.months {
  grid-area: months;
}

.days {
  grid-area: days;
}

.squares {
  grid-area: squares;
}

.graph-container {
  display: flex;
  justify-content: center;
}

.graph-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  max-width: 100%;
  margin: 20px;
}

.graph-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.clear-btn {
  padding: 6px 12px;
  color: #fafbfc;
  background-color: #0d1117;
  border: 1px solid #30363d;
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.clear-btn:hover,
.clear-btn:focus-visible {
  outline: none;
  color: #f85149;
  border-color: #f85149;
}

.year-picker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.graph {
  display: inline-grid;
  grid-template-areas:
    "empty months"
    "days squares";
  grid-template-columns: auto 1fr;
  grid-gap: 10px;
  flex-wrap: wrap;
  flex-direction: column;
  overflow-x: auto;
  padding: 20px;
  border: 1px #30363d solid;
  border-radius: 6px;
}

.months {
  display: flex;
  justify-content: space-around;
  margin: 0;
}

.days,
.squares {
  display: grid;
  grid-gap: var(--square-gap);
  grid-template-rows: repeat(7, var(--square-size));
}

.squares {
  grid-auto-flow: column;
  grid-auto-columns: var(--square-size);
}

.graph-container li {
  list-style-type: none;
}

.days li:nth-child(odd) {
  visibility: hidden;
}

.squares li {
  background-color: #161b22;
  border-radius: 2px;
}

.squares li[data-level="1"] {
  background-color: #0e4429;
}

.squares li[data-level="2"] {
  background-color: #006d32;
}

.squares li[data-level="3"] {
  background-color: #26a641;
}

.squares li[data-level="4"] {
  background-color: #39d353;
}

.previous-year {
  opacity: 0;
}

#year-select {
  padding: 6px 10px;
  color: #fafbfc;
  background-color: #0d1117;
  border: 1px solid #30363d;
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

#year-select:focus {
  outline: none;
  border-color: #39d353;
}