/**
 * Wolk Posts Widget CSS
 * Scoped styles for the embeddable blog widget
 * 
 * @version 1.0.0
 * @author Wolk Technology
 * @license MIT
 */

/* CSS Custom Properties - Theme Configuration */
.wolk-posts {
  --wolk-primary: #47b2e4;
  --wolk-primary-dark: #2d6a8a;
  --wolk-text: #444444;
  --wolk-heading: #37517e;
  --wolk-bg: #ffffff;
  --wolk-card-bg: #ffffff;
  --wolk-card-shadow: 0 4px 12px rgba(0,0,0,0.08);
  --wolk-border-radius: 8px;
  --wolk-font-family: 'Open Sans', sans-serif;
  --wolk-heading-font: 'Jost', sans-serif;
  --wolk-gray-light: #f5f6f8;
  --wolk-gray-medium: #777777;
  --wolk-gray-border: #eeeeee;
  --wolk-success: #28a745;
  --wolk-error: #dc3545;
  --wolk-warning: #ffc107;
}

/* Base Widget Styling */
.wolk-posts {
  font-family: var(--wolk-font-family);
  color: var(--wolk-text);
  line-height: 1.6;
  background: var(--wolk-bg);
}

/* Hero Section (optional) */
.wolk-posts .wolk-hero {
  background: linear-gradient(135deg, var(--wolk-primary) 0%, var(--wolk-primary-dark) 100%);
  padding: 60px 0 40px 0;
  color: white;
  text-align: center;
  border-radius: var(--wolk-border-radius) var(--wolk-border-radius) 0 0;
}

.wolk-posts .wolk-hero h1 {
  font-family: var(--wolk-heading-font);
  font-size: 36px;
  font-weight: 700;
  margin: 0 0 10px 0;
}

.wolk-posts .wolk-hero p {
  font-size: 18px;
  margin: 0;
  opacity: 0.9;
}

/* Loading State */
.wolk-posts .wolk-loading {
  text-align: center;
  padding: 80px 0;
}

.wolk-posts .wolk-spinner {
  display: inline-block;
  width: 48px;
  height: 48px;
  border: 4px solid rgba(71, 178, 228, 0.3);
  border-top-color: var(--wolk-primary);
  border-radius: 50%;
  animation: wolk-spin 0.8s linear infinite;
}

@keyframes wolk-spin {
  to { transform: rotate(360deg); }
}

.wolk-posts .wolk-loading p {
  margin-top: 15px;
  color: var(--wolk-gray-medium);
  font-size: 15px;
}

/* Error State */
.wolk-posts .wolk-error {
  text-align: center;
  padding: 80px 0;
}

.wolk-posts .wolk-error .wolk-icon-error::before {
  content: "⚠";
  font-size: 48px;
  color: var(--wolk-error);
  display: block;
  margin-bottom: 15px;
}

.wolk-posts .wolk-error p {
  color: var(--wolk-gray-medium);
  font-size: 16px;
  margin-bottom: 20px;
}

.wolk-posts .wolk-btn-retry {
  color: white;
  background: var(--wolk-primary);
  border: none;
  padding: 10px 30px;
  border-radius: 50px;
  font-family: var(--wolk-heading-font);
  font-weight: 500;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.3s;
}

.wolk-posts .wolk-btn-retry:hover {
  background: var(--wolk-primary-dark);
}

/* Empty State */
.wolk-posts .wolk-empty {
  text-align: center;
  padding: 80px 0;
  color: var(--wolk-gray-medium);
}

.wolk-posts .wolk-empty .wolk-icon-empty::before {
  content: "📄";
  font-size: 48px;
  color: #cccccc;
  display: block;
  margin-bottom: 15px;
}

/* Tag Filter */
.wolk-posts .wolk-tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--wolk-gray-border);
}

.wolk-posts .wolk-tag-btn {
  padding: 6px 18px;
  border: 2px solid var(--wolk-primary);
  border-radius: 50px;
  background: transparent;
  color: var(--wolk-primary);
  font-family: var(--wolk-heading-font);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.wolk-posts .wolk-tag-btn:hover,
.wolk-posts .wolk-tag-btn.active {
  background-color: var(--wolk-primary);
  color: white;
}

