* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

@font-face {
  font-family: "MS Gothic";
  src: url("fonts/msgothic.woff2") format("woff2"),
    url("fonts/msgothic.woff") format("woff"),
    url("fonts/msgothic.ttf") format("truetype");
}

body {
  font-family: "MS Gothic", Verdana, Helvetica, sans-serif;
  margin: 0;
  overflow: hidden;
}
#canvas {
  display: block;
  z-index: 1;
}
#controls {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 10px;
  border-radius: 5px;
  width: 320px; /* Fixed width for consistent layout */
  min-height: 200px; /* Fixed height to prevent shrinking */
  box-sizing: border-box; /* Prevent content overflow */
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 3; /* Above canvas */
}
#controls.hidden {
  display: none; /* Toggle visibility */
}
#controls h2,
#controls h3 {
  margin: 0;
}
#controls button {
  padding: 5px 10px;
  cursor: pointer;
}
#controls .control-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
#controls .control-row label {
  flex: 1; /* Label takes available space */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 10px;
}
#controls .control-row input,
#controls .control-row select {
  width: 100px; /* Fixed width for inputs */
  box-sizing: border-box;
}
#drawCanvas {
  position: absolute;
  top: 0;
  left: 100%;
  width: 100%;
  height: 100%;
  transition: left 0.5s ease-in-out;
  display: none;
  z-index: 2; /* Above 3D canvas, below controls */
}
#drawCanvas.active {
  left: 0;
  display: block;
}
#drawControls {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  z-index: 3; /* Above drawCanvas */
}
#drawControls.active {
  display: block;
}
#drawControls button {
  padding: 10px 20px;
  font-size: 18px;
  margin: 0 5px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
#drawControls #generateGalaxyButton {
  background-color: #007bff;
  color: white;
}
#drawControls #generateGalaxyButton:hover {
  background-color: #0056b3;
}
#drawControls #clearCanvasButton {
  background-color: #dc3545;
  color: white;
}
#drawControls #clearCanvasButton:hover {
  background-color: #b02a37;
}

#canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#canvas-container {
  position: relative;
  width: 100%;
  height: 100%;
}

#controls-div p,
h1,
h2 {
  font-family: "MS Gothic", Verdana, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
}

#controls-div {
  position: absolute;
  top: 1%;
  left: 1%;
  display: flex;
  flex-direction: column;
  text-align: center;
  background: rgba(46, 45, 45, 0.69);
  color: white;
  padding: 1rem;
  border-radius: 8px;
  z-index: 1;
  gap: 20px;
  border-style: solid;
  border-width: 1px;
  border-color: rgb(48, 48, 48);
}

#controls-div h1 {
  color: #4b0082;
  background-image: linear-gradient(
    45deg,
    #4b0082 19%,
    #6a00a0 30%,
    #8e00bf 48%,
    #b200d8 61%,
    #d600f0 85%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#controls-div a {
  text-decoration: underline;
  color: rgb(0, 140, 255);
  margin-top: -15px;
  margin-bottom: 1.5vh;
}

#controls-div p {
  font-size: 20px;
}

.controls label {
  font-weight: bold;
}

.controls input[type="range"] {
  width: 100%;
}

.controls button {
  padding: 8px 12px;
  cursor: pointer;
  font-weight: bold;
  cursor: pointer;
}

.dropdown-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  gap: 20px;
  margin: 20px;
  z-index: 9999;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropbtn {
  background-color: #4caf50;
  color: white;
  padding: 10px 16px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}

.dropbtn.active .arrow {
  transform: rotate(-90deg);
}

.dropdown-content {
  position: absolute;
  background-color: white;
  min-width: 250px;
  max-height: 500px;
  overflow-y: auto;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
  z-index: 1;
  overflow-x: hidden;

  /* Animation properties */
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  border-radius: 6px;
}

.dropdown-content label {
  display: block;
  padding: 8px 14px;
  cursor: default;
  color: black;
}

.dropdown-content label:hover {
  background-color: #f1f1f1;
}

.dropdown-content input[type="number"] {
  margin-left: 8px;
  width: 100px;
  padding: 4px 6px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.dropdown-content select {
  width: 100%;
  padding: 6px;
  font-size: 14px;
  border-radius: 4px;
  border: 1px solid #ccc;
  cursor: pointer;
}

.dropdown-content select:hover {
  background-color: #f1f1f1;
}

.dropdown-content.show {
  max-height: 500px; /* plenty for animation */
  opacity: 1;
}

.xy-inputs {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.xy-inputs input[type="number"] {
  width: 70px;
  padding: 4px 6px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
}