/* ============================================
   MAPPIN BLOG — public pages (dark brand theme)
   Depends on landing/css/base.css variables.
   ============================================ */

.blog-main { padding-top: 0; }
.bp-container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
.bp-narrow { max-width: 820px; }
.bp-section { padding: 3rem 0; position: relative; }

/* ---------- Hero / listing header ---------- */
.bp-hero { padding: 120px 0 2rem; text-align: center; position: relative; overflow: hidden; }
.bp-blob { position: absolute; border-radius: 9999px; filter: blur(90px); pointer-events: none; opacity: .55; }
.bp-blob-1 { width: 520px; height: 520px; top: -220px; left: -120px; background: radial-gradient(circle, rgba(124,92,255,.55), transparent 65%); animation: bp-float 14s ease-in-out infinite; }
.bp-blob-2 { width: 460px; height: 460px; top: -160px; right: -140px; background: radial-gradient(circle, rgba(6,182,212,.4), transparent 65%); animation: bp-float 18s ease-in-out infinite reverse; }
@keyframes bp-float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(30px,20px); } }
.bp-hero .bp-container { position: relative; z-index: 1; }
.bp-hero .badge-pill { margin: 0 auto 1.25rem; }
.bp-h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1;
    color: var(--c-text-1); margin: 0 0 1rem;
    background: linear-gradient(135deg, var(--c-text-1) 0%, var(--c-violet-text) 60%, var(--c-cyan-text) 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.bp-h2 { font-size: 1.6rem; font-weight: 800; color: var(--c-text-1); letter-spacing: -0.02em; margin: 0 0 1.5rem; }
.bp-sub { max-width: 720px; margin: 0 auto 2rem; color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; }

.bp-breadcrumb { display: flex; justify-content: center; gap: .5rem; font-size: .8rem; color: var(--text-muted); margin-bottom: 1.25rem; flex-wrap: wrap; }
.bp-breadcrumb a { color: var(--text-muted); } .bp-breadcrumb a:hover { color: var(--c-violet-text); }
.bp-article .bp-breadcrumb { justify-content: flex-start; }

.bp-search {
    display: flex; align-items: center; gap: .75rem; max-width: 620px; margin: 0 auto 1.5rem;
    background: var(--glass-bg); border: 1px solid var(--border-default); border-radius: 9999px; padding: .4rem .5rem .4rem 1.1rem;
    backdrop-filter: blur(12px);
}
.bp-search i { color: var(--text-muted); flex-shrink: 0; }
.bp-search input { flex: 1; background: transparent; border: 0; outline: 0; color: var(--c-text-1); font-size: .95rem; min-width: 0; }
.bp-search input::placeholder { color: var(--text-dim); }
.bp-search button { background: var(--brand-primary); color: var(--c-on-accent); border: 0; border-radius: 9999px; padding: .55rem 1.1rem; font-weight: 600; font-size: .85rem; cursor: pointer; }
.bp-search button:hover { background: var(--brand-secondary); }

.bp-cats { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; }
.bp-cat { padding: .4rem .9rem; border-radius: 9999px; border: 1px solid var(--border-default); color: var(--text-secondary); font-size: .8rem; font-weight: 600; transition: all .2s; }
.bp-cat:hover { border-color: rgba(124,92,255,.5); color: var(--c-text-1); }
.bp-cat.active { background: rgba(124,92,255,.15); border-color: rgba(124,92,255,.5); color: var(--c-violet-text); }
.bp-cat b { font-weight: 700; font-size: .7rem; margin-left: .3rem; padding: .05rem .4rem; border-radius: 9999px; background: var(--c-white-a007); color: var(--text-muted); }
.bp-cat.active b { background: rgba(124,92,255,.3); color: var(--c-text-1); }

/* ---------- Section heading row ---------- */
.bp-section-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border-subtle); }
.bp-section-head .bp-h2 { margin: 0; }
.bp-section-head-right { display: flex; align-items: center; gap: 1rem; font-size: .85rem; color: var(--text-muted); }
.bp-count { font-weight: 600; }
.bp-rss { display: inline-flex; align-items: center; gap: .35rem; color: var(--text-muted); font-weight: 600; }
.bp-rss:hover { color: #f59e0b; }

