:root {
  --bg: #05090e;
  --panel: #0d141c;
  --panel2: #121b26;
  --metal: linear-gradient(160deg, #1a2430, #0c131b);
  --green: #39ff14;
  --amber: #ffb000;
  --cyan: #00e5ff;
  --dim: #4a6a56;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background:
    radial-gradient(circle at 20% 0%, #0e1a24 0%, transparent 55%),
    radial-gradient(circle at 90% 100%, #14100a 0%, transparent 50%),
    var(--bg);
  color: #c8e6d0;
  font-family: 'JetBrains Mono', monospace;
  min-height: 100vh;
  padding: 14px;
}

#app { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }

/* header */
#head { text-align: center; padding: 6px 0; }
.brand { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.dish { font-size: 26px; animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 50% { transform: rotate(-8deg) scale(1.08); } }
h1 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: clamp(22px, 5vw, 40px);
  letter-spacing: 4px;
  color: var(--green);
  text-shadow: 0 0 8px rgba(57,255,20,0.6), 0 0 22px rgba(57,255,20,0.3);
}
.led {
  width: 12px; height: 12px; border-radius: 50%;
  background: #3a1010; box-shadow: inset 0 0 4px #000;
  transition: 0.2s;
}
.led.on { background: #ff3030; box-shadow: 0 0 10px #ff3030, 0 0 18px #ff2020; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
.txrx { font-size: 11px; color: var(--dim); letter-spacing: 2px; }
.subtitle { font-size: 10px; letter-spacing: 3px; color: var(--dim); margin-top: 4px; text-transform: uppercase; }

/* loader */
#dropzone {
  border: 2px dashed rgba(57,255,20,0.35);
  border-radius: 10px;
  padding: 22px;
  cursor: pointer;
  background: rgba(57,255,20,0.02);
  transition: 0.2s;
}
#dropzone:hover, #dropzone.drag { border-color: var(--green); background: rgba(57,255,20,0.07); }
#dropzone.loaded { border-color: rgba(0,229,255,0.5); }
#dropzone.nope { animation: shake 0.4s; border-color: #ff4040; }
@keyframes shake { 25%{transform:translateX(-6px)} 75%{transform:translateX(6px)} }
.dz-inner { text-align: center; }
.dz-icon { font-size: 30px; }
.dz-text { font-size: 13px; margin-top: 6px; line-height: 1.5; }
.dz-text small { color: var(--dim); font-size: 10px; }
.dz-file { margin-top: 8px; color: var(--cyan); font-size: 12px; }

/* display */
#display {
  background: var(--panel);
  border: 1px solid rgba(57,255,20,0.15);
  border-radius: 10px;
  padding: 10px;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.6);
}
#spectrum, #waterfall { display: block; width: 100%; border-radius: 6px; }
#waterfall { margin-top: 6px; background: #000; }

/* analog TV screen + scope */
#tvwrap { display: none; margin-top: 10px; }
#tvwrap.show { display: block; }
#tvlabel, #scopelabel {
  font-size: 9px; letter-spacing: 1px; color: var(--dim);
  text-transform: uppercase; margin: 6px 0 4px;
}
#tvscreen {
  display: block; width: 100%; border-radius: 10px; background: #000;
  border: 3px solid #1a2430; image-rendering: pixelated;
  aspect-ratio: 4 / 3;
  box-shadow: inset 0 0 50px rgba(0,0,0,0.9), 0 0 26px rgba(0,229,255,0.08);
}
#scope {
  display: block; width: 100%; height: 90px; margin-top: 2px;
  border-radius: 6px; background: #030608;
  border: 1px solid rgba(0,229,255,0.18);
}
#modeTV.active {
  color: var(--cyan); border-color: var(--cyan);
  background: linear-gradient(180deg, #0a1c24, #050f14);
  box-shadow: 0 0 12px rgba(0,229,255,0.35), inset 0 0 10px rgba(0,229,255,0.15);
  text-shadow: 0 0 8px var(--cyan);
}
#tvBars.active, #tvLive.active {
  color: var(--amber); border-color: var(--amber);
  background: linear-gradient(180deg, #241c0a, #140f05);
  box-shadow: 0 0 10px rgba(255,176,0,0.3), inset 0 0 8px rgba(255,176,0,0.12);
  text-shadow: 0 0 6px var(--amber);
}
#tvgrp .mode-btn { font-size: 12px; padding: 10px; }

#statusbar {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: space-between;
  margin-top: 8px; font-size: 11px; letter-spacing: 1px;
  color: var(--green);
}
.lock-on { color: var(--green); text-shadow: 0 0 6px var(--green); }
.lock-off { color: var(--amber); }

/* panel */
#panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.grp {
  background: var(--metal);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 4px 12px rgba(0,0,0,0.4);
}
.grp-title { font-size: 10px; letter-spacing: 2px; color: var(--dim); margin-bottom: 10px; text-transform: uppercase; }

