* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #f6fafd 0%, #e9f1fb 100%);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 20px;
  color: #232a34;
}

.container-main {
  background: #fff;
  width: 100%;
  max-width: 600px;
  padding: 32px 28px;
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08), 0 1.5px 0 #0ff2ff22 inset;
  border: 1.5px solid #e3e8ee;
}

h1 {
  text-align: center;
  margin-bottom: 24px;
  color: #1e90ff;
  font-size: 2rem;
  letter-spacing: 1px;
  font-weight: 600;
  text-shadow: 0 2px 8px #0ff2ff22;
}

.container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
  justify-content: center;
}

input[type="text"],
select {
  flex: 1;
  min-width: 150px;
  padding: 13px 14px;
  border: 1.5px solid #c7d6e6;
  border-radius: 10px;
  background: #f6fafd;
  color: #232a34;
  outline: none;
  transition: border 0.3s, box-shadow 0.3s;
  font-size: 1rem;
  box-shadow: 0 1px 4px #0ff2ff11 inset;
}

input:focus,
select:focus {
  border-color: #1e90ff;
  box-shadow: 0 0 8px #1e90ff33;
}

button {
  padding: 13px 22px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(90deg, #0ff2ff 0%, #1e90ff 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 8px #0ff2ff22;
  letter-spacing: 0.5px;
}

button:hover {
  background: linear-gradient(90deg, #1e90ff 0%, #0ff2ff 100%);
  color: #fff;
  box-shadow: 0 4px 16px #0ff2ff33;
}


.categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
  justify-content: center;
}

.category-btn {
  padding: 8px 18px;
  border-radius: 22px;
  border: none;
  background: linear-gradient(90deg, #e9f1fb 60%, #0ff2ff 100%);
  color: #1e90ff;
  font-size: 1rem;
  font-weight: 500;
  cursor: default;
  box-shadow: 0 1px 6px #0ff2ff11;
}


.category {
  margin-bottom: 22px;
}

.category h3 {
  margin-bottom: 10px;
  color: #1e90ff;
  font-size: 1.15rem;
  border-bottom: 1.5px solid #c7d6e6;
  padding-bottom: 5px;
  letter-spacing: 0.5px;
}

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

ul li {
  background: #f6fafd;
  padding: 12px;
  margin-bottom: 10px;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1.2px solid #e3e8ee;
  box-shadow: 0 1px 6px #0ff2ff11;
}

.remove-item {
  background: linear-gradient(90deg, #ff6a5b 0%, #ffb86c 100%);
  color: #fff;
  border: none;
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.3s, box-shadow 0.3s;
  box-shadow: 0 1px 6px #ffb86c22;
}

.remove-item:hover {
  background: linear-gradient(90deg, #ffb86c 0%, #ff6a5b 100%);
  box-shadow: 0 2px 12px #ffb86c44;
}


@media (max-width: 500px) {
  .container-main {
    padding: 12px;
  }

  h1 {
    font-size: 1.3rem;
  }

  input[type="text"],
  select,
  button {
    flex: 100%;
    min-width: unset;
  }
}