:root{
  --bg: #ffffff;
  --ink: #0a0a0a;
  --ink-dim: #767676;
  --line: #e6e6e6;
  --line-soft: #f1f1f1;
  --panel: #fafafa;

  --blue: #3b6dff;
  --pink: #ff3b8d;
  --green: #22c07a;
  --amber: #ff9d3b;
  --purple: #9b5bff;

  --display: 'Sora', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

*{ box-sizing: border-box; }

html, body{
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  min-height: 100vh;
  overflow-x: hidden;
}

a{ color: inherit; }

::selection{ background: var(--ink); color: var(--bg); }

:focus-visible{
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------- home ---------- */

.home{
  position: relative;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3rem;
}

.notes-field{
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.note{
  position: absolute;
  bottom: -10vh;
  font-family: var(--display);
  will-change: transform, opacity;
  animation-name: rise;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  opacity: 0.8;
}

@keyframes rise{
  0%{ transform: translateY(0) translateX(0) rotate(0deg); opacity: 0; }
  8%{ opacity: 0.85; }
  92%{ opacity: 0.6; }
  100%{ transform: translateY(-115vh) translateX(var(--drift, 0px)) rotate(var(--spin, 20deg)); opacity: 0; }
}

.home-title{
  position: relative;
  text-align: center;
  z-index: 2;
}

.home-title .eyebrow{
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--ink-dim);
  margin-bottom: 0.9rem;
}

.home-title h1{
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7.5vw, 5.4rem);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
}

/* galaxy text: the one spot of color on this page */
.home-title h1 span{
  background: linear-gradient(120deg, var(--purple), var(--blue) 30%, var(--pink) 60%, var(--amber) 85%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: galaxy-shift 7s ease-in-out infinite;
}

@keyframes galaxy-shift{
  0%{ background-position: 0% 50%; }
  50%{ background-position: 100% 50%; }
  100%{ background-position: 0% 50%; }
}

.actions{
  position: relative;
  z-index: 2;
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn{
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  padding: 0.95rem 1.8rem;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  transition: transform 0.15s ease, box-shadow 0.25s ease, opacity 0.2s ease;
}

.btn:hover{ transform: translateY(-2px); }

.btn.secondary{
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
}

.btn.secondary:hover{ border-color: var(--ink); }

.btn.secondary .dot{ background: var(--ink); }

.btn .dot{
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: none;
}

/* create music: the "cool" button — animated galaxy gradient fill */
.btn.primary{
  position: relative;
  color: #fff;
  background: linear-gradient(120deg, var(--purple), var(--blue) 35%, var(--pink) 70%, var(--amber));
  background-size: 300% 100%;
  animation: galaxy-shift 6s ease-in-out infinite;
  box-shadow: 0 8px 24px rgba(59, 109, 255, 0.25);
}

.btn.primary .dot{ background: #fff; }

.btn.primary:hover{
  box-shadow: 0 10px 30px rgba(155, 91, 255, 0.35);
}

.home-footer{
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 0.68rem;
  color: var(--ink-dim);
  letter-spacing: 0.08em;
}

/* ---------- composer (creation) page ---------- */

.composer-controls{
  padding: 1rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
  overflow-y: auto;
}

.ctrl-row{
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.ctrl-row label{
  width: 78px;
  flex: none;
  font-size: 0.66rem;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
}

.ctrl-row select,
.ctrl-row input[type="number"]{
  flex: 1;
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.4rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.7rem;
}

.ctrl-row input[type="range"]{
  flex: 1;
  accent-color: var(--ink);
}

.ctrl-val{
  font-size: 0.64rem;
  color: var(--ink-dim);
  width: 52px;
  text-align: right;
  flex: none;
}

.checkbox-label{
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.66rem;
  color: var(--ink-dim);
  width: auto;
  cursor: pointer;
}

