/* OpenDots Blog Theme - Clean Newspaper Style */

/* ===== Light Theme (Default) ===== */
:root {
  --primary: #1a1a1a;
  --primary-dark: #000000;
  --accent: #b91c1c;
  --text: #1a1a1a;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --bg: #fffef9;
  --bg-paper: #ffffff;
  --bg-secondary: #f8f7f4;
  --border: #e5e5e5;
  --border-light: #f0f0f0;
  --shadow: rgba(0, 0, 0, 0.08);
  --radius: 2px;
  --max-width: 1100px;
  --font-serif: 'Georgia', 'Times New Roman', 'Noto Serif', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ===== Dark Theme ===== */
[data-theme="dark"] {
  --primary: #f5f5f5;
  --primary-dark: #ffffff;
  --accent: #ef4444;
  --text: #e5e5e5;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --bg: #0f0f0f;
  --bg-paper: #1a1a1a;
  --bg-secondary: #262626;
  --border: #333333;
  --border-light: #2a2a2a;
  --shadow: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .site-header {
  background: rgba(15, 15, 15, 0.95);
}

[data-theme="dark"] .post-content {
  color: var(--text-secondary);
}

[data-theme="dark"] .post-content pre {
  background: #0d0d0d;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ===== Header ===== */
.site-header {
  border-bottom: 3px double var(--border);
  position: sticky;
  top: 0;
  background: rgba(255, 254, 249, 0.98);
  backdrop-filter: blur(10px);
  z-index: 100;
  transition: background 0.3s ease;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.logo-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--text);
  letter-spacing: -0.03em;
  text-decoration: none;
  transition: color 0.2s;
}

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

.logo-blog {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1rem;
  color: var(--accent);
  font-style: italic;
  text-decoration: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text);
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--bg-secondary);
}

.theme-toggle .sun-icon {
  display: block;
}

.theme-toggle .moon-icon {
  display: none;
}

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

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

/* ===== Main Content ===== */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  min-height: calc(100vh - 200px);
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== Posts Grid ===== */
.featured-posts h2,
.page-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--text);
  display: inline-block;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.post-card {
  background: var(--bg-paper);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.post-card:hover {
  box-shadow: 0 8px 30px var(--shadow);
}

.post-card .post-cover img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.3s ease;
}

.post-card:hover .post-cover img {
  filter: grayscale(0%);
}

.post-card-content {
  padding: 1.25rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.post-card .post-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.post-card .post-title a {
  text-decoration: none;
  color: var(--text);
}

.post-card .post-title a:hover {
  color: var(--accent);
}

.post-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.read-more {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.read-more:hover {
  text-decoration: underline;
}

.view-all {
  text-align: center;
  margin-top: 3rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.btn:hover {
  background: var(--accent);
}

/* ===== Single Post ===== */
.post-single {
  max-width: 680px;
  margin: 0 auto;
}

.post-header {
  margin-bottom: 2rem;
  text-align: center;
}

.post-single .post-meta {
  justify-content: center;
  margin-bottom: 1rem;
}

.post-single .post-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.post-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-style: italic;
  line-height: 1.5;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: transparent;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.tag:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.post-single .post-cover {
  margin: 2rem 0;
}

.post-single .post-cover img {
  width: 100%;
}

.post-cover figcaption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-style: italic;
}

/* ===== Post Content - Newspaper Reading Experience ===== */
.post-content {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.post-content > p:first-of-type::first-letter {
  font-size: 4rem;
  float: left;
  line-height: 1;
  margin: 0 0.5rem 0 0;
  font-weight: 700;
  color: var(--accent);
}

.post-content h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin: 3rem 0 1rem;
  font-weight: 700;
  color: var(--text);
}

.post-content h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin: 2rem 0 0.75rem;
  font-weight: 600;
  color: var(--text);
}

.post-content p {
  margin-bottom: 1.5rem;
  text-align: justify;
  hyphens: auto;
}

.post-content img {
  max-width: 100%;
  margin: 2rem 0;
}

.post-content pre {
  background: #1a1a1a;
  color: #e5e5e5;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 2rem 0;
  font-size: 0.9rem;
}

.post-content code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.9em;
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--bg-secondary);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text);
}

.post-content strong {
  font-weight: 700;
  color: var(--text);
}

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-content hr {
  border: none;
  text-align: center;
  margin: 3rem 0;
}

.post-content hr::before {
  content: "• • •";
  color: var(--text-muted);
  letter-spacing: 1em;
}

.post-content ul, .post-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

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

/* ===== YouTube Embed ===== */
.youtube-embed {
  position: relative;
  width: 100%;
  margin: 2.5rem 0;
  border: 1px solid var(--border);
  background: #000;
  aspect-ratio: 16 / 9;
}

.youtube-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

@supports not (aspect-ratio: 16 / 9) {
  .youtube-embed {
    padding-bottom: 56.25%;
    height: 0;
  }
}

/* ===== Share Bar ===== */
.share-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.share-bar-top {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  justify-content: center;
}

.share-bar-bottom {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--bg-secondary);
  justify-content: center;
}

.share-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.share-buttons-inline {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--bg-paper);
  color: var(--text);
}

.share-btn:hover {
  border-color: var(--text);
}

.share-btn span {
  display: none;
}

.share-bar-bottom .share-btn span {
  display: inline;
}

.share-twitter:hover { background: #1da1f2; color: white; border-color: #1da1f2; }
.share-linkedin:hover { background: #0077b5; color: white; border-color: #0077b5; }
.share-facebook:hover { background: #1877f2; color: white; border-color: #1877f2; }
.share-whatsapp:hover { background: #25d366; color: white; border-color: #25d366; }
.share-telegram:hover { background: #0088cc; color: white; border-color: #0088cc; }
.share-copy:hover { background: var(--text); color: var(--bg); }

/* ===== Post Navigation ===== */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.post-navigation a {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all 0.2s ease;
}

.post-navigation a:hover {
  border-color: var(--text);
}

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

.nav-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.nav-title {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

/* Reading Time */
.reading-time::before {
  content: "•";
  margin: 0 0.5rem;
}

/* ===== Post Footer ===== */
.post-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 3px double var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--text);
  text-decoration: none;
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .posts-grid {
    grid-template-columns: 1fr;
  }
  
  .post-single .post-title {
    font-size: 1.75rem;
  }
  
  .nav-menu {
    gap: 1rem;
    font-size: 0.8rem;
  }
  
  .post-content > p:first-of-type::first-letter {
    font-size: 3rem;
  }
  
  .post-content p {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .nav-menu {
    display: none;
  }
  
  .share-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .share-bar-bottom .share-btn span {
    display: none;
  }
  
  .post-navigation {
    grid-template-columns: 1fr;
  }
  
  .next-post {
    text-align: left;
  }
  
  .youtube-embed {
    margin: 1.5rem -1rem;
    width: calc(100% + 2rem);
  }
}