/* Low Gravitas Blog — blog-specific styles
   Depends on low-gravitas-zen.css and low-gravitas-common.css */

/* ── Blog index ──────────────────────────────────────────────────────────── */

.post-index {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 24px 64px;
}

.post-index-header {
  text-align: center;
  margin-bottom: 64px;
}

.post-index-header h1 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
}

.post-index-tagline {
  color: var(--text-dim);
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto;
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 56px;
}

.post-summary {
  position: relative;
  background: var(--surface, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 24px 28px;
  transition: border-color 0.15s;
}

.post-summary:hover {
  border-color: var(--accent);
}

.post-summary h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.4;
}

.post-summary h2 a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}

/* Make the entire card clickable via the title link */
.post-summary h2 a::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 10px;
}

.post-summary h2 a:hover {
  color: var(--accent);
}

.post-summary h2 a:focus-visible {
  outline: none;
}

.post-summary h2 a:focus-visible::after {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 10px;
}

.post-excerpt {
  color: var(--text-dim);
  font-size: 0.925rem;
  line-height: 1.6;
  margin-top: 8px;
}

.post-empty {
  color: var(--text-dim);
  font-style: italic;
}

.draft-badge {
  display: inline-block;
  font-size: 0.65em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bg);
  background: var(--lgz-bright-yellow, #d4a017);
  border-radius: 4px;
  padding: 0.15em 0.5em;
  vertical-align: middle;
  margin-right: 0.25em;
}

.feed-link {
  margin-top: 8px;
}

/* ── Post meta (shared between index and post view) ──────────────────────── */

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

.post-meta time {
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", "Menlo", monospace;
}

.post-author::before {
  content: "·";
  margin-right: 12px;
}

.post-reading-time {
  color: var(--text-dim);
}

.post-reading-time::before {
  content: "·";
  margin-right: 12px;
}

/* ── Full post layout ────────────────────────────────────────────────────── */

.post {
  max-width: 720px;
  margin: 1rem auto;
  padding: 48px 40px 64px;
  background: var(--surface);
  border-radius: 12px;
}

.post-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.post-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 12px;
}

.post-description {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-top: 12px;
}

/* ── Post content typography ─────────────────────────────────────────────── */

.post-content {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
}

.post-content h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--lgz-bright-blue);
  margin: 1.5em 0 0.5em;
  padding-bottom: 0.25em;
  border-bottom: 1px solid var(--border);
}

.post-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--lgz-yellow);
  margin: 1.6em 0 0.5em;
}

.post-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 1.4em 0 0.4em;
}

.post-content p {
  margin: 0 0 1.2em;
}

.post-content ul,
.post-content ol {
  margin: 0 0 1.2em 1.5em;
}

.post-content li {
  margin-bottom: 0.4em;
}

.post-content li > ul,
.post-content li > ol {
  margin-top: 0.4em;
  margin-bottom: 0.4em;
}

.post-content strong {
  font-weight: 600;
  color: var(--lgz-bright-white);
}

.post-content em {
  font-style: italic;
  color: var(--text);
}

.post-content a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post-content a:hover {
  color: var(--accent);
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  margin: 1.5em 0;
  padding: 0.5em 0 0.5em 1.25em;
  color: var(--text-dim);
  font-style: italic;
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5em 0;
}

/* ── Inline code ─────────────────────────────────────────────────────────── */

.post-content :not(pre) > code {
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", "Menlo", monospace;
  font-size: 0.875em;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  color: var(--lgz-bright-green);
}

/* ── Code blocks (Prism-compatible, Zen theme colors) ────────────────────── */

.post-content pre {
  background: var(--bg) !important;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25em 1.5em;
  margin: 1.5em 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 0.875rem;
  line-height: 1.6;
}

.post-content pre code {
  background: none !important;
  border: none !important;
  padding: 0 !important;
  font-size: inherit;
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", "Menlo", monospace;
  color: var(--lgz-white);
}

/* Prism token colors — mapped to Zen palette */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: var(--lgz-blue);
  font-style: italic;
}

