@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap');

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

body {
  background: linear-gradient(135deg, #153677, #4e085f);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 40px 10px;
}


#app {
  width: 100%;
  max-width: 540px;
  background: #fff;
  margin: 20px auto;
  padding: 40px 30px 50px;
  border-radius: 15px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}


#app h1 {
  color: #002765;
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 25px;
  text-align: center;
}


.input-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #edeef0;
  border-radius: 30px;
  padding-left: 20px;
  margin-bottom: 25px;
}

.input-container input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 12px;
  font-size: 15px;
}

.input-container button {
  border: none;
  outline: none;
  padding: 14px 30px;
  background: #ff5945;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  border-radius: 30px;
  transition: 0.3s;
}

.input-container button:hover {
  background: #c23b2c;
}


#todos {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#todos span {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f9f9f9;
  color: #333;
  padding: 14px 18px;
  border-radius: 12px;
  box-shadow: 0px 3px 8px rgba(0, 0, 0, 0.15);
  transition: 0.3s;
}

#todos span:hover {
  transform: translateY(-3px);
}

#todos h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
}


#todos button {
  background: #ff4757;
  border: none;
  padding: 8px 14px;
  font-size: 14px;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  transition: 0.3s;
}

#todos button:hover {
  background: #c23b2c;
}