/* ================================================ */
/* PEARLXCORE.DEV - MINIMAL, MODERN DESIGN         */
/* Inspired by Medium.com - Clean & Elegant       */
/* ================================================ */

/* ========== CSS VARIABLES ========== */
:root {
  /* Typography */
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Monaco', 'Courier New', monospace;

  /* Colors - Grayscale Only */
  --color-black: #000000;
  --color-dark-gray: #333333;
  --color-medium-gray: #666666;
  --color-light-gray: #999999;
  --color-very-light-gray: #f3f3f3;
  --color-border: #e8e8e8;
  --color-white: #ffffff;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width-content: 740px;
  --max-width-site: 1200px;
  --header-height: 56px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
}

/* ========== GLOBAL RESETS ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-black);
  background-color: var(--color-white);
  padding-top: var(--header-height);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body:has(.admin-header) {
  padding-top: 0;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-black);
  letter-spacing: -0.3px;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
  color: var(--color-medium-gray);
}

a {
  color: var(--color-black);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-base), border-color var(--transition-base);
}

a:hover {
  color: var(--color-dark-gray);
  border-bottom-color: var(--color-black);
}

strong { font-weight: 700; }

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-very-light-gray);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-black);
}

pre {
  background-color: #2d2d2d;
  color: #f8f8f2;
  padding: var(--space-lg);
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.9em;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ========== HEADER & NAVIGATION ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width-site);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  gap: var(--space-md);
}

.header-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-black);
  text-decoration: none;
  white-space: nowrap;
  border: none;
  flex-shrink: 0;
}

.header-logo:hover {
  border-bottom: none;
  color: var(--color-medium-gray);
}

.header-search {
  flex: 1;
  max-width: 280px;
}

.search-form {
  display: flex;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-size: 0.9rem;
  color: var(--color-black);
  background-color: var(--color-white);
  transition: border-color var(--transition-base);
}

.search-input::placeholder {
  color: var(--color-light-gray);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-black);
}

.header-nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  flex-shrink: 0;
}

.nav-link {
  color: var(--color-black);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 3px;
  transition: background-color var(--transition-base);
}

.nav-link:hover {
  background-color: var(--color-very-light-gray);
  border-bottom: none;
}

.nav-link:nth-of-type(2) {
  display: none;
}

.btn-nav {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.btn-nav:hover {
  background-color: var(--color-dark-gray);
  color: var(--color-white);
  border: none;
}

.btn-logout {
  background-color: transparent;
  color: var(--color-black);
  border: none;
  padding: 0.5rem 0.75rem;
  font-weight: 500;
  margin-left: var(--space-sm);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.btn-logout:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  border: none;
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-shrink: 0;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background-color: var(--color-black);
  transition: all var(--transition-base);
  border-radius: 1px;
}

@media (max-width: 768px) {
  .header-container {
    gap: 0.5rem;
    padding: 0 var(--space-md);
  }

  .header-logo {
    font-size: 1rem;
  }

  .header-search {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    right: 0;
    flex-direction: column;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
    padding: var(--space-md);
    gap: var(--space-sm);
    width: auto;
    min-width: 140px;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    z-index: 999;
  }

  .header-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 0.5rem 0.5rem;
    font-size: 0.9rem;
    display: block;
    width: 100%;
    text-align: left;
  }

  .btn-nav {
    padding: 0.5rem 0.75rem;
    width: 100%;
    text-align: left;
  }

  .btn-logout {
    margin-left: 0;
    width: 100%;
    text-align: left;
  }
}

/* Admin Header */
.admin-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width-site);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  gap: var(--space-lg);
  position: relative;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-black);
  text-decoration: none;
  white-space: nowrap;
  border: none;
  flex-shrink: 0;
}

.logo:hover {
  border-bottom: none;
  color: var(--color-medium-gray);
}

.admin-nav {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  align-items: flex-start;
  position: absolute;
  top: var(--header-height);
  right: 0;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  padding: var(--space-md);
  width: auto;
  min-width: 200px;
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
  z-index: 999;
  margin-right: var(--space-md);
}

.admin-nav.open {
  display: flex;
}

.admin-hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-shrink: 0;
  margin-left: auto;
}

.admin-nav a {
  color: var(--color-black);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: 3px;
  background-color: transparent;
  transition: background-color var(--transition-base);
  text-decoration: none;
  display: block;
  width: 100%;
  text-align: left;
}

