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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: #0f172a;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: #0f172a;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.875rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
  color: #475569;
}

a {
  color: #2563eb;
  text-decoration: none;
  transition: color 150ms ease-in-out;
}
a:hover {
  color: #1d4ed8;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

code {
  font-family: "Courier New", Courier, monospace;
  font-size: 0.875rem;
  background-color: #f8fafc;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  color: #0f172a;
}

pre {
  background-color: #f8fafc;
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}
pre code {
  background: none;
  padding: 0;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 200ms ease-in-out;
  text-decoration: none;
}
.btn:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}
.btn.btn-primary {
  background-color: #2563eb;
  color: white;
}
.btn.btn-primary:hover {
  background-color: #1d4ed8;
  color: white;
}
.btn.btn-secondary {
  background-color: #f8fafc;
  color: #0f172a;
  border: 1px solid #e2e8f0;
}
.btn.btn-secondary:hover {
  background-color: #f1f5f9;
  color: #0f172a;
}
.btn.btn-sm {
  padding: 0.25rem 1rem;
  font-size: 0.875rem;
}
.btn.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all 200ms ease-in-out;
}
.card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 0.25rem;
}
.badge.badge-primary {
  background-color: rgba(37, 99, 235, 0.1);
  color: #2563eb;
}
.badge.badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}
.badge.badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}
.badge.badge-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

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

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

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

.text-muted {
  color: #64748b;
}

.text-primary {
  color: #2563eb;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mt-4 {
  margin-top: 2rem;
}

.site-header {
  background-color: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-header .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  text-decoration: none;
}
.site-header .logo i {
  color: #2563eb;
  font-size: 1.5rem;
}
.site-header .logo:hover {
  color: #0f172a;
}
.site-header .nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-header .nav li {
  margin: 0;
}
.site-header .nav a {
  color: #475569;
  font-weight: 500;
  font-size: 1rem;
  transition: color 150ms ease-in-out;
}
.site-header .nav a:hover {
  color: #2563eb;
}
.site-header .nav a.active {
  color: #2563eb;
}
.site-header .search-form {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  max-width: 400px;
  min-width: 200px;
}
.site-header .search-form input[type=search] {
  flex: 1;
  padding: 0.5rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem 0 0 0.5rem;
  border-right: none;
  font-size: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  transition: all 200ms ease-in-out;
}
.site-header .search-form input[type=search]:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.site-header .search-form input[type=search]:focus + .search-btn {
  border-color: #2563eb;
}
.site-header .search-form input[type=search]::-moz-placeholder {
  color: #64748b;
}
.site-header .search-form input[type=search]::placeholder {
  color: #64748b;
}
.site-header .search-form .search-btn {
  padding: 0.5rem 1rem;
  background-color: #2563eb;
  border: 1px solid #2563eb;
  border-radius: 0 0.5rem 0.5rem 0;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 150ms ease-in-out;
}
.site-header .search-form .search-btn:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
}
.site-header .menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #0f172a;
  cursor: pointer;
  padding: 0.5rem;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .site-header .container {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas: "logo toggle" "search search";
    gap: 0.5rem;
  }
  .site-header .logo {
    grid-area: logo;
  }
  .site-header .menu-toggle {
    grid-area: toggle;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .site-header .search-form {
    grid-area: search;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .site-header .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }
  .site-header .nav.active {
    display: flex;
  }
}

.site-footer {
  background-color: #f8fafc;
  border-top: 1px solid #e2e8f0;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}
.site-footer .footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer .footer-section h4 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: #0f172a;
}
.site-footer .footer-section p {
  color: #475569;
  font-size: 0.875rem;
}
.site-footer .footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer .footer-section ul li {
  margin-bottom: 0.5rem;
}
.site-footer .footer-section ul a {
  color: #475569;
  font-size: 0.875rem;
  transition: color 150ms ease-in-out;
}
.site-footer .footer-section ul a:hover {
  color: #2563eb;
}
.site-footer .social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}
.site-footer .social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  color: #475569;
  font-size: 1.125rem;
  transition: all 200ms ease-in-out;
}
.site-footer .social-links a:hover {
  color: #2563eb;
  border-color: #2563eb;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.site-footer .footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
  text-align: center;
}
.site-footer .footer-bottom p {
  color: #64748b;
  font-size: 0.875rem;
  margin: 0;
}
.site-footer .footer-bottom a {
  color: #64748b;
}
.site-footer .footer-bottom a:hover {
  color: #2563eb;
}
@media (max-width: 768px) {
  .site-footer .footer-content {
    grid-template-columns: 1fr;
  }
}

.hero {
  padding: 4rem 0;
  text-align: center;
}
.hero .hero-content {
  max-width: 800px;
  margin: 0 auto;
}
.hero h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.875rem;
  }
}
@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.5rem;
  }
}
.hero .subtitle {
  font-size: 1.25rem;
  color: #475569;
  margin-bottom: 2rem;
  line-height: 1.75;
}
@media (max-width: 768px) {
  .hero .subtitle {
    font-size: 1.125rem;
  }
}
.hero .hero-image {
  margin-top: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero .hero-image img {
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
}

