/* Blog styles — extends css/main.css */

/* ── Critical: override outercontainer's text-align:center ─────── */
.blog-wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 28px;
    box-sizing: border-box;
    text-align: left;
}

/* ── Link colors (main.css only covers div.container a) ─────────── */
.blog-wrap a:link,
.blog-wrap a:visited {
    color: var(--color-accent);
    text-decoration: none;
}
.blog-wrap a:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

/* ── Reading Progress Bar ────────────────────────────────────────── */
#reading-progress {
    position: fixed;
    top: 50px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--color-accent);
    z-index: 99;
    transition: width 0.08s linear;
}

/* ── Breadcrumb ──────────────────────────────────────────────────── */
.breadcrumb {
    padding: 22px 0 8px;
    font-size: 13px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.breadcrumb a { color: var(--color-text-muted) !important; text-decoration: none !important; }
.breadcrumb a:hover { color: var(--color-accent) !important; }
.breadcrumb .sep { color: var(--color-border); }

/* ── Blog Index Hero ─────────────────────────────────────────────── */
.index-hero {
    padding: 20px 0 28px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 32px;
}
.index-hero h1 {
    font-size: 2em;
    letter-spacing: -0.03em;
    color: #0f1117;
    margin: 0 0 10px;
    font-weight: 700;
}
.index-hero .subtitle {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 580px;
    margin: 0;
}

/* ── Blog Listing Card ───────────────────────────────────────────── */
.blog-card {
    display: block;
    border: 1.5px solid var(--color-border);
    border-radius: 14px;
    padding: 26px 28px;
    margin-bottom: 16px;
    text-decoration: none !important;
    color: inherit;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    background: #fff;
}
.blog-card:hover {
    border-color: var(--color-accent) !important;
    box-shadow: 0 8px 28px var(--color-pub-hover-shadow);
    transform: translateY(-2px);
    text-decoration: none !important;
}
.blog-card .card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 11px;
    flex-wrap: wrap;
}
.card-venue-pill {
    background: var(--color-accent);
    color: #fff !important;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 2px 9px;
    border-radius: 4px;
}
.card-date { font-size: 13px; color: var(--color-text-muted); }
.blog-card h2 {
    font-size: 1.18em;
    letter-spacing: -0.015em;
    line-height: 1.35;
    margin: 0 0 9px;
    color: #0f1117;
    font-weight: 600;
}
.card-teaser {
    font-size: 14.5px;
    color: var(--color-text-muted);
    line-height: 1.58;
    margin: 0 0 14px;
}
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.card-tag {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ── Blog Post Hero ──────────────────────────────────────────────── */
.blog-hero {
    padding: 20px 0 30px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 36px;
}
.venue-badge {
    display: inline-block;
    background: var(--color-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: 4px;
    margin-bottom: 16px;
}
.blog-hero h1 {
    font-size: 2em;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin: 0 0 14px;
    color: #0f1117;
    font-weight: 700;
}
.blog-hero .post-meta {
    font-size: 13.5px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.65;
}
.post-authors {
    display: flex;
    align-items: center;
    gap: 7px;
    flex-wrap: wrap;
    margin-bottom: 5px;
}
.author-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}
.author-name {
    font-weight: 600;
    color: #2d3748;
}
.author-sep { color: var(--color-text-muted); }
.meta-dot   { color: var(--color-text-muted); margin: 0 1px; }
.post-covers {
    font-size: 12.5px;
    color: var(--color-text-muted);
}
.blog-hero .paper-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}
.paper-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 13px;
    border: 1.5px solid var(--color-border);
    border-radius: 7px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text) !important;
    text-decoration: none !important;
    background: #fff;
    transition: border-color 0.15s, color 0.15s;
}
.paper-link-btn:hover {
    border-color: var(--color-accent) !important;
    color: var(--color-accent) !important;
    text-decoration: none !important;
}
.paper-link-btn svg { width: 14px; height: 14px; fill: currentColor; flex-shrink: 0; }

