/* LCARS "Starfleet science console" styling — Okuda-era TNG bridge computer.
   True-black field, #ff9900 orange chrome, Antonio condensed display caps,
   Barlow body, JetBrains Mono for all numeric/UI data, asymmetric elbow radii,
   segmented tri-colour bars, CRT scanline overlay. */

@import url('https://fonts.googleapis.com/css2?family=Antonio:wght@400;500;600;700&family=Barlow+Semi+Condensed:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg: #000000;
  --bg-2: #05060a;
  --panel: #0a0c12;
  --panel-2: #0d0f17;
  --field: #111520;

  --ink: #e8ebf2;
  --ink-soft: #8890a3;
  --ink-dim: #4d5366;
  --heading: #ffffff;

  --orange: #ff9900;
  --gold: #ffcc66;
  --salmon: #ff9966;
  --peach: #ffcc99;
  --lilac: #cc99cc;
  --violet: #9966cc;
  --blue: #9999cc;
  --peri: #7c9cff;
  --red: #cc6666;

  --border: #1a1e2a;
  --border-lcars: rgba(255, 153, 0, 0.28);
  --border-strong: rgba(255, 153, 0, 0.55);
  --glow: 0 0 22px rgba(255, 153, 0, 0.20);
  --glow-strong: 0 0 26px rgba(255, 153, 0, 0.42);

  --display: 'Antonio', 'Barlow Condensed', Impact, system-ui, sans-serif;
  --body: 'Barlow Semi Condensed', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Cascadia Mono', Menlo, Consolas, monospace;

  --radius-elbow: 4px 4px 18px 4px;
  --radius-fig: 4px 4px 14px 4px;
  --radius-pill: 4px 26px 26px 4px;

  --segbar: linear-gradient(90deg,
    var(--orange) 0 8%, transparent 8% 10%,
    var(--gold) 10% 32%, transparent 32% 34%,
    var(--salmon) 34% 64%, transparent 64% 66%,
    var(--lilac) 66% 100%);
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0 auto;
  padding: 18px 22px 40px;
  max-width: 1560px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.45;
}

/* CRT scanlines */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg,
    rgba(255, 153, 0, 0.02) 0 1px, transparent 1px 3px);
  mix-blend-mode: screen;
  opacity: 0.5;
  pointer-events: none;
  z-index: 9999;
}

::selection { background: var(--orange); color: #000; }

/* ---------- header ---------- */

header { margin-bottom: 16px; }

h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--heading);
  margin: 0 0 2px;
  display: flex;
  align-items: center;
  gap: 12px;
}

h1::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 8px var(--orange);
  animation: lcarsPulse 2.2s ease-in-out infinite;
  flex: none;
}

h1 .crumb { color: var(--orange); font-size: 1.2rem; }

.subtitle {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.masthead-bar {
  height: 5px;
  border-radius: 2px 10px 10px 2px;
  background: var(--segbar);
}

@keyframes lcarsPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---------- main grid ---------- */

main {
  display: grid;
  grid-template-columns: minmax(330px, 0.62fr) 1.38fr;
  gap: 18px;
  align-items: start;
}

#stage { display: flex; flex-direction: column; gap: 14px; }

/* ---------- sections / panels ---------- */

section {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border-lcars);
  border-radius: var(--radius-elbow);
  padding: 40px 16px 14px 22px;
  overflow: hidden;
}

section::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6px;
  background: var(--orange);
}

section::before {
  content: 'Inputs \25B8\00A0 Orbit / Craft / Magnet';
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: 8px 16px 7px 22px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}

/* ---------- figures (viewscreens) ---------- */

figure {
  margin: 0;
  background: var(--panel-2);
  border: 1px solid var(--border-lcars);
  border-radius: var(--radius-fig);
  padding: 10px;
  overflow: hidden;
}

#viewport3d { border-color: var(--border-strong); box-shadow: var(--glow); }

figure canvas {
  display: block;
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 2px;
}

#gl { height: 520px; }
#spectrumCanvas { height: 340px; }

figcaption {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 8px 4px 2px;
}

/* ---------- control rows ---------- */

.ctl {
  margin: 14px 0 4px;
}

.ctl-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.ctl-head label {
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gold);
}

.ctl-head output {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ctl-head output .unit { color: var(--ink-soft); font-size: 0.7rem; letter-spacing: 0.08em; }

.ctl-group {
  margin: 20px 0 6px;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--salmon);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ctl-group::before {
  content: '';
  width: 18px; height: 8px;
  border-radius: 2px 8px 8px 2px;
  background: var(--salmon);
  flex: none;
}