.categories-section {
  padding: 4rem 0;
}
.categories-section .section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.categories-section .section-header h2 {
  font-size: 1.875rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .categories-section .section-header h2 {
    font-size: 1.5rem;
  }
}
.categories-section .section-header p {
  font-size: 1.125rem;
  color: #475569;
}
@media (max-width: 768px) {
  .categories-section .section-header p {
    font-size: 1rem;
  }
}
.categories-section .categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .categories-section .categories-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
  }
}
@media (max-width: 640px) {
  .categories-section .categories-grid {
    grid-template-columns: 1fr;
  }
}
.categories-section .category-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 200ms ease-in-out;
  text-decoration: none;
  display: block;
  min-width: 0;
}
.categories-section .category-card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border-color: #2563eb;
}
.categories-section .category-card .icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: 0.75rem;
}
.categories-section .category-card .icon i {
  font-size: 1.875rem;
  color: #2563eb;
  display: block;
}
.categories-section .category-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
  word-wrap: break-word;
}
.categories-section .category-card p {
  font-size: 0.875rem;
  color: #475569;
  margin-bottom: 1rem;
  line-height: 1.75;
}
.categories-section .category-card .count {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: #64748b;
}
.categories-section .category-card .count i {
  font-size: 0.75rem;
}

.featured-section {
  padding: 3rem 0;
}
.featured-section .section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.featured-section .section-header h2 {
  font-size: 1.875rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .featured-section .section-header h2 {
    font-size: 1.5rem;
  }
}
.featured-section .section-header p {
  font-size: 1.125rem;
  color: #475569;
}
@media (max-width: 768px) {
  .featured-section .section-header p {
    font-size: 1rem;
  }
}
.featured-section .sheets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .featured-section .sheets-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
  }
}
@media (max-width: 640px) {
  .featured-section .sheets-grid {
    grid-template-columns: 1fr;
  }
}
.featured-section .sheet-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all 200ms ease-in-out;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.featured-section .sheet-card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}
.featured-section .sheet-card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.featured-section .sheet-card .card-header .category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 1rem;
  background-color: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}
.featured-section .sheet-card .card-header .category-badge i {
  font-size: 0.75rem;
  flex-shrink: 0;
}
.featured-section .sheet-card .card-header .difficulty {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-weight: 500;
  white-space: nowrap;
}
.featured-section .sheet-card .card-header .difficulty.easy {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}
.featured-section .sheet-card .card-header .difficulty.medium {
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}
.featured-section .sheet-card .card-header .difficulty.hard {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}
.featured-section .sheet-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
@media (max-width: 640px) {
  .featured-section .sheet-card h3 {
    font-size: 1.125rem;
  }
}
.featured-section .sheet-card p {
  font-size: 0.875rem;
  color: #475569;
  margin-bottom: 1rem;
  line-height: 1.75;
  flex: 1;
  word-wrap: break-word;
}
.featured-section .sheet-card .card-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: #64748b;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
  margin-top: auto;
  flex-wrap: wrap;
}
.featured-section .sheet-card .card-footer .views {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.featured-section .sheet-card .card-footer .views i {
  font-size: 0.875rem;
  flex-shrink: 0;
}

.stats-section {
  background-color: #f8fafc;
}
.stats-section .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  text-align: center;
}
@media (max-width: 640px) {
  .stats-section .stats-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}
.stats-section .stats-grid .stat-item {
  padding: 2rem;
}
@media (max-width: 640px) {
  .stats-section .stats-grid .stat-item {
    padding: 1.5rem;
  }
}
.stats-section .stats-grid .stat-item .stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: #2563eb;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .stats-section .stats-grid .stat-item .stat-number {
    font-size: 1.875rem;
  }
}
.stats-section .stats-grid .stat-item .stat-label {
  font-size: 1rem;
  color: #475569;
}
@media (max-width: 768px) {
  .stats-section .stats-grid .stat-item .stat-label {
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 2rem 0;
  }
  .categories-section,
  .featured-section,
  .stats-section {
    padding: 2rem 0;
  }
  .category-card,
  .sheet-card {
    padding: 1rem;
  }
  .section-header {
    margin-bottom: 1.5rem;
  }
}
.how-it-works-section {
  padding: 4rem 0;
  background-color: #f8fafc;
}
.how-it-works-section .section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.how-it-works-section .section-header h2 {
  font-size: 1.875rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .how-it-works-section .section-header h2 {
    font-size: 1.5rem;
  }
}
.how-it-works-section .section-header p {
  font-size: 1.125rem;
  color: #475569;
}
@media (max-width: 768px) {
  .how-it-works-section .section-header p {
    font-size: 1rem;
  }
}
.how-it-works-section .steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 768px) {
  .how-it-works-section .steps-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 400px;
    margin: 0 auto;
  }
}
.how-it-works-section .step-card {
  text-align: center;
  position: relative;
}
.how-it-works-section .step-card .step-number {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background-color: #2563eb;
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 480px) {
  .how-it-works-section .step-card .step-number {
    top: 10px;
  }
}
.how-it-works-section .step-card .step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 50%;
}
.how-it-works-section .step-card .step-icon i {
  font-size: 1.875rem;
  color: #2563eb;
}
.how-it-works-section .step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
}
.how-it-works-section .step-card p {
  font-size: 0.875rem;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 0;
}