.checkbox-label input{
  accent-color: var(--purple);
}

.generate-btn{
  margin: 0 1.3rem 0.9rem;
  padding: 0.8rem 0.9rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: #fff;
  background: linear-gradient(120deg, var(--purple), var(--blue) 40%, var(--pink) 75%, var(--amber));
  background-size: 300% 100%;
  animation: galaxy-shift 6s ease-in-out infinite;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.generate-btn:hover{ opacity: 0.92; transform: translateY(-1px); }

.chord-strip{
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.chord-block{
  min-width: 58px;
  padding: 0.55rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-align: center;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.chord-block .chord-roman{
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.82rem;
}

.chord-block .chord-name{
  font-size: 0.6rem;
  color: var(--ink-dim);
  margin-top: 0.2rem;
  letter-spacing: 0.03em;
}

.chord-block.active{
  border-color: var(--purple);
  background: rgba(155, 91, 255, 0.08);
  transform: translateY(-2px);
}

/* ---------- player page ---------- */

.player-page{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.player-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 1.8rem;
  border-bottom: 1px solid var(--line);
}

.back-link{
  font-size: 0.75rem;
  color: var(--ink-dim);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.back-link:hover{ color: var(--ink); }

.player-top .brand{
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

.player-body{
  flex: 1;
  display: flex;
  align-items: stretch;
  min-height: 0;
}

/* mixer docked to the left, popped out as its own dark panel */

.mixer{
  --bg: #0a0a0a;
  --ink: #f4f4f4;
  --ink-dim: #8f8f8f;
  --line: #262626;
  --line-soft: #1b1b1b;
  --panel: #161616;

  width: min(420px, 46vw);
  background: var(--bg);
  color: var(--ink);
  border: 1px solid #1c1c1c;
  border-radius: 18px;
  margin: 1.4rem 0 1.4rem 1.4rem;
  box-shadow: 0 24px 60px rgba(0,0,0,0.16), 0 4px 14px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.mixer.expanded{
  position: fixed;
  inset: 1rem;
  width: auto;
  z-index: 60;
  animation: mixer-pop 0.28s ease;
}

@keyframes mixer-pop{
  from{ opacity: 0; transform: scale(0.97) translateY(8px); }
  to{ opacity: 1; transform: scale(1) translateY(0); }
}

.mixer-head{
  padding: 1rem 1.3rem 0.9rem;
  border-bottom: 1px solid var(--line);
}

.mixer-head-top{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.mixer-head .title{
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
}

.mixer-head .sub{
  font-size: 0.68rem;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

.expand-btn{
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
  font-size: 0.95rem;
  flex: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.expand-btn:hover{ border-color: var(--ink-dim); color: var(--ink); }

.tabs{
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tab-btn{
  flex: 1;
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn.active{
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.channels{
  flex: 1;
  overflow-y: auto;
}

.effect-row{
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.7rem;
}

.fx-list{
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.fx-item{
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.fx-toggle{
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 96px;
  flex: none;
  font-size: 0.66rem;
  letter-spacing: 0.03em;
  color: var(--ink-dim);
  cursor: pointer;
}

.fx-toggle input[type="checkbox"]{
  width: 13px;
  height: 13px;
  accent-color: var(--purple);
  flex: none;
}

.fx-amount{
  flex: 1;
  accent-color: var(--ink);
}

.fx-amount:disabled{
  opacity: 0.3;
}

.channel{
  padding: 0.95rem 1.3rem;
  border-bottom: 1px solid var(--line-soft);
}

.channel-info{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
}

.channel-name-wrap{
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.channel-color{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.channel-name{
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.88rem;
}

.channel-file{
  display: block;
  font-size: 0.6rem;
  color: var(--ink-dim);
}

.channel-controls{
  display: flex;
  gap: 0.4rem;
  flex: none;
}

.mini-btn{
  width: 26px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 0.62rem;
  cursor: pointer;
}

.mini-btn.solo.active{ border-color: var(--green); color: var(--green); background: rgba(34,192,122,0.12); }
.mini-btn.mute.active{ border-color: var(--pink); color: var(--pink); background: rgba(255,59,141,0.12); }

