:root{
  --bg:#07090a;
  --panel:#12100d;
  --panel2:#1b1712;
  --metal:#2a2620;
  --ink:#c9c4b6;
  --dim:#6b665a;
  --acc:#33ff66;
  --amber:#ffb000;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;}
body{
  background:
    radial-gradient(circle at 50% -10%, #14120c 0%, #07090a 60%),
    repeating-linear-gradient(0deg,transparent 0 3px,rgba(0,0,0,.15) 3px 4px);
  color:var(--ink);
  font-family:'Space Mono',monospace;
  display:flex;flex-direction:column;min-height:100%;
}

/* ---- Header ---- */
#topbar{
  display:flex;align-items:baseline;gap:14px;
  padding:14px 20px;border-bottom:1px solid #221e17;
  background:linear-gradient(#151209,#0c0a07);
}
#topbar h1{
  font-family:'VT323',monospace;
  font-size:34px;margin:0;letter-spacing:1px;
  color:var(--amber);
  text-shadow:0 0 8px rgba(255,176,0,.6), 0 0 22px rgba(255,176,0,.25);
}
.tagline{font-family:'VT323',monospace;font-size:18px;color:var(--dim);}

/* ---- Layout ---- */
#wrap{
  flex:1;display:flex;gap:20px;padding:20px;
  align-items:flex-start;max-width:1200px;margin:0 auto;width:100%;
}
#scope-shell{flex:1;min-width:0;display:flex;flex-direction:column;gap:10px;}

/* ---- CRT ---- */
#crt{
  position:relative;width:100%;aspect-ratio:1/1;
  border-radius:26px;
  background:#050a05;
  border:2px solid #241f17;
  box-shadow:
    inset 0 0 60px rgba(0,0,0,.9),
    inset 0 0 120px rgba(0,0,0,.7),
    0 10px 40px rgba(0,0,0,.6),
    0 0 0 10px #17130d, 0 0 0 12px #29231a;
  overflow:hidden;
}
#canvas{position:absolute;inset:0;margin:auto;display:block;}
#vignette{
  position:absolute;inset:0;pointer-events:none;border-radius:26px;
  box-shadow:inset 0 0 90px 20px rgba(0,0,0,.85);
  background:radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,.55) 100%);
}
#scanlines{
  position:absolute;inset:0;pointer-events:none;opacity:.35;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.4) 0 1px,transparent 1px 3px);
}
#video{
  position:absolute;right:10px;bottom:10px;width:22%;max-width:130px;
  border:1px solid rgba(255,255,255,.15);border-radius:6px;
  display:none;opacity:.85;z-index:3;
}

/* ---- Readout ---- */
#readout{
  display:flex;flex-wrap:wrap;gap:6px 18px;
  font-family:'VT323',monospace;font-size:20px;
  padding:8px 14px;background:#0c0a07;border:1px solid #221e17;border-radius:8px;
  color:var(--acc);letter-spacing:1px;
}
#trig{color:var(--amber);}
#trig.live{color:var(--acc);}
.blink{animation:bl 1.1s steps(2,start) infinite;}
@keyframes bl{50%{opacity:.25;}}

/* ---- Controls panel ---- */
#controls{
  width:330px;flex-shrink:0;
  background:linear-gradient(#1a1610,#120f0a);
  border:1px solid #2c261d;border-radius:16px;
  padding:16px;display:flex;flex-direction:column;gap:14px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04), 0 8px 30px rgba(0,0,0,.5);
}

#dropzone{
  border:2px dashed #4a4234;border-radius:12px;
  padding:22px 10px;text-align:center;cursor:pointer;
  transition:.2s;background:#0e0c08;
}
#dropzone:hover,#dropzone.over{border-color:var(--amber);background:#1a1509;}
.dz-inner strong{display:block;color:var(--amber);font-size:14px;letter-spacing:1px;}
.dz-inner span{font-size:11px;color:var(--dim);}
#filename{font-size:11px;color:var(--dim);text-align:center;word-break:break-all;}

.transport{display:flex;gap:8px;}
.btn{
  flex:1;font-family:'Space Mono',monospace;font-weight:700;font-size:12px;
  padding:10px 4px;cursor:pointer;letter-spacing:.5px;
  background:linear-gradient(#2b2519,#1a1610);
  color:var(--ink);border:1px solid #3a3222;border-radius:8px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:.15s;
}
.btn:hover{background:linear-gradient(#372f1f,#221d13);color:var(--amber);}
.btn:active{transform:translateY(1px);}

.seek{width:100%;accent-color:var(--amber);cursor:pointer;}

.knobs{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;}
.knobs label{
  display:flex;flex-direction:column;gap:3px;
  font-size:10px;letter-spacing:1px;color:var(--dim);
}
.knobs input[type=range]{width:100%;accent-color:var(--acc);cursor:pointer;}
.knobs b{color:var(--acc);font-size:12px;font-weight:400;font-family:'VT323',monospace;}

.toggles{display:flex;flex-direction:column;gap:10px;}
.tgl{
  font-family:'Space Mono',monospace;font-size:11px;font-weight:700;
  padding:9px;cursor:pointer;letter-spacing:1px;
  background:#161209;border:1px solid #3a3222;color:var(--dim);border-radius:8px;
}
.tgl.on{color:#050a05;background:var(--acc);border-color:var(--acc);box-shadow:0 0 12px rgba(51,255,102,.4);}

.swatches{display:flex;gap:8px;}
.sw{
  width:34px;height:34px;border-radius:50%;cursor:pointer;
  border:2px solid #2c261d;transition:.15s;
}
.sw:hover{transform:scale(1.08);}
.sw.sel{border-color:#fff;box-shadow:0 0 10px rgba(255,255,255,.5);}

#err{
  display:none;font-size:11px;color:#ff6b6b;
  background:#2a0d0d;border:1px solid #5a1f1f;border-radius:8px;padding:8px;
}

/* ---- Footer ---- */
footer{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
  padding:12px 20px;border-top:1px solid #221e17;
  font-size:11px;color:var(--dim);font-family:'VT323',monospace;font-size:16px;
}
footer a{color:var(--amber);text-decoration:none;border-bottom:1px dotted var(--amber);}
footer a:hover{text-shadow:0 0 8px rgba(255,176,0,.6);}

/* ---- Responsive ---- */
@media (max-width:820px){
  #wrap{flex-direction:column;padding:12px;gap:14px;}
  #controls{width:100%;}
  #topbar h1{font-size:26px;}
  .tagline{display:none;}
}