/* 3D Interactive Scene Container & HUD Overlays */

.canvas-3d-container {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: 50;
  display: none;
  background: #05070a;
}

body.mode-3d-active .canvas-3d-container {
  display: block;
}

/* 3D Floating Always-Visible Screen Labels */
.floating-3d-labels-container {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 80;
  display: none;
}

body.mode-3d-active .floating-3d-labels-container {
  display: block;
}

.floating-3d-label {
  position: absolute;
  transform: translate(-50%, -100%);
  background: rgba(10, 14, 20, 0.92);
  border: 1.5px solid var(--accent-color);
  box-shadow: 0 0 15px var(--accent-glow);
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  backdrop-filter: blur(6px);
}

.floating-3d-label i {
  color: var(--accent-color);
  font-size: 0.9rem;
}

.floating-3d-label:hover {
  transform: translate(-50%, -110%) scale(1.08);
  border-color: #ffffff;
  box-shadow: 0 0 25px var(--accent-color);
  color: var(--accent-color);
}

.floating-3d-label .tag-num {
  background: var(--accent-color);
  color: #000;
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 0.75rem;
}

/* Terminal Drawer Slide-out in 3D Mode */
body.mode-3d-active .terminal-wrapper {
  position: fixed;
  top: 15px;
  right: 15px;
  width: 620px;
  max-width: 94vw;
  height: calc(100vh - 30px);
  margin: 0;
  z-index: 150;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.95), 0 0 25px var(--accent-glow);
  transform: translateX(120%); /* Hidden by default in 3D mode */
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Enable Vertical Scroll inside 3D Drawer Viewport */
body.mode-3d-active .terminal-viewport {
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem 1.25rem;
}

/* Metro Custom Scrollbar */
.terminal-viewport::-webkit-scrollbar {
  width: 6px;
}

.terminal-viewport::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--panel-border);
}

.terminal-viewport::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 3px;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Header Adjustments for 3D Drawer Mode */
body.mode-3d-active .pda-header {
  padding: 0.5rem 0.8rem;
  flex-wrap: wrap;
  gap: 6px;
}

body.mode-3d-active .pda-brand {
  flex-wrap: wrap;
  gap: 6px;
}

body.mode-3d-active .frequency-badge {
  font-size: 0.75rem;
  padding: 2px 5px;
}

/* Slide in drawer when an object is clicked */
body.mode-3d-active.drawer-open .terminal-wrapper {
  transform: translateX(0);
}

body.mode-3d-active .operator-sidebar {
  display: none;
}

body.mode-3d-active .pda-device {
  grid-template-columns: 1fr;
}

/* Top Quick-Access Navigation Bar for 3D Mode */
.scene-3d-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 52px;
  background: rgba(10, 14, 20, 0.92);
  border-bottom: 2px solid var(--panel-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 0 15px var(--accent-subtle);
  backdrop-filter: blur(10px);
  z-index: 120;
  display: none;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.25rem;
}

body.mode-3d-active .scene-3d-topbar {
  display: flex;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-bright);
  font-size: 0.9rem;
}

.topbar-title i {
  color: var(--accent-color);
}

.topbar-quick-nav {
  display: flex;
  gap: 6px;
}

.topbar-nav-btn {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.topbar-nav-btn i {
  color: var(--accent-color);
}

.topbar-nav-btn:hover, .topbar-nav-btn.active {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: var(--accent-subtle);
  box-shadow: 0 0 10px var(--accent-glow);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 3D Control Hints Overlay */
.scene-3d-hud {
  position: fixed;
  top: 65px; /* Placed cleanly under topbar */
  left: 20px;
  z-index: 110;
  display: none;
  flex-direction: column;
  gap: 8px;
}

body.mode-3d-active .scene-3d-hud {
  display: flex;
}

.hud-pill {
  background: rgba(10, 14, 20, 0.85);
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 4px;
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-pill i {
  color: var(--accent-color);
}

.hud-pill.highlight {
  border-color: var(--accent-color);
  color: var(--text-bright);
}

/* Close Drawer Button inside Terminal Header for 3D mode */
.close-drawer-btn {
  display: none;
  background: rgba(255, 50, 50, 0.2);
  border: 1px solid var(--status-red);
  color: var(--status-red);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 2px;
  margin-left: auto;
}

body.mode-3d-active .close-drawer-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.close-drawer-btn:hover {
  background: var(--status-red);
  color: #fff;
}