/* =========================================================================
   PSTA Blog — public pages (/blog, posts, archives)
   Brand: purple #3b305f / #2a2144 / #4d3d7a + orange #ff9900 · Poppins
   Scoped under .psta-blog (listing & post pages) and .blog-content
   (article typography, also used inside the TinyMCE editor iframe).
   ========================================================================= */

.psta-blog {
    --pb-primary: #3b305f;
    --pb-dark: #2a2144;
    --pb-light: #4d3d7a;
    --pb-50: #f4f2fa;
    --pb-100: #e7e3f3;
    --pb-accent: #ff9900;
    --pb-accent-dark: #e68a00;
    --pb-accent-50: #fff5e6;
    --pb-bg: #f7f6fb;
    --pb-surface: #ffffff;
    --pb-border: #e8e5f0;
    --pb-text: #1f2333;
    --pb-text-2: #464b5e;
    --pb-muted: #6c7287;
    --pb-success: #1f9d55;
    --pb-radius: 18px;
    --pb-radius-sm: 12px;
    --pb-shadow: 0 1px 2px rgba(42, 33, 68, .05), 0 6px 20px rgba(42, 33, 68, .06);
    --pb-shadow-lg: 0 18px 44px rgba(42, 33, 68, .14);
    font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color: var(--pb-text);
    background: var(--pb-bg);
    display: block;
    width: 100%;
    overflow-x: clip;
}
.psta-blog *, .psta-blog *::before, .psta-blog *::after { box-sizing: border-box; }
.psta-blog a { color: var(--pb-primary); text-decoration: none; }
.psta-blog a:hover { color: var(--pb-accent-dark); }
.psta-blog p { color: inherit; }
.psta-blog :focus-visible { outline: 3px solid rgba(255, 153, 0, .55); outline-offset: 2px; border-radius: 6px; }
.pb-sr { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.pb-container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.pb-narrow { max-width: 820px; }
.pb-muted { color: var(--pb-muted); font-size: .92rem; }

/* ---------- Buttons / pills / tags ---------- */
.pb-btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .72rem 1.3rem; border-radius: 12px; font-weight: 600; font-size: .95rem; line-height: 1.2; border: 2px solid transparent; cursor: pointer; transition: all .2s ease; font-family: inherit; text-align: center; }
.pb-btn-primary { background: var(--pb-primary); color: #fff !important; }
.pb-btn-primary:hover { background: var(--pb-light); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(59, 48, 95, .25); }
.pb-btn-accent { background: var(--pb-accent); color: var(--pb-dark) !important; }
.pb-btn-accent:hover { background: var(--pb-accent-dark); color: #fff !important; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255, 153, 0, .35); }
.pb-btn-light { background: #fff; color: var(--pb-primary) !important; border-color: var(--pb-100); }
.pb-btn-light:hover { border-color: var(--pb-accent); }
.pb-btn-glass { background: rgba(255, 255, 255, .12); color: #fff !important; border-color: rgba(255, 255, 255, .35); }
.pb-btn-glass:hover { background: rgba(255, 255, 255, .22); }
.pb-btn-block { width: 100%; }
.pb-pill { display: inline-flex; align-items: center; padding: .28rem .75rem; border-radius: 999px; background: var(--pb-50); color: var(--pb-primary) !important; font-size: .76rem; font-weight: 600; letter-spacing: .01em; white-space: nowrap; transition: all .2s; }
.pb-pill:hover { background: var(--pb-primary); color: #fff !important; }
.pb-pill-accent { background: var(--pb-accent); color: var(--pb-dark) !important; }
.pb-pill-accent:hover { background: #fff; color: var(--pb-dark) !important; }
.pb-tag { display: inline-flex; align-items: center; padding: .32rem .8rem; border-radius: 999px; border: 1px solid var(--pb-border); background: #fff; color: var(--pb-text-2) !important; font-size: .82rem; transition: all .2s; }
.pb-tag::before { content: '#'; color: var(--pb-accent); margin-right: 2px; font-weight: 600; }
.pb-tag:hover { border-color: var(--pb-primary); color: var(--pb-primary) !important; }
.pb-eyebrow { display: inline-block; font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 700; color: var(--pb-accent); margin-bottom: .5rem; }
.pb-eyebrow-dark { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 700; color: var(--pb-accent-dark); margin-bottom: .2rem; }

/* ---------- Avatars ---------- */
.pb-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; }
.pb-avatar-initials { background: linear-gradient(135deg, var(--pb-primary), var(--pb-light)); color: #fff; font-weight: 600; font-size: .85rem; }
.pb-avatar-sm { width: 28px; height: 28px; font-size: .68rem; }
.pb-avatar-lg { width: 80px; height: 80px; font-size: 1.5rem; }
.pb-avatar-xl { width: 96px; height: 96px; font-size: 1.8rem; border: 3px solid rgba(255, 255, 255, .5); }

/* ---------- Breadcrumbs ---------- */
.pb-crumbs ol { display: flex; flex-wrap: wrap; gap: .25rem .45rem; list-style: none; margin: 0 0 1.2rem; padding: 0; font-size: .84rem; }
.pb-crumbs li { display: inline-flex; align-items: center; gap: .45rem; color: rgba(255, 255, 255, .7); }
.pb-crumbs li + li::before { content: '›'; opacity: .6; }
.pb-crumbs a { color: rgba(255, 255, 255, .85) !important; }
.pb-crumbs a:hover { color: var(--pb-accent) !important; }
.pb-crumbs span[aria-current] { color: #fff; font-weight: 500; }

