/* ===== Reset & base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:        #fdfcf8;
  --color-surface:   #ffffff;
  --color-text:      #2c2c2c;
  --color-muted:     #6b6b6b;
  --color-accent:    #5a7a4a;
  --color-accent-h:  #3d5934;
  --color-tag-bg:    #eef4eb;
  --color-tag-text:  #3d5934;
  --color-border:    #ddd8cc;

  --font-body:   Georgia, 'Times New Roman', serif;
  --font-sans:   system-ui, -apple-system, sans-serif;

  --max-width: 42rem;
  --spacing:   1.5rem;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent-h);
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing);
}

main.container {
  flex: 1;
  padding-block: calc(var(--spacing) * 2);
}

/* ===== Header ===== */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-block: var(--spacing);
}

.site-header .container {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-text);
  margin-right: auto;
}

.site-title:hover {
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-muted);
}

.site-nav a:hover {
  color: var(--color-accent);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--spacing);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rss-link {
  display: flex;
  align-items: center;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.rss-link:hover {
  opacity: 1;
}

/* ===== Typography ===== */
h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.25;
  margin-top: calc(var(--spacing) * 1.5);
  margin-bottom: 0.5em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

p { margin-bottom: 1em; }

/* ===== Home page ===== */
.home-intro {
  margin-bottom: calc(var(--spacing) * 2);
  padding-bottom: calc(var(--spacing) * 1.5);
  border-bottom: 1px solid var(--color-border);
}

.home-intro h1 {
  margin-top: 0;
}

.recent-posts h2 {
  margin-top: 0;
}

/* ===== Post list ===== */
.post-list {
  list-style: none;
  margin-bottom: var(--spacing);
}

.post-list-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.post-list-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 1rem;
  align-items: baseline;
}

.post-list-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  grid-column: 1;
  grid-row: 1;
}

.post-list-title:hover {
  text-decoration: underline;
}

.post-list-date {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-muted);
  white-space: nowrap;
  grid-column: 2;
  grid-row: 1;
}

.post-list-excerpt {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0.3rem 0 0;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.post-list-body .tag-list {
  grid-column: 1 / -1;
  grid-row: 3;
  margin-top: 0.35rem;
}

.post-list-thumb-link {
  flex-shrink: 0;
  display: block;
}

.post-list-thumb {
  display: block;
  width: 80px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  transition: opacity 0.2s ease;
}

.post-list-thumb-link:hover .post-list-thumb {
  opacity: 0.85;
}

/* ===== Tags ===== */
.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15em 0.55em;
  border-radius: 999px;
  text-decoration: none;
  line-height: 1.6;
}

.tag:hover {
  background: var(--color-accent);
  color: #fff;
}

.tag-location {
  background: var(--color-border);
  color: var(--color-muted);
}

.tag-location:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ===== Blog post ===== */
.post-header {
  margin-bottom: calc(var(--spacing) * 1.5);
  padding-bottom: var(--spacing);
  border-bottom: 1px solid var(--color-border);
}

.post-title {
  margin-top: 0;
  font-size: 2rem;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.post-body > * + * {
  margin-top: 1em;
}

.post-nav {
  margin-top: calc(var(--spacing) * 2);
  padding-top: var(--spacing);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 1rem;
}

.post-nav-prev { text-align: left; }
.post-nav-next { text-align: right; }

.post-nav-archive {
  color: var(--color-muted);
  text-decoration: none;
  white-space: nowrap;
}

.post-nav-archive:hover {
  color: var(--color-accent);
}

/* ===== Archive page ===== */
.archive-year {
  margin-bottom: calc(var(--spacing) * 2);
}

.archive-year-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.archive-year-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

/* ===== Tag index page ===== */
.tag-index {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin-top: var(--spacing);
}

.tag-index li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding-block: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.tag-index-link {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
}

.tag-index-link:hover {
  text-decoration: underline;
}

.tag-index-count {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Highlight the current tag on a tag page */
.tag.tag-current {
  background: var(--color-accent);
  color: #fff;
}

/* ===== Location index page ===== */
.location-index {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin-top: var(--spacing);
}

.location-index li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-block: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.location-index-link {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
}

.location-group-heading {
  display: flex;
  align-items: center;
  margin-top: calc(var(--spacing) * 1.5);
  margin-bottom: 0.5rem;
}

h2.location-group-heading { font-size: 1.4rem; }
h3.location-group-heading { font-size: 1.15rem; }

.location-index-link:hover {
  text-decoration: underline;
}

.location-index-count {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Link style inside location map heading */
.location-title a {
  color: inherit;
  text-decoration: none;
}

.location-title a:hover {
  text-decoration: underline;
}

/* ===== Location map ===== */
.post-location {
  margin-top: calc(var(--spacing) * 2);
  border-top: 1px solid var(--color-border);
  padding-top: calc(var(--spacing) * 1.5);
}

.location-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 var(--spacing);
  font-size: 1.15rem;
}

.location-map {
  width: 100%;
  height: 300px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

/* ===== Post media jump links ===== */
.post-media-links {
  display: flex;
  gap: 1rem;
  margin-bottom: var(--spacing);
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.post-media-links a {
  text-decoration: none;
  color: var(--color-accent);
}

.post-media-links a:hover {
  text-decoration: underline;
}

/* ===== YouTube videos ===== */
.post-videos {
  margin-top: calc(var(--spacing) * 2);
  border-top: 1px solid var(--color-border);
  padding-top: calc(var(--spacing) * 1.5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing);
}

.youtube-video {
  margin: 0;
  max-width: 640px;
}

.youtube-facade {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  cursor: pointer;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
}

.youtube-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.youtube-facade:hover .youtube-thumb,
.youtube-facade:focus .youtube-thumb {
  opacity: 1;
}

.youtube-facade:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.youtube-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.youtube-play svg {
  width: 68px;
  height: 48px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.5));
  transition: transform 0.15s ease;
}

.youtube-facade:hover .youtube-play svg {
  transform: scale(1.1);
}

.youtube-iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 6px;
}

.youtube-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.25;
}

/* ===== SmugMug photo albums ===== */
.post-albums {
  margin-top: calc(var(--spacing) * 2);
  border-top: 1px solid var(--color-border);
  padding-top: calc(var(--spacing) * 1.5);
}

.photo-album {
  margin-bottom: calc(var(--spacing) * 2);
}

.photo-album-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: var(--spacing);
  flex-wrap: wrap;
}

.photo-album-title {
  margin: 0;
  font-size: 1.15rem;
}

.photo-album-count {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-muted);
}

.photo-album-empty {
  color: var(--color-muted);
  font-style: italic;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.5rem;
}

.photo-thumb {
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
  background: var(--color-border);
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
}

.photo-thumb a {
  display: block;
  flex: 1;
  overflow: hidden;
}

.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.2s ease;
}

.photo-thumb a:hover img {
  transform: scale(1.05);
}

.photo-caption {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-muted);
  padding: 0.25rem 0.4rem;
  line-height: 1.3;
  background: var(--color-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
  html { font-size: 16px; }

  .post-list-body {
    grid-template-columns: 1fr;
  }

  .post-list-date {
    grid-column: 1;
    grid-row: 2;
  }

  .post-list-excerpt {
    grid-row: 3;
  }

  .post-list-body .tag-list {
    grid-row: 4;
  }

  .post-list-thumb {
    width: 60px;
  }
}