.admin-nav a:hover {
  background-color: var(--color-very-light-gray);
  border-bottom: none;
}

.admin-nav .logout-btn {
  background-color: transparent;
  color: var(--color-black);
  padding: 0.5rem 0.75rem;
  font-weight: 500;
  margin-left: 0;
  width: 100%;
  text-align: left;
}

.admin-nav .logout-btn:hover {
  background-color: var(--color-dark-gray);
  color: var(--color-white);
  border: none;
}

.admin-hamburger span {
  width: 22px;
  height: 2px;
  background-color: var(--color-black);
  transition: all var(--transition-base);
  border-radius: 1px;
}

@media (max-width: 768px) {
  .header-content {
    padding: 0 var(--space-md);
    gap: 0.5rem;
  }

  .logo {
    font-size: 1rem;
  }

  .admin-nav a {
    padding: 0.5rem 0.5rem;
    width: auto;
  }

  .admin-nav .logout-btn {
    margin-left: 0;
    width: 100%;
  }
}

/* ========== READING PROGRESS BAR ========== */
.reading-progress {
  position: fixed;
  top: var(--header-height);
  left: 0;
  height: 2px;
  background-color: var(--color-black);
  z-index: 999;
  width: 0%;
  transition: width 0.1s ease;
}

/* ========== LAYOUT ========== */
main {
  min-height: calc(100vh - var(--header-height));
}

.container {
  max-width: var(--max-width-site);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ========== HOME PAGE ========== */
.home-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.home-hero {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.home-hero__title {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.5px;
}

.home-hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-medium-gray);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.home-hero .btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-black);
  color: var(--color-white);
  border: none;
  border-radius: 3px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-base);
  text-decoration: none;
}

.home-hero .btn:hover {
  background-color: var(--color-dark-gray);
  border-bottom: none;
}

.home-topics {
  margin-top: var(--space-3xl);
}

.home-topics__title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
}

.topic-card {
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.topic-card:hover {
  border-color: var(--color-black);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.topic-card__title {
  font-size: 1.3rem;
  font-family: var(--font-serif);
  margin-bottom: var(--space-md);
}

.topic-card__desc {
  color: var(--color-medium-gray);
  line-height: 1.7;
}

/* ========== BLOG PAGE ========== */
.blog-container {
  max-width: var(--max-width-site);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.blog-list {
  max-width: var(--max-width-site);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.blog-post-preview {
  padding-bottom: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.blog-post-preview:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.blog-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.blog-header__title {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: -0.3px;
}

.blog-subtitle {
  font-size: 1.15rem;
  color: var(--color-medium-gray);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.blog-search-section {
  margin-bottom: var(--space-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.blog-search-section .form-control {
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  transition: border-color var(--transition-base);
}

.blog-search-section .form-control:focus {
  outline: none;
  border-color: var(--color-black);
  box-shadow: none;
}

.blog-filter {
  margin-bottom: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.blog-filter__label {
  color: var(--color-light-gray);
  font-size: 0.95rem;
}

.blog-filter__clear {
  color: var(--color-black);
  border-bottom: 1px solid var(--color-black);
  font-size: 0.9rem;
}

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.blog-main {
  width: 100%;
}

.blog-sidebar {
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-xl);
}

.blog-sidebar__inner {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
}

.blog-sidebar__heading {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  font-family: var(--font-serif);
}

.blog-sidebar__empty {
  color: var(--color-light-gray);
  font-size: 0.9rem;
}

.categories-list,
.tags-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.category-chip,
.tag-chip {
  display: inline-block;
  width: fit-content;
  padding: 0.4rem 0.8rem;
  background-color: var(--color-very-light-gray);
  border-radius: 20px;
  text-decoration: none;
  color: var(--color-black);
  font-size: 0.9rem;
  border: none;
  transition: background-color var(--transition-base);
}

.category-chip:hover,
.tag-chip:hover {
  background-color: var(--color-border);
  border-bottom: none;
}

.category-chip__count {
  margin-left: 0.3rem;
  color: var(--color-light-gray);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .blog-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .blog-sidebar {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-left: 0;
    padding-top: var(--space-xl);
  }

  .blog-sidebar__inner {
    position: static;
  }
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.featured-post {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-bottom: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.featured-post:hover {
  border-color: var(--color-black);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.featured-post__image-link {
  overflow: hidden;
  border-radius: 4px;
  display: block;
}