/* Posts Grid */
.wolk-posts .wolk-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

/* Bootstrap 5 Grid Support (if available) */
.wolk-posts .row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.wolk-posts .col-lg-4,
.wolk-posts .col-md-6 {
  padding: 0 15px;
  margin-bottom: 30px;
}

/* Responsive Grid for Bootstrap */
@media (min-width: 768px) {
  .wolk-posts .col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (min-width: 992px) {
  .wolk-posts .col-lg-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
}

/* Post Cards */
.wolk-posts .wolk-card {
  background: var(--wolk-card-bg);
  border-radius: var(--wolk-border-radius);
  overflow: hidden;
  box-shadow: var(--wolk-card-shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.wolk-posts .wolk-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px -4px rgba(0, 0, 0, 0.15);
}

.wolk-posts .wolk-card-image {
  display: block;
  overflow: hidden;
}

.wolk-posts .wolk-card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}

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

.wolk-posts .wolk-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.wolk-posts .wolk-card-meta {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 13px;
  color: var(--wolk-gray-medium);
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.wolk-posts .wolk-card-meta i,
.wolk-posts .wolk-card-meta .wolk-icon-calendar::before {
  content: "📅";
  margin-right: 4px;
  color: var(--wolk-primary);
}

.wolk-posts .wolk-card-meta .wolk-icon-clock::before {
  content: "🕐";
  margin-right: 4px;
  color: var(--wolk-primary);
}

.wolk-posts .wolk-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
  font-family: var(--wolk-heading-font);
}

.wolk-posts .wolk-card-title a {
  color: var(--wolk-heading);
  text-decoration: none;
}

.wolk-posts .wolk-card-title a:hover {
  color: var(--wolk-primary);
}

.wolk-posts .wolk-card-description {
  color: var(--wolk-gray-medium);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 15px;
  flex: 1;
}

.wolk-posts .wolk-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 15px;
}

.wolk-posts .wolk-tag {
  display: inline-block;
  background: rgba(71, 178, 228, 0.12);
  color: var(--wolk-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 50px;
}

.wolk-posts .wolk-card-footer {
  margin-top: auto;
}

.wolk-posts .wolk-read-more {
  color: var(--wolk-primary);
  font-weight: 600;
  font-size: 14px;
  font-family: var(--wolk-heading-font);
  text-decoration: none;
}

.wolk-posts .wolk-read-more .wolk-icon-arrow::before {
  content: "→";
  margin-left: 4px;
  transition: transform 0.3s;
}

.wolk-posts .wolk-read-more:hover .wolk-icon-arrow::before {
  transform: translateX(4px);
}

/* Load More Button */
.wolk-posts .wolk-load-more {
  text-align: center;
  margin: 20px 0;
}

.wolk-posts .wolk-btn-load-more {
  display: inline-block;
  padding: 12px 36px;
  background-color: var(--wolk-primary);
  color: white;
  font-family: var(--wolk-heading-font);
  font-weight: 600;
  font-size: 15px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.wolk-posts .wolk-btn-load-more:hover {
  background-color: var(--wolk-primary-dark);
  transform: translateY(-2px);
}

/* Single Post Styles */
.wolk-posts .wolk-post {
  width: 100%;
}

.wolk-posts .wolk-post-header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--wolk-gray-border);
}

.wolk-posts .wolk-post-title {
  font-family: var(--wolk-heading-font);
  font-size: 36px;
  font-weight: 700;
  color: var(--wolk-heading);
  margin-bottom: 15px;
  line-height: 1.3;
}

.wolk-posts .wolk-post-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--wolk-gray-medium);
  margin-bottom: 15px;
}

.wolk-posts .wolk-post-meta .wolk-icon-calendar::before { content: "📅"; margin-right: 5px; }
.wolk-posts .wolk-post-meta .wolk-icon-person::before { content: "👤"; margin-right: 5px; }
.wolk-posts .wolk-post-meta .wolk-icon-clock::before { content: "🕐"; margin-right: 5px; }
.wolk-posts .wolk-post-meta .wolk-icon-text::before { content: "📄"; margin-right: 5px; }

.wolk-posts .wolk-post-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.wolk-posts .wolk-post-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--wolk-text);
  margin-bottom: 40px;
}

