containment and instrument visibility */
.track-panel,
.inspector-panel,
.inspector-card {
  min-width: 0;
}

.melodic-only[hidden] {
  display: none !important;
}

.sequencer-viewport.is-drums {
  min-height: 260px;
  max-height: 360px;
}

@media (max-width: 860px) {
  .track-list {
    width: 100%;
    max-width: 100%;
  }
}