.features-section {
  padding: 4rem 0;
}
.features-section .section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.features-section .section-header h2 {
  font-size: 1.875rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .features-section .section-header h2 {
    font-size: 1.5rem;
  }
}
.features-section .section-header p {
  font-size: 1.125rem;
  color: #475569;
}
@media (max-width: 768px) {
  .features-section .section-header p {
    font-size: 1rem;
  }
}
.features-section .features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1024px) {
  .features-section .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .features-section .features-grid {
    grid-template-columns: 1fr;
  }
}
.features-section .feature-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
}
.features-section .feature-card .feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: 0.75rem;
}
.features-section .feature-card .feature-icon i {
  font-size: 1.5rem;
  color: #2563eb;
}
.features-section .feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
}
.features-section .feature-card p {
  font-size: 0.875rem;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 0;
}

.cta-section {
  padding: 4rem 0;
  background-color: #f8fafc;
}
.cta-section .cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-section .cta-content h2 {
  font-size: 1.875rem;
  color: #0f172a;
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .cta-section .cta-content h2 {
    font-size: 1.5rem;
  }
}
.cta-section .cta-content p {
  font-size: 1.125rem;
  color: #475569;
  margin-bottom: 2rem;
  line-height: 1.75;
}
@media (max-width: 768px) {
  .cta-section .cta-content p {
    font-size: 1rem;
  }
}
.cta-section .cta-content .btn {
  background-color: #2563eb;
  color: white;
  font-weight: 600;
}
.cta-section .cta-content .btn:hover {
  background-color: #1d4ed8;
}

@media (max-width: 480px) {
  .how-it-works-section,
  .features-section,
  .cta-section {
    padding: 3rem 0;
  }
  .step-card,
  .feature-card {
    padding: 1.5rem;
  }
  .cta-content {
    padding: 0 1rem;
  }
}
.category-page {
  padding: 2rem 0;
}

.page-hero {
  text-align: center;
  padding: 3rem 0 2rem 0;
  margin-bottom: 2rem;
}
.page-hero h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .page-hero h1 {
    font-size: 1.875rem;
  }
}
.page-hero .subtitle {
  font-size: 1.25rem;
  color: #475569;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.75;
}

.category-header {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  padding: 3rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  margin-bottom: 3rem;
}
@media (max-width: 768px) {
  .category-header {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}
.category-header .category-icon-large {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: 0.75rem;
}
.category-header .category-icon-large i {
  font-size: 48px;
  color: #2563eb;
}
.category-header .category-info {
  flex: 1;
}
.category-header .category-info h1 {
  font-size: 1.875rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .category-header .category-info h1 {
    font-size: 1.5rem;
  }
}
.category-header .category-info .category-description {
  font-size: 1.125rem;
  color: #475569;
  margin-bottom: 1rem;
  line-height: 1.75;
}
.category-header .category-info .category-stats {
  display: flex;
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .category-header .category-info .category-stats {
    justify-content: center;
  }
}
.category-header .category-info .category-stats .stat {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: #64748b;
  font-size: 0.875rem;
}
.category-header .category-info .category-stats .stat i {
  color: #2563eb;
}

.sheets-section .sheets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.sheets-section .sheet-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all 200ms ease-in-out;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.sheets-section .sheet-card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border-color: #2563eb;
}
.sheets-section .sheet-card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 0.5rem;
}
.sheets-section .sheet-card .card-header .difficulty {
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
}
.sheets-section .sheet-card .card-header .difficulty.difficulty-easy {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}
.sheets-section .sheet-card .card-header .difficulty.difficulty-medium {
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}
.sheets-section .sheet-card .card-header .difficulty.difficulty-hard {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}
.sheets-section .sheet-card .card-header .featured-badge {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
}
.sheets-section .sheet-card .card-header .featured-badge i {
  font-size: 0.75rem;
}
.sheets-section .sheet-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
}
.sheets-section .sheet-card p {
  font-size: 0.875rem;
  color: #475569;
  margin-bottom: 1rem;
  line-height: 1.75;
  flex: 1;
}
.sheets-section .sheet-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: #64748b;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
  margin-top: auto;
}
.sheets-section .sheet-card .card-footer .views,
.sheets-section .sheet-card .card-footer .updated {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.sheets-section .sheet-card .card-footer .views i,
.sheets-section .sheet-card .card-footer .updated i {
  font-size: 0.875rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}
.pagination .pagination-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.5rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  color: #0f172a;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 150ms ease-in-out;
}
.pagination .pagination-btn:hover {
  background-color: #2563eb;
  color: white;
  border-color: #2563eb;
}
.pagination .pagination-btn i {
  font-size: 0.75rem;
}
.pagination .pagination-numbers {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.pagination .pagination-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 0.5rem;
  color: #0f172a;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 150ms ease-in-out;
  border: 1px solid transparent;
}
.pagination .pagination-number:hover {
  background-color: #f8fafc;
  border-color: #e2e8f0;
}
.pagination .pagination-number.active {
  background-color: #2563eb;
  color: white;
  pointer-events: none;
}
.pagination .pagination-dots {
  color: #64748b;
  padding: 0 0.25rem;
}

