/* Blog and Tutorials Page Styles */
/* filepath: static/css/pages/blog.css */

/* ===== BLOG VARIABLES ===== */
:root {
  --blog-card-radius: 12px;
  --blog-card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --blog-card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
  --blog-accent-color: var(--bs-primary);
  --blog-secondary-color: var(--bs-secondary);
  --blog-text-color: var(--bs-gray-800);
  --blog-muted-color: var(--bs-gray-600);
}

/* ===== BLOG HERO SECTION ===== */
.blog-hero {
  background: linear-gradient(135deg,
    rgba(var(--bs-primary-rgb), 0.08) 0%,
    rgba(var(--bs-secondary-rgb), 0.04) 100%);
  border-bottom: 1px solid rgba(var(--bs-primary-rgb), 0.1);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="none"><path d="M0,0 C300,30 700,70 1000,50 L1000,100 L0,100 Z" fill="rgba(13,110,253,0.03)"/></svg>') bottom center no-repeat;
  background-size: 100% 80px;
  z-index: -1;
}

.blog-hero h1 {
  color: var(--blog-text-color);
  font-weight: 700;
  line-height: 1.2;
}

.blog-hero .lead {
  color: var(--blog-muted-color);
  font-size: 1.1rem;
  font-weight: 400;
}

.blog-stats {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: var(--blog-card-radius);
  border: 1px solid rgba(var(--bs-primary-rgb), 0.1);
}

.blog-stat-item {
  text-align: center;
  padding: 1rem;
}

.blog-stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--blog-accent-color);
  display: block;
  line-height: 1;
}

.blog-stat-label {
  font-size: 0.875rem;
  color: var(--blog-muted-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.25rem;
}

/* ===== FILTER SECTION ===== */
.blog-filters {
  background: rgba(var(--bs-light-rgb), 0.5);
  backdrop-filter: blur(5px);
  border-radius: var(--blog-card-radius);
  border: 1px solid rgba(var(--bs-gray-300-rgb), 0.3);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.filter-buttons .btn {
  margin: 0.25rem;
  border-radius: 20px;
  padding: 0.5rem 1.25rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid rgba(var(--bs-primary-rgb), 0.2);
}

.filter-buttons .btn:not(.active) {
  background: rgba(255, 255, 255, 0.9);
  color: var(--blog-text-color);
}

.filter-buttons .btn.active {
  background: var(--blog-accent-color);
  color: white;
  box-shadow: 0 2px 8px rgba(var(--bs-primary-rgb), 0.3);
}

.filter-buttons .btn:hover:not(.active) {
  background: rgba(var(--bs-primary-rgb), 0.1);
  color: var(--blog-accent-color);
  transform: translateY(-1px);
}

/* ===== TUTORIAL CARDS ===== */
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tutorial-card {
  background: white;
  border-radius: var(--blog-card-radius);
  box-shadow: var(--blog-card-shadow);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid rgba(var(--bs-gray-300-rgb), 0.1);
}

.tutorial-card:hover {
  box-shadow: var(--blog-card-shadow-hover);
  transform: translateY(-4px);
}

.tutorial-card-header {
  position: relative;
  background: linear-gradient(135deg,
    rgba(var(--bs-primary-rgb), 0.1) 0%,
    rgba(var(--bs-secondary-rgb), 0.05) 100%);
  padding: 1.5rem;
  border-bottom: 1px solid rgba(var(--bs-gray-300-rgb), 0.1);
}

.tutorial-icon {
  width: 48px;
  height: 48px;
  background: var(--blog-accent-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.tutorial-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--blog-text-color);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.tutorial-card:hover .tutorial-title {
  color: var(--blog-accent-color);
}

.tutorial-description {
  color: var(--blog-muted-color);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0;
}

.tutorial-card-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.tutorial-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--blog-muted-color);
}

.meta-item i {
  font-size: 0.75rem;
}

.difficulty-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.difficulty-badge.bg-success {
  background-color: rgba(var(--bs-success-rgb), 0.1) !important;
  color: var(--bs-success) !important;
  border: 1px solid rgba(var(--bs-success-rgb), 0.2);
}

