/* ============================================
   escape2 theme — Nightfall-inspired
   retro-futuristic terminal aesthetic
   ============================================ */

/* CSS Variables */
:root {
  --bg: #292a2d;
  --bg-elevated: #252627;
  --bg-card: #2f2f2f;
  --text: #f8f8ff;
  --text-muted: #a0a4ad;
  --accent: #80AADD;
  --accent-hover: #9ebde6;
  --border: #3a3a3c;
  --code-bg: #252627;
  --code-text: #f8f8ff;
  --header-bg: #252627;
  --footer-bg: #252627;

  --font-header: 'JetBrains Mono', 'Fira Mono', monospace;
  --font-body: 'Source Sans 3', 'Open Sans', sans-serif;
  --font-code: 'JetBrains Mono', 'Fira Mono', monospace;

  --width: 760px;
  --break-large: 992px;
}

/* Base */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 8px 16px;
  text-decoration: none;
  font-weight: 600;
  z-index: 100;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

pre code {
  font-family: var(--font-code);
  font-size: 85%;
  display: block;
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  line-height: 1.5;
}

code {
  font-family: var(--font-code);
  font-size: 85%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 700;
  margin: 2rem 0 1rem;
  line-height: 1.3;
  color: var(--text);
}

/* Layout */
.flexWrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.content {
  flex: 1 auto;
  display: flex;
  justify-content: center;
  padding: 0 20px;
}

.main {
  width: 100%;
  max-width: var(--width);
  text-align: left;
}

/* Header */
.headerWrapper {
  background-color: var(--header-bg);
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.header {
  font-family: var(--font-header);
  height: 60px;
  max-width: calc(var(--width) + 40px);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.terminal {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 2px;
}

.terminal:hover {
  color: var(--accent);
  text-decoration: none;
}

.terminal .cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  background: var(--accent);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Navigation */
.headerLinks ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.headerLinks a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

/* Mobile hamburger */
.hamb {
  cursor: pointer;
  display: none;
  padding: 10px 4px;
}

.hamb-line {
  background: var(--text);
  display: block;
  height: 2px;
  position: relative;
  width: 24px;
}

.hamb-line::before,
.hamb-line::after {
  background: var(--text);
  content: "";
  display: block;
  height: 100%;
  position: absolute;
  transition: all 0.2s ease-out;
  width: 100%;
}

.hamb-line::before { top: 5px; }
.hamb-line::after { top: -5px; }

.side-menu {
  display: none;
}

.side-menu:checked ~ .headerLinks {
  max-height: 100vh;
  opacity: 1;
}

.side-menu:checked ~ .hamb .hamb-line {
  background: transparent;
}

.side-menu:checked ~ .hamb .hamb-line::before {
  transform: rotate(-45deg);
  top: 0;
}

.side-menu:checked ~ .hamb .hamb-line::after {
  transform: rotate(45deg);
  top: 0;
}

@media screen and (max-width: 768px) {
  .headerLinks {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background-color: var(--bg-elevated);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border);
  }

  .headerLinks ul {
    flex-direction: column;
    gap: 2rem;
  }

  .headerLinks a {
    font-size: 1.25rem;
  }

  .hamb {
    display: block;
  }
}

/* Footer */
.footer {
  padding: 1.5rem 20px;
  text-align: center;
  background-color: var(--footer-bg);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0;
}

.footerLink {
  color: var(--text);
}

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

/* Pages: Index / List */
.listHeader {
  margin: 2.5rem 0 1.5rem;
}

.listHeader h1 {
  font-size: 2rem;
  margin: 0;
}

.postsList {
  margin-top: 1.5rem;
}

.postListItem {
  padding: 1.25rem;
  background-color: var(--bg-card);
  margin-bottom: 1rem;
  border-left: 3px solid transparent;
  border-radius: 0 6px 6px 0;
  transition: border-left-color 0.25s ease, transform 0.2s ease;
}

.postListItem:hover {
  border-left-color: var(--accent);
  transform: translateX(4px);
}

.postListItem.compact {
  padding: 0.875rem 1rem;
  margin-bottom: 0.75rem;
}

.postListLink:hover {
  text-decoration: none;
}

.postHeader {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.postTitle {
  color: var(--text);
  font-family: var(--font-header);
  font-size: 1.1rem;
  font-weight: 500;
}

.postTitle:hover {
  color: var(--accent);
  text-decoration: underline;
}

.postDate {
  color: var(--text-muted);
  font-family: var(--font-code);
  font-size: 0.85rem;
  white-space: nowrap;
}

.postTags {
  margin-top: 0.75rem;
}

.tag {
  display: inline-block;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-right: 0.75rem;
  font-family: var(--font-code);
}

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

/* Pagination */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 2.5rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-header);
}

.pagination a {
  color: var(--text);
}

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

.pagination .disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}

.pagination-info {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Home page */
.home-intro {
  margin: 2rem 0 3rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.intro-line {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.intro-line:last-child {
  margin-bottom: 0;
}

.source-link {
  text-align: right;
}

.recent-posts {
  margin: 2rem 0;
}

.recent-posts h2 {
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.home-post-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.home-post-item:last-child {
  border-bottom: none;
}

