:root{
  --wood-1:#6b4530;
  --wood-2:#4a2f20;
  --wood-3:#331f15;

  --metal-1:#63676e;
  --metal-2:#3a3d42;
  --metal-3:#1c1e22;
  --chassis:#151619;

  --cream:#e7dcc0;
  --cream-dim:#c9bd9c;

  --amber:#ffab2e;
  --amber-glow: rgba(255,171,46,.55);
  --red:#e6432f;
  --olive:#6f7d52;

  --text:#ece6d6;
  --text-dim:#96907e;

  --radius:10px;
  --font-display:'Big Shoulders Stencil', sans-serif;
  --font-ui:'Oswald', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
}

*{ box-sizing:border-box; }
html{ background:var(--wood-2); }
body{
  margin:0; padding:0;
  min-height:100vh;
  color:var(--text);
  font-family:var(--font-body);
  overflow-x:hidden;

  background:
    repeating-linear-gradient(95deg, rgba(255,255,255,.025) 0px, rgba(255,255,255,.025) 1px, transparent 1px, transparent 3px),
    linear-gradient(160deg, #3d4046, #202226 45%, #131417);

  border: 16px solid transparent;
  border-image: linear-gradient(100deg, var(--wood-3), var(--wood-1) 20%, #7a5138 45%, var(--wood-1) 70%, var(--wood-3)) 1;
}
@media (max-width:600px){
  body{ border-width:9px; }
}

::selection{ background:var(--amber); color:#241a08; }

#starfield{
  position:fixed; inset:0; z-index:0;
  width:100%; height:100%;
  pointer-events:none;
  opacity:.7;
}

.stage-frame::after{
  content:''; position:absolute; inset:0; z-index:2; pointer-events:none;
  background-image:
    radial-gradient(circle at 35% 30%, #a8adb4, #4b4e53 55%, #202226 100%),
    radial-gradient(circle at 35% 30%, #a8adb4, #4b4e53 55%, #202226 100%),
    radial-gradient(circle at 35% 30%, #a8adb4, #4b4e53 55%, #202226 100%),
    radial-gradient(circle at 35% 30%, #a8adb4, #4b4e53 55%, #202226 100%);
  background-repeat:no-repeat;
  background-size:8px 8px;
  background-position: 6px 6px, calc(100% - 6px) 6px, 6px calc(100% - 6px), calc(100% - 6px) calc(100% - 6px);
}

/* ---------- topbar ---------- */
.topbar{
  position:relative; z-index:2;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:10px;
  padding:20px clamp(18px,4vw,44px);
  border-bottom:1px solid rgba(0,0,0,.5);
  box-shadow:0 1px 0 rgba(255,255,255,.05);
}
.brand{ display:flex; align-items:center; gap:12px; }
.power-led{
  width:10px; height:10px; border-radius:50%; flex:none;
  background: radial-gradient(circle at 35% 30%, #ff9a7a, var(--red) 55%, #6e160d 100%);
  box-shadow: 0 0 8px var(--red), 0 0 2px rgba(255,255,255,.7) inset;
  animation:ledpulse 2.8s ease-in-out infinite;
}
@keyframes ledpulse{ 0%,100%{ opacity:.65; } 50%{ opacity:1; } }
.brand-name{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(20px,3vw,26px);
  letter-spacing:.03em;
  text-transform:uppercase;
}
.accent-amber{ color:var(--amber); }
.brand-model{
  font-family:var(--font-mono); font-size:10px; color:var(--text-dim);
  border:1px solid rgba(255,255,255,.12); border-radius:3px;
  padding:2px 6px; letter-spacing:.08em;
}
.brand-tag{
  font-family:var(--font-ui); font-size:11px; color:var(--text-dim);
  letter-spacing:.06em; text-transform:uppercase;
}

/* ---------- layout ---------- */
.layout{
  position:relative; z-index:2;
  display:grid;
  grid-template-columns: 1.3fr 1fr;
  gap:26px;
  padding:26px clamp(18px,4vw,44px) 32px;
  align-items:start;
}
@media (max-width:980px){
  .layout{ grid-template-columns:1fr; }
}

