*{
   box-sizing: border-box;
}

body {
   font-family: "Antonio", sans-serif;
   margin: 0;
   padding: 0;
   display: flex;
   flex-direction: column;
   align-items: center;
   color: #2d2d2d;
   min-height: 100vh;
   background: linear-gradient( 135deg, #cbacac 50%, #6a5af9 75%);
}

h1,
.topic_title {
   margin-bottom: 1.5rem;
   font-weight: 800;
   color: #333;
   text-align: center;
}

.topic_section {
   position: relative;
   background:  #c8c5e2;
   padding: 2rem;
   margin-top: 20px;
   border-radius: 20px;
   box-sizing: 0 8px 24px rgba(152, 114, 114, 0.5);
   width: 100%;
   max-width: 800px;
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   /* min-height: 50vh; */
   /* margin-top: auto; */
   margin-bottom: auto;
}

.topic_section::before {
   content: '';
   position: absolute;
   top: -10px;
   left: 0;
   right: 0;
   height: 10px;
   border-top-left-radius: 20px;
   box-shadow: 0 8px 16px rgba(255, 255, 255, 0.8);
   z-index: 1;
}

input[type="text"]{
   padding: 0.75em 1rem;
   font-size: 1rem;
   border-radius: 8px;
   width: 300px;
   border: none;
   max-width: 90%;
   background-color: #cfc8c8;
}

.topic_section button {
   margin-top: 1rem;
   background-color: #cbacac;
   padding: 0.75em 2rem;
   color: #161234;
}

button {
   font-family: inherit;
   font-size: 1rem;
   border: none;
   border-radius: 8px;
   padding: 0.6rem 1.2rem;
   transition: background 0.2s ease;
   color: #c8c5e2;
}

.topic_section button:hover {
   background-color: #6a5af9;
   color: #c8c5e2;
}

.input_section {
   display: flex;
   flex-wrap: wrap;
   gap: 0.5rem;
   justify-content: center;
   margin-bottom: 2rem;
}

.input_section input {
   width: 240px;
}

.input_section button:nth-of-type(1){
   background-color: #28a745;
}
.input_section button:nth-of-type(2){
   background-color: #dc3545;
}

.input_section button:hover {
   opacity: 0.5;
   color: #161234;
}

.list_container {
   display: flex;
   justify-content: center;
   gap: 2rem;
   flex-wrap: wrap;
   width: 100%;
   max-width: 800px;
}

.list {
   flex: 1;
   background: #6a5af9;
   padding: 1.5rem 1rem;
   min-width: 180px;
   border-radius: 12px;
   border: 2px solid #c8c5e2;
   box-shadow: 0 6px 18px rgba(152, 114, 114, 0.5);
}

.list h2 {
   text-align: center;
   font-size: 1.2rem;
   margin-bottom: 1rem;
   color: #0b0915;
}

ul {
   list-style: none;
   padding: 0;
   margin: 0;
}

li {
   background:#c6ced9;
   margin: 0.5rem 0;
   padding: 0.6rem 0.8rem;
   border-radius: 6px;
   display: flex;
   justify-content: space-between;
   align-items: center;
   box-shadow: 0 4px 12px rgba(255, 255, 255, 0.4);
}

.delete_btn {
   background: transparent;
   color: #dc3545;
   border: none;
   font-size: 0.85rem;
   padding: 0;
}

.delete_btn:hover {
   text-decoration: line-through;
   color: #28a745;
}

.score_board {
   margin-top: 2.5rem;
   font-size: 1.1rem;
   font-weight: 500;
   text-align: center;
   color: #0b0915;
   background-color: #cbacac;
   border-radius: 20px;
   padding: 1;
   box-shadow: 0 -6px 12px rgba(152, 114, 114, 0.5);
}

.app_content {
   display: none;
   width: 100%;
   max-width: 900px;
   padding: 2rem;
}

@media (max-width: 600px) {
   .input_section input {
      width: 100%;
   }

   .topic_section {
      padding: 1.5rem;
   }
}



.card {
   position: absolute;
   /* background: var(--bg-colour); */
   border-radius: 20px;
   color: #828dff;
   padding: 20px;
   /* margin-bottom: -100px; */
   right: 10px;
   bottom: 10px;
   box-shadow: 0 4px 8px rgba(255, 255, 255, 0.4);
}

.card img {
   width: 30px;
   height: 30px;
   border-radius: 50%;
}