/* Dracula Laboratory Dark Theme - Mind & Machine */
/* Sophisticated dark theme with refined color palette */

/* ================================
   CSS VARIABLES - Deep Void Palette
   ================================ */
:root {
  /* Base Colors - Pitch Black Void */
  --bg-primary: #050505;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #141414;
  --bg-dark: #000000;
  
  /* Foreground */
  --fg-primary: #f8f8f2;
  --fg-secondary: #bfbfbf;
  --fg-muted: #6272a4;
  
  /* Accent Colors - Refined */
  --accent-purple: #bd93f9;
  --accent-pink: #ff79c6;
  --accent-cyan: #8be9fd;
  --accent-green: #50fa7b;
  --accent-orange: #ffb86c;
  --accent-red: #ff5555;
  --accent-yellow: #f1fa8c;
  
  /* Typography */
  --font-mono: 'Courier New', 'Courier Prime', monospace;
  --font-hand: 'Caveat', cursive;
}

/* ================================
   BASE STYLES
   ================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-mono);
  background: var(--bg-primary);
  color: var(--fg-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  position: relative;
}

/* ================================
   HEADER & NAVIGATION
   ================================ */
header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  min-height: 140px;
}

.portal-back {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1000;
  text-decoration: none;
  color: var(--fg-muted);
  font-family: var(--font-hand);
  font-size: 1.1rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.portal-back::before {
  content: '←';
  font-family: var(--font-mono);
  font-size: 1.2rem;
}

.portal-back:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 20px var(--accent-cyan);
}

/* Title with flickering effect - Mind & Machine */
h1 {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 3px;
  color: var(--fg-primary);
  text-shadow: 
    0 0 10px rgba(189, 147, 249, 0.5),
    0 0 30px rgba(189, 147, 249, 0.3);
  transition: opacity 0.05s ease;
}

h1.title-dark {
  color: #ff3333;
  text-shadow: 
    0 0 20px rgba(255, 50, 50, 0.9),
    0 0 60px rgba(255, 0, 0, 0.6),
    0 0 100px rgba(200, 0, 0, 0.4);
  opacity: 0;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  pointer-events: none;
}

h1.title-dark.visible {
  opacity: 1;
}

.subtitle {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  color: var(--accent-purple);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

/* ================================
   AUTHOR SECTION - Minimalist
   ================================ */
.author-section {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: 8px;
  padding: 50px;
  margin-bottom: 50px;
  position: relative;
}

.author-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.author-bio h2 {
  font-family: var(--font-hand);
  font-size: 2.2rem;
  color: var(--accent-pink);
  margin-bottom: 25px;
  letter-spacing: 1px;
}

.author-bio p {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  margin-bottom: 15px;
  line-height: 1.8;
}

.author-bio .muted {
  color: var(--fg-muted);
  font-size: 1rem;
  font-style: italic;
  margin-top: 25px;
}

/* Blinking cursor */
.cursor-blink {
  display: inline-block;
  width: 10px;
  height: 18px;
  background: var(--accent-green);
  margin-left: 5px;
  animation: blink 1s infinite;
  vertical-align: middle;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ================================
   EASTER EGGS - Subtle
   ================================ */

/* Hidden Egg - Minimalist dots */
.easter-egg {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0.3;
  z-index: 100;
}

.easter-egg:hover {
  background: var(--accent-cyan);
  opacity: 1;
  box-shadow: 0 0 15px var(--accent-cyan);
  transform: scale(1.5);
}

/* Egg tooltip - Fixed z-index and visibility */
.egg-tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-dark);
  border: 1px solid var(--accent-cyan);
  padding: 10px 15px;
  border-radius: 6px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
  margin-bottom: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.egg-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--accent-cyan);
}

.easter-egg:hover .egg-tooltip {
  opacity: 1;
  pointer-events: auto;
}

/* Terminal-style Easter Egg */
.terminal-egg {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 5px 10px;
  background: var(--bg-dark);
  border-radius: 4px;
  transition: all 0.3s ease;
  opacity: 0.4;
}

.terminal-egg::before {
  content: '$ ';
  color: var(--accent-green);
}

.terminal-egg:hover {
  color: var(--accent-green);
  opacity: 1;
  box-shadow: 0 0 20px rgba(80, 250, 123, 0.3);
}

.terminal-tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-dark);
  border: 1px solid var(--accent-green);
  padding: 10px 15px;
  border-radius: 6px;
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
  margin-bottom: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.terminal-egg:hover .terminal-tooltip {
  opacity: 1;
}

/* ================================
   ARTICLE CARDS - Clean Design
   ================================ */
.articles-section {
  margin-bottom: 50px;
}

.section-title {
  font-family: var(--font-hand);
  font-size: 2rem;
  color: var(--accent-purple);
  margin-bottom: 30px;
  text-align: center;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 25px;
}

.article-card {
  background: var(--bg-secondary);
  border: 1px solid #3d3d3d;
  border-radius: 8px;
  padding: 30px;
  text-decoration: none;
  color: var(--fg-primary);
  position: relative;
  transition: all 0.3s ease;
}

.article-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(139, 233, 253, 0.1);
  transform: translateY(-2px);
}

.article-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 10px;
}

.article-title {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg-primary);
  line-height: 1.3;
  flex: 1;
}

.article-card:hover .article-title {
  color: var(--accent-cyan);
}

/* Status indicator - refined */
.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-red {
  background: var(--accent-red);
  box-shadow: 0 0 8px var(--accent-red);
}

.status-yellow {
  background: var(--accent-orange);
  box-shadow: 0 0 8px var(--accent-orange);
}

.status-green {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.article-preview {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.article-date {
  font-family: var(--font-mono);
}

.article-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-architecture {
  background: rgba(255, 184, 108, 0.15);
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
}

.tag-philosophy {
  background: rgba(255, 121, 198, 0.15);
  color: var(--accent-pink);
  border: 1px solid var(--accent-pink);
}

.tag-tips {
  background: rgba(80, 250, 123, 0.15);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.tag-ai {
  background: rgba(255, 85, 85, 0.15);
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

/* ================================
   FOOTER
   ================================ */
footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid var(--bg-tertiary);
  position: relative;
}

.footer-text {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--fg-muted);
  margin-bottom: 15px;
}

.time-display {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-purple);
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.sleep-nag {
  font-family: var(--font-hand);
  font-size: 1.1rem;
  color: var(--accent-orange);
  font-style: italic;
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */
@media (max-width: 768px) {
  .container {
    padding: 20px 15px;
  }
  
  h1 {
    font-size: 2.2rem;
    letter-spacing: 2px;
  }

  h1.title-dark {
    font-size: 2.2rem;
    color: #ff4444;
    text-shadow: 
      0 0 25px rgba(255, 68, 68, 1),
      0 0 50px rgba(255, 0, 0, 0.8),
      0 0 80px rgba(200, 0, 0, 0.6);
  }
  
  .subtitle {
    font-size: 1.2rem;
  }
  
  .author-section {
    padding: 30px 20px;
  }
  
  .author-bio h2 {
    font-size: 1.6rem;
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .article-card {
    padding: 25px;
  }
  
  .portal-back {
    position: relative;
    top: auto;
    left: auto;
    justify-content: center;
    margin-bottom: 20px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8rem;
  }
  
  .author-bio h2 {
    font-size: 1.4rem;
  }
  
  .article-title {
    font-size: 1.1rem;
  }
}

/* ================================
   UTILITY CLASSES
   ================================ */
.text-purple {
  color: var(--accent-purple);
}

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

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

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

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}