/* ---------- Hero (listing pages) ---------- */
.pb-hero { position: relative; overflow: hidden; color: #fff; padding: 2.6rem 0 2.4rem; background: linear-gradient(120deg, var(--pb-dark) 0%, var(--pb-primary) 58%, var(--pb-light) 100%); }
.pb-hero::before, .pb-hero::after { content: ''; position: absolute; border-radius: 50%; pointer-events: none; }
.pb-hero::before { width: 420px; height: 420px; right: -120px; top: -200px; background: radial-gradient(circle, rgba(255, 153, 0, .35), rgba(255, 153, 0, 0) 70%); }
.pb-hero::after { width: 260px; height: 260px; left: -90px; bottom: -150px; background: rgba(255, 255, 255, .06); }
.pb-hero .pb-container { position: relative; z-index: 1; }
.pb-hero h1 { color: #fff; font-size: clamp(1.9rem, 4.2vw, 3rem); line-height: 1.15; margin: 0 0 .7rem; letter-spacing: -.02em; max-width: 900px; }
.pb-page-note { font-size: .55em; font-weight: 500; opacity: .75; }
.pb-hero-intro { color: rgba(255, 255, 255, .85); font-size: 1.05rem; max-width: 720px; margin: 0 0 1.5rem; line-height: 1.7; }
.pb-hero-author { display: flex; align-items: center; gap: 1.3rem; margin-bottom: 1rem; flex-wrap: wrap; }
.pb-hero-author h1 { margin-bottom: .2rem; }
.pb-hero-role { color: rgba(255, 255, 255, .8); margin: 0 0 .7rem; }
.pb-search { position: relative; display: flex; gap: .5rem; max-width: 640px; background: #fff; padding: .4rem; border-radius: 16px; box-shadow: 0 12px 34px rgba(0, 0, 0, .18); }
.pb-search > i { position: absolute; left: 1.1rem; top: 50%; transform: translateY(-50%); color: var(--pb-muted); }
.pb-search input { flex: 1; min-width: 0; border: 0; outline: 0; font: inherit; font-size: .98rem; padding: .7rem .8rem .7rem 2.4rem; color: var(--pb-text); background: transparent; border-radius: 12px; }
.pb-search .pb-btn { padding: .65rem 1.2rem; }
.pb-chips { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1.4rem; }
.pb-chip { display: inline-flex; align-items: center; gap: .4rem; padding: .42rem .9rem; border-radius: 999px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22); color: #fff !important; font-size: .86rem; font-weight: 500; transition: all .2s; }
.pb-chip span { background: rgba(255, 255, 255, .18); border-radius: 999px; padding: 0 .45rem; font-size: .72rem; }
.pb-chip:hover { background: rgba(255, 255, 255, .2); }
.pb-chip.active { background: var(--pb-accent); border-color: var(--pb-accent); color: var(--pb-dark) !important; }
.pb-chip.active span { background: rgba(42, 33, 68, .15); }

/* ---------- Listing layout ---------- */
.pb-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 2.2rem; padding-top: 2.2rem; padding-bottom: 3.5rem; align-items: start; }
.pb-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin: 0 0 1.1rem; }
.pb-section-head h2 { font-size: 1.35rem; margin: 0; color: var(--pb-dark); position: relative; padding-left: .9rem; }
.pb-section-head h2::before { content: ''; position: absolute; left: 0; top: .2em; bottom: .2em; width: 4px; border-radius: 4px; background: var(--pb-accent); }
.pb-section-head span { color: var(--pb-muted); font-size: .88rem; }
.pb-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem; }
.pb-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- Cards ---------- */
.pb-card { display: flex; flex-direction: column; background: var(--pb-surface); border: 1px solid var(--pb-border); border-radius: var(--pb-radius); overflow: hidden; box-shadow: var(--pb-shadow); transition: transform .25s ease, box-shadow .25s ease; min-width: 0; }
.pb-card:hover { transform: translateY(-4px); box-shadow: var(--pb-shadow-lg); }
.pb-card-media { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--pb-50); }
.pb-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; display: block; }
.pb-card:hover .pb-card-media img { transform: scale(1.045); }
.pb-card-ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--pb-dark), var(--pb-light)); overflow: hidden; }
.pb-card-ph::after { content: ''; position: absolute; width: 60%; aspect-ratio: 1; border-radius: 50%; right: -15%; top: -30%; background: rgba(255, 153, 0, .3); }
.pb-card-ph span { position: relative; z-index: 1; color: #fff; font-weight: 700; font-size: 2rem; letter-spacing: .06em; }
.pb-card-body { display: flex; flex-direction: column; flex: 1; padding: 1.15rem 1.25rem 1.2rem; gap: .55rem; }
.pb-card-meta { display: flex; align-items: center; justify-content: space-between; gap: .6rem; flex-wrap: wrap; font-size: .8rem; color: var(--pb-muted); }
.pb-card-time i { color: var(--pb-accent); }
.pb-card-title { font-size: 1.08rem; line-height: 1.4; margin: 0; font-weight: 600; }
.pb-card-title a { color: var(--pb-dark) !important; }
.pb-card-title a:hover { color: var(--pb-accent-dark) !important; }
.pb-card-excerpt { margin: 0; font-size: .9rem; line-height: 1.65; color: var(--pb-text-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.pb-card-foot { margin-top: auto; padding-top: .8rem; border-top: 1px solid var(--pb-border); display: flex; align-items: center; justify-content: space-between; gap: .6rem; font-size: .8rem; color: var(--pb-muted); }
.pb-author-mini { display: inline-flex; align-items: center; gap: .5rem; color: var(--pb-text-2); font-weight: 500; min-width: 0; }
.pb-author-mini > span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
mark { background: rgba(255, 153, 0, .28); color: inherit; padding: 0 2px; border-radius: 3px; }

