/* ==========================================================================
   Article page (merged from the original posts' inline styles)
   ========================================================================== */
.reading-bar {
  position: fixed; inset-block-start: 0; inset-inline: 0; height: 3px; z-index: 80;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  transform: scaleX(0); transform-origin: right;
  transition: transform .1s linear;
}
.article-wrap { max-width: 820px; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.article-head { padding-block: clamp(2rem, 5vw, 3rem) 1.5rem; }
.article-head .cat-badge {
  display: inline-block; color: var(--cyan); font-weight: 700; font-size: .85rem;
  padding: .3rem .9rem; border: 1px solid rgba(45,212,255,.3);
  background: rgba(45,212,255,.06); border-radius: 100px; margin-bottom: 1rem;
}
.article-head h1 { font-size: clamp(1.7rem, 4.5vw, 2.6rem); line-height: 1.35; margin-bottom: 1rem; }
.article-meta {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  color: var(--muted); font-size: .9rem; padding-block: 1rem;
  border-block: 1px solid var(--line);
}
.article-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--muted); }
.article-meta b { color: var(--text); font-weight: 500; }

.article-body { padding-block: 2rem 1rem; font-size: 1.06rem; line-height: 2; }
.article-body h2 {
  font-size: clamp(1.3rem, 3vw, 1.7rem); margin-block: 2.4rem 1rem;
  padding-inline-start: .9rem; position: relative;
}
.article-body h2::before {
  content: ""; position: absolute; inset-inline-start: 0; inset-block: .2em;
  width: 4px; border-radius: 4px; background: linear-gradient(var(--cyan), var(--cyan-dim));
}
.article-body h3 { font-size: 1.2rem; margin-block: 1.8rem .6rem; color: var(--cyan); }
.article-body p { color: #cfd7e6; margin-bottom: 1.1rem; }
.article-body strong { color: var(--white); font-weight: 700; }
.article-body a:not(.btn) { color: var(--cyan); text-decoration: none; border-bottom: 1px dashed rgba(45,212,255,.45); }
.article-body a:not(.btn):hover { border-bottom-style: solid; }

.article-body ul.check { margin: 1rem 0 1.4rem; display: grid; gap: .7rem; list-style: none; padding: 0; }
.article-body ul.check li { position: relative; padding-inline-start: 1.9rem; color: #cfd7e6; }
.article-body ul.check li::marker { content: none; }
.article-body ul.check li::before {
  content: ""; position: absolute; inset-inline-start: 0; inset-block-start: .5em;
  width: 12px; height: 7px; box-sizing: border-box;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}
.article-body ul.cross { margin: 1rem 0 1.4rem; display: grid; gap: .7rem; list-style: none; padding: 0; }
.article-body ul.cross li { position: relative; padding-inline-start: 1.9rem; color: #cfd7e6; }
.article-body ul.cross li::marker { content: none; }
.article-body ul.cross li::before {
  content: "×"; position: absolute; inset-inline-start: 0; inset-block-start: -.05em;
  color: var(--amber); font-weight: 900; font-size: 1.25rem; line-height: 1.6;
}

/* Numbered tip cards */
.tip-grid { display: grid; gap: 1rem; margin-block: 1.6rem; }
.tip-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: linear-gradient(160deg, var(--panel), var(--ink-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.3rem;
  transition: border-color .2s, transform .2s;
}
.tip-card:hover { border-color: rgba(45,212,255,.35); transform: translateY(-2px); }
.tip-card .n {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 900; font-size: 1.1rem;
  color: var(--cyan); background: rgba(45,212,255,.08); border: 1px solid rgba(45,212,255,.25);
}
.tip-card h3 { margin: 0 0 .3rem; color: var(--white); font-size: 1.08rem; }
.tip-card p { margin: 0; color: var(--muted); font-size: .96rem; }

/* Step list */
.steps { counter-reset: step; display: grid; gap: .9rem; margin-block: 1.4rem; padding: 0; }
.steps li {
  counter-increment: step; position: relative; padding-inline-start: 2.6rem;
  color: #cfd7e6; list-style: none;
}
.steps li::before {
  content: counter(step); position: absolute; inset-inline-start: 0; inset-block-start: .35em;
  width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center;
  font-size: .85rem; font-weight: 800; color: #0b0f18; background: var(--cyan);
}
.steps.danger li::before { background: #ff6b6b; }

/* Callout */
.callout {
  display: flex; gap: 1rem; align-items: flex-start;
  background: linear-gradient(160deg, rgba(255,176,32,.08), var(--panel));
  border: 1px solid rgba(255,176,32,.3);
  border-radius: var(--radius); padding: 1.3rem 1.4rem; margin-block: 1.8rem;
}
.callout svg { width: 28px; height: 28px; color: var(--amber); flex-shrink: 0; margin-top: .2rem; }
.callout p { margin: 0; color: #e6ebf5; }
.callout b { color: var(--amber); }
.callout.danger { background: linear-gradient(160deg, rgba(255,80,80,.10), var(--panel)); border-color: rgba(255,90,90,.35); }
.callout.danger svg { color: #ff6b6b; }
.callout.danger b { color: #ff8a8a; }

/* Periodic checklist columns */
.season-grid { display: grid; gap: 1rem; margin-block: 1.6rem; }
@media (min-width: 700px) { .season-grid { grid-template-columns: 1fr 1fr; } }
.season-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.3rem 1.4rem;
}
.season-card h3 { margin-top: 0; }
.season-card ul { margin: 0; padding: 0; display: grid; gap: .55rem; list-style: none; }
.season-card li { color: var(--muted); font-size: .95rem; position: relative; padding-inline-start: 1.2rem; }
.season-card li::before {
  content: ""; position: absolute; inset-inline-start: 0; inset-block-start: .75em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--cyan);
}

