:root {
  --light-body: #fff;
  --light-main: #fdfdfd;
  --light-second: #c3c2c8;
  --light-hover: #edf0f5;
  --light-text: #151426;

  --blue: #0000ff;
  --white: #fff;

  --shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;

  --font-family: cursive;
  --bg-body: var(--light-body);
  --bg-main: var(--light-main);
  --bg-second: var(--light-second);
  --color-hover: var(--light-hover);
  --color-txt: var(--light-text);
}

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

html,
body {
  font-family: var(--font-family);
}

.calendar {
  height: max-content;
  width: max-content;
  background-color: var(--bg-main);
  border-radius: 30px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 25px;
  font-weight: 600;
  color: var(--color-txt);
  padding: 10px;
}

.calendar-body {
  padding: 10px;
}

.calendar-week-day {
  height: 50px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  font-weight: 600;
}

.calendar-week-day div {
  display: grid;
  place-items: center;
  color: var(--bg-second);
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  color: var(--color-txt);
}

.calendar-days div {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  position: relative;
  cursor: pointer;
  animation: to-top 1s forwards;
  /* border-radius: 50%; */
}

.calendar-days div span {
  position: absolute;
}

.calendar-days div:hover span {
  transition: width 0.2s ease-in-out, height 0.2s ease-in-out;
}

.calendar-days div span:nth-child(1),
.calendar-days div span:nth-child(3) {
  width: 2px;
  height: 0;
  background-color: var(--color-txt);
}

.calendar-days div:hover span:nth-child(1),
.calendar-days div:hover span:nth-child(3) {
  height: 100%;
}

.calendar-days div span:nth-child(1) {
  bottom: 0;
  left: 0;
}

.calendar-days div span:nth-child(3) {
  top: 0;
  right: 0;
}

.calendar-days div span:nth-child(2),
.calendar-days div span:nth-child(4) {
  width: 0;
  height: 2px;
  background-color: var(--color-txt);
}

.calendar-days div:hover span:nth-child(2),
.calendar-days div:hover span:nth-child(4) {
  width: 100%;
}

.calendar-days div span:nth-child(2) {
  top: 0;
  left: 0;
}

.calendar-days div span:nth-child(4) {
  bottom: 0;
  right: 0;
}

.calendar-days div:hover span:nth-child(2) {
  transition-delay: 0.2s;
}

.calendar-days div:hover span:nth-child(3) {
  transition-delay: 0.4s;
}

.calendar-days div:hover span:nth-child(4) {
  transition-delay: 0.6s;
}

.calendar-days div.curr-date,
.calendar-days div.curr-date:hover {
  background-color: var(--blue);
  color: var(--white);
  border-radius: 50%;
}

.calendar-days div.curr-date span {
  display: none;
}

.month-picker {
  padding: 5px 10px;
  border-radius: 10px;
  cursor: pointer;
}

.month-picker:hover {
  background-color: var(--color-hover);
}

.year-picker {
  display: flex;
  align-items: center;
}

.year-change,
.month-change {
  height: 40px;
  width: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 10px;
  cursor: pointer;
}

.year-change:hover,
.month-change:hover {
  background-color: var(--color-hover);
}

.calendar-footer {
  padding: 10px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.toggle {
  display: flex;
}

.toggle span {
  margin-right: 10px;
  color: var(--color-txt);
}

.dark-mode-switch {
  position: relative;
  width: 48px;
  height: 25px;
  border-radius: 14px;
  background-color: var(--bg-second);
  cursor: pointer;
}

.month-list {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background-color: var(--bg-main);
  padding: 20px;
  grid-template-columns: repeat(3, auto);
  gap: 5px;
  display: grid;
  transform: scale(1.5);
  visibility: hidden;
  pointer-events: none;
}

.month-list.show {
  transform: scale(1);
  visibility: visible;
  pointer-events: visible;
  transition: all 0.2s ease-in-out;
}

.month-list > div {
  display: grid;
  place-items: center;
}

.month-list > div > div {
  width: 100%;
  padding: 5px 20px;
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
  color: var(--color-txt);
}

.month-list > div > div:hover {
  background-color: var(--color-hover);
}

@keyframes to-top {
  0% {
    transform: translateY(100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}