/* ============================================================
   lab.css — The Lab Interactive Section
============================================================ */

.lab {
  position: relative;
  background: linear-gradient(180deg, var(--space-black) 0%, rgba(26,10,61,0.3) 100%);
  padding: var(--space-8) 0;
}
.lab-intro {
  font-family: 'Crimson Pro', serif;
  font-size: var(--text-md);
  color: var(--cool-grey);
  margin-top: var(--space-3);
}
.lab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

/* Module shell */
.lab-module {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: border-color 0.3s;
}
.lab-module:hover { border-color: rgba(244,180,0,0.12); }

.lab-module-header {
  padding: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.lab-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
.dot-gold { background: var(--solar-gold); }
.dot-cyan { background: var(--accent-cyan); }
.dot-teal { background: var(--accent-teal); }

.lab-module-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: var(--cool-grey);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.lab-module-body {
  padding: var(--space-4);
  min-height: 320px;
}
.lab-no-pad { padding: 0; }

/* ── Chat ─────────────────────────────── */
.chat-messages {
  height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  scrollbar-width: thin;
  scrollbar-color: rgba(244,180,0,0.3) transparent;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(244,180,0,0.3);
  border-radius: 2px;
}
.chat-msg {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  line-height: 1.6;
  padding: var(--space-2) var(--space-3);
  max-width: 85%;
}
.chat-msg.user {
  background: rgba(244,180,0,0.1);
  border-left: 2px solid var(--solar-gold);
  color: var(--stellar-white);
  align-self: flex-end;
}
.chat-msg.bot {
  background: rgba(0,212,255,0.05);
  border-left: 2px solid var(--accent-cyan);
  color: var(--cool-grey);
  align-self: flex-start;
}
.chat-input-row { display: flex; gap: var(--space-2); }
.chat-input {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: var(--stellar-white);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-2) var(--space-3);
  outline: none;
  transition: border-color 0.3s;
}
.chat-input:focus { border-color: rgba(244,180,0,0.4); }
.chat-input::placeholder { color: rgba(136,150,176,0.5); }
.chat-send {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--space-black);
  background: var(--solar-gold);
  border: none;
  padding: var(--space-2) var(--space-3);
  cursor: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s;
}
.chat-send:hover { background: var(--gold-bright); transform: scale(1.02); }

/* ── Solar ────────────────────────────── */
#mini-solar {
  display: block;
  width: 100%;
  height: 250px;
}
.solar-hint {
  padding: var(--space-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: var(--dim-grey);
  border-top: 1px solid rgba(255,255,255,0.04);
}

/* ── Game ─────────────────────────────── */
.game-canvas {
  display: block;
  width: 100%;
  height: 200px;
  background: var(--space-black);
  image-rendering: pixelated;
}
.game-hud {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: var(--solar-gold);
  letter-spacing: 0.15em;
  margin-top: var(--space-2);
  display: flex;
  justify-content: space-between;
}
.game-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: var(--space-black);
  background: var(--solar-gold);
  border: none;
  padding: var(--space-2) var(--space-4);
  cursor: none;
  margin-top: var(--space-3);
  width: 100%;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.2s;
}
.game-btn:hover { background: var(--gold-bright); }

@media (max-width: 1024px) { .lab-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px)  { .lab-grid { grid-template-columns: 1fr; } }