body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7f6;
    color: #333;
}

header {
    background-color: #fff;
    padding: 20px;
    border-bottom: 1px solid #eee;
    max-width: 1000px;
    margin: 0 auto;
    box-sizing: border-box;
}

h1 {
    color: #333;
    margin-bottom: 20px;
    text-align: left;
    font-size: 2.5em;
}

.category-selector {
    display: flex;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.category-selector label {
    background-color: transparent;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, text-decoration 0.3s ease;
    font-weight: bold;
    color: #888;
}

.category-selector label:hover {
    background-color: #f0f0f0;
    color: #007bff;
}

.category-selector input[type="radio"] {
    display: none;
}

.category-selector input[type="radio"]:checked + label {
    background-color: transparent;
    color: #000;
    font-weight: bold;
    text-decoration: underline;
}

main {
    max-height: calc(100vh - 150px);
    overflow-y: auto;
}

main .pattern-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* .pattern-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pattern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.pattern-card h3 {
    color: #333;
    margin-top: 0;
    font-size: 1.5em;
    font-weight: bold;
}

.pattern-card p {
    color: #555;
    font-size: 1em;
    line-height: 1.5;
    margin-top: 10px;
} */

.pattern-big-button {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    width: 100%;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.pattern-big-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

.pattern-big-button h3 {
    font-size: 1.8em;
    font-weight: 600;
    color: #212529;
    margin: 0 0 10px 0;
}

.pattern-big-button p {
    font-size: 1.1em;
    color: #495057;
    margin: 0;
    line-height: 1.6;
}

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s, opacity 0.3s ease;
}

.popup-overlay.visible {
    visibility: visible;
    opacity: 1;
}

.popup-content {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 800px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close-button {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
}

.code-example-selector {
    margin-top: 20px;
    margin-bottom: 10px;
}

.code-example-selector label {
    margin-right: 15px;
}

pre {
    background-color: #eee;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    white-space: pre;
    word-wrap: normal;
}

code {
    display: block;
    white-space: pre;
    word-break: normal;
}

@media (max-width: 600px) {
    main .pattern-list {
        grid-template-columns: 1fr;
    }
    .pattern-card {
        padding: 15px;
    }
}