/* Blog pages — layered on top of ../style.css, which supplies the color tokens,
   fonts, light/dark theme and the ambient background. Generated pages live in
   blog/<slug>/index.html; their sources are in _blog-src/. */

/* ---------- Top bar ---------- */
.blog-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg-nav);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-subtle);
}
.blog-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 22px;
}
.blog-nav .nav-logo { margin-right: auto; }
.blog-nav-link {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.blog-nav-link:hover,
.blog-nav-link[aria-current="page"] { color: var(--text-primary); }

/* ---------- Layout ---------- */
.blog-main { max-width: 760px; margin: 0 auto; padding: 56px 20px 96px; }
.blog-main.wide { max-width: 1100px; }

.post-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-1);
}
.post-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-primary);
    font-size: clamp(2rem, 4.6vw, 2.9rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin: 14px 0 6px;
}
.post-hand {
    display: block;
    font-family: var(--font-display);
    font-weight: 500;
    font-style: italic;
    font-size: clamp(1.1rem, 2.4vw, 1.35rem);
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.post-meta { margin-top: 18px; font-size: 0.88rem; color: var(--text-muted); }
.post-meta a { color: var(--text-secondary); text-decoration: none; font-weight: 600; }
.post-meta a:hover { color: var(--accent-1); }

/* ---------- 60-second box ---------- */
.tldr {
    margin: 34px 0 10px;
    padding: 22px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border-hover);
    background: var(--gradient-subtle);
}
.tldr h2 { font-size: 1rem !important; margin: 0 0 10px !important; }
.tldr ul { margin: 0; padding-left: 20px; }
.tldr li { margin: 6px 0; }
.tldr .bottom { margin: 12px 0 0; font-style: italic; color: var(--accent-1); font-weight: 600; }

/* ---------- Prose ---------- */
.prose { font-size: 1.04rem; line-height: 1.78; }
.prose > * + * { margin-top: 1.05em; }
.prose h2 {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.55rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-top: 2.2em;
}
.prose h3 {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.15rem;
    margin-top: 1.6em;
}
.prose strong { color: var(--text-primary); }
.prose a { color: var(--accent-1); text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 0.4em; }
.prose hr { border: 0; border-top: 1px solid var(--border-subtle); margin: 2.4em 0; }
.prose code {
    font-family: var(--font-mono);
    font-size: 0.86em;
    padding: 1px 6px;
    border-radius: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}
.prose blockquote {
    margin-left: 0;
    padding: 4px 0 4px 18px;
    border-left: 3px solid var(--accent-1);
    font-style: italic;
}

/* Code blocks */
.code {
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--bg-elevated);
    overflow: hidden;
}
.code-title {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-subtle);
}
.code pre { margin: 0; padding: 16px 18px; overflow-x: auto; font-size: 0.84rem; line-height: 1.65; }
.code pre code {
    font-family: var(--font-mono);
    display: block;
    font-size: inherit;
    line-height: inherit;
    background: none;
    border: 0;
    padding: 0;
    color: var(--text-primary);
    white-space: pre;
}
.code .kw { color: #c084fc; }
.code .cm { color: var(--text-muted); font-style: italic; }
html.light-theme .code .kw { color: #7c3aed; }

/* Callouts */
.callout {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--accent-1);
    background: var(--bg-card);
}
.callout.warn { border-left-color: #f59e0b; }
.callout.bad { border-left-color: #f87171; }
.callout > * + * { margin-top: 0.6em; }

/* Stat cards (worked examples) */
.case {
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--bg-card);
    padding: 20px;
}
.case-title {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}
.case-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--glass-border-hover);
    color: var(--accent-1);
}
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-top: 14px;
}
.case-cell {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
}
.case-cell .k { display: block; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }
.case-cell .v { display: block; font-family: var(--font-display); font-weight: 700; font-size: 1.08rem; color: var(--text-primary); margin-top: 2px; }
.case-cell .s { display: block; font-size: 0.82rem; margin-top: 2px; }
.case-foot { margin-top: 14px; font-size: 0.9rem; }

