body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    margin-top: 50px;
    border-radius: 8px;
}
 h1, h2, h3 {
    color: #333;
    text-align: center;
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
input[type="text"], input[type="password"], select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}
button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-right: 10px;
    margin-top: 10px;
}
button:hover {
    background-color: #45a049;
}
.btn-back {
    background-color: #f44336;
}
.btn-back:hover {
    background-color: #da190b;
}
.btn-favorite {
    background-color: #ff9800;
}
.btn-favorite:hover {
    background-color: #e68900;
}
.hidden {
    display: none;
}
.campus-list {
    list-style-type: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.campus-list li {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
}
.campus-list li:hover {
    background-color: #e9e9e9;
}
.canteen-list {
    list-style-type: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}
.canteen-list li {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    text-align: center;
}
.canteen-list li:hover {
    background-color: #e9e9e9;
}
.canteen-photo {
    width: 350px;
    height: 300px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 10px;
}
.canteen-name {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}
.canteen-description {
    font-size: 16px;
    color: #666;
    margin-top: 10px;
    text-align: center;
    font-weight: bold;
}
.window-list {
    list-style-type: none;
    padding: 0;
}
.window-list li {
    background-color: #f9f9f9;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}
.window-list li:hover {
    background-color: #e9e9e9;
}
.dish-list {
    list-style-type: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.dish {
    background-color: #fff3cd;
    padding: 10px;
    border-left: 4px solid #ffc107;
    border-radius: 4px;
    text-align: center;
}
.dish-photo {
    width: 300px;
    height: 250px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 10px;
}
.dish-name {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
}
.favorite-dishes {
    margin-top: 20px;
    padding: 15px;
    background-color: #e3f2fd;
    border-radius: 4px;
}
.favorite-dishes h3 {
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
}
.favorite-list {
    list-style-type: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.favorite-item {
    background-color: white;
    padding: 15px;
    border-radius: 4px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.favorite-item .dish-photo {
    width: 250px;
    height: 220px;
    object-fit: cover;
    border-radius: 4px;
    margin: 0 auto 15px auto;
    display: block;
}
.favorite-item p {
    margin: 5px 0;
    text-align: left;
}
.favorite-item strong {
    color: #333;
}
.nav-btn {
    margin-bottom: 20px;
    text-align: center;
}