/* ---------- Featured ---------- */
.pb-featured { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); background: #fff; border: 1px solid var(--pb-border); border-radius: 22px; overflow: hidden; box-shadow: var(--pb-shadow); margin-bottom: 2.2rem; }
.pb-featured-media { position: relative; display: block; min-height: 300px; background: var(--pb-dark); overflow: hidden; }
.pb-featured-media::before { content: ''; position: absolute; inset: -30px; background: var(--pb-bg, none) center / cover no-repeat; filter: blur(22px) saturate(1.1) brightness(.75); transform: scale(1.05); }
.pb-featured-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; z-index: 1; transition: transform .5s ease; }
.pb-featured:hover .pb-featured-media img { transform: scale(1.03); }
.pb-featured-body { padding: 1.5rem 1.6rem; display: flex; flex-direction: column; gap: .6rem; align-items: flex-start; justify-content: center; }
.pb-featured-flag { display: inline-flex; align-items: center; gap: .4rem; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--pb-accent-dark); }
.pb-featured-title { font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.3; margin: 0; }
.pb-featured-title a { color: var(--pb-dark) !important; }
.pb-featured-title a:hover { color: var(--pb-accent-dark) !important; }
.pb-featured-excerpt { margin: 0; color: var(--pb-text-2); line-height: 1.65; font-size: .93rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.pb-featured .pb-card-foot { width: 100%; border-top: 0; padding-top: 0; }
.pb-featured .pb-btn { margin-top: .3rem; }

/* ---------- Pagination ---------- */
.pb-pagination { display: flex; align-items: center; justify-content: center; gap: .6rem; flex-wrap: wrap; margin-top: 2.2rem; }
.pb-pagination ol { display: flex; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.pb-pagination li a, .pb-pagination li span { display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 42px; padding: 0 .6rem; border-radius: 12px; background: #fff; border: 1px solid var(--pb-border); color: var(--pb-text-2) !important; font-weight: 600; }
.pb-pagination li span[aria-current] { background: var(--pb-primary); border-color: var(--pb-primary); color: #fff !important; }
.pb-pagination li.gap { display: inline-flex; align-items: center; padding: 0 .3rem; color: var(--pb-muted); }
.pb-pagination li a:hover { border-color: var(--pb-accent); color: var(--pb-accent-dark) !important; }
.pb-page-btn { display: inline-flex; align-items: center; gap: .45rem; height: 42px; padding: 0 1rem; border-radius: 12px; background: #fff; border: 1px solid var(--pb-border); font-weight: 600; color: var(--pb-primary) !important; }
.pb-page-btn:hover { border-color: var(--pb-accent); }

/* ---------- Empty state ---------- */
.pb-empty { text-align: center; background: #fff; border: 1px dashed var(--pb-100); border-radius: var(--pb-radius); padding: 3rem 1.5rem; }
.pb-empty-icon { width: 76px; height: 76px; border-radius: 22px; margin: 0 auto 1rem; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--pb-primary); background: var(--pb-50); }
.pb-empty h2 { font-size: 1.3rem; color: var(--pb-dark); margin-bottom: .5rem; }
.pb-empty p { color: var(--pb-muted); max-width: 520px; margin: 0 auto 1.3rem; }

/* ---------- Sidebar widgets ---------- */
.pb-aside { display: flex; flex-direction: column; gap: 1.3rem; position: sticky; top: 90px; }
.pb-widget { background: #fff; border: 1px solid var(--pb-border); border-radius: var(--pb-radius); padding: 1.25rem 1.3rem; box-shadow: var(--pb-shadow); }
.pb-widget-title { font-size: 1rem; margin: 0 0 1rem; color: var(--pb-dark); display: flex; align-items: center; gap: .55rem; }
.pb-widget-title i { color: var(--pb-accent); }
.pb-widget p { font-size: .88rem; color: var(--pb-text-2); margin: 0 0 .9rem; line-height: 1.6; }
.pb-popular { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .15rem; }
.pb-popular a { display: flex; gap: .8rem; align-items: flex-start; padding: .55rem .35rem; border-radius: 10px; }
.pb-popular a:hover { background: var(--pb-50); }
.pb-popular-num { flex-shrink: 0; width: 28px; height: 28px; border-radius: 9px; background: var(--pb-50); color: var(--pb-primary); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: .82rem; }
.pb-popular li:first-child .pb-popular-num { background: var(--pb-accent); color: var(--pb-dark); }
.pb-popular-title { display: block; font-size: .88rem; font-weight: 600; color: var(--pb-dark); line-height: 1.4; }
.pb-popular-sub { display: block; font-size: .75rem; color: var(--pb-muted); margin-top: .15rem; }
.pb-catlist { list-style: none; margin: 0; padding: 0; }
.pb-catlist a { display: flex; justify-content: space-between; align-items: center; padding: .55rem .6rem; border-radius: 10px; color: var(--pb-text-2) !important; font-size: .9rem; }
.pb-catlist a:hover, .pb-catlist a.active { background: var(--pb-50); color: var(--pb-primary) !important; }
.pb-count { background: var(--pb-50); color: var(--pb-primary); border-radius: 999px; font-size: .72rem; font-weight: 700; padding: .1rem .5rem; }
.pb-catlist a.active .pb-count { background: var(--pb-primary); color: #fff; }
.pb-tagcloud { display: flex; flex-wrap: wrap; gap: .45rem; }
.pb-newsletter { background: linear-gradient(140deg, var(--pb-accent-50), #fff 70%); border-color: #ffe2b8; }
.pb-newsletter-form { display: flex; flex-direction: column; gap: .55rem; }
.pb-newsletter-form input { font: inherit; font-size: .92rem; padding: .7rem .9rem; border-radius: 12px; border: 1px solid var(--pb-border); background: #fff; color: var(--pb-text); }
.pb-newsletter-form input:focus { outline: 0; border-color: var(--pb-accent); box-shadow: 0 0 0 3px rgba(255, 153, 0, .2); }
.pb-form-msg { font-size: .85rem; margin: 0; min-height: 1em; }
.pb-form-msg.ok { color: var(--pb-success); }
.pb-form-msg.err { color: #c62828; }
.pb-courses-cta { background: linear-gradient(150deg, var(--pb-dark), var(--pb-primary)); border: 0; color: #fff; }
.pb-courses-cta .pb-widget-title { color: #fff; }
.pb-courses-cta p { color: rgba(255, 255, 255, .8); }
.pb-course-mini { list-style: none; margin: 0 0 1rem; padding: 0; }
.pb-course-mini a { display: flex; gap: .5rem; align-items: baseline; padding: .35rem 0; color: #fff !important; font-size: .88rem; }
.pb-course-mini a i { color: var(--pb-accent); font-size: .7rem; }
.pb-course-mini a:hover { color: var(--pb-accent) !important; }

