/* ============================================
   Main stylesheet for Taiwan English Botanic Garden Blog
   Design style: Premium luxury + elegant layout + gold color palette
   ============================================ */

/* ===== CSS Variables System ===== */
:root {
  /* Color system - Luxury gold theme color palette */
  --color-primary: #D4AF37;
  /* Classic gold */
  --color-primary-light: #F4E87C;
  /* Light gold */
  --color-primary-dark: #B8860B;
  /* Dark gold */
  --color-secondary: #2C1810;
  /* Deep burgundy */
  --color-accent: #8B4513;
  /* Saddle brown */
  --color-text: #1A1A1A;
  /* Rich black */
  --color-text-light: #4A4A4A;
  /* Dark gray */
  --color-text-lighter: #6B6B6B;
  /* Medium gray */
  --color-bg: #FAF9F7;
  /* Premium cream */
  --color-bg-alt: #FFFFFF;
  /* Pure white */
  --color-border: #E8E2D1;
  /* Gold-tinted border */
  --color-card-bg: #FFFFFF;
  /* Card background */

  /* Spacing system */
  --space-unit: 1rem;
  --space-xs: calc(0.25 * var(--space-unit));
  --space-sm: calc(0.5 * var(--space-unit));
  --space-md: calc(1 * var(--space-unit));
  --space-lg: calc(1.5 * var(--space-unit));
  --space-xl: calc(2 * var(--space-unit));
  --space-xxl: calc(3 * var(--space-unit));

  /* Border radius system */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  /* Shadow system - Premium shadows */
  --shadow-sm: 0 2px 12px rgba(212, 175, 55, 0.08);
  --shadow-md: 0 6px 20px rgba(212, 175, 55, 0.12);
  --shadow-lg: 0 12px 32px rgba(212, 175, 55, 0.15);
  --shadow-xl: 0 20px 48px rgba(212, 175, 55, 0.18);
  --shadow-glow: 0 0 30px rgba(212, 175, 55, 0.3);

  /* Font system - Luxury typography */
  --font-heading: 'Playfair Display', 'Times New Roman', serif;
  --font-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  /* Container width */
  --container-width: 1280px;
  --container-padding: var(--space-lg);

  /* Transition effects */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== Global Reset and Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

ul,
ol {
  list-style-position: inside;
}

/* ===== Typography System ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.3px;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  font-size: 2.5rem;
  letter-spacing: -0.5px;
  color: var(--color-text);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.section-title::after {
  content: '';
  display: block;
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: var(--space-md) auto;
  /* border-radius: 2px; */
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

/* ===== Navigation Bar ===== */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: all var(--transition-normal);
  border-bottom: 1px solid var(--color-border);
}

.navbar.scrolled {
  padding: 10px 0;
  box-shadow: var(--shadow-md);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  text-shadow: 0 1px 2px rgba(212, 175, 55, 0.2);
}

.logo-icon {
  width: 32px;
  height: 32px;
  margin-right: var(--space-sm);
  fill: var(--color-primary);
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
}

.nav-menu li {
  list-style: none;
}

.nav-link {
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-sm) var(--space-md);
  position: relative;
  transition: all var(--transition-normal);
  /* border-radius: var(--radius-md); */
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: rgba(212, 175, 55, 0.08);
  transform: translateY(-1px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transition: all var(--transition-normal);
  transform: translateX(-50%);
  /* border-radius: 1px; */
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  padding: var(--space-sm) var(--space-lg);
  /* border-radius: var(--radius-lg); */
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(212, 175, 55, 0.3);
  transition: all var(--transition-normal);
}

.nav-cta:hover {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px 0;
  transition: var(--transition-normal);
}

/* ===== Featured Content Section ===== */
.featured-section {
  padding: var(--space-xxl) 0 var(--space-xl);
  /* margin-top: 80px; */
  position: relative;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.03), rgba(184, 134, 11, 0.02));
  /* border-radius: 0 0 var(--radius-xl) var(--radius-xl); */
  overflow: hidden;
}