/* ---------- Cards ---------- */
.bp-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
@media (max-width: 1024px) { .bp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .bp-grid { grid-template-columns: 1fr; } }
.bp-card {
    display: flex; flex-direction: column; background: var(--glass-bg); border: 1px solid var(--border-subtle);
    border-radius: 20px; overflow: hidden; transition: transform .25s, border-color .25s, box-shadow .25s;
}
.bp-card:hover { transform: translateY(-4px); border-color: rgba(124,92,255,.35); box-shadow: var(--shadow-elevation-2); }
.bp-card-media { display: block; aspect-ratio: 16/9; overflow: hidden; background: var(--ink-800); position: relative; }
.bp-card-media img, .bp-featured-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.bp-card:hover .bp-card-media img { transform: scale(1.04); }
.bp-card-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: rgba(124,92,255,.6); background: radial-gradient(circle at 30% 20%, rgba(124,92,255,.25), transparent 60%), var(--ink-800); }
.bp-card-body { padding: 1.25rem 1.4rem 1.5rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.bp-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-size: .75rem; color: var(--text-muted); }
.bp-chip { padding: .2rem .6rem; border-radius: 9999px; background: rgba(124,92,255,.12); color: var(--c-violet-text); font-weight: 700; font-size: .7rem; letter-spacing: .04em; text-transform: uppercase; }
.bp-chip-featured { background: rgba(6,182,212,.15); color: var(--c-cyan-text); }
.bp-chip-onimg { position: absolute; top: .85rem; left: .85rem; z-index: 2; display: inline-flex; align-items: center; gap: .3rem; background: var(--c-glass-a07); color: var(--c-violet-text-3); border: 1px solid rgba(124,92,255,.35); backdrop-filter: blur(8px); box-shadow: 0 4px 16px var(--c-shadow-a035); }
.bp-chip-featured.bp-chip-onimg { color: var(--c-cyan-text-2); border-color: rgba(6,182,212,.4); }

/* Generated cover for posts without a featured image */
.bp-cover { position: relative; width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; padding: 1.25rem 1.4rem; overflow: hidden; }
.bp-cover-0 { background: radial-gradient(circle at 20% 15%, rgba(124,92,255,.55), transparent 55%), radial-gradient(circle at 85% 85%, rgba(6,182,212,.35), transparent 55%), #0e0e26; }
.bp-cover-1 { background: radial-gradient(circle at 80% 10%, rgba(168,85,247,.5), transparent 55%), radial-gradient(circle at 15% 90%, rgba(16,185,129,.3), transparent 55%), #0e0e26; }
.bp-cover-2 { background: radial-gradient(circle at 50% 0%, rgba(6,182,212,.45), transparent 55%), radial-gradient(circle at 90% 90%, rgba(245,158,11,.25), transparent 55%), #0e0e26; }
.bp-cover-grid { position: absolute; inset: 0; background-image: linear-gradient(var(--c-white-a005) 1px, transparent 1px), linear-gradient(90deg, var(--c-white-a005) 1px, transparent 1px); background-size: 28px 28px; mask-image: radial-gradient(circle at 50% 50%, var(--c-black) 30%, transparent 85%); -webkit-mask-image: radial-gradient(circle at 50% 50%, var(--c-black) 30%, transparent 85%); }
.bp-cover-icon { position: absolute; right: -8px; top: -8px; width: 120px; height: 120px; color: var(--c-white-a008); }
.bp-cover-title { position: relative; font-family: 'Instrument Serif', serif; font-style: italic; font-size: 1.35rem; line-height: 1.25; color: var(--c-white-a09); text-shadow: 0 2px 12px var(--c-shadow-a05); }
.bp-featured-media .bp-cover-title { font-size: 1.9rem; }

/* Card footer: author + read link */
.bp-card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding-top: .9rem; border-top: 1px solid var(--border-subtle); }
.bp-author { display: inline-flex; align-items: center; gap: .5rem; font-size: .8rem; color: var(--text-secondary); font-weight: 500; }
.bp-avatar { width: 26px; height: 26px; border-radius: 9999px; display: inline-flex; align-items: center; justify-content: center; background: var(--gradient-brand); color: var(--c-on-accent); font-size: .7rem; font-weight: 800; box-shadow: 0 0 0 2px rgba(124,92,255,.25); }
.bp-featured-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: .25rem; }
.bp-card-title { font-size: 1.15rem; font-weight: 700; line-height: 1.35; margin: 0; letter-spacing: -0.01em; }
.bp-card-title a { color: var(--c-text-1); } .bp-card-title a:hover { color: var(--c-violet-text); }
.bp-card-excerpt { color: var(--text-secondary); font-size: .9rem; line-height: 1.6; margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.bp-card-link { display: inline-flex; align-items: center; gap: .35rem; color: var(--c-brand-text); font-weight: 600; font-size: .85rem; padding-top: .5rem; }
.bp-card-link:hover { color: var(--c-text-1); } .bp-card-link:hover i { transform: translateX(3px); } .bp-card-link i { transition: transform .2s; }