/* ---------- Post hero ---------- */
.pb-progress { position: fixed; top: 0; left: 0; right: 0; height: 4px; z-index: 1101; background: transparent; pointer-events: none; }
.pb-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--pb-accent), #ffc15c); box-shadow: 0 0 8px rgba(255, 153, 0, .6); transition: width .08s linear; }
.pb-preview-bar { background: #fff3cd; color: #7a5500; padding: .7rem 20px; text-align: center; font-size: .9rem; border-bottom: 1px solid #ffe08a; }
.pb-preview-bar a { margin-left: .6rem; font-weight: 600; color: #7a5500 !important; text-decoration: underline; }
.pb-post-hero { position: relative; overflow: hidden; color: #fff; padding: 2.4rem 0 6.5rem; background: linear-gradient(120deg, var(--pb-dark) 0%, var(--pb-primary) 60%, var(--pb-light) 100%); }
.pb-post-hero::before { content: ''; position: absolute; width: 480px; height: 480px; right: -140px; top: -230px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 153, 0, .32), rgba(255, 153, 0, 0) 70%); }
.pb-post-hero .pb-container { position: relative; z-index: 1; max-width: 1240px; }
.pb-post-title { color: #fff; font-size: clamp(1.8rem, 4.2vw, 2.9rem); line-height: 1.18; letter-spacing: -.02em; margin: .9rem 0 .8rem; max-width: 920px; }
.pb-post-dek { color: rgba(255, 255, 255, .85); font-size: 1.1rem; line-height: 1.7; max-width: 820px; margin: 0 0 1.4rem; }
.pb-post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: .6rem 1.4rem; font-size: .9rem; color: rgba(255, 255, 255, .82); }
.pb-meta-item { display: inline-flex; align-items: center; gap: .45rem; }
.pb-meta-item i { color: var(--pb-accent); }
.pb-meta-updated { background: rgba(255, 153, 0, .16); border: 1px solid rgba(255, 153, 0, .35); padding: .2rem .65rem; border-radius: 999px; color: #fff; }
.pb-byline { display: inline-flex; align-items: center; gap: .7rem; color: #fff !important; margin-right: .3rem; }
.pb-byline .pb-avatar { width: 44px; height: 44px; border: 2px solid rgba(255, 255, 255, .5); }
.pb-byline-name { display: block; font-weight: 600; line-height: 1.2; }
.pb-byline-role { display: block; font-size: .78rem; color: rgba(255, 255, 255, .7); }
a.pb-byline:hover .pb-byline-name { color: var(--pb-accent); }

/* ---------- Post layout ---------- */
.pb-post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 2.6rem; align-items: start; margin-top: -4.5rem; position: relative; z-index: 2; padding-bottom: 2rem; }
.pb-article { background: #fff; border: 1px solid var(--pb-border); border-radius: 22px; box-shadow: var(--pb-shadow); padding: 2rem 2.4rem 2.2rem; min-width: 0; }
.pb-post-figure { margin: -.4rem -.9rem 1.8rem; border-radius: 16px; overflow: hidden; background: var(--pb-50); }
.pb-post-figure img { width: 100%; height: auto; display: block; }
.pb-post-aside { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 1.2rem; max-height: calc(100vh - 100px); }
.pb-toc-card { background: #fff; border: 1px solid var(--pb-border); border-radius: var(--pb-radius); box-shadow: var(--pb-shadow); padding: 1.1rem .9rem 1rem 1.1rem; overflow: auto; min-height: 0; flex: 0 1 auto; }
.pb-toc-title { font-weight: 700; color: var(--pb-dark); font-size: .95rem; margin: 0 0 .7rem; display: flex; align-items: center; gap: .5rem; }
.pb-toc-title i { color: var(--pb-accent); }
.pb-toc-list { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.pb-toc-list li { margin: 0; }
.pb-toc-list a { display: block; padding: .38rem .6rem .38rem .75rem; border-left: 2px solid var(--pb-border); color: var(--pb-text-2) !important; font-size: .86rem; line-height: 1.45; transition: all .15s; }
.pb-toc-list li.lvl-3 a { padding-left: 1.55rem; font-size: .82rem; color: var(--pb-muted) !important; }
.pb-toc-list a:hover { color: var(--pb-primary) !important; background: var(--pb-50); }
.pb-toc-list a.active { border-left-color: var(--pb-accent); color: var(--pb-dark) !important; font-weight: 600; background: var(--pb-accent-50); }
.pb-toc-inline { display: none; background: var(--pb-50); border: 1px solid var(--pb-100); border-radius: 14px; margin: 0 0 1.6rem; }
.pb-toc-inline summary { cursor: pointer; list-style: none; padding: .9rem 1.1rem; font-weight: 600; color: var(--pb-dark); display: flex; align-items: center; gap: .55rem; }
.pb-toc-inline summary::-webkit-details-marker { display: none; }
.pb-toc-inline summary i { color: var(--pb-accent); }
.pb-toc-inline summary span { margin-left: auto; font-size: .78rem; font-weight: 500; color: var(--pb-muted); }
.pb-toc-inline summary::after { content: '\25BE'; color: var(--pb-muted); transition: transform .2s; }
.pb-toc-inline[open] summary::after { transform: rotate(180deg); }
.pb-toc-inline .pb-toc-list { padding: 0 1rem 1rem; }
.pb-aside-cta { background: linear-gradient(150deg, var(--pb-dark), var(--pb-primary)); color: #fff; border-radius: var(--pb-radius); padding: 1.2rem; box-shadow: var(--pb-shadow); flex-shrink: 0; }
.pb-aside-cta p { color: rgba(255, 255, 255, .82); font-size: .86rem; margin: 0 0 .9rem; line-height: 1.55; }
.pb-aside-cta .pb-aside-cta-title { color: #fff; font-weight: 700; font-size: .98rem; margin-bottom: .35rem; }
.pb-aside-cta-title i { color: var(--pb-accent); margin-right: .3rem; }

