/* ============================================================
   markup-javascript.com — Modern Theme
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

/* CSS Variables */
:root {
  --bg:          #0d1117;
  --bg-card:     #161b22;
  --bg-code:     #1a1f2e;
  --bg-sidebar:  #161b22;
  --border:      #30363d;
  --border-soft: #21262d;
  --text:        #c9d1d9;
  --text-muted:  #8b949e;
  --text-dim:    #6e7681;
  --heading:     #e6edf3;
  --accent:      #58a6ff;
  --accent-dim:  rgba(88, 166, 255, 0.1);
  --accent-glow: rgba(88, 166, 255, 0.25);
  --green:       #3fb950;
  --purple:      #a371f7;
  --orange:      #f0883e;
  --red:         #f85149;
  --link:        #58a6ff;
  --link-hover:  #79c0ff;
  --code-text:   #e2e8f0;
  --tag-bg:      rgba(88, 166, 255, 0.08);
  --tag-border:  rgba(88, 166, 255, 0.25);
  --shadow:      0 2px 16px rgba(0,0,0,0.4);
  --radius:      8px;
  --radius-sm:   4px;
  --transition:  0.18s ease;
}

/* ============================================================
   Reset & Base
   ============================================================ */

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--link-hover); }

img { max-width: 100%; height: auto; display: block; }

ul, ol { padding-left: 1.5em; }

h1, h2, h3, h4, h5, h6 {
  color: var(--heading);
  font-weight: 600;
  line-height: 1.35;
}

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

strong { color: var(--heading); font-weight: 600; }
em { font-style: italic; }

/* ============================================================
   Layout Container
   ============================================================ */

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   Header
   ============================================================ */

.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 60px;
  max-width: 1140px;
  margin: 0 auto;
}

.site-logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.site-logo .logo-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.3px;
  line-height: 1.2;
  font-family: 'Fira Code', monospace;
}

.site-logo .logo-name a {
  color: inherit;
}
.site-logo .logo-name a:hover {
  color: var(--accent);
}

.site-logo .logo-tagline {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--heading);
  background: var(--accent-dim);
}

.nav-rss {
  margin-left: 8px;
  color: var(--orange) !important;
  border: 1px solid rgba(240, 136, 62, 0.3);
  border-radius: var(--radius-sm);
}
.nav-rss:hover { background: rgba(240, 136, 62, 0.1) !important; }

/* ============================================================
   Hero Banner (Homepage only)
   ============================================================ */

.site-hero {
  background: linear-gradient(135deg, #0d1117 0%, #161b22 40%, #1a1f2e 100%);
  border-bottom: 1px solid var(--border);
  padding: 56px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.site-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(88,166,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 12px;
  font-family: 'Fira Code', monospace;
}

.hero-title span { color: var(--accent); }

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
}

/* ============================================================
   Main Two-Column Layout
   ============================================================ */

.site-main {
  padding: 40px 0 60px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  align-items: start;
}

/* ============================================================
   Post Cards (Listing pages)
   ============================================================ */

.posts-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 28px 32px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.post-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow);
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.post-date {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.post-cats a {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--tag-border);
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: 4px;
  display: inline-block;
}
.post-cats a:hover { background: var(--accent-glow); }

.post-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.post-card-title a {
  color: var(--heading);
}
.post-card-title a:hover { color: var(--accent); }

.post-card-excerpt {
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.post-card-excerpt p { margin-bottom: 0.5em; }

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
}

.read-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.read-more:hover { gap: 8px; color: var(--link-hover); }
.read-more::after { content: '→'; }

.post-comments-count {
  font-size: 12px;
  color: var(--text-dim);
}

/* ============================================================
   Single Post Page
   ============================================================ */

.post-single {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 40px 44px;
}

.post-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-soft);
}

.post-header .post-cats { margin-bottom: 14px; }

.post-title-single {
  font-size: 28px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 16px;
  line-height: 1.3;
}

.post-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

.post-meta-row .sep { color: var(--border); }

.post-body {
  font-size: 15px;
  line-height: 1.8;
}

.post-body h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 2em 0 0.75em;
  color: var(--heading);
}

.post-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 1.75em 0 0.6em;
  color: var(--heading);
}

.post-body p { margin-bottom: 1.1em; }

.post-body ul,
.post-body ol {
  margin: 0.75em 0 1.1em;
  padding-left: 1.8em;
}

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

.post-body a {
  color: var(--link);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.post-body a:hover { border-bottom-color: var(--link-hover); }

.post-body strong { color: var(--heading); }

.post-body img {
  border-radius: var(--radius-sm);
  margin: 1.5em 0;
  border: 1px solid var(--border);
}

.post-body .alignleft {
  float: left;
  margin: 0 1.5em 1em 0;
}

.post-body .alignright {
  float: right;
  margin: 0 0 1em 1.5em;
}

.clearfix::after {
  content: '';
  display: table;
  clear: both;
}

/* Code blocks */
.post-body pre,
.codecolorer-container,
.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  margin: 1.25em 0;
  overflow-x: auto;
  font-family: 'Fira Code', 'Cascadia Code', 'SF Mono', Consolas, monospace;
  font-size: 13px;
  line-height: 1.65;
  color: var(--code-text);
}

.post-body code {
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px;
  background: var(--bg-code);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border-soft);
}

