/* ═══════════════════════════════════════════════
   PT BLOG — Professional Blog Styles
   ═══════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --ptb-bg:       #0f172a;
  --ptb-card:     #1e293b;
  --ptb-border:   rgba(255,255,255,.08);
  --ptb-orange:   #f97316;
  --ptb-orange2:  #ea6c0a;
  --ptb-text:     #e2e8f0;
  --ptb-muted:    #94a3b8;
  --ptb-head:     #f1f5f9;
  --ptb-radius:   14px;
  --ptb-shadow:   0 4px 24px rgba(0,0,0,.4);
}

/* ── Blog Page Layout ── */
.ptb-page { background: var(--ptb-bg); min-height: 100vh; }

/* ── Hero ── */
.ptb-hero {
  background: linear-gradient(135deg,#0f172a 0%,#1e293b 60%,#0f172a 100%);
  border-bottom: 1px solid var(--ptb-border);
  padding: 64px 0 48px;
  position: relative;
  overflow: hidden;
}
.ptb-hero::before {
  content:'';
  position:absolute;inset:0;
  background: radial-gradient(ellipse 60% 80% at 70% 50%, rgba(249,115,22,.12) 0%, transparent 70%);
  pointer-events:none;
}
.ptb-hero__inner { position:relative;z-index:1;text-align:center; }
.ptb-hero__tag {
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(249,115,22,.12);border:1px solid rgba(249,115,22,.3);
  color:var(--ptb-orange);font-size:.8rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:5px 14px;border-radius:50px;margin-bottom:16px;
}
.ptb-hero__title {
  font-size:clamp(2rem,5vw,3.5rem);font-weight:800;color:var(--ptb-head);
  letter-spacing:-.03em;line-height:1.1;margin:0 0 12px;
}
.ptb-hero__title span { color:var(--ptb-orange); }
.ptb-hero__sub { color:var(--ptb-muted);font-size:1.05rem;max-width:520px;margin:0 auto 0; }

/* ── Container ── */
.ptb-container { max-width:1220px;margin:0 auto;padding:0 20px; }

/* ── Category Filter ── */
.ptb-filter-wrap {
  background:rgba(30,41,59,.7);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ptb-border);
  position:sticky;top:0;z-index:50;
}
.ptb-filter {
  display:flex;align-items:center;gap:8px;padding:14px 0;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  white-space:nowrap;
}
.ptb-filter::-webkit-scrollbar { display:none; }
.ptb-filter__btn {
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 18px;border-radius:50px;border:1px solid var(--ptb-border);
  background:transparent;color:var(--ptb-muted);font-size:.85rem;font-weight:600;
  cursor:pointer;transition:all .2s;white-space:nowrap;text-decoration:none;
  flex-shrink:0;
}
.ptb-filter__btn:hover { border-color:var(--ptb-orange);color:var(--ptb-orange); }
.ptb-filter__btn.active {
  background:var(--ptb-orange);border-color:var(--ptb-orange);
  color:#fff;box-shadow:0 0 16px rgba(249,115,22,.4);
}
.ptb-filter__count {
  background:rgba(255,255,255,.15);padding:1px 7px;border-radius:10px;font-size:.75rem;
}
.ptb-filter__btn.active .ptb-filter__count { background:rgba(255,255,255,.25); }

/* ── Posts Section ── */
.ptb-posts-section { padding:48px 0 64px; }

/* ── Posts Grid ── */
.ptb-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  margin-bottom:48px;
}
@media(max-width:1024px){ .ptb-grid{ grid-template-columns:repeat(2,1fr); gap:20px; } }
@media(max-width:600px){  .ptb-grid{ grid-template-columns:1fr; gap:16px; } }