/* ---------- AEO / GEO boxes ---------- */
.blog-tldr { position: relative; background: linear-gradient(135deg, var(--pb-accent-50), #fff 75%); border: 1px solid #ffdca8; border-left: 5px solid var(--pb-accent); border-radius: 14px; padding: 1.1rem 1.3rem 1.15rem; margin: 0 0 1.6rem; }
.blog-tldr-label { font-size: .78rem !important; text-transform: uppercase; letter-spacing: .14em; color: var(--pb-accent-dark) !important; margin: 0 0 .45rem !important; display: flex; align-items: center; gap: .45rem; font-weight: 700; }
.blog-tldr p { margin: 0; font-size: 1.05rem; line-height: 1.75; color: var(--pb-dark); font-weight: 500; }
.pb-takeaways { background: var(--pb-50); border: 1px solid var(--pb-100); border-radius: 14px; padding: 1.15rem 1.3rem; margin: 0 0 1.8rem; }
.pb-takeaways h2 { font-size: 1.05rem !important; margin: 0 0 .7rem !important; color: var(--pb-dark); display: flex; align-items: center; gap: .5rem; }
.pb-takeaways h2 i { color: var(--pb-accent); }
.pb-takeaways ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.pb-takeaways li { position: relative; padding-left: 1.8rem; line-height: 1.6; color: var(--pb-text); font-size: .98rem; }
.pb-takeaways li::before { content: '\2713'; position: absolute; left: 0; top: .1rem; width: 1.25rem; height: 1.25rem; border-radius: 50%; background: var(--pb-primary); color: #fff; font-size: .72rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }

