/* Zhou Dynasty: Life Recorded - Faithful Revival of TicTac Blueberry */

:root {
  --blue: #6699cc;
  --blue-dark: #4F73B6;
  --blue-mid: #4a6fa5;
  --grey-bg: #e0e0e0;
  --grey-mid: #999;
  --grey-light: #f7f7f7;
  --maroon: #993333;
  --text: #333;
  --border: #ddd;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Verdana, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--grey-bg);
  line-height: 1.6;
}

/* WRAP */
#wrap {
  width: 860px;
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 2px 20px rgba(0,0,0,0.18);
  min-height: 100vh;
}

/* HEADER */
#blog-header {
  background: linear-gradient(135deg, #3d69a8 0%, #6699cc 50%, #5080b8 100%);
  padding: 28px 30px 20px 30px;
  position: relative;
  overflow: hidden;
}
#blog-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #3a5a8a, #8ab0d8, #3a5a8a);
}
#blog-header h1 {
  font-family: "Trebuchet MS", Georgia, serif;
  font-size: 26px;
  color: #fff;
  text-shadow: 1px 2px 4px rgba(0,0,0,0.35);
  letter-spacing: -0.3px;
}
#blog-header h1 a { color: #fff; text-decoration: none; }
#blog-header h1 a:hover { color: #e0ecff; }
#blog-header .tagline {
  font-size: 11px;
  color: rgba(255,255,255,0.72);
  font-style: italic;
  margin-top: 4px;
  letter-spacing: 0.4px;
}

/* NAV */
#nav-bar {
  background: #3d5f92;
  display: flex;
  border-bottom: 2px solid #2d4f7a;
}
#nav-bar a {
  display: inline-block;
  padding: 8px 16px;
  color: rgba(255,255,255,0.82);
  text-decoration: none;
  font-size: 11px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  transition: background 0.15s;
}
#nav-bar a:hover, #nav-bar a.active {
  background: rgba(255,255,255,0.14);
  color: #fff;
}

/* LAYOUT */
#content { display: flex; align-items: flex-start; }

#main-content {
  flex: 1;
  min-width: 0;
  padding: 18px 24px 30px 28px;
  border-right: 1px solid var(--border);
}

/* DATE HEADER */
h2.date-header {
  font-family: "Trebuchet MS", sans-serif;
  font-size: 10.5px;
  color: var(--grey-mid);
  padding: 14px 0 5px 18px;
  margin: 10px 0 8px 0;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1px dotted #ccc;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10'%3E%3Ccircle cx='5' cy='5' r='4' fill='%236699cc'/%3E%3C/svg%3E") no-repeat 2px 55%;
  background-size: 9px;
}
h2.date-header:first-child { padding-top: 4px; margin-top: 0; }

/* POST */
.post {
  margin: 0 0 20px 0;
  padding: 0 0 18px 14px;
  border-bottom: 1px solid #ebebeb;
}
.post:last-of-type { border-bottom: none; margin-bottom: 8px; }

h3.post-title {
  font-family: "Trebuchet MS", Georgia, serif;
  font-size: 15px;
  color: var(--maroon);
  margin-bottom: 5px;
  letter-spacing: -0.3px;
}
h3.post-title a { color: var(--maroon); text-decoration: none; }
h3.post-title a:hover { color: #b84444; text-decoration: underline; }

.post-body { font-size: 12.5px; line-height: 1.65; color: #444; }
.post-body p { margin-bottom: 9px; }
.post-body p:last-child { margin-bottom: 0; }
.post-body a { color: var(--blue); }
.post-body a:visited { color: #666699; }
.post-body a:hover { color: var(--blue-dark); }
.post-body img { max-width: 100%; border: 1px solid #ccc; padding: 3px; margin: 5px 2px; background: #fff; }
.post-body blockquote { margin: 8px 0 8px 20px; padding: 8px 12px; border-left: 3px solid var(--blue); color: #666; font-style: italic; background: #f8f9fc; }
.post-body center { margin: 8px 0; }

.post-footer {
  margin-top: 8px;
  padding: 4px 0 0 16px;
  font-size: 11px;
  color: #aaa;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8'%3E%3Ccircle cx='4' cy='4' r='3' fill='%23bbbbbb'/%3E%3C/svg%3E") no-repeat 2px 5px;
}
.post-footer a { color: var(--blue); text-decoration: none; font-size: 11px; }
.post-footer a:hover { text-decoration: underline; }
.post-footer .permalink { margin-right: 10px; }