/* ── Post Card ── */
.ptb-card {
  background:var(--ptb-card);
  border:1px solid var(--ptb-border);
  border-radius:var(--ptb-radius);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  text-decoration:none;
}
.ptb-card:hover {
  transform:translateY(-4px);
  box-shadow:0 16px 48px rgba(0,0,0,.5), 0 0 0 1px rgba(249,115,22,.25);
  border-color:rgba(249,115,22,.35);
}
/* Featured post (first card spans 2 cols) */
.ptb-card--featured {
  grid-column:span 2;flex-direction:row;
}
.ptb-card--featured .ptb-card__img-wrap { flex:0 0 55%;max-height:340px; }
.ptb-card--featured .ptb-card__body { padding:28px 28px; }
.ptb-card--featured .ptb-card__title { font-size:1.45rem; }
@media(max-width:900px){
  .ptb-card--featured { grid-column:span 1;flex-direction:column; }
  .ptb-card--featured .ptb-card__img-wrap { flex:none;max-height:240px; }
}

/* Image wrapper */
.ptb-card__img-wrap {
  position:relative;overflow:hidden;
  aspect-ratio:16/9;background:#0f172a;
}
.ptb-card--featured .ptb-card__img-wrap { aspect-ratio:auto; }
.ptb-card__img {
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;display:block;
}
.ptb-card:hover .ptb-card__img { transform:scale(1.06); }
.ptb-card__no-img {
  width:100%;height:100%;min-height:200px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1e293b,#0f172a);
  font-size:3rem;color:rgba(249,115,22,.3);
}

/* Category badge on image */
.ptb-card__cat-badge {
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-block;padding:4px 12px;border-radius:50px;
  font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  background:var(--ptb-orange);color:#fff;
  box-shadow:0 2px 8px rgba(0,0,0,.3);
}

/* Card body */
.ptb-card__body { padding:20px;flex:1;display:flex;flex-direction:column; }
.ptb-card__title {
  font-size:1.05rem;font-weight:700;color:var(--ptb-head);line-height:1.4;
  margin:0 0 10px;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s;
}
.ptb-card:hover .ptb-card__title { color:var(--ptb-orange); }
.ptb-card__excerpt {
  font-size:.875rem;color:var(--ptb-muted);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;margin-bottom:16px;
}
.ptb-card__footer {
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--ptb-border);margin-top:auto;
  flex-wrap:wrap;gap:8px;
}
.ptb-card__meta {
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.ptb-card__avatar {
  width:28px;height:28px;border-radius:50%;object-fit:cover;
  background:var(--ptb-orange);display:flex;align-items:center;justify-content:center;
  font-size:.7rem;font-weight:700;color:#fff;flex-shrink:0;
}
.ptb-card__author { font-size:.8rem;font-weight:600;color:var(--ptb-text); }
.ptb-card__sep { color:var(--ptb-border);font-size:.8rem; }
.ptb-card__date { font-size:.78rem;color:var(--ptb-muted); }
.ptb-card__readtime {
  display:flex;align-items:center;gap:4px;
  font-size:.78rem;color:var(--ptb-muted);
}
.ptb-card__read-btn {
  display:inline-flex;align-items:center;gap:4px;
  font-size:.8rem;font-weight:700;color:var(--ptb-orange);
  text-decoration:none;transition:gap .2s;
}
.ptb-card:hover .ptb-card__read-btn { gap:8px; }

/* ── No Posts ── */
.ptb-no-posts {
  text-align:center;padding:64px 20px;color:var(--ptb-muted);
}
.ptb-no-posts__icon { font-size:3rem;margin-bottom:12px;opacity:.4; }

/* ── Pagination ── */
.ptb-pagination {
  display:flex;align-items:center;justify-content:center;
  gap:6px;flex-wrap:wrap;
}
.ptb-pagination a, .ptb-pagination span {
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 12px;
  border-radius:8px;border:1px solid var(--ptb-border);
  background:var(--ptb-card);color:var(--ptb-muted);
  font-size:.875rem;font-weight:600;text-decoration:none;
  transition:all .2s;
}
.ptb-pagination a:hover {
  border-color:var(--ptb-orange);color:var(--ptb-orange);
}
.ptb-pagination .current {
  background:var(--ptb-orange);border-color:var(--ptb-orange);
  color:#fff;box-shadow:0 0 16px rgba(249,115,22,.35);
}
.ptb-pagination .dots { background:transparent;border-color:transparent; }

/* ═══════════════════════════════════
   SINGLE POST
   ═══════════════════════════════════ */
.ptb-single { background:var(--ptb-bg); }