/* ---------- Article typography (also used in the editor iframe) ---------- */
.blog-content { font-size: 1.07rem; line-height: 1.85; color: #2b2f3e; overflow-wrap: break-word; word-wrap: break-word; }
.blog-content > *:first-child { margin-top: 0; }
.blog-content p { margin: 0 0 1.25rem; color: #2b2f3e; }
.blog-content h2, .blog-content h3, .blog-content h4 { color: var(--pb-dark, #2a2144); line-height: 1.3; font-weight: 700; scroll-margin-top: 96px; letter-spacing: -.01em; }
.blog-content h2 { font-size: 1.6rem; margin: 2.3rem 0 1rem; padding-bottom: .45rem; border-bottom: 2px solid var(--pb-50, #f4f2fa); position: relative; }
.blog-content h2::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 64px; height: 2px; background: var(--pb-accent, #ff9900); }
.blog-content h3 { font-size: 1.28rem; margin: 1.9rem 0 .8rem; }
.blog-content h4 { font-size: 1.08rem; margin: 1.5rem 0 .6rem; }
.blog-content a { color: var(--pb-primary, #3b305f); text-decoration: underline; text-decoration-color: rgba(255, 153, 0, .7); text-decoration-thickness: 2px; text-underline-offset: 3px; font-weight: 500; }
.blog-content a:hover { color: var(--pb-accent-dark, #e68a00); }
.blog-content ul, .blog-content ol { margin: 0 0 1.35rem; padding-left: 1.5rem; list-style: disc; }
.blog-content ol { list-style: decimal; }
.blog-content li { margin: .35rem 0; padding-left: .2rem; }
.blog-content li::marker { color: var(--pb-accent, #ff9900); font-weight: 700; }
.blog-content ul ul, .blog-content ol ol, .blog-content ul ol, .blog-content ol ul { margin: .3rem 0 .3rem; }
.blog-content strong, .blog-content b { color: #1b1f2c; font-weight: 600; }
.blog-content blockquote { margin: 1.6rem 0; padding: 1.1rem 1.4rem 1.1rem 1.5rem; border-left: 5px solid var(--pb-primary, #3b305f); background: var(--pb-50, #f4f2fa); border-radius: 0 14px 14px 0; font-size: 1.08rem; font-style: italic; color: var(--pb-dark, #2a2144); }
.blog-content blockquote p:last-child { margin-bottom: 0; }
.blog-content img { max-width: 100%; height: auto; border-radius: 14px; display: block; margin: 1.6rem auto; }
.blog-content figure { margin: 1.8rem 0; }
.blog-content figure img { margin: 0 auto; }
.blog-content figure.image { display: table; margin-left: auto; margin-right: auto; }
.blog-content figcaption { caption-side: bottom; text-align: center; font-size: .85rem; color: var(--pb-muted, #6c7287); margin-top: .6rem; }
.blog-content hr { border: 0; height: 1px; background: var(--pb-border, #e8e5f0); margin: 2.2rem 0; }
.blog-content code { font-family: 'JetBrains Mono', 'Fira Code', Consolas, Menlo, monospace; font-size: .88em; background: var(--pb-50, #f4f2fa); color: #b4235a; padding: .12rem .4rem; border-radius: 6px; }
.blog-content pre { background: #1f1b2e; color: #eeeaf8; padding: 1.1rem 1.25rem; border-radius: 14px; overflow-x: auto; margin: 1.5rem 0; font-size: .9rem; line-height: 1.65; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .05); }
.blog-content pre code { background: transparent; color: inherit; padding: 0; font-size: inherit; }
.blog-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.6rem 0; border-radius: 14px; border: 1px solid var(--pb-border, #e8e5f0); }
.blog-content table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 0; min-width: 480px; background: #fff; }
.blog-content > table { margin: 1.6rem 0; }
.blog-content th { background: var(--pb-primary, #3b305f); color: #fff; font-weight: 600; text-align: left; padding: .75rem 1rem; }
.blog-content td { padding: .7rem 1rem; border-top: 1px solid var(--pb-border, #e8e5f0); vertical-align: top; }
.blog-content tbody tr:nth-child(even) td { background: #faf9fd; }
.blog-content caption { caption-side: bottom; padding: .6rem; font-size: .85rem; color: var(--pb-muted, #6c7287); }
.blog-embed { position: relative; aspect-ratio: 16 / 9; margin: 1.6rem 0; border-radius: 14px; overflow: hidden; background: #000; }
.blog-embed iframe { position: absolute; inset: 0; width: 100% !important; height: 100% !important; border: 0; }
.blog-content video { max-width: 100%; border-radius: 14px; }
.blog-content .blog-lead { font-size: 1.18rem; color: var(--pb-dark, #2a2144); line-height: 1.75; }
.blog-content .blog-callout, .blog-content .blog-callout-tip, .blog-content .blog-callout-warning { padding: 1rem 1.2rem; border-radius: 12px; margin: 1.4rem 0; border: 1px solid; }
.blog-content .blog-callout { background: var(--pb-50, #f4f2fa); border-color: var(--pb-100, #e7e3f3); }
.blog-content .blog-callout-tip { background: #eaf8f0; border-color: #bfe8d0; }
.blog-content .blog-callout-warning { background: #fff5e6; border-color: #ffd89c; }
.blog-content .blog-callout-tip::before { content: 'Tip: '; font-weight: 700; color: #1f9d55; }
.blog-content .blog-callout-warning::before { content: 'Note: '; font-weight: 700; color: #b45309; }
.blog-content .blog-stat { font-size: 1.25rem; font-weight: 700; color: var(--pb-primary, #3b305f); border-left: 4px solid var(--pb-accent, #ff9900); padding-left: 1rem; }
.blog-content details { background: var(--pb-50, #f4f2fa); border-radius: 12px; padding: .8rem 1rem; margin: 1rem 0; }
.blog-content kbd { background: #fff; border: 1px solid #ccc; border-bottom-width: 2px; border-radius: 5px; padding: .05rem .4rem; font-size: .85em; }

/* ---------- HowTo / FAQ / sources ---------- */
.pb-howto, .pb-faq, .pb-sources { margin-top: 2.4rem; }
.pb-howto h2, .pb-faq h2, .pb-sources h2 { font-size: 1.45rem; color: var(--pb-dark); margin: 0 0 1rem; display: flex; align-items: center; gap: .55rem; }
.pb-sources h2 { font-size: 1.1rem; }
.pb-howto h2 i, .pb-sources h2 i { color: var(--pb-accent); }
.pb-howto-time { color: var(--pb-muted); font-size: .92rem; margin: -.4rem 0 1rem; }
.pb-steps { list-style: none; counter-reset: step; margin: 0; padding: 0; }
.pb-steps li { position: relative; counter-increment: step; padding: 0 0 1.4rem 3.4rem; scroll-margin-top: 96px; }
.pb-steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 2.3rem; height: 2.3rem; border-radius: 50%; background: var(--pb-primary); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 0 5px var(--pb-50); }
.pb-steps li:not(:last-child)::after { content: ''; position: absolute; left: 1.12rem; top: 2.6rem; bottom: .3rem; width: 2px; background: var(--pb-100); }
.pb-steps h3 { font-size: 1.08rem; margin: .35rem 0 .4rem; color: var(--pb-dark); }
.pb-steps p { margin: 0 0 .6rem; color: var(--pb-text-2); line-height: 1.7; }
.pb-steps img { max-width: 100%; border-radius: 12px; margin-top: .5rem; }
.pb-faq-item { border: 1px solid var(--pb-border); border-radius: 14px; margin-bottom: .7rem; background: #fff; overflow: hidden; transition: box-shadow .2s; }
.pb-faq-item[open] { box-shadow: var(--pb-shadow); border-color: var(--pb-100); }
.pb-faq-item summary { cursor: pointer; list-style: none; padding: 1rem 3rem 1rem 1.2rem; position: relative; font-weight: 600; color: var(--pb-dark); line-height: 1.5; }
.pb-faq-item summary::-webkit-details-marker { display: none; }
.pb-faq-item summary::after { content: '+'; position: absolute; right: 1rem; top: 50%; transform: translateY(-50%); width: 1.7rem; height: 1.7rem; border-radius: 50%; background: var(--pb-50); color: var(--pb-primary); display: flex; align-items: center; justify-content: center; font-size: 1.15rem; font-weight: 500; transition: all .2s; }
.pb-faq-item[open] summary::after { content: '\2212'; background: var(--pb-accent); color: var(--pb-dark); }
.pb-faq-answer { padding: 0 1.2rem 1.1rem; color: var(--pb-text-2); line-height: 1.75; }
.pb-faq-answer p { margin: 0 0 .7rem; }
.pb-faq-answer p:last-child { margin-bottom: 0; }
.pb-sources ol { margin: 0; padding-left: 1.3rem; font-size: .92rem; color: var(--pb-text-2); }
.pb-sources li { margin: .35rem 0; }
.pb-sources li::marker { color: var(--pb-muted); }
.pb-sources cite { font-style: normal; }
.pb-sources a { text-decoration: underline; text-decoration-color: var(--pb-100); text-underline-offset: 3px; }
.pb-src-host { color: var(--pb-muted); font-size: .8rem; margin-left: .3rem; }
.pb-reviewed { display: flex; gap: .55rem; align-items: flex-start; margin: 2.2rem 0 0; padding: .8rem 1rem; background: #f3faf6; border: 1px solid #cdeedb; border-radius: 12px; font-size: .86rem; color: #25603f; line-height: 1.55; }
.pb-reviewed i { color: var(--pb-success); margin-top: .2rem; }

