html {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

*, *:before, *:after {
  box-sizing: inherit;
}

html, body {
  overflow: hidden;
  height: 100%;
  margin: 0;
  padding: 0;
  background: #1c1f29;
  font-family: "Source Sans Pro", Arial, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

#blob {
  position: relative;
  margin-bottom: 26px;
}
#blob canvas {
  width: 1000px;
  height: 600px;
  display: block;
  margin-top: -7%;
  background: transparent;
}
@media (max-width: 1200px) {
  #blob canvas {
    margin-top: -10%;
    width: 800px;
    height: 520px;
  }
}
@media (max-width: 600px) {
  #blob canvas {
    width: 800px;
    height: 520px;
  }
}

.controls {
  background: #3F4656;
  display: flex;
  padding: 20px;
  border-radius: 10px;
  position: relative;
  z-index: 3;
  box-shadow: 0 4px 20px -1px rgba(18, 22, 33, .7);
  gap: 20px;
}
@media (max-width: 1200px) {
  .controls { margin-top: -4%; }
}
@media (max-width: 600px) {
  .controls { flex-direction: column; gap: 12px; }
}

.controls label {
  color: #CDD9ED;
  font-weight: 500;
  font-size: 14px;
  display: block;
  margin-bottom: 16px;
}
@media (max-width: 600px) {
  .controls label { margin-bottom: 12px; }
}

.controls input[type="range"] {
  width: 160px;
}
@media (max-width: 600px) {
  .controls input[type="range"] { width: 280px; }
}

input[type="range"] {
  -webkit-appearance: none;
  height: 6px;
  background: #ddd;
  border-radius: 6px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  border: 2px solid #3F4656;
  cursor: pointer;
}