.no-results {
  text-align: center;
  padding: 4rem 1.5rem;
}
.no-results i {
  font-size: 64px;
  color: #64748b;
  margin-bottom: 1.5rem;
  opacity: 0.5;
}
.no-results h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
}
.no-results p {
  font-size: 1.125rem;
  color: #475569;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .sheets-section .sheets-grid {
    grid-template-columns: 1fr;
  }
  .pagination .pagination-numbers {
    flex-wrap: wrap;
  }
}
.sheet-page {
  padding: 2rem 0;
}
.sheet-page .container {
  max-width: 1200px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  flex-wrap: wrap;
}
.breadcrumbs a {
  color: #475569;
  transition: color 150ms ease-in-out;
}
.breadcrumbs a:hover {
  color: #2563eb;
}
.breadcrumbs .separator {
  color: #64748b;
}
.breadcrumbs .current {
  color: #0f172a;
  font-weight: 500;
}

.sheet-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 1024px) {
  .sheet-layout {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1024px) {
  .sheet-sidebar {
    top: 80px;
  }
}
.sheet-sidebar .toc-container {
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
}
.sheet-sidebar h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: #0f172a;
}
.sheet-sidebar .toc {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}
.sheet-sidebar .toc .toc-link {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  color: #475569;
  font-size: 0.875rem;
  transition: all 150ms ease-in-out;
  border: 1px solid transparent;
}
.sheet-sidebar .toc .toc-link:hover {
  background-color: #f8fafc;
  color: #2563eb;
}
.sheet-sidebar .sheet-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
}
.sheet-sidebar .sheet-actions .action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  color: #475569;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 150ms ease-in-out;
}
.sheet-sidebar .sheet-actions .action-btn i {
  font-size: 1rem;
}
.sheet-sidebar .sheet-actions .action-btn:hover {
  background-color: #2563eb;
  color: white;
  border-color: #2563eb;
}
.sheet-sidebar .sheet-actions .action-btn.bookmarked {
  background-color: #10b981;
  color: white;
  border-color: #10b981;
}
.sheet-sidebar .sheet-actions .action-btn.bookmarked i {
  font-weight: 900;
}
.sheet-sidebar .back-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  margin-top: 1.5rem;
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  color: #475569;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 150ms ease-in-out;
}
.sheet-sidebar .back-link i {
  font-size: 0.875rem;
  transition: transform 150ms ease-in-out;
}
.sheet-sidebar .back-link:hover {
  background-color: #f1f5f9;
  color: #2563eb;
  border-color: #2563eb;
}
.sheet-sidebar .back-link:hover i {
  transform: translateX(-3px);
}

.sheet-content {
  min-width: 0;
}
.sheet-content .sheet-header {
  margin-bottom: 3rem;
}
.sheet-content .sheet-header .sheet-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.sheet-content .sheet-header .sheet-meta .category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 1rem;
  background-color: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  border-radius: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 150ms ease-in-out;
}
.sheet-content .sheet-header .sheet-meta .category-badge i {
  font-size: 0.875rem;
}
.sheet-content .sheet-header .sheet-meta .category-badge:hover {
  background-color: #2563eb;
  color: white;
}
.sheet-content .sheet-header .sheet-meta .difficulty {
  padding: 0.25rem 1rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
}
.sheet-content .sheet-header .sheet-meta .difficulty.difficulty-easy {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}
.sheet-content .sheet-header .sheet-meta .difficulty.difficulty-medium {
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}
.sheet-content .sheet-header .sheet-meta .difficulty.difficulty-hard {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}
.sheet-content .sheet-header .sheet-meta .views {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: #64748b;
  font-size: 0.875rem;
}
.sheet-content .sheet-header .sheet-meta .views i {
  font-size: 0.875rem;
}
.sheet-content .sheet-header h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  line-height: 1.25;
}
@media (max-width: 768px) {
  .sheet-content .sheet-header h1 {
    font-size: 1.875rem;
  }
}
.sheet-content .sheet-header .sheet-description {
  font-size: 1.125rem;
  color: #475569;
  margin-bottom: 1rem;
  line-height: 1.75;
}
.sheet-content .sheet-header .updated-info {
  font-size: 0.875rem;
  color: #64748b;
}

