/* ============================================================
   article.css — Coinage Blog
   Layout artykułu, typografia, komponenty wspólne
   ============================================================ */

/* ── NAGŁÓWEK ARTYKUŁU ── */
.art-hdr { border-bottom: 1px solid var(--rule); padding: 3rem 2rem 2rem; }
.art-hdr-inner { max-width: var(--content); margin: 0 auto; }
h1.art-title {
  font-family: var(--heading);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.18;
  letter-spacing: -.015em;
  margin-bottom: .6rem;
}
.art-intro-sub {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-dim);
  margin-bottom: .9rem;
}
.art-meta {
  font-family: var(--mono);
  font-size: .52rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: flex;
  gap: .8rem;
  align-items: center;
}
.art-meta::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--green);
}
.art-cats { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-top: .9rem; }
.art-cats-label {
  font-family: var(--mono);
  font-size: .46rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-right: .1rem;
}
.art-cat {
  font-family: var(--mono);
  font-size: .46rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: #e8f4ee;
  color: #1d4a2e;
  border: 1px solid #8fc4a4;
  padding: .22rem .65rem;
  border-radius: 3px;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s;
}
.art-cat:hover { background: #c8e8d8; text-decoration: none; }

/* ── HERO IMAGE ── */
.hero-wrap { max-width: var(--content); margin: 1.8rem auto 0; padding: 0 2rem; }
.hero-wrap img { width: 100%; max-height: 360px; object-fit: cover; border-radius: 4px; }

/* ── TREŚĆ ── */
.art-body { max-width: var(--content); margin: 2rem auto 5rem; padding: 0 2rem; }
.art-body p {
  margin-bottom: .85rem;
  font-size: 1rem;
  color: var(--text);
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}
.art-body p.drop-cap::first-letter {
  font-family: var(--heading);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: .82;
  float: left;
  margin: .06em .12em 0 0;
  color: var(--green);
}
.art-body ul, .art-body ol { margin: 0 0 .85rem 1.5rem; font-size: 1rem; }
.art-body li { margin-bottom: .35rem; }
.art-body strong { font-weight: 700; }
.art-body em { font-style: italic; }
.art-body a { color: var(--green); }
.art-body h2 {
  font-family: var(--heading);
  font-size: 1.22rem;
  font-weight: 700;
  margin: 2.8rem 0 .9rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--green-bdr);
}
.art-body blockquote {
  border-left: 3px solid var(--green);
  padding: .6rem 0 .6rem 1.3rem;
  margin: 1.4rem 0;
  font-style: italic;
  color: var(--text-dim);
  background: #f4faf7;
  border-radius: 0 4px 4px 0;
}
hr.section-hr {
  border: none;
  border-top: 1px solid var(--rule);
  width: 60%;
  margin: 1.8rem auto;
}
.side-note {
  display: block;
  font-size: .82rem;
  color: var(--text-dim);
  font-style: italic;
  margin-top: .2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--rule);
  line-height: 1.6;
}

/* ── BLOKI AKTUALIZACJI ── */
.update-box {
  border-left: 3px solid var(--green);
  background: var(--green-lt);
  border-radius: 0 4px 4px 0;
  padding: .7rem 1rem .7rem 1.1rem;
  margin: .6rem 0;
  font-size: .88rem;
  line-height: 1.6;
}
.update-box ul { margin: .2rem 0 0 1.1rem; padding: 0; }
.update-box ul li { font-size: .88rem; line-height: 1.6; }
.update-date {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 700;
  display: block;
  margin-bottom: .25rem;
}
.updates-older summary {
  font-family: var(--mono);
  font-size: .52rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green);
  cursor: pointer;
  user-select: none;
  padding: .35rem 0;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  list-style: none;
}
.updates-older summary::-webkit-details-marker { display: none; }
.updates-older summary::before {
  content: '▶';
  font-size: .5rem;
  transition: transform .2s;
  display: inline-block;
}
.updates-older[open] summary::before { transform: rotate(90deg); }

/* ── METAL BADGES ── */
.metal {
  position: relative;
  font-family: var(--mono);
  font-size: .46rem;
  font-weight: 700;
  letter-spacing: .05em;
  border-radius: 3px;
  padding: 2px 7px;
  display: inline-block;
  border: 1px solid transparent;
  white-space: nowrap;
  flex-shrink: 0;
}
.metal::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 5px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a18;
  color: #fff;
  font-family: var(--mono);
  font-size: .42rem;
  font-weight: 400;
  letter-spacing: .06em;
  white-space: nowrap;
  padding: 3px 7px;
  border-radius: 3px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s;
  z-index: 999;
}
.metal:hover::after { opacity: 1; }
.metal-Al   { background: #A8AAAD; color: #1a1a1a; border-color: #888; }
.metal-CuNi { background: #78828C; color: #fff;     border-color: #566; }
.metal-B    { background: #A0522D; color: #fff;     border-color: #7a3a1a; }
.metal-M    { background: #B5942A; color: #1a1000;  border-color: #8a6e18; }
.metal-Cu   { background: #B87333; color: #fff;     border-color: #8a5520; }
.metal-Ag   { background: #C0C0C0; color: #1a1a1a;  border-color: #999; }
.metal-Au   { background: #D4AF37; color: #2a1a00;  border-color: #a8880f; }

/* ── ZOOM HINT ── */
.zoom-hint { display: block; text-align: right; margin-top: 3px; line-height: 1; cursor: zoom-in; }
.zoom-hint svg { width: 14px; height: 14px; opacity: .32; vertical-align: middle; transition: opacity .15s; }
.zoom-hint:hover svg { opacity: .7; }

/* ── LIGHTBOX ── */
.lightbox {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,.88);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
.lightbox img {
  max-width: 92%;
  max-height: 92vh;
  border-radius: 4px;
  box-shadow: 0 4px 32px rgba(0,0,0,.6);
}

/* ── INLINE FIGURE ── */
.inline-figure { margin: 1.6rem 0; text-align: center; }
.inline-figure img {
  max-width: 460px;
  width: 100%;
  margin: 0 auto;
  border-radius: 3px;
  cursor: zoom-in;
}
.inline-figure figcaption {
  font-family: var(--serif);
  font-size: .75rem;
  font-style: italic;
  color: var(--text-faint);
  margin-top: .5rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  :root { --content: 100%; }
  .art-hdr { padding: 2.5rem 1.5rem 1.8rem; }
  .art-body { padding: 0 1.5rem; margin-top: 1.8rem; }
  .hero-wrap { padding: 0 1.5rem; }
}
@media (max-width: 640px) {
  .art-hdr { padding: 2rem 1.2rem 1.5rem; }
  .art-body { padding: 0 1.2rem; }
  .hero-wrap { padding: 0 1.2rem; }
  h1.art-title { font-size: 1.6rem; }
  .art-body p.drop-cap::first-letter { font-size: 2.8rem; }
}