/* ==========================================================================
   BLOG — extends styles.css ("Keynote")
   Editorial post list + long-form article typography. Tokens come from :root
   in styles.css; nothing new is hardcoded here.
   ========================================================================== */

/* ---------- Post list (blog index) ---------- */

.post-list {
    max-width: 74ch;
    margin-top: clamp(1.5rem, 4vw, 2.5rem);
    border-top: 1px solid var(--line);
}

.post-row {
    display: block;
    padding: clamp(1.5rem, 3.5vw, 2.25rem) 0;
    border-bottom: 1px solid var(--line);
}

.post-row-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--ink-3);
}

.post-row-meta .tag {
    color: var(--clay-deep);
}

.post-row-meta .sep {
    color: var(--line);
}

.post-row h2 {
    font-size: clamp(1.35rem, 3vw, 1.9rem);
    line-height: 1.2;
    margin-top: 0.7rem;
}

.post-row h2 a {
    color: var(--ink);
    text-decoration: none;
    transition: color var(--t-fast);
}

.post-row h2 a:hover {
    color: var(--clay);
}

.post-row p {
    margin-top: 0.75rem;
    color: var(--ink-2);
    line-height: 1.65;
    max-width: 62ch;
}

.post-row-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1rem;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--clay-deep);
    text-decoration: none;
    border-bottom: 1px solid var(--clay-line);
    transition: color var(--t-fast);
}

.post-row-link:hover {
    color: var(--clay);
}

/* ---------- Article shell ---------- */

.article-head .lead {
    max-width: 64ch;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1.35rem;
    font-size: 0.9rem;
    color: var(--ink-3);
}

.article-meta a {
    color: var(--ink-2);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--line);
    transition: color var(--t-fast);
}

.article-meta a:hover {
    color: var(--clay);
}

.article-meta .sep {
    color: var(--line);
}

/* Left-aligned, like every other subpage text column (see styles.css) */
.article-body {
    max-width: 68ch;
}

.article-body h2 {
    font-size: clamp(1.35rem, 2.8vw, 1.85rem);
    line-height: 1.2;
    margin-top: clamp(2.25rem, 5vw, 3.25rem);
    margin-bottom: 0.85rem;
}

.article-body h3 {
    font-family: var(--display);
    font-size: clamp(1.08rem, 2.1vw, 1.25rem);
    font-weight: 700;
    line-height: 1.3;
    margin-top: clamp(1.75rem, 3.5vw, 2.25rem);
    margin-bottom: 0.6rem;
}

.article-body p {
    color: var(--ink-2);
    line-height: 1.72;
}

.article-body p + p {
    margin-top: 1.1rem;
}

.article-body strong {
    color: var(--ink);
    font-weight: 700;
}

.article-body a {
    color: var(--clay-deep);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--clay-line);
    transition: color var(--t-fast);
}

.article-body a:hover {
    color: var(--clay);
}

.article-body ul,
.article-body ol {
    margin-top: 1.1rem;
    padding-left: 1.35rem;
    display: grid;
    gap: 0.5rem;
}

.article-body li {
    color: var(--ink-2);
    line-height: 1.65;
}

.article-body li::marker {
    color: var(--clay);
    font-weight: 700;
}

.article-body hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin-block: clamp(2.25rem, 5vw, 3rem);
}

/* Inline code */
.article-body code {
    font-family: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;
    font-size: 0.88em;
    background: var(--paper-3);
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    padding: 0.1em 0.38em;
    color: var(--ink);
    word-break: break-word;
}

/* ---------- Steps (numbered editorial list) ---------- */

.steps {
    counter-reset: step;
    margin-top: clamp(1.25rem, 3vw, 1.75rem);
    display: grid;
    gap: 1.1rem;
    padding-left: 0;
    list-style: none;
}

.steps li {
    counter-increment: step;
    position: relative;
    padding-left: 2.6rem;
    color: var(--ink-2);
    line-height: 1.68;
}

.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0.05em;
    width: 1.85rem;
    height: 1.85rem;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: var(--clay-tint);
    border: 1px solid var(--clay-line);
    color: var(--clay-deep);
    font-family: var(--display);
    font-weight: 700;
    font-size: 0.9rem;
}

/* ---------- Callout ---------- */

.callout {
    margin-top: clamp(1.25rem, 3vw, 1.75rem);
    padding: clamp(1.1rem, 3vw, 1.5rem);
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-left: 3px solid var(--clay);
    border-radius: var(--r);
}

.callout h3 {
    margin-top: 0;
}

.callout p {
    color: var(--ink-2);
    line-height: 1.68;
}

.callout p + p {
    margin-top: 0.85rem;
}

.callout.callout-soft {
    border-left-color: var(--line);
}

/* ---------- Prompt block (dark stage surface) ---------- */

.prompt-block {
    margin-top: clamp(1.5rem, 3.5vw, 2rem);
    background: var(--stage);
    border: 1px solid var(--stage-line);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.prompt-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem clamp(1rem, 3vw, 1.4rem);
    border-bottom: 1px solid var(--stage-line);
    background: var(--stage-2);
}

.prompt-bar .prompt-label {
    font-family: var(--display);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--on-stage-2);
}

.copy-btn {
    font-family: var(--body);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--on-stage);
    background: transparent;
    border: 1px solid var(--stage-line);
    border-radius: 999px;
    padding: 0.4rem 0.95rem;
    cursor: pointer;
    transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.copy-btn:hover {
    background: var(--clay);
    border-color: var(--clay);
    color: var(--on-stage);
}

.copy-btn[data-copied="true"] {
    background: var(--clay-deep);
    border-color: var(--clay-deep);
}

.prompt-block pre {
    margin: 0;
    padding: clamp(1rem, 3vw, 1.5rem);
    overflow-x: auto;
    max-height: 30rem;
    overflow-y: auto;
}

.prompt-block code {
    font-family: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;
    font-size: 0.82rem;
    line-height: 1.62;
    color: var(--on-stage-2);
    background: none;
    border: 0;
    padding: 0;
    white-space: pre;
    display: block;
    word-break: normal;
}

.prompt-note {
    font-size: 0.92rem;
    color: var(--ink-3);
    margin-top: 0.85rem;
}

/* ---------- Author box ---------- */

.author-box {
    max-width: 68ch;
    margin-top: clamp(2.25rem, 5vw, 3rem);
    padding: clamp(1.25rem, 3vw, 1.75rem);
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
}

.author-box img {
    width: 76px;
    height: 76px;
    border-radius: 999px;
    object-fit: cover;
    border: 1px solid var(--line);
}

.author-box .author-text {
    flex: 1 1 18rem;
}

.author-box h3 {
    font-family: var(--display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.author-box p {
    color: var(--ink-2);
    font-size: 0.97rem;
    line-height: 1.65;
}

.author-box a {
    color: var(--clay-deep);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--clay-line);
    transition: color var(--t-fast);
}

.author-box a:hover {
    color: var(--clay);
}

/* ---------- Shared blocks re-centered inside the article column ---------- */

.article-body .answer-block,
.article-body .faq-list,
.article-body .further-reading {
    max-width: none;
    margin-inline: 0;
}

@media (max-width: 720px) {
    .prompt-block code {
        font-size: 0.76rem;
    }

    .author-box {
        gap: 1rem;
    }
}