/* ===================================
   Blog styles — extends styles.css
   Uses tokens defined on :root in ../styles.css
   =================================== */

/* ---- Blog hero / page header ---- */
.blog-hero {
    padding: 64px 0 32px;
    border-bottom: 1px solid var(--line);
}
.blog-hero .eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--acid-on-bg);
    text-transform: uppercase;
    margin-bottom: 18px;
}
.blog-hero h1 {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 16px;
}
.blog-hero h1 em {
    font-style: italic;
    color: var(--acid-on-bg);
}
.blog-hero .lede {
    font-size: 18px;
    line-height: 1.6;
    color: var(--ink-2);
    max-width: 680px;
}

/* ---- Listing ---- */
.blog-list {
    padding: 56px 0 96px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.blog-empty {
    padding: 64px 0;
    text-align: center;
    color: var(--ink-dim);
    font-family: var(--font-mono);
    font-size: 14px;
    border: 1px dashed var(--line-2);
    border-radius: var(--radius-md);
}

.blog-card {
    display: grid;
    grid-template-columns: 110px 1fr auto;
    gap: 32px;
    align-items: baseline;
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
    transition: var(--transition-fast);
    text-decoration: none;
    color: inherit;
}
.blog-card:hover {
    background: linear-gradient(90deg, rgba(200, 255, 61, 0.04), transparent 60%);
    padding-left: 12px;
    padding-right: 12px;
}
.blog-card .card-date {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
    text-transform: uppercase;
}
.blog-card .card-body h2 {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 24px;
    line-height: 1.25;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin-bottom: 8px;
}
.blog-card:hover .card-body h2 { color: var(--acid-on-bg); }
.blog-card .card-excerpt {
    font-size: 15px;
    line-height: 1.55;
    color: var(--ink-2);
    margin-bottom: 12px;
}
.blog-card .card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.blog-card .card-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--ink-dim);
    text-transform: uppercase;
    padding: 3px 8px;
    border: 1px solid var(--line-2);
    border-radius: 4px;
}
.blog-card .card-arrow {
    font-family: var(--font-mono);
    color: var(--ink-faint);
    font-size: 18px;
    transition: var(--transition-fast);
}
.blog-card:hover .card-arrow {
    color: var(--acid-on-bg);
    transform: translateX(4px);
}

/* ---- Single post ---- */
.post-wrap {
    padding: 56px 0 96px;
    max-width: 760px;
    margin: 0 auto;
}
.post-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--ink-dim);
    margin-bottom: 32px;
    transition: var(--transition-fast);
}
.post-back:hover { color: var(--acid-on-bg); }

.post-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--ink-faint);
    text-transform: uppercase;
    margin-bottom: 18px;
}
.post-meta .sep {
    width: 4px; height: 4px;
    background: var(--ink-faint);
    border-radius: 50%;
}

.post-title {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 24px;
}
.post-title em {
    font-style: italic;
    color: var(--acid-on-bg);
}

.post-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--line);
}
.post-tags .tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--ink-dim);
    text-transform: uppercase;
    padding: 4px 10px;
    border: 1px solid var(--line-2);
    border-radius: 4px;
}

/* ---- Markdown body styles ---- */
.post-body {
    font-size: 18px;
    line-height: 1.75;
    color: var(--ink);
}
.post-body > * + * { margin-top: 1.2em; }
.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin-top: 2em;
}
.post-body h1 { font-size: 2rem; }
.post-body h2 { font-size: 1.6rem; }
.post-body h3 { font-size: 1.3rem; }
.post-body h4 { font-size: 1.1rem; }
.post-body p { color: var(--ink); }
.post-body a {
    color: var(--acid-on-bg);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
.post-body a:hover { text-decoration-thickness: 2px; }
.post-body strong { color: var(--ink); font-weight: 600; }
.post-body em { font-style: italic; }
.post-body ul,
.post-body ol {
    padding-left: 1.4em;
}
.post-body li { margin-top: 0.4em; }
.post-body blockquote {
    border-left: 3px solid var(--acid-on-bg);
    padding: 4px 0 4px 20px;
    color: var(--ink-2);
    font-style: italic;
}
.post-body img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--line-2);
}
.post-body hr {
    border: none;
    border-top: 1px solid var(--line);
    margin: 2.5em 0;
}
.post-body code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: var(--panel-2);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--line);
    color: var(--ink);
}
.post-body pre {
    background: var(--panel);
    border: 1px solid var(--line-2);
    border-radius: var(--radius-md);
    padding: 20px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.55;
}
.post-body pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: inherit;
}
.post-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}
.post-body th,
.post-body td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
}
.post-body th {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ink-dim);
}

/* ---- Post footer / nav ---- */
.post-foot {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--ink-dim);
}
.post-foot a {
    color: var(--ink-2);
    transition: var(--transition-fast);
}
.post-foot a:hover { color: var(--acid-on-bg); }

/* ---- Loader / states ---- */
.loading,
.error-state {
    padding: 80px 0;
    text-align: center;
    color: var(--ink-dim);
    font-family: var(--font-mono);
    font-size: 14px;
}
.error-state h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--ink);
    margin-bottom: 12px;
}

/* ---- Responsive ---- */
@media (max-width: 720px) {
    .blog-card {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 24px 0;
    }
    .blog-card:hover { padding-left: 0; padding-right: 0; }
    .blog-card .card-arrow { display: none; }
    .post-body { font-size: 17px; }
    .post-foot { flex-direction: column; align-items: flex-start; }
}