:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #FAFCFF;
  --color-text-primary: #1A1B1E;
  --color-text-secondary: #495057;
  --color-text-muted: #868E96;
  --color-primary: #0D6EFD;
  --color-primary-hover: #0B5ED7;
  --color-border: #E9ECEF;
  --color-header-bg: #0B0C10;
  --color-header-text: #F8F9FA;

  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.7;

  --container-width: 1140px;
  --container-narrow: 800px;
  --header-height: 70px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition-base: all 0.2s ease-in-out;
}

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

body {
  margin: 0;
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-alt);
  -webkit-font-smoothing: antialiased;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* Header */
.site-header {
  background-color: var(--color-header-bg);
  color: var(--color-header-text);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-title {
  font-size: 1.5rem;
  margin: 0;
  letter-spacing: -0.5px;
}

.site-title a {
  color: var(--color-header-text);
}

/* Navigation */
.main-navigation .nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.5rem;
}

.main-navigation a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.95rem;
}

.main-navigation a:hover,
.main-navigation .current-menu-item>a {
  color: #FFF;
}

.menu-toggle {
  display: none;
}

/* Main layout */
.site-main {
  padding: 4rem 0;
  min-height: calc(100vh - var(--header-height) - 150px);
}

/* Decorative Headers (Home / Archive) */
.page-header.decorative-header {
  text-align: center;
  margin-bottom: 4rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.page-header .page-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  letter-spacing: -1px;
}

.page-header .page-subtitle,
.page-header .archive-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Post Grid */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
}

.post-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.post-card .post-thumbnail {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.post-card .post-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  border-radius: 0;
}

.post-card:hover .post-thumbnail img {
  transform: scale(1.05);
}

.post-content-wrap {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-categories {
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.post-categories a {
  color: var(--color-primary);
}

.post-card .entry-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.post-card .entry-title a {
  color: var(--color-text-primary);
}

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

.post-card .entry-summary {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card .entry-footer {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* Single Post / Page */
.single-post-article,
.single-page-article {
  background: var(--color-bg);
  padding: 3rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 3rem;
}

.single-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

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

.single-header .entry-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.single-header .entry-meta {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.single-thumbnail {
  margin-bottom: 3rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.entry-content {
  font-size: 1.125rem;
  color: var(--color-text-primary);
  line-height: 1.8;
}

.entry-content p {
  margin-bottom: 1.5rem;
}

.entry-content h2,
.entry-content h3 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.entry-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1rem;
  margin-left: 0;
  color: var(--color-text-secondary);
  font-style: italic;
  background: var(--color-bg-alt);
  padding: 1rem 1rem 1rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.entry-content pre {
  background: #f4f5f7;
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.9rem;
}

.entry-content code {
  background: #f4f5f7;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
  color: #d63384;
}

.entry-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.entry-content img {
  margin: 2rem auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.single-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tags-links a {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
}

.tags-links a:hover {
  background: var(--color-primary);
  color: #FFF;
  border-color: var(--color-primary);
}

/* Pagination */
.pagination {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
}

.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  font-weight: 500;
}

.page-numbers:hover,
.page-numbers.current {
  background: var(--color-primary);
  color: #FFF;
  border-color: var(--color-primary);
}

/* Footer */
.site-footer {
  background: var(--color-bg);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-secondary);
}

.footer-nav-menu {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  gap: 2rem;
}

.footer-nav-menu a {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.footer-nav-menu a:hover {
  color: var(--color-primary);
}

.site-info {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Comments Area (Basic reset) */
.comments-area {
  margin-top: 4rem;
  background: var(--color-bg);
  padding: 3rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.comments-title,
.comment-reply-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.comment-list {
  list-style: none;
  padding: 0;
}

.comment {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.comment-body {
  display: flex;
  gap: 1.5rem;
}

.comment-author .avatar {
  border-radius: 50%;
}

.comment-meta {
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.comment-content {
  font-size: 1rem;
  color: var(--color-text-primary);
}

.comment-respond {
  margin-top: 3rem;
}

.comment-form-comment textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: inherit;
  margin-bottom: 1rem;
  resize: vertical;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"] {
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  font-family: inherit;
  margin-bottom: 1rem;
}

.form-submit input[type="submit"] {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
}

.form-submit input[type="submit"]:hover {
  background: var(--color-primary-hover);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .single-post-article,
  .single-page-article,
  .comments-area {
    padding: 1.5rem;
  }

  .single-header .entry-title {
    font-size: 1.8rem;
  }

  .page-header .page-title {
    font-size: 2rem;
  }

  .menu-toggle {
    display: block;
    background: transparent;
    border: none;
    color: var(--color-header-text);
    padding: 0.5rem;
    cursor: pointer;
  }

  .menu-toggle .menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    position: relative;
  }

  .menu-toggle .menu-icon::before,
  .menu-toggle .menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: currentColor;
    left: 0;
    transition: 0.2s;
  }

  .menu-toggle .menu-icon::before {
    top: -6px;
  }

  .menu-toggle .menu-icon::after {
    bottom: -6px;
  }

  .main-navigation .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-header-bg);
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
  }

  .main-navigation.toggled .nav-menu {
    display: flex;
  }

  .main-navigation.toggled .menu-icon {
    background: transparent;
  }

  .main-navigation.toggled .menu-icon::before {
    top: 0;
    transform: rotate(45deg);
  }

  .main-navigation.toggled .menu-icon::after {
    bottom: 0;
    transform: rotate(-45deg);
  }

  .post-grid {
    grid-template-columns: 1fr;
  }
}