/* Symptom table */
.tbl-wrap { overflow-x: auto; margin-block: 1.5rem; }
.tbl-wrap table {
  width: 100%; border-collapse: collapse; direction: rtl; text-align: right;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.tbl-wrap th, .tbl-wrap td { padding: .85rem 1rem; border-bottom: 1px solid var(--line); font-size: .96rem; }
.tbl-wrap th { color: var(--white); background: rgba(45,212,255,.06); font-weight: 700; }
.tbl-wrap td { color: var(--muted); }
.tbl-wrap tr:last-child td { border-bottom: none; }

/* FAQ accordion */
.faq { display: grid; gap: .7rem; margin-block: 1.4rem; }
.faq details {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0 1.2rem; transition: border-color .2s;
}
.faq details[open] { border-color: rgba(45,212,255,.35); }
.faq summary {
  cursor: pointer; list-style: none; padding-block: 1rem; font-weight: 700;
  color: var(--white); display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--cyan); font-size: 1.35rem; font-weight: 400; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 1rem; color: var(--muted); font-size: .98rem; }

/* Sources */
.sources { margin-block: 1.4rem; display: grid; gap: .6rem; list-style: none; padding: 0; }
.sources li { color: var(--muted); font-size: .95rem; padding-inline-start: 1.2rem; position: relative; }
.sources li::before {
  content: ""; position: absolute; inset-inline-start: 0; inset-block-start: .8em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--cyan);
}

/* CTA card */
.article-cta {
  margin-block: 2.5rem; padding: 1.8rem; text-align: center;
  background: radial-gradient(500px 200px at 50% 0%, rgba(45,212,255,.12), transparent 70%), var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.article-cta h3 { color: var(--white); margin-bottom: .5rem; }
.article-cta p { color: var(--muted); margin-bottom: 1.2rem; }

/* Related */
.related { margin-block: 2rem; }
.related h2 { margin-bottom: 1rem; }
.related-grid { display: grid; gap: .8rem; }
.related-grid a {
  display: block; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.2rem; color: var(--white);
  font-weight: 600; transition: border-color .2s, transform .2s;
}
.related-grid a:hover { border-color: rgba(45,212,255,.35); transform: translateY(-2px); }
.related-grid span { display: block; color: var(--muted); font-weight: 400; font-size: .92rem; margin-top: .25rem; }

/* Footer / share */
.article-foot { border-top: 1px solid var(--line); margin-top: 2rem; padding-block: 1.5rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.share { display: flex; gap: .6rem; }
.share a { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px;
  display: grid; place-items: center; color: var(--muted); transition: .15s; }
.share a:hover { border-color: var(--cyan); color: var(--cyan); }
.share svg { width: 18px; height: 18px; }

/* ---- Additions: TOC, share, mobile ---- */
.article-head .cat-badge:hover { background: rgba(45,212,255,.12); }
.article-head .crumbs { margin-bottom: 1rem; }
.toc { margin-block: 1.5rem .5rem; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.toc summary { cursor: pointer; list-style: none; padding: 1rem 1.2rem; font-weight: 800; color: var(--white);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.toc summary small { color: var(--muted); font-weight: 500; margin-inline-start: .4rem; }
.toc summary::-webkit-details-marker { display: none; }
.toc summary::after { content: "+"; color: var(--cyan); font-size: 1.4rem; font-weight: 400; line-height: 1; }
.toc[open] summary::after { content: "–"; }
.toc ol { counter-reset: toc; padding: 0 1.2rem 1.1rem; display: grid; gap: .35rem; }
.toc li { counter-increment: toc; display: flex; gap: .6rem; font-size: .95rem; }
.toc li::before { content: counter(toc, persian) "."; color: var(--cyan); font-weight: 700; min-width: 1.4rem; }
.toc a { color: var(--muted); transition: color .15s; }
.toc a:hover { color: var(--cyan); }
.article-body h2 { scroll-margin-top: calc(var(--header-h) + 16px); }
.share { align-items: center; }
.share-label { color: var(--muted); font-size: .88rem; margin-inline-end: .2rem; }
.share button { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: none; cursor: pointer;
  display: grid; place-items: center; color: var(--muted); transition: .15s; }
.share button:hover, .share button.is-done { border-color: var(--cyan); color: var(--cyan); }
.share button svg { width: 18px; height: 18px; }
.related h2 { font-size: clamp(1.25rem, 3vw, 1.6rem); }
.article-body .article-cta .btn { margin-inline: auto; }
@media (max-width: 600px) {
  .article-body { font-size: 1rem; line-height: 1.95; }
  .article-meta { gap: .6rem .9rem; font-size: .85rem; }
  .callout { padding: 1rem 1.05rem; gap: .75rem; }
  .tip-card { padding: 1rem; }
  .article-foot { flex-direction: column; align-items: stretch; }
  .article-foot .btn { justify-content: center; }
  .share { justify-content: center; }
}
.admin-strip { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; padding: .6rem 1rem;
  font-size: .9rem; background: var(--panel-2); border-bottom: 1px solid var(--line); color: var(--muted); }
.admin-strip.is-preview { background: rgba(255,176,32,.12); color: #fde3a7; border-color: rgba(255,176,32,.35); }
.admin-strip a { color: var(--cyan); font-weight: 700; }