/* Single Hero */
.ptb-single__hero {
  position:relative;min-height:420px;
  display:flex;align-items:flex-end;
  overflow:hidden;
}
.ptb-single__hero-img {
  position:absolute;inset:0;
  width:100%;height:100%;object-fit:cover;
}
.ptb-single__hero-overlay {
  position:absolute;inset:0;
  background:linear-gradient(to top, rgba(15,23,42,.98) 0%, rgba(15,23,42,.7) 40%, rgba(15,23,42,.2) 100%);
}
.ptb-single__hero-inner {
  position:relative;z-index:2;
  padding:40px 0;width:100%;
}
.ptb-single__breadcrumb {
  display:flex;align-items:center;gap:6px;
  font-size:.8rem;color:rgba(255,255,255,.6);margin-bottom:16px;flex-wrap:wrap;
}
.ptb-single__breadcrumb a { color:rgba(255,255,255,.6);text-decoration:none;transition:color .2s; }
.ptb-single__breadcrumb a:hover { color:var(--ptb-orange); }
.ptb-single__breadcrumb span { color:rgba(255,255,255,.3); }
.ptb-single__cats { display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px; }
.ptb-single__cat {
  display:inline-block;padding:4px 14px;border-radius:50px;
  background:var(--ptb-orange);color:#fff;font-size:.75rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.04em;text-decoration:none;
  transition:background .2s;
}
.ptb-single__cat:hover { background:var(--ptb-orange2); }
.ptb-single__title {
  font-size:clamp(1.6rem,4vw,2.8rem);font-weight:800;color:#fff;
  letter-spacing:-.03em;line-height:1.2;margin:0 0 20px;
  max-width:800px;
}
.ptb-single__meta {
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.ptb-single__meta-item {
  display:flex;align-items:center;gap:6px;
  font-size:.83rem;color:rgba(255,255,255,.65);
}
.ptb-single__meta-item svg { flex-shrink:0; }
.ptb-single__meta-avatar {
  width:32px;height:32px;border-radius:50%;object-fit:cover;
  border:2px solid rgba(249,115,22,.4);flex-shrink:0;
  background:var(--ptb-orange);display:inline-flex;
  align-items:center;justify-content:center;
  font-size:.75rem;font-weight:700;color:#fff;
}

/* Single Content Layout */
.ptb-single__layout {
  display:grid;grid-template-columns:1fr 300px;gap:48px;
  padding:48px 0 64px;align-items:start;
}
@media(max-width:1024px){ .ptb-single__layout { grid-template-columns:1fr; gap:32px; } }

/* Content */
.ptb-single__content { min-width:0; }
.ptb-single__body {
  color:var(--ptb-text);font-size:1.05rem;line-height:1.85;
}
.ptb-single__body h1,.ptb-single__body h2,.ptb-single__body h3,
.ptb-single__body h4,.ptb-single__body h5 {
  color:var(--ptb-head);font-weight:700;margin:2rem 0 .75rem;letter-spacing:-.02em;
}
.ptb-single__body h2 { font-size:1.6rem;border-left:3px solid var(--ptb-orange);padding-left:14px; }
.ptb-single__body h3 { font-size:1.3rem; }
.ptb-single__body p { margin-bottom:1.4rem; }
.ptb-single__body a { color:var(--ptb-orange);text-decoration:underline;text-underline-offset:3px; }
.ptb-single__body a:hover { color:var(--ptb-orange2); }
.ptb-single__body ul,.ptb-single__body ol { padding-left:1.5rem;margin-bottom:1.4rem; }
.ptb-single__body li { margin-bottom:.4rem; }
.ptb-single__body blockquote {
  border-left:4px solid var(--ptb-orange);
  background:rgba(249,115,22,.07);
  padding:16px 20px;border-radius:0 8px 8px 0;margin:1.5rem 0;
  font-style:italic;color:var(--ptb-muted);
}
.ptb-single__body img { max-width:100%;border-radius:10px;margin:1rem 0; }
.ptb-single__body pre,.ptb-single__body code {
  background:#0f172a;border:1px solid var(--ptb-border);
  border-radius:6px;font-size:.88rem;color:#7dd3fc;
}
.ptb-single__body pre { padding:16px;overflow-x:auto;margin:1.2rem 0; }
.ptb-single__body code { padding:2px 6px; }
.ptb-single__body table {
  width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.9rem;
}
.ptb-single__body th {
  background:rgba(249,115,22,.1);color:var(--ptb-orange);
  padding:10px 14px;text-align:left;font-weight:700;
  border:1px solid var(--ptb-border);
}
.ptb-single__body td {
  padding:10px 14px;border:1px solid var(--ptb-border);color:var(--ptb-text);
}
.ptb-single__body tr:nth-child(even) td { background:rgba(255,255,255,.03); }