/* ── TL;DR ───────────────────────────────────────────────────────── */
.tldr {
    background: var(--color-bg-subtle);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 10px 10px 0;
    padding: 15px 20px;
    margin-bottom: 38px;
}
.tldr .tldr-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    display: block;
    margin-bottom: 7px;
}
.tldr p { margin: 0; font-size: 15px; line-height: 1.65; }

/* ── Table of Contents ───────────────────────────────────────────── */
.toc {
    background: var(--color-bg-subtle);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 38px;
}
.toc-title {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}
.toc ol { margin: 0; padding-left: 18px; }
.toc li { margin-bottom: 4px; line-height: 1.5; }
.toc a { color: var(--color-text) !important; text-decoration: none !important; }
.toc a:hover { color: var(--color-accent) !important; text-decoration: underline !important; }

/* ── Article Typography ──────────────────────────────────────────── */
article.blog-article {
    font-size: 15.5px;
    line-height: 1.75;
    color: #24292e;
}
article.blog-article h2 {
    font-size: 1.38em;
    letter-spacing: -0.02em;
    color: #0f1117;
    margin: 52px 0 14px;
    line-height: 1.3;
    font-weight: 700;
    scroll-margin-top: 68px;
}
article.blog-article h3 {
    font-size: 1.08em;
    letter-spacing: -0.01em;
    color: #1a1f25;
    margin: 32px 0 10px;
    line-height: 1.35;
    scroll-margin-top: 68px;
    font-weight: 600;
}
article.blog-article p { margin: 0 0 18px; }
article.blog-article ul,
article.blog-article ol { padding-left: 22px; margin: 0 0 18px; }
article.blog-article li { margin-bottom: 5px; }
article.blog-article strong { color: #0f1117; }

/* Inline code — override main.css pre styles */
article.blog-article code:not(pre code) {
    background: #f0f5f1;
    border: 1px solid #dde8e2;
    border-radius: 4px;
    padding: 1px 6px;
    font-size: 13px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    color: var(--color-accent);
}

/* ── Insight Box ─────────────────────────────────────────────────── */
.insight-box {
    border: 1.5px solid var(--color-accent);
    border-radius: 10px;
    padding: 16px 20px;
    margin: 28px 0;
    background: linear-gradient(135deg, #f5fdf8 0%, #fff 100%);
}
.insight-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 8px;
}
.insight-box p { margin: 0; font-size: 15px; line-height: 1.65; }

/* ── Note Box ────────────────────────────────────────────────────── */
.note-box {
    background: #fffbf5;
    border-left: 3px solid var(--color-accent-dark);
    border-radius: 0 8px 8px 0;
    padding: 13px 18px;
    margin: 22px 0;
    font-size: 14.5px;
    line-height: 1.65;
}
.note-box p { margin: 0; }

/* ── Code Blocks — override main.css pre rules ───────────────────── */
pre.code-block {
    background: #f6f8fa !important;
    border: 1px solid var(--color-border) !important;
    border-radius: 9px !important;
    padding: 16px 20px !important;
    font-size: 13px !important;
    line-height: 1.6 !important;
    overflow-x: auto;
    margin: 24px 0;
    color: #24292e !important;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace !important;
    white-space: pre;
}
pre.code-block .comment { color: #6a737d; }
pre.code-block .kw      { color: #d73a49; font-weight: 600; }
pre.code-block .fn      { color: #6f42c1; }
pre.code-block .str     { color: #032f62; }
pre.code-block .num     { color: #005cc5; }

/* ── Math (KaTeX) ────────────────────────────────────────────────── */
.math-display {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 4px 0;
    margin: 26px 0;
    text-align: center;
}
.katex-display { overflow-x: auto; overflow-y: hidden; }

