style.css

@import url('https://fonts.googleapis.com/css2?family=Karla:ital,wght@0,200;0,300;0,400;0,500;1,200;1,300;1,400&display=swap');

:root {
  ---primary-clr: #b38add
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Karla', sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #e2e1dc;
}

.container {
  position: relative;
  width: 1200px;
  min-height: 850px;
  margin: 0 auto;
  padding: 5px;
  color: #fff;
  display: flex;
  border-radius: 10px;
  background-color: #373c4f;
}

.left {
  width: 60%;
  padding: 20px;
}

.calendar {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  justify-content: space-between;
  color: #878995;
  border-radius: 5px;
  background-color: #fff;
}

.calendar::before,
.calendar::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 100%;
  width: 12px;
  height: 97%;
  border-radius: 0 5px 5px 0;
  background-color: #d3d5d6d7;
  transform: translateY(-50%);
}

.calendar::before {
  height: 94%;
  left: calc(100% + 12px);
  background-color: rgb(153, 153, 153);
}

.calendar .month {
  width: 100%;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
  font-size: 1.2rem;
  font-weight: 500;
  text-transform: capitalize;
}

.calendar .month-date {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-around;
}

.calendar .month .prev,
.calendar .month .next {
  cursor: pointer;
}

.calendar .month .prev:hover,
.calendar .month .next:hover {
  color: var(---primary-clr);
}

.calendar .weekdays {
  width: 100%;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  font-size: 1rem;
  font-weight: 500;
  text-transform: capitalize;
}

.calendar .weekdays div {
  width: 14.28%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar .days {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 0 20px;
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.calendar .days .day {
  width: 14.28%;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(---primary-clr);
  border: 1px solid #f5f5f5;
}

.calendar .day:not(.prev-date, .next-date):hover {
  color: #fff;
  background-color: var(---primary-clr);
}

.calendar .days .prev-date,
.calendar .days .next-date {
  color: #b3b3b3;
}

.calendar .days .active {
  position: relative;
  font-size: 2rem;
  color: #fff;
  background-color: var(---primary-clr);
}

.calendar .days .active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-shadow: 0 0 10px 2px var(---primary-clr);
}

.calendar .days .today {
 font-size: 2rem;
}

.calendar .days .event {
  position: relative;
}

.calendar .days .event::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 50%;
  width: 75%;
  height: 6px;
  border-radius: 30px;
  transform: translateX(-50%);
  background-color: var(---primary-clr);
}

.calendar .event:hover::after {
  background-color: #fff;
}

.calendar .active.event::after  {
  background-color: #fff;
  bottom: 20%;
}

.calendar .active.event {
  padding-bottom: 10px;
}

.calendar .goto-today {
  width: 100%;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5px;
  padding: 0 20px;
  margin-bottom: 20px;
  color: var(---primary-clr);
}

.calendar .goto-today .goto {
  display: flex;
  align-items: center;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid var(---primary-clr);
}

.calendar .goto-today .goto input {
  width: 100%;
  height: 30px;
  outline: none;
  border: none;
  border-radius: 5px;
  padding: 0 20px;
  color: var(---primary-clr);
  border-radius: 5px;
}

.calendar .goto-today button{
  padding: 5px 10px;
  border: 1px solid var(---primary-clr);
  border-radius: 5px;
  background-color: transparent;
  cursor: pointer;
  color: var(---primary-clr);
}

.calendar .goto-today button:hover {
  color: #fff;
  background-color: var(---primary-clr);
}

.calendar .goto-today .goto button {
  border: none;
  border-left: 1px solid var(---primary-clr);
  border-radius: 0;
}

.container .right {
  position: relative;
  width: 40%;
  min-height: 100%;
  padding: 20px 0;
}

.right .today-date {
  width: 100%;
  height: 50px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  padding-left: 70px;
  margin-top: 50px;
  margin-bottom: 20px;
  text-transform: capitalize;
}

.today-date .event-day {
  font-size: 2rem;
  font-weight: 500;
}

.today-date .event-date {
  font-size: 1rem;
  font-weight: 400;
  color: #878895;
}

.events {
  width: 100%;
  height: 100%;
  max-height: 600px;
  overflow-x: hidden;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 4px;
}

