/* ===== blog.css ===== */
/* Unified with blog-pages.css variables and design language */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-light: #e2e8f0;
  --accent-light: #dbeafe;
  --accent-dark: #1e3a8a;
  --accent-primary: #FA9A4B; /* Keep original orange for branding */
  --accent-primary-dark: #E0A46A;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 28px rgba(15, 23, 42, 0.06);
  --transition: 0.2s ease;
  --font-base: 1rem;
  --focus-outline: 2px solid #2563eb;
  --focus-offset: 2px;
  --container-width: 1200px;
}

*:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* ===== Base ===== */
body {
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.5;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  background: var(--accent-primary);
  color: white;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  transform: scale(1.1);
  background: var(--accent-primary-dark);
}

/* ===== Hero ===== */
.blog-hero {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-dark) 100%);
  color: white;
  padding: 3rem 1rem;
  text-align: center;
}
.blog-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.blog-hero .lead {
  font-size: 1.125rem;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.blog-login-note {
  display: block;
  margin-top: 1rem;
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ===== Compact Header ===== */
.blog-header-compact {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-dark) 100%);
  color: white;
  padding: 1.5rem 0;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
}

.header-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.header-titles h1 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 0.25rem;
  line-height: 1.2;
}

.header-description {
  font-size: 0.95rem;
  opacity: 0.9;
  margin: 0;
  max-width: 500px;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.write-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: white;
  color: var(--accent-primary);
  border: none;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  text-decoration: none;
}

.write-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.write-btn i {
  width: 18px;
  height: 18px;
}

.dashboard-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  text-decoration: none;
}

.dashboard-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
}

.filter-form-compact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  padding: 0.75rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}

.filter-form-compact .filter-group {
  position: relative;
  flex: 1 1 140px;
  min-width: 120px;
}

.filter-form-compact .filter-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: rgba(255, 255, 255, 0.8);
  pointer-events: none;
}

.filter-form-compact input,
.filter-form-compact select {
  width: 100%;
  padding: 0.5rem 0.5rem 0.5rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  appearance: none;
}

.filter-form-compact select option {
  background: var(--text-primary);
  color: white;
}

.filter-form-compact input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.filter-form-compact input:focus,
.filter-form-compact select:focus {
  outline: none;
  border-color: white;
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.filter-submit {
  padding: 0.5rem 1.2rem;
  border-radius: 40px;
  background: white;
  color: var(--accent-primary);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  white-space: nowrap;
}

.filter-submit:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

.login-note-compact {
  display: block;
  font-size: 0.8rem;
  opacity: 0.85;
  margin-top: 0.5rem;
  text-align: right;
}

.login-note-compact a {
  color: white;
  font-weight: 600;
  text-decoration: underline;
}

.blog-results-meta {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.92);
}

.blog-clear-link {
  color: #fff;
  font-weight: 700;
  margin-left: 0.45rem;
  text-decoration: underline;
}

/* ===== Action Bar ===== */
.blog-action-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1.5rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--accent-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-primary i {
  width: 18px;
  height: 18px;
}

/* ===== Filter Form ===== */
.blog-filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  background: color-mix(in srgb, var(--bg-primary) 98%, var(--text-primary));
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.filter-group {
  position: relative;
  flex: 1 1 180px;
}
.filter-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}
.filter-group input,
.filter-group select {
  width: 100%;
  padding: 0.6rem 0.6rem 0.6rem 2.2rem;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.filter-group input:focus,
.filter-group select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(250, 154, 75, 0.2);
  outline: none;
}
.blog-filter-form .btn-primary {
  padding: 0.6rem 1.5rem;
  flex: 0 0 auto;
}

/* ===== Blog Grid ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

/* Blog Card */
.blog-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

/* Featured Card */
.blog-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.blog-card.featured .blog-image {
  height: 100%;
  min-height: 300px;
}
.blog-card.featured .blog-body {
  padding: 2rem;
}
@media (max-width: 768px) {
  .blog-card.featured {
    grid-template-columns: 1fr;
  }
}

/* Blog Image */
.blog-image {
  display: block;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--border-light);
}
.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.blog-card:hover .blog-image img {
  transform: scale(1.05);
}

/* Blog Body */
.blog-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Meta Information */
.blog-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.blog-category {
  background: var(--accent-light);
  color: var(--accent-dark);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.blog-date, .blog-read-time {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.blog-date i, .blog-read-time i {
  width: 14px;
  height: 14px;
}

/* Title */
.blog-body h3 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
}
.blog-body h3 a {
  color: var(--text-primary);
  text-decoration: none;
}
.blog-body h3 a:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

/* Excerpt */
.blog-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

/* Footer */
.blog-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
  margin-top: auto;
}
.blog-author {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: gap var(--transition);
}
.read-more:hover {
  gap: 0.5rem;
}
.read-more i {
  width: 16px;
  height: 16px;
}

/* ===== Empty State ===== */
.blog-empty {
  text-align: center;
  padding: 4rem 2rem;
  border: 2px dashed var(--border-light);
  border-radius: 16px;
  color: var(--text-muted);
}
.empty-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--text-muted);
}
.blog-empty p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}
.blog-empty .btn-primary {
  display: inline-flex;
}