.sheet-sections .content-section {
  margin-bottom: 3rem;
  scroll-margin-top: 100px;
}
.sheet-sections .content-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e2e8f0;
}

.code-block-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}
.code-block-wrapper .copy-code-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.25rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 150ms ease-in-out;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  z-index: 10;
}
.code-block-wrapper .copy-code-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}
.code-block-wrapper .copy-code-btn.copied {
  background-color: rgba(16, 185, 129, 0.3);
  color: #10b981;
  border-color: #10b981;
}
.code-block-wrapper pre {
  margin: 0;
  border-radius: 0.5rem;
  background-color: #1e1e1e;
  padding: 2rem;
  overflow-x: auto;
  max-width: 100%;
  width: 100%;
}
.code-block-wrapper pre::-webkit-scrollbar {
  height: 8px;
}
.code-block-wrapper pre::-webkit-scrollbar-track {
  background: #2d2d2d;
  border-radius: 0.25rem;
}
.code-block-wrapper pre::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 0.25rem;
}
.code-block-wrapper pre::-webkit-scrollbar-thumb:hover {
  background: #666;
}
.code-block-wrapper pre code {
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 15px;
  line-height: 1.8;
  color: #d4d4d4;
  white-space: pre;
  display: block;
  min-width: -moz-fit-content;
  min-width: fit-content;
}
.code-block-wrapper pre code .cmd, .code-block-wrapper pre code .header {
  color: #569cd6;
  font-weight: 500;
}
.code-block-wrapper pre code .example {
  color: #d4d4d4;
}
.code-block-wrapper pre code .output, .code-block-wrapper pre code .result {
  color: #dcdcaa;
}
.code-block-wrapper pre code .comment {
  color: #6a9955;
  font-style: italic;
}
.code-block-wrapper pre code .string {
  color: #ce9178;
}
.code-block-wrapper pre code .number {
  color: #b5cea8;
}

.related-sheets {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid #e2e8f0;
}
.related-sheets h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}
.related-sheets .related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .related-sheets .related-grid {
    grid-template-columns: 1fr;
  }
}
.related-sheets .related-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all 200ms ease-in-out;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.related-sheets .related-card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border-color: #2563eb;
}
.related-sheets .related-card .related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.related-sheets .related-card .related-header .related-category {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 1rem;
  background-color: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
}
.related-sheets .related-card .related-header .related-category i {
  font-size: 0.75rem;
}
.related-sheets .related-card .related-header .difficulty {
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
}
.related-sheets .related-card .related-header .difficulty.difficulty-easy {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}
.related-sheets .related-card .related-header .difficulty.difficulty-medium {
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}
.related-sheets .related-card .related-header .difficulty.difficulty-hard {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}
.related-sheets .related-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
}
.related-sheets .related-card p {
  font-size: 0.875rem;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 1rem;
  flex: 1;
}
.related-sheets .related-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: #64748b;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
  margin-top: auto;
  flex-wrap: wrap;
}
.related-sheets .related-card .card-footer .views,
.related-sheets .related-card .card-footer .updated {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.related-sheets .related-card .card-footer .views i,
.related-sheets .related-card .card-footer .updated i {
  font-size: 0.875rem;
}

@media (max-width: 1024px) {
  .sheet-sidebar .toc-container {
    margin-bottom: 2rem;
  }
}
@media (max-width: 768px) {
  .sheet-page {
    padding: 1rem 0;
  }
  .sheet-content .sheet-header h1 {
    font-size: 1.5rem;
  }
  .sheet-content .sheet-header .sheet-description {
    font-size: 1rem;
  }
  .sheet-sections .content-section h2 {
    font-size: 1.25rem;
  }
  .code-block-wrapper .copy-code-btn {
    position: static;
    margin-bottom: 0.25rem;
    width: 100%;
    justify-content: center;
    background-color: #2d2d2d;
    border-color: #555;
    color: #d4d4d4;
  }
  .code-block-wrapper .copy-code-btn:hover {
    background-color: #3d3d3d;
  }
  .code-block-wrapper pre {
    padding: 1rem;
  }
  .code-block-wrapper pre code {
    font-size: 14px;
  }
}
@media print {
  .sheet-sidebar {
    display: none;
  }
  .sheet-layout {
    grid-template-columns: 1fr;
  }
  .copy-code-btn {
    display: none;
  }
}
.blog-list-page {
  padding: 2rem 0;
}
.blog-list-page .page-hero {
  text-align: center;
  margin-bottom: 3rem;
}
.blog-list-page .page-hero h1 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .blog-list-page .page-hero h1 {
    font-size: 1.875rem;
  }
}
.blog-list-page .page-hero .subtitle {
  font-size: 1.125rem;
  color: #475569;
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .blog-list-page .page-hero .subtitle {
    font-size: 1rem;
  }
}
.blog-list-page .page-hero .posts-count {
  font-size: 0.875rem;
  color: #64748b;
}

