:root {
  --tolex: #16120f;
  --panel: #231d18;
  --panel-2: #2d251f;
  --edge: #3d332a;
  --cream: #efe3c8;
  --cream-dim: #a8997f;
  --ink: #0d0b09;
  --amber: #ffb23e;
  --amber-soft: rgba(255, 178, 62, 0.18);
  --amber-glow: 0 0 12px rgba(255, 170, 50, 0.55);
  --red: #e0452c;
  --blue: #5d8fd6;
  --screen: #0c0a07;
  --radius: 10px;
  --ui: 'Oswald', 'Arial Narrow', 'Helvetica Neue', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.012) 0 2px, transparent 2px 5px),
    repeating-linear-gradient(-45deg, rgba(0,0,0,0.25) 0 2px, transparent 2px 5px),
    radial-gradient(ellipse at 50% -10%, #2b221b 0%, var(--tolex) 60%);
  background-color: var(--tolex);
  color: var(--cream);
  font-family: var(--ui);
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; }

.machine {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

/* ---------- faceplate ---------- */
.faceplate {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0) 40%),
    linear-gradient(180deg, #d9c9a6, #bfae88);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset, 0 -2px 0 rgba(0,0,0,0.2) inset, 0 10px 30px rgba(0,0,0,0.5);
  position: relative;
}
.faceplate::before, .faceplate::after {
  content: ''; position: absolute; top: 50%; width: 10px; height: 10px; margin-top: -5px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff, #8c8272 60%, #4d463c);
  box-shadow: 0 1px 1px rgba(0,0,0,0.4);
}
.faceplate::before { left: 8px; }
.faceplate::after { right: 8px; }

.brand { display: flex; flex-direction: column; line-height: 1; padding-left: 10px; }
.logo {
  font-family: 'Yellowtail', 'Brush Script MT', cursive;
  font-size: 46px;
  color: #6e1c12;
  text-shadow: 0 1px 0 rgba(255,255,255,0.5);
  transform: rotate(-3deg);
  transform-origin: left center;
}
.model { font-size: 11px; letter-spacing: 0.22em; opacity: 0.7; margin-top: 6px; }

.transport { display: flex; align-items: center; gap: 14px; }
.play {
  width: 74px; height: 74px; border-radius: 50%;
  border: 3px solid #2a221c;
  background: radial-gradient(circle at 40% 35%, #454039, #1b1714 70%);
  box-shadow: 0 4px 0 #0c0a08, 0 8px 18px rgba(0,0,0,0.5), 0 1px 0 rgba(255,255,255,0.15) inset;
  cursor: pointer;
  display: grid; place-items: center;
  transition: transform 0.08s, box-shadow 0.08s;
}
.play:active { transform: translateY(3px); box-shadow: 0 1px 0 #0c0a08, 0 3px 8px rgba(0,0,0,0.5); }
.play svg { width: 30px; height: 30px; fill: var(--cream); }
.play .icon-stop { display: none; }
.play.on { border-color: #6e1c12; }
.play.on svg { fill: var(--red); filter: drop-shadow(0 0 6px rgba(255,80,40,0.8)); }
.play.on .icon-play { display: none; }
.play.on .icon-stop { display: block; }
.transport-side { display: flex; flex-direction: column; gap: 8px; }

.chip-btn {
  border: 1px solid rgba(0,0,0,0.35);
  background: linear-gradient(180deg, #f3e8cf, #d2c19b);
  color: var(--ink);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 2px 0 rgba(0,0,0,0.25);
}
.chip-btn:disabled { opacity: 0.4; cursor: default; }
.chip-btn.toggle.active, .chip-btn.armed { background: linear-gradient(180deg, #ffcf7a, #f0a534); box-shadow: 0 0 10px rgba(255,170,50,0.6), 0 2px 0 rgba(0,0,0,0.25); }
.chip-btn.armed { animation: blink 0.9s steps(2) infinite; }
@keyframes blink { 50% { filter: brightness(0.75); } }

.tempo-box { display: flex; align-items: center; gap: 8px; justify-self: end; }
.led-readout {
  background: var(--screen);
  border-radius: 6px;
  padding: 6px 12px;
  min-width: 108px;
  text-align: right;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  text-shadow: var(--amber-glow);
  box-shadow: 0 2px 6px rgba(0,0,0,0.6) inset;
}
.led-readout small { font-size: 11px; margin-left: 5px; opacity: 0.75; }
.nudge {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.35);
  background: linear-gradient(180deg, #f3e8cf, #cbb892);
  color: var(--ink);
  font-size: 18px; line-height: 1;
  cursor: pointer;
}

/* ---------- screen ---------- */
.screen {
  margin-top: 18px;
  background: linear-gradient(180deg, #120f0b, var(--screen));
  border: 1px solid #000;
  border-radius: 12px;
  padding: 14px 16px 10px;
  box-shadow: 0 0 0 6px #1d1814, 0 0 0 7px #3a3027, 0 12px 30px rgba(0,0,0,0.6), 0 0 40px rgba(0,0,0,0.9) inset;
}
.screen-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }
.status {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--amber);
  text-shadow: var(--amber-glow);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.beats { display: flex; gap: 8px; }
.beats i {
  width: 12px; height: 12px; border-radius: 50%;
  background: #33261a;
  transition: background 0.05s;
}
.beats i.on { background: var(--amber); box-shadow: var(--amber-glow); }
.beats i.on.down { background: #ff6a3d; box-shadow: 0 0 12px rgba(255,90,50,0.8); }

