:root {
  --csz-ink: #18241f;
  --csz-muted: #68746c;
  --csz-paper: #f8f3e9;
  --csz-paper-strong: #fffaf1;
  --csz-green: #2f6f4e;
  --csz-green-dark: #173a2b;
  --csz-gold: #d6a64d;
  --csz-line: rgba(24, 36, 31, 0.12);
  --csz-shadow: 0 24px 72px rgba(24, 36, 31, 0.14);
  --csz-radius: 22px;
}

::selection {
  color: #fff;
  background: var(--csz-green);
}

.csz-article-cover {
  display: block;
  width: 100%;
  min-height: clamp(190px, 32vw, 390px);
  border-radius: var(--csz-radius);
  object-fit: cover;
  background:
    radial-gradient(circle at 82% 14%, rgba(214, 166, 77, 0.38), transparent 24rem),
    linear-gradient(145deg, var(--csz-green-dark), var(--csz-green));
  box-shadow: var(--csz-shadow);
}

.csz-article-cover + figcaption,
.csz-image-caption {
  margin: 10px auto 0;
  color: var(--csz-muted);
  font-size: 13px;
  line-height: 1.65;
  text-align: center;
}

.csz-reading-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
}

.csz-reading-meta > span {
  padding: 6px 10px;
  border: 1px solid var(--csz-line);
  border-radius: 999px;
  color: var(--csz-muted);
  background: rgba(255, 255, 255, 0.68);
  font: 500 12px/1.2 "DM Mono", "JetBrains Mono", monospace;
}

.csz-lightbox-trigger {
  cursor: zoom-in;
}

.csz-lightbox-trigger:focus-visible {
  outline: 3px solid var(--csz-gold);
  outline-offset: 4px;
}

.csz-lightbox {
  position: fixed;
  z-index: 9999;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 48px);
  opacity: 0;
  pointer-events: none;
  background: rgba(7, 12, 10, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: opacity 0.2s ease;
}

.csz-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.csz-lightbox__figure {
  width: min(1100px, 100%);
  max-height: 100%;
  margin: 0;
}

.csz-lightbox__image {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 132px);
  margin: 0 auto;
  border-radius: 14px;
  box-shadow: 0 28px 100px rgba(0, 0, 0, 0.42);
}

.csz-lightbox__caption {
  min-height: 20px;
  margin: 14px auto 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

.csz-lightbox__close {
  position: fixed;
  top: 18px;
  right: 18px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  font: 400 26px/1 sans-serif;
  cursor: pointer;
}

.csz-lightbox__close:hover,
.csz-lightbox__close:focus-visible {
  background: rgba(255, 255, 255, 0.22);
}

body.csz-lightbox-open {
  overflow: hidden !important;
}

@media (prefers-reduced-motion: reduce) {
  .csz-lightbox { transition: none; }
}