.featured-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.featured-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.featured-content {
  padding-right: var(--space-xl);
}

.featured-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  padding: var(--space-sm) var(--space-lg);
  /* border-radius: var(--radius-lg); */
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.featured-title {
  font-size: 3.2rem;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  letter-spacing: -1px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
}

.featured-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  /* border-radius: 2px; */
}

.featured-description {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.featured-image {
  /* border-radius: var(--radius-xl); */
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.featured-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.featured-image:hover img {
  transform: scale(1.05);
}

/* ===== Category Navigation Section ===== */
.categories-section {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-alt);
}

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

.category-card {
  background-color: var(--color-card-bg);
  border: 5px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  /* border-radius: var(--radius-lg); */
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 5px solid var(--color-border);
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.category-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-md);
  fill: var(--color-primary);
}

.category-card h3 {
  margin-bottom: 0;
}

.category-card p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  flex-grow: 1;
}

/* ===== Latest Content Section ===== */
.latest-section {
  padding: var(--space-xl) 0;
}

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

.article-card {
  background-color: var(--color-card-bg);
  /* border-radius: var(--radius-xl); */
  overflow: hidden;
  box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 5px solid var(--color-border);
  position: relative;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), inset 0 0 0 2px rgba(212, 175, 55, 0.2);
  border-color: rgba(212, 175, 55, 0.4);
}

.article-card:hover::before {
  opacity: 1;
}

.article-image {
  height: 200px;
  overflow: hidden;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:hover .article-image img {
  transform: scale(1.05);
}

.article-content {
  padding: var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  display: flex;
  /* justify-content: space-between; */
  font-size: 0.875rem;
  color: var(--color-text-lighter);
  margin-bottom: var(--space-sm);
}

.article-category {
  color: var(--color-primary);
  font-weight: 600;
}

.article-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  flex-grow: 1;
}

.article-excerpt {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--color-primary);
  align-self: flex-start;
}

.read-more svg {
  margin-left: var(--space-xs);
  transition: transform var(--transition-fast);
}

.read-more:hover svg {
  transform: translateX(3px);
}

/* ===== Featured Plants Section ===== */
.featured-plants-section {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-alt);
}

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

.plant-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  /* border-radius: var(--radius-lg); */
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.plant-card.large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.plant-image {
  height: 250px;
  overflow: hidden;
}

.plant-card.large .plant-image {
  height: 100%;
}

.plant-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.plant-card:hover .plant-image img {
  transform: scale(1.05);
}

.plant-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.plant-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.plant-latin {
  font-style: italic;
  color: var(--color-text-lighter);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
}

.plant-features {
  margin-bottom: var(--space-md);
}

.plant-features li {
  list-style: none;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
}

.plant-features svg {
  width: 16px;
  height: 16px;
  margin-right: var(--space-sm);
  fill: var(--color-primary);
}

/* ===== Practical Information Section ===== */
.practical-info-section {
  padding: var(--space-xl) 0;
}

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

.info-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  /* border-radius: var(--radius-lg); */
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.info-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  fill: var(--color-primary);
}

.info-card h3 {
  margin-bottom: var(--space-md);
}

.hours-list {
  text-align: left;
}

.hours-list li {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

/* ===== Gallery Section ===== */
.gallery-section {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-alt);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 200px;
  gap: var(--space-md);
}

.gallery-item {
  /* border-radius: var(--radius-md); */
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  color: white;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* ===== Newsletter Section ===== */
.newsletter-section {
  padding: var(--space-xl) 0;
  background-color: var(--color-primary);
  color: white;
}

.newsletter-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-title {
  color: white;
  margin-bottom: var(--space-sm);
}

.newsletter-title::after {
  background-color: white;
}

.newsletter-description {
  margin-bottom: var(--space-lg);
  color: rgba(255, 255, 255, 0.9);
}