.chart {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.bar {
  position: relative;
  border: 1px solid #2c2219;
  border-radius: 6px;
  padding: 10px 10px 8px;
  min-height: 58px;
  display: flex; flex-direction: column; justify-content: space-between;
  color: #c9a36a;
  background: rgba(255,178,62,0.02);
  transition: background 0.08s, color 0.08s, border-color 0.08s;
}
.bar .num { font-family: var(--mono); font-size: 10px; opacity: 0.5; }
.bar .chords { display: flex; gap: 10px; font-family: var(--mono); font-weight: 700; font-size: 20px; }
.bar .chords span + span { opacity: 0.85; }
.bar.stop::after {
  content: 'STOP'; position: absolute; top: 8px; right: 8px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; color: var(--red); opacity: 0.8;
}
.bar.now {
  background: var(--amber-soft);
  border-color: var(--amber);
  color: #ffd79a;
  text-shadow: var(--amber-glow);
}
#scope { display: block; width: 100%; height: 60px; margin-top: 10px; }

/* ---------- presets ---------- */
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 18px; align-items: center; }
.presets .label { font-size: 12px; letter-spacing: 0.2em; color: var(--cream-dim); margin-right: 6px; }
.preset {
  border: 1px solid var(--edge);
  background: var(--panel);
  color: var(--cream);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 0.1s, background 0.1s;
}
.preset:hover { border-color: var(--amber); }
.preset.random { border-style: dashed; }

/* ---------- modules ---------- */
.modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.module {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 12px 14px 16px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 6px 16px rgba(0,0,0,0.35);
  transition: opacity 0.15s;
}
.module.wide { grid-column: span 2; }
.module.off .body { opacity: 0.35; }
.module header {
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--edge);
  padding-bottom: 8px; margin-bottom: 12px;
}
.module h2 {
  margin: 0; font-size: 15px; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase;
}
.lamp {
  width: 14px; height: 14px; border-radius: 50%;
  border: none; padding: 0;
  background: radial-gradient(circle at 40% 35%, #5a3a2a, #2b1a12);
  box-shadow: 0 0 0 2px #120e0b;
}
button.lamp { cursor: pointer; }
.lamp.on {
  background: radial-gradient(circle at 40% 35%, #ffd9a0, #ff7a2a 55%, #b3320f);
  box-shadow: 0 0 0 2px #120e0b, 0 0 10px rgba(255,110,40,0.8);
}
.module .sub { margin-left: auto; font-size: 11px; color: var(--cream-dim); letter-spacing: 0.12em; }

.body { display: flex; flex-direction: column; gap: 12px; }
.knobs { display: flex; flex-wrap: wrap; gap: 6px 10px; justify-content: flex-start; }

.ctl-label {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cream-dim);
}

/* segmented switches */
.seg-ctl { display: flex; flex-direction: column; gap: 6px; }
.seg {
  display: flex; flex-wrap: wrap;
  background: #15110e;
  border-radius: 7px;
  padding: 3px;
  gap: 3px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.6) inset;
}
.seg button {
  flex: 1 1 auto;
  border: none;
  background: transparent;
  color: var(--cream-dim);
  padding: 6px 8px;
  font-size: 13px;
  border-radius: 5px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.1s, color 0.1s;
}
.seg button:hover { color: var(--cream); }
.seg button.sel {
  background: linear-gradient(180deg, #f1e4c6, #d0bd96);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255,255,255,0.5) inset, 0 1px 2px rgba(0,0,0,0.5);
}
.seg.keys { display: grid; grid-template-columns: repeat(6, 1fr); }
.seg.keys button { padding: 6px 0; font-family: var(--mono); font-weight: 700; }

/* knobs */
.knob-ctl { display: flex; flex-direction: column; align-items: center; gap: 4px; width: 76px; }
.knob {
  --p: 0.5;
  width: 58px; height: 58px; border-radius: 50%;
  position: relative;
  cursor: ns-resize;
  touch-action: none;
  outline: none;
  background: conic-gradient(from -135deg, var(--amber) calc(var(--p) * 270deg), #3b2f25 0 270deg, transparent 0);
}
.knob::before {
  content: ''; position: absolute; inset: 4px; border-radius: 50%; background: var(--panel);
}
.knob:focus-visible { box-shadow: 0 0 0 2px var(--amber); }
.knob-cap {
  position: absolute; inset: 7px; border-radius: 50%;
  background: radial-gradient(circle at 40% 30%, #fff9ea, #e7d8b6 45%, #a8977a 100%);
  box-shadow: 0 3px 6px rgba(0,0,0,0.6), 0 -1px 1px rgba(0,0,0,0.25) inset;
}
.knob-cap::after {
  content: ''; position: absolute; left: 50%; top: 4px; width: 3px; height: 13px; margin-left: -1.5px;
  border-radius: 2px; background: #2a1a12;
}
.knob-ctl .ctl-label { text-align: center; }
.knob-ctl .val { font-family: var(--mono); font-size: 12px; color: var(--amber); min-height: 15px; }

.foot { margin-top: 26px; text-align: center; font-size: 12px; letter-spacing: 0.08em; color: var(--cream-dim); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .faceplate { grid-template-columns: 1fr auto; }
  .tempo-box { grid-column: 1 / -1; justify-self: start; }
  .module.wide { grid-column: auto; }
}
@media (max-width: 560px) {
  .faceplate { grid-template-columns: 1fr; padding: 16px; }
  .logo { font-size: 38px; }
  .transport, .tempo-box { justify-self: start; }
  .chart { gap: 4px; }
  .bar { padding: 6px; min-height: 48px; }
  .bar .chords { font-size: 14px; gap: 4px; }
  .modules { grid-template-columns: 1fr; }
}