/* override theme TODO: #main forced 100% width on its container */
#main {
  width: 100%;
}

/* hero */
.home-hero {
  margin: 0.5rem 0 2rem;
  padding: 1.1rem 1.35rem;
  border-left: 3px solid var(--blue);
  background: var(--bg2, rgba(127, 127, 127, 0.08));
  border-radius: 4px;
}
.home-hero-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  letter-spacing: 0.01em;
  margin: 0;
}
.home-hero-meta {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--fg4);
  letter-spacing: 0.02em;
}

/* group rhythm */
.post-group {
  margin-top: 2.2rem;
}
.post-group:first-of-type {
  margin-top: 1.2rem;
}
.post-group h3 {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--fg4);
  letter-spacing: 0.08em;
  margin: 0 0 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--bg2, rgba(127, 127, 127, 0.18));
  text-transform: none;
}

/* post link layout */
.post-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.post-group li {
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--bg2, rgba(127, 127, 127, 0.15));
}
.post-group li:last-child {
  border-bottom: 0;
}
.post-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  line-height: 1.55;
}
.post-title {
  flex: 1;
  min-width: 0;
}
.post-link time {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  color: var(--fg4);
  font-size: 0.86rem;
  white-space: nowrap;
}

/* post summary */
.post-summary {
  margin: 0.3rem 0 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--fg4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* tag chips */
.post-tags {
  margin-top: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tag-chip {
  font-size: 0.78rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: var(--bg2, rgba(127, 127, 127, 0.12));
  color: var(--fg4) !important;
  line-height: 1.5;
  transition: background 0.2s ease, color 0.2s ease;
}
.tag-chip:hover {
  background: var(--blue);
  color: #fff !important;
}

/* a11y: skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 0.9rem;
  background: var(--blue);
  color: #fff !important;
  border-radius: 0 0 4px 0;
  z-index: 1000;
}
.skip-link:focus {
  left: 0;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* a11y: focus-visible outlines */
.post-link:focus-visible,
.tag-chip:focus-visible,
.home-hero a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 3px;
}

/* a11y: nudge --fg4 toward higher contrast on light theme */
:root {
  --fg4: #5a5a5a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg4: #a8a8a8;
  }
}

/* image render-hook output */
.post-figure {
  margin: 1.4rem 0;
}
.post-figure picture,
.post-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

/* terms cloud (tags/categories index) */
.terms-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.5rem;
  margin: 1.4rem 0 2.4rem;
  align-items: center;
}
.tag-chip-lg {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  background: var(--bg2, #f3f3f3);
  color: var(--fg2, #333);
  text-decoration: none;
  font-size: calc(0.82rem + min(var(--chip-weight, 1) * 0.04rem, 0.4rem));
  line-height: 1.1;
  transition: background 0.15s ease, transform 0.15s ease;
}
.tag-chip-lg:hover {
  background: var(--blue);
  color: #fff;
  transform: translateY(-1px);
}
.tag-chip-lg .chip-count {
  font-variant-numeric: tabular-nums;
  font-size: 0.72em;
  opacity: 0.7;
}
.tag-chip-lg:hover .chip-count {
  opacity: 0.95;
}
@media (prefers-color-scheme: dark) {
  .tag-chip-lg {
    background: var(--bg2, #1f1f1f);
    color: var(--fg2, #ddd);
  }
}

/* code block + copy button */
.code-block-wrap {
  position: relative;
}
.code-block-wrap:hover .copy-code-btn,
.copy-code-btn:focus-visible {
  opacity: 1;
}
.copy-code-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  line-height: 1.2;
  border: 1px solid var(--bg2, rgba(127, 127, 127, 0.25));
  border-radius: 4px;
  background: var(--bg2, rgba(127, 127, 127, 0.18));
  color: var(--fg2, inherit);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
  z-index: 2;
  font-family: inherit;
}
.copy-code-btn:hover {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.copy-code-btn.copied {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  opacity: 1;
}

/* mobile tweaks */
@media (max-width: 640px) {
  .post-link {
    flex-direction: column;
    gap: 0.15rem;
  }
  .post-link time,
  time {
    margin-left: 0 !important;
    min-width: auto !important;
    font-size: 0.82rem;
  }
  .home-hero {
    padding: 0.9rem 1.05rem;
  }
  .home-hero-desc {
    font-size: 1rem;
  }
  .post-group {
    margin-top: 1.8rem;
  }
}

@media (max-width: 420px) {
  html {
    font-size: 100% !important;
  }
}