.ctl-group::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* range sliders */
input[type='range'] {
  --fill: 50%;
  --slider-accent: var(--orange);
  --slider-thumb: var(--gold);
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  margin: 4px 0 0;
  background: transparent;
  cursor: pointer;
}

input[type='range']::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 2px 6px 6px 2px;
  background:
    linear-gradient(90deg, var(--slider-accent) 0 var(--fill), transparent var(--fill) 100%),
    var(--field);
  border: 1px solid var(--border);
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 18px;
  margin-top: -6px;
  border-radius: 3px 9px 9px 3px;
  background: var(--slider-thumb);
  border: 1.5px solid #000;
  box-shadow: 0 0 10px rgba(255, 153, 0, 0.45);
}

/* over the REBCO practical field limit */
input[type='range'].over {
  --slider-accent: #e04040;
  --slider-thumb: #ff6655;
}
input[type='range'].over::-webkit-slider-thumb { box-shadow: 0 0 12px rgba(255, 60, 40, 0.7); }

input[type='range']:focus { outline: none; }
input[type='range']:focus::-webkit-slider-thumb { background: var(--orange); box-shadow: var(--glow-strong); }

input[type='range']::-moz-range-track {
  height: 8px;
  border-radius: 2px 6px 6px 2px;
  background: var(--field);
  border: 1px solid var(--border);
}
input[type='range']::-moz-range-progress { height: 8px; border-radius: 2px 0 0 2px; background: var(--slider-accent); }
input[type='range']::-moz-range-thumb {
  width: 22px; height: 18px;
  border-radius: 3px 9px 9px 3px;
  background: var(--slider-thumb);
  border: 1.5px solid #000;
  box-shadow: 0 0 10px rgba(255, 153, 0, 0.45);
}

/* toggle (solar cycle) */
.toggle {
  display: flex;
  gap: 3px;
  margin-top: 6px;
}

.toggle button {
  flex: 1;
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 7px 10px;
  background: var(--field);
  color: var(--ink-soft);
  border: 1px solid var(--border);
  cursor: pointer;
}

.toggle button:first-child { border-radius: 4px 4px 4px 14px; }
.toggle button:last-child { border-radius: 4px 14px 4px 4px; }

.toggle button.on {
  background: var(--orange);
  color: #000;
  border-color: var(--orange);
  box-shadow: var(--glow);
}

.toggle button:hover:not(.on) { color: var(--gold); border-color: var(--border-lcars); }

/* status line */
.binding {
  margin-top: 18px;
  padding: 8px 12px;
  border-left: 4px solid var(--orange);
  border-radius: 0 4px 4px 0;
  background: var(--panel-2);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 34px;
}

.binding::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 8px var(--orange);
  animation: lcarsPulse 2.2s ease-in-out infinite;
  flex: none;
}

.binding .saa {
  color: var(--red);
  font-weight: 700;
}

/* ---------- sidebar + legend panel ---------- */

#sidebar { display: flex; flex-direction: column; gap: 14px; }

#legend {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border-lcars);
  border-radius: var(--radius-elbow);
  padding: 12px 16px 12px 22px;
  overflow: hidden;
}

#legend::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6px;
  background: var(--gold);
}

.legend-head,
.legend-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: baseline;
}

.legend-head {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
  margin-bottom: 4px;
}

.legend-row { padding: 5px 0; }

.legend-row .name {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 9px;
}

.legend-row .name::before {
  content: '';
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: currentColor;
  box-shadow: 0 0 6px currentColor;
  flex: none;
}

.legend-row .vals {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.legend-row .vals .raw { color: var(--ink-soft); font-size: 0.66rem; }

/* ---------- readouts strip ---------- */

#readouts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ro {
  flex: 1 1 108px;
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: 0 4px 12px 4px;
  padding: 6px 10px 7px;
}

.ro .k {
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ro .v {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ro .v .unit { color: var(--ink-soft); font-size: 0.64rem; }

.ro.alert { border-left-color: #e04040; }
.ro.alert .v { color: #ff6655; }
.ro.alert .v::after { content: ' \26A0'; font-size: 0.72rem; }

/* ---------- footer ---------- */

footer {
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  color: var(--ink-dim);
  font-size: 0.82rem;
  max-width: 1100px;
}

footer a { color: var(--ink-soft); }
footer a:hover { color: var(--gold); }

/* ---------- scrollbars ---------- */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: var(--orange); border: 3px solid #000; border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  main { grid-template-columns: 1fr; }
  #gl { height: 420px; }
}

@media (prefers-reduced-motion: reduce) {
  h1::before, .binding::before { animation: none; }
}