/* styles.css */
body {
  overflow: hidden;
  height: 100vh;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, monospace;
}

.controls {
  position: fixed;
  color: #fff;
  box-shadow: 0 2px 8px #0003;
  transition: transform .3s ease, max-height .3s ease;
  background: #171923d9;
  border-radius: 3px;
  width: 280px;
  max-height: calc(100vh - 20px);
  padding: 8px;
  top: 10px;
  left: 10px;
}

.control-group-header .chevron {
  position: relative;
  display: inline-block;
  z-index: 1;
  margin-left: 8px;
}

.controls.collapsed {
  transform: translateX(calc(-100% + 24px));
}

button {
  color: #fff;
  cursor: pointer;
  background: #50505080;
  border: 1px solid #6464644d;
  border-radius: 2px;
  margin: 2px;
  padding: 4px 8px;
  font-size: 12px;
}

button:hover {
  background: #64646499;
}

button.active {
  background: #2563eb;
  border-color: #3b82f6;
}

.control-group {
  border-top: 1px solid #ffffff1a;
  margin: 4px 0;
  padding-top: 4px;
}

.control-group:first-child {
  border: none;
  margin-top: 0;
  padding-top: 0;
}

.control-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  padding: 4px 0;
}

.control-group-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
}

.control-group-content {
  overflow: hidden;
  transition: max-height .3s ease-out;
  max-height: 1000px;
}

.control-group-content.collapsed {
  max-height: 0;
}

.slider-container {
  margin: 2px 0;
}

.slider-container label {
  color: #ffffffe6;
  margin-right: 8px;
  font-size: 12px;
}

.slider-container > div {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 20px;
}

input[type="range"] {
  accent-color: #2563eb;
  flex: 1;
  height: 4px;
}

.value-display {
  text-align: right;
  min-width: 30px;
  font-size: 11px;
}

.color-preview {
  border: 1px solid #fff3;
  border-radius: 2px;
  width: 16px;
  height: 16px;
  margin-left: 4px;
}

.drag-drop-area {
  text-align: center;
  transition: all .3s ease;
  position: relative;
  cursor: pointer;
  border: 2px dashed #ffffff4d;
  border-radius: 8px;
  margin: 8px 0;
  padding: 16px;
}

.drag-drop-area:hover {
  background: #ffffff0d;
  border-color: #ffffff80;
}

.drag-drop-area.drag-over {
  background: #2563eb1a;
  border-color: #2563eb;
}

.collapse-toggle {
  display: block;
  position: absolute;
  color: #fff;
  cursor: pointer;
  opacity: .8;
  transition: opacity .2s;
  z-index: 20;
  background: #171923d9;
  border: none;
  height: 32px;
  padding: 4px 8px;
  font-size: 16px;
}

.collapse-toggle:hover {
  opacity: 1;
}

.controls .collapse-toggle {
  position: absolute;
  z-index: 9999;
  display: block;
  color: #fff;
  cursor: pointer;
  opacity: .8;
  transition: opacity .2s, transform .2s;
  background: #171923d9;
  border: none;
  border-radius: 0 3px 3px 0;
  height: 32px;
  padding: 4px 8px;
  font-size: 16px;
  top: 10px;
  right: -24px;
}

.controls-container {
  position: fixed;
  display: flex;
  gap: 10px;
  transition: transform .3s ease;
  flex-direction: column;
  top: 10px;
  right: 10px;
}

.controls-container.collapsed {
  transform: translateX(calc(100% - 24px));
}

#stats {
  position: relative;
  background: #171923d9;
  border-radius: 3px;
  padding: 8px;
}

#stats > div {
  position: static !important;
}

#background-controls {
  color: #fff;
  background: #171923d9;
  border-radius: 3px;
  width: 200px;
  padding: 8px;
  font-size: 12px;
}

@media (max-width: 768px) {
  .controls {
    transform: translateX(calc(-100% + 24px));
  }

  .controls-container {
    transform: translateX(calc(100% - 24px));
  }

  #thing {
    transform-origin: top left;
    width: 100%;
    height: auto;
  }
}

@media (max-width: 480px) {
  .controls {
    width: 95%;
  }

  button {
    padding: 6px 10px;
    font-size: 11px;
  }

  h3 {
    font-size: 13px;
  }

  .slider-container {
    align-items: flex-start;
    flex-direction: column;
  }

  .slider-container label {
    margin-bottom: 4px;
  }
}