/* Site layout — header, footer, sidebar, content grid, pagination. */

/* --- Layout Shell --- */

/* --- Page Transitions --- */

.app-router {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-router > * {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-router > * > main {
  flex: 1;
}

home-view > main,
blog-list-view > main,
blog-post-view > main,
gallery-post-view > main,
tag-view > main,
tag-index-view > main,
user-view > main,
not-found-view > main,
media-grid-view > main,
media-detail-view > main,
portfolio-view > main,
portfolio-detail-view > main {
  animation: page-enter 0.3s ease-out both;
}

@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  home-view > main,
  blog-list-view > main,
  blog-post-view > main,
  gallery-post-view > main,
  tag-view > main,
  tag-index-view > main,
  user-view > main,
  not-found-view > main,
  media-grid-view > main,
  media-detail-view > main,
  portfolio-view > main,
  portfolio-detail-view > main {
    animation: none;
  }
}

/* --- Site Header --- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-nav) 85%, transparent);
  backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header h1 {
  font-size: var(--text-xl);
  margin: 0;
}

.site-header h1 a {
  color: var(--color-text);
  text-decoration: none;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.site-slogan {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.site-nav {
  display: flex;
  gap: var(--space-md);
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color 0.15s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
}

/* --- Main Content Area --- */

.landing {
  flex: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
  width: 100%;
}

.landing__hero {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.landing__hero h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin: 0 0 var(--space-md);
}

.landing__hero p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 60ch;
}

.landing__section {
  margin-bottom: var(--space-xl);
}

.landing__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.landing__section-header h3 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-lg);
  margin: 0;
}

.landing__section-header a {
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.media-grid--landing {
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}

.landing__blog-list {
  display: flex;
  flex-direction: column;
}

.home-view,
.post-view {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr min(72ch, 100%) 1fr;
  padding: var(--space-xl) var(--space-lg);
}

.home-view > *,
.post-view > * {
  grid-column: 2;
}

/* --- Sidebar (on wide screens) --- */

.site-sidebar {
  padding: var(--space-lg);
  border-left: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.site-sidebar h3 {
  font-size: var(--text-base);
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
}

.site-sidebar .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
  padding: 0;
}

.sidebar-more {
  display: block;
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

/* Wide layout with sidebar */
@media (width >= 1024px) {
  .home-view {
    grid-template-columns: 1fr min(60ch, 100%) 240px;
    gap: var(--space-xl);
  }

  .site-sidebar {
    grid-column: 3;
    grid-row: 1 / -1;
  }
}

/* --- Post List --- */

.post-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.post-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-md);
  align-items: start;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.post-card a {
  display: contents;
}

.post-card__img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-md);
  grid-row: 1 / 3;
}

.post-card h2 {
  font-size: var(--text-lg);
  margin: 0;
  grid-column: 2;
}

.post-card h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.post-card h2 a:hover {
  color: var(--color-primary);
}

.post-card time {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  grid-column: 2;
}

/* --- Post View --- */

.post-header {
  margin-bottom: var(--space-xl);
}

.post-header h1 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin: 0 0 var(--space-sm);
  line-height: 1.2;
}

.post-hero {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.post-author {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text);
}

.post-author:hover {
  color: var(--color-primary);
}

.post-author__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.tag {
  display: inline-block;
  padding: 2px var(--space-sm);
  font-size: var(--text-sm);
  background: var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.tag:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.tag-heading {
  font-size: var(--text-xl);
  margin: 0 0 0 var(--space-md);
  color: var(--color-text-muted);
}

.tag-nav {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* --- Tag Index / Cloud --- */

.tag-index h1 {
  margin-bottom: var(--space-xl);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.tag-cloud__item {
  font-size: calc(var(--text-sm) + min(var(--count), 10) * 0.5px);
  padding: var(--space-xs) var(--space-sm);
}

.tag-count {
  opacity: 0.6;
  font-size: 0.8em;
  margin-left: 2px;
}

/* --- Post Body (rendered markdown) --- */

.post-body {
  line-height: 1.7;
}

.post-body p {
  margin: 0 0 var(--space-md);
}

.post-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
}

.post-body a {
  color: var(--color-primary);
}

.post-body h2,
.post-body h3,
.post-body h4 {
  margin: var(--space-xl) 0 var(--space-sm);
}

/* --- Pagination --- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xl) 0;
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.pagination button,
.pagination .page-num {
  min-width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
  cursor: pointer;
  text-decoration: none;
}

.pagination button:hover,
.pagination .page-num:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination .page-num.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* --- Site Footer --- */

.not-found__content {
  text-align: center;
  padding: var(--space-xl) 0;
}

.not-found__content h1 {
  font-size: 6rem;
  margin: 0;
  color: var(--color-primary);
  line-height: 1;
}

.not-found__content p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin: var(--space-md) 0 var(--space-xl);
}

.user-profile img {
  width: 140px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  float: left;
  margin: var(--space-sm) var(--space-lg) var(--space-md) 0;
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 20px color-mix(in srgb, var(--color-primary) 30%, transparent);
  shape-outside: circle(50% at 50% 50%);
  shape-margin: var(--space-md);
}

.user-profile .post-body img:first-of-type {
  width: 140px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  float: left;
  margin: var(--space-sm) var(--space-lg) var(--space-md) 0;
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 20px color-mix(in srgb, var(--color-primary) 30%, transparent);
  shape-outside: circle(50% at 50% 50%);
  shape-margin: var(--space-md);
}

.user-profile .post-body img:not(:first-of-type) {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: auto;
  border-radius: var(--radius-lg);
  float: none;
  clear: both;
  margin: var(--space-lg) 0;
  border: none;
  box-shadow: 0 4px 20px rgb(0 0 0 / 30%);
  shape-outside: none;
}

.site-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --- Mobile --- */

@media (width <= 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
  }

  .home-view,
  .post-view {
    padding: var(--space-md);
    grid-template-columns: 1fr;
  }

  .site-sidebar {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding: var(--space-md) 0;
  }
}