/* Reset + Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;/* Prevents scrollbars from appearing */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000;
  color: white;
}

/* === MAIN UI OVERLAY === */
#overlay {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 10;
}

/* === BUTTON CONTROLS STYLING === */
.controls {
  position: fixed;
  top: 10px;
  right: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.controls button {
  background-color: rgba(32, 32, 32, 0.722);
  border: none;
  padding: 10px;
  border-radius: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.controls button i {
  width: 24px;
  height: 24px;
  stroke: white;
}

.controls button:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* === LABEL STYLING (hovered planet names) === */
div[style*="position: absolute"][style*="color: white"] {
  pointer-events: none;
  z-index: 15;
  font-size: 14px;
  font-weight: bold;
  border-radius: 4px;
}

/* === LIGHT THEME OVERRIDES === */
body.light-theme {
  background-color: #f0f0f0;
  color: #111;
}

body.light-theme .controls button {
  color: rgb(30, 30, 30);
  border-color: black;
  background-color: rgb(255, 255, 255);
}

body.light-theme .controls button:hover {
  background-color: rgba(255, 255, 255, 0.903);
}