/* ===== Pagination ===== */
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 0;
}
.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition);
}
.pagination-btn:hover:not(.disabled) {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.pagination-btn.disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: default;
}
.pagination-btn i {
  width: 18px;
  height: 18px;
}
.pagination-pages {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.pagination-page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.5rem;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition);
}
.pagination-page:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}
.pagination-page.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}
.pagination-ellipsis {
  color: var(--text-muted);
  padding: 0 0.25rem;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ===== Newsletter ===== */
.blog-newsletter {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  padding: 3rem 1rem;
  margin-top: 2rem;
  border-radius: 16px;
}
.newsletter-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  color: white;
}
.newsletter-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.newsletter-content p {
  font-size: 1.0625rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto;
}
.newsletter-input-group {
  position: relative;
  flex: 1;
}
.newsletter-input-group .input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: rgba(255,255,255,0.6);
}
.newsletter-form input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.5rem;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 0.9375rem;
  transition: all var(--transition);
}
.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.6);
}
.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(255,255,255,0.15);
}
.newsletter-form .btn-primary {
  padding: 0.875rem 1.5rem;
  background: var(--accent-primary);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.newsletter-form .btn-primary:hover {
  background: var(--accent-primary-dark);
  transform: translateY(-2px);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 0.85rem;
  }

  .blog-hero {
    padding: 2.5rem 1rem;
  }
  .blog-hero h1 {
    font-size: 2rem;
  }
  .blog-header-compact {
    padding: 0.9rem 0;
    margin-bottom: 1.25rem;
    border-radius: 0 0 14px 14px;
  }
  .header-top-row {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 0.85rem;
    gap: 0.75rem;
  }
  .header-titles h1 {
    font-size: 1.55rem;
  }
  .header-description {
    font-size: 0.9rem;
    max-width: none;
  }
  .write-btn {
    align-self: stretch;
    justify-content: center;
    min-height: 42px;
    border-radius: 999px;
  }
  .header-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .dashboard-btn {
    justify-content: center;
    min-height: 42px;
  }
  .filter-form-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.6rem;
    gap: 0.45rem;
  }
  .filter-form-compact .filter-group {
    width: 100%;
    min-width: 0;
  }
  .filter-form-compact input,
  .filter-form-compact select {
    min-height: 38px;
    font-size: 0.88rem;
    padding: 0.45rem 0.5rem 0.45rem 1.85rem;
  }
  .filter-form-compact .filter-group:first-child {
    grid-column: 1 / -1;
  }
  .filter-submit {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 38px;
    font-size: 0.86rem;
    padding: 0.4rem 0.95rem;
  }
  .login-note-compact {
    text-align: center;
    margin-top: 0.35rem;
  }
  .blog-content {
    padding: 1.15rem 0;
  }
  .blog-filter-form {
    flex-direction: column;
    align-items: stretch;
  }
  .filter-group {
    flex: auto;
  }
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 0.95rem;
  }
  .blog-body {
    padding: 1.1rem;
  }
  .blog-body h3 {
    font-size: 1.12rem;
  }
  .blog-excerpt {
    font-size: 0.92rem;
    margin-bottom: 0.85rem;
  }
  .blog-meta {
    gap: 0.45rem 0.7rem;
    margin-bottom: 0.6rem;
    font-size: 0.8rem;
  }
  .blog-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
    padding-top: 0.75rem;
  }
  .blog-card.featured .blog-body {
    padding: 1.5rem;
  }
  .blog-empty {
    padding: 2.25rem 1rem;
  }
  .blog-pagination {
    gap: 0.6rem;
    padding: 1.25rem 0;
  }
  .pagination-btn,
  .pagination-page {
    width: 44px;
    min-width: 44px;
    height: 44px;
  }
  .blog-newsletter {
    padding: 1.3rem 0.9rem;
    border-radius: 12px;
    margin-top: 1.1rem;
  }
  .newsletter-content h2 {
    font-size: 1.45rem;
  }
  .newsletter-content p {
    font-size: 0.95rem;
  }
  .newsletter-form {
    flex-direction: column;
    gap: 0.55rem;
  }
  .newsletter-form input,
  .newsletter-form .btn-primary {
    min-height: 44px;
  }
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }
  .pagination-pages {
    display: none; /* Hide page numbers on mobile, keep prev/next */
  }
}

@media (max-width: 420px) {
  .filter-form-compact {
    grid-template-columns: 1fr;
    padding: 0.55rem;
    gap: 0.4rem;
  }
  .filter-form-compact .filter-group:first-child,
  .filter-submit {
    grid-column: auto;
  }
  .header-titles h1 {
    font-size: 1.4rem;
  }
  .write-btn .btn-text {
    font-size: 0.88rem;
  }
  .blog-image {
    height: 190px;
  }
  .blog-author {
    font-size: 0.84rem;
  }
  .read-more {
    font-size: 0.86rem;
  }
}