.lab-shell {
  display:grid;
  grid-template-columns: minmax(0, 1.16fr) 360px;
  gap: 18px;
}
.lab-canvas-panel, .lab-controls { padding: 18px; }
.lab-canvas-head {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 12px;
  margin-bottom: 14px;
}
.lab-canvas-head h3 { margin:0 0 5px; }
.lab-canvas-head small { color: var(--muted); }
.status-pill {
  padding: 8px 12px;
  border-radius: 999px;
  color: #bfffe6;
  background: rgba(53,242,160,.10);
  border:1px solid rgba(53,242,160,.28);
  font-weight: 800;
}
.control-group { display:grid; gap: 13px; }
.control-group label { display:grid; gap: 8px; color: var(--text); font-weight: 700; }
.control-group span { color: var(--muted); font-size: .9rem; }
input[type="range"], select { width:100%; }
input[type="range"] {
  appearance:none;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(45,226,255,.42), rgba(183,108,255,.34));
  outline:none;
}
input[type="range"]::-webkit-slider-thumb {
  appearance:none;
  width:18px;
  height:18px;
  border-radius:50%;
  border:2px solid #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 0 18px rgba(79,124,255,.36);
}
select {
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 14px;
  border:1px solid var(--line);
}
.metrics-grid {
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 14px;
  margin-top: 16px;
}
.metric {
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(16,22,38,.86), rgba(9,13,23,.90));
  border:1px solid var(--line);
}
.metric small { color: var(--muted); display:block; margin-bottom:6px; }
.metric strong { font-size: 1.22rem; }
@media(max-width: 1180px) {
  .lab-shell { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}


/* v08 fixes: animated lab runtime + student mission */
.audio-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(45,226,255,.06);
  border: 1px solid rgba(45,226,255,.16);
  color: #dffaff;
  font-size: .86rem;
  font-weight: 800;
}

.audio-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 16px rgba(255,184,77,.5);
}

.audio-status.active::before {
  background: var(--green);
  box-shadow: 0 0 16px rgba(53,242,160,.55);
}

.experience-zone {
  padding: 24px;
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: 18px;
  align-items: stretch;
}

.experience-copy {
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.08);
}

.experience-copy h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
}

.experience-copy p {
  color: var(--muted);
  line-height: 1.72;
}

.experience-result {
  min-height: 52px;
  margin-top: 14px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(3,8,15,.70);
  border: 1px solid rgba(45,226,255,.12);
  color: #dffaff;
  font-weight: 700;
}

.mission-canvas-wrap {
  position: relative;
  min-height: 360px;
  border-radius: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(45,226,255,.10), transparent 38%),
    linear-gradient(180deg, rgba(7,11,20,.78), rgba(3,5,10,.92));
  border: 1px solid rgba(255,255,255,.08);
}

#missionCanvas {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: none;
  background: transparent;
}

.mission-badge {
  position: absolute;
  left: 18px;
  top: 18px;
  z-index: 3;
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(6,10,18,.70);
  border: 1px solid rgba(45,226,255,.18);
  font-size: .82rem;
  font-weight: 900;
}

.lab-canvas-panel canvas,
#moduleCanvas {
  min-height: 420px;
}

@media(max-width: 1180px) {
  .experience-grid { grid-template-columns: 1fr; }
  .mission-canvas-wrap, #missionCanvas { min-height: 310px; }
}