/**
 * BoostNinja AI — Generated Post Styles
 *
 * Scoped to .bna-post so nothing bleeds into the theme. Applied only to
 * posts that carry the _bna_generated meta flag via a <div class="bna-post">
 * wrapper injected by the_content filter.
 *
 * Design tokens:
 *   --bna-accent      #b5f23d  (lime green brand)
 *   --bna-ink         #1a1a1a  (body text)
 *   --bna-ink-muted   #5a5a5a  (secondary text)
 *   --bna-rule        #e4e4e4  (dividers)
 *   --bna-surface     #f8f8f5  (subtle backgrounds)
 */

/* ── Reset scope ──────────────────────────────────────────────── */
.bna-post {
    --bna-accent:    #b5f23d;
    --bna-ink:       #1a1a1a;
    --bna-ink-muted: #5a5a5a;
    --bna-rule:      #e4e4e4;
    --bna-surface:   #f8f8f5;
    --bna-font-body: Georgia, 'Times New Roman', Times, serif;
    --bna-font-ui:   system-ui, -apple-system, 'Segoe UI', sans-serif;
    --bna-radius:    4px;

    color: var(--bna-ink);
    font-family: var(--bna-font-body);
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.8;
    max-width: 72ch;
}

/* ── Paragraphs ───────────────────────────────────────────────── */
.bna-post p {
    margin: 0 0 1.6em;
    color: var(--bna-ink);
}

.bna-post > p:first-of-type {
    font-size: 1.15em;
    color: #2a2a2a;
    line-height: 1.7;
}

/* ── Headings ─────────────────────────────────────────────────── */
.bna-post h1,
.bna-post h2,
.bna-post h3,
.bna-post h4,
.bna-post h5,
.bna-post h6 {
    font-family: var(--bna-font-ui);
    font-weight: 700;
    color: var(--bna-ink);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin: 2em 0 0.6em;
}

.bna-post h2 {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    padding-bottom: 0.4em;
    border-bottom: 2px solid var(--bna-accent);
    display: inline-block;
}

.bna-post h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    position: relative;
    padding-left: 0.9em;
}

.bna-post h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.15em;
    bottom: 0.1em;
    width: 3px;
    background: var(--bna-accent);
    border-radius: 2px;
}

.bna-post h4 {
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--bna-ink-muted);
    font-weight: 600;
}

/* ── Lists ────────────────────────────────────────────────────── */
.bna-post ul,
.bna-post ol {
    margin: 0 0 1.6em 0;
    padding-left: 1.25em;
}

.bna-post li {
    margin-bottom: 0.55em;
    padding-left: 0.25em;
}

.bna-post ul li::marker {
    color: var(--bna-accent);
    font-size: 1.1em;
}

.bna-post ol li::marker {
    color: var(--bna-accent);
    font-weight: 700;
    font-family: var(--bna-font-ui);
}

/* Nested lists */
.bna-post ul ul,
.bna-post ol ol,
.bna-post ul ol,
.bna-post ol ul {
    margin-top: 0.4em;
    margin-bottom: 0.4em;
}

/* ── Blockquotes / pull quotes ────────────────────────────────── */
.bna-post blockquote {
    margin: 2em 0;
    padding: 1.5em 1.75em;
    background: var(--bna-surface);
    border-left: 4px solid var(--bna-accent);
    border-radius: 0 var(--bna-radius) var(--bna-radius) 0;
    font-style: italic;
    font-size: 1.05em;
    color: #333;
    position: relative;
}

.bna-post blockquote p {
    margin: 0;
}

.bna-post blockquote p:not(:last-child) {
    margin-bottom: 0.75em;
}

.bna-post blockquote::before {
    content: '\201C';
    font-size: 4em;
    line-height: 1;
    font-family: Georgia, serif;
    color: var(--bna-accent);
    position: absolute;
    top: -0.1em;
    left: 0.25em;
    opacity: 0.25;
}

