.flex_row, .C_picker {
  display: flex;
  flex-flow: row nowrap;
}

.flex_col, .C_picker_now, .C_picker_now_selected, .C_picker_now:hover, .C_picker_now_selected:hover, .C_main {
  display: flex;
  flex-flow: column nowrap;
}

.fill, .C_main {
  width: 100%;
  height: 100%;
}

.C_main {
  justify-content: center;
  align-items: center;
}

.C_picker {
  width: 100%;
  justify-content: space-between;
  gap: 0.5rem;
}
.C_picker_year {
  flex-grow: 2;
}
.C_picker_month {
  flex-grow: 2;
}
.C_picker_now, .C_picker_now_selected, .C_picker_now:hover, .C_picker_now_selected:hover {
  border-radius: 0.5rem;
  flex-grow: 1;
  background-color: var(--color_3);
  justify-content: center;
  align-items: center;
  cursor: pointer;
  color: var(--color_text_light);
}
.C_picker_now_selected, .C_picker_now:hover, .C_picker_now_selected:hover {
  color: var(--color_accent);
}
.C_picker_now:hover, .C_picker_now_selected:hover {
  font-weight: bold;
}

.C_day {
  display: flex;
  background-color: var(--color_3);
  aspect-ratio: 1;
  border-radius: 0.5rem;
  justify-content: center;
  align-items: center;
  position: relative;
}
.C_days {
  padding-top: 0.5rem;
  display: grid;
  grid-gap: 0.2rem;
  grid-template-columns: repeat(7, 1fr);
  height: 100%;
  width: 100%;
  box-sizing: border-box;
  flex-grow: 1;
}
@media only screen and (orientation: portrait) {
  .C_days {
    height: 90%;
  }
}
.C_day_heading {
  grid-row: 1/span 0.5;
  background-color: var(--color_3);
  color: var(--color_text_light);
  border-radius: 0.5rem;
  padding: 0.5rem;
  font-size: 1.2rem;
  font-weight: bold;
}
@media only screen and (orientation: portrait) {
  .C_day_heading {
    font-size: 1em;
  }
}
.C_day_hide {
  visibility: hidden;
}
.C_day_label {
  color: var(--color_text_light);
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
}
@media only screen and (orientation: portrait) {
  .C_day_label {
    font-size: 0.8rem;
  }
}
.C_day_tasks {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  background-color: var(--color_accent);
  color: var(--color_text_dark);
  font-weight: bold;
}
.C_day_selected {
  border: 0.1rem solid var(--color_accent);
}
.C_day:hover {
  border: 0.1rem solid var(--color_3_light);
}