/* OpenDyslexic font via CDN */
@import url('https://fonts.cdnfonts.com/css/opendyslexic');

/* ============================================================
   CSS Custom Properties — Dark Hacker Theme
   ============================================================ */
:root {
  --bg:           #000000;
  --bg-secondary: #0a0a0a;
  --bg-card:      #111111;
  --border:       #2a3f5f;
  --text:         #a600ff;
  --text-muted:   #a600ff;
  --accent:       #00ffff;
  --accent-hover: #00ff99;
  --tag-bg:       #0d2d4d;
  --tag-text:     #00ffff;
  --code-bg:      #0a0a0a;
  --code-border:  #1f3a5f;
  --hero-glow:    rgba(0, 255, 136, 0.12);
  --neon-pink:    #ff006e;
  --neon-purple:  #b01aff;
  --neon-cyan:    #00f0ff;

  --font-sans: "OpenDyslexic", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;

  --radius:    8px;
  --max-width: 760px;
  --header-h:  64px;
}

/* Light theme */
[data-theme="light"] {
  --bg:           #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-card:      #ffffff;
  --border:       #d0d7de;
  --text:         #1f2328;
  --text-muted:   #656d76;
  --accent:       #0969da;
  --accent-hover: #0860c9;
  --tag-bg:       #ddf4ff;
  --tag-text:     #0969da;
  --code-bg:      #f6f8fa;
  --code-border:  #d0d7de;
  --hero-glow:    rgba(9, 105, 218, 0.06);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.25s, color 0.25s;
}

/*img { max-width: 100%; height: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
*/

/* ============================================================
   Layout helpers
   ============================================================ */
.container {
  width: min(var(--max-width), 100% - 2rem);
  margin-inline: auto;
}

.site-content {
  flex: 1;
  padding-block: 3rem;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.95);
  border-bottom: 2px solid var(--accent);
  height: var(--header-h);
  backdrop-filter: blur(10px);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 100%;
}

.site-logo {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}
.site-logo:hover { 
  color: var(--accent); 
  text-decoration: none; 
  text-shadow: 0 0 15px rgba(0, 255, 255, 0.8);
}
.logo-bracket { 
  color: var(--accent); 
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { text-shadow: 0 0 10px rgba(0, 255, 255, 0.5); }
  50% { text-shadow: 0 0 20px rgba(0, 255, 255, 0.8); }
}

.site-nav {
  margin-left: auto;
}
.site-nav ul {
  list-style: none;
  display: flex;
  gap: 0.25rem;
}
.site-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: color 0.2s, background 0.2s, text-shadow 0.2s;
  border: 1px solid transparent;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
  background: rgba(0, 255, 136, 0.1);
  text-decoration: none;
  border: 1px solid var(--accent);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
}

/* Theme toggle */
.theme-toggle {
  background: rgba(0, 255, 136, 0.05);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
  color: var(--accent);
}
.theme-toggle:hover { 
  background: rgba(0, 255, 136, 0.15); 
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.4);
}

/* ============================================================
   Hero
   ============================================================ */
 .home-hero {
//  background: radial-gradient(ellipse 80% 50% at 50% -10%, var(--hero-glow), transparent),
  //            linear-gradient(135deg, rgba(0, 255, 136, 0.03), rgba(0, 255, 255, 0.02));
  border-bottom: 2px solid var(--accent);
  padding: 5rem 1rem 4rem;
  text-align: center;
  //box-shadow: 0 20px 50px rgba(0, 255, 136, 0.1); 

}

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1.1;
text-shadow: 0 0 20px rgba(0, 255, 136, 0.6), 0 0 40px rgba(0, 255, 255, 0.3);
}

.hero-title::before { 
  content: "> "; 
  color: var(--accent); 
  animation: flicker 0.15s infinite;
}

@keyframes flicker {
  0%, 18%, 22%, 25%, 54%, 56%, 100% { text-shadow: 0 0 20px rgba(0, 255, 255, 0.8); }
  20%, 24%, 55% { text-shadow: 0 0 10px rgba(0, 255, 255, 0.3); }
}

.hero-tagline {
  margin-top: 1rem;
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-inline: auto;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

/* ============================================================
   Post listing
   ============================================================ */
.post-list-section {
  padding-top: 2.5rem;
}