.waveform-wrap{
  position: relative;
  width: 100%;
  height: 44px;
  border-radius: 6px;
  background: var(--panel);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.waveform-wrap canvas{
  width: 100%;
  height: 100%;
  display: block;
}

.waveform-wrap .playhead{
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--ink);
  left: 0%;
  opacity: 0.6;
}

.waveform-wrap .loading-tag{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

.channel-fader{
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.channel-fader input[type="range"]{
  width: 100%;
  accent-color: var(--ink);
}

.channel-fader .val{
  font-size: 0.62rem;
  color: var(--ink-dim);
  width: 30px;
  text-align: right;
  flex: none;
}

.pick-files-btn{
  display: block;
  margin: 0 1.3rem 0.9rem;
  padding: 0.7rem 0.9rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
  text-align: center;
  font-size: 0.7rem;
  color: var(--ink-dim);
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.pick-files-btn:hover{
  border-color: var(--ink-dim);
  color: var(--ink);
}

.add-track-btn{
  display: block;
  margin: 0.9rem 1.3rem 0.7rem;
  padding: 0.65rem 0.9rem;
  border: 1px dashed var(--purple);
  border-radius: 8px;
  text-align: center;
  font-size: 0.7rem;
  color: var(--purple);
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}

.add-track-btn:hover{ border-style: solid; }

.add-track-btn.done{
  cursor: default;
  opacity: 0.5;
  border-style: solid;
}

.mixer-foot{
  padding: 0.85rem 1.3rem;
  font-size: 0.65rem;
  color: var(--ink-dim);
  letter-spacing: 0.03em;
  border-top: 1px solid var(--line);
}

/* right side: deck + transport */

.deck-side{
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.4rem;
  padding: 2rem;
}

.record-player{
  position: relative;
  width: 210px;
  height: 196px;
}

.record{
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle at center, #232323 0 2px, #050505 3px 6px);
  border: 1px solid #1c1c1c;
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  animation: spin 3.2s linear infinite;
  animation-play-state: paused;
  box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.record.spinning{ animation-play-state: running; }

.record-label{
  position: absolute;
  inset: 0;
  margin: auto;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--purple), var(--pink) 60%, var(--amber));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: #fff;
}

.record-label::after{
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0a0a0a;
  border: 1px solid #3a3a3a;
}

.tonearm{
  position: absolute;
  top: 2px;
  right: -8px;
  width: 128px;
  height: 6px;
  background: linear-gradient(90deg, #d8d8d8, #8c8c8c);
  border-radius: 3px;
  transform-origin: 100% 50%;
  transform: rotate(var(--tonearm-angle, -28deg));
  transition: transform 0.4s linear;
  box-shadow: 0 3px 8px rgba(0,0,0,0.18);
}

.tonearm::before{
  content: "";
  position: absolute;
  right: -11px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #2b2b2b;
  box-shadow: 0 3px 6px rgba(0,0,0,0.22);
}

.tonearm-needle{
  position: absolute;
  left: -3px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #101010;
  box-shadow: 0 0 0 2px rgba(0,0,0,0.08);
}


@keyframes spin{
  to{ transform: rotate(360deg); }
}

.track-title{
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.3rem;
  text-align: center;
}

.track-sub{
  font-size: 0.7rem;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  text-align: center;
  margin-top: 0.35rem;
}

.timeline-wrap{
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.timeline{
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.timeline-fill{
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0%;
  background: linear-gradient(120deg, var(--purple), var(--blue) 40%, var(--pink) 75%, var(--amber));
}

.timeline-time{
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
}

.transport{
  width: 100%;
  max-width: 420px;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.3rem;
}

.transport-btn{
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.transport-btn:hover{ border-color: var(--ink); transform: translateY(-1px); }
.transport-btn:disabled{ opacity: 0.35; cursor: default; transform: none; }

.transport-btn.small{
  width: 38px;
  height: 38px;
  font-size: 0.62rem;
  letter-spacing: 0.01em;
}

