body {
  font-family: 'Poppins', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
   background: linear-gradient(
    225deg,
    rgba(64, 193, 232, 0.2),
    rgba(255, 165, 0, 0.2),
    rgba(173, 97, 130, 0.25),
    rgba(0, 200, 83, 0.2),
    rgba(64, 193, 232, 0.2),
    rgba(255, 165, 0, 0.2),
    rgba(64, 193, 232, 0.2)
  );
  background-size: 1000% 1000%;
  animation: gradientShift 6s ease infinite;
  
}

@keyframes gradientShift {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 0%; }
  100% { background-position: 0% 0%; }
}


.calendar-container {
  background: #e8faff;
  padding: 20px;
  border-radius: 20px;
  box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
  text-align: center;
  width: 400px;
}

h1 {
  font-size: 24px;
  margin-bottom: 10px;
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.calendar-header button {
  background: #4a6cf7;
  border: none;
  color: white;
  font-size: 18px;
  padding: 5px 12px;
  border-radius: 8px;
  cursor: pointer;
}

#monthYear {
  font-size: 20px;
  font-weight: bold;
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.day {
  padding: 15px;
  background: #f5fdff;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.3s;
}

.day:hover {
  background: #cfe7ff;
}

.selected {
  background: #4a6cf7;
  color: white;
  font-weight: bold;
}

.goal-input {
  margin-top: 20px;
}

.goal-input input {
  width: 70%;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid #ccc;
  margin-bottom: 8px;
  font-size: medium;
  font-weight: bold;

}

.goal-input button {
  background: #4a6cf7;
  border: none;
  color: white;
  padding: 8px 15px;
  border-radius: 8px;
  cursor: pointer;
}

.goal-list {
  margin-top: 20px;
  text-align: left;
}

.goal-list ul {
  list-style: none;
  padding: 0;
}

.goal-list li {
  background: #f5fdff;
  margin: 5px 0;
  padding: 8px;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.completed {
  text-decoration: line-through;
  color: gray;
}