/* ---------- Featured ---------- */
.bp-featured {
    display: grid; grid-template-columns: 1.15fr 1fr; gap: 0; background: var(--glass-bg); border: 1px solid var(--border-default);
    border-radius: 24px; overflow: hidden; margin-bottom: 2.5rem;
}
.bp-featured-media { display: block; min-height: 300px; background: var(--ink-800); position: relative; overflow: hidden; }
.bp-featured:hover .bp-featured-media img { transform: scale(1.03); }
.bp-featured { position: relative; }
.bp-featured::before { content: ''; position: absolute; inset: -1px; border-radius: 24px; padding: 1px; background: linear-gradient(135deg, rgba(124,92,255,.5), transparent 40%, transparent 60%, rgba(6,182,212,.35)); -webkit-mask: linear-gradient(var(--c-black) 0 0) content-box, linear-gradient(var(--c-black) 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.bp-featured-body { padding: 2.25rem; display: flex; flex-direction: column; gap: 1rem; justify-content: center; }
.bp-featured-title { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
.bp-featured-title a { color: var(--c-text-1); } .bp-featured-title a:hover { color: var(--c-violet-text); }
.bp-featured-excerpt { color: var(--text-secondary); line-height: 1.7; margin: 0; }
@media (max-width: 860px) { .bp-featured { grid-template-columns: 1fr; } .bp-featured-media { aspect-ratio: 16/9; min-height: 0; } }

/* ---------- Buttons ---------- */
.bp-btn-primary { display: inline-flex; align-items: center; gap: .5rem; background: var(--gradient-brand); color: var(--c-on-accent); font-weight: 700; padding: .75rem 1.35rem; border-radius: 12px; box-shadow: var(--shadow-glow-brand); transition: transform .2s, filter .2s; width: fit-content; }
.bp-btn-primary:hover { transform: translateY(-2px); filter: brightness(1.08); }
.bp-btn-ghost { display: inline-flex; align-items: center; gap: .5rem; border: 1px solid var(--border-strong); color: var(--c-text-1); font-weight: 600; padding: .75rem 1.25rem; border-radius: 12px; transition: all .2s; width: fit-content; }
.bp-btn-ghost:hover { background: var(--c-white-a005); border-color: rgba(124,92,255,.6); }

/* ---------- Empty / pagination / tags ---------- */
.bp-empty { text-align: center; padding: 4rem 1rem; color: var(--text-muted); }
.bp-empty i { margin: 0 auto 1rem; color: rgba(124,92,255,.6); }
.bp-empty h2 { color: var(--c-text-1); font-size: 1.25rem; margin-bottom: .5rem; }
.bp-empty a { color: var(--c-violet-text); text-decoration: underline; }
.bp-pagination { display: flex; align-items: center; justify-content: center; gap: 1.5rem; margin: 2.5rem 0 0; color: var(--text-muted); font-size: .9rem; }
.bp-pagination a { display: inline-flex; align-items: center; gap: .3rem; color: var(--c-text-1); font-weight: 600; padding: .5rem 1rem; border: 1px solid var(--border-default); border-radius: 10px; }
.bp-pagination a:hover { border-color: rgba(124,92,255,.6); }
.bp-tagcloud { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: 2.5rem; }
.bp-tagcloud-inline { margin: 2rem 0 0; }
.bp-tagcloud-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-muted); font-weight: 700; margin-right: .5rem; }
.bp-tag { font-size: .78rem; color: var(--text-secondary); padding: .3rem .7rem; border-radius: 8px; background: var(--c-line-a006); border: 1px solid var(--border-subtle); }
.bp-tag:hover { color: var(--c-text-1); border-color: rgba(124,92,255,.5); }