.newsletter-form {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-input {
  flex-grow: 1;
  padding: var(--space-md);
  border: none;
  /* border-radius: var(--radius-md) 0 0 var(--radius-md); */
  font-family: var(--font-body);
  font-size: 1rem;
}

.newsletter-button {
  background-color: var(--color-accent);
  color: white;
  border: none;
  padding: var(--space-md) var(--space-lg);
  /* border-radius: 0 var(--radius-md) var(--radius-md) 0; */
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.newsletter-button:hover {
  background-color: #D18A5F;
}

/* ===== Footer ===== */
.footer {
  background-color: #1A1A1A;
  color: #CCCCCC;
  padding: var(--space-xxl) 0 var(--space-xl);
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.footer-links-section {
  text-align: center;
}

.footer-links-section h3 {
  color: white;
  margin-bottom: var(--space-lg);
  font-size: 1.125rem;
}

.footer-links-section .footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-section .footer-links li {
  display: inline;
}

.footer-links-section .footer-links a {
  color: #CCCCCC;
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  /* border-radius: var(--radius-sm); */
  transition: all var(--transition-fast);
}

.footer-links-section .footer-links a:hover {
  color: white;
  background-color: var(--color-primary);
}


/* ===== Button Styles ===== */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  /* border-radius: var(--radius-lg); */
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-family: var(--font-body);
  font-size: 1rem;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

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

.btn-accent:hover {
  background-color: #D18A5F;
  color: white;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
  :root {
    --container-padding: var(--space-md);
  }

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

  .featured-content {
    padding-right: 0;
  }

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

  .plant-card.large {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .mobile-toggle {
    margin-left: auto;
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 51px;
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .featured-title {
    font-size: 2.25rem;
  }

  .categories-grid,
  .latest-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding: 10px 0 !important;
  }

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

  .gallery-item:nth-child(1) {
    grid-column: span 1;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-input {
    /* border-radius: var(--radius-md); */
    margin-bottom: var(--space-sm);
  }

  .newsletter-button {
    /* border-radius: var(--radius-md); */
    width: 100%;
  }

  .footer-links-section .footer-links {
    flex-direction: column;
    gap: var(--space-md);
  }

  .footer-links-section .footer-links a {
    display: block;
    text-align: center;
  }

  /* List page responsive */
  .list-main {
    /* padding-top: 80px; */
  }

  .articles-main {
    /* padding: var(--space-lg); */
  }

  .articles-sidebar {
    padding: var(--space-md);
  }

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

  /* Pagination responsive */
  .pagination,
  .post-pagination,
  .blog-page__pagination {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .pagination a,
  .pagination span,
  .post-pagination a,
  .post-pagination span,
  .blog-page__pagination a,
  .blog-page__pagination span {
    min-width: 35px;
    height: 35px;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.875rem;
  }

  /* Detail page */
  .detail-container {
    padding-top: 80px;
  }

  .detail-layout {
    display: block !important;
  }

  .articles-layout {
    display: block !important;
  }

  .articles-main {
    margin-bottom: 30px;
  }

  .article-main {
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
  }

  .detail-sidebar {
    padding: var(--space-md);
  }

  .article-meta {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: flex-start;
  }

  .key-info-card {
    padding: var(--space-md);
  }

  .table-of-contents {
    padding: var(--space-md);
  }

  .related-articles-grid {
    grid-template-columns: 1fr;
  }

  /* Standalone page */
  .article-wrap {
    padding: var(--space-lg);
  }

  .alone-body {
    font-size: 1rem;
  }

  .alone-body h1 {
    font-size: 2rem;
  }

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

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

  .form-group input,
  .form-group textarea {
    padding: var(--space-sm);
  }
}

/* ===== Small Screen Mobile (480px and below) ===== */
@media (max-width: 480px) {
  :root {
    --space-unit: 0.875rem;
  }

