/* ── Post layout ── */
.post-wrap{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start;max-width:1060px;margin:0 auto}
@media(max-width:860px){.post-wrap{grid-template-columns:1fr}.post-sidebar{order:-1}}
.post-wrap>article{min-width:0}

/* ── Post body ── */
.post-body p{margin-bottom:1.2em;line-height:1.8;color:#334155;font-size:16px}
.post-body h2{font-size:1.35em;font-weight:700;color:#0f172a;margin:2em 0 .6em}
.post-body h3{font-size:1.15em;font-weight:600;color:#1e293b;margin:1.6em 0 .5em}
.post-body ul,.post-body ol{margin:0 0 1.2em 1.5em;line-height:1.8;color:#334155;font-size:16px}
.post-body li{margin-bottom:.35em}
.post-body a{color:#1e3a8a;text-decoration:underline}
.post-body a:hover{color:#1e40af}
.post-body code{background:#f1f5f9;padding:2px 6px;border-radius:4px;font-size:.88em;font-family:monospace}
.post-body pre{position:relative;border-radius:10px;overflow:hidden;margin-bottom:1.4em;padding:0}
.post-body pre code.hljs{display:block;border-radius:10px;font-size:14px;padding:20px 24px;line-height:1.65;white-space:pre;overflow-x:auto;word-break:normal;tab-size:4}
.post-body pre code:not(.hljs){background:#1e293b;color:#e2e8f0;border-radius:10px;padding:20px 24px;font-size:14px;display:block;overflow-x:auto}

/* ── Code copy button ── */
.code-copy-btn{position:absolute;top:10px;right:10px;display:flex;align-items:center;gap:5px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#cbd5e1;border-radius:6px;padding:4px 10px;font-size:12px;font-family:inherit;cursor:pointer;transition:all .18s;z-index:2;line-height:1}
.code-copy-btn:hover{background:rgba(255,255,255,.22);color:#fff}
.code-copy-btn.copied{background:#16a34a;border-color:#16a34a;color:#fff}
.post-body blockquote{border-left:4px solid #1e3a8a;padding:12px 20px;margin:0 0 1.4em;background:#f8fafc;color:#475569;font-style:italic}
.post-body img{max-width:100%;border-radius:8px;margin:1em 0}

/* ── Post meta ── */
.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:#64748b;font-size:13.5px;margin-bottom:12px}
.post-meta-dot{color:#cbd5e1}
.read-time{display:inline-flex;align-items:center;gap:5px}

/* ── Back link ── */
.back-link{display:inline-flex;align-items:center;gap:6px;color:#1e3a8a;text-decoration:none;font-size:13.5px;font-weight:500;margin-bottom:32px;opacity:.8}
.back-link:hover{opacity:1;text-decoration:underline}

/* ── Sidebar widgets ── */
.post-sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:90px}
.sidebar-widget{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:20px}
.widget-title{font-size:11px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}

/* ── Topics ── */
.topic-tags{display:flex;flex-wrap:wrap;gap:8px}
.topic-tag{background:#f0f9ff;color:#0369a1;border:1px solid #bae6fd;border-radius:20px;padding:4px 14px;font-size:13px;font-weight:500;text-decoration:none;transition:background .15s}
.topic-tag:hover{background:#e0f2fe;color:#0284c7}

/* ── Share buttons ── */
.share-icons{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.share-icon{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:#fff;border:1.5px solid #e2e8f0;color:#64748b;text-decoration:none;transition:all .18s;cursor:pointer;flex-shrink:0}
.share-icon:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(0,0,0,.13)}
.share-icon.fb:hover{background:#1877f2;border-color:#1877f2;color:#fff}
.share-icon.tw:hover{background:#000;border-color:#000;color:#fff}
.share-icon.li:hover{background:#0a66c2;border-color:#0a66c2;color:#fff}
.share-icon.wa:hover{background:#25d366;border-color:#25d366;color:#fff}
.share-icon.cp:hover{background:#6366f1;border-color:#6366f1;color:#fff}
.copy-link-row{display:flex;align-items:center;gap:6px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:7px 10px;margin-top:2px}
.copy-link-url{font-size:11px;color:#94a3b8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.copy-link-btn{background:none;border:none;cursor:pointer;color:#64748b;display:flex;padding:2px;border-radius:4px;transition:color .15s;flex-shrink:0}
.copy-link-btn:hover{color:#6366f1}
.copy-feedback{font-size:11px;color:#16a34a;display:none;margin-top:6px;text-align:center;font-weight:500}

/* ── About widget ── */
.about-widget{background:#f0f9ff;border-color:#bae6fd}
.about-widget .widget-title{color:#0369a1}
.about-widget p{font-size:13px;color:#0c4a6e;line-height:1.6;margin-bottom:12px}
.about-widget a{font-size:13px;font-weight:600;color:#0284c7;text-decoration:none}