* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: #f5f0e8;
    font-family: Arial, sans-serif;
    padding: 40px 20px;
    color: #3a3228;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 10px;
    color: #3a3228;
}

.subtitle {
    text-align: center;
    font-size: 15px;
    color: #7a6a5a;
    margin-bottom: 40px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background-color: #fffdf7;
    border: 1px solid #d9cfc0;
    border-radius: 8px;
    overflow: hidden;
}

.card-title {
    background-color: #e8dfd0;
    padding: 14px 16px;
    font-size: 16px;
    font-weight: bold;
    color: #3a3228;
}

.toggle-btn {
    display: block;
    width: calc(100% - 32px);
    margin: 14px 16px;
    padding: 10px;
    background-color: #d9cfc0;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    color: #3a3228;
    cursor: pointer;
}

.toggle-btn:hover {
    background-color: #c9bfb0;
}

.card-body {
    display: none;
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.7;
    border-top: 1px solid #d9cfc0;
    color: #4a3e32;
}

code {
    background-color: #ede5d8;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

.info {
    background-color: #ede5d8;
    border: 1px solid #d9cfc0;
    border-radius: 8px;
    padding: 16px 20px;
    font-size: 14px;
    color: #4a3e32;
    line-height: 1.8;
}