/* ============================================
   SELF-HOSTED FONTS (DSGVO/GDPR COMPLIANT)
   ============================================ */

/* Inter Font Family */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../fonts/inter/Inter-Light.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter/Inter-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter/Inter-Medium.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter/Inter-SemiBold.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/inter/Inter-Bold.woff2') format('woff2');
}

/* JetBrains Mono Font Family */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/jetbrains-mono/JetBrainsMono-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/jetbrains-mono/JetBrainsMono-Medium.woff2') format('woff2');
}

/* ============================================
   CSS CUSTOM PROPERTIES / THEME VARIABLES
   ============================================ */

:root {
  /* Light Theme Colors */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --border: rgba(148, 163, 184, 0.2);
  --shadow: rgba(0, 0, 0, 0.1);
  
  /* Glass effect */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: rgba(31, 38, 135, 0.15);
  
  /* Spacing */
  --container-max: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  /* Dark Theme Colors */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent: #818cf8;
  --accent-hover: #a5b4fc;
  --border: rgba(148, 163, 184, 0.1);
  --shadow: rgba(0, 0, 0, 0.3);
  
  /* Glass effect for dark mode */
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: rgba(0, 0, 0, 0.3);
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

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

a:hover {
  color: var(--accent-hover);
}

/* ============================================
   GLASS MORPHISM
   ============================================ */

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 var(--glass-shadow);
  border-radius: 16px;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.slide-in {
  animation: slideIn 0.6s ease-out forwards;
}

/* ============================================
   CONTAINER
   ============================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
  position: sticky;
  top: var(--spacing-md);
  margin: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 1000;
  animation: fadeIn 0.6s ease-out;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.nav-brand a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition);
}

.nav-brand a:hover {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
}

/* Theme Toggle Button */
.theme-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: var(--transition);
}

.theme-toggle:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

[data-theme="light"] .moon-icon,
[data-theme="dark"] .sun-icon {
  display: none;
}

[data-theme="light"] .sun-icon,
[data-theme="dark"] .moon-icon {
  display: block;
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-lg) 0;
}

/* ============================================
   POST/ARTICLE STYLES
   ============================================ */

.post-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.post-container > * {
  margin-bottom: var(--spacing-lg);
}

.post-header {
  padding: var(--spacing-xl);
  text-align: center;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.post-category {
  background: var(--accent);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.story-category {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.post-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.post-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

.post-author {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: var(--spacing-sm);
}

.post-content {
  padding: var(--spacing-xl);
  font-size: 1.1rem;
  line-height: 1.8;
}

.post-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: 1.875rem;
  color: var(--text-primary);
}

.post-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
  color: var(--text-primary);
}

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

.post-content code {
  font-family: var(--font-mono);
  background: rgba(99, 102, 241, 0.1);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

.post-content pre {
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: 8px;
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  border: 1px solid var(--border);
}

.post-content pre code {
  background: transparent;
  padding: 0;
}

.post-content blockquote {
  border-left: 4px solid var(--accent);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: var(--spacing-md) 0;
}

.post-content ul,
.post-content ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.post-content li {
  margin-bottom: var(--spacing-xs);
}

/* Story-specific styling */
.story-content {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.15rem;
  line-height: 1.9;
  text-align: justify;
}

.story-content p {
  text-indent: 1.5em;
  margin-bottom: var(--spacing-lg);
}

.story-content p:first-child {
  text-indent: 0;
}

.story-content p:first-child::first-letter {
  font-size: 3.5em;
  font-weight: 700;
  line-height: 1;
  float: left;
  margin: 0 0.1em 0 0;
  color: var(--accent);
}

/* Post Tags */
.post-tags {
  padding: var(--spacing-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.tag:hover {
  background: var(--accent);
  color: white;
}

/* ============================================
   INTERACTIONS (LIKE/DISLIKE)
   ============================================ */

.post-interactions {
  padding: var(--spacing-lg);
  text-align: center;
}

.like-section {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
}

.like-btn,
.dislike-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 2px solid var(--border);
  border-radius: 50px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition);
}