.difficulty-badge.bg-warning {
  background-color: rgba(var(--bs-warning-rgb), 0.1) !important;
  color: rgba(var(--bs-warning-rgb), 1) !important;
  border: 1px solid rgba(var(--bs-warning-rgb), 0.2);
}

.difficulty-badge.bg-danger {
  background-color: rgba(var(--bs-danger-rgb), 0.1) !important;
  color: var(--bs-danger) !important;
  border: 1px solid rgba(var(--bs-danger-rgb), 0.2);
}

.tutorial-card-footer {
  padding: 1rem 1.5rem;
  background: rgba(var(--bs-gray-100-rgb), 0.5);
  border-top: 1px solid rgba(var(--bs-gray-300-rgb), 0.1);
  margin-top: auto;
}

.tutorial-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tutorial-link {
  color: var(--blog-accent-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.tutorial-link:hover {
  color: var(--blog-accent-color);
  transform: translateX(2px);
}

.tutorial-tools-link {
  color: var(--blog-muted-color);
  text-decoration: none;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: all 0.2s ease;
}

.tutorial-tools-link:hover {
  color: var(--blog-accent-color);
}

/* ===== PRO BADGE EN BLOG/TUTORIALES ===== */
.tutorial-card .pro-badge,
.blog-card .pro-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  color: #000;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 8px rgba(255, 140, 0, 0.3);
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  background: rgba(var(--bs-light-rgb), 0.3);
  border-radius: var(--blog-card-radius);
  border: 2px dashed rgba(var(--bs-gray-400-rgb), 0.5);
  margin: 2rem 0;
}

.empty-state-icon {
  font-size: 4rem;
  color: var(--blog-muted-color);
  margin-bottom: 1rem;
}

.empty-state h3 {
  color: var(--blog-text-color);
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--blog-muted-color);
  margin-bottom: 1.5rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .tutorial-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .blog-hero {
    padding: 2rem 0;
  }

  .blog-hero h1 {
    font-size: 2rem;
  }

  .blog-stats {
    margin-top: 2rem;
  }

  .blog-stat-item {
    padding: 0.75rem;
  }

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

  .filter-buttons .btn {
    margin: 0.125rem;
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
  }

  .tutorial-meta {
    gap: 0.75rem;
  }

  .meta-item {
    font-size: 0.75rem;
  }
}

@media (max-width: 576px) {
  .tutorial-card-header,
  .tutorial-card-body,
  .tutorial-card-footer {
    padding: 1rem;
  }

  .tutorial-icon {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  .tutorial-title {
    font-size: 1.1rem;
  }

  .tutorial-footer-actions {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

/* ===== DARK MODE SUPPORT ===== */
[data-bs-theme="dark"] .tutorial-card {
  background: rgba(var(--bs-gray-900-rgb), 0.9);
  border-color: rgba(var(--bs-gray-700-rgb), 0.3);
}

[data-bs-theme="dark"] .tutorial-card-header {
  background: rgba(var(--bs-primary-rgb), 0.05);
  border-bottom-color: rgba(var(--bs-gray-700-rgb), 0.3);
}

[data-bs-theme="dark"] .tutorial-title {
  color: var(--bs-gray-100);
}

[data-bs-theme="dark"] .tutorial-card:hover .tutorial-title {
  color: var(--bs-primary);
}

[data-bs-theme="dark"] .tutorial-description {
  color: var(--bs-gray-400);
}

[data-bs-theme="dark"] .tutorial-card-footer {
  background: rgba(var(--bs-gray-800-rgb), 0.5);
  border-top-color: rgba(var(--bs-gray-700-rgb), 0.3);
}

[data-bs-theme="dark"] .blog-hero {
  background: linear-gradient(135deg,
    rgba(var(--bs-primary-rgb), 0.05) 0%,
    rgba(var(--bs-secondary-rgb), 0.02) 100%);
}

[data-bs-theme="dark"] .blog-stats {
  background: rgba(var(--