* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f1f2f3;
}

.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1560px;
  min-width: 1240px;
  margin: 20px auto;
  color: #333;
}

.container * {
  box-sizing: border-box;
}

header {
  margin-bottom: 20px;
  text-align: center;
}

header h1 {
  font-size: 2.2rem;
  margin-bottom: 5px;
}

header p {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.9;
}

.search-container {
  background-color: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 25px;
}

.search-box {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.search-input {
  flex: 1;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.search-input:focus {
  outline: none;
  border-color: #3498db;
}

.search-btn {
  padding: 12px 64px;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s;
}

.search-btn:hover {
  background-color: #2980b9;
}

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category-btn {
  padding: 8px 15px;
  background-color: #ecf0f1;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s;
}

.category-btn:hover {
  background-color: #bdc3c7;
}

.category-btn.active {
  background-color: #3498db;
  color: white;
}

.results-container {
  background-color: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 25px;
}

.results-title {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: #2c3e50;
  display: flex;
  align-items: center;
  gap: 10px;
}

.results-list {
  list-style: none;
}

.result-item {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid #eee;
  transition: background-color 0.3s;
}

.result-item:last-child{
   border-bottom: none;
   padding-bottom: 0;
}


.result-item:hover {
  background-color: #f9f9f9;
}

.food-name {
  font-weight: bold;
}

.calories {
  color: #e74c3c;
  font-weight: bold;
}

.no-results {
  text-align: center;
  padding: 30px;
  color: #7f8c8d;
}

.notice {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 12px 25px;
  border-radius: 5px;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 1000;
}

.notice.show {
  opacity: 1;
}

footer {
  text-align: center;
  color: #7f8c8d;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 25px;
}

.feature-card {
  background-color: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.feature-icon {
  font-size: 2.1rem;
  margin-bottom: 15px;
}

.feature-title {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: #2c3e50;
}

.feature-desc {
  color: #7f8c8d;
}