  /* Featured content */
  .featured-title {
    font-size: 1.875rem;
  }

  .featured-image img {
    height: 300px;
  }

  /* Detail page */
  .article-categories {
    justify-content: center;
  }

  .article-category {
    font-size: 0.8125rem;
  }

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

  .share-btn {
    flex: 1;
    min-width: 0;
  }

  /* Standalone page */
  .article-wrap {
    padding: var(--space-md);
  }

  .alone-body h1 {
    font-size: 1.75rem;
  }

  .comments-area {
    padding: var(--space-md);
  }
}


/* ===== Detail Page Styles ===== */
.detail-container {
  padding-top: 20px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.article-main {
  background-color: var(--color-card-bg);
  border: 5px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.detail-sidebar {
  background-color: var(--color-card-bg);
  border: 5px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  height: fit-content;
  /* position: sticky; */
  top: 90px;
}

/* ===== Breadcrumb Navigation ===== */
.breadcrumb {
  margin-bottom: var(--space-lg);
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-xs);
  font-size: 0.875rem;
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  margin-left: var(--space-xs);
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

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

.breadcrumb li[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

/* ===== Article Header ===== */
.article-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.article-categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.article-category {
  display: inline-block;
  color: var(--color-primary);
  /* border-radius: var(--radius-sm); */
  font-size: 0.875rem;
  font-weight: 600;
}

.article-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-text-lighter);
}

.meta-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
}

.meta-item svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
}

/* ===== Key Information Card ===== */
.key-info-card {
  background-color: var(--color-bg-alt);
  /* border-radius: var(--radius-lg); */
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  border: 1px solid var(--color-border);
}

.key-info-header {
  margin-bottom: var(--space-lg);
}

.key-info-header h3 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-primary);
  font-size: 1.125rem;
}

.key-info-header svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
}

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

.key-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.key-info-item:last-child {
  border-bottom: none;
}

.key-info-item strong {
  color: var(--color-text);
  font-weight: 600;
}

.status-safe {
  color: #059669;
  font-weight: 600;
}

/* ===== Table of Contents Navigation ===== */
.table-of-contents {
  background-color: var(--color-bg-alt);
  /* border-radius: var(--radius-lg); */
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  border: 1px solid var(--color-border);
}

.table-of-contents h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

.table-of-contents ul {
  list-style: none;
  padding: 0;
}

.table-of-contents li {
  margin-bottom: var(--space-xs);
}

.table-of-contents a {
  color: var(--color-text-light);
  text-decoration: none;
  padding: var(--space-xs) 0;
  display: block;
  transition: color var(--transition-fast);
  border-left: 3px solid transparent;
  padding-left: var(--space-sm);
}

.table-of-contents a:hover {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

/* ===== Article Content ===== */
.article-content {
  line-height: 1.8;
}

.article-content img {
  display: block;
  margin: 20px auto;
  max-width: 100%;
  height: auto;
}

.article-content p {
  margin-bottom: 1em;
}

.article-content h2 {
  margin-top: var(--space-xxl);
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--space-sm);
}

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

.article-content h4 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  font-weight: 600;
}

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

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

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

.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin: var(--space-lg) 0;
  font-style: italic;
  color: var(--color-text-light);
  background-color: var(--color-bg-alt);
  padding: var(--space-md);
  /* border-radius: var(--radius-md); */
}

/* ===== Article Images ===== */
.article-image-large {
  margin: var(--space-xl) 0;
  text-align: center;
}

.article-image-large img {
  width: 100%;
  height: auto;
  /* border-radius: var(--radius-lg); */
  box-shadow: var(--shadow-md);
}

.article-image-large figcaption {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-lighter);
  font-style: italic;
}

/* ===== Related Articles ===== */
.related-articles-section {
  margin-top: var(--space-xxl);
  margin-bottom: var(--space-xxl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.related-articles-title {
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

/* ===== Tag Styles ===== */
.article-tags {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.article-tags h4 {
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag-link {
  display: inline-block;
  background-color: var(--color-bg-alt);
  color: var(--color-text-light);
  padding: var(--space-xs) var(--space-md);
  /* border-radius: var(--radius-sm); */
  font-size: 0.875rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
}