/* ---------- CTA ---------- */
.bp-cta { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 2.25rem 2.5rem; border-radius: 24px; background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(6,182,212,.10)); border: 1px solid rgba(124,92,255,.3); }
.bp-cta h2 { color: var(--c-text-1); font-size: 1.5rem; font-weight: 800; margin: 0 0 .5rem; letter-spacing: -0.02em; }
.bp-cta p { color: var(--text-secondary); margin: 0; max-width: 560px; line-height: 1.6; }
.bp-cta-actions { display: flex; gap: .75rem; flex-shrink: 0; flex-wrap: wrap; }
.bp-cta-inline { margin-top: 3rem; flex-direction: column; align-items: flex-start; padding: 1.75rem; }
.bp-cta-inline h2 { font-size: 1.25rem; margin-top: 0; }
@media (max-width: 760px) { .bp-cta { flex-direction: column; align-items: flex-start; padding: 1.75rem; } }

/* ---------- Article ---------- */
.bp-preview-bar { position: sticky; top: 64px; z-index: 40; display: flex; align-items: center; gap: .6rem; justify-content: center; background: #f59e0b; color: #1a1a1a; font-size: .85rem; padding: .5rem 1rem; }
.bp-preview-bar a { font-weight: 700; text-decoration: underline; color: #1a1a1a; }
.bp-article-header { padding: 120px 0 1.5rem; }
.bp-article-title { font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 800; line-height: 1.12; letter-spacing: -0.03em; color: var(--c-text-1); margin: 1rem 0 1rem; }
.bp-article-lead { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7; margin: 0 0 1.5rem; }
.bp-byline { display: flex; align-items: center; gap: .75rem; font-size: .85rem; color: var(--text-muted); }
.bp-byline strong { display: block; color: var(--c-text-1); }
.bp-avatar { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--gradient-brand); color: var(--c-on-accent); font-weight: 800; }
.bp-article-hero { margin: 2rem 0 0; border-radius: 24px; overflow: hidden; border: 1px solid var(--border-subtle); }
.bp-article-hero img { width: 100%; height: auto; display: block; }

.bp-article-layout { display: grid; grid-template-columns: 240px minmax(0, 760px); gap: 3rem; justify-content: center; padding: 2rem 1.5rem 3rem; }
.bp-toc-wrap { position: sticky; top: 96px; align-self: start; display: flex; flex-direction: column; gap: 1.5rem; }
.bp-toc { border-left: 1px solid var(--border-default); padding-left: 1rem; }
.bp-toc-title { font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; color: var(--text-muted); font-weight: 700; margin: 0 0 .75rem; }
.bp-toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.bp-toc a { font-size: .85rem; color: var(--text-muted); line-height: 1.4; display: block; transition: color .2s; }
.bp-toc a:hover, .bp-toc a.active { color: var(--c-violet-text); }
.bp-share { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; padding-left: 1rem; }
.bp-share .bp-toc-title { width: 100%; }
.bp-share a, .bp-share button { width: 36px; height: 36px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border-default); color: var(--text-secondary); background: transparent; cursor: pointer; transition: all .2s; }
.bp-share a:hover, .bp-share button:hover { color: var(--c-text-1); border-color: rgba(124,92,255,.6); }
.bp-share button.copied { color: #10b981; border-color: rgba(16,185,129,.6); }
@media (max-width: 960px) { .bp-article-layout { grid-template-columns: minmax(0, 1fr); } .bp-toc-wrap { position: static; } .bp-toc { border-left: 0; padding-left: 0; background: var(--glass-bg); border: 1px solid var(--border-subtle); border-radius: 16px; padding: 1.25rem; } .bp-share { display: none; } }