/* ---------- stage (camera) ---------- */
.stage{ display:flex; flex-direction:column; gap:12px; }
.stage-frame{
  position:relative;
  aspect-ratio: 4/3;
  border-radius:var(--radius);
  overflow:hidden;
  background:#000;
  border:3px solid var(--metal-3);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.06),
    0 20px 50px -20px rgba(0,0,0,.85),
    inset 0 0 0 6px #26282c,
    inset 0 0 0 8px rgba(0,0,0,.4);
  padding:10px;
}
.stage-frame::before{
  /* metal bezel background behind the video's rounded window */
  content:''; position:absolute; inset:0;
  background: linear-gradient(160deg, #4a4d52, #232427 60%, #17181a);
  z-index:0;
}
#video, #overlay{
  position:absolute; z-index:1;
  border-radius:5px;
}
#video{
  inset:10px;
  width:calc(100% - 20px); height:calc(100% - 20px);
  object-fit:cover;
  transform:scaleX(-1);
  box-shadow: inset 0 0 30px rgba(0,0,0,.7);
}
#overlay{
  inset:10px;
  width:calc(100% - 20px); height:calc(100% - 20px);
}

.stage-veil{
  position:absolute; inset:10px; z-index:5; border-radius:5px;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:16px; text-align:center; padding:24px;
  background:radial-gradient(ellipse at center, rgba(30,28,24,.55), rgba(10,9,8,.94));
  backdrop-filter: blur(2px);
}
.btn-start{
  position:relative;
  width:112px; height:112px; border-radius:50%;
  background: radial-gradient(circle at 32% 28%, #ffcf7a, var(--amber) 55%, #a5650f 100%);
  border:3px solid #1a1b1e;
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  color:#2a1a04; font-family:var(--font-ui); font-weight:700; text-transform:uppercase;
  letter-spacing:.04em;
  font-size:12px;
  box-shadow: 0 3px 0 #1a1b1e, 0 8px 20px rgba(0,0,0,.6), inset 0 2px 4px rgba(255,255,255,.4);
  transition:transform .15s ease;
}
.btn-start:hover{ transform:translateY(-2px); }
.btn-start:active{ transform:translateY(1px); }
.btn-start-ring{
  position:absolute; inset:-10px; border-radius:50%;
  border:1px solid rgba(255,171,46,.35);
  animation:ring 2.6s ease-out infinite;
}
@keyframes ring{
  0%{ transform:scale(.9); opacity:.8; }
  100%{ transform:scale(1.45); opacity:0; }
}
.btn-start-label{ max-width:80px; line-height:1.3; }
.stage-hint{
  font-family:var(--font-mono); font-size:11.5px; color:var(--cream-dim);
  max-width:340px; line-height:1.7; margin:0;
}
.stage-hint b{ color:var(--amber); }

.stage-hud{
  position:absolute; top:20px; left:20px; z-index:4;
  display:flex; flex-direction:column; gap:8px;
}
.hud-chip{
  font-family:var(--font-mono); font-size:10.5px;
  background:rgba(10,9,8,.6); border:1px solid rgba(255,255,255,.1);
  padding:6px 10px; border-radius:999px;
  display:flex; align-items:center; gap:7px;
  backdrop-filter: blur(6px);
  color:var(--cream-dim);
}
.hud-dot{ width:7px; height:7px; border-radius:50%; display:inline-block; }
.dot-r{ background:var(--amber); box-shadow:0 0 8px var(--amber); }
.dot-l{ background:var(--olive); box-shadow:0 0 8px var(--olive); }
.dot-m{ background:var(--red); box-shadow:0 0 8px var(--red); }

.cam-toggle{
  position:absolute; bottom:20px; right:20px; z-index:4;
  display:flex; align-items:center; gap:8px;
  background:rgba(10,9,8,.65); border:1px solid rgba(255,255,255,.12);
  color:var(--cream-dim); font-family:var(--font-ui); font-size:11px; text-transform:uppercase; letter-spacing:.05em;
  padding:9px 14px; border-radius:999px; cursor:pointer;
  backdrop-filter: blur(6px);
  transition:background .2s ease, border-color .2s ease, color .2s ease;
}
.cam-toggle:hover{ border-color:var(--amber); color:var(--amber); }
.cam-toggle.on{ border-color:var(--red); color:var(--red); }