.token.punctuation {
  color: var(--text-dim);
}

.token.property,
.token.tag,
.token.constant,
.token.symbol,
.token.deleted {
  color: var(--lgz-bright-red);
}

.token.boolean,
.token.number {
  color: var(--lgz-bright-yellow);
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: var(--lgz-green);
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string,
.token.variable {
  color: var(--lgz-bright-cyan);
}

.token.atrule,
.token.attr-value,
.token.function,
.token.class-name {
  color: var(--lgz-bright-blue);
}

.token.keyword {
  color: var(--lgz-bright-red);
  font-weight: 500;
}

.token.regex,
.token.important {
  color: var(--lgz-bright-magenta);
}

.token.important,
.token.bold {
  font-weight: bold;
}

.token.italic {
  font-style: italic;
}

.token.entity {
  cursor: help;
}

/* ── Enhanced code blocks ────────────────────────────────────────────────── */

/* Wrapper — carries border, radius, margin; pre inside has none of these */
.code-block {
  position: relative;
  margin: 1.5em 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}

/* Header bar — sits outside the scrolling pre */
.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.3em 0.75em;
  border-bottom: 1px solid var(--border-dim);
  background: var(--bg);
}

/* Language label */
.code-block-label {
  font-size: 0.7rem;
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", "Menlo", monospace;
  color: var(--text-dim);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-block-label[data-is-title] {
  text-transform: none;
  letter-spacing: normal;
  font-style: italic;
  opacity: 0.85;
}

/* Copy button — always visible, no opacity trick */
.code-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  background: transparent;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 0.75rem;
  padding: 0.2em 0.45em;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  font-family: inherit;
  line-height: 1.4;
}

.code-copy-btn:hover {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.code-copy-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.code-copy-btn[data-copied] {
  color: var(--lgz-bright-green, #88c070);
  border-color: var(--lgz-bright-green, #88c070);
}

/* pre inside wrapper — strip border/radius/margin; keep overflow scroll */
.post-content .code-block pre {
  margin: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 1.25em 1.5em;
}

/* Line numbers */
.post-content pre[data-line-numbers] code {
  counter-reset: line;
}

.post-content pre[data-line-numbers] code .highlight-line {
  display: inline-block;
  width: 100%;
}

.post-content pre[data-line-numbers] code .highlight-line::before {
  counter-increment: line;
  content: counter(line);
  display: inline-block;
  width: 2.5em;
  margin-right: 1em;
  text-align: right;
  color: var(--text-dim);
  opacity: 0.4;
  font-size: 0.85em;
  user-select: none;
  -webkit-user-select: none;
}

/* Line highlighting */
.post-content pre .highlight-line[data-highlighted] {
  background: rgba(255, 255, 134, 0.06);
  margin-left: -1.5em;
  margin-right: -1.5em;
  padding-left: 1.5em;
  padding-right: 1.5em;
  border-left: 2px solid var(--accent);
}

/* ── Images ──────────────────────────────────────────────────────────────── */

/* Standalone images not inside a layout figure */
.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  border: 1px solid var(--border-dim);
  margin: 1.5em auto;
}

/* Clearfix — contains floated figures */
.post-content::after {
  content: "";
  display: table;
  clear: both;
}

/* ── Image layout system ─────────────────────────────────────────────────── */

/* Shared styles for all layout figure types */
.post-content .img-full,
.post-content .img-center,
.post-content .img-left,
.post-content .img-right {
  margin: 0;
}

.post-content .img-full img,
.post-content .img-center img,
.post-content .img-left img,
.post-content .img-right img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  border: 1px solid var(--border-dim);
  margin: 0;
  cursor: zoom-in;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-content .img-full img:hover,
.post-content .img-center img:hover,
.post-content .img-left img:hover,
.post-content .img-right img:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.post-content .img-link {
  display: block;
  text-decoration: none;
}

.post-content .img-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.post-content figcaption {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 6px;
  line-height: 1.3;
}

/* Tighter captions on floated/centered images */
.post-content .img-left figcaption,
.post-content .img-right figcaption {
  font-size: 0.8rem;
  margin-top: 4px;
}

