/* ============================================================================
   TicTactis Cyberpunk Theme
   Black, white, and neon in one cohesive design
   ========================================================================== */

/* MARK: - Import Web Fonts */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600;700&display=swap');

/* MARK: - CSS Variables (Design Tokens) */
:root {
  /* Colors */
  --color-bg: #000000;
  --color-bg-dark: #0a0a0a;
  --color-text: #ffffff;
  --color-text-muted: #c0c0c0;
  --color-border: #333333;
  --color-accent-green: #00ff00;
  --color-accent-cyan: #00ffff;
  --color-accent-purple: #ff00ff;

  /* Fonts */
  --font-primary: 'Orbitron', sans-serif;
  --font-secondary: 'Space Mono', monospace;
  --font-body: 'IBM Plex Mono', monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows (Neon Glow) */
  --glow-green: 0 0 10px rgba(0, 255, 0, 0.5);
  --glow-cyan: 0 0 10px rgba(0, 255, 255, 0.5);
  --glow-green-strong: 0 0 20px rgba(0, 255, 0, 0.8);
  --glow-cyan-strong: 0 0 20px rgba(0, 255, 255, 0.8);
}

/* MARK: - Global Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: 0.5px;
}

/* MARK: - Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
}

h1 {
  font-size: 2.5rem;
  text-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2rem;
  text-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
  margin-top: var(--spacing-lg);
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

a {
  color: var(--color-accent-green);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-bottom: 1px solid transparent;
  font-weight: 600;
}

a:hover {
  color: var(--color-accent-cyan);
  text-shadow: var(--glow-cyan);
  border-bottom-color: var(--color-accent-cyan);
}

code {
  background-color: var(--color-bg-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-left: 2px solid var(--color-accent-green);
  font-family: var(--font-body);
  color: var(--color-accent-green);
  font-size: 0.9em;
}

pre {
  background-color: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
  border-left: 3px solid var(--color-accent-cyan);
}

pre code {
  padding: 0;
  border: none;
  color: var(--color-accent-cyan);
}

blockquote {
  border-left: 3px solid var(--color-accent-green);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* MARK: - Lists */
ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-muted);
}

/* MARK: - Header & Navigation */
.site-header {
  border-bottom: 2px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--spacing-lg);
}

.nav-left {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-right {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.site-title {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text);
  transition: all var(--transition-normal);
}

.site-title:hover {
  color: var(--color-accent-green);
  text-shadow: var(--glow-green-strong);
}

.nav-link {
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  border-color: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
  background-color: rgba(0, 255, 255, 0.05);
}

/* MARK: - Search Bar */
.search-input {
  background-color: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: var(--spacing-xs) var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  width: 250px;
  transition: all var(--transition-fast);
  letter-spacing: 0.5px;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent-green);
  box-shadow: var(--glow-green);
  background-color: rgba(0, 255, 0, 0.02);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

/* MARK: - Main Content Area */
main {
  max-width: 1000px;
  margin: var(--spacing-xl) auto;
  padding: 0 var(--spacing-lg);
}

/* MARK: - Posts Container */
.posts-container {
  width: 100%;
}

/* MARK: - Month Group */
.month-group {
  margin-bottom: var(--spacing-xl);
  border-left: 3px solid var(--color-border);
  padding-left: var(--spacing-md);
  transition: border-color var(--transition-normal);
}

.month-group:hover {
  border-left-color: var(--color-accent-green);
}

.month-header {
  font-family: var(--font-secondary);
  font-size: 1.3rem;
  color: var(--color-accent-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: var(--spacing-md);
  letter-spacing: 1px;
}

/* MARK: - Posts List */
.posts-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.posts-list li {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.posts-list li:hover {
  border: 1px solid var(--color-accent-green);
  background-color: rgba(0, 255, 0, 0.02);
  box-shadow: var(--glow-green);
}

.posts-list a {
  display: flex;
  gap: var(--spacing-md);
  align-items: baseline;
  width: 100%;
}

.post-date {
  font-family: var(--font-secondary);
  color: var(--color-accent-cyan);
  flex-shrink: 0;
  font-weight: 600;
  letter-spacing: 1px;
}

.post-title {
  color: var(--color-text);
  flex: 1;
  font-weight: 600;
}

.posts-list a:hover .post-title {
  color: var(--color-accent-green);
  text-shadow: var(--glow-green);
}

/* MARK: - Post Detail */
.post-detail {
  max-width: 800px;
}

.post-meta {
  font-family: var(--font-secondary);
  color: var(--color-accent-cyan);
  margin-bottom: var(--spacing-lg);
  letter-spacing: 1px;
  font-size: 0.95rem;
}

.post-content {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.post-content h1 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.post-content h2 {
  margin-top: var(--spacing-lg);
}

.post-content p {
  margin-bottom: var(--spacing-md);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  margin: var(--spacing-lg) 0;
  display: block;
}

/* MARK: - Page Content */
.page-content {
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* MARK: - Footer */
.site-footer {
  border-top: 2px solid var(--color-border);
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer a {
  color: var(--color-accent-green);
}

/* MARK: - Search Results (Hidden by default) */
.search-results {
  display: none;
}

.search-results.active {
  display: block;
}

.search-no-results {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--color-text-muted);
}

.search-no-results p {
  font-size: 1.1rem;
  margin-bottom: 0;
}

/* MARK: - Responsive Design */
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .site-header {
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
    position: static;
  }

  .site-nav {
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: stretch;
  }

  .nav-left {
    display: flex;
    flex-direction: row;
    align-items: center;
    width: 100%;
  }

  .nav-right {
    display: none;
  }

  .site-title {
    font-size: 1.4rem;
  }

  main {
    padding: 0 var(--spacing-md);
    margin: var(--spacing-lg) auto;
  }

  .posts-list a {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .post-date {
    display: block;
    margin-bottom: var(--spacing-xs);
  }

  pre {
    overflow-x: auto;
    font-size: 0.85em;
  }

  ul, ol {
    margin-left: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  body {
    font-size: 14px;
    letter-spacing: 0px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  h3 {
    font-size: 1rem;
  }

  :root {
    --spacing-lg: 1.5rem;
  }

  main {
    padding: 0 var(--spacing-sm);
  }

  .posts-list li {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .site-title {
    font-size: 1.2rem;
    letter-spacing: 1px;
  }

  code {
    padding: var(--spacing-xs) var(--spacing-xs);
    font-size: 0.8em;
  }
}

/* MARK: - Print Styles */
@media print {
  .site-header,
  .site-footer {
    display: none;
  }

  body {
    background-color: white;
    color: black;
  }

  a {
    color: black;
    text-shadow: none;
  }

  h1, h2, h3, h4, h5, h6 {
    color: black;
    text-shadow: none;
  }
}

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

.glow-pulse {
  animation: glow-pulse 2s ease-in-out infinite;
}

/* MARK: - Utility Classes */
.no-wrap {
  white-space: nowrap;
}

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

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

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

.text-accent-green {
  color: var(--color-accent-green);
  text-shadow: var(--glow-green);
}

.text-accent-cyan {
  color: var(--color-accent-cyan);
  text-shadow: var(--glow-cyan);
}