.wolk-posts .wolk-post-body h1,
.wolk-posts .wolk-post-body h2,
.wolk-posts .wolk-post-body h3,
.wolk-posts .wolk-post-body h4,
.wolk-posts .wolk-post-body h5,
.wolk-posts .wolk-post-body h6 {
  font-family: var(--wolk-heading-font);
  color: var(--wolk-heading);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 700;
}

.wolk-posts .wolk-post-body p {
  margin-bottom: 18px;
}

.wolk-posts .wolk-post-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--wolk-border-radius);
  margin: 15px 0;
}

.wolk-posts .wolk-post-body pre {
  background: var(--wolk-gray-light);
  padding: 20px;
  border-radius: var(--wolk-border-radius);
  overflow-x: auto;
  margin: 20px 0;
}

.wolk-posts .wolk-post-body code {
  background: var(--wolk-gray-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}

.wolk-posts .wolk-post-body pre code {
  background: none;
  padding: 0;
}

.wolk-posts .wolk-post-body blockquote {
  border-left: 4px solid var(--wolk-primary);
  padding: 15px 20px;
  margin: 20px 0;
  background: var(--wolk-gray-light);
  border-radius: 0 var(--wolk-border-radius) var(--wolk-border-radius) 0;
}

.wolk-posts .wolk-post-body ul,
.wolk-posts .wolk-post-body ol {
  padding-left: 25px;
  margin-bottom: 18px;
}

.wolk-posts .wolk-post-body li {
  margin-bottom: 6px;
}

/* Post Navigation */
.wolk-posts .wolk-post-nav {
  border-top: 1px solid var(--wolk-gray-border);
  padding: 30px 0;
  margin-top: 40px;
}

.wolk-posts .wolk-post-nav-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.wolk-posts .wolk-post-nav-prev,
.wolk-posts .wolk-post-nav-next {
  flex: 1;
}

.wolk-posts .wolk-post-nav-next {
  text-align: right;
}

.wolk-posts .wolk-post-nav a {
  color: var(--wolk-heading);
  font-family: var(--wolk-heading-font);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: color 0.3s;
}

.wolk-posts .wolk-post-nav a:hover {
  color: var(--wolk-primary);
}

.wolk-posts .wolk-nav-label {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--wolk-gray-medium);
  font-weight: 400;
  font-family: var(--wolk-font-family);
  display: block;
  margin-bottom: 4px;
}

.wolk-posts .wolk-post-nav .wolk-icon-arrow-left::before { content: "←"; margin-right: 5px; }
.wolk-posts .wolk-post-nav .wolk-icon-arrow-right::before { content: "→"; margin-left: 5px; }

/* Recent Posts Widget */
.wolk-posts .wolk-recent-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.wolk-posts .wolk-recent-item {
  padding: 15px 0;
  border-bottom: 1px solid var(--wolk-gray-border);
}

.wolk-posts .wolk-recent-item:last-child {
  border-bottom: none;
}

.wolk-posts .wolk-recent-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 5px 0;
  line-height: 1.4;
}

.wolk-posts .wolk-recent-title a {
  color: var(--wolk-heading);
  text-decoration: none;
}

.wolk-posts .wolk-recent-title a:hover {
  color: var(--wolk-primary);
}

.wolk-posts .wolk-recent-meta {
  font-size: 13px;
  color: var(--wolk-gray-medium);
}

/* Responsive Design */
@media (max-width: 768px) {
  .wolk-posts .wolk-hero {
    padding: 40px 20px;
  }

  .wolk-posts .wolk-hero h1 {
    font-size: 28px;
  }

  .wolk-posts .wolk-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .wolk-posts .wolk-card-image img {
    height: 180px;
  }

  .wolk-posts .wolk-post-title {
    font-size: 28px;
  }

  .wolk-posts .wolk-post-meta {
    justify-content: flex-start;
    gap: 15px;
  }

  .wolk-posts .wolk-tag-filter {
    justify-content: center;
  }

  .wolk-posts .wolk-post-nav-inner {
    flex-direction: column;
  }

  .wolk-posts .wolk-post-nav-next {
    text-align: left;
  }

  .wolk-posts .wolk-loading,
  .wolk-posts .wolk-error,
  .wolk-posts .wolk-empty {
    padding: 60px 20px;
  }
}