.featured-post__image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform var(--transition-base);
  border-radius: 4px;
}

.featured-post:hover .featured-post__image {
  transform: scale(1.05);
}

.featured-post__title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.featured-post__title a {
  color: var(--color-black);
  border: none;
}

.featured-post__title a:hover {
  border-bottom: 1px solid var(--color-black);
}

.featured-post__excerpt {
  color: var(--color-medium-gray);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
  font-size: 1rem;
}

.featured-post__meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.9rem;
  color: var(--color-light-gray);
  flex-wrap: wrap;
}

.featured-post__meta .divider {
  opacity: 0.5;
}

.post-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.post-card:hover {
  border-color: var(--color-black);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.post-card__image-link {
  display: block;
  overflow: hidden;
  height: 180px;
}

.post-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.post-card__content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
  flex-grow: 1;
}

.post-card__title a {
  color: var(--color-black);
  border: none;
}

.post-card__title a:hover {
  border-bottom: 1px solid var(--color-black);
}

.post-card__excerpt {
  font-size: 0.95rem;
  color: var(--color-medium-gray);
  margin-bottom: var(--space-md);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__meta {
  display: flex;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-light-gray);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.post-card__meta .divider {
  opacity: 0.5;
}

.post-taxonomy {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

#scrollTopBtn {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  padding: 0.6rem 0.8rem;
  border-radius: 3px;
  background-color: var(--color-black);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
  z-index: 999;
  font-size: 1.1rem;
  font-weight: 600;
}

#scrollTopBtn:hover {
  background-color: var(--color-dark-gray);
}

/* ========== ARTICLE/POST PAGE ========== */
.article-body {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.article-back {
  margin-bottom: var(--space-xl);
}

.article-back__link {
  color: var(--color-black);
  font-size: 0.95rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

.article-back__link:hover {
  border-bottom-color: var(--color-black);
}

.article-title {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.25;
  letter-spacing: -0.3px;
}

.article-subtitle {
  font-size: 1.15rem;
  color: var(--color-medium-gray);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.article-hero-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: var(--space-2xl);
}

.article-author {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-very-light-gray);
  border-radius: 4px;
  margin-bottom: var(--space-2xl);
  border: 1px solid var(--color-border);
  align-items: center;
}

.article-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-black);
}

.article-author__avatar-fallback {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-medium-gray);
  font-size: 1.2rem;
  border: 2px solid var(--color-black);
}

.author-info {
  flex: 1;
}

.author-info h4 {
  margin-bottom: 0;
  font-size: 1rem;
  font-family: var(--font-sans);
}

.author-info a {
  color: var(--color-black);
  border: none;
  font-weight: 600;
}

.author-info a:hover {
  border-bottom: 1px solid var(--color-black);
}

.author-info p {
  font-size: 0.9rem;
  margin: 0;
  color: var(--color-light-gray);
}

.post-taxonomy {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.post-taxonomy > strong {
  display: block;
  margin-bottom: var(--space-sm);
}

.post-taxonomy__chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.article-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-xl) 0;
}

.article-content {
  font-size: 1.1rem;
  line-height: 1.85;
  margin-bottom: var(--space-2xl);
  color: var(--color-medium-gray);
}

.article-content p {
  margin-bottom: var(--space-lg);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: var(--space-xl) 0;
}

.article-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.article-content h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--space-lg);
  margin-left: var(--space-xl);
}

.article-content li {
  margin-bottom: var(--space-sm);
}

.article-content blockquote {
  border-left: 3px solid var(--color-border);
  padding-left: var(--space-lg);
  margin: var(--space-lg) 0;
  color: var(--color-medium-gray);
  font-style: italic;
}

/* Table of Contents */
.toc {
  background-color: var(--color-very-light-gray);
  padding: var(--space-lg);
  border-radius: 4px;
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.toc h4 {
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  margin-bottom: 0.5rem;
}

.toc a {
  color: var(--color-black);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-border);
}

/* Author Card */
.author-card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background-color: var(--color-very-light-gray);
  border-radius: 4px;
  border: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
  align-items: center;
}

.author-card__avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-black);
}

.author-card__avatar--fallback {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-medium-gray);
  font-size: 2rem;
  border: 3px solid var(--color-black);
}

.author-card__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.author-card__name {
  margin-bottom: var(--space-sm);
  font-size: 1.15rem;
  font-weight: 700;
}