.tag-link:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ===== Share Buttons ===== */
.share-buttons {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.share-buttons h4 {
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.share-links {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  /* border-radius: var(--radius-md); */
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  min-width: 100px;
}

.share-btn.facebook {
  background-color: #1877f2;
  color: white;
}

.share-btn.twitter {
  background-color: #1da1f2;
  color: white;
}

.share-btn.linkedin {
  background-color: #0077b5;
  color: white;
}

.share-btn.email {
  background-color: var(--color-secondary);
  color: white;
}

.share-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== Page Header ===== */
.page-header {
  background-color: var(--color-bg-alt);
  padding: var(--space-xl) 0 var(--space-xl);
}

.page-title-section {
  text-align: center;
  margin-top: var(--space-lg);
}

.page-main-title {
  /* font-size: 2.5rem; */
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

/* ===== List Page Layout ===== */
.list-main {
  /* padding-top: 70px; */
}

.articles-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.articles-main {
  /* background-color: var(--color-card-bg); */
  /* border-radius: var(--radius-lg); */
  /* padding: var(--space-xl); */
  box-shadow: var(--shadow-sm);
}

.articles-sidebar {
  background-color: var(--color-card-bg);
  border: 5px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  height: fit-content;
  /* position: sticky; */
  top: 90px;
}

/* ===== Pagination Styles ===== */
.pagination-wrapper {
  margin-top: var(--space-xl);
  /* padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border); */
  text-align: center;
}

.pagination-container {
  margin-top: var(--space-lg);
}

.post-pagination,
.blog-page__pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.post-pagination li,
.blog-page__pagination li {
  display: flex;
}

.post-pagination a,
.blog-page__pagination a,
.post-pagination span,
.blog-page__pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: var(--space-sm) var(--space-md);
  /* border-radius: var(--radius-md); */
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  border: 3px solid var(--color-border);
  background-color: var(--color-card-bg);
  color: var(--color-text);
}

.post-pagination a:hover,
.blog-page__pagination a:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.post-pagination .current,
.blog-page__pagination .current {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  font-weight: 600;
}

/* General pagination styles */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: var(--space-sm) var(--space-md);
  /* border-radius: var(--radius-md); */
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
  background-color: var(--color-card-bg);
  color: var(--color-text);
}

.pagination a:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.pagination .current,
.pagination .active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  font-weight: 600;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: var(--space-xxl) 0;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
}

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

.empty-text {
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  font-size: 1.125rem;
}

/* ===== Sidebar Components ===== */
.sidebar-widget {
  margin-bottom: var(--space-xl);
}

.sidebar-widget:last-child {
  margin-bottom: 0;
}

.widget-title {
  font-size: 1.125rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ===== Tag Cloud ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag-item {
  display: inline-block;
  background-color: var(--color-bg-alt);
  color: var(--color-text-light);
  padding: var(--space-xs) var(--space-sm);
  /* border-radius: var(--radius-sm); */
  font-size: 0.875rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
}

.tag-item:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

/* ===== Popular Articles ===== */
.popular-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.popular-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.popular-content h4 {
  font-size: 0.9375rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.popular-content h4 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.popular-content h4 a:hover {
  color: var(--color-primary);
}

.popular-content .article-meta {
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
}

/* ===== Category List ===== */
.categories-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category-item {
  margin-bottom: var(--space-xs);
}

.category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  /* border-radius: var(--radius-md); */
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.category-link:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-border);
  color: var(--color-primary);
}

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

.category-name {
  font-weight: 500;
}

.category-count {
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
  background-color: var(--color-bg-alt);
  padding: 2px var(--space-xs);
  /* border-radius: var(--radius-sm); */
}

.category-item.active .category-count {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
}