/* PAGINATION */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0 4px 0;
  margin-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--grey-mid);
}
.pagination a {
  background: var(--blue);
  color: #fff;
  padding: 5px 14px;
  border-radius: 3px;
  text-decoration: none;
  font-size: 11px;
  font-weight: bold;
  transition: background 0.15s;
}
.pagination a:hover { background: var(--blue-dark); }
.pagination .spacer { flex: 1; text-align: center; }

/* SIDEBAR */
#sidebar {
  width: 188px;
  flex-shrink: 0;
  background: var(--grey-light);
  padding: 14px 0 30px 0;
  font-size: 11.5px;
  border-left: 1px solid var(--border);
}
h2.sidebar-title {
  font-family: "Trebuchet MS", sans-serif;
  font-size: 11.5px;
  color: #555;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 14px 14px 6px 14px;
  border-bottom: 2px solid var(--blue);
  margin-bottom: 4px;
}
h2.sidebar-title:first-child { padding-top: 4px; }
#sidebar ul {
  list-style: none;
  padding: 4px 14px 12px 14px;
  border-bottom: 1px solid #e0e0e0;
}
#sidebar ul li {
  padding: 2px 0 2px 11px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='7' height='7'%3E%3Ccircle cx='3.5' cy='3.5' r='3' fill='%236699cc'/%3E%3C/svg%3E") no-repeat 0 4px;
  line-height: 1.45;
}
#sidebar ul li a { color: var(--blue); text-decoration: none; }
#sidebar ul li a:hover { color: var(--maroon); text-decoration: underline; }
#sidebar .about-text {
  padding: 6px 14px 12px 14px;
  font-size: 11.5px;
  color: #666;
  line-height: 1.5;
  border-bottom: 1px solid #e0e0e0;
}

/* FOOTER */
#footer {
  background: #3d5f92;
  color: rgba(255,255,255,0.65);
  text-align: center;
  padding: 13px 20px;
  font-size: 11px;
  clear: both;
}
#footer a { color: rgba(255,255,255,0.88); }

/* SINGLE POST PAGE */
.single-post-wrap { padding: 18px 24px 30px 28px; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 16px;
  color: var(--blue);
  text-decoration: none;
  font-size: 11.5px;
  padding: 4px 10px;
  border: 1px solid var(--blue);
  border-radius: 3px;
  transition: all 0.15s;
}
.back-link:hover { background: var(--blue); color: #fff; }

/* ALBUM PAGE */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 6px;
  padding: 10px 0;
}
.album-thumb {
  display: block;
  aspect-ratio: 1;
  overflow: hidden;
  border: 2px solid #ddd;
  transition: border-color 0.15s, transform 0.15s;
}
.album-thumb:hover { border-color: var(--blue); transform: scale(1.02); }
.album-thumb img { width: 100%; height: 100%; object-fit: cover; }

.albums-index { list-style: none; padding: 0; }
.albums-index li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.albums-index li a { color: var(--maroon); text-decoration: none; font-weight: bold; font-size: 13px; }
.albums-index li a:hover { text-decoration: underline; }
.albums-index li .count { color: var(--grey-mid); font-size: 11px; }

/* YING'S BLOG - green theme */
body.ying #blog-header { background: linear-gradient(135deg, #3a7050 0%, #5a9e72 50%, #3a7050 100%); }
body.ying #blog-header::after { background: linear-gradient(90deg, #2a5a3a, #7abf92, #2a5a3a); }
body.ying #nav-bar { background: #3a5f46; border-bottom-color: #2a4f36; }
body.ying h3.post-title, body.ying h3.post-title a { color: #2e6e3e; }
body.ying h3.post-title a:hover { color: #3d8a52; }
body.ying h2.sidebar-title { border-bottom-color: #5a9e72; }
body.ying h2.date-header {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10'%3E%3Ccircle cx='5' cy='5' r='4' fill='%235a9e72'/%3E%3C/svg%3E");
}
body.ying #sidebar ul li {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='7' height='7'%3E%3Ccircle cx='3.5' cy='3.5' r='3' fill='%235a9e72'/%3E%3C/svg%3E");
}
body.ying #footer { background: #3a5f46; }

/* LIGHTBOX */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
}
#lightbox.open { display: flex; }
#lightbox img { max-width: 90vw; max-height: 90vh; border: 3px solid #fff; box-shadow: 0 0 40px rgba(0,0,0,0.5); }

@media (max-width: 900px) {
  #wrap { width: 100%; }
  #content { flex-direction: column; }
  #sidebar { width: 100%; border-left: none; border-top: 1px solid var(--border); }
  #main-content { border-right: none; }
}