/* Tags */
.ptb-single__tags { margin-top:32px;padding-top:24px;border-top:1px solid var(--ptb-border); }
.ptb-single__tags-title { font-size:.8rem;font-weight:700;color:var(--ptb-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px; }
.ptb-single__tags-list { display:flex;flex-wrap:wrap;gap:8px; }
.ptb-single__tag {
  padding:5px 14px;border-radius:50px;border:1px solid var(--ptb-border);
  color:var(--ptb-muted);font-size:.8rem;text-decoration:none;transition:all .2s;
}
.ptb-single__tag:hover { border-color:var(--ptb-orange);color:var(--ptb-orange); }

/* Share */
.ptb-share { margin-top:28px;padding-top:24px;border-top:1px solid var(--ptb-border); }
.ptb-share__title { font-size:.8rem;font-weight:700;color:var(--ptb-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px; }
.ptb-share__btns { display:flex;gap:10px;flex-wrap:wrap; }
.ptb-share__btn {
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:8px;border:1px solid var(--ptb-border);
  color:var(--ptb-muted);font-size:.82rem;font-weight:600;
  text-decoration:none;cursor:pointer;background:transparent;
  transition:all .2s;
}
.ptb-share__btn:hover { background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.2);color:var(--ptb-text); }
.ptb-share__btn--twitter:hover { border-color:#1da1f2;color:#1da1f2; }
.ptb-share__btn--fb:hover { border-color:#4267B2;color:#4267B2; }
.ptb-share__btn--copy.copied { border-color:#22c55e;color:#22c55e; }

/* Author Box */
.ptb-author-box {
  display:flex;gap:18px;align-items:flex-start;
  background:var(--ptb-card);border:1px solid var(--ptb-border);
  border-radius:var(--ptb-radius);padding:24px;margin-top:36px;
}
.ptb-author-box__avatar {
  width:64px;height:64px;border-radius:50%;object-fit:cover;flex-shrink:0;
  background:var(--ptb-orange);display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;font-weight:800;color:#fff;
}
.ptb-author-box__name { font-size:1rem;font-weight:700;color:var(--ptb-head);margin:0 0 4px; }
.ptb-author-box__bio { font-size:.85rem;color:var(--ptb-muted);line-height:1.5;margin:0; }

/* Sidebar */
.ptb-sidebar { position:sticky;top:20px; }
.ptb-sidebar-widget {
  background:var(--ptb-card);border:1px solid var(--ptb-border);
  border-radius:var(--ptb-radius);padding:20px;margin-bottom:20px;
}
.ptb-sidebar-widget__title {
  font-size:.8rem;font-weight:800;color:var(--ptb-orange);
  text-transform:uppercase;letter-spacing:.05em;
  margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid var(--ptb-border);
}

/* Related posts widget */
.ptb-related-item {
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 0;border-bottom:1px solid var(--ptb-border);text-decoration:none;
}
.ptb-related-item:last-child { border-bottom:none;padding-bottom:0; }
.ptb-related-item:hover .ptb-related-item__title { color:var(--ptb-orange); }
.ptb-related-img {
  width:64px;height:52px;border-radius:8px;object-fit:cover;flex-shrink:0;
  background:rgba(249,115,22,.15);display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;
}
.ptb-related-item__title {
  font-size:.85rem;font-weight:600;color:var(--ptb-text);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s;margin-bottom:4px;
}
.ptb-related-item__date { font-size:.75rem;color:var(--ptb-muted); }

