/* ── Sector G: Firewall ──────────────────────────────────── */
.fw-track {
  position: relative;
  height: clamp(22px, 4.5vh, 36px);
  background:
    linear-gradient(180deg, rgba(56,255,92,0.04) 0%, rgba(0,0,0,0.2) 100%),
    rgba(255, 255, 255, 0.02);
  border: 2px solid rgba(56, 255, 92, 0.2);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.35), 0 2px 4px rgba(0,0,0,0.2);
  container-type: inline-size;
}

.fw-zone {
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  background: rgba(56, 255, 92, 0.18);
  border-left: 2px solid var(--green);
  border-right: 2px solid var(--green);
  box-shadow: inset 0 0 12px rgba(56, 255, 92, 0.1);
  will-change: transform;
}

.fw-zone.hit {
  background: rgba(56, 255, 92, 0.4);
  box-shadow: inset 0 0 15px rgba(56, 255, 92, 0.2);
}

.fw-zone.perfect {
  background: rgba(255, 204, 0, 0.5);
  border-color: var(--yellow);
  box-shadow: inset 0 0 15px rgba(255, 204, 0, 0.25);
}

.fw-zone.miss {
  background: rgba(255, 56, 56, 0.3);
  border-color: var(--red);
  box-shadow: inset 0 0 12px rgba(255, 56, 56, 0.15);
}

.fw-zone.near-miss {
  background: rgba(255, 136, 0, 0.3);
  border-color: var(--orange);
  box-shadow: inset 0 0 12px rgba(255, 136, 0, 0.15);
}

.fw-needle {
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: 0;
  width: 4px;
  background: var(--white);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.8), 0 0 25px rgba(255, 255, 255, 0.4), 0 0 4px rgba(255,255,255,1);
  border-radius: 2px;
  will-change: transform;
  transition: none;
}

/* ── Sector B: Decryptor ─────────────────────────────────── */
#decrypt-display {
  display: flex;
  flex-direction: column;
  gap: clamp(6px, 1.2vh, 14px);
  flex: 1;
  justify-content: center;
}

#decrypt-queue {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1vw, 12px);
  justify-content: center;
}

.dq-label {
  font-size: clamp(0.55rem, 1.2vw, 0.85rem);
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-right: 4px;
}

.dq-bit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(30px, 4vw, 48px);
  height: clamp(26px, 3.5vh, 40px);
  border: 2px solid rgba(56,136,255,0.18);
  border-radius: 6px;
  font-size: clamp(0.9rem, 2vw, 1.3rem);
  font-weight: bold;
  background: rgba(56, 136, 255, 0.04);
  color: var(--text-dim);
}