.row { display: flex; gap: 10px; }
label {
  flex: 1; display: flex; flex-direction: column;
  font-size: 9px; letter-spacing: 1px; color: var(--dim); gap: 4px;
}
input[type=number] {
  background: #060c12; border: 1px solid rgba(57,255,20,0.25);
  color: var(--green); font-family: inherit; font-size: 14px;
  padding: 6px 8px; border-radius: 5px; width: 100%;
}
input[type=number]:focus { outline: none; border-color: var(--green); box-shadow: 0 0 8px rgba(57,255,20,0.3); }

.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.presets button {
  font-size: 10px; padding: 5px 8px; letter-spacing: 0.5px;
  background: #0a121a; color: #7fd4a0; border: 1px solid rgba(57,255,20,0.2);
  border-radius: 4px; cursor: pointer; font-family: inherit; transition: 0.15s;
}
.presets button:hover { background: rgba(57,255,20,0.12); color: var(--green); }

/* readouts — 7-seg vibe */
.readout {
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  font-size: 30px;
  text-align: center;
  color: var(--green);
  background: #030608;
  border-radius: 6px; padding: 8px 0; margin-bottom: 12px;
  letter-spacing: 3px;
  text-shadow: 0 0 10px currentColor;
  border: 1px solid rgba(0,0,0,0.6);
  box-shadow: inset 0 0 14px rgba(0,0,0,0.8);
}
.readout.amber { color: var(--amber); }
.readout.cyan { color: var(--cyan); }

/* faders */
.fader { -webkit-appearance: none; appearance: none; width: 100%; height: 8px;
  background: linear-gradient(90deg, #071018, #0e1c26);
  border-radius: 4px; outline: none; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.05); }
.fader::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 28px; border-radius: 4px;
  background: linear-gradient(180deg, #2a3a48, #101a24);
  border: 1px solid var(--green);
  box-shadow: 0 0 8px rgba(57,255,20,0.4);
}
.fader::-moz-range-thumb {
  width: 20px; height: 28px; border-radius: 4px;
  background: linear-gradient(180deg, #2a3a48, #101a24);
  border: 1px solid var(--green);
}
.fader.tx::-webkit-slider-thumb { border-color: var(--cyan); box-shadow: 0 0 8px rgba(0,229,255,0.4); }
.fader.noise::-webkit-slider-thumb { border-color: var(--cyan); }

.wild {
  width: 100%; margin-top: 12px; padding: 8px;
  font-family: inherit; font-size: 11px; letter-spacing: 1px;
  background: linear-gradient(180deg, #1c1226, #0d0814);
  color: #d0a0ff; border: 1px solid rgba(180,120,255,0.4);
  border-radius: 6px; cursor: pointer; transition: 0.15s;
}
.wild:hover { background: rgba(180,120,255,0.15); box-shadow: 0 0 12px rgba(180,120,255,0.3); }

.bw-hint {
  display: flex; justify-content: space-between;
  font-size: 8px; letter-spacing: 0.5px; color: var(--dim);
  margin-top: 6px; text-transform: uppercase;
}

.modes { display: flex; gap: 8px; }
.mode-btn {
  flex: 1; padding: 12px; font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 16px; letter-spacing: 2px; cursor: pointer; border-radius: 6px;
  border: 1px solid rgba(57,255,20,0.25); color: var(--dim);
  background: linear-gradient(180deg, #0c1610, #050a07); transition: 0.15s;
}
.mode-btn:hover { border-color: rgba(57,255,20,0.5); color: #7fd4a0; }
.mode-btn.active {
  color: var(--green); border-color: var(--green);
  background: linear-gradient(180deg, #14281a, #0a140d);
  box-shadow: 0 0 12px rgba(57,255,20,0.35), inset 0 0 10px rgba(57,255,20,0.15);
  text-shadow: 0 0 8px var(--green);
}
.mode-desc { font-size: 8px; letter-spacing: 0.5px; color: var(--dim); margin-top: 8px; text-transform: uppercase; }

.transport { display: flex; gap: 8px; margin-top: 12px; }
.transport button {
  flex: 1; padding: 10px; font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 12px; letter-spacing: 1px; cursor: pointer; border-radius: 6px;
  border: 1px solid rgba(57,255,20,0.4); color: var(--green);
  background: linear-gradient(180deg, #14241a, #08120c); transition: 0.15s;
}
.transport button:hover { background: rgba(57,255,20,0.15); box-shadow: 0 0 12px rgba(57,255,20,0.3); }
#stop { border-color: rgba(255,80,80,0.4); color: #ff8080; background: linear-gradient(180deg, #241414, #120808); }
#stop:hover { background: rgba(255,80,80,0.15); }

/* footer */
#foot {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between;
  font-size: 10px; color: var(--dim); padding: 8px 4px; border-top: 1px solid rgba(57,255,20,0.1);
}
#foot a { color: var(--green); text-decoration: none; }
#foot a:hover { text-shadow: 0 0 8px var(--green); }

@media (max-width: 560px) {
  .readout { font-size: 24px; }
  h1 { letter-spacing: 2px; }
}