.author-card__name a {
  color: var(--color-black);
  border: none;
}

.author-card__name a:hover {
  border-bottom: 1px solid var(--color-black);
}

.author-card__bio {
  color: var(--color-medium-gray);
  margin-bottom: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Social Share */
.social-share {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background-color: var(--color-very-light-gray);
  border-radius: 4px;
  border: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

.social-share__label {
  font-weight: 600;
  color: var(--color-black);
  font-size: 1rem;
  margin: 0;
}

.social-share__buttons {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.social-share__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 3px;
  background-color: var(--color-black);
  color: var(--color-white);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: background-color var(--transition-base), transform var(--transition-base);
  border: none;
}

.social-share__button:hover {
  transform: translateY(-2px);
  border-bottom: none;
}

.social-share__button--twitter {
  background-color: #1DA1F2;
}

.social-share__button--twitter:hover {
  background-color: #1a8cd8;
}

.social-share__button--linkedin {
  background-color: #0A66C2;
}

.social-share__button--linkedin:hover {
  background-color: #084399;
}

.social-share__button--facebook {
  background-color: #1877F2;
}

.social-share__button--facebook:hover {
  background-color: #0a66c2;
}

/* Related Posts */
.related-posts {
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.related-posts__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.related-posts__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.related-post {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.related-post:hover {
  border-color: var(--color-black);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.related-post__image-link {
  display: block;
  overflow: hidden;
  height: 150px;
}

.related-post__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.related-post:hover .related-post__image {
  transform: scale(1.05);
}

.related-post__content {
  padding: 0.75rem 1rem 1rem;
}

.related-post__title {
  font-size: 1rem;
  margin: 0 0 0.5rem;
  font-weight: 700;
}

.related-post__title a {
  color: var(--color-black);
  border: none;
}

.related-post__title a:hover {
  border-bottom: 1px solid var(--color-black);
}

.related-post__excerpt {
  color: var(--color-medium-gray);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.related-post__meta {
  color: var(--color-light-gray);
  font-size: 0.85rem;
}

/* Comments Section */
.comments-section {
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.comments-section h3 {
  margin-bottom: var(--space-lg);
}

.comments-card {
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  border-radius: 4px;
}

.comments-card__body {
  padding: var(--space-lg);
}

.comments-note {
  font-size: 0.875rem;
  color: var(--color-light-gray);
  margin-top: 0.75rem;
}

/* ========== BUTTONS & FORMS ========== */
.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 3px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base);
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-dark-gray);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-very-light-gray);
  color: var(--color-black);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-border);
  text-decoration: none;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.btn-outline-primary {
  background-color: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-border);
}

.btn-outline-primary:hover {
  background-color: var(--color-very-light-gray);
  border-color: var(--color-black);
}

.btn-outline-danger {
  background-color: transparent;
  color: #dc3545;
  border: 1px solid #dc3545;
}

.btn-outline-danger:hover {
  background-color: #dc3545;
  color: var(--color-white);
}

.form-control {
  width: 100%;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--color-black);
  background-color: var(--color-white);
  transition: border-color var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-black);
  box-shadow: none;
}

.form-control-lg {
  padding: 0.75rem 1rem;
  font-size: 1rem;
}

.form-group {
  margin-bottom: var(--space-lg);
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--color-black);
}

textarea.form-control {
  resize: vertical;
  min-height: 200px;
  font-family: var(--font-sans);
}

/* ========== ALERTS ========== */
.alert {
  padding: var(--space-lg);
  border-radius: 4px;
  margin-bottom: var(--space-lg);
  border: 1px solid;
}

.alert-success {
  background-color: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
}

.alert-danger {
  background-color: #f8d7da;
  border-color: #f5c6cb;
  color: #721c24;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: #ffeaa7;
  color: #856404;
}

.alert-info {
  background-color: #d1ecf1;
  border-color: #bee5eb;
  color: #0c5460;
}

/* ========== BADGES ========== */
.badge {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border-radius: 3px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
}

.bg-secondary {
  background-color: var(--color-very-light-gray);
  color: var(--color-black);
}

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

.bg-info {
  background-color: var(--color-border);
  color: var(--color-black);
}

.bg-success {
  background-color: #d4edda;
  color: #155724;
}

.bg-warning {
  background-color: #fff3cd;
  color: #856404;
}

.bg-danger {
  background-color: #f8d7da;
  color: #721c24;
}

.text-dark {
  color: var(--color-black) !important;
}

.text-muted {
  color: var(--color-light-gray) !important;
}

/* ========== TABLES ========== */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
}

