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

body{
  background: linear-gradient(to right, #1E3C72, #2A5298 );
  min-height: 100vh;
  font-family: "Poppins", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: #000;
}

.container{
  width: 100%;
  max-width: 1000px;
  background-color: white;
  padding: 2rem;
  border-radius: 15px ;
  box-shadow: 0 10px 20px #0000003f;
}

h1{
  text-align: center;
  color: #1E3C72;
  margin-bottom: 5px;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 2px;
}

h2{
  color: #1E3C72;
  margin-bottom: 0.2rem;
  font-size: 1.25rem;
  font-weight: 500;
}

.balance-container{
  text-align: center;
  margin-bottom: 15px;
  padding: 20px;
  background: linear-gradient(to right, #1E3C72, #2A5298 );
  border-radius: 1rem ;
  box-shadow: 0 10px 20px #00000013;
}

.balance-container h1{
  font-size: 2.2rem;
  margin: 15px 0;
  margin-bottom: 20px;
  color: white;
}

.balance-container h2{
  color: white;
}

.summary{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px ;
}

.main-content{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.income,.expenses{
  background-color: white;
  padding: 15px;
  border-radius: 1rem;
  box-shadow: 0 10px 20px #00000013;
  transition: transform 0.2s ease;
}

.income:hover,
.expenses:hover{
  transform: translateY(-2px);
}

.income h2{
  color: #1E3C72;
  font-size: 1.1rem;
  font-weight: 500;
}

.expenses h2{
  color: #c21f02;
  font-size: 1.1rem;
  font-weight: 500;
}

.income p,
.expenses p{
  margin-top: 3px;
  font-size: 1.75rem;
  font-weight: 600;
}

.income p{
  color: #1E3C72;
}

.expenses p{
  color: #c21f02;
}

.transaction-container{
  height: 100%;
  display: flex;
  flex-direction: column;
}

#transaction-list{
  list-style: none;
  max-height: 500%;
  overflow-y: auto;
  padding: 10px;
  flex-grow: 1;

}

@media (min-width:768px) {
  #transaction-list{
    height: 300px;
    overflow-y: auto;
  }
}

#transaction-list::-webkit-scrollbar{
  width: 8px;
}

#transaction-list::-webkit-scrollbar-track{
  background-color: #f1f1ff;
  border-radius: 4px;
}

#transaction-list::-webkit-scrollbar-thumb{
  background-color: #868686;
  border-radius: 4px;
}

#transaction-list::-webkit-scrollbar-thumb:hover{
  background-color: #1E3C72;
}

.transaction{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.2rem;
  margin-bottom: 12px;
  border-radius: 12px;
  background-color: #ffffff;
  box-shadow: 0 5px 10px #47474752;
  transition: all 0.2s ease;
  border-right: 5px solid;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from{
    opacity: 0;
    transform: translateX(-20px);
  }
  to{
    opacity: 1;
    transform: translateX(0px);
  }

}

.transaction:hover{
  transform: translateX(5);
  box-shadow: 0 5px 10px #0000006e;
}

.transaction.income{
  border-right-color: green ;
}

.transaction.expenses{
  border-right-color: red ;
}

.transaction .delete-btn{
  background: none;
  border: none;
  color: red;
  cursor: pointer;
  font-size: 1.4rem;
  opacity: 0;
  transition: all 0.2s ease;
  padding: 4px 8px;
  border-radius: 4px;
  margin-left: 12px;
  animation: slideIn 0.3s ease;
}

.transaction:hover .delete-btn{
  opacity: 1;
}

.transaction .delete-btn:hover {
  background-color: #ffcfc6;
  transform: scale(1.1);
}

.form-container{
  background: linear-gradient(to right, #1e3b723a, #2a52983a );
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 5px 10px #0000001a;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.form-container form{
  height: 100%;
  display: flex;
  flex-direction: column;
}

.form-group{
  margin-bottom: 20px;
}

label{
  display: block;
  margin-bottom: 8px;
  color: #1d1d1d;
  font-weight: 500;
}

input{
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e6e6e6;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.2s ease;
  background-color: white ;
}

input:focus{
  outline: none;
  border-color: #003c74;
  box-shadow: 0 5px 10px #0000001a;
}

input:hover{
  border-color: #000d1a;
}

small{
  color: #1d1d1d;
  font-size: 0.875rem;
  margin-top: 4px;
  display: block;
  margin-left: 5px;
}

button[type="submit"]{
  width: 100%;
  padding: 14px;
  background: linear-gradient(to right, #1e3b72, #2a5298 );
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: 0 5px 10px #0000001a;
  margin-top: auto;
}

button[type="submit"]:hover{
  transform:translateY(-2px);
  box-shadow: 0 5px 10px #000f421a;
}

button[type="submit"]:active{
  transform:translateY(0);
}

/* -- Responsiveness -- */

@media (max-width:768px) {
  .main-content{
    grid-template-columns: 1fr;
  }
  #transaction-list{
    max-height: 300px;
  }
}

@media (max-width:480px) {
.container{
  padding: 24px;
}
.summary{
  grid-template-columns: 1fr;
  gap: 16px;
}
.balance-container h1{
  font-size: 2.5rem;
}

.income p,
.expenses p{
  font-size: 1.5rem;
}
.transaction{
  padding: 14px 16px;
}
h1{
  font-size: 1.8rem;
}
}