.site-grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

#siteGridCanvas,
.site-grid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.site-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(16px, 2.5vw, 28px);
  max-width: 1280px;
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(16px, 2.5vw, 28px) clamp(16px, 3vw, 32px) 48px;
}

.site-sidebar {
  position: sticky;
  top: clamp(16px, 2.5vw, 28px);
  align-self: start;
  display: grid;
  gap: 14px;
  padding: 18px 14px;
  border-radius: 16px;
  background: var(--item_bg_color);
  border: 1px solid rgba(79, 124, 255, 0.1);
  backdrop-filter: blur(14px);
}

html[data-theme="Dark"] .site-sidebar {
  border-color: rgba(220, 228, 240, 0.08);
}

.site-sidebar-brand {
  display: grid;
  gap: 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(79, 124, 255, 0.1);
}

.site-sidebar-brand strong {
  font-family: "ZCOOL XiaoWei", "title", serif;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--item_left_title_color);
}

.site-sidebar-brand span {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--purple_text_color);
}

.site-nav {
  display: grid;
  gap: 6px;
}

.site-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--item_left_text_color);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-nav-item:hover,
.site-nav-item.is-active {
  color: var(--item_left_title_color);
  background: var(--item_hover_color);
  transform: translateX(3px);
}

.site-nav-index {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--purple_text_color);
  min-width: 1.6em;
}

.site-main {
  min-width: 0;
}

.site-main .welcome-shell {
  max-width: none;
  min-height: auto;
  padding: 0;
  margin: 0;
}

.journal-timeline,
.discovery-grid,
.sub-hero {
  user-select: text;
  -webkit-user-select: text;
}

.journal-timeline *,
.discovery-grid *,
.sub-hero * {
  user-select: text;
  -webkit-user-select: text;
}

.journal-timeline {
  display: grid;
  gap: 14px;
}

.journal-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  padding: 20px 22px;
  border-radius: 14px;
  background: var(--item_bg_color);
  border: 1px solid rgba(79, 124, 255, 0.1);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.journal-row:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(79, 124, 255, 0.1);
}

.journal-date {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--purple_text_color);
  font-family: "Outfit", sans-serif;
}

.journal-body h2 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  color: var(--item_left_title_color);
}

.journal-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--item_left_text_color);
  white-space: pre-wrap;
}

.discovery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.discovery-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  border-radius: 14px;
  background: var(--item_bg_color);
  border: 1px solid rgba(79, 124, 255, 0.1);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.discovery-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(79, 124, 255, 0.12);
}

.discovery-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.discovery-card-head h2 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--item_left_title_color);
}

.discovery-card-meta {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--purple_text_color);
  white-space: nowrap;
}

.discovery-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--item_left_text_color);
}

.discovery-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.discovery-repo {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.5;
}

.discovery-repo-label {
  flex: 0 0 auto;
  font-weight: 600;
  color: var(--purple_text_color);
}

.discovery-repo-url {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--purple_text_color);
  font-weight: 500;
  word-break: break-all;
  text-decoration: none;
}

.discovery-repo-url:hover {
  text-decoration: underline;
}

.discovery-card-links a {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--purple_text_color);
  text-decoration: none;
}

.discovery-card-links a:hover {
  text-decoration: underline;
}

.discovery-video {
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.06);
}

.discovery-video video {
  display: block;
  width: 100%;
  max-height: 220px;
  object-fit: cover;
}

@media (max-width: 960px) {
  .site-layout {
    grid-template-columns: 1fr;
  }

  .site-sidebar {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .discovery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .journal-row {
    grid-template-columns: 1fr;
  }

  .site-nav {
    grid-template-columns: 1fr;
  }
}