/* -------------------------------------------------------------
   MX BUILDER 3D - MODERN DESIGN SYSTEM & GLASSMORPHISM
------------------------------------------------------------- */

:root {
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette */
  --bg-space: #070913;
  --panel-bg: rgba(10, 13, 28, 0.65);
  --panel-border: rgba(0, 240, 255, 0.15);
  --panel-border-active: rgba(0, 240, 255, 0.4);
  
  --color-primary: #00f0ff;       /* Cyan Glow */
  --color-primary-rgb: 0, 240, 255;
  --color-success: #24ff88;       /* Neon Green */
  --color-warning: #ffb800;       /* Neon Gold */
  --color-danger: #ff3366;        /* Neon Pink-Red */
  --color-accent: #9933ff;        /* Neon Purple */
  
  --text-main: #f0f3fa;
  --text-muted: #8fa0c0;
  --text-dark: #070913;
  
  --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.25);
  --shadow-neon-strong: 0 0 25px rgba(0, 240, 255, 0.5);
  --shadow-box: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-space);
  color: var(--text-main);
  font-family: var(--font-family);
  user-select: none;
}

/* 3D Canvas Viewport */
#canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* UI Overlay Wrapper - lets mouse clicks pass through to Canvas */
.ui-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  pointer-events: none;
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  grid-template-rows: 70px 1fr 80px;
  grid-template-areas:
    "header header header"
    "left-bar . right-bar"
    "footer footer footer";
  padding: 15px;
  gap: 15px;
}

/* Glassmorphic Panel Base */
.panel {
  pointer-events: auto; /* Re-enable pointer events for UI */
  background: var(--panel-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: var(--shadow-box);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  padding: 15px;
  display: flex;
  flex-direction: column;
}

.panel:hover {
  border-color: rgba(0, 240, 255, 0.25);
}

/* -------------------------------------------------------------
   HEADER PANEL (Top Bar)
------------------------------------------------------------- */
.top-header {
  grid-area: header;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 100%;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 6px;
  box-shadow: var(--shadow-neon);
  animation: logoGlow 4s infinite alternate;
}

.logo-area h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-main);
  text-transform: uppercase;
}

.logo-area h1 span {
  color: var(--color-primary);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* Statistics Area */
.stats-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  display: flex;
  gap: 6px;
}

.stat-badge .label {
  color: var(--text-muted);
}

.stat-badge .value {
  color: var(--color-primary);
  font-weight: 600;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
}

/* Action Buttons (Header Right) */
.action-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 4px;
}

/* Button Styles */
button {
  font-family: var(--font-family);
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

/* IconButton (Square, simple) */
.action-buttons button {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.action-buttons button:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.action-buttons button:active {
  transform: scale(0.95);
}

/* Secondary Button */
.btn-secondary {
  height: 38px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  font-size: 0.85rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Danger Button */
.btn-danger {
  height: 38px;
  padding: 0 14px;
  background: rgba(255, 51, 102, 0.1);
  border: 1px solid rgba(255, 51, 102, 0.2);
  color: var(--color-danger);
  font-size: 0.85rem;
}

.btn-danger:hover {
  background: rgba(255, 51, 102, 0.22);
  border-color: var(--color-danger);
  box-shadow: 0 0 10px rgba(255, 51, 102, 0.25);
}

/* SVGs inside buttons */
button .icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* -------------------------------------------------------------
   LEFT TOOLBOX PANEL (Sidebar)
------------------------------------------------------------- */
.left-toolbox {
  grid-area: left-bar;
  height: 100%;
  gap: 18px;
  overflow-y: auto;
}

/* Custom scrollbars for sidebars */
.left-toolbox::-webkit-scrollbar, .right-settings::-webkit-scrollbar {
  width: 5px;
}
.left-toolbox::-webkit-scrollbar-track, .right-settings::-webkit-scrollbar-track {
  background: transparent;
}
.left-toolbox::-webkit-scrollbar-thumb, .right-settings::-webkit-scrollbar-thumb {
  background: rgba(0, 240, 255, 0.15);
  border-radius: 4px;
}
.left-toolbox::-webkit-scrollbar-thumb:hover, .right-settings::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

.toolbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toolbox-group h3 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 5px;
}

/* Tabs for Build/Erase/Paint Tools */
.tool-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
  border-radius: 10px;
}

.tool-btn {
  flex-direction: column;
  padding: 8px 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  gap: 4px;
}

.tool-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.tool-btn.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: inset 0 0 8px rgba(0, 240, 255, 0.1);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
}

.tool-btn.active .icon {
  filter: drop-shadow(0 0 3px var(--color-primary));
}

/* Block Geometry (Shapes) Selector */
.shape-selector {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.shape-btn {
  flex-direction: column;
  aspect-ratio: 1/1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  color: var(--text-muted);
  padding: 4px;
  font-size: 0.65rem;
}

.shape-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
}

.shape-btn.active {
  background: rgba(153, 51, 255, 0.15);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Voxel CSS Shape Previews */
.shape-preview {
  width: 18px;
  height: 18px;
  margin-bottom: 2px;
  border: 1.5px solid currentColor;
}

.shape-cube {
  border-radius: 2px;
}

.shape-wedge {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 16px 16px;
  border-color: transparent transparent currentColor transparent;
  background: transparent;
}

.shape-pyramid {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 8px 16px 8px;
  border-color: transparent transparent currentColor transparent;
}

.shape-cylinder {
  border-radius: 4px/8px;
}

.shape-sphere {
  border-radius: 50%;
}

/* Palette Tabs (Blocks / Neon / Props) */
.palette-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 6px;
}

.palette-tab {
  background: transparent;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 6px 0;
}