.events .event {
  position: relative;
  width: 95%;
  min-height: 70px;
  display: flex;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0 20px;
  padding-left: 50px;
  color: #fff;
  background: linear-gradient(98deg, #3f4458, transparent);
}

.events .event:nth-child(even) {
  background: transparent;
}

.events .event:hover {
  background: linear-gradient(90deg, var(---primary-clr), transparent);
}

.events .event .title {
  display: flex;
  align-items: center;
  pointer-events: none;
}

.events .event .title .event-title {
  font-size: 1rem;
  font-weight: 400;
  margin-left: 20px;
}

.events .event .title i {
  color: var(---primary-clr);
  font-size: 0.5rem;
}

.events .event:hover .title i,
.events .event:hover .event-time {
  color: #fff;
}

.events .event .event-time {
  font-size: 0.8rem;
  font-weight: 400;
  color: #878895;
  margin-left: 15px;
  pointer-events: none;
}

.events::after {
  content: "✔";  
  position: absolute;
  top: 50%;
  right: 0;
  font-size: 3rem;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0.3;
  color: var(---primary-clr);
  transform: translateY(-50%);
}

.events .event:hover::after {
  display: flex;
}

.events .no-event {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 500;
  color: #878787;
}

.add-event-wrapper {
  display: none;
  position: absolute;
  bottom: 100px;
  left: 50%;
  width: 90%;
  overflow: hidden;
  border-radius: 5px;
  background-color: #fff;
  transform: translateX(-50%);
  transition: max-height 0.5s;
}

.add-event-wrapper.active {
  display: block;
  max-height: 300px;
}

.add-event-header {
  width: 100%;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  color: #373c4f;
  border-bottom: 1px solid #f5f5f5;
}

.add-event-header .close {
  font-size: 1.5rem;
  cursor: pointer;
}

.add-event-header .close:hover {
  color: var(---primary-clr);
}

.add-event-header .title {
  font-size: 1.2rem;
  font-weight: 500;
}

.add-event-body {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 20px;
}

.add-event-body .add-event-input {
  width: 100%;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.add-event-body .add-event-input input {
  width: 100%;
  height: 100%;
  outline: none;
  border: none;
  border-bottom: 1px solid #f5f5f5;
  padding: 0 10px;
  font-size: 1rem;
  font-weight: 400;
  color: #373c4f;
}

.add-event-body .add-event-input input::placeholder {
  color: #a5a5a5;
}

.add-event-body .add-event-input input:focus {
  border-color: var(---primary-clr);
}

.add-event-body .add-event-input input:focus::placeholder {
  color: var(---primary-clr);
}

.add-event-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.add-event-btn {
  height: 40px;
  font-size: 1rem;
  font-weight: 500;
  outline: none;
  border: none;
  color: #fff;
  background-color: var(---primary-clr);
  border-radius: 5px;
  cursor: pointer;
  padding: 5px 10px;
  border: 1px solid var(---primary-clr);
}

.add-event-btn:hover {
  color: var(---primary-clr);
  background-color: transparent;
}

.add-event {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #878895;
  border: 2px solid #878895;
  border-radius: 50%;
  background-color: transparent;
  cursor: pointer;
}

.add-event:hover {
  opacity: 1;
}

.add-event i {
  pointer-events: none;
}

/* Responsive Design */
@media (max-width : 1000px) {
  body {
    align-items: flex-start;
    justify-content: flex-start;
  }

  .container {
    min-height: 100vh;
    flex-direction: column;
    border-radius: 0;
  }

  .container .left,
  .container .right {
    width: 100%;
    height: 100%;
    padding: 20 0;
  }

  .calendar::before,
  .calendar::after {
    top: 100%;
    left: 50%;
    width: 97%;
    height: 12px;
    border-radius: 0 0 5px 5px;
    transform: translateX(-50%);
  }

  .calendar::before {
    width: 94%;
    top: calc(100% + 12px);
  }

  .events {
    padding-bottom: 340px;
  }

  .add-event-wrapper {
    bottom: 100px;
  }
}

@media (max-width : 500px) {
  .calendar .month {
    height: 75px;
  }

  .calendar .weekdays {
    height: 50px;
  }

  .calendar .days .day {
    height: 40px;
    font-size: 0.8rem;
  }

  .calendar .days .day.active,
  .calendar .days .day.today {
    font-size: 1rem;
  }

  .right .today-date {
    padding: 20px;
  }
}