/* Full width */
.post-content .img-full {
  width: 100%;
  margin: 2em 0;
}

/* Centered block */
.post-content .img-center {
  width: 80%;
  margin: 1em auto;
}

/* Float left */
.post-content .img-left {
  float: left;
  width: 45%;
  margin: 0.25rem 1.5em 0.25rem 0;
  clear: left;
}

/* Float right */
.post-content .img-right {
  float: right;
  width: 45%;
  margin: 0.25rem 0 0.25rem 1.5em;
  clear: right;
}

/*
 * Baseline grid alignment for floated images.
 * Text line-height is 1.75rem (28px at 16px base).
 * The figure's total height must be a multiple of this
 * so text wraps cleanly underneath without a partial-line gap.
 *
 * Figure outer height = img height + border (2px) + caption-margin (4px)
 *                       + caption height (~17px) = img + ~23px
 *
 * We set img height to (N * 1.75rem - 1.5rem) and use object-fit: cover
 * to crop. The ~1.5rem accounts for caption + border overhead, kept
 * slightly under the exact value so text always has room to start.
 */
.post-content .img-left img,
.post-content .img-right img {
  height: calc(7 * 1.75rem - 1.3rem - 0.5rem);
  object-fit: cover;
}

/* ── Lightbox ────────────────────────────────────────────────────────────── */

dialog.img-lightbox {
  display: none;
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
}

dialog.img-lightbox[open] {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  padding: 2rem;
  box-sizing: border-box;
  overflow: visible;
}

dialog.img-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

dialog.img-lightbox img {
  max-width: 100%;
  max-height: calc(100vh - 4rem);
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  border-radius: 4px;
  cursor: zoom-out;
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.6);
}

.img-lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}

.img-lightbox-close:hover {
  background: rgba(0, 0, 0, 0.8);
  border-color: rgba(255, 255, 255, 0.6);
}

.img-lightbox-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Post footer ─────────────────────────────────────────────────────────── */

.post-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s;
}

.post-back:hover {
  color: var(--link);
}

.post-back .lg {
  font-size: 12px;
}

/* ── Page layout ─────────────────────────────────────────────────────────── */

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.page h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-dim);
}

.page-content {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
}

.page-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--lgz-bright-blue);
  margin: 1.8em 0 0.5em;
}

.page-content p {
  margin: 0 0 1.2em;
}

.page-content ul,
.page-content ol {
  margin: 0 0 1.2em 1.5em;
}

.page-content li {
  margin-bottom: 0.4em;
}

.page-content a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-content a:hover {
  color: var(--accent);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

/* Mid-width: center images switch to full-width, no float */
@media (max-width: 900px) {
  .post-content .img-center {
    width: 100%;
    margin: 2em 0;
  }
}

@media (max-width: 640px) {
  .post,
  .page {
    padding: 32px 16px 48px;
    border-radius: 0;
  }

  .post-index {
    padding: 48px 16px 48px;
  }

  .post-header h1,
  .page h1 {
    font-size: 1.6rem;
  }

  .post-index-header h1 {
    font-size: 2rem;
  }

  .post-index-header {
    margin-bottom: 40px;
  }

  .post-content .code-block {
    margin-left: -16px;
    margin-right: -16px;
    border-left: none;
    border-right: none;
    border-radius: 0;
  }

  .post-content .code-block pre {
    padding: 1em;
    font-size: 0.8rem;
  }

  /* All image layouts become full-width at mobile */
  .post-content .img-left,
  .post-content .img-right,
  .post-content .img-center,
  .post-content .img-full {
    float: none;
    width: 100%;
    margin: 1.5em 0;
  }
}

/* ── Reduced motion ──────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .post-summary h2 a,
  .post-back {
    transition: none;
  }

  .post-content .img-full img,
  .post-content .img-center img,
  .post-content .img-left img,
  .post-content .img-right img {
    transition: none;
  }

  .post-content .img-full img:hover,
  .post-content .img-center img:hover,
  .post-content .img-left img:hover,
  .post-content .img-right img:hover {
    transform: none;
  }
}