:root {
  --bg: #020604;
  --g: #39ff88;
  --g-dim: rgba(57, 255, 136, 0.55);
  --g-faint: rgba(57, 255, 136, 0.16);
  --red: #ff2a2a;
  --signal: #ff2a2a;
  --mono: 'Share Tech Mono', 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg); color: var(--g); font-family: var(--mono); overflow: hidden; }
body { font-size: clamp(11px, 0.85vw, 15px); letter-spacing: 0.04em; text-transform: uppercase; }

/* CRT-ish overlay */
body::after {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 50;
  background:
    repeating-linear-gradient(to bottom, rgba(0,0,0,0.18) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.55) 100%);
}

.frame { position: relative; border: 1px solid var(--g-faint); }
.frame::before, .frame::after {
  content: ''; position: absolute; width: 14px; height: 14px; border: 2px solid var(--g); pointer-events: none;
}
.frame::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.frame::after { bottom: -2px; right: -2px; border-left: 0; border-top: 0; }

.label { color: var(--g-dim); font-size: 0.85em; }
.label b { color: var(--g); font-weight: normal; }
.blink { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.signal { background: var(--signal); }
.brain-host { position: relative; overflow: hidden; }
.brain-host canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.log { overflow: hidden; color: var(--g-dim); line-height: 1.55; }
.log div:last-child { color: var(--g); }

.bar { height: 6px; background: var(--g-faint); position: relative; overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; background: var(--g); }

.hide-ui .ui { opacity: 0; }

/* --- shared monitor layout (design A) --- */
body.monitor { display: grid; grid-template-rows: auto 1fr auto; gap: 1.2vh; padding: 2vh 1.6vw; height: 100vh; }
.monitor header, .monitor footer { display: flex; justify-content: space-between; align-items: center; gap: 2vw; }
.monitor header .title { font-size: 1.5em; letter-spacing: 0.25em; }
.monitor main { display: grid; grid-template-columns: 1fr 24vw; gap: 1.6vw; min-height: 0; }
.monitor .hero { display: grid; grid-template-rows: auto 1fr; gap: 1vh; min-height: 0; }
.monitor .side { display: grid; grid-template-rows: auto 1fr; gap: 1.6vw; min-height: 0; }
.panel-head { display: flex; justify-content: space-between; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4vh 1vw; padding: 1.4vh 1vw; }
.stats .v { font-size: 1.6em; }
.stats > div { border-top: 1px solid var(--g-faint); padding-top: 0.6vh; }
.monitor .log { padding: 1vh 0.8vw; }
.monitor footer .bars { display: flex; gap: 1.2vw; flex: 1; max-width: 50%; }
.monitor footer .bars > div { flex: 1; }
.bar i { transition: width 0.6s ease; }
.link-ok { color: var(--g); }
.link-bad { color: #ffb02a; }
body.no-scan::after { display: none; }
.hide-ui .ui { opacity: 0; transition: opacity 0.4s; }
.ui { transition: opacity 0.4s; }