/* styles.css */
:root {
    --primary-color: #007bff;
    --heading-color: #333;
    --body-color: #666;
    --border-color: #ddd;
    --hover-bg: #f0f0f0;
    --success-color: #28a745;
}

body {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    color: var(--body-color);
}

.container {
    padding: 1rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--heading-color);
}

#file-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    list-style: none;
    padding: 0;
}

#file-list li {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.3s;
}

#file-list li:hover {
    background: var(--hover-bg);
}

#toc details {
    margin-left: 1rem;
    border-left: 2px solid var(--border-color);
    padding-left: 0.5rem;
}

summary {
    cursor: pointer;
    display: flex;
    align-items: center;
    font-weight: bold;
}

.copy-btn {
    margin-left: auto;
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.3rem;
    cursor: pointer;
    transition: background 0.3s;
}

.copy-btn.copied {
    background: var(--success-color);
}

.markdown-body {
    font-size: 1rem;
    line-height: 1.6;
}

.markdown-body pre {
    background: #f6f8fa;
    padding: 1rem;
    border-radius: 0.3rem;
}

#search-results details {
    margin-bottom: 1rem;
}

.section-footer {
    text-align: right;
    margin-top: 1rem;
}

.retract-btn {
    display: block;
    width: 1rem;
    height: 1rem;
    float: right;
    border: none;
    cursor: pointer;
    transform: rotate(180deg);
    background-image: var(--pico-icon-chevron);
    background-size: 1rem;
    --pico-background-color: none;
    --pico-border-color: none;
    --pico-primary-hover: none;
    --pico-primary-hover-background: none;
    --pico-primary-hover-border: none;
    --pico-primary-hover-underline: none;
}

.jump-btn {
    margin-left: 1rem;
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.3rem;
    cursor: pointer;
    text-decoration: none;
}

.jump-btn:hover {
    background: #0056b3;
}

.retract-btn:hover {
    color: #0056b3;
}

@media (max-width: 768px) {
    #file-list {
        grid-template-columns: 1fr;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
}