/* ---------- Tags / share ---------- */
.pb-post-tags { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; margin-top: 1.6rem; }
.pb-post-tags > i { color: var(--pb-muted); margin-right: .2rem; }
.pb-share { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-top: 1.5rem; padding-top: 1.4rem; border-top: 1px solid var(--pb-border); }
.pb-share-label { font-weight: 600; color: var(--pb-dark); margin-right: .4rem; font-size: .92rem; }
.pb-share-btn { width: 42px; height: 42px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: #fff !important; border: 0; cursor: pointer; font-size: 1rem; transition: transform .2s, box-shadow .2s; font-family: inherit; }
.pb-share-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 18px rgba(0, 0, 0, .18); }
.pb-share-btn.wa { background: #25d366; }
.pb-share-btn.fb { background: #1877f2; }
.pb-share-btn.x { background: #111; }
.pb-share-btn.in { background: #0a66c2; }
.pb-share-btn.copy { background: var(--pb-primary); }
.pb-x-logo { font-weight: 800; font-size: 1.05rem; font-family: Arial, sans-serif; }
.pb-copy-msg { font-size: .85rem; color: var(--pb-success); }

/* ---------- Author box / course CTA / prev-next ---------- */
.pb-author-box { display: flex; gap: 1.3rem; align-items: flex-start; margin-top: 2rem; padding: 1.5rem; border-radius: 18px; background: var(--pb-50); border: 1px solid var(--pb-100); }
.pb-author-name { font-size: 1.2rem; margin: 0 0 .15rem; }
.pb-author-name a { color: var(--pb-dark) !important; }
.pb-author-role { margin: 0 0 .55rem; color: var(--pb-accent-dark); font-size: .88rem; font-weight: 500; }
.pb-author-bio { margin: 0 0 .7rem; color: var(--pb-text-2); line-height: 1.7; font-size: .94rem; }
.pb-author-links { display: flex; gap: 1.2rem; flex-wrap: wrap; font-size: .88rem; font-weight: 600; }
.pb-course-cta { display: grid; grid-template-columns: 240px minmax(0, 1fr); margin-top: 2rem; border-radius: 20px; overflow: hidden; background: linear-gradient(135deg, var(--pb-dark), var(--pb-primary) 65%, var(--pb-light)); color: #fff; box-shadow: var(--pb-shadow-lg); }
.pb-course-cta-media { position: relative; min-height: 200px; background: var(--pb-light); }
.pb-course-cta-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pb-course-cta-body { padding: 1.5rem 1.6rem; }
.pb-course-cta-body h2 { color: #fff; font-size: 1.35rem; margin: 0 0 .5rem; }
.pb-course-cta-body p { color: rgba(255, 255, 255, .82); font-size: .93rem; line-height: 1.65; margin: 0 0 .8rem; }
.pb-course-price { margin-bottom: 1rem; }
.pb-course-price strong { font-size: 1.35rem; color: var(--pb-accent); }
.pb-course-price s { color: rgba(255, 255, 255, .55); margin-left: .5rem; }
.pb-course-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.pb-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.pb-prevnext a { display: flex; flex-direction: column; gap: .3rem; padding: 1rem 1.2rem; border: 1px solid var(--pb-border); border-radius: 14px; background: #fff; transition: all .2s; }
.pb-prevnext a:hover { border-color: var(--pb-accent); box-shadow: var(--pb-shadow); }
.pb-prevnext a span { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--pb-muted); font-weight: 600; }
.pb-prevnext a strong { color: var(--pb-dark); font-size: .95rem; line-height: 1.4; }
.pb-prevnext a.next { text-align: right; grid-column: 2; }