/* Prose (rendered markdown) */
.bp-prose { color: var(--c-text-3); font-size: 1.05rem; line-height: 1.8; }
.bp-prose > *:first-child { margin-top: 0; }
.bp-prose h2 { font-size: 1.7rem; font-weight: 800; color: var(--c-text-1); letter-spacing: -0.02em; margin: 2.75rem 0 1rem; scroll-margin-top: 90px; }
.bp-prose h3 { font-size: 1.25rem; font-weight: 700; color: var(--c-text-2); margin: 2rem 0 .75rem; scroll-margin-top: 90px; }
.bp-prose h4 { font-size: 1.05rem; font-weight: 700; color: var(--c-text-2); margin: 1.5rem 0 .5rem; }
.bp-prose p { margin: 0 0 1.25rem; }
.bp-prose a { color: var(--c-brand-text); text-decoration: none; border-bottom: 1px dashed rgba(165,168,255,.4); }
.bp-prose a:hover { color: var(--c-text-1); border-bottom-style: solid; }
.bp-prose strong { color: var(--c-text-1); }
.bp-prose ul, .bp-prose ol { margin: 0 0 1.25rem; padding-left: 1.5rem; }
.bp-prose li { margin-bottom: .5rem; }
.bp-prose li::marker { color: var(--c-brand-text-2); }
.bp-prose blockquote { margin: 1.75rem 0; padding: 1rem 1.5rem; border-left: 3px solid #7c5cff; background: rgba(124,92,255,.08); border-radius: 0 12px 12px 0; color: var(--c-text-2); font-style: italic; }
.bp-prose blockquote p:last-child { margin-bottom: 0; }
.bp-prose img { max-width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--border-subtle); margin: 1.5rem 0; }
.bp-prose hr { border: 0; border-top: 1px solid var(--border-default); margin: 2.5rem 0; }
.bp-prose code { font-family: 'JetBrains Mono', monospace; font-size: .85em; background: rgba(124,92,255,.12); color: var(--c-violet-text-3); padding: .15em .4em; border-radius: 6px; }
.bp-prose pre { background: var(--ink-900); border: 1px solid var(--border-default); border-radius: 14px; padding: 1.25rem 1.4rem; overflow-x: auto; margin: 1.5rem 0; font-size: .85rem; line-height: 1.65; }
.bp-prose pre code { background: transparent; padding: 0; color: var(--c-text-2); font-size: inherit; }
.bp-prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .92rem; display: block; overflow-x: auto; }
.bp-prose th, .bp-prose td { padding: .7rem .9rem; border: 1px solid var(--border-default); text-align: left; vertical-align: top; }
.bp-prose th { background: rgba(124,92,255,.12); color: var(--c-text-1); font-weight: 700; }
.bp-prose tr:nth-child(even) td { background: var(--c-line-a004); }
.bp-prose .toc { display: none; }

/* Pygments (codehilite) — minimal dark palette */
.highlight .c, .highlight .c1, .highlight .cm { color: var(--c-text-5); font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kr { color: var(--c-violet-text-2); }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sa { color: #86efac; }
.highlight .mi, .highlight .mf, .highlight .m { color: var(--c-amber-text); }
.highlight .nf, .highlight .fm { color: var(--c-cyan-text); }
.highlight .nb, .highlight .bp { color: var(--c-blue-text-2); }
.highlight .o, .highlight .p { color: var(--c-text-3); }
.highlight .nt { color: #f472b6; }
.highlight .na { color: var(--c-amber-text); }
.highlight .err { color: #f87171; }

/* FAQ */
.bp-faq { margin-top: 3rem; }
.bp-faq details { border: 1px solid var(--border-default); border-radius: 14px; padding: 0 1.25rem; margin-bottom: .75rem; background: var(--glass-bg); }
.bp-faq summary { cursor: pointer; list-style: none; padding: 1rem 0; font-weight: 700; color: var(--c-text-1); display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.bp-faq summary::-webkit-details-marker { display: none; }
.bp-faq summary::after { content: '+'; color: var(--c-brand-text-2); font-size: 1.3rem; font-weight: 400; transition: transform .2s; }
.bp-faq details[open] summary::after { transform: rotate(45deg); }
.bp-faq details p { margin: 0 0 1.1rem; color: var(--text-secondary); }

/* Prev / next */
.bp-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2.5rem; }
.bp-prevnext-item { display: flex; flex-direction: column; gap: .25rem; padding: 1rem 1.25rem; border: 1px solid var(--border-subtle); border-radius: 14px; color: var(--c-text-1); transition: border-color .2s; }
.bp-prevnext-item:hover { border-color: rgba(124,92,255,.5); }
.bp-prevnext-item span { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-muted); font-weight: 700; }
.bp-prevnext-item strong { font-size: .9rem; line-height: 1.4; }
.bp-prevnext-right { text-align: right; align-items: flex-end; }
@media (max-width: 600px) { .bp-prevnext { grid-template-columns: 1fr; } .bp-prevnext-right { text-align: left; align-items: flex-start; } }