/* ── Inline code & code blocks ────────────────────────────────── */
.bna-post code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.875em;
    background: var(--bna-surface);
    border: 1px solid var(--bna-rule);
    border-radius: var(--bna-radius);
    padding: 0.15em 0.45em;
    color: #c7253e;
}

.bna-post pre {
    background: #1a1a1a;
    color: #e8e8e8;
    border-radius: 6px;
    padding: 1.25em 1.5em;
    overflow-x: auto;
    font-size: 0.875em;
    line-height: 1.6;
    margin: 0 0 1.6em;
}

.bna-post pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* ── Links ────────────────────────────────────────────────────── */
.bna-post a {
    color: var(--bna-ink);
    text-decoration: underline;
    text-decoration-color: var(--bna-accent);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.bna-post a:hover {
    color: #000;
    text-decoration-color: currentColor;
}

/* ── Images ───────────────────────────────────────────────────── */
.bna-post img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
    margin: 1.6em auto;
}

.bna-post figure {
    margin: 2em 0;
}

.bna-post figcaption {
    text-align: center;
    font-size: 0.85em;
    color: var(--bna-ink-muted);
    font-family: var(--bna-font-ui);
    margin-top: 0.5em;
    font-style: italic;
}

/* ── Horizontal rule ──────────────────────────────────────────── */
.bna-post hr {
    border: none;
    border-top: 1px solid var(--bna-rule);
    margin: 2.5em 0;
    position: relative;
}

.bna-post hr::after {
    content: '◆';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 0 0.5em;
    color: var(--bna-accent);
    font-size: 0.7em;
}

/* ── Tables ───────────────────────────────────────────────────── */
.bna-post table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--bna-font-ui);
    font-size: 0.9em;
    margin: 0 0 1.6em;
    border-radius: 6px;
    overflow: hidden;
}

.bna-post th {
    background: var(--bna-ink);
    color: #fff;
    font-weight: 600;
    text-align: left;
    padding: 0.75em 1em;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.8em;
}

.bna-post td {
    padding: 0.7em 1em;
    border-bottom: 1px solid var(--bna-rule);
    color: var(--bna-ink);
    vertical-align: top;
}

.bna-post tr:nth-child(even) td {
    background: var(--bna-surface);
}

.bna-post tr:last-child td {
    border-bottom: none;
}

/* ── Strong / em ──────────────────────────────────────────────── */
.bna-post strong,
.bna-post b {
    font-weight: 700;
    color: var(--bna-ink);
}

.bna-post em,
.bna-post i {
    font-style: italic;
    color: #2a2a2a;
}

/* ── Key takeaways / callout boxes ───────────────────────────── */
/* AI often wraps tip sections in <div class="callout"> or similar.
   We also style a generic pattern for "Key Takeaways" heading blocks. */
.bna-post .callout,
.bna-post .key-takeaways,
.bna-post .tip-box {
    background: var(--bna-surface);
    border: 1px solid var(--bna-rule);
    border-left: 4px solid var(--bna-accent);
    border-radius: 0 6px 6px 0;
    padding: 1.25em 1.5em;
    margin: 2em 0;
    font-family: var(--bna-font-ui);
    font-size: 0.95em;
}

/* ── "Generated by BoostNinja AI" badge ───────────────────────── */
.bna-post-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    font-family: var(--bna-font-ui, system-ui, sans-serif);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--bna-ink-muted, #5a5a5a);
    margin-top: 2.5em;
    padding-top: 1.25em;
    border-top: 1px solid var(--bna-rule, #e4e4e4);
}

.bna-post-badge::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #b5f23d;
    border-radius: 50%;
}

/* ── Responsive tweaks ────────────────────────────────────────── */
@media (max-width: 640px) {
    .bna-post {
        font-size: 1rem;
    }

    .bna-post blockquote {
        padding: 1em 1.25em;
    }

    .bna-post h2 {
        display: block;
    }

    .bna-post table {
        font-size: 0.8em;
    }

    .bna-post td,
    .bna-post th {
        padding: 0.6em 0.75em;
    }
}