html, body{
    font-family:'Calibri', 'Gill Sans', 'Gill Sans MT', 'Trebuchet MS', sans-serif;
    margin: 0px;
    background-color: #121212;
    color: #EAEAEA;
}
.topbar{
    min-height: 70px;
    padding: 0 10px;
    background-color: rgb(50, 50, 50);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid rgb(117, 117, 117);
}
.navlink{
  font-size: large;
  color: white;
  border: 2px solid rgb(142, 142, 142);
  border-radius: 5px;
  margin: 8px;
  padding: 10px;
  text-decoration: none;
  transition: background-color 0.25s ease;
}
.navlink.active{
    font-size: large;
    color: #4CAF50;
    border: 2px solid rgb(0, 120, 8);
    border-radius: 5px;
    margin: 8px;
    padding: 10px;
    text-decoration: none;
}
.navlink:hover{
    background-color: rgb(83, 83, 83);
}
.title{
    font-size: 40px;
    color: white;
    margin: 8px;
    text-decoration: none;
}
.section{
    background-color: #1E1E1E;
    margin: 50px;
    border-radius: 10px;
    padding: 20px;
}
section h3{
margin: 30px 0 30px;
}
.cards{
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}
.container{
    background-color: #2A2A2A;
    font-size: 20px;
    width: 400px;
    min-height: 180px;
    height: auto;
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.container:hover{
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.card-text h2 {
  margin: 0;
}
.card-text p {
  margin-top: 20px;
}
.navigation{
  min-height: 44px;
  background-color: #2E7D32;
  border: 2px solid rgb(0, 120, 8);
  border-radius: 10px;
  padding: 10px;
  color: white;
  text-decoration: none;
  transition: background-color 0.25s ease;
}
.navigation:hover {
  background-color: rgb(35, 90, 37);
}
.week-days{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: large;
}
.workout-plan{
  display: flex;
  align-items: center;
  gap: 20px;
}
#plan-btn{
  color: white;
  background-color: #2E7D32;
  border: 2px solid rgb(0, 120, 8);
  border-radius: 10px;
  padding: 8px 16px;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
#plan-btn:hover{
  background-color: rgb(35, 90, 37);
}
@media (max-width: 1200px) {
  .cards {
    flex-direction: column;
    gap: 20px;
  }
  .container {
    width: 100%;
    max-width: 400px;
  }
}
@media (max-width: 900px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .customize-section {
    flex-wrap: wrap;
    width: 100%;
  }
}
@media (max-width: 768px) {
  .title {
    font-size: 26px;
    text-align: center;
    width: 100%;
  }
  .nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }
  .navlink {
    font-size: 14px;
    padding: 8px;
    margin: 5px;
  }
  .section {
    margin: 15px;
    padding: 15px;
  }
}
@media (max-width: 600px) {
  .workout-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .workout-image {
    width: 80px;
    height: 80px;
  }

  .workout-footer {
    width: 100%;
  }
}
.header{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.text-section h1{
font-size: 40px;
}
.text-section h4{
  font-size: 18px;
}
.customize-section{
  display: flex;
  align-items: center;
  gap: 15px;
}
.customize-section .navlink{
  display: flex;
  align-items: center;
  box-sizing: border-box;
  margin: 0px;
}
#categoryFilter{
  background-color: rgb(142, 142, 142);
  color: white;
  padding: 10px;
  border-radius: 10px;
}
#searchInput{
  background-color: rgb(142, 142, 142);
  color: white;
  padding: 10px;
  border-radius: 10px;
  border: none;
}
#searchInput::placeholder{
  color: white;
}
.plan-section{
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 50px;
}
#plan-counter{
  font-size: large;
}
.workouts-plans p{
  font-size: 20px;
  text-align: center;
  margin-bottom: 5px;
}
.plan-buttons{
  display: flex;
  gap: 10px;
}
.plan-buttons button{
