@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink:      #f2f1ec;
  --ink-dim:  #9c9a92;
  --void:     #050505;
  --swatch:   #6f6d66;
  --line:     rgba(242,241,236,0.85);
  --line-dim: rgba(242,241,236,0.28);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

*{ box-sizing: border-box; }

html{
  height: -webkit-fill-available;
}
html, body{
  margin:0; padding:0; height:100%;
  min-height: -webkit-fill-available;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-mono);
  overflow: hidden;
}
/* Use dynamic viewport units so mobile browser chrome doesn't obscure bottom */
@supports (height: 100dvh){
  html, body{
    height: 100dvh;
    min-height: 100dvh;
  }
}

.stage{
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  min-height: 480px;
  transform: rotate(-3deg);
  transform-origin: center center;
}
@supports (height: 100dvh){
  .stage{
    height: 100dvh;
    min-height: max(480px, 100dvh);
  }
}

canvas#canvas{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.edge{
  position: absolute;
  top: 0; bottom: 0;
  width: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
  white-space: nowrap;
  pointer-events: none;
  z-index: 3;
}
.edge-left{ left: 6px; }
.edge-left span, .edge-left{ writing-mode: vertical-rl; transform: rotate(180deg); }

.edge-right{
  right: 6px;
  overflow: hidden;
  display: block;
}
.edge-right-track{
  position: absolute;
  top: 0; left: 0; right: 0;
  writing-mode: vertical-rl;
  white-space: nowrap;
  will-change: transform;
}

.hud{
  position: absolute;
  inset: 0;
  padding: clamp(16px, 4vw, 48px) clamp(40px, 6vw, 72px);
  /* lift bottom above angled stage edge + iOS home indicator */
  padding-bottom: calc(clamp(16px, 4vw, 48px) + env(safe-area-inset-bottom, 0px) + 8px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
  z-index: 2;
  min-height: 0;
  box-sizing: border-box;
}

.hud-top{ max-width: 640px; }

.key-label{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.01em;
}

.notes-row{
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-dim);
}
.notes-caption{ color: var(--ink); }
.notes-values{ color: var(--ink); min-width: 2ch; }
.swatch{
  width: 12px; height: 12px;
  background: var(--swatch);
  display: inline-block;
}

.hud-stats{
  position: absolute;
  top: clamp(16px, 4vw, 48px);
  right: clamp(40px, 6vw, 72px);
  text-align: right;
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.6;
}

.hud-cluster{
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  min-height: 0;
}

.hud-bottom{
  display: flex;
  align-items: flex-end;
  gap: 28px;
}

.meters{
  display: flex;
  flex-direction: column;
  gap: 4px;
  height: clamp(180px, 30vh, 360px);
}
.meter-labels{
  display: flex;
  gap: 8px;
  font-size: 11px;
  color: var(--ink-dim);
}
.meter-labels span{ width: 26px; text-align: center; }
.meter-track{
  display: flex;
  gap: 8px;
  height: 100%;
}
.meter-bar{
  width: 26px;
  height: 100%;
  background: var(--line-dim);
  position: relative;
  overflow: hidden;
}
.meter-bar::after{
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: var(--level, 0%);
  background: var(--ink);
  transition: height 60ms linear;
}

.counters{
  display: flex;
  gap: 18px;
  font-size: 13px;
  color: var(--ink);
}
.counters > div{ display: flex; flex-direction: column; gap: 2px; }
.counter-label{ color: var(--ink-dim); font-size: 10px; text-transform: lowercase; }
.counter-value{ font-size: 15px; }
.time-block{ margin-left: 6px; }

.waveform-wrap{
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
canvas#waveCanvas{
  width: 100%;
  height: 64px;
  display: block;
}
.progress-track{
  width: 100%;
  height: 3px;
  background: var(--line-dim);
}
.progress-fill{
  height: 100%;
  width: 0%;
  background: var(--ink);
}
.time-readout{
  align-self: center;
  font-size: 12px;
  color: var(--ink-dim);
}

.marquee-wrap{
  overflow: hidden;
  width: 100%;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee{
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: clamp(16px, 2.4vw, 22px);
  color: var(--ink);
  will-change: transform;
}

.transport{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  pointer-events: auto;
  flex-shrink: 0;
  flex-wrap: wrap;
  position: relative;
  z-index: 4;
}
#playBtn{
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  display:flex; align-items:center; justify-content:center;
  font-variant-emoji: text;
  -webkit-font-variant-emoji: text;
  text-rendering: geometricPrecision;
  font-family: var(--font-mono);
}
#playBtn:hover{ background: var(--ink); color: var(--void); }
#playBtn svg{
  width: 14px;
  height: 14px;
  display: block;
  flex-shrink: 0;
  fill: currentColor;
  stroke: none;
}

.tracklist{
  display: flex;
  gap: 10px;
  font-size: 12px;
  color: var(--ink-dim);
}
.tracklist button{
  background: none;
  border: none;
  color: inherit;
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.tracklist button.active{
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.invert-corner{
  position: absolute;
  inset: -12%;
  background: #fff;
  mix-blend-mode: difference;
  pointer-events: none;
  z-index: 6;
}
.invert-tr{ clip-path: polygon(46% 0%, 100% 0%, 100% 62%); }
.invert-bl{ clip-path: polygon(0% 76%, 40% 100%, 0% 100%); }

@media (max-width: 720px){
  .stage{
    transform: rotate(-1.8deg) scale(0.965);
    height: 100svh;
    height: 100dvh;
    min-height: 100dvh;
  }
  .hud{
    padding: 14px 40px;
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px) + 16px);
    gap: 12px;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }
  .hud, .hud-cluster, .transport{ pointer-events: auto; }
  .hud-stats{ display:none; }
  .counters{ display:none; }
  .edge{ font-size: 11px; }
  .hud-bottom{
    gap: 14px;
    align-items: stretch;
  }
  .meters{
    height: clamp(110px, 20dvh, 180px);
    flex-shrink: 0;
  }
  .waveform-wrap{
    min-width: 0;
    flex: 1 1 150px;
  }
  canvas#waveCanvas{ height: 48px; }
  .transport{ padding-bottom: 2px; }
  .marquee-wrap{ padding-bottom: env(safe-area-inset-bottom, 0px); }
}

@media (max-width: 480px){
  .stage{ transform: rotate(-1.2deg) scale(0.97); }
  .hud{ padding-left: 32px; padding-right: 32px; }
}

@media (max-height: 600px){
  .meters{ height: 100px; }
  canvas#waveCanvas{ height: 40px; }
  .hud-bottom{ gap: 10px; }
  .hud-cluster{ gap: 6px; }
}