.transport-group{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}

.transport-group input[type="range"]{ width: 100px; accent-color: var(--ink); }

.reverse-toggle{
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.reverse-toggle.active{
  border-color: var(--purple);
  color: var(--purple);
}

.load-status{
  font-size: 0.68rem;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  text-align: center;
  min-height: 1em;
}

@media (max-width: 760px){
  .player-body{ flex-direction: column; }
  .mixer{ width: 100%; border-right: none; border-bottom: 1px solid var(--line); }
}

/* ---------- drum machine (creation page) ---------- */

.drum-machine{
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.drum-row{
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.drum-row-label{
  width: 3.6rem;
  flex: none;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.drum-row-label .channel-color{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.step-grid{
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 3px;
  flex: 1;
}

.step-cell{
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.08s ease;
}

.step-cell:nth-child(4n + 1){ border-left: 1px solid var(--ink-dim); }

.step-cell:hover{ border-color: var(--ink-dim); }

.step-cell.active{
  background: var(--fx-color, var(--pink));
  border-color: var(--fx-color, var(--pink));
}

.step-cell.playing{ transform: scale(0.82); }

.drum-controls-row{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.2rem;
}

.drum-controls-row .ctrl-row{ flex: 1; }

.clear-pattern-btn{
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.clear-pattern-btn:hover{ border-color: var(--pink); color: var(--pink); }

/* ---------- piano dock (creation page) ---------- */

.piano-dock{
  border-top: 1px solid var(--line);
  padding: 0.9rem 1.4rem 1.1rem;
  background: var(--bg);
}

.piano-dock-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.piano-dock-head .title{
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.85rem;
}

.piano-dock-controls{
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.68rem;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}

.piano-dock-controls label{ display: flex; align-items: center; gap: 0.4rem; }

.piano-keys{
  position: relative;
  display: flex;
  height: 120px;
  user-select: none;
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: 8px;
}

.white-key{
  position: relative;
  flex: none;
  width: 42px;
  height: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0 0 6px 6px;
  cursor: pointer;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.35rem;
  font-size: 0.6rem;
  color: var(--ink-dim);
  transition: background 0.06s ease;
}

.white-key.pressed{ background: var(--line-soft); color: var(--ink); }

.black-key{
  position: absolute;
  top: 0;
  width: 26px;
  height: 62%;
  background: var(--ink);
  border-radius: 0 0 5px 5px;
  cursor: pointer;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.3rem;
  font-size: 0.55rem;
  color: #cfcfcf;
  transition: background 0.06s ease;
}

.black-key.pressed{ background: #3a3a3a; }

@media (max-width: 760px){
  .step-grid{ grid-template-columns: repeat(16, minmax(14px, 1fr)); }
  .drum-row-label{ width: 2.8rem; }
}

/* ================================================================
   DAW-style music creation page (Logic Pro inspired, dark)
   ================================================================ */

.daw-page{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #0a0a0a;
  color: #f4f4f4;
  font-family: var(--mono);
}

.daw-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.6rem;
  border-bottom: 1px solid #1c1c1c;
}

.daw-top .back-link{ color: #8f8f8f; }
.daw-top .back-link:hover{ color: #f4f4f4; }

.daw-top .brand{
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

.daw-top-actions{
  display: flex;
  gap: 0.5rem;
}

.daw-icon-btn{
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid #262626;
  background: #141414;
  color: #8f8f8f;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--mono);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.daw-icon-btn:hover{ border-color: #3a3a3a; color: #f4f4f4; }

.daw-body{
  flex: 1;
  display: flex;
  min-height: 0;
}

/* ---- track list ---- */

.track-list{
  width: 260px;
  flex: none;
  border-right: 1px solid #1c1c1c;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: #0d0d0d;
}

.track-row{
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid #161616;
  cursor: pointer;
  transition: background 0.12s ease;
}

.track-row:hover{ background: #121212; }
.track-row.selected{ background: #181818; }

.track-color{
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}

.track-info{ flex: 1; min-width: 0; }

.track-name{
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.76rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-inst{
  font-size: 0.58rem;
  color: #8f8f8f;
  letter-spacing: 0.03em;
  margin-top: 0.1rem;
}