.blog-grid-section {
  margin-bottom: 3rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
  }
}
@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 200ms ease-in-out;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.blog-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-color: #2563eb;
}
.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}
.blog-card a {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.blog-card .blog-card-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  flex-shrink: 0;
}
.blog-card .blog-card-image img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  transition: transform 300ms ease-in-out;
}
.blog-card .blog-card-image .blog-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.25rem 1rem;
  background-color: #2563eb;
  color: white;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 0.25rem;
  text-transform: capitalize;
}
.blog-card .blog-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card .blog-card-content h2, .blog-card .blog-card-content h3 {
  font-size: 1.25rem;
  color: #0f172a;
  margin-bottom: 0.5rem;
  line-height: 1.25;
}
@media (max-width: 768px) {
  .blog-card .blog-card-content h2, .blog-card .blog-card-content h3 {
    font-size: 1.125rem;
  }
}
.blog-card .blog-card-content p {
  font-size: 0.875rem;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 1rem;
  flex: 1;
}
.blog-card .blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: #64748b;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
  flex-wrap: wrap;
  margin-top: auto;
  justify-content: space-between;
}
.blog-card .blog-card-meta .author, .blog-card .blog-card-meta .date {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.blog-card .blog-card-meta .author i, .blog-card .blog-card-meta .date i {
  font-size: 0.75rem;
}

.blog-post-page {
  padding: 2rem 0;
}

.blog-post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 1024px) {
  .blog-post-layout {
    grid-template-columns: 1fr;
  }
}

.blog-article {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  overflow: hidden;
}

.blog-article-header {
  padding: 2rem;
  padding-bottom: 0;
}
.blog-article-header .blog-category-badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  background-color: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.25rem;
  margin-bottom: 1rem;
  text-transform: capitalize;
}
.blog-article-header h1 {
  font-size: 1.875rem;
  line-height: 1.25;
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .blog-article-header h1 {
    font-size: 1.5rem;
  }
}

.blog-article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e2e8f0;
  flex-wrap: wrap;
  gap: 1rem;
}
.blog-article-meta .author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.blog-article-meta .author-info .author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  -o-object-fit: cover;
     object-fit: cover;
}
.blog-article-meta .author-info .author-details {
  display: flex;
  flex-direction: column;
}
.blog-article-meta .author-info .author-details .author-name {
  font-weight: 600;
  color: #0f172a;
}
.blog-article-meta .author-info .author-details .post-date {
  font-size: 0.875rem;
  color: #64748b;
}
.blog-article-meta .reading-time {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: #64748b;
}
.blog-article-meta .reading-time i {
  color: #2563eb;
}

.blog-featured-image {
  margin: 2rem;
  margin-top: 1.5rem;
  border-radius: 0.75rem;
  overflow: hidden;
}
.blog-featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

.blog-article-content {
  padding: 2rem;
  padding-top: 1.5rem;
  font-size: 1rem;
  line-height: 1.75;
  color: #0f172a;
}
.blog-article-content h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}
.blog-article-content h2:first-child {
  margin-top: 0;
}
.blog-article-content h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}
.blog-article-content h4 {
  font-size: 1.125rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}
.blog-article-content p {
  margin-bottom: 1rem;
}
.blog-article-content ul, .blog-article-content ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}
.blog-article-content ul li, .blog-article-content ol li {
  margin-bottom: 0.25rem;
}
.blog-article-content a {
  color: #2563eb;
}
.blog-article-content a:hover {
  text-decoration: underline;
}
.blog-article-content blockquote {
  margin: 1.5rem 0;
  padding: 1.5rem;
  padding-left: 2rem;
  background-color: #f8fafc;
  border-left: 4px solid #2563eb;
  border-radius: 0 0.5rem 0.5rem 0;
  font-style: italic;
  color: #475569;
}
.blog-article-content code {
  background-color: #f8fafc;
  padding: 2px 0.25rem;
  border-radius: 0.25rem;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 0.9em;
}
.blog-article-content pre {
  background-color: #1e1e1e;
  padding: 1.5rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}
.blog-article-content pre code {
  background-color: transparent;
  padding: 0;
  color: #d4d4d4;
}
.blog-article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin: 1.5rem 0;
  display: block;
}
.blog-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
.blog-article-content table th, .blog-article-content table td {
  padding: 0.5rem 1rem;
  border: 1px solid #e2e8f0;
  text-align: left;
}
.blog-article-content table th {
  background-color: #f8fafc;
  font-weight: 600;
}