/* Category widget */
.ptb-cat-item {
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0;border-bottom:1px solid var(--ptb-border);text-decoration:none;
  transition:color .2s;
}
.ptb-cat-item:last-child { border-bottom:none; }
.ptb-cat-item:hover { color:var(--ptb-orange); }
.ptb-cat-item__name { font-size:.875rem;font-weight:600;color:var(--ptb-text); }
.ptb-cat-item:hover .ptb-cat-item__name { color:var(--ptb-orange); }
.ptb-cat-item__count {
  background:rgba(249,115,22,.12);color:var(--ptb-orange);
  padding:2px 9px;border-radius:50px;font-size:.75rem;font-weight:700;
}

/* ── Comments ── */
.ptb-comments {
  background:var(--ptb-card);border:1px solid var(--ptb-border);
  border-radius:var(--ptb-radius);padding:28px;margin-top:32px;
}
.ptb-comments .comment-list { list-style:none;padding:0;margin:0 0 24px; }
.ptb-comments .comment { padding:16px 0;border-bottom:1px solid var(--ptb-border); }
.ptb-comments .comment:last-child { border-bottom:none; }
.ptb-comments .comment-author { display:flex;align-items:center;gap:10px;margin-bottom:8px; }
.ptb-comments .avatar { border-radius:50%; }
.ptb-comments .fn a { color:var(--ptb-head);text-decoration:none;font-weight:700; }
.ptb-comments .comment-metadata { font-size:.78rem;color:var(--ptb-muted); }
.ptb-comments .comment-metadata a { color:var(--ptb-muted);text-decoration:none; }
.ptb-comments .comment-content { color:var(--ptb-text);font-size:.9rem;line-height:1.65; }
.ptb-comments .comment-reply-link {
  font-size:.78rem;color:var(--ptb-orange);text-decoration:none;
}
.ptb-comments .comment-form label { display:block;font-size:.82rem;font-weight:600;color:var(--ptb-muted);margin-bottom:6px; }
.ptb-comments .comment-form input[type="text"],
.ptb-comments .comment-form input[type="email"],
.ptb-comments .comment-form textarea {
  width:100%;padding:10px 14px;border-radius:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--ptb-border);
  color:var(--ptb-text);font-size:.9rem;font-family:inherit;
  transition:border-color .2s;outline:none;box-sizing:border-box;
}
.ptb-comments .comment-form input:focus,
.ptb-comments .comment-form textarea:focus { border-color:var(--ptb-orange); }
.ptb-comments .comment-form textarea { resize:vertical;min-height:120px; }
.ptb-comments .form-submit .submit {
  background:var(--ptb-orange);color:#fff;border:none;
  padding:11px 28px;border-radius:8px;font-weight:700;font-size:.9rem;
  cursor:pointer;transition:background .2s;
}
.ptb-comments .form-submit .submit:hover { background:var(--ptb-orange2); }
.ptb-comments .comment-notes { font-size:.8rem;color:var(--ptb-muted); }

/* ── Archive ── */
.ptb-archive-header {
  padding:48px 0 32px;
  border-bottom:1px solid var(--ptb-border);
  margin-bottom:0;
}
.ptb-archive-header h1 {
  font-size:clamp(1.6rem,4vw,2.5rem);font-weight:800;
  color:var(--ptb-head);margin:0 0 8px;letter-spacing:-.02em;
}
.ptb-archive-header p { color:var(--ptb-muted); }
.ptb-archive-pill {
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(249,115,22,.12);border:1px solid rgba(249,115,22,.25);
  color:var(--ptb-orange);padding:4px 14px;border-radius:50px;
  font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
  margin-bottom:12px;
}

/* ── Responsive ── */
@media(max-width:600px) {
  .ptb-hero { padding:40px 0 32px; }
  .ptb-single__hero { min-height:300px; }
  .ptb-single__title { font-size:1.5rem; }
  .ptb-single__layout { padding:24px 0 40px; }
  .ptb-author-box { flex-direction:column; }
  .ptb-share__btns { gap:6px; }
}

.ptb-featured-img-inline {
  margin: 2.5rem 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
}
.ptb-featured-img-inline img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
}