.like-btn:hover {
  background: rgba(34, 197, 94, 0.1);
  border-color: #22c55e;
  color: #22c55e;
}

.dislike-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
  color: #ef4444;
}

.like-btn.active {
  background: #22c55e;
  border-color: #22c55e;
  color: white;
}

.dislike-btn.active {
  background: #ef4444;
  border-color: #ef4444;
  color: white;
}

/* ============================================
   COMMENTS SECTION
   ============================================ */

.comments-section {
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.comments-section h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

/* ============================================
   POST NAVIGATION
   ============================================ */

.post-navigation {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

.nav-prev,
.nav-next {
  padding: var(--spacing-md);
  border-radius: 12px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.nav-prev:hover,
.nav-next:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px 0 var(--glass-shadow);
}

.nav-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.nav-title {
  color: var(--text-primary);
  font-weight: 500;
}

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

/* ============================================
   POST GRID (FOR LISTING PAGES)
   ============================================ */

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-md);
}

.post-card {
  padding: var(--spacing-lg);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px 0 var(--glass-shadow);
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.post-card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: var(--spacing-xs) 0;
}

.post-card-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
}

.post-card-link {
  color: var(--accent);
  font-weight: 600;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.post-card-link:hover {
  gap: 0.75rem;
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
  text-align: center;
  padding: var(--spacing-xl);
  margin: var(--spacing-lg);
  animation: fadeIn 0.6s ease-out;
}

.page-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--accent) 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  margin: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
  padding: var(--spacing-lg);
  text-align: center;
}

.footer p {
  margin: var(--spacing-xs) 0;
  color: var(--text-secondary);
}

.footer a {
  color: var(--text-secondary);
  margin: 0 var(--spacing-xs);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .post-title {
    font-size: 2rem;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .posts-grid {
    grid-template-columns: 1fr;
  }
  
  .navbar {
    margin: var(--spacing-sm);
  }
  
  .post-content,
  .post-header {
    padding: var(--spacing-md);
  }
}

/* ============================================
   GDPR / COOKIE CONSENT POPUP
   ============================================ */

.gdpr-popup {
  position: fixed;
  bottom: -100%;
  left: 50%;
  transform: translateX(-50%);
  max-width: 600px;
  width: calc(100% - 2rem);
  padding: 0;
  margin: 1rem;
  z-index: 10000;
  transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 20px 60px 0 var(--glass-shadow);
}

.gdpr-popup.visible {
  bottom: 0;
}

.gdpr-content {
  padding: var(--spacing-lg);
}

.gdpr-content h3 {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-primary);
  font-size: 1.5rem;
}

.gdpr-content p {
  margin: var(--spacing-sm) 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.gdpr-content ul {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  color: var(--text-secondary);
}

.gdpr-content li {
  margin: var(--spacing-xs) 0;
}

.gdpr-content a {
  color: var(--accent);
  text-decoration: underline;
}

.gdpr-small {
  font-size: 0.875rem;
  margin-top: var(--spacing-md);
}

.gdpr-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.gdpr-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.gdpr-accept {
  background: var(--accent);
  color: white;
}

.gdpr-accept:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.gdpr-decline {
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--border);
}

.gdpr-decline:hover {
  background: rgba(148, 163, 184, 0.1);
  border-color: var(--text-secondary);
}

@media (max-width: 768px) {
  .gdpr-popup {
    max-width: 100%;
    margin: 0;
    border-radius: 16px 16px 0 0;
    bottom: -100%;
  }
  
  .gdpr-popup.visible {
    bottom: 0;
  }
  
  .gdpr-content {
    padding: var(--spacing-md);
  }
  
  .gdpr-buttons {
    flex-direction: column;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .navbar,
  .theme-toggle,
  .post-interactions,
  .comments-section,
  .post-navigation,
  .footer,
  .gdpr-popup {
    display: none;
  }
  
  .glass {
    background: white;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}