* {
  box-sizing: border-box;
  user-select: none;
}

body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background: #1a1a1a;
  color: #fff;
}

#app {
  display: flex;
  height: 100vh;
  background: #1a1a1a;
}

#toolbar {
  width: 360px;
  background: #252525;
  padding: 1.5rem;
  border-right: 2px solid #333;
  overflow-y: auto;
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.4);
}

.toolbar-section {
  margin-bottom: 2rem;
  background: #2d2d2d;
  padding: 1rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid #383838;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.toolbar-section h3 {
  margin: 0 0 1.25rem 0;
  color: #64B5F6;
  font-size: 1.2rem;
  border-bottom: 2px solid #383838;
  padding-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}

/* Category buttons styling */
.character-categories,
.prop-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.character-category,
.prop-category,
.crossover-category {
  padding: 0.75rem 1rem;
  background: #333;
  border: 2px solid #444;
  border-radius: 12px;
  color: #fff;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.9rem;
  text-align: center;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.character-category:hover,
.prop-category:hover,
.crossover-category:hover {
  border-color: #64B5F6;
  background: #3d3d3d;
  transform: translateY(-2px);
}

.character-category.active,
.prop-category.active,
.crossover-category.active {
  background: #1976D2;
  border-color: #2196F3;
  box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

/* Character and prop buttons */
#character-buttons,
#prop-buttons,
#crossover-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  max-height: 450px;
  overflow-y: auto;
  padding: 0.5rem;
  padding-right: 1rem;
  mask-image: linear-gradient(to bottom, black 90%, transparent 100%);
}

.character-btn,
.prop-btn,
.crossover-btn {
  aspect-ratio: 1;
  background: #333;
  border: 2px solid #444;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.character-btn:hover,
.prop-btn:hover,
.crossover-btn:hover {
  border-color: #64B5F6;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.character-btn img,
.prop-btn img,
.crossover-btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.75rem;
  transition: transform 0.3s;
}

.character-btn:hover img,
.prop-btn:hover img,
.crossover-btn:hover img {
  transform: scale(1.1);
}

/* Tooltip styling */
.tooltip {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  font-size: 0.8rem;
  padding: 0.5rem;
  transform: translateY(100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  font-weight: 500;
}

.character-btn:hover .tooltip,
.prop-btn:hover .tooltip,
.crossover-btn:hover .tooltip {
  transform: translateY(0);
}

/* Select elements styling */
select {
  width: 100%;
  padding: 1rem;
  background: #333;
  color: white;
  border: 2px solid #444;
  border-radius: 12px;
  font-size: 1rem;
  cursor: pointer;
  outline: none;
  appearance: none;
  transition: all 0.3s;
}

select:hover {
  border-color: #64B5F6;
  background: #3d3d3d;
}

select:focus {
  border-color: #2196F3;
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.3);
}

/* Music controls */
.music-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.music-controls .bubble-btn {
  padding: 0.75rem;
  border-radius: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s;
}

#scene {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#background-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: all 0.3s;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#character-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.character {
  position: relative;
  cursor: move;
  transform-origin: center;
  width: 64px;
  height: 64px;
  transition: transform 0.15s ease-out, opacity 0.2s ease-out, box-shadow 0.2s ease-out;
  will-change: transform, opacity;
  z-index: 1;
}

.character:hover {
  z-index: 10;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.character.dragging {
  z-index: 1000;
  opacity: 0.9;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  cursor: grabbing;
}

.character.flipped img {
  transform: scaleX(-1);
}

.character img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.resize-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  background: white;
  border: 2px solid #666;
  border-radius: 50%;
  z-index: 10;
  opacity: 0;
  transition: all 0.2s ease-out;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.character:hover .resize-handle {
  opacity: 1;
}

.resize-handle:hover {
  background: #ddd;
  transform: scale(1.2);
  border-color: #2196F3;
}

.resize-handle.active {
  background: #2196F3;
  border-color: white;
  transform: scale(1.3);
  opacity: 1;
}