.palette-tab:hover {
  color: var(--text-main);
}

.palette-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
}

/* Material Grids */
.material-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-height: 230px;
  overflow-y: auto;
  padding-right: 4px;
}

.material-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.material-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.material-item.active {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--color-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
}

.material-color-preview {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  margin-bottom: 6px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.material-item.active .material-color-preview {
  border-color: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}

.material-item span {
  font-size: 0.7rem;
  font-weight: 500;
  text-align: center;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.material-item.active span {
  color: var(--text-main);
  font-weight: 600;
}

/* Color Customizer Panel (Bottom of left panel) */
.color-picker-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 10px;
  margin-top: 10px;
}

.color-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.color-label input[type="color"] {
  border: none;
  background: none;
  width: 36px;
  height: 20px;
  cursor: pointer;
  outline: none;
}

.color-swatches {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 5px;
}

.swatch {
  aspect-ratio: 1/1;
  border-radius: 4px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform var(--transition-fast);
}

.swatch:hover {
  transform: scale(1.15);
}

.swatch.active {
  border-color: var(--color-primary);
  box-shadow: 0 0 6px var(--color-primary);
}

/* -------------------------------------------------------------
   RIGHT SETTINGS PANEL (Sidebar)
------------------------------------------------------------- */
.right-settings {
  grid-area: right-bar;
  height: 100%;
  gap: 20px;
  overflow-y: auto;
}

/* Time Slider styling */
.time-control {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  outline: none;
  margin: 10px 0;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: var(--shadow-neon);
  transition: transform var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: var(--shadow-neon-strong);
}

.time-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}

.time-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.btn-xs {
  font-size: 0.65rem;
  padding: 5px 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.btn-xs:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

/* Weather Switcher Tabs */
.weather-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.toggle-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  height: 34px;
  font-size: 0.75rem;
}

.toggle-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
}

.toggle-btn.active {
  background: rgba(36, 255, 136, 0.15);
  border-color: var(--color-success);
  color: var(--color-success);
}

/* Audio Panel */
.audio-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(0, 0, 0, 0.15);
  padding: 10px;
  border-radius: 10px;
}

.audio-switch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.audio-volume {
  display: flex;
  align-items: center;
  gap: 10px;
}

.audio-volume .icon {
  width: 16px;
  height: 16px;
  fill: var(--text-muted);
}

/* Toggle Switches */
.switch-input {
  appearance: none;
  width: 36px;
  height: 18px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 9px;
  position: relative;
  cursor: pointer;
  outline: none;
  transition: background 0.3s;
}

.switch-input:checked {
  background: var(--color-success);
}

.switch-input::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.3s;
}

.switch-input:checked::before {
  transform: translateX(18px);
}

/* Display Toggles list */
.settings-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.setting-row label {
  cursor: pointer;
}

.setting-row input[type="checkbox"] {
  appearance: none;
  width: 36px;
  height: 18px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 9px;
  position: relative;
  cursor: pointer;
  outline: none;
  transition: background 0.3s;
}

.setting-row input[type="checkbox"]:checked {
  background: var(--color-primary);
}

.setting-row input[type="checkbox"]::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.3s;
}

.setting-row input[type="checkbox"]:checked::before {
  transform: translateX(18px);
}

/* -------------------------------------------------------------
   FOOTER VIEW PANELS (Bottom Controls)
------------------------------------------------------------- */
.bottom-controls {
  grid-area: footer;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  pointer-events: none;
}

.view-controls {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
}

.btn-sm {
  height: 32px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 0.75rem;
}

.btn-sm:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.btn-accent {
  height: 32px;
  padding: 0 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--text-dark);
  font-weight: 700;
  font-size: 0.75rem;
  box-shadow: var(--shadow-neon);
}

.btn-accent:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-neon-strong);
}

.btn-accent:active {
  transform: translateY(0);
}

/* -------------------------------------------------------------
   HUD OVERLAY - WALKTHROUGH SIMULATOR MODE
------------------------------------------------------------- */
.hud-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 9, 19, 0.7);
  z-index: 20;
  pointer-events: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
}

.hud-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.hud-content {
  background: rgba(10, 13, 28, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-primary);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-neon-strong);
  max-width: 500px;
  animation: hudScaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hud-content h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.control-hints {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hint-item {
  font-size: 0.9rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.key {
  background: #ffffff;
  color: #070913;
  font-family: monospace;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 4px 8px;
  border-radius: 4px;
  box-shadow: 0 4px 0 #cccccc, 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* -------------------------------------------------------------
   TOAST NOTIFICATIONS
------------------------------------------------------------- */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: rgba(10, 13, 28, 0.9);
  backdrop-filter: blur(8px);
  border-left: 4px solid var(--color-primary);
  color: var(--text-main);
  padding: 12px 20px;
  border-radius: 6px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 200px;
  animation: toastSlideIn 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toast.success {
  border-left-color: var(--color-success);
}

.toast.error {
  border-left-color: var(--color-danger);
}

/* -------------------------------------------------------------
   KEYFRAME ANIMATIONS
------------------------------------------------------------- */
@keyframes logoGlow {
  0% {
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
  }
  100% {
    box-shadow: 0 0 25px rgba(153, 51, 255, 0.7);
  }
}

@keyframes hudScaleIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes toastSlideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* -------------------------------------------------------------
   RESPONSIVE LAYOUT adjustments
------------------------------------------------------------- */
@media (max-width: 1024px) {
  .ui-wrapper {
    grid-template-columns: 240px 1fr 240px;
  }
}

@media (max-width: 768px) {
  /* Collapse left/right sidebars, stack elements */
  .ui-wrapper {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    grid-template-areas:
      "header"
      "left-bar"
      "right-bar"
      "footer";
    overflow-y: auto;
    pointer-events: auto;
  }
  .panel {
    height: auto !important;
  }
}