.table th {
  background-color: var(--color-very-light-gray);
  padding: var(--space-md);
  text-align: left;
  font-weight: 700;
  border-bottom: 1px solid var(--color-border);
}

.table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.table-striped tbody tr:nth-child(odd) {
  background-color: var(--color-white);
}

.table-striped tbody tr:nth-child(even) {
  background-color: var(--color-very-light-gray);
}

.table-hover tbody tr:hover {
  background-color: var(--color-border);
}

.table-responsive {
  overflow-x: auto;
}

/* ========== POST FORM (ADMIN) ========== */
.post-form {
  width: 100%;
}

.post-form-section {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.post-form-section__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-black);
}

.form-group small {
  display: block;
  color: var(--color-light-gray);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* Title and Slug side by side */
.post-form-section:first-of-type {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.post-form-section:first-of-type .post-form-section__title {
  flex-basis: 100%;
}

.post-form-section:first-of-type .form-group:nth-of-type(1) {
  flex: 1;
  min-width: 0;
}

.post-form-section:first-of-type .form-group:nth-of-type(2) {
  flex: 1;
  min-width: 0;
}

.post-form-section:first-of-type .form-group:nth-of-type(3) {
  flex-basis: 100%;
}

.post-form-section:first-of-type .form-group:nth-of-type(3) textarea {
  min-height: 80px;
}

/* Current image preview */
.current-image-preview {
  background-color: var(--color-very-light-gray);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.current-image-preview__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-light-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}

.current-image-preview__img {
  max-width: 300px;
  max-height: 300px;
  border-radius: 3px;
  object-fit: cover;
}

/* Form controls */
.form-control {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.6rem 0.75rem;
  font-size: 0.95rem;
  transition: border-color var(--transition-base);
  font-family: var(--font-sans);
  color: var(--color-black);
  background-color: var(--color-white);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-black);
  box-shadow: none;
}

/* Textarea styling */
textarea.form-control {
  min-height: 250px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  resize: vertical;
}

.post-form-section:nth-of-type(3) textarea.form-control {
  min-height: 400px;
}

/* Markdown editor tabs */
.markdown-editor {
  border: 1px solid var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  background-color: var(--color-white);
}

.editor-tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  background: var(--color-very-light-gray);
  gap: 0;
}

.tab-btn {
  flex: 1;
  padding: 0.75rem 1.25rem;
  border: none;
  background: var(--color-very-light-gray);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-medium-gray);
  border-bottom: 3px solid transparent;
  transition: all var(--transition-base);
  margin-bottom: -2px;
  text-align: center;
}

.tab-btn:hover:not(.active) {
  color: var(--color-black);
  background: #f0f0f0;
}

.tab-btn.active {
  color: var(--color-black);
  background: var(--color-white);
  border-bottom-color: var(--color-black);
}

.editor-toolbar {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem var(--space-lg);
  background: var(--color-very-light-gray);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.toolbar-btn {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-black);
  border-radius: 3px;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.toolbar-btn:hover {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.editor-content {
  position: relative;
  background: var(--color-white);
}

.tab-pane {
  width: 100%;
  display: none;
}

.tab-pane.active {
  display: block;
}

.tab-pane textarea {
  width: 100%;
  min-height: 400px;
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  border: none;
  background: var(--color-white);
  color: var(--color-black);
  resize: vertical;
  line-height: 1.5;
}

.preview-content {
  width: 100%;
  min-height: 400px;
  padding: var(--space-lg);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  background: var(--color-white);
  color: var(--color-black);
  line-height: 1.6;
  overflow-y: auto;
}

.preview-content p,
.preview-content h1,
.preview-content h2,
.preview-content h3,
.preview-content h4,
.preview-content h5,
.preview-content h6,
.preview-content ul,
.preview-content ol,
.preview-content li,
.preview-content strong,
.preview-content em,
.preview-content a,
.preview-content code,
.preview-content blockquote {
  color: var(--color-black);
  font-weight: 500;
}

/* Checkbox group - horizontal layout for categories and tags */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-start;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 0.75rem;
  background-color: var(--color-very-light-gray);
  border-radius: 3px;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}

