/* ==========================================================================
   Planet Once - Blog Styles
   ========================================================================== */

/* ==========================================================================
   Blog Hero / Featured Post
   ========================================================================== */

.blog-hero {
  padding: var(--space-16) 0 var(--space-12);
  padding-top: calc(80px + var(--space-16));
  background: var(--bg-primary);
}

.blog-hero__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.blog-hero__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.blog-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Featured Post Card */
.blog-featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-8);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-featured:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.blog-featured__image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.blog-featured__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

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

.blog-featured__content {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-featured__tag {
  display: inline-block;
  background: var(--primary);
  color: var(--bg-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  width: fit-content;
}

.blog-featured__title {
  font-size: var(--text-3xl);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.blog-featured__title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

.blog-featured__excerpt {
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1.6;
  margin-bottom: var(--space-6);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-featured__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.blog-featured__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.blog-featured__author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.blog-featured__author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-featured__author-avatar svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

.blog-featured__author-info {
  display: flex;
  flex-direction: column;
}

.blog-featured__author-name {
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.blog-featured__author-title {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.blog-featured__date {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.blog-featured__date svg {
  width: 16px;
  height: 16px;
}

.blog-featured__read-time {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.blog-featured__read-time svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Blog Grid
   ========================================================================== */

.blog-grid-section {
  padding: var(--space-12) 0 var(--space-16);
}

.blog-grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.blog-grid-header h2 {
  font-size: var(--text-2xl);
}

/* Tag Filter */
.blog-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.blog-tag {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.blog-tag:hover,
.blog-tag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg-primary);
}

/* Post Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

/* ==========================================================================
   Blog Card
   ========================================================================== */

.blog-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.blog-card__image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

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

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

.blog-card__image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card__image-placeholder svg {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  opacity: 0.5;
}

.blog-card__content {
  padding: var(--space-6);
}

.blog-card__tag {
  display: inline-block;
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-3);
}

.blog-card__title {
  font-size: var(--text-lg);
  line-height: 1.3;
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

.blog-card__excerpt {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.blog-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.blog-card__author-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.blog-card__author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__author-avatar svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.blog-card__author-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.blog-card__info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.blog-card__date,
.blog-card__read-time {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.blog-card__info svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   Blog Post Page
   ========================================================================== */

.blog-post {
  padding: var(--space-16) 0;
  padding-top: calc(80px + var(--space-16));
}

.blog-post__container {
  max-width: 800px;
  margin: 0 auto;
}

.blog-post__header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.blog-post__tag {
  display: inline-block;
  background: var(--primary);
  color: var(--bg-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.blog-post__title {
  font-size: var(--text-4xl);
  line-height: 1.2;
  margin-bottom: var(--space-6);
}

.blog-post__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  color: var(--text-secondary);
}

.blog-post__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.blog-post__author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  overflow: hidden;
}

.blog-post__author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-post__author-info {
  text-align: left;
}

.blog-post__author-name {
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.blog-post__author-title {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.blog-post__date,
.blog-post__read-time {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.blog-post__date svg,
.blog-post__read-time svg {
  width: 18px;
  height: 18px;
}

/* Featured Image */
.blog-post__featured-image {
  margin-bottom: var(--space-10);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.blog-post__featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Content */
.blog-post__content {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--text-secondary);
}

.blog-post__content h2 {
  font-size: var(--text-2xl);
  color: var(--text-primary);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.blog-post__content h3 {
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.blog-post__content p {
  margin-bottom: var(--space-6);
}

.blog-post__content a {
  color: var(--primary);
  text-decoration: underline;
}

.blog-post__content a:hover {
  color: var(--primary-light);
}

.blog-post__content ul,
.blog-post__content ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}

.blog-post__content li {
  margin-bottom: var(--space-2);
}

.blog-post__content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin: var(--space-8) 0;
}

.blog-post__content blockquote {
  border-left: 4px solid var(--primary);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
  font-style: italic;
  color: var(--text-primary);
}

/* Citations */
.blog-post__citations {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-color);
}

.blog-post__citations h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.blog-post__citation {
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

.blog-post__citation-source {
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.blog-post__citation-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: var(--space-2);
}

.blog-post__citation-link {
  font-size: var(--text-sm);
  color: var(--primary);
}

/* Share & Navigation */
.blog-post__footer {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-color);
}

.blog-post__share {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.blog-post__share-label {
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.blog-post__share-links {
  display: flex;
  gap: var(--space-2);
}