/* Tables */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
table.data th, table.data td { padding: 10px 12px; border-bottom: 1px solid var(--border-subtle); text-align: left; vertical-align: top; }
table.data th { font-family: var(--font-display); color: var(--text-primary); font-weight: 600; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tr.hot td { color: var(--text-primary); background: var(--gradient-subtle); }

/* Numbered steps */
ol.steps { list-style: none; padding: 0; counter-reset: step; }
ol.steps li {
    counter-increment: step;
    position: relative;
    padding: 14px 16px 14px 58px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    background: var(--bg-card);
}
ol.steps li + li { margin-top: 10px; }
ol.steps li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 16px;
    top: 14px;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-1);
}
ol.steps li strong { display: block; }

/* Checklists */
ul.checklist { list-style: none; padding: 0; }
ul.checklist li { position: relative; padding-left: 30px; }
ul.checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    margin-top: 4px;
    border-radius: 6px;
    font-size: 0.75rem;
    line-height: 20px;
    text-align: center;
    color: #07070f;
    background: var(--gradient);
}

/* Quiz + FAQ (details/summary, no JS needed) */
.quiz {
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--bg-card);
}
.quiz .q { font-family: var(--font-display); font-weight: 600; color: var(--text-primary); margin: 0 0 12px; }
.quiz details, .faq details {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    padding: 10px 14px;
}
.quiz details + details, .faq details + details { margin-top: 8px; }
.quiz summary, .faq summary { cursor: pointer; font-weight: 600; color: var(--text-primary); }
.quiz details p, .faq details p { margin: 8px 0 2px; }
.quiz .right { color: #2dd4bf; font-weight: 700; }
.quiz .wrong { color: #f87171; font-weight: 700; }

/* Interactive widgets */
.widget {
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border-hover);
    background: var(--bg-card);
}
.widget-title { font-family: var(--font-display); font-weight: 600; color: var(--text-primary); margin: 0 0 12px; }
.widget label { display: block; font-size: 0.86rem; margin-top: 10px; }
.widget input[type="range"] { width: 100%; accent-color: #06b6d4; }
.widget .out { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin-top: 14px; }
.widget button {
    font-family: var(--font-display);
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--glass-border-hover);
    background: var(--gradient-subtle);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    margin-top: 12px;
}
.verdict { margin-top: 12px; font-weight: 600; }
.verdict.ok { color: #2dd4bf; }
.verdict.warn { color: #f59e0b; }
.verdict.bad { color: #f87171; }

/* Takeaways */
.takeaways {
    padding: 22px 24px;
    border-radius: var(--radius-md);
    background: var(--gradient-subtle);
    border: 1px solid var(--glass-border-hover);
}
.takeaways h2 { margin-top: 0 !important; font-size: 1.15rem !important; }

/* Author + more posts */
.post-author {
    margin-top: 56px;
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--bg-card);
    display: flex;
    gap: 16px;
    align-items: center;
}
.post-author .who { font-family: var(--font-display); font-weight: 600; color: var(--text-primary); }
.post-author p { margin: 2px 0 0; font-size: 0.9rem; }
.post-author a { color: var(--accent-1); }
.avatar {
    flex: none;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--font-display);
    font-weight: 700;
    color: #07070f;
    background: var(--gradient);
}

.more-posts { margin-top: 56px; }
.more-posts h2 { font-family: var(--font-display); color: var(--text-primary); font-size: 1.25rem; margin: 0 0 16px; }

.blog-hero h1 {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 12px 0 10px;
}
.blog-hero p { max-width: 640px; font-size: 1.05rem; margin: 0 0 36px; }

.blog-footer { border-top: 1px solid var(--border-subtle); padding: 28px 20px; text-align: center; font-size: 0.85rem; color: var(--text-muted); }
.blog-footer a { color: var(--text-secondary); }

@media (max-width: 600px) {
    .blog-main { padding-top: 36px; }
    .prose { font-size: 1rem; }
    ol.steps li { padding-left: 50px; }
}