/* ==========================================================================
   SIMULATOR COMPONENT STYLES & ANIMATIONS
   Visual metaphors: Buildings, Workers, GIL Key, Event Loop, Vending Machine
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CIRCULAR EVENT LOOP DISPATCHER
   -------------------------------------------------------------------------- */
.eventloop-stage-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.eventloop-center-hub {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, #1e1b4b 0%, #0f172a 70%);
  border: 2px dashed rgba(168, 85, 247, 0.4);
  box-shadow: 0 0 35px rgba(168, 85, 247, 0.25), inset 0 0 20px rgba(168, 85, 247, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  z-index: 10;
}

.eventloop-center-hub:hover {
  transform: scale(1.03);
  box-shadow: 0 0 45px rgba(168, 85, 247, 0.4);
}

.eventloop-center-hub.active {
  animation: loop-glow 2s infinite ease-in-out;
}

@keyframes loop-glow {
  0%, 100% { border-color: rgba(168, 85, 247, 0.4); box-shadow: 0 0 30px rgba(168, 85, 247, 0.2); }
  50% { border-color: #a855f7; box-shadow: 0 0 50px rgba(168, 85, 247, 0.5); }
}

.eventloop-rotating-radar {
  position: absolute;
  inset: -15px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-top-color: #38bdf8;
  border-right-color: #a855f7;
  animation: spin-radar 4s linear infinite;
  pointer-events: none;
}

.eventloop-rotating-radar.paused {
  animation-play-state: paused;
}

@keyframes spin-radar {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.eventloop-title {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #fff;
  text-align: center;
  text-transform: uppercase;
}

.eventloop-state-text {
  font-size: 0.72rem;
  color: #38bdf8;
  font-family: var(--font-mono);
  margin-top: 4px;
}

/* Event Loop Stage Queues (Ready Queue vs Waiting Room) */
.queue-dock {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 210px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}

.queue-dock-title {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.queue-dock.ready .queue-dock-title { color: var(--color-done); }
.queue-dock.waiting .queue-dock-title { color: var(--color-waiting); }

.task-slot-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 120px;
}

/* Task Badge Token */
.task-token-node {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.76rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.task-token-node:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
}

.task-token-node.running {
  border-color: var(--color-async);
  background: rgba(168, 85, 247, 0.15);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.3);
}

.task-token-node.waiting {
  border-color: var(--color-waiting);
  background: rgba(245, 158, 11, 0.1);
}

.task-token-node.done {
  border-color: var(--color-done);
  background: rgba(16, 185, 129, 0.1);
}

/* --------------------------------------------------------------------------
   2. PYTHON CITY BUILDINGS (Processes vs Threads)
   -------------------------------------------------------------------------- */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  width: 100%;
  max-width: 860px;
  padding: 10px;
}

.process-building {
  background: linear-gradient(180deg, #111a2f 0%, #090f1d 100%);
  border: 2px solid #233554;
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.process-building:hover {
  border-color: #3b82f6;
  transform: translateY(-3px);
}

.building-roof {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

.building-title {
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #fff;
}

.memory-boundary-tag {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-io);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.shared-memory-pool {
  background: rgba(0, 0, 0, 0.35);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Worker Avatar inside Building */
.workers-room {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.worker-lane {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  transition: var(--transition);
}

.worker-lane.has-gil {
  border-color: var(--color-gil);
  background: rgba(251, 191, 36, 0.12);
  box-shadow: 0 0 14px rgba(251, 191, 36, 0.3);
}

.worker-avatar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.worker-icon {
  font-size: 1.1rem;
}

/* Golden GIL Key Token */
.gil-token-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
  animation: key-pulse 2s infinite ease-in-out;
}

@keyframes key-pulse {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.08); filter: brightness(1.2); }
}

/* --------------------------------------------------------------------------
   3. IPC PIPES & SERIALIZATION CONDUIT
   -------------------------------------------------------------------------- */
.ipc-conduit {
  height: 48px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px dashed rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-md);
  margin: 10px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  position: relative;
  overflow: hidden;
}

.ipc-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--color-io);
  z-index: 2;
}

.ipc-packet {
  position: absolute;
  top: 10px;
  left: 10%;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #000;
  font-weight: 700;
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
  transition: left 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   4. GENERATOR VENDING MACHINE
   -------------------------------------------------------------------------- */
.generator-machine-container {
  display: flex;
  align-items: center;
  gap: 30px;
  max-width: 750px;
  width: 100%;
}

.vending-machine {
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border: 3px solid #334155;
  border-radius: var(--radius-lg);
  width: 260px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7);
  position: relative;
}

.vending-display-glass {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  height: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.vending-shelf {
  display: flex;
  gap: 12px;
  align-items: center;
}

.vending-item-token {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.35);
  transition: transform 0.4s ease;
}

.vending-item-token.dispensing {
  transform: translateY(60px) scale(0.7);
  opacity: 0;
}

.vending-dispense-tray {
  background: #020617;
  border: 2px solid #1e293b;
  border-radius: var(--radius-sm);
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  color: var(--color-text-dim);
}

.generator-memory-snapshot {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   5. CONCURRENCY VS PARALLELISM MULTI-CORE VIEW
   -------------------------------------------------------------------------- */
.cores-rack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 780px;
}

.cpu-core-slot {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.core-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-cpu);
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.3);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  width: 90px;
  text-align: center;
}

.core-work-lane {
  flex: 1;
  height: 28px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.task-execution-block {
  height: 100%;
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  transition: width 0.3s ease;
}

/* --------------------------------------------------------------------------
   6. CAPSTONE SYSTEM BUILDER (API AGGREGATOR)
   -------------------------------------------------------------------------- */
.capstone-canvas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: 100%;
  max-width: 880px;
}

.capstone-node-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.capstone-node-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
}

.capstone-node-card.active {
  border-color: var(--color-done);
  background: rgba(16, 185, 129, 0.08);
}

.capstone-metrics-hud {
  grid-column: 1 / -1;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.hud-stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hud-stat-value {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
}

.hud-stat-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   7. LEARNING PROGRESSION MAP
   -------------------------------------------------------------------------- */
.learning-map-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 20px;
  width: 100%;
  max-width: 650px;
  max-height: 480px;
  overflow-y: auto;
}

.map-node-row {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.map-node-card {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition);
}

.map-node-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card);
}

.map-node-card.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.map-node-card.completed {
  border-color: var(--color-done);
  background: rgba(16, 185, 129, 0.08);
}

.map-node-icon {
  font-size: 1.3rem;
  margin-right: 10px;
}

.map-node-info {
  display: flex;
  flex-direction: column;
}

.map-node-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.map-node-metaphor {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.map-connector-line {
  width: 2px;
  height: 18px;
  background: var(--border-subtle);
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   8. CHALLENGE MODE CARDS
   -------------------------------------------------------------------------- */
.challenge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  width: 100%;
  max-width: 880px;
  padding: 10px;
}

.challenge-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.challenge-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
}

.challenge-card.solved {
  border-color: var(--color-done);
  background: rgba(16, 185, 129, 0.06);
}

.challenge-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.challenge-difficulty {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

.diff-easy { background: rgba(16, 185, 129, 0.15); color: var(--color-done); }
.diff-medium { background: rgba(245, 158, 11, 0.15); color: var(--color-waiting); }
.diff-hard { background: rgba(239, 68, 68, 0.15); color: var(--color-blocked); }