.track-mini-btn{
  width: 21px;
  height: 20px;
  border-radius: 5px;
  border: 1px solid #262626;
  background: #141414;
  color: #8f8f8f;
  font-family: var(--mono);
  font-size: 0.56rem;
  cursor: pointer;
  flex: none;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.track-mini-btn:hover{ border-color: #3a3a3a; color: #f4f4f4; }
.track-mini-btn.mute.active{ border-color: var(--pink); color: var(--pink); background: rgba(255,59,141,0.12); }
.track-mini-btn.solo.active{ border-color: var(--green); color: var(--green); background: rgba(34,192,122,0.12); }

.track-vol{
  width: 42px;
  flex: none;
  accent-color: #8f8f8f;
}

.add-track-btn{
  margin: 0.85rem;
  padding: 0.6rem;
  border: 1px dashed var(--purple);
  border-radius: 8px;
  background: transparent;
  color: var(--purple);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: border-style 0.15s ease;
}

.add-track-btn:hover{ border-style: solid; }

/* ---- editor area ---- */

.editor-area{
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.editor-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.3rem;
  border-bottom: 1px solid #1c1c1c;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.editor-title{
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.86rem;
}

.editor-controls{
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.editor-grid-wrap{
  flex: 1;
  overflow: auto;
  padding: 0.7rem;
  background: #0d0d10;
}

/* ---- piano roll ---- */

.piano-roll{
  display: flex;
  min-width: max-content;
}

.roll-keys{
  display: flex;
  flex-direction: column;
  position: sticky;
  left: 0;
  z-index: 2;
}

.roll-key{
  height: 20px;
  width: 58px;
  flex: none;
  font-size: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding-left: 0.5rem;
  border-bottom: 1px solid #1a1a1a;
  color: #4a4a4a;
  box-sizing: border-box;
}

.roll-key-dot{
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
  box-shadow: 0 0 4px rgba(255,255,255,0.15);
}

/* piano-key look: white keys glossy/raised, black keys inset/glossy-dark */
.roll-key.white{
  background: linear-gradient(180deg, #f2f2f2, #d6d6d6);
  color: #333;
  box-shadow: inset -3px 0 4px rgba(0,0,0,0.12), inset 0 -2px 2px rgba(0,0,0,0.06);
}

.roll-key.black{
  background: linear-gradient(180deg, #2c2c2c, #050505);
  color: #cfcfcf;
  box-shadow: inset -3px 0 4px rgba(255,255,255,0.06), 2px 0 6px rgba(0,0,0,0.45);
  width: 46px;
}

.roll-rows{ display: flex; flex-direction: column; }

.roll-row{
  display: flex;
  height: 20px;
  border-bottom: 1px solid #141414;
}

.roll-row.black-row{ background: rgba(255,255,255,0.02); }

.roll-cell{
  width: 24px;
  height: 20px;
  flex: none;
  margin: 1px;
  border-right: 1px solid #141414;
  cursor: pointer;
  box-sizing: border-box;
  border-radius: 4px;
  transition: background 0.1s ease, transform 0.08s ease;
  position: relative;
  touch-action: none;
}

.roll-cell:hover{ background: rgba(255,255,255,0.08); transform: scale(1.04); }
.roll-cell.bar-start{ border-left: 1px solid #2a2a2a; }
.roll-cell.active{ box-shadow: 0 0 0 1px rgba(255,255,255,0.18) inset, 0 2px 6px rgba(0,0,0,0.35); }
.roll-cell.playing-col{ outline: 2px solid rgba(255,255,255,0.55); outline-offset: -2px; }