/* ---------- Related & comments ---------- */
.pb-related { padding: 2.5rem 0 1rem; }
.pb-related h2, .pb-comments h2 { font-size: 1.5rem; color: var(--pb-dark); margin: 0 0 1.3rem; }
.pb-comments { padding: 2rem 0 3.5rem; }
.pb-comments-inner { max-width: calc(100% - 300px - 2.6rem); }
.pb-comment-list, .pb-replies { list-style: none; margin: 0; padding: 0; }
.pb-comment { background: #fff; border: 1px solid var(--pb-border); border-radius: 16px; padding: 1.1rem 1.2rem; margin-bottom: .9rem; }
.pb-comment.is-staff { border-color: #ffd89c; }
.pb-replies { margin-top: .9rem; padding-left: 1.2rem; border-left: 2px solid var(--pb-100); }
.pb-replies:empty { display: none; }
.pb-replies .pb-comment { background: var(--pb-50); margin-bottom: .6rem; }
.pb-comment-head { display: flex; gap: .75rem; align-items: center; margin-bottom: .55rem; }
.pb-comment-author { font-weight: 600; color: var(--pb-dark); margin-right: .35rem; }
.pb-comment-date { display: block; font-size: .78rem; color: var(--pb-muted) !important; }
.pb-badge-staff { background: var(--pb-accent); color: var(--pb-dark); font-size: .68rem; font-weight: 700; border-radius: 999px; padding: .1rem .5rem; vertical-align: middle; }
.pb-comment-body { color: var(--pb-text-2); line-height: 1.7; font-size: .95rem; }
.pb-comment-body p { margin: 0 0 .5rem; }
.pb-reply-btn { background: none; border: 0; color: var(--pb-primary); font-weight: 600; font-size: .84rem; cursor: pointer; padding: .2rem 0; font-family: inherit; }
.pb-reply-btn:hover { color: var(--pb-accent-dark); }
.pb-respond { background: #fff; border: 1px solid var(--pb-border); border-radius: 18px; padding: 1.5rem; margin-top: 1.4rem; box-shadow: var(--pb-shadow); }
.pb-respond h3 { font-size: 1.2rem; margin: 0 0 1rem; color: var(--pb-dark); }
.pb-reply-note { background: var(--pb-50); padding: .5rem .8rem; border-radius: 10px; font-size: .88rem; }
.pb-cancel-reply { background: none; border: 0; color: #c62828; cursor: pointer; font-weight: 600; font-family: inherit; }
.pb-comment-form label { display: block; font-weight: 600; font-size: .86rem; color: var(--pb-text-2); margin: 0 0 .35rem; }
.pb-comment-form small { font-weight: 400; color: var(--pb-muted); }
.pb-comment-form input[type=text], .pb-comment-form input[type=email], .pb-comment-form textarea { width: 100%; font: inherit; font-size: .95rem; padding: .7rem .9rem; border-radius: 12px; border: 1px solid var(--pb-border); background: #fcfcfe; color: var(--pb-text); margin-bottom: .9rem; }
.pb-comment-form input:focus, .pb-comment-form textarea:focus { outline: 0; border-color: var(--pb-accent); box-shadow: 0 0 0 3px rgba(255, 153, 0, .18); background: #fff; }
.pb-comment-form textarea { resize: vertical; min-height: 120px; }
.pb-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.pb-form-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.pb-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.pb-alert { padding: .8rem 1rem; border-radius: 12px; margin-bottom: 1rem; font-size: .92rem; }
.pb-alert.ok { background: #eaf8f0; color: #186b3c; }
.pb-alert.err { background: #fdecee; color: #a1202d; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    .pb-comments-inner { max-width: none; }
    .pb-post-layout { grid-template-columns: minmax(0, 1fr); }
    .pb-post-aside { display: none; }
    .pb-toc-inline { display: block; }
    .pb-layout { grid-template-columns: minmax(0, 1fr); }
    .pb-aside { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
    .pb-featured { grid-template-columns: 1fr; }
    .pb-featured-media { min-height: 0; aspect-ratio: 16 / 9; }
    .pb-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .pb-course-cta { grid-template-columns: 1fr; }
    .pb-course-cta-media { min-height: 0; aspect-ratio: 16 / 9; }
}
@media (max-width: 700px) {
    .pb-container { padding: 0 16px; }
    .pb-hero { padding: 1.8rem 0 1.8rem; }
    .pb-hero-intro { font-size: .98rem; }
    .pb-grid, .pb-grid-3 { grid-template-columns: minmax(0, 1fr); }
    .pb-aside { grid-template-columns: minmax(0, 1fr); }
    .pb-layout { padding-top: 1.5rem; gap: 1.6rem; }
    .pb-featured-body { padding: 1.3rem; }
    .pb-post-hero { padding: 1.6rem 0 4.8rem; }
    .pb-crumb-current { display: none !important; }
    .pb-post-dek { font-size: 1rem; }
    .pb-post-meta { gap: .5rem 1rem; font-size: .84rem; }
    .pb-byline { width: 100%; }
    .pb-post-layout { margin-top: -3.4rem; }
    .pb-article { padding: 1.25rem 1.1rem 1.5rem; border-radius: 18px; }
    .pb-post-figure { margin: -.2rem -.2rem 1.4rem; border-radius: 12px; }
    .blog-content { font-size: 1.02rem; line-height: 1.8; }
    .blog-content h2 { font-size: 1.35rem; margin-top: 2rem; }
    .blog-content h3 { font-size: 1.15rem; }
    .pb-author-box { flex-direction: column; padding: 1.2rem; }
    .pb-prevnext { grid-template-columns: 1fr; }
    .pb-prevnext a.next { grid-column: auto; }
    .pb-form-row { grid-template-columns: 1fr; }
    .pb-search { flex-wrap: nowrap; }
    .pb-search .pb-btn { padding: .6rem .9rem; }
    .pb-section-head { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
    .psta-blog * { transition: none !important; animation: none !important; }
}
@media print {
    .pb-progress, .pb-post-aside, .pb-share, .pb-comments, .pb-related, .pb-course-cta, .pb-aside, .navbar, .site-footer, #back-to-top { display: none !important; }
    .pb-post-hero { background: none; color: #000; padding: 0; }
    .pb-post-title, .pb-post-dek, .pb-post-meta { color: #000; }
    .pb-post-layout { margin: 0; display: block; }
    .pb-article { border: 0; box-shadow: none; padding: 0; }
}