  font-size: 15px;
  color: white;
  background: none;
  border: 2px solid rgb(142, 142, 142);
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
.plan-buttons button:hover{
  background-color: rgb(83, 83, 83);
}
#clear-btn{
  color: white;
  background-color: #bb0b0b;
  border: 2px solid rgb(149, 16, 16);
  border-radius: 10px;
  padding: 8px 16px;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
#clear-btn:hover{
  background-color: #710808;
}
.workout-container{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.workout-card{
  background-color: #2A2A2A;
  border-radius: 16px;
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.workout-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.workout-image{
  width: 70px;
  height: 70px;
  border-radius: 50px;
  object-fit: cover;
  flex-shrink: 0;
}
.workout-content{
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.workout-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.workout-name{
  display: block;
  font-size: 20px;
  margin: 0;
  width: 100%;
}
.workout-category{
  font-size: 15px;
  color: #4CAF50;
  font-weight: bold;
}
.details-link{
  font-size: 15px;
  color: white;
  border: 2px solid rgb(142, 142, 142);
  border-radius: 5px;
  padding: 5px 10px;
  text-decoration: none;
  transition: background-color 0.25s ease;
}
.details-link:hover{
  background-color: rgb(83, 83, 83);
}
.workout-footer{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.workout-reps{
  margin: 0;
  font-size: 15px;
  font-weight: bold;
}
.add-btn{
  color: white;
  background-color: #2E7D32;
  border-color: #2E7D32;
  border: 2px solid rgb(0, 120, 8);
  border-radius: 10px;
  padding: 8px 16px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
.add-btn:hover{
  background-color: rgb(35, 90, 37);
}
#details-card{
  background-color: #2A2A2A;
  margin: 0 auto;
  width: 65%;
  max-width: 900px;
  padding: 50px 50px 20px 50px;
  border-radius: 20px;
}
#workoutName{
  text-align: center;
}
#workoutCategory{
  text-align: center;
  color: #2E7D32;
  margin-bottom: 30px;
}
#workoutVideo{
  display: block;
  margin: 0 auto 40px auto;
  width: 90%;
  border-radius: 20px;
  box-shadow: 0 5px 10px black;
}
#steps{
  background-color: #1E1E1E;
  padding: 15px 0 15px 30px;
  border-radius: 20px;
  border-left: 5px solid rgb(0, 180, 0);
  font-size: large;
}
#steps li{
  margin: 15px 0 15px 0;

  transition: background-color 0.25s ease;
}
#steps li:hover{
  color: rgb(0, 180, 0);
}
#detailsAddBtn{
  display: block;
  margin: 40px auto 0 auto;
  font-size: large;
}
.planner-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#main-planner-design{
  padding: 20px;
  display: flex;
  justify-content: center;
  gap: 20px;
}
.workouts-part{
  background-color: #2A2A2A;
  border-radius: 16px;
  gap: 16px;
  width: 50%;
  padding-bottom: 10px;
}
#main-planner-design h2{
  margin: 20px 0 0 20px;
}
#workouts-counter{
padding: 0 0 0 20px;
font-size: large;
}
#empty-plan-message{
  text-align: center;
  padding: 15px 0 15px 15px;
  margin: 15px;
  font-size: large;
  border: 2px solid rgb(142, 142, 142);
  border-radius: 16px;
}
#empty-plan-message a{
  text-decoration: none;
  color: #4CAF50;
}
#planner-workout-card{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0px 15px 0 15px;
  margin: 15px;
  border: 2px solid rgb(142, 142, 142);
  border-radius: 16px;
  cursor: grab;
}
#planner-workout-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.planner-workout-info{
  display: flex;
  flex-direction: column;
}
#planner-workout-name{
  margin: 5px 0 5px 0;
}
.workout-info{
  display: flex;
  gap: 10px;
}
.workout-info p{
  margin: 5px 0 5px 0;
}
.planner-workout-actions{
  display: flex;
  gap: 10px;
}
.planner-workout-actions button{