/* long/held notes - the cells that make up one note are drawn as a single
   continuous bar rather than separate boxes, so it reads as "one long note" */
.roll-cell.active.note-start{ border-top-right-radius: 0; border-bottom-right-radius: 0; margin-right: 0; cursor: grab; }
.roll-cell.active.note-end{ border-top-left-radius: 0; border-bottom-left-radius: 0; margin-left: 0; cursor: grab; }
.roll-cell.active.note-start:not(.note-end),
.roll-cell.active.note-end:not(.note-start){ border-radius: 0; }
.roll-cell.active:not(.note-start):not(.note-end){ border-radius: 0; margin-left: 0; margin-right: 0; }
.roll-cell.active.note-start.note-end{ border-radius: 4px; margin-left: 1px; margin-right: 1px; }

.note-resize-handle{
  position: absolute;
  top: 0;
  right: -3px;
  width: 8px;
  height: 100%;
  cursor: ew-resize;
  z-index: 3;
  touch-action: none;
}
.roll-cell:hover .note-resize-handle{ background: rgba(255,255,255,0.28); border-radius: 2px; }

body.roll-dragging,
body.roll-dragging *{ cursor: grabbing !important; user-select: none; }

.clear-pattern-btn.hold-toggle.active{
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(59,109,255,0.14);
}

/* drum grid, dark variant reusing .drum-machine / .step-cell */

.daw-drum-grid .drum-row-label{ color: #8f8f8f; }
.daw-drum-grid .step-cell{ border-color: #262626; border-radius: 5px; }
.daw-drum-grid .step-cell:hover{ border-color: #4a4a4a; }
.daw-drum-grid .step-cell.playing-col{ outline: 2px solid rgba(255,255,255,0.55); outline-offset: -2px; }

/* ---- transport ---- */

.daw-transport{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.9rem;
  border-top: 1px solid #1c1c1c;
}

.daw-transport .transport-btn{
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid #262626;
  background: #141414;
  color: #f4f4f4;
  cursor: pointer;
  font-size: 0.9rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.daw-transport .transport-btn:hover{ border-color: #3a3a3a; transform: translateY(-1px); }

.transport-info{
  font-size: 0.68rem;
  color: #8f8f8f;
  letter-spacing: 0.05em;
}

/* ---- modals ---- */

.modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 80;
  padding: 1rem;
}

.modal-overlay[hidden]{ display: none; }

.modal{
  width: min(560px, 92vw);
  max-height: 80vh;
  overflow: auto;
  background: #111111;
  border: 1px solid #262626;
  border-radius: 14px;
  color: #f4f4f4;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}

.modal-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid #1c1c1c;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.85rem;
  position: sticky;
  top: 0;
  background: #111111;
}

.modal-close{
  background: transparent;
  border: none;
  color: #8f8f8f;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}

.modal-close:hover{ color: #f4f4f4; }

.modal-body{
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.modal .ctrl-row label{ color: #8f8f8f; }
.modal .ctrl-row select,
.modal .ctrl-row input[type="number"]{
  background: #1a1a1a;
  border-color: #262626;
  color: #f4f4f4;
}
.modal .fx-toggle{ color: #8f8f8f; }

.instrument-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.6rem;
  padding: 1.1rem;
}

.instrument-card{
  border: 1px solid #262626;
  border-radius: 10px;
  padding: 0.85rem 0.6rem;
  text-align: center;
  background: #161616;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.instrument-card:hover{ border-color: var(--purple); transform: translateY(-1px); }

.instrument-card .icon{
  font-size: 1.4rem;
  display: block;
  margin-bottom: 0.45rem;
}

.instrument-card .label{
  font-size: 0.64rem;
  color: #cfcfcf;
  letter-spacing: 0.02em;
}

@media (max-width: 760px){
  .daw-body{ flex-direction: column; }
  .track-list{ width: 100%; max-height: 40vh; border-right: none; border-bottom: 1px solid #1c1c1c; }
}

/* ---------- song select + legal note (player page) ---------- */

.song-select{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  max-width: 44vw;
}

.legal-note{
  padding: 1rem 1.6rem 1.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.66rem;
  line-height: 1.6;
  color: var(--ink-dim);
  letter-spacing: 0.02em;
  text-align: center;
}

.legal-note a{
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 760px){
  .song-select{ max-width: 100%; }
}