.checkbox-item:hover {
  border-color: var(--color-black);
}

.checkbox-item input[type="checkbox"] {
  cursor: pointer;
  width: 18px;
  height: 18px;
  accent-color: var(--color-black);
}

.checkbox-item label {
  margin: 0;
  font-weight: 500;
  cursor: pointer;
  font-size: 0.9rem;
}

/* Form actions */
.form-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-start;
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* Schedule card styling */
.schedule-card {
  background-color: var(--color-very-light-gray);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.schedule-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  padding-bottom: 0;
  border-bottom: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.form-row {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1;
  min-width: 200px;
}

/* Admin Posts Index */
.admin-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  background: var(--color-very-light-gray);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
}

.empty-state__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.empty-state__text {
  color: var(--color-medium-gray);
  margin-bottom: var(--space-lg);
}

.posts-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.post-list-item {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-base);
}

.post-list-item:hover {
  background-color: var(--color-very-light-gray);
}

.post-list-item__row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.post-list-item__title {
  flex: 1;
}

.post-list-item__title a {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-black);
  display: block;
  margin-bottom: 0.25rem;
}

.post-list-item__title a:hover {
  border-bottom: 1px solid var(--color-black);
}

.post-list-item__slug {
  display: block;
  font-size: 0.9rem;
  color: var(--color-light-gray);
  margin-top: 0.25rem;
}

.post-list-item__status {
  flex-shrink: 0;
}

.post-list-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  color: var(--color-light-gray);
}

.meta-item {
  display: flex;
  align-items: center;
}

.meta-item::before {
  content: "•";
  margin-right: var(--space-sm);
  color: var(--color-light-gray);
}

.meta-item:first-child::before {
  content: "";
  margin-right: 0;
}

.post-list-item__actions {
  display: flex;
  gap: var(--space-sm);
}

.post-list-item__delete-form {
  margin: 0;
}

.pagination-nav {
  display: flex;
  justify-content: center;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.pagination {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
}

.page-item {
  margin: 0;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: var(--color-white);
  color: var(--color-black);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.page-link:hover:not(.disabled) {
  background: var(--color-very-light-gray);
  border-color: var(--color-black);
}

.page-item.active .page-link {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.page-item.disabled .page-link {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--color-very-light-gray);
}

.pagination-info {
  text-align: center;
  color: var(--color-light-gray);
  font-size: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.2rem;
  background-color: var(--color-black);
  color: var(--color-white);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background-color var(--transition-base);
}

.btn:hover {
  background-color: var(--color-dark-gray);
  border: none;
}

.btn-primary {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-dark-gray);
}

.btn-secondary {
  background-color: var(--color-very-light-gray);
  color: var(--color-black);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-border);
}

/* ========== ADMIN DASHBOARD ========== */
.admin-page {
  padding: 0;
}

.page-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding: var(--space-2xl) var(--space-lg);
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.page-subtitle {
  font-size: 1rem;
  color: var(--color-medium-gray);
  margin: 0;
}

.dashboard-stat {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-lg);
  transition: all var(--transition-base);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.dashboard-stat:hover {
  border-color: var(--color-black);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.dashboard-stat__content {
  flex: 1;
}

.dashboard-stat__label {
  color: var(--color-light-gray);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dashboard-stat__value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-black);
  margin: 0;
}

.dashboard-stat__icon {
  font-size: 2rem;
  color: var(--color-light-gray);
  opacity: 0.6;
  margin-left: var(--space-lg);
}

.content-section {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.content-section__header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.content-section__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.content-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.content-list__item {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
  transition: background-color var(--transition-base);
}

.content-list__item:hover {
  background-color: var(--color-very-light-gray);
  border-radius: 3px;
}

.content-list__item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.content-list__left {
  width: 100%;
}

.content-list__title {
  margin: 0 0 var(--space-sm) 0;
  font-size: 1rem;
  font-weight: 600;
}

.content-list__title a {
  color: var(--color-black);
}

.content-list__meta {
  display: flex;
  gap: var(--space-lg);
  font-size: 0.85rem;
}

.content-list__meta-item {
  display: flex;
  gap: var(--space-xs);
}

.content-list__meta-label {
  color: var(--color-light-gray);
  font-weight: 600;
}

.content-list__empty {
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-light-gray);
  font-size: 0.9rem;
}

.quick-actions {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-top: var(--space-2xl);
}

