:root{--bg:#fafafa;--paper:#fff;--text:#20242a;--muted:#6b7280;--line:#e5e7eb;--accent:#0b63ce;--max:860px}*{box-sizing:border-box}html{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}body{margin:0;line-height:1.7}.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}.topbar{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.topbar-inner{height:64px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:750;font-size:1.05rem;color:var(--text);text-decoration:none}nav{display:flex;gap:20px}nav a,.footer a,.content a{color:var(--accent)}.hero{padding:58px 0 28px}.hero h1{font-size:clamp(2rem,6vw,3.5rem);line-height:1.05;margin:0 0 12px}.hero p{font-size:1.15rem;color:var(--muted);margin:0}.posts{display:grid;gap:18px;padding-bottom:52px}.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px}.card h2{line-height:1.25;margin:.35rem 0 .65rem}.card h2 a{color:var(--text);text-decoration:none}.card h2 a:hover{color:var(--accent)}time{color:var(--muted);font-size:.92rem}.more,.back{color:var(--accent);text-decoration:none;font-weight:650}.post{background:var(--paper);margin:38px 0 58px;border:1px solid var(--line);border-radius:16px;padding:clamp(24px,5vw,54px)}.post header{margin:28px 0 34px}.post h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.08;margin:0 0 12px}.content{font-size:1.08rem}.content h2,.content h3{line-height:1.25;margin-top:2em}.content img{max-width:100%;height:auto;border-radius:10px;border:1px solid var(--line);cursor:zoom-in}.post-image{margin:2rem 0}.post-image figcaption{text-align:center;color:var(--muted);font-size:.9rem;margin-top:.5rem}.footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.92rem}.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.88);z-index:100;align-items:center;justify-content:center;padding:30px}.lightbox.open{display:flex}.lightbox img{max-width:95vw;max-height:90vh}.lb-close{position:absolute;right:24px;top:14px;background:none;border:0;color:#fff;font-size:42px;cursor:pointer}@media(max-width:600px){nav{gap:12px}.post{margin:20px 0;padding:22px}.hero{padding-top:40px}}

/* v3: stabilne renderowanie grafik */
.post-image{margin:2rem auto;text-align:center;max-width:100%}.post-image img{display:block;margin:0 auto;max-width:100%;width:auto;height:auto;max-height:72vh;object-fit:contain}.image-fallback{display:block;margin:1.5rem 0;padding:1rem;border:1px dashed var(--line);border-radius:10px;color:var(--accent);background:var(--bg);text-align:center}.content>p>.post-image{display:block}