/* VFD-style readout */
.readout-bar{ display:flex; gap:10px; }
.readout-cell{
  flex:1; position:relative; overflow:hidden;
  background:#0a0a0b; border:1px solid rgba(0,0,0,.7); border-radius:6px;
  padding:8px 12px;
  box-shadow: inset 0 0 12px rgba(0,0,0,.9), inset 0 0 24px rgba(255,171,46,.05);
}
.readout-cell::after{
  content:''; position:absolute; inset:0; pointer-events:none;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0px, rgba(255,255,255,.025) 1px, transparent 1px, transparent 2px);
}
.readout-label{
  display:block; font-family:var(--font-ui); font-size:9px; letter-spacing:.16em;
  text-transform:uppercase; color:#6b6555; margin-bottom:2px;
}
.readout-value{
  display:block; font-family:var(--font-mono); font-size:19px; color:var(--amber);
  text-shadow:0 0 8px var(--amber-glow); letter-spacing:.02em;
}

.stage-caption{
  font-family:var(--font-ui); font-size:12px; color:var(--text-dim);
  margin:0; padding:0 2px; line-height:1.6;
}

/* ---------- rack / panels ---------- */
.rack{ display:flex; flex-direction:column; gap:16px; }
.panel{
  position:relative;
  background:
    repeating-linear-gradient(97deg, rgba(255,255,255,.02) 0px, rgba(255,255,255,.02) 1px, transparent 1px, transparent 3px),
    linear-gradient(165deg, #4a4d52, #2c2e32 55%, #1c1e22);
  border:1px solid rgba(0,0,0,.55);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow: 0 10px 24px -14px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.06);
}
.panel{ background-image:
    radial-gradient(circle at 35% 30%, #a8adb4, #4b4e53 55%, #202226 100%),
    radial-gradient(circle at 35% 30%, #a8adb4, #4b4e53 55%, #202226 100%),
    radial-gradient(circle at 35% 30%, #a8adb4, #4b4e53 55%, #202226 100%),
    radial-gradient(circle at 35% 30%, #a8adb4, #4b4e53 55%, #202226 100%),
    repeating-linear-gradient(97deg, rgba(255,255,255,.02) 0px, rgba(255,255,255,.02) 1px, transparent 1px, transparent 3px),
    linear-gradient(165deg, #4a4d52, #2c2e32 55%, #1c1e22);
  background-repeat:no-repeat, no-repeat, no-repeat, no-repeat, repeat, no-repeat;
  background-size:7px 7px, 7px 7px, 7px 7px, 7px 7px, auto, auto;
  background-position:
    9px 9px, calc(100% - 9px) 9px, 9px calc(100% - 9px), calc(100% - 9px) calc(100% - 9px),
    0 0, 0 0;
}
.panel-title{
  font-family:var(--font-ui); font-size:11.5px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--amber); font-weight:600;
  margin:0 0 16px;
  text-shadow: 0 1px 0 rgba(0,0,0,.6);
}
.panel-note{
  font-family:var(--font-mono); font-size:10.5px; color:var(--text-dim);
  margin:14px 0 0; line-height:1.6;
}

/* rocker / toggle-switch waveform bank */
.switch-bank{ display:flex; gap:8px; flex-wrap:wrap; }
.rocker{
  flex:1 1 auto;
  background: linear-gradient(180deg, #303338, #1a1b1e);
  border:1px solid rgba(0,0,0,.6);
  border-top:1px solid rgba(255,255,255,.08);
  color:var(--text-dim);
  font-family:var(--font-ui); font-weight:600; letter-spacing:.08em; font-size:11.5px;
  padding:12px 10px; border-radius:6px; cursor:pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05), 0 2px 3px rgba(0,0,0,.5);
  transition:all .15s ease;
}
.rocker:hover{ color:var(--cream); }
.rocker.active{
  background: linear-gradient(180deg, #4d3813, #2a1e08);
  color:var(--amber);
  border-color: rgba(255,171,46,.45);
  box-shadow: inset 0 0 10px rgba(255,171,46,.3), 0 0 10px var(--amber-glow);
}