.home-post-header {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.home-post-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-family: var(--font-code);
  white-space: nowrap;
}

.home-post-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.home-post-title a {
  color: var(--text);
}

.home-post-title a:hover {
  color: var(--accent);
  text-decoration: none;
}

.home-post-tags {
  margin-top: 0.5rem;
}

.all-posts-link {
  text-align: right;
  margin-top: 1.5rem;
}

/* Avatar */
.authorImageWrapper {
  display: flex;
  justify-content: center;
}

.authorImageWrapper img {
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  transition: border-color 0.3s ease;
}

.authorImageWrapper img:hover {
  border-color: var(--accent);
}

.authorImageWrapper img.size-xs { width: 7rem; height: 7rem; }
.authorImageWrapper img.size-s { width: 9rem; height: 9rem; }
.authorImageWrapper img.size-m { width: 11rem; height: 11rem; }
.authorImageWrapper img.size-l { width: 13rem; height: 13rem; }
.authorImageWrapper img.size-xl { width: 15rem; height: 15rem; }

.aboutAvatar {
  margin: 1.5rem 0;
}

/* Single post */
.postWrapper {
  padding: 1.5rem 0 2rem;
}

.postWrapper h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.postMetadata {
  font-family: var(--font-code);
  background: var(--bg-card);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
}

.postMetadata dl {
  display: grid;
  grid-template-columns: max-content auto;
  gap: 0.35rem 1rem;
  margin: 0;
}

.postMetadata dt,
.postMetadata dd {
  line-height: 1.5;
  margin: 0;
}

.postMetadata dt::after {
  content: ":";
}

/* Post content typography */
.post-content {
  margin-top: 1.5rem;
}

.post-content h1,
.post-content h2,
.post-content h3 {
  margin-top: 2.25rem;
}

.post-content h2 {
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}

.post-content ul,
.post-content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content code {
  background-color: var(--code-bg);
  padding: 0.15em 0.35em;
  border-radius: 4px;
  color: var(--code-text);
}

.post-content pre {
  background-color: var(--code-bg);
  color: var(--code-text);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0 0 1.25rem;
  border: 1px solid var(--border);
  position: relative;
}

.post-content pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* PrismJS copy-to-clipboard button */
/* PrismJS toolbar + copy button positioning */
.post-content div.code-toolbar {
  position: relative;
}

.post-content div.code-toolbar > .toolbar {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.post-content div.code-toolbar:hover > .toolbar {
  opacity: 1;
}

.post-content div.code-toolbar > .toolbar > .toolbar-item > button.copy-to-clipboard-button {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-family: var(--font-body);
  color: var(--text-muted);
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.post-content div.code-toolbar > .toolbar > .toolbar-item > button.copy-to-clipboard-button:hover {
  color: var(--text);
  background-color: var(--bg-elevated);
}

.post-content blockquote {
  margin: 0 0 1.25rem;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
}

.post-content th,
.post-content td {
  padding: 0.5rem;
  border: 1px solid var(--border);
  text-align: left;
}

.post-content th {
  background-color: var(--bg-card);
  font-weight: 600;
}

/* Tags page */
.tag-list {
  margin: 1.5rem 0;
}

.tag-item {
  display: inline-block;
  margin: 0.4rem 0.9rem 0.4rem 0;
  font-family: var(--font-code);
}

.tag-count {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-left: 0.25rem;
}

/* About page */
.about-section {
  margin: 2rem 0;
}

.about-section h2 {
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
}

.about-section p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
}

.expertise-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
}

.expertise-list li {
  margin-bottom: 0.5rem;
}

.contact-list {
  list-style: none;
  padding-left: 0;
}

.contact-list li {
  margin-bottom: 0.6rem;
  color: var(--text-muted);
}

.contact-list strong {
  display: inline-block;
  min-width: 80px;
  color: var(--text);
}

/* Comments */
.comments {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.comments-loading,
.comments-error {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 2rem 0;
}

.comments-error a {
  color: var(--accent);
}

.comments iframe {
  width: 100%;
  min-height: 240px;
  border: 0;
}

.comments .utterances {
  min-height: 240px;
}

/* Mobile responsive */
@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .postHeader {
    flex-direction: column;
    gap: 0.35rem;
  }

  .postTitle {
    font-size: 1rem;
  }

  .postWrapper h1 {
    font-size: 1.35rem;
  }

  .postMetadata dl {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .postMetadata dt::after {
    content: ":";
  }
}

/* Print styles */
@media print {
  .headerWrapper,
  .hamb,
  .footer,
  .comments {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
    background: #fff;
    color: #000;
  }

  a {
    text-decoration: underline;
    color: #000;
  }

  .post-content a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

/* Prism code syntax overrides */
code[class*="language-"],
pre[class*="language-"] {
  text-shadow: none;
}

pre[class*="language-"] {
  background: var(--code-bg);
}

:not(pre) > code[class*="language-"] {
  background-color: rgba(255, 255, 255, 0.08);
}

code[class*="language-"] ::selection,
code[class*="language-"]::selection,
pre[class*="language-"] ::selection,
pre[class*="language-"]::selection {
  text-shadow: none;
  background: rgba(128, 170, 221, 0.35);
}