.resize-handle.nw {
  top: -6px;
  left: -6px;
  cursor: nw-resize;
}

.resize-handle.ne {
  top: -6px;
  right: -6px;
  cursor: ne-resize;
}

.resize-handle.sw {
  bottom: -6px;
  left: -6px;
  cursor: sw-resize;
}

.resize-handle.se {
  bottom: -6px;
  right: -6px;
  cursor: se-resize;
}

.flip-btn {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: white;
  border: 2px solid #444;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s;
  z-index: 10;
}

.character:hover .flip-btn {
  opacity: 1;
}

.flip-btn:hover {
  background: #64B5F6;
  border-color: #2196F3;
}

.character:active {
  cursor: grabbing;
  transform: scale(1.02);
}

#character-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  max-height: 450px;
  overflow-y: auto;
  padding: 0.5rem;
  padding-right: 1rem;
  mask-image: linear-gradient(to bottom, black 90%, transparent 100%);
}

#character-buttons::-webkit-scrollbar {
  width: 8px;
}

#character-buttons::-webkit-scrollbar-track {
  background: #333;
  border-radius: 4px;
}

#character-buttons::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 4px;
}

#character-buttons::-webkit-scrollbar-thumb:hover {
  background: #666;
}

.character-btn {
  aspect-ratio: 1;
  background: #333;
  border: 2px solid #444;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.character-btn:hover {
  border-color: #64B5F6;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.character-btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.75rem;
  transition: transform 0.3s;
}

.character-btn:hover img {
  transform: scale(1.1);
}

.character-btn .tooltip {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  font-size: 0.8rem;
  padding: 0.5rem;
  transform: translateY(100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  font-weight: 500;
}

.character-btn:hover .tooltip {
  transform: translateY(0);
}

.bubble-btn {
  width: 100%;
  height: 44px;
  margin: 0.5rem 0;
  background: #333;
  color: white;
  border: 2px solid #444;
  transition: all 0.2s;
  font-weight: 500;
}

.bubble-btn:hover {
  border-color: #64B5F6;
  background: #444;
}

select {
  width: 100%;
  padding: 1rem;
  background: #333;
  color: white;
  border: 2px solid #444;
  border-radius: 12px;
  font-size: 1rem;
  cursor: pointer;
  outline: none;
  appearance: none;
  transition: all 0.3s;
}

select:hover {
  border-color: #64B5F6;
  background: #3d3d3d;
}

select:focus {
  border-color: #2196F3;
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.3);
}

.speech-bubble {
  position: absolute;
  background: white;
  border-radius: 1.2rem;
  padding: 0.75rem 1.25rem;
  min-width: 120px;
  max-width: 300px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  cursor: move;
  transition: transform 0.15s ease-out, box-shadow 0.2s ease-out, z-index 0.2s ease-out;
  will-change: transform;
  border: 2px solid #e0e0e0;
  font-family: 'Comic Sans MS', cursive;
  user-select: none;
}

.speech-bubble:hover {
  z-index: 10;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.speech-bubble.dragging {
  z-index: 1000;
  opacity: 0.9;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  cursor: grabbing;
  transition: transform 0.1s ease-out;
}

.speech-bubble.flipped {
  transform: scaleX(-1);
}

.speech-bubble.flipped input,
.speech-bubble.flipped .bubble-text-container {
  transform: scaleX(-1);
}

.speech-bubble input {
  border: none;
  outline: none;
  width: 100%;
  background: transparent;
  font-size: 1rem;
  color: #333;
  caret-color: #2196F3;
  transition: color 0.2s;
}

.speech-bubble input:focus {
  color: #2196F3;
}

.speech-bubble.thought {
  border-radius: 2.5rem 2.5rem 2.5rem 0.5rem;
  background: #f5f5f5;
  border-color: #e0e0e0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.speech-bubble.thought:after {
  display: none;
}

.speech-bubble.thought:before {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 15px;
  width: 20px;
  height: 20px;
  background: #f5f5f5;
  border-radius: 50%;
  box-shadow: -2px 2px 3px rgba(0, 0, 0, 0.1);
}

.speech-bubble.thought:hover,
.speech-bubble.speech:hover {
  transform: translateY(-5px);
}