.quick-actions__header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.quick-actions__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.quick-actions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.quick-action-btn {
  padding: var(--space-lg);
  background-color: var(--color-very-light-gray);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  text-decoration: none;
  color: var(--color-black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  transition: all var(--transition-base);
  text-align: center;
}

.quick-action-btn:hover {
  border-color: var(--color-black);
  background-color: var(--color-white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.quick-action-btn i {
  font-size: 1.5rem;
  color: var(--color-black);
}

.quick-action-btn__label {
  font-weight: 600;
  font-size: 0.95rem;
}

/* ========== ABOUT PAGE ========== */
.about-hero {
  background-color: var(--color-white);
  padding: var(--space-2xl) var(--space-lg);
  margin-bottom: var(--space-2xl);
  border-radius: 4px;
  border: 1px solid var(--color-border);
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
}

.about-hero__container {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.about-hero__avatar {
  flex-shrink: 0;
}

.about-hero__image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-black);
}

.about-hero__placeholder {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background-color: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-medium-gray);
  font-weight: 700;
  border: 4px solid var(--color-black);
}

.about-hero__content {
  flex: 1;
}

.about-hero__title {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.about-hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-medium-gray);
  font-weight: 500;
}

.about-content {
  padding: var(--space-xl) var(--space-lg);
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.about-content__container {
  max-width: 100%;
}

.about-bio {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-medium-gray);
  margin-bottom: var(--space-2xl);
  padding: var(--space-lg);
  background-color: var(--color-very-light-gray);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.about-meta {
  padding: var(--space-lg);
  background-color: var(--color-very-light-gray);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-top: var(--space-2xl);
}

.about-meta__item {
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

.about-meta__label {
  font-weight: 600;
  color: var(--color-black);
  margin-right: var(--space-sm);
}

.about-contact {
  margin-top: var(--space-3xl);
}

.about-contact__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.about-contact__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.about-contact__card {
  padding: var(--space-lg);
  background-color: var(--color-very-light-gray);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  text-align: center;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.about-contact__card:hover {
  border-color: var(--color-black);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.about-contact__label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-black);
}

.about-contact__value {
  font-size: 0.95rem;
  color: var(--color-black);
  word-break: break-word;
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}

.about-contact__value:hover {
  border-bottom-color: var(--color-black);
}

@media (max-width: 768px) {
  .about-contact__grid {
    grid-template-columns: 1fr;
  }
}

/* ========== FOOTER ========== */
.footer {
  background-color: var(--color-very-light-gray);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-3xl);
  text-align: center;
}

.footer-content {
  max-width: var(--max-width-site);
  margin: 0 auto;
}

.newsletter-section {
  margin-bottom: var(--space-2xl);
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
}

.newsletter-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.newsletter-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.newsletter-subtitle {
  color: var(--color-medium-gray);
  font-size: 0.95rem;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-input-group {
  display: flex;
  gap: var(--space-sm);
}

.newsletter-input {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-size: 1rem;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-black);
}

.newsletter-btn {
  padding: 0.6rem 1.2rem;
  background-color: var(--color-black);
  color: var(--color-white);
  border: none;
  border-radius: 3px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.newsletter-btn:hover {
  background-color: var(--color-dark-gray);
}

.newsletter-disclaimer {
  font-size: 0.85rem;
  color: var(--color-light-gray);
  text-align: center;
  margin-bottom: 0;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer-copyright {
  color: var(--color-light-gray);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ========== UTILITIES ========== */
.d-flex {
  display: flex;
}

.gap-2 {
  gap: var(--space-md);
}

.mb-4 {
  margin-bottom: var(--space-xl);
}

.mb-5 {
  margin-bottom: var(--space-2xl);
}

.mt-5 {
  margin-top: var(--space-2xl);
}

.mt-3 {
  margin-top: var(--space-md);
}

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

.py-5 {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

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

.h-100 {
  height: 100%;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }

  .home-hero__title {
    font-size: 2.5rem;
  }

  .blog-header__title {
    font-size: 2rem;
  }

  .article-title {
    font-size: 2rem;
  }

  .featured-post {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .author-card {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .about-hero__container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .home-hero__title {
    font-size: 2rem;
  }

  .blog-header__title {
    font-size: 1.75rem;
  }

  .article-title {
    font-size: 1.5rem;
  }

  .btn {
    width: 100%;
  }

  .newsletter-input-group {
    flex-direction: column;
  }

  .newsletter-btn {
    width: 100%;
  }
}