:root {
  --ph: #e8e8e8;
  --ph-dim: rgba(232, 232, 232, 0.45);
  --ph-faint: rgba(232, 232, 232, 0.07);
  --bg: #050505;
  --panel: #0b0b0b;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ph);
  font-family: "Courier New", "Monaco", monospace;
  font-size: 11px;
  letter-spacing: 1px;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px;
  user-select: none;
}

/* CRT scanlines */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.12) 3px,
    rgba(0, 0, 0, 0.12) 4px
  );
  pointer-events: none;
  z-index: 9999;
}
/* CRT vignette */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 55%,
    rgba(0, 0, 0, 0.55) 100%
  );
  pointer-events: none;
  z-index: 9998;
}

header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ph-dim);
}
h1 {
  font-size: 18px;
  letter-spacing: 8px;
}
#status {
  display: none;
}
#info {
  display: none;
}

/* ── VISUALIZERS ─── */
.viz-row {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 6px;
  align-content: center;
  justify-content: center;
}
.viz-wrap {
  position: relative;
  background: #000;
  border: 1px solid var(--ph-dim);
  overflow: hidden;
  cursor: pointer;
}
.viz-wrap::after {
  content: "EXPAND";
  position: absolute;
  bottom: 4px;
  right: 5px;
  font-size: 7px;
  letter-spacing: 2px;
  color: var(--ph-dim);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  z-index: 1;
}
.viz-wrap:hover::after {
  opacity: 1;
}
.viz-wrap:fullscreen,
.viz-wrap:-webkit-full-screen {
  aspect-ratio: unset;
  width: 100vw;
  height: 100vh;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.viz-wrap:fullscreen canvas,
.viz-wrap:-webkit-full-screen canvas {
  width: auto;
  height: 100%;
  aspect-ratio: 1 / 1;
}
.viz-wrap:fullscreen .viz-label,
.viz-wrap:-webkit-full-screen .viz-label {
  font-size: 11px;
}
.viz-label {
  position: absolute;
  top: 5px;
  left: 7px;
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--ph-dim);
  pointer-events: none;
  z-index: 1;
}
canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* ── VU ─── */
.vu-row {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 10px;
}
.vu-label {
  font-size: 9px;
  color: var(--ph-dim);
  width: 18px;
}
.vu-track {
  flex: 1;
  height: 4px;
  background: #111;
  border: 1px solid var(--ph-dim);
  overflow: hidden;
}
.vu-fill {
  height: 100%;
  width: 0%;
  background: var(--ph);
  transition: width 0.04s;
}

/* ── CONTROLS ─── */
.ctrl-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.ctrl-group {
  background: var(--panel);
  border: 1px solid var(--ph-dim);
  padding: 10px 12px 8px;
}
.ctrl-group h3 {
  font-size: 8px;
  letter-spacing: 4px;
  color: var(--ph-dim);
  margin-bottom: 10px;
}
.ctrl-line {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 9px;
}
.ctrl-name {
  font-size: 9px;
  width: 72px;
  flex-shrink: 0;
  color: var(--ph-dim);
}
.ctrl-val {
  font-size: 10px;
  width: 66px;
  text-align: right;
  flex-shrink: 0;
}

input[type="range"] {
  -webkit-appearance: none;
  flex: 1;
  height: 2px;
  background: #1a1a1a;
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px;
  height: 11px;
  background: var(--ph);
  cursor: pointer;
}

.btn-grp {
  display: flex;
  gap: 3px;
  flex: 1;
}
.btn {
  flex: 1;
  padding: 3px 0;
  background: transparent;
  border: 1px solid #3a3a3a;
  color: #666;
  font-family: inherit;
  font-size: 9px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.1s;
}
.btn:hover {
  border-color: var(--ph-dim);
  color: var(--ph-dim);
}
.btn.active {
  background: var(--ph);
  color: #000;
  border-color: var(--ph);
}
[data-noise="pink"] {
  color: #8a6870;
  border-color: #4a3038;
}
[data-noise="pink"].active {
  background: #b08890;
  border-color: #b08890;
  color: #120608;
}
[data-noise="brown"] {
  color: #887058;
  border-color: #483820;
}
[data-noise="brown"].active {
  background: #a88060;
  border-color: #a88060;
  color: #120a04;
}
[data-noise="green"] {
  color: #587848;
  border-color: #283818;
}
[data-noise="green"].active {
  background: #789070;
  border-color: #789070;
  color: #060e04;
}
[data-noise="blue"] {
  color: #506070;
  border-color: #202838;
}
[data-noise="blue"].active {
  background: #7888a8;
  border-color: #7888a8;
  color: #040810;
}

/* ── UI TOGGLES ─── */
.uitbtn {
  padding: 5px 18px;
  background: transparent;
  border: 1px solid #2a2a2a;
  color: #333;
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 4px;
  cursor: pointer;
  transition: all 0.1s;
}
.uitbtn.active {
  border-color: var(--ph-dim);
  color: var(--ph-dim);
}

/* ── TRANSPORT ─── */
.transport {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--panel);
  border: 1px solid var(--ph-dim);
}
#play-btn {
  padding: 5px 18px;
  background: transparent;
  border: 1px solid var(--ph);
  color: var(--ph);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 4px;
  cursor: pointer;
  transition: all 0.12s;
}
#play-btn:hover {
  background: rgba(232, 232, 232, 0.08);
}
#play-btn.on {
  background: var(--ph);
  color: #000;
}

@media (max-width: 600px) {
  .ctrl-row {
    grid-template-columns: 1fr;
  }
}