.speech-bubble.blue {
  background: #E3F2FD;
  border-color: #BBDEFB;
}

.speech-bubble.blue:after {
  border-color: #E3F2FD transparent;
}

.speech-bubble.pink {
  background: #FCE4EC;
  border-color: #F8BBD0;
}

.speech-bubble.pink:after {
  border-color: #FCE4EC transparent;
}

.speech-bubble.green {
  background: #E8F5E9;
  border-color: #C8E6C9;
}

.speech-bubble.green:after {
  border-color: #E8F5E9 transparent;
}

.bubble-text-container {
  display: flex;
  align-items: center;
}

.speech-bubble:after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 20px;
  border-width: 15px 15px 0;
  border-style: solid;
  border-color: white transparent;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.1));
}

.bubble-resize-handle {
  width: 12px;
  height: 12px;
  background: #2196F3;
  border-radius: 50%;
  position: absolute;
  bottom: -6px;
  right: -6px;
  cursor: se-resize;
  opacity: 0;
  transition: all 0.2s;
}

.speech-bubble:hover .bubble-resize-handle {
  opacity: 0.7;
}

.bubble-resize-handle:hover {
  opacity: 1;
  transform: scale(1.2);
}

.delete-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: #ff4444;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: all 0.2s;
}

.delete-btn:hover {
  background: #ff0000;
  transform: scale(1.1);
}

.music-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.music-controls .bubble-btn {
  padding: 0.75rem;
  border-radius: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s;
}

#prop-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  max-height: 450px;
  overflow-y: auto;
  padding: 0.5rem;
  padding-right: 1rem;
  mask-image: linear-gradient(to bottom, black 90%, transparent 100%);
}

#prop-buttons::-webkit-scrollbar {
  width: 8px;
}

#prop-buttons::-webkit-scrollbar-track {
  background: #333;
  border-radius: 4px;
}

#prop-buttons::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 4px;
}

#prop-buttons::-webkit-scrollbar-thumb:hover {
  background: #666;
}

.prop {
  position: absolute;
  cursor: move;
  transform-origin: center;
  transition: transform 0.15s ease-out, box-shadow 0.2s ease-out, z-index 0.2s ease-out;
  will-change: transform;
  z-index: 1;
}

.prop:hover {
  z-index: 10;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.prop img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.prop.dragging {
  z-index: 1000;
  opacity: 0.9;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  cursor: grabbing;
  transition: transform 0.1s ease-out;
}

.prop.flipped img {
  transform: scaleX(-1);
}

.prop .resize-handle,
.prop .flip-btn,
.prop .delete-btn {
  opacity: 0;
  transition: opacity 0.2s;
}

.prop:hover .resize-handle,
.prop:hover .flip-btn,
.prop:hover .delete-btn {
  opacity: 1;
}

.prop:active {
  cursor: grabbing;
  transform: scale(1.02);
}

@keyframes clouds {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 1000px 0;
  }
}

@keyframes slow-clouds {
  from {
    background-position: 0 10%;
  }
  to {
    background-position: 1000px 10%;
  }
}

@keyframes lava-glow {
  0% {
    opacity: 0.7;
    box-shadow: 0 0 10px rgba(255, 87, 34, 0.6);
  }
  100% {
    opacity: 0.9;
    box-shadow: 0 0 25px rgba(255, 87, 34, 0.9);
  }
}

@keyframes casino-lights {
  0% {
    opacity: 0.5;
    filter: hue-rotate(0deg);
  }
  50% {
    opacity: 0.9;
    filter: hue-rotate(180deg);
  }
  100% {
    opacity: 0.5;
    filter: hue-rotate(360deg);
  }
}

@keyframes oil-movement {
  0% {
    background-position: 0 0;
    transform: translateY(0px);
  }
  50% {
    background-position: -100px 0;
    transform: translateY(5px);
  }
  100% {
    background-position: -200px 0;
    transform: translateY(0px);
  }
}

.custom-bg-option {
  position: relative;
  display: flex;
  align-items: center;
}

.delete-bg-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: #ff4444;
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  opacity: 0;
  transition: all 0.2s;
}

.custom-bg-option:hover .delete-bg-btn {
  opacity: 1;
}

.delete-bg-btn:hover {
  background: #ff0000;
  transform: translateY(-50%) scale(1.1);
}

#background option[value^="custom-"] {
  font-style: italic;
  color: #64B5F6;
}

#background option:disabled {
  text-align: center;
  color: #666;
}