/* Hackademics Theme - Terminal Hacker Aesthetic */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --text-primary: #00ff00;
  --text-secondary: #b0b0b0;
  --text-muted: #666666;
  --accent-green: #00ff00;
  --accent-green-dim: #00cc00;
  --accent-cyan: #00ffff;
  --accent-red: #ff3333;
  --accent-orange: #ff9900;
  --link-color: #00ff00;
  --link-hover: #00ffff;
  --border-color: #222222;
  --code-bg: #0d0d0d;
  --shadow: 0 4px 20px rgba(0, 255, 0, 0.1);
  --glow: 0 0 10px rgba(0, 255, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  font-size: 15px;
}

/* Scanline effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.1) 0px,
    rgba(0, 0, 0, 0.1) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: 9999;
  opacity: 0.3;
}

/* ===== HEADER ===== */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--accent-green);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.site-title a {
  color: var(--accent-green);
  text-decoration: none;
  text-shadow: var(--glow);
  letter-spacing: 2px;
}

.site-title a::before {
  content: '> ';
  color: var(--accent-cyan);
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 1.5rem;
  font-weight: 500;
  transition: color 0.2s ease, text-shadow 0.2s ease;
  text-transform: lowercase;
}

nav a:hover {
  color: var(--accent-green);
  text-shadow: var(--glow);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  z-index: 1;
  filter: brightness(0.4) saturate(0.8);
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.7) 0%,
    rgba(10, 10, 10, 0.5) 50%,
    rgba(10, 10, 10, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-green);
  margin: 0 0 1rem 0;
  text-shadow: var(--glow);
  line-height: 1.2;
  letter-spacing: 1px;
}

.hero h1::before {
  content: '$ ';
  color: var(--accent-cyan);
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ===== MAIN LAYOUT ===== */
.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2rem 3rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
}

main {
  min-width: 0;
}

/* ===== ARTICLE CARDS ===== */
.articles {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.article-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-green);
  padding: 1.5rem;
  transition: all 0.2s ease;
}

.article-card:hover {
  border-color: var(--accent-green);
  box-shadow: var(--shadow);
}

.article-card h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.2rem;
  line-height: 1.4;
  font-weight: 600;
}

.article-card h2 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-card h2 a:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

.article-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-meta::before {
  content: '[';
  color: var(--accent-green);
}

.article-meta::after {
  content: ']';
  color: var(--accent-green);
}

.article-summary {
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
  font-size: 0.95rem;
}

.read-more {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent-green);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

.read-more::before {
  content: '> ';
}

.read-more:hover {
  color: var(--accent-cyan);
}

/* ===== FULL ARTICLE ===== */
article.full {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2rem;
  margin-bottom: 2rem;
}

article.full h1 {
  color: var(--accent-green);
  font-size: 1.8rem;
  line-height: 1.3;
  margin: 0 0 1rem 0;
  text-shadow: var(--glow);
}

article.full .article-meta {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.article-content {
  color: var(--text-secondary);
}

.article-content h2 {
  color: var(--accent-green);
  font-size: 1.3rem;
  margin: 2rem 0 1rem 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-color);
}

.article-content h2::before {
  content: '## ';
  color: var(--text-muted);
}

.article-content h3 {
  color: var(--accent-cyan);
  font-size: 1.1rem;
  margin: 1.5rem 0 0.75rem 0;
}

.article-content h3::before {
  content: '### ';
  color: var(--text-muted);
}

.article-content p {
  margin: 0 0 1.25rem 0;
}

.article-content a {
  color: var(--link-color);
  text-decoration: none;
  border-bottom: 1px dashed var(--accent-green);
  transition: all 0.2s ease;
}

.article-content a:hover {
  color: var(--link-hover);
  border-bottom-color: var(--accent-cyan);
}

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

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

.article-content li::marker {
  color: var(--accent-green);
}

.article-content code {
  background: var(--code-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  font-family: inherit;
  font-size: 0.9em;
  color: var(--accent-orange);
  border: 1px solid var(--border-color);
}