/* Section divider between papers */
.section-divider {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 56px 0 40px;
}
.section-divider .divider-line {
    flex: 1;
    height: 1px;
    background: var(--color-border);
}
.section-divider .divider-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* ── Architecture Diagram ────────────────────────────────────────── */
.arch-box {
    border: 1.5px solid var(--color-border);
    border-radius: 10px;
    padding: 22px;
    margin: 24px 0;
    background: #fafbfc;
    overflow-x: auto;
    text-align: center;
}
.arch-box .arch-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 14px;
}
.arch-box .arch-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 5px 0;
}
.arch-box .arch-node {
    display: inline-block;
    border: 1.5px solid var(--color-accent);
    border-radius: 6px;
    padding: 5px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-accent);
    background: var(--color-bg-subtle);
}
.arch-box .arch-arrow {
    display: block;
    color: var(--color-text-muted);
    margin: 3px 0;
    font-size: 15px;
    text-align: center;
}

/* ── Paper Reference Card (inline) ──────────────────────────────── */
.paper-ref {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border: 1.5px solid var(--color-border);
    border-radius: 10px;
    padding: 14px 16px;
    margin: 22px 0;
    text-decoration: none !important;
    color: inherit;
    background: #fafcfb;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.paper-ref:hover {
    border-color: var(--color-accent) !important;
    box-shadow: 0 3px 12px rgba(42,96,73,0.08);
    text-decoration: none !important;
}
.paper-ref .pr-badge {
    flex-shrink: 0;
    background: var(--color-accent);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: 3px;
    margin-top: 2px;
}
.paper-ref .pr-title {
    font-size: 14px;
    font-weight: 600;
    color: #111;
    line-height: 1.35;
}
.paper-ref .pr-authors {
    font-size: 12.5px;
    color: var(--color-text-muted);
    margin-top: 3px;
    line-height: 1.4;
}

/* ── Citation Block ──────────────────────────────────────────────── */
.citation-block {
    background: #f0f3f5;
    border: 1px solid #c8d3da;
    border-left: 4px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
    margin-top: 52px;
}
.citation-block .cite-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 12px;
}
.citation-block pre {
    background: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0;
    font-size: 12.5px !important;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    color: #2d3748 !important;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace !important;
}

/* ── Reference List ─────────────────────────────────────────────── */
.ref-section {
    margin-top: 52px;
}
.ref-section-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}
.ref-entry {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    align-items: flex-start;
}
.ref-num {
    font-size: 12.5px;
    color: var(--color-text-muted);
    min-width: 26px;
    padding-top: 1px;
    flex-shrink: 0;
    font-family: "SFMono-Regular", Consolas, monospace;
}
.ref-body { flex: 1; }
.ref-text {
    font-size: 13.5px;
    line-height: 1.6;
    color: #2d3748;
}
.ref-text a { color: var(--color-accent) !important; }
.ref-text em { font-style: italic; color: var(--color-text-muted); }
.ref-bib-toggle {
    display: inline-block;
    margin-top: 6px;
    font-size: 11px;
    color: var(--color-text-muted);
    cursor: pointer;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 1px 8px;
    font-family: inherit;
    transition: color 0.15s, border-color 0.15s;
}
.ref-bib-toggle:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}
.ref-bib {
    display: none;
    margin-top: 8px !important;
    background: #f0f3f5 !important;
    border: 1px solid #c8d3da !important;
    border-left: 3px solid var(--color-accent) !important;
    border-radius: 0 6px 6px 0 !important;
    padding: 10px 14px !important;
    font-size: 12px !important;
    line-height: 1.55 !important;
    white-space: pre-wrap !important;
    word-break: break-word !important;
    color: #2d3748 !important;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace !important;
}
.ref-bib.visible { display: block !important; }

/* ── Blog Footer ─────────────────────────────────────────────────── */
.blog-footer {
    margin-top: 52px;
    padding: 22px 0 40px;
    border-top: 1px solid var(--color-border);
    font-size: 13px;
    color: var(--color-text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .blog-wrap  { padding: 0 16px; }
    .blog-hero h1  { font-size: 1.6em; }
    .index-hero h1 { font-size: 1.6em; }
    article.blog-article { font-size: 15px; }
    article.blog-article h2 { font-size: 1.2em; margin-top: 40px; }
    .blog-card { padding: 18px 18px; }
    .blog-footer { flex-direction: column; align-items: flex-start; }
}