body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    background-color: #fff;
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 800px;
    text-align: center;
}

h1 {
    color: #2c3e50;
    margin-bottom: 10px;
}

p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 30px;
}

.choices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
    text-align: left;
}

.choice-item {
    display: flex;
    align-items: center;
    background-color: #f9f9f9;
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid #eee;
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s;
}

.choice-item:hover {
    background-color: #f0f0f0;
}

.choice-item input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.choice-item label {
    flex-grow: 1;
    cursor: pointer;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

#result {
    margin-top: 40px;
    padding: 30px;
    background-color: #eafaf1;
    border: 1px solid #c8e6c9;
    border-radius: 12px;
    text-align: left;
}

#result h2 {
    color: #1e8449;
    text-align: center;
    margin-bottom: 20px;
}

#suggestions {
    list-style-type: none;
    padding: 0;
    margin-bottom: 25px;
}

#suggestions li {
    background-color: #fff;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    border-left: 5px solid #2ecc71;
    font-size: 1.1em;
}

#message {
    text-align: center;
    font-weight: bold;
    color: #34495e;
    font-size: 1.2em;
    line-height: 1.7;
}

.hidden {
    display: none;
}