/* ==========================================================================
   Blog CSS — spencerfrei.github.io
   Extends the base site aesthetic: Georgia, warm beige, 700px container.
   ========================================================================== */

/* ---------- Reset & Base ---------- */

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    /* Must match main.css exactly: a different fallback chain resolves to a
       different face (e.g. Tinos vs DejaVu Serif) where Georgia is absent. */
    font-family: "Georgia", Georgia, serif;
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.7;
    color: #212121;
    background-color: rgb(242, 223, 206);
}

strong, b {
    font-weight: 700;
}

/* ---------- Container ---------- */

.container {
    max-width: 740px;
    margin: 0 auto;
    padding: 2rem 1.25rem;
}

/* ---------- Navigation ---------- */

.site-nav {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.site-nav a {
    color: #0D7680;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.15s ease;
}

.site-nav a:hover,
.site-nav a.active {
    color: #095258;
    text-decoration: underline;
}

.nav-sep {
    color: rgba(0, 0, 0, 0.3);
    margin: 0 0.5rem;
}

/* ---------- Headings ---------- */

h1, h2, h3, h4 {
    font-weight: 400;
    line-height: 1.3;
    color: #212121;
}

h1 { font-size: 1.8rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.4rem; margin: 1.8rem 0 0.6rem; }
h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
h4 { font-size: 1rem; margin: 1.2rem 0 0.4rem; font-style: italic; }

/* ---------- Post Header ---------- */

.post-header {
    margin-bottom: 2rem;
}

.post-title {
    margin-bottom: 0.3rem;
}

.post-meta {
    font-size: 0.9rem;
    color: #666;
}

.post-meta .post-date::after {
    content: " · ";
}

.post-meta .post-author:empty {
    display: none;
}

.post-meta .post-date:empty + .post-author::before {
    content: none;
}

/* ---------- Post Content ---------- */

.post-content p {
    margin: 0 0 1.2rem;
}

.post-content a {
    color: #0D7680;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.post-content a:hover {
    color: #095258;
}

/* ---------- Figures & Images ---------- */

.post-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem auto;
    border-radius: 3px;
}

.post-content figure {
    margin: 1.8rem 0;
    padding: 0;
}

.post-content figure img {
    margin: 0 auto;
}

.post-content figcaption,
.post-content .caption {
    text-align: center;
    font-size: 0.85rem;
    font-style: italic;
    color: #666;
    margin-top: 0.5rem;
    line-height: 1.5;
}

/* Breakout wide display on desktop/laptop */
@media (min-width: 860px) {
    .post-content img,
    .post-content .figure-toggle {
        width: 960px;
        max-width: 92vw;
        position: relative;
        left: 50%;
        transform: translateX(-50%);
    }
}

/* ---------- Code ---------- */

.post-content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.88em;
    background-color: rgb(255, 241, 224);
    padding: 0.15em 0.35em;
    border-radius: 3px;
}

.post-content pre {
    background-color: rgb(255, 241, 224);
    padding: 1rem 1.25rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1.5rem 0;
    line-height: 1.5;
}

.post-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85em;
}

/* codehilite (Pygments) wrapper */
.codehilite {
    background-color: rgb(255, 241, 224);
    padding: 1rem 1.25rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.codehilite pre {
    margin: 0;
    padding: 0;
    background: none;
}

/* ---------- Blockquotes ---------- */

.post-content blockquote {
    margin: 1.5rem 0;
    padding: 0.75rem 1.25rem;
    border-left: 3px solid #0D7680;
    background-color: rgb(255, 241, 224);
    color: #444;
    font-style: italic;
}

.post-content blockquote p {
    margin: 0 0 0.5rem;
}

.post-content blockquote p:last-child {
    margin-bottom: 0;
}

/* ---------- Tables ---------- */

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.92rem;
}

.post-content th,
.post-content td {
    padding: 0.5rem 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.12);
    text-align: left;
}

.post-content th {
    background-color: rgb(255, 241, 224);
    font-weight: 600;
}

.post-content tr:nth-child(even) {
    background-color: rgba(255, 241, 224, 0.4);
}

/* ---------- Lists ---------- */

.post-content ul,
.post-content ol {
    margin: 0 0 1.2rem;
    padding-left: 1.5rem;
}

.post-content li {
    margin-bottom: 0.3rem;
}

/* ---------- Math (MathJax) ---------- */

.MathJax {
    overflow-x: auto;
    overflow-y: hidden;
}

mjx-container[jax="CHTML"][display="true"] {
    margin: 1.5rem 0 !important;
}

/* ---------- Horizontal Rules ---------- */

.post-content hr {
    border: none;
    border-top: 1px solid rgba(0, 0, 0, 0.12);
    margin: 2rem 0;
}

/* ---------- Post Footer Nav ---------- */

.post-nav {
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.95rem;
}

.post-nav a {
    color: #0D7680;
    text-decoration: none;
}

.post-nav a:hover {
    color: #095258;
    text-decoration: underline;
}

/* ---------- Blog Index ---------- */

.blog-header {
    margin-bottom: 2rem;
}

.blog-header h1 {
    margin-bottom: 0.25rem;
}

.post-list {
    margin-bottom: 2rem;
}

.post-preview {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.post-preview:last-child {
    border-bottom: none;
}

.post-preview h2 {
    margin: 0 0 0.2rem;
    font-size: 1.3rem;
}

.post-preview h2 a {
    color: #0D7680;
    text-decoration: none;
}

.post-preview h2 a:hover {
    text-decoration: underline;
}

.post-preview .post-date {
    display: block;
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 0.4rem;
}

.post-preview .post-description {
    margin: 0;
    color: #444;
    font-size: 0.95rem;
}

/* ---------- Footer ---------- */

.site-footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    text-align: center;
    font-size: 0.85rem;
    color: #888;
}

/* ---------- Responsive ---------- */

@media (max-width: 740px) {
    .container {
        padding: 1.5rem 1rem;
    }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }

    .post-content pre,
    .codehilite {
        padding: 0.75rem 1rem;
        font-size: 0.82em;
    }
}

/* ---------- Print ---------- */

@media print {
    body {
        background: white;
        color: black;
        font-size: 12pt;
    }

    .site-nav,
    .site-footer {
        display: none;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .post-content a {
        color: black;
        text-decoration: underline;
    }

    .post-content a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #555;
    }

    .post-content pre,
    .codehilite,
    .post-content code {
        background: #f5f5f5;
    }

    .post-content img {
        max-width: 100%;
    }
}