body {
  font-family: sans-serif;
  padding: 1rem;
  background: #f7f7f7;
}

h1 {
  margin-bottom: 0.5rem;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  padding: 1rem 2rem;
  border-radius: 8px;
  box-shadow: 0 0 8px #ccc;
}

label {
  display: block;
  margin: 0.5rem 0 0.25rem;
}

#color-area {
  display: flex;
  align-items: center;
  justify-content: end;
}

input[type=file] {
  display: none;
}

input[type=color] {
  padding: 0.3rem;
  font-size: 1.1rem;
  box-sizing: border-box;
}

.hsl-display,
.results {
  margin-top: 0.51rem;
  background: #eee;
  padding: 0.7rem 1rem;
  border-radius: 5px;
}

.results table {
  width: 100%;
  border-collapse: collapse;
}

.results th,
.results td {
  padding: 0.3rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid #ccc;
}

.color-swatch {
  cursor: pointer;
  display: inline-block;
  width: 24px;
  height: 24px;
  vertical-align: middle;
  border: 1px solid #999;
  margin-right: 0.3rem;
  border-radius: 4px;
}

.history {
  margin-top: 0.5rem;
  background: #f0f0f0;
  padding: 1rem;
  border-radius: 5px;
}

.history .swatch {
  width: 24px;
  height: 24px;
  border: 1px solid #aaa;
  border-radius: 4px;
  cursor: pointer;
}

.history .swatch-container {
  position: relative;
  display: inline-block;
}

.history .swatch {
  width: 24px;
  height: 24px;
  border: 1px solid #aaa;
  border-radius: 4px;
  cursor: pointer;
}

.history .delete-btn {
  position: absolute;
  top: -6px;
  right: -6px;
  background: #f33;
  color: white;
  border: none;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  font-size: 12px;
  line-height: 14px;
  text-align: center;
  cursor: pointer;
  display: none;
}

body.delete-mode .delete-btn {
  display: block;
}

#imageCanvas {
  cursor: crosshair;
}