.blog-article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
}
.blog-article-footer .article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.blog-article-footer .article-tags .tag-label {
  font-size: 0.875rem;
  color: #64748b;
}
.blog-article-footer .article-tags .tag {
  padding: 0.25rem 1rem;
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 50px;
  font-size: 0.875rem;
  color: #475569;
  text-decoration: none;
  transition: all 150ms ease-in-out;
}
.blog-article-footer .article-tags .tag:hover {
  background-color: #2563eb;
  border-color: #2563eb;
  color: white;
}
.blog-article-footer .article-share {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.blog-article-footer .article-share .share-label {
  font-size: 0.875rem;
  color: #64748b;
}
.blog-article-footer .article-share .share-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.25rem;
  color: #475569;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 150ms ease-in-out;
}
.blog-article-footer .article-share .share-btn:hover {
  background-color: #2563eb;
  border-color: #2563eb;
  color: white;
}
.blog-article-footer .article-share .share-btn.twitter:hover {
  background-color: #1da1f2;
  border-color: #1da1f2;
}
.blog-article-footer .article-share .share-btn.linkedin:hover {
  background-color: #0077b5;
  border-color: #0077b5;
}
.blog-article-footer .article-share .share-btn.copied {
  background-color: #10b981;
  border-color: #10b981;
  color: white;
}

@media (min-width: 1024px) {
  .blog-sidebar {
    top: 100px;
  }
}
.blog-sidebar .sidebar-sticky {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-widget {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
}
.sidebar-widget .widget-title {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid #e2e8f0;
}

.sidebar-posts {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar-post-item a {
  display: flex;
  gap: 1rem;
  text-decoration: none;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: background-color 150ms ease-in-out;
}
.sidebar-post-item a:hover {
  background-color: #f8fafc;
}
.sidebar-post-item a:hover h4 {
  color: #2563eb;
}
.sidebar-post-item .sidebar-post-image {
  width: 70px;
  height: 50px;
  -o-object-fit: cover;
     object-fit: cover;
  border-radius: 0.25rem;
  flex-shrink: 0;
}
.sidebar-post-item .sidebar-post-info {
  flex: 1;
  min-width: 0;
}
.sidebar-post-item .sidebar-post-info h4 {
  font-size: 0.875rem;
  font-weight: 500;
  color: #0f172a;
  margin-bottom: 0.25rem;
  line-height: 1.25;
  transition: color 150ms ease-in-out;
}
.sidebar-post-item .sidebar-post-info .sidebar-post-date {
  font-size: 0.75rem;
  color: #64748b;
}

.blog-sidebar .back-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  color: #475569;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 150ms ease-in-out;
}
.blog-sidebar .back-link i {
  transition: transform 150ms ease-in-out;
}
.blog-sidebar .back-link:hover {
  background-color: #f1f5f9;
  color: #2563eb;
  border-color: #2563eb;
}
.blog-sidebar .back-link:hover i {
  transform: translateX(-3px);
}

.related-posts-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid #e2e8f0;
}
.related-posts-section h2 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
@media (max-width: 640px) {
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
}
.related-posts-grid .blog-card .blog-card-content h3 {
  font-size: 1.125rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}
.pagination .pagination-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1.5rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  color: #475569;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 150ms ease-in-out;
}
.pagination .pagination-btn:hover {
  background-color: #f8fafc;
  border-color: #2563eb;
  color: #2563eb;
}
.pagination .pagination-btn i {
  font-size: 0.75rem;
}
.pagination .pagination-numbers {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.pagination .pagination-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  color: #475569;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 150ms ease-in-out;
}
.pagination .pagination-number:hover {
  background-color: #f8fafc;
  border-color: #2563eb;
  color: #2563eb;
}
.pagination .pagination-number.active {
  background-color: #2563eb;
  border-color: #2563eb;
  color: white;
}
.pagination .pagination-dots {
  padding: 0 0.25rem;
  color: #64748b;
}

.no-results {
  text-align: center;
  padding: 4rem;
}
.no-results i {
  font-size: 4rem;
  color: #64748b;
  margin-bottom: 1.5rem;
}
.no-results h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.no-results p {
  color: #475569;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .blog-list-page {
    padding: 1rem 0;
  }
  .blog-post-page {
    padding: 1rem 0;
  }
  .blog-article-header {
    padding: 1.5rem;
    padding-bottom: 0;
  }
  .blog-article-content {
    padding: 1.5rem;
    padding-top: 1rem;
  }
  .blog-article-footer {
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
  }
  .blog-featured-image {
    margin: 1.5rem;
    margin-top: 1rem;
  }
}
@media (max-width: 480px) {
  .blog-grid {
    gap: 1rem;
  }
  .blog-card .blog-card-content {
    padding: 1rem;
  }
  .pagination {
    gap: 0.5rem;
  }
  .pagination .pagination-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  .pagination .pagination-number {
    width: 36px;
    height: 36px;
    font-size: 0.75rem;
  }
}
pre {
  position: relative;
}
pre .copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.5rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.25rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: #475569;
  transition: all 150ms ease-in-out;
  opacity: 0;
}
pre .copy-btn:hover {
  background-color: #f1f5f9;
  color: #2563eb;
  border-color: #2563eb;
}
pre .copy-btn.copied {
  color: #10b981;
  border-color: #10b981;
}
pre:hover .copy-btn {
  opacity: 1;
}

