:root {
  --dark-bg: #111111;
  --dark-text: white;
  --text-temp: Arial, bolder
}

h2 {
  margin: 0;
  margin-bottom: 5px;
  font-size: 15px;
  color: rgb(70, 68, 68);
  font-weight:500;
}

body {
  background-color: var(--dark-bg);
  color: var(--dark-text);
  font-family: var(--text-temp);
  margin: 0;
}

p {
  font-size: 36px;
  margin: 0;
}

h5 {
  margin: 0;
}

button {
  background-color: var(--dark-bg);
  color: var(--dark-text);
  font-weight: 600;
  border: none;
  border-radius: 6px;
  padding: 8px 12px 8px 12px;
  cursor: pointer;
}

.semester-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px;
}
.semester-title {
  display: flex;
  justify-content: flex-start ;
  align-items: center;
  width: 100%;
}
.semesters {
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  align-items: center;
}
.settings {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: max-height 0.4s ease-in-out, opacity 0.3s ease-in-out;
}

.btn-div button {
  background-color: rgb(27, 26, 26);
  color: var(--dark-text);
  transition: background-color 0.3s;
}

.btn-div button.active {
  background-color: var(--dark-text);
  color: var(--dark-bg);
  transition: background-color 0.3s;
}
.settings.is-visible {
  max-height: 500px; 
  opacity: 1;
  pointer-events: auto;
}
.title {
  display: flex;
  justify-content: left;
  align-items: center;
  gap: 10px;
}


.intro {
  padding: 40px 0px 40px 30px;
  display: flex;
  justify-content: left;
  align-items: center;
  border-bottom: 1px solid gray;
  margin-bottom: 10px;
  font-size: larger;
  font-weight: bolder;
}

.settings-icon {
  width: 25px;
  height: 20px;
  filter: invert(1);
}

.timetable {
  display: grid;
  grid-template-columns: repeat(auto-fit, auto);
  gap: 10px;
  padding: 10px;
}

.change {
  font-size: 10px;
  color: gray;
}

.classes {
  color: var(--dark-bg);
  padding: 3px 5px 3px 5px;
  margin: 10px 0px 10px 0px;
  display: grid;
  grid-template-columns: repeat(3, auto);
}

select {
  background-color: var(--dark-bg);
  color: var(--dark-text);
  border-color: gray;
  border: solid 1px;
  border-radius: 6px;
  padding: 4px 8px 4px 8px;
  margin-bottom: 12px;
}
#generateTimetable {
  display: flex;
  justify-content: center;
  font-weight: bold;
  align-items: center;
  margin-bottom: 12px;
  height: 50px;
  width: 700px;
  background-color: white;
  color: black ;
}
.generate {
  display: flex;
  justify-content: center;
  align-items: center;
}

.output {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  margin: 0;
  text-align: left;
  margin: 12px;
  color: var(--dark-text);
  flex-grow: 1;
  width: minmax(100%, 500px);
  height: 180px;
  background-color: var(--dark-bg);
  padding: 4px;
  justify-content: center;
  align-items: center;
  vertical-align: middle;
  border-radius: 12px;
  border: solid rgb(56, 56, 56);
}

.output div {
  border-right: 1px solid gray;
  padding-right: 4px;
}
.output div img {
  width: 20px;
  height: 20px;
  filter: invert(1);
}
.output div {
  padding-right: 15px;
  padding-left: 15px;
  display: flex;
  align-items: center;
}

.insta-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 30px;
  filter: invert(1);
}
.settings-icon{
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-container {
  display: flex;
  gap: 5px;
  justify-content: center;
  align-items: center;
}


.semester {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.days-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.day-title {
  display: flex;
  justify-content: flex-start ;
  align-items: center;
  width: 100%;
}
.otp-sub {
  font-size: 22px;
  background-color: rgb(19, 19, 19);
  font-weight: bold;
  border-radius: 4px;
}
.otp-time, .otp-day, .otp-room {
  font-size: x-small;
  margin: 40px;
  color: gray;
}
.otp-time, .otp-day, .otp-room {
  background-color: rgb(25, 25, 25);
  padding: 3px 4px 3px 4px;
  border-radius: 12px;
  border: solid rgb(25, 25, 25);
}

.days {
  display: flex;
  width: 100%;
  gap: 10px;
  justify-content: flex-start;
  align-items: center;
}

.output div {
  margin: 6px;
}
@media (max-width: 600px) {
  .classes {
    grid-template-columns: repeat(1, auto);
  }
  .days {
    justify-content: flex-start;
    flex-wrap: wrap;
    align-items: center;
  }
  .semester-container{
    flex-wrap: wrap;
    width: auto;
  }
}