/* 3D Rubik's Cube Simulator & Controls Styles */

.cube-container {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.cube-canvas-wrapper {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  position: relative;
  background: var(--bg-cube-viewport);
  overflow: hidden;
  cursor: grab;
  touch-action: none;
}

.cube-canvas-wrapper:active {
  cursor: grabbing;
}

.cube-canvas-wrapper canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* Canvas Overlay Badges & Controls */
.cube-overlay-top {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10;
}

.cube-status-chip {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  background-color: color-mix(in srgb, var(--bg-card) 82%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.cube-status-chip.solved {
  color: var(--accent-success);
  border-color: rgba(16, 185, 129, 0.3);
}

.cube-status-chip.scrambled {
  color: var(--timer-holding);
  border-color: rgba(245, 158, 11, 0.3);
}

.cube-status-chip.solving {
  color: var(--accent-primary);
  border-color: rgba(59, 130, 246, 0.3);
}

.cube-overlay-actions {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.overlay-btn {
  padding: 0.3rem 0.6rem;
  background-color: color-mix(in srgb, var(--bg-card) 82%, transparent);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.75rem;
  backdrop-filter: blur(4px);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.overlay-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

/* Cube Primary Actions Bar */
.cube-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cube-main-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-primary-hover);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--text-secondary);
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--accent-danger);
  color: #ffffff;
}

/* Move Buttons Grid (Outer faces + Middle slices) */
.cube-move-panel {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.move-panel-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.move-grid-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.move-section-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.move-grid-outer {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.375rem;
}

@media (max-width: 768px) {
  .cube-actions-bar {
    padding: 0.75rem 1rem;
  }

  .cube-main-buttons {
    flex-wrap: wrap;
    width: 100%;
  }

  .move-grid-outer {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .move-btn {
    min-height: 2.75rem;
    padding-inline: 0.3rem;
  }
}

.move-grid-slice {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.375rem;
}

@media (max-width: 768px) {
  .move-grid-slice {
    grid-template-columns: repeat(2, 1fr); /* Stack into 2 columns */
  }
}

.move-col {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.move-btn {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.45rem 0.25rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  text-align: center;
  transition: all var(--transition-fast);
}

.move-btn:hover:not(:disabled) {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.move-btn:active:not(:disabled) {
  transform: scale(0.95);
}

/* Solution Display Ribbon */
.solver-solution-banner {
  margin: 0 1.25rem 1rem;
  padding: 0.75rem 1rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.solver-solution-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.solver-solution-moves {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
  word-break: break-word;
  max-height: 4rem;
  overflow-y: auto;
}

/* Notation Trainer Card */
.trainer-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.trainer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.trainer-item {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.trainer-item:hover {
  border-color: var(--accent-primary);
  background-color: var(--bg-card-hover);
  transform: translateY(-2px);
}

.trainer-move-badge {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.trainer-move-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.3;
}