/* Template 17: MosaicGrid - Pinterest-Style Masonry */
@use "sass:color";
:root {
  --color-bg: #fafafa;
  --color-text: #1f2937;
  --color-text-secondary: #666666;
  --color-text-muted: #888888;
  --color-border: #e5e5e5;
  --color-primary: #0ea5e9;
  --color-secondary: #0284c7;
  --color-accent: #7dd3fc;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
  --radius-md: 12px;
  --font-sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1400px; }

.dark {
  --color-bg: #121212;
  --color-text: #e0e0e0;
  --color-text-secondary: #b0b0b0;
  --color-text-muted: #888888;
  --color-border: #333333;
  --color-primary: #0ea5e9;
  --color-secondary: #7dd3fc;
  --color-accent: #0369a1; }

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease; }
  a:hover {
    color: var(--color-secondary); }

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

/* Header - Centered Minimal */
.site-header {
  background: var(--color-bg);
  padding: 30px 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100; }

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
  display: block; }

.logo {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--color-primary); }

.dark .logo {
  color: var(--color-primary); }

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

.tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 5px; }

/* Category Filter */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap; }

.filter-bar button,
.filter-bar a {
  padding: 8px 20px;
  border: 2px solid var(--color-primary);
  background: var(--color-bg);
  color: var(--color-primary);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border-radius: 0;
  text-decoration: none; }

.filter-bar button.active,
.filter-bar button:hover,
.filter-bar a.active,
.filter-bar a:hover {
  background: var(--color-primary);
  color: #fff; }

/* Masonry Grid */
.masonry-wrapper {
  max-width: var(--max-width);
  margin: 40px auto;
  padding: 0 20px; }

.masonry-grid {
  columns: 4 300px;
  column-gap: 20px; }

.masonry-item {
  break-inside: avoid;
  margin-bottom: 20px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid var(--color-border); }

.masonry-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg); }

.masonry-item img {
  width: 100%;
  display: block; }

.masonry-content {
  padding: 20px; }

.masonry-cat {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 20px;
  margin-bottom: 10px; }

.masonry-content h3 {
  font-size: 1.1rem;
  line-height: 1.4;
  margin-bottom: 10px; }

.masonry-content h3 a {
  color: var(--color-text); }
  .masonry-content h3 a:hover {
    color: var(--color-primary); }

.masonry-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5; }

.masonry-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted); }

/* Featured Item - Spans 2 columns */
.masonry-item.featured {
  columns: span 2; }

/* Responsive */
@media (max-width: 1000px) {
  .masonry-grid {
    columns: 3 250px; }
  .masonry-item.featured {
    columns: span 1; } }

@media (max-width: 700px) {
  .masonry-grid {
    columns: 2 200px; } }

@media (max-width: 500px) {
  .masonry-grid {
    columns: 1; } }

/* Load More */
.load-more {
  text-align: center;
  margin: 50px 0;
  display: none; }

.load-more button {
  padding: 15px 50px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border-radius: 30px;
  transition: background 0.3s; }

.load-more button:hover {
  background: var(--color-secondary); }

/* Back Button */
.back-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  margin-bottom: 20px; }

.back-button:hover {
  background: var(--color-primary);
  color: #fff; }

.back-button svg {
  transition: transform 0.2s ease; }

.back-button:hover svg {
  transform: translateX(-3px); }

.back-button:last-of-type {
  margin-top: 40px; }

/* Article Page */
.article-container {
  max-width: 900px;
  margin: 50px auto;
  padding: 0 20px; }

.article-header {
  text-align: center;
  margin-bottom: 40px; }

.article-header .cat {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 20px;
  margin-bottom: 15px; }

.article-header h1 {
  font-size: 2.8rem;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px; }

.article-header .lead {
  font-size: 1.3rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto; }

.article-image {
  width: 100%;
  margin: 30px 0;
  border-radius: var(--radius-md); }

.article-body {
  font-size: 1.1rem;
  line-height: 1.8; }

.article-body p {
  margin-bottom: 20px; }

.article-body h2 {
  font-size: 1.6rem;
  margin: 40px 0 20px;
  color: var(--color-primary); }

.article-tags {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--color-border); }

.article-tags span {
  display: inline-block;
  padding: 5px 15px;
  background: var(--color-bg);
  margin: 5px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--color-text-secondary); }

/* Footer */
.site-footer {
  background: var(--color-bg);
  padding: 40px 0;
  margin-top: 50px;
  border-top: 1px solid var(--color-border);
  text-align: center; }

.footer-logo {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-primary); }

.footer-content {
  display: none; }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 20px;
  color: var(--color-text-muted);
  font-size: 0.9rem; }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border); }

.page-numbers {
  display: flex;
  gap: 8px; }

.page-number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  transition: all 0.2s ease; }

.page-number:hover {
  border-color: var(--color-primary);
  color: var(--color-primary); }

.page-number.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff; }

.page-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  transition: all 0.2s ease; }

.page-link:hover {
  background: var(--color-primary);
  color: #fff; }

.page-link svg {
  transition: transform 0.2s ease; }

.page-link.prev:hover svg {
  transform: translateX(-3px); }

.page-link.next:hover svg {
  transform: translateX(3px); }

/* Article Card Override for Mosaic */
.card-image {
  display: block;
  aspect-ratio: auto; }

.card-image img {
  width: 100%;
  height: auto; }

.card-categories {
  margin-bottom: 10px; }

.category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 20px; }

.card-content h3 {
  font-size: 1.1rem;
  line-height: 1.4; }

.card-content .excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5; }

/* Search Overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease; }
  .search-overlay.active {
    opacity: 1;
    visibility: visible; }

.search-container {
  max-width: 700px;
  margin: 10vh auto;
  padding: 1.5rem; }

.search-header {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem; }
  .search-header input {
    flex: 1;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    color: var(--color-text);
    border-radius: var(--radius-md); }
    .search-header input:focus {
      outline: none;
      border-color: var(--color-primary); }
  .search-header .search-close {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center; }

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 15px; }

.search-toggle,
.theme-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 8px 12px;
  color: var(--color-text-secondary);
  border-radius: 50%;
  transition: all 0.2s ease; }
  .search-toggle:hover,
  .theme-toggle:hover {
    color: var(--color-text);
    background: var(--color-bg-secondary); }

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

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

.dark .theme-toggle .sun-icon {
  display: none; }

.dark .theme-toggle .moon-icon {
  display: block; }

/* Responsive */
@media (max-width: 768px) {
  .logo {
    font-size: 2rem; }
  .article-header h1 {
    font-size: 2rem; }
  .article-header .lead {
    font-size: 1.1rem; }
  .filter-bar button {
    padding: 6px 14px;
    font-size: 0.9rem; }
  .pagination {
    flex-wrap: wrap;
    gap: 0.75rem; }
  .page-numbers {
    order: 1;
    width: 100%;
    justify-content: center; }
  .page-link.prev {
    order: 0; }
  .page-link.next {
    order: 2; }
  .page-number {
    min-width: 36px;
    height: 36px;
    font-size: 0.85rem; }
  .page-link {
    padding: 8px 16px;
    font-size: 0.85rem; } }