.post-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* Syntax colors inside code blocks */
.codecolorer-container .javascript { color: var(--code-text); }
.kw1, .kw2 { color: #ff7b72; } /* keywords */
.kw3 { color: #d2a8ff; }
.sy0, .sy1 { color: var(--text-muted); }
.st0, .st1 { color: #a5d6ff; } /* strings */
.nu0, .nu6 { color: #79c0ff; } /* numbers */
.co1, .co2 { color: #8b949e; font-style: italic; } /* comments */
.me1, .me2 { color: #e3b341; } /* methods */
.br0 { color: var(--text); } /* brackets */

.post-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
}

.post-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.post-tags-row .label {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  padding: 3px 10px;
  border-radius: 20px;
  transition: color var(--transition), background var(--transition);
}
.tag-pill:hover {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* Post navigation */
.post-navigation {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 48%;
}

.post-nav-link .nav-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.post-nav-link a {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}
.post-nav-link a:hover { color: var(--accent); }

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

/* ============================================================
   Sidebar
   ============================================================ */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 80px;
}

.widget {
  background: var(--bg-sidebar);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 20px;
}

.widget-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-soft);
}

/* Search widget */
.search-form {
  display: flex;
  gap: 8px;
}

.search-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text-dim); }

.search-btn {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--transition);
}
.search-btn:hover { background: var(--link-hover); }

/* Recent posts widget */
.recent-posts-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.recent-posts-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-soft);
}
.recent-posts-list li:last-child { border-bottom: none; padding-bottom: 0; }
.recent-posts-list li:first-child { padding-top: 0; }

.recent-posts-list a {
  font-size: 13px;
  color: var(--text);
  line-height: 1.4;
  display: block;
}
.recent-posts-list a:hover { color: var(--accent); }

/* Categories widget */
.categories-list {
  list-style: none;
  padding: 0;
}

.categories-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13px;
}
.categories-list li:last-child { border-bottom: none; }
.categories-list li:first-child { padding-top: 0; }

.categories-list a { color: var(--text); }
.categories-list a:hover { color: var(--accent); }

.cat-count {
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 20px;
  padding: 1px 7px;
  font-weight: 600;
}

/* Tag cloud widget */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-cloud a {
  font-size: 12px !important; /* override inline font-size */
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  color: var(--text-muted);
  font-weight: 500;
  transition: all var(--transition);
}
.tag-cloud a:hover {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* Archives widget */
.archive-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}
.archive-select:focus { border-color: var(--accent); }
.archive-select option { background: var(--bg-card); }

/* Links widget */
.links-list {
  list-style: none;
  padding: 0;
}
.links-list li { padding: 6px 0; border-bottom: 1px solid var(--border-soft); font-size: 13px; }
.links-list li:last-child { border-bottom: none; }
.links-list a { color: var(--text); }
.links-list a:hover { color: var(--accent); }

/* ============================================================
   Pagination
   ============================================================ */

.pagination-wrap {
  margin-top: 32px;
}

.wp-pagenavi,
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.wp-pagenavi span.current,
.wp-pagenavi a.page,
.wp-pagenavi a,
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-card);
}

.wp-pagenavi span.current {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.wp-pagenavi a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.wp-pagenavi .pages {
  font-size: 12px;
  color: var(--text-dim);
  background: none;
  border: none;
  min-width: auto;
  padding: 0;
}

/* ============================================================
   Archive / Category Page Header
   ============================================================ */

.archive-header {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 24px;
}

.archive-header .archive-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.archive-header h1 {
  font-size: 24px;
  color: var(--heading);
  margin-bottom: 6px;
}

.archive-header .archive-count {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================================
   Static Pages (About, Contact)
   ============================================================ */

.page-single {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 40px 44px;
}

.page-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-soft);
}

.page-body {
  font-size: 15px;
  line-height: 1.8;
}
.page-body p { margin-bottom: 1.1em; }
.page-body a { color: var(--link); }
.page-body a:hover { color: var(--link-hover); }
.page-body strong { color: var(--heading); }

/* Contact Form */
.contact-form {
  max-width: 560px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus,
.form-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }

.form-textarea { min-height: 140px; resize: vertical; }

.form-submit {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition);
}
.form-submit:hover { background: var(--link-hover); }

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 40px;
}

.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--text); }

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-sep { color: var(--border); }

/* ============================================================
   Breadcrumbs
   ============================================================ */

.breadcrumbs {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs .sep { color: var(--border); }
.breadcrumbs .current { color: var(--text); }

/* ============================================================
   404 / Empty State
   ============================================================ */

.not-found-page {
  text-align: center;
  padding: 80px 24px;
}

.not-found-page h1 {
  font-size: 80px;
  font-family: 'Fira Code', monospace;
  color: var(--accent);
  margin-bottom: 12px;
  line-height: 1;
}

.not-found-page h2 {
  font-size: 22px;
  color: var(--heading);
  margin-bottom: 12px;
}

.not-found-page p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.btn-primary:hover { background: var(--link-hover); color: var(--bg); }

/* ============================================================
   Utility
   ============================================================ */

.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }

.section-heading {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
    gap: 10px;
  }
  .post-single,
  .page-single {
    padding: 24px 20px;
  }
  .post-card {
    padding: 20px;
  }
}

@media (max-width: 600px) {
  .hero-title { font-size: 22px; }
  .post-title-single { font-size: 22px; }
  .site-nav a { padding: 5px 8px; font-size: 13px; }
  .post-navigation { flex-direction: column; }
  .post-nav-link { max-width: 100%; }
  .post-nav-link.next { text-align: left; }
  .container { padding: 0 14px; }
  .content-grid { padding: 0 14px; }
}