.article-content pre {
  background: var(--code-bg);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 0 0 1.5rem 0;
  border: 1px solid var(--accent-green);
  border-left: 3px solid var(--accent-green);
}

.article-content pre code {
  background: none;
  padding: 0;
  border: none;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.article-content blockquote {
  border-left: 3px solid var(--accent-cyan);
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background: var(--bg-tertiary);
  font-style: normal;
  color: var(--text-secondary);
}

.article-content blockquote::before {
  content: '> ';
  color: var(--accent-cyan);
}

.article-content img {
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
}

/* ===== TAGS ===== */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.tag {
  background: var(--bg-tertiary);
  color: var(--accent-green);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  text-transform: lowercase;
}

.tag::before {
  content: '#';
}

.tag:hover {
  border-color: var(--accent-green);
  box-shadow: var(--glow);
}

/* ===== TAG PAGE ===== */
.tag-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.page-header {
  text-align: center;
  margin-bottom: 3rem;
}

.page-title {
  color: var(--accent-green);
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  text-shadow: var(--glow);
}

.tag-label {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.25rem;
}

.page-description {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}

.articles-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.tag-nav {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.back-link {
  color: var(--accent-green);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

/* ===== SIDEBAR ===== */
aside {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
}

.sidebar-section .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sidebar-section .view-all {
  display: block;
  margin-top: 1rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
}

.sidebar-section .view-all:hover {
  color: var(--accent-green);
}

.sidebar-section h3 {
  color: var(--accent-green);
  font-size: 0.85rem;
  margin: 0 0 1rem 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.sidebar-section h3::before {
  content: '// ';
  color: var(--text-muted);
}

.sidebar-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-section li {
  margin-bottom: 0.4rem;
}

.sidebar-section li::before {
  content: '├─ ';
  color: var(--text-muted);
}

.sidebar-section li:last-child::before {
  content: '└─ ';
}

.sidebar-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  font-size: 0.9rem;
}

.sidebar-section a:hover {
  color: var(--accent-green);
}

/* ===== AD SPACE ===== */
.sidebar-section.ad-slot {
  border: 1px dashed var(--accent-green);
  background: var(--bg-tertiary);
}

.ad-placeholder {
  text-align: center;
}

.ad-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.ad-content a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.promo-box {
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: border-color 0.2s ease;
}

.promo-box:hover {
  border-color: var(--accent-green);
}

.promo-box img {
  max-width: 100%;
  height: auto;
  margin-bottom: 0.75rem;
}

.promo-box strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.promo-box .author {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.promo-box .cta {
  color: var(--accent-green);
  font-size: 0.8rem;
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--accent-green);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 2rem;
}

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

footer a:hover {
  text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  aside {
    order: 1;
  }

  .hero h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 600px) {
  body::before {
    display: none;
  }

  header .container {
    flex-direction: column;
    gap: 1rem;
  }

  nav a {
    margin: 0 0.75rem;
  }

  .hero {
    min-height: 300px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  article.full {
    padding: 1.25rem;
  }

  article.full h1 {
    font-size: 1.4rem;
  }

  .tag-page {
    padding: 2rem 1rem;
  }

  .page-title {
    font-size: 1.5rem;
  }
}

/* ===== UTILITIES ===== */
.text-red { color: var(--accent-red); }
.text-green { color: var(--accent-green); }
.text-cyan { color: var(--accent-cyan); }
.text-orange { color: var(--accent-orange); }

/* Blinking cursor effect for headers */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.cursor::after {
  content: '█';
  animation: blink 1s infinite;
  color: var(--accent-green);
}

/* ===== TAGS INDEX PAGE ===== */
.tags-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.tag-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  text-decoration: none;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.tag-card:hover {
  border-color: var(--accent-green);
  box-shadow: var(--glow);
}

.tag-card .tag-name {
  color: var(--accent-green);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
}

.tag-card .tag-name::before {
  content: '#';
  opacity: 0.6;
}

.tag-card .tag-count {
  color: var(--text-muted);
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .tags-grid {
    grid-template-columns: 1fr;
  }
}