/* Blog typography: book-like Chinese serif for headings and body text. */
html,
body,
input,
button,
textarea,
.markdown-body {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif !important;
  font-weight: 400;
}

h1,
h2,
h3,
h4,
h5,
h6,
.site-title,
.banner-title,
.post-title,
.post-card-title {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif !important;
  font-weight: 600 !important;
}

/* Keep source code aligned with a monospace font. */
code,
pre,
kbd,
samp {
  font-family: "Source Code Pro", Consolas, Monaco, "Microsoft YaHei", monospace !important;
}

/* Refined tag list and word cloud. */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin: 1.5rem auto 1.25rem;
}

.tag-list .tag-list-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin: 0 !important;
  padding: 0.42rem 0.8rem;
  border: 1px solid color-mix(in srgb, currentColor 25%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--hty-bg-color, #fff) 84%, transparent);
  box-shadow: 0 4px 14px rgba(54, 72, 110, 0.07);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.tag-list .tag-list-item:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, currentColor 9%, var(--hty-bg-color, #fff));
  box-shadow: 0 8px 22px rgba(54, 72, 110, 0.14);
}

.tag-list .tag-list-count {
  min-width: 1.25rem;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
  background: color-mix(in srgb, currentColor 12%, transparent);
  font-size: 0.72rem;
  text-align: center;
}

.tag-list .tag-list-count::before,
.tag-list .tag-list-count::after {
  content: none !important;
}

.wordcloud {
  position: relative;
  box-sizing: border-box;
  max-width: 100%;
  margin: 1.5rem auto 0 !important;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid rgba(116, 132, 168, 0.16);
  border-radius: 24px;
  background:
    radial-gradient(circle at 15% 20%, rgba(91, 124, 250, 0.11), transparent 32%),
    radial-gradient(circle at 85% 78%, rgba(209, 107, 134, 0.1), transparent 30%),
    color-mix(in srgb, var(--hty-bg-color, #fff) 82%, transparent);
  box-shadow: 0 16px 45px rgba(54, 72, 110, 0.1);
}

.wordcloud::before {
  content: "TAG CLOUD";
  position: absolute;
  top: 1rem;
  left: 1.2rem;
  color: rgba(91, 124, 250, 0.45);
  font: 600 0.68rem/1 "Source Code Pro", Consolas, monospace;
  letter-spacing: 0.18em;
  pointer-events: none;
}

#wordcloud-canvas {
  display: block;
  max-width: 100%;
  margin: 0 auto;
  cursor: pointer;
  filter: saturate(0.92);
  transition: filter 180ms ease, transform 180ms ease;
}

#wordcloud-canvas.is-hovering {
  filter: saturate(1.12);
}

/* The canvas only draws particles; clicks pass through to the page listener. */
canvas.fireworks {
  pointer-events: none;
}

/* Keep navigation responsive while softly transitioning only the page content. */
#content {
  transition:
    opacity 240ms ease-out,
    transform 240ms ease-out;
}

#content.page-transition-leaving,
#content.page-transition-entering {
  will-change: opacity, transform;
}

#content.page-transition-leaving {
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition-duration: 120ms;
  transition-timing-function: ease-in;
}

#content.page-transition-entering {
  opacity: 0;
  transform: translateY(8px);
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  #content,
  #content.page-transition-leaving,
  #content.page-transition-entering {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Random friendship quote on the links page. */
.friendship-quote {
  position: relative;
  max-width: 38rem;
  margin: 2.75rem auto 0;
  padding: 0.2rem 2.25rem;
  color: var(--hty-text-color, #555);
  text-align: center;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.friendship-quote.is-visible {
  opacity: 0.78;
  transform: translateY(0);
}

.friendship-quote::before,
.friendship-quote::after {
  position: absolute;
  top: -0.35rem;
  color: var(--primary-color, #8e71c1);
  font: 400 2.4rem/1 Georgia, serif;
  opacity: 0.3;
}

.friendship-quote::before {
  left: 0;
  content: "“";
}

.friendship-quote::after {
  right: 0;
  content: "”";
}

.friendship-quote-text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

.friendship-quote-author {
  display: block;
  margin-top: 0.45rem;
  color: var(--hty-secondary-text-color, #888);
  font-size: 0.82rem;
  font-style: normal;
  letter-spacing: 0.08em;
}

@media (max-width: 576px) {
  .wordcloud {
    padding: 0.5rem;
    border-radius: 18px;
  }

  .tag-list {
    gap: 0.45rem;
  }

  .tag-list .tag-list-item {
    padding: 0.35rem 0.65rem;
    font-size: 0.9rem;
  }
}