/* knobs */
.knob-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:20px 16px;
}
@media (max-width:420px){ .knob-grid{ grid-template-columns:1fr 1fr; } }
.knob-field{ display:flex; flex-direction:column; align-items:center; gap:8px; }
.knob{ position:relative; width:58px; height:58px; }
.knob-body{
  width:100%; height:100%; border-radius:50%;
  background: radial-gradient(circle at 32% 28%, #868b93, #4b4e53 50%, #232427 100%);
  box-shadow:
    inset 0 2px 2px rgba(255,255,255,.28),
    inset 0 -4px 7px rgba(0,0,0,.65),
    0 3px 6px rgba(0,0,0,.6),
    0 0 0 3px #17181a;
}
.knob-pointer{
  position:absolute; left:50%; top:50%;
  width:3px; height:42%;
  background:var(--amber);
  border-radius:2px;
  transform-origin:50% 100%;
  transform: translate(-50%,-100%) rotate(-135deg);
  box-shadow:0 0 6px var(--amber-glow);
}
.knob-ticks{ position:absolute; inset:0; pointer-events:none; }
.knob-ticks span{
  position:absolute; left:50%; top:50%;
  width:1px; height:50%;
  background: rgba(255,255,255,.16);
  transform-origin:50% 100%;
}
.knob-input{
  position:absolute; top:0; left:50%;
  width:210px; height:100%;
  transform:translateX(-50%);
  opacity:0; margin:0; padding:0;
  cursor:ew-resize;
}
.knob-name{
  font-family:var(--font-ui); font-size:9.5px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--text-dim);
}
.knob-value{
  font-family:var(--font-mono); font-size:10.5px; color:var(--amber);
  background:#0a0a0b; padding:2px 7px; border-radius:3px;
  border:1px solid rgba(0,0,0,.6);
  box-shadow:inset 0 0 5px rgba(0,0,0,.8);
}

/* piano — botonera tipo combo-organ */
.panel-keys{ padding-bottom:22px; }
.piano{
  display:grid;
  grid-template-columns: repeat(8, 1fr);
  gap:5px;
  margin-top:14px;
}
.key{
  background: linear-gradient(180deg, var(--cream), #cdbf99);
  border:1px solid #7a6b48;
  border-radius:5px; height:62px;
  display:flex; align-items:flex-end; justify-content:center;
  padding-bottom:8px;
  font-family:var(--font-mono); font-size:9.5px; color:#4a3f28;
  cursor:pointer; user-select:none;
  box-shadow: 0 3px 0 #7a6b48, inset 0 1px 0 rgba(255,255,255,.6);
  transition: transform .06s ease, box-shadow .06s ease;
}
.key.active{
  background: linear-gradient(180deg, var(--amber), #b9720f);
  color:#2a1a04; font-weight:600;
  transform:translateY(3px);
  box-shadow: 0 0 0 #7a6b48, inset 0 0 10px rgba(0,0,0,.35);
}

/* ---------- footer: speaker grille cloth ---------- */
.site-footer{
  position:relative; z-index:2;
  padding:24px clamp(18px,4vw,44px);
  background-color: var(--wood-2);
  background-image: radial-gradient(circle, rgba(0,0,0,.55) 1px, transparent 1.4px);
  background-size:6px 6px;
  border-top:3px solid var(--wood-3);
  box-shadow: inset 0 3px 8px rgba(0,0,0,.5);
}
.footer-inner{
  font-family:var(--font-mono); font-size:11px; color:var(--cream-dim);
  display:flex; flex-wrap:wrap; gap:10px; align-items:center;
}
.footer-inner a{ color:var(--amber); text-decoration:none; }
.footer-inner a:hover{ color:var(--cream); }
.footer-dot{ opacity:.5; }

@media (prefers-reduced-motion: reduce){
  .power-led, .btn-start-ring{ animation:none; }
}