/* BLX - Shared structural layout rules used by all themes */
/* This file defines positioning, spacing, grids, and responsive behaviour. */
/* Theme files supply the borders, backgrounds, colours, and visual flair. */

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: var(--gap, 8px);
    gap: var(--gap, 8px);
    font-size: 14px;
    line-height: 1.6;
}

img {
    max-width: 100%;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin: 0;
}

h1 {
    font-size: 18px;
    padding: 6px 12px;
}

h2 {
    font-size: 16px;
    padding: 6px 12px;
}

h3 {
    font-size: 15px;
    padding: 4px 12px;
}

/* Page regions */

header {
    padding: 6px 12px;
    font-size: 14px;
    font-weight: bold;
}

nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    font-size: 13px;
}

nav a {
    display: inline-block;
    padding: 4px 12px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

main {
    flex: 1;
    padding: var(--gap, 8px);
    overflow: auto;
}

main > h1, main > h2 {
    margin-top: 0;
    margin-bottom: var(--gap, 8px);
}

footer {
    padding: 4px 12px;
    font-size: 12px;
    text-align: right;
}

#theme-select {
    padding: 4px 12px;
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

/* Blog articles and previews */

article {
    margin-bottom: var(--gap, 8px);
    padding: 0;
}

article > *:not(h1):not(h2) {
    padding: 8px 12px;
    margin: 0;
}

article p {
    line-height: 1.6;
    margin-bottom: 1rem;
}

article em {
    font-style: italic;
}

article ul, article ol {
    margin: 8px 12px;
    padding-left: 20px;
}

article li {
    margin-bottom: 4px;
}

.blog-preview {
    margin-bottom: var(--gap, 8px);
    padding: 0;
}

.blog-preview h2 {
    padding: 6px 12px;
    font-size: 14px;
    margin: 0;
}

.blog-preview > *:not(h2) {
    padding: 8px 12px;
    margin: 0;
}

.tags {
    padding: 8px 12px;
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    margin-right: 4px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

/* Blog categories and search */

.blog-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: var(--gap, 8px);
    padding: 4px;
}

.category-tab {
    padding: 4px 12px;
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.blog-search {
    margin-bottom: var(--gap, 8px);
}

.blog-search-input {
    padding: 6px 12px;
    font-family: inherit;
    font-size: 13px;
    width: 100%;
    max-width: 400px;
}

.blog-search-input:focus {
    outline: none;
}

/* GitHub profile page */

.github-profile {
    text-align: center;
    margin-bottom: var(--gap, 8px);
    padding: 12px;
}

.github-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-bottom: 8px;
}

.github-stats {
    font-size: 13px;
}

.github-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--gap, 8px);
    align-items: start;
}

.github-contributions {
    margin-top: var(--gap, 8px);
}

.github-section {
    margin: 0;
    padding: 0;
    height: 100%;
    min-width: 0;
}

.github-section h2 {
    margin: 0;
    padding: 6px 12px;
    font-size: 14px;
}

.github-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.github-list li {
    padding: 8px 12px;
    cursor: pointer;
}

.github-meta {
    display: block;
    font-size: 12px;
    margin-top: 2px;
}

.github-list li p {
    margin: 4px 0 0;
}

.github-repo-header {
    margin: 12px 0 8px;
    padding: 0 12px;
    font-size: 16px;
}

.github-branch-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap, 8px);
    padding: 0 12px 12px;
}

.github-branch-card {
    padding: 8px;
}

.github-branch-card h4 {
    margin: 0 0 8px;
    padding: 4px 8px;
    font-size: 13px;
}

.github-branch-card h4 a {
    text-decoration: none;
}

/* Responsive design for smaller screens */

@media screen and (max-width: 800px) {
    .github-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 600px) {
    nav {
        flex-direction: column;
        align-items: stretch;
    }

    body {
        padding: 4px;
        gap: 4px;
    }
}