/* === Graph Container & Controls === */

.graph-container {
  position: relative;
  width: 100%;
  height: 100vh;
  z-index: var(--z-graph);
  background: #050510; /* Deep space black for starmap */
  overflow: hidden;
}

/* Sigma manages its own canvas sizing */

/* Graph controls overlay */
.graph-controls {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-controls);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.graph-controls.visible {
  opacity: 1;
}

.graph-control-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-overlay);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
}

.graph-control-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Search bar */
.search-container {
  position: absolute;
  top: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-controls);
  width: min(500px, 90vw);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.search-container.visible {
  opacity: 1;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--bg-overlay);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: 'Lexend', sans-serif;
  font-weight: 300;
  backdrop-filter: blur(12px);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  border-color: var(--aina-ai);
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  max-height: 300px;
  overflow-y: auto;
  display: none;
}

.search-results.active {
  display: block;
}

.search-result-item {
  padding: 0.6rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: background var(--transition-fast);
}

.search-result-item:hover {
  background: var(--bg-elevated);
}

.search-result-item .category-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Category filter */
.category-filter {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-controls);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.category-filter.visible {
  opacity: 1;
}

.category-filter-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 0.8rem;
  background: var(--bg-overlay);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: 'Lexend', sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
}

.category-filter-btn:hover {
  background: var(--bg-elevated);
}

.category-filter-btn.active {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.category-filter-btn .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Legend */
.graph-legend {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--space-lg);
  z-index: var(--z-controls);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-md);
  background: var(--bg-overlay);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.graph-legend.visible {
  opacity: 1;
}

.legend-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.legend-item .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid;
  background: var(--bg-base);
}

/* Fullscreen explore mode */
.graph-container.fullscreen {
  position: fixed;
  inset: 0;
  z-index: var(--z-graph);
}