@media (max-width: 480px) {
  .wolk-posts .wolk-grid {
    grid-template-columns: 1fr;
  }

  .wolk-posts .wolk-card-body {
    padding: 15px;
  }

  .wolk-posts .wolk-tag-btn {
    font-size: 12px;
    padding: 4px 12px;
  }

  .wolk-posts .wolk-post-body {
    font-size: 15px;
  }

  .wolk-posts .wolk-btn-load-more {
    padding: 10px 24px;
    font-size: 14px;
  }
}

/* High Contrast / Accessibility Support */
@media (prefers-contrast: high) {
  .wolk-posts {
    --wolk-card-shadow: 0 2px 8px rgba(0,0,0,0.25);
    --wolk-gray-border: #999999;
  }

  .wolk-posts .wolk-card {
    border: 1px solid var(--wolk-gray-border);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .wolk-posts .wolk-card,
  .wolk-posts .wolk-btn-load-more,
  .wolk-posts .wolk-read-more .wolk-icon-arrow::before,
  .wolk-posts .wolk-card-image img {
    transition: none;
  }

  .wolk-posts .wolk-spinner {
    animation: none;
    border-top-color: var(--wolk-primary);
    border-color: rgba(71, 178, 228, 0.3);
  }
}

/* Dark Mode Support (inherits from parent) */
/* Dark mode — auto (follows system preference) */
@media (prefers-color-scheme: dark) {
  .wolk-posts:not([data-theme]) {
    --wolk-bg: #1a1a1a;
    --wolk-card-bg: #2a2a2a;
    --wolk-text: #e0e0e0;
    --wolk-heading: #ffffff;
    --wolk-gray-light: #333333;
    --wolk-gray-medium: #aaaaaa;
    --wolk-gray-border: #444444;
    --wolk-card-shadow: 0 4px 12px rgba(0,0,0,0.3);
  }
}

/* Dark mode — manual override */
.wolk-posts[data-theme="dark"] {
  --wolk-bg: #1a1a1a;
  --wolk-card-bg: #2a2a2a;
  --wolk-text: #e0e0e0;
  --wolk-heading: #ffffff;
  --wolk-gray-light: #333333;
  --wolk-gray-medium: #aaaaaa;
  --wolk-gray-border: #444444;
  --wolk-card-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Light mode — manual override (forces light even if system is dark) */
.wolk-posts[data-theme="light"] {
  --wolk-bg: #ffffff;
  --wolk-card-bg: #ffffff;
  --wolk-text: #444444;
  --wolk-heading: #37517e;
  --wolk-gray-light: #f8f9fa;
  --wolk-gray-medium: #6c757d;
  --wolk-gray-border: #e9ecef;
  --wolk-card-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* ========================================
 * SPA Navigation Styles (v2.0+)
 * ======================================== */

/* View containers */
.wolk-posts .wolk-listing-view,
.wolk-posts .wolk-single-view {
  transition: opacity 0.2s ease-in-out;
}

/* Back button */
.wolk-posts .wolk-back-button {
  margin-bottom: 20px;
  padding: 0;
}

.wolk-posts .wolk-btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 2px solid var(--wolk-primary);
  color: var(--wolk-primary);
  padding: 8px 16px;
  border-radius: var(--wolk-border-radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.wolk-posts .wolk-btn-back:hover {
  background: var(--wolk-primary);
  color: white;
  transform: translateY(-1px);
}

.wolk-posts .wolk-btn-back:active {
  transform: translateY(0);
}

.wolk-posts .wolk-btn-back .wolk-icon-arrow-left::before {
  content: "←";
  font-weight: 600;
}

/* Single post view styles */
.wolk-posts .wolk-single-view .wolk-post {
  margin: 0;
  padding: 0;
}

.wolk-posts .wolk-single-view .wolk-post-header {
  margin-bottom: 24px;
}

.wolk-posts .wolk-single-view .wolk-post-title {
  font-family: var(--wolk-heading-font);
  font-size: 28px;
  font-weight: 700;
  color: var(--wolk-heading);
  margin: 0 0 12px 0;
  line-height: 1.3;
}