  border-radius: 10px;
  padding: 8px 16px;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
#remove-btn{
  color: white;
  background-color: #bb0b0b;
  border: 2px solid rgb(149, 16, 16);
}
#remove-btn:hover{
  background-color: #710808;
}
#up-btn{
  color: white;
  border: 2px solid rgb(142, 142, 142);
  background: none;
}
#up-btn:hover{
    background-color: rgb(83, 83, 83);
}
#down-btn{
  color: white;
  border: 2px solid rgb(142, 142, 142);
  background: none;
}
#down-btn:hover{
    background-color: rgb(83, 83, 83);
}
.runner-part{
  background-color: #2A2A2A;
  border-radius: 16px;
  gap: 16px;
  width: 40%;
}
.runner-header{
  display: flex;
  justify-content: space-between;
}
#start-plan-btn{
  margin: 20px 20px 0 0;
  background-color: #2E7D32;
  border: 2px solid rgb(0,120,8);
  color: white;
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
#start-plan-btn:hover{
  background-color: rgb(35, 90, 37);
}
#runner-box{
  margin: 20px;
  padding: 20px;
  border: 2px solid rgb(142,142,142);
  border-radius: 16px;
}
#runner-placeholder{
  text-align: center;
  font-size: large;
  opacity: 0.5;
}
.runner-info{
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: large;
}
#runner-workout{
  color: #4CAF50;
}
#runner-timer{
  font-size: 30px;
}
#runner-workout-category{
  border: 2px dashed rgb(142,142,142);
  padding: 10px;
  border-radius: 20px;
}
#runner-workout-name{
  font-size: 30px;
  margin: 0px;
}
.runner-actions{
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.runner-actions button{
  color: white;
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
#done-btn{
  background-color: #2E7D32;
  border: 2px solid rgb(0,120,8);
}
#done-btn:hover{
  background-color: rgb(35, 90, 37);
}
#skip-btn{
  background: none;
  border: 2px solid rgb(142,142,142);
}
#skip-btn:hover{
  background-color: rgb(83, 83, 83);
}
#cancel-btn{
  background-color: #bb0b0b;
  border: 2px solid rgb(149,16,16);
}
#cancel-btn:hover{
  background-color: #710808;
}
.runner-progress{
  display: flex;
  justify-content: space-between;
  margin: 15px 0 0 0;
  font-size: small;
}
.progress-wrapper{
  width: 100%;
  height: 10px;
  background-color: #1e1e1e;
  border-radius: 10px;
  overflow: hidden;
  margin: 15px 0 0 0;
}
#progress-bar{
  height: 100%;
  width: 0%;
  background-color: #2ecc71;
  transition: width 0.4s ease;
}
.history-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#clear-history-btn{
  color: white;
  background-color: #bb0b0b;
  border: 2px solid rgb(149, 16, 16);
  border-radius: 10px;
  padding: 8px 16px;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
#clear-history-btn:hover{
  background-color: #710808;
}
#empty-history-message{
  text-align: center;
  padding: 15px 0 15px 15px;
  margin: 15px;
  font-size: large;
  border: 2px solid rgb(142, 142, 142);
  border-radius: 16px;
}
#history-card{
  background-color: #2A2A2A;
  border-radius: 16px;
  padding: 20px;
  margin: 0 0 20px 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
#history-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
#history-card-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#workout-counter{
  margin: 0px;
}
#history-info{
  margin: 5px 0 10px 0;
}
#delete-history-btn {
  color: white;
  background-color: #bb0b0b;
  border: 2px solid rgb(149, 16, 16);
  border-radius: 10px;
  padding: 8px 16px;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
#delete-history-btn:hover {
  background-color: #710808;
}
#history-workouts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
#history-workout {
  border: 2px solid rgb(142, 142, 142);
  border-radius: 16px;
  padding: 15px;
  font-size: large;
  background: rgb(255, 255, 255, 0.1);
}