* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Ubuntu', sans-serif;
}

body {
  background: linear-gradient(135deg, #1e1e2f, #12121a);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #f5f5f5;
}

img.icon, svg.icon {
  background-color: transparent !important;
}

img {
  max-width: 18px;
  max-height: 18px;
  padding: none;
  margin: none;
  font-weight: 900;
}


.flex {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.app {
  background: #2a2a3b;
  padding: 30px 40px;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  width: 400px;
  max-width: 90vw;
  gap: 20px;
}

.in-list{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.il-right{
  gap:40px;
}

.il-right button{
  margin-right: 5px;
}

.il-left{
  display:flex;
  align-items: center;
}

.il-button{
  background-color: transparent;
  border:none;
  cursor:pointer;
  transform: 1.1s;
}

h1 {
  font-size: 2.2rem;
  color: #f5f5f5;
  margin-bottom: 10px;
}

.input-div {
  width: 100%;
  display: flex;
  gap: 10px;
}

.input-div input {
  flex: 1;
  padding: 10px 15px;
  border-radius: 8px;
  border: 2px solid #444;
  background-color: #1c1c28;
  color: #fff;
  font-size: 1rem;
  outline: none;
  transition: 0.3s;
}

#edit-input{
  flex: 1;
  padding: 10px 15px;
  border-radius: 8px;
  border: 2px solid #444;
  background-color: #1c1c28;
  color: #fff;
  font-size: 1rem;
  outline: none;
  transition: 0.3s;
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #8b5cf6;
  cursor: pointer;
  transition: transform 0.2s ease;
  margin-right: 10px;
}

input[type="checkbox"]:hover {
  transform: scale(1.1);
}

.input-div input:focus {
  border-color: #8b5cf6;
}

.input-div button {
  padding: 10px 15px;
  border: none;
  background-color: #8b5cf6;
  color: white;
  font-size: 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.input-div button:hover {
  background-color: #7c3aed;
}

.task-container {
  width: 100%;
  margin-top: 10px;
}

.task-container h5 {
  font-weight: 400;
  margin-bottom: 5px;
  color: #bbb;
}

#task-header {
  font-size: 1rem;
  margin-bottom: 10px;
  color: #ccc;
}

ul#list {
  list-style-type: none;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 5px;
}

ul#list li {
  background-color: #3a3a50;
  margin-bottom: 8px;
  padding: 10px 15px;
  border-radius: 8px;
  display: flex;
  gap:10px;
  align-items: center;
  transition: 0.2s;
  cursor: pointer;
  color: #fff;
}

ul#list li.completed {
  text-decoration: line-through;
  color: #999;
  background-color: #334155;
}

ul#list li:hover {
  background-color: #4b4b63;
}

ul#list::-webkit-scrollbar {
  width: 6px;
}

ul#list::-webkit-scrollbar-thumb {
  background: #666;
  border-radius: 3px;
}

@media (max-width: 768px) {
  .app {
    width: 90%;
    padding: 20px;
  }

  h1 {
    font-size: 1.8rem;
  }

  .input-div input,
  .input-div button {
    font-size: 1rem;
    padding: 8px 12px;
  }
}

@media (max-width: 480px) {
  .input-div {
    flex-direction: column;
  }

  .input-div button {
    width: 100%;
  }

  .app {
    padding: 15px;
  }

  ul#list li {
    font-size: 0.95rem;
  }
}