.blog-post__share-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.blog-post__share-link:hover {
  background: var(--primary);
  color: var(--bg-primary);
}

.blog-post__share-link svg {
  width: 20px;
  height: 20px;
}

/* Related Posts */
.blog-related {
  padding: var(--space-12) 0;
  background: var(--bg-secondary);
}

.blog-related h2 {
  text-align: center;
  margin-bottom: var(--space-8);
}

/* ==========================================================================
   Loading & Empty States
   ========================================================================== */

.blog-loading {
  text-align: center;
  padding: var(--space-16) 0;
  color: var(--text-muted);
}

.blog-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-4);
}

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

.blog-empty {
  text-align: center;
  padding: var(--space-16) 0;
}

.blog-empty__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  color: var(--text-muted);
  opacity: 0.5;
}

.blog-empty__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.blog-empty__text {
  color: var(--text-secondary);
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

@media (max-width: 1023px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-featured {
    grid-template-columns: 1fr;
  }

  .blog-featured__content {
    padding: var(--space-6);
  }

  .blog-featured__title {
    font-size: var(--text-2xl);
  }
}

@media (max-width: 767px) {
  .blog-hero {
    padding: var(--space-12) 0 var(--space-8);
    padding-top: calc(70px + var(--space-12));
  }

  .blog-hero__title {
    font-size: var(--text-3xl);
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .blog-grid-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .blog-post__title {
    font-size: var(--text-3xl);
  }

  .blog-post__meta {
    flex-direction: column;
    gap: var(--space-4);
  }

  .blog-post__content {
    font-size: var(--text-base);
  }
}

/* ==========================================================================
   Admin Blog Styles
   ========================================================================== */

.blog-editor {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.blog-editor__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.blog-editor__title {
  font-size: var(--text-xl);
}

.blog-editor__actions {
  display: flex;
  gap: var(--space-3);
}

.blog-editor__form {
  display: grid;
  gap: var(--space-6);
}

.blog-editor__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.blog-editor__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.blog-editor__field--full {
  grid-column: 1 / -1;
}

.blog-editor__label {
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.blog-editor__input,
.blog-editor__textarea,
.blog-editor__select {
  padding: var(--space-3) var(--space-4);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: border-color var(--transition);
}

.blog-editor__input:focus,
.blog-editor__textarea:focus,
.blog-editor__select:focus {
  outline: none;
  border-color: var(--primary);
}

.blog-editor__textarea {
  min-height: 200px;
  resize: vertical;
  font-family: inherit;
}

.blog-editor__textarea--content {
  min-height: 400px;
}

/* Image Upload */
.blog-editor__image-upload {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}

.blog-editor__image-upload:hover {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.05);
}

.blog-editor__image-upload.has-image {
  padding: 0;
  border: none;
}

.blog-editor__image-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.blog-editor__image-preview img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

.blog-editor__image-remove {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.7);
  border: none;
  border-radius: var(--radius-full);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-editor__image-remove:hover {
  background: var(--error);
}

/* Citations Editor */
.blog-editor__citations {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.blog-editor__citation-item {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

.blog-editor__citation-item:last-child {
  margin-bottom: 0;
}

.blog-editor__citation-remove {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: end;
}

.blog-editor__citation-remove:hover {
  border-color: var(--error);
  color: var(--error);
}

.blog-editor__add-citation {
  width: 100%;
  padding: var(--space-3);
  background: transparent;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  margin-top: var(--space-3);
  transition: all var(--transition);
}

.blog-editor__add-citation:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Blog Posts List in Admin */
.blog-posts-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.blog-post-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  align-items: center;
}

.blog-post-item__image {
  width: 120px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-tertiary);
}

.blog-post-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-post-item__content {
  min-width: 0;
}

.blog-post-item__title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.blog-post-item__meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.blog-post-item__status {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

.blog-post-item__status--published {
  background: rgba(var(--success-rgb), 0.15);
  color: var(--success);
}

.blog-post-item__status--draft {
  background: rgba(var(--warning-rgb), 0.15);
  color: var(--warning);
}

.blog-post-item__actions {
  display: flex;
  gap: var(--space-2);
}

@media (max-width: 767px) {
  .blog-post-item {
    grid-template-columns: 1fr;
  }

  .blog-post-item__image {
    width: 100%;
    height: 150px;
  }

  .blog-editor__row {
    grid-template-columns: 1fr;
  }

  .blog-editor__citation-item {
    grid-template-columns: 1fr;
  }
}