.section-heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 0.75rem;
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.post-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.post-card {
  background: linear-gradient(135deg, rgba(10, 10, 10, 0.9), rgba(17, 17, 17, 0.9));
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.1);
}
.post-card:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.4), 0 5px 20px rgba(0, 255, 136, 0.2);
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.post-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.post-card-title a {
  color: var(--text);
  text-decoration: none;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}
.post-card-title a:hover { 
  color: var(--accent); 
  text-decoration: none;
  text-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
}

.post-card-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.no-posts {
  color: var(--text-muted);
  text-align: center;
  padding: 3rem;
}

/* ============================================================
   Tags
   ============================================================ */
.tag {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--tag-text);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  text-transform: lowercase;
  border: 1px solid var(--accent);
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.2);
}

.divider { color: var(--accent); }

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
}

.page-indicator { 
  color: var(--text-muted); 
  font-size: 0.85rem; 
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn-outline {
  border: 1px solid var(--accent);
  color: var(--accent);
  background: rgba(0, 255, 136, 0.05);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
  background: rgba(0, 255, 136, 0.15);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.4);
}

/* ============================================================
   Single post
   ============================================================ */
.post {
  padding-bottom: 4rem;
}

.post-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1.5rem;
}

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

.post-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
  text-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

.post-subtitle {
  margin-top: 0.5rem;
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Post body typography */
.post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.post-content h2 { 
  font-size: 1.5rem; 
  border-bottom: 2px solid var(--accent); 
  padding-bottom: 0.4rem; 
}
.post-content h3 { font-size: 1.2rem; color: var(--accent); }
.post-content h4 { font-size: 1rem; color: var(--text-muted); }

.post-content p { margin-bottom: 1.25rem; }
.post-content ul,
.post-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}
.post-content li { margin-bottom: 0.35rem; }

.post-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--accent);
  background: rgba(0, 255, 136, 0.08);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-muted);
  font-style: italic;
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.1);
}

.post-content pre {
  background: var(--code-bg);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.15);
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  color: var(--accent);
}

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

.post-content hr {
  border: none;
  border-top: 2px solid var(--accent);
  margin: 2.5rem 0;
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.post-content th,
.post-content td {
  border: 1px solid var(--accent);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.post-content th {
  background: rgba(0, 255, 136, 0.1);
  font-weight: 600;
  color: var(--accent);
}

/* Post footer */
.post-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--accent);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.post-tags {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   Static pages
   ============================================================ */

.page-header {
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1rem;
}

.page-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  text-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

.page-content {
  font-size: 1.05rem;
  line-height: 1.8;
}

.page-content p { margin-bottom: 1.25rem; }
.page-content ul,
.page-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}
.page-content h2,
.page-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}
.page-content a { 
  font-weight: 500;
  color: var(--accent);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 2px solid var(--accent);
  padding: 1.5rem 0;
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(0, 255, 136, 0.02);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a { 
  color: var(--text-muted); 
  transition: color 0.2s, text-shadow 0.2s;
}
.footer-links a:hover { 
  color: var(--accent); 
  text-decoration: none;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

/* ============================================================
   Syntax highlighting (Rouge — hacker dark style)
   ============================================================ */
.highlight .hll { background-color: rgba(0, 255, 136, 0.1) }
.highlight .c    { color: #00cc66; font-style: italic }
.highlight .k    { color: #00ff88; font-weight: bold }
.highlight .s    { color: #00ffff }
.highlight .s1   { color: #00ffff }
.highlight .s2   { color: #00ffff }
.highlight .n    { color: #00ff88 }
.highlight .o    { color: #00ff88 }
.highlight .nb   { color: #00ffff }
.highlight .nc   { color: #ff006e; font-weight: bold }
.highlight .nf   { color: #b01aff }
.highlight .nt   { color: #00ff88 }
.highlight .na   { color: #00ffff }
.highlight .m    { color: #00ffff }
.highlight .mi   { color: #00ffff }
.highlight .kn   { color: #00ff88}
.highlight .kp   { color: #00ff88 }
.highlight .kr   { color: #00ff88 }
.highlight .kt   { color: #00ff88 }
.highlight .cp   { color: #00cc66 }
.highlight .cm   { color: #00cc66; font-style: italic }
.highlight .cs   { color: #00cc66; font-style: italic }
.highlight .gd   { color: #ff006e; background-color: rgba(255, 0, 110, 0.2) }
.highlight .gi   { color: #00ff88; background-color: rgba(0, 255, 136, 0.2) }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 600px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .site-nav ul  { gap: 0; }
  .site-nav a   { padding: 0.3rem 0.5rem; font-size: 0.82rem; }
  .post-card    { padding: 1.1rem 1.2rem; }
}