.wolk-posts .wolk-single-view .wolk-post-meta {
  font-size: 14px;
  color: var(--wolk-gray-medium);
  margin-bottom: 12px;
}

.wolk-posts .wolk-single-view .wolk-post-meta span {
  margin-right: 20px;
}

.wolk-posts .wolk-single-view .wolk-post-meta .wolk-icon-calendar::before {
  content: "📅";
  margin-right: 4px;
}

.wolk-posts .wolk-single-view .wolk-post-meta .wolk-icon-person::before {
  content: "👤";
  margin-right: 4px;
}

.wolk-posts .wolk-single-view .wolk-post-meta .wolk-icon-clock::before {
  content: "🕒";
  margin-right: 4px;
}

.wolk-posts .wolk-single-view .wolk-post-meta .wolk-icon-text::before {
  content: "📝";
  margin-right: 4px;
}

.wolk-posts .wolk-single-view .wolk-post-tags {
  margin-bottom: 20px;
}

.wolk-posts .wolk-single-view .wolk-post-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--wolk-text);
}

.wolk-posts .wolk-single-view .wolk-post-body h2,
.wolk-posts .wolk-single-view .wolk-post-body h3,
.wolk-posts .wolk-single-view .wolk-post-body h4 {
  font-family: var(--wolk-heading-font);
  color: var(--wolk-heading);
  font-weight: 600;
  margin: 32px 0 16px 0;
}

.wolk-posts .wolk-single-view .wolk-post-body h2 {
  font-size: 24px;
}

.wolk-posts .wolk-single-view .wolk-post-body h3 {
  font-size: 20px;
}

.wolk-posts .wolk-single-view .wolk-post-body h4 {
  font-size: 18px;
}

.wolk-posts .wolk-single-view .wolk-post-body p {
  margin-bottom: 16px;
}

.wolk-posts .wolk-single-view .wolk-post-body ul,
.wolk-posts .wolk-single-view .wolk-post-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.wolk-posts .wolk-single-view .wolk-post-body li {
  margin-bottom: 8px;
}

.wolk-posts .wolk-single-view .wolk-post-body code {
  background: var(--wolk-gray-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
}

.wolk-posts .wolk-single-view .wolk-post-body pre {
  background: var(--wolk-gray-light);
  padding: 16px;
  border-radius: var(--wolk-border-radius);
  overflow-x: auto;
  margin: 16px 0;
}

.wolk-posts .wolk-single-view .wolk-post-body pre code {
  background: none;
  padding: 0;
}

/* Post navigation styles */
.wolk-posts .wolk-post-nav {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--wolk-gray-border);
}

.wolk-posts .wolk-post-nav-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.wolk-posts .wolk-post-nav-prev,
.wolk-posts .wolk-post-nav-next {
  flex: 0 1 45%;
  min-width: 200px;
}

.wolk-posts .wolk-post-nav-next {
  text-align: right;
}

.wolk-posts .wolk-post-nav a {
  display: block;
  text-decoration: none;
  color: var(--wolk-text);
  padding: 12px 16px;
  border: 1px solid var(--wolk-gray-border);
  border-radius: var(--wolk-border-radius);
  transition: all 0.3s ease;
}

.wolk-posts .wolk-post-nav a:hover {
  border-color: var(--wolk-primary);
  transform: translateY(-2px);
  box-shadow: var(--wolk-card-shadow);
}

.wolk-posts .wolk-nav-label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--wolk-gray-medium);
  margin-bottom: 4px;
  font-weight: 600;
}

.wolk-posts .wolk-icon-arrow-left::before {
  content: "←";
  margin-right: 4px;
}

.wolk-posts .wolk-icon-arrow-right::before {
  content: "→";
  margin-left: 4px;
}

/* Mobile responsiveness for navigation */
@media (max-width: 768px) {
  .wolk-posts .wolk-post-nav-inner {
    flex-direction: column;
  }
  
  .wolk-posts .wolk-post-nav-prev,
  .wolk-posts .wolk-post-nav-next {
    flex: none;
    text-align: left;
  }
  
  .wolk-posts .wolk-single-view .wolk-post-title {
    font-size: 24px;
  }
}