.site-header.scrolled {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.hovering {
  transform: translateY(-4px) !important;
}

.spinner {
  border: 3px solid #f8fafc;
  border-top: 3px solid #2563eb;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
.fade-in {
  animation: fadeIn 300ms ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background-color: #2563eb;
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 200ms ease-in-out;
  z-index: 999;
}
.scroll-to-top:hover {
  background-color: #1d4ed8;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}
.scroll-to-top:active {
  transform: translateY(0);
}
.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
@media (max-width: 768px) {
  .scroll-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
  }
}

.tooltip {
  position: relative;
}
.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 0.5rem;
  background-color: #0f172a;
  color: white;
  font-size: 0.75rem;
  border-radius: 0.25rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 150ms ease-in-out;
  margin-bottom: 0.25rem;
}
.tooltip:hover::after {
  opacity: 1;
}

.text-page {
  padding: 4rem 0;
}
@media (max-width: 768px) {
  .text-page {
    padding: 2rem 0;
  }
}

.text-content {
  max-width: 800px;
  margin: 0 auto;
}
.text-content h1 {
  font-size: 2.25rem;
  margin-bottom: 2rem;
}
@media (max-width: 768px) {
  .text-content h1 {
    font-size: 1.875rem;
  }
}
.text-content h2 {
  font-size: 1.5rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .text-content h2 {
    font-size: 1.25rem;
  }
}
.text-content h3 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .text-content h3 {
    font-size: 1.125rem;
  }
}
.text-content p {
  font-size: 1rem;
  line-height: 1.75;
  color: #475569;
  margin-bottom: 1rem;
}
.text-content ul, .text-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}
.text-content ul li, .text-content ol li {
  font-size: 1rem;
  line-height: 1.75;
  color: #475569;
  margin-bottom: 0.5rem;
}
.text-content ul li strong, .text-content ol li strong {
  color: #0f172a;
}
.text-content strong {
  font-weight: 600;
  color: #0f172a;
}

.contact-content {
  text-align: center;
}
.contact-content h1 {
  margin-bottom: 1.5rem;
}
.contact-content > p:first-of-type {
  font-size: 1.125rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.contact-content h2, .contact-content ul {
  text-align: left;
}

.contact-box {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 3rem;
  margin: 3rem 0;
  text-align: center;
}
.contact-box .contact-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: 50%;
}
.contact-box .contact-icon i {
  font-size: 1.875rem;
  color: #2563eb;
}
.contact-box h2 {
  text-align: center;
  margin-top: 0;
}
.contact-box p {
  margin-bottom: 1.5rem;
}
@media (max-width: 640px) {
  .contact-box {
    padding: 1.5rem;
    margin: 1.5rem 0;
  }
  .contact-box .contact-icon {
    width: 60px;
    height: 60px;
  }
  .contact-box .contact-icon i {
    font-size: 1.5rem;
  }
}

.email-link {
  display: inline-block;
  padding: 0.5rem 2rem;
  background-color: #2563eb;
  color: white;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 150ms ease-in-out;
  word-break: break-all;
}
.email-link:hover {
  background-color: #1d4ed8;
  color: white;
}
.email-link.revealed {
  background-color: #ffffff;
  color: #2563eb;
  border: 1px solid #2563eb;
}
.email-link.revealed:hover {
  background-color: #f1f5f9;
}
@media (max-width: 640px) {
  .email-link {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}

/* About Section */
.about-section {
  padding: 4rem 0;
  background-color: #f8fafc;
}
.about-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 3rem;
}
.about-image {
  flex-shrink: 0;
}
.about-image img {
  width: 280px;
  height: auto;
  border-radius: 1rem;
}
@media (max-width: 900px) {
  .about-content {
    flex-direction: column;
    text-align: center;
  }
  .about-image img {
    width: 200px;
  }
}
.about-text h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: #0f172a;
}
.about-text p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: #475569;
  margin-bottom: 1.25rem;
}
.about-text p:last-child {
  margin-bottom: 0;
}

/* Content Overview Section */
.content-overview-section {
  padding: 4rem 0;
  background-color: #ffffff;
}
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.content-item {
  padding: 1.5rem;
  background-color: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  text-align: center;
}
.content-item-icon {
  margin-bottom: 1rem;
}
.content-item-icon img {
  width: 100px;
  height: 100px;
  margin: 0 auto;
  border-radius: 0.5rem;
}
.content-item h3 {
  font-size: 1.25rem;
  color: #0f172a;
  margin-bottom: 0.75rem;
}
.content-item p {
  font-size: 1rem;
  line-height: 1.7;
  color: #64748b;
  margin-bottom: 0;
  text-align: left;
}
@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
  .about-text h2 {
    font-size: 1.5rem;
  }
  .about-text p {
    font-size: 1rem;
  }
}
/*# sourceMappingURL=style.css.map */