/* ===== Standalone Page Styles ===== */
.article-wrap {
  background-color: var(--color-card-bg);
  border: 5px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  /* border-radius: var(--radius-lg); */
  /* border-radius: var(--radius-lg); */
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-xl);
}

.alone-body {
  line-height: 1.8;
  color: var(--color-text);
  font-size: 1.125rem;
}

.alone-body h1,
.alone-body h2,
.alone-body h3,
.alone-body h4,
.alone-body h5,
.alone-body h6 {
  color: var(--color-primary);
  margin-top: var(--space-xxl);
  margin-bottom: var(--space-lg);
  font-weight: 600;
}

.alone-body h1 {
  font-size: 2.25rem;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--space-sm);
}

.alone-body h2 {
  font-size: 1.875rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-xs);
}

.alone-body p {
  margin-bottom: var(--space-lg);
}

.alone-body ul,
.alone-body ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.alone-body li {
  margin-bottom: var(--space-sm);
}

.alone-body blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin: var(--space-lg) 0;
  font-style: italic;
  color: var(--color-text-light);
  background-color: var(--color-bg-alt);
  padding: var(--space-lg);
  /* border-radius: var(--radius-md); */
}

.alone-body img {
  max-width: 100%;
  height: auto;
  /* border-radius: var(--radius-md); */
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-sm);
}

.alone-body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  background-color: var(--color-card-bg);
  /* border-radius: var(--radius-md); */
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.alone-body th,
.alone-body td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.alone-body th {
  background-color: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-primary);
}

/* ===== Comment Area Styles ===== */
.comments-area {
  background-color: var(--color-card-bg);
  border: 5px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
  /* border-radius: var(--radius-lg); */
  /* border-radius: var(--radius-lg); */
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  margin-top: var(--space-xl);
}

.comment-respond {
  margin-top: var(--space-xl);
}

.comment-reply-title {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  font-size: 1.25rem;
  font-weight: 600;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* ===== Luxury Decorative Elements ===== */
.gold-accent-line {
  position: relative;
  margin: var(--space-xl) 0;
}

.gold-accent-line::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  transform: translateY(-50%);
}

.gold-accent-line::after {
  content: '✦';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-primary);
  font-size: 1.5rem;
  background-color: var(--color-bg);
  padding: 0 var(--space-sm);
}

/* Luxury hover effects */
.article-card,
.featured-section,
.navbar {
  /* position: relative; */
}

.article-card::after,
.featured-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(212, 175, 55, 0.02), transparent);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.article-card:hover::after,
.featured-section:hover::after {
  opacity: 1;
}

/* Premium typography enhancements */
h1, h2, h3, h4, h5, h6 {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Elegant loading animation for images */
.article-image img,
.featured-image img {
  transition: all var(--transition-slow);
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(1.1);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
  /* border-radius: 4px; */
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary-light), var(--color-primary));
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

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

.form-group input,
.form-group textarea {
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  /* border-radius: var(--radius-md); */
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  background-color: var(--color-bg);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.comment-form button {
  align-self: flex-start;
  padding: var(--space-md) var(--space-xl);
  background-color: var(--color-primary);
  color: white;
  border: none;
  /* border-radius: var(--radius-md); */
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.comment-form button:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== Mobile Devices (768px and below) ===== */
@media (max-width: 768px) {

  /* Detail page */
  .detail-container {
    padding-top: 80px;
  }

  .article-main {
    padding: var(--space-lg);
  }

  .detail-sidebar {
    padding: var(--space-md);
  }

  .article-meta {
    flex-direction: column;
    /* gap: var(--space-sm); */
    align-items: flex-start;
    margin-bottom: 0;
  }

  .article-header {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
  }

  .key-info-card {
    padding: var(--space-md);
  }

  .table-of-contents {
    padding: var(--space-md);
  }

  .related-articles-grid {
    grid-template-columns: 1fr;
  }

  .breadcrumb {
    display: none;
  }

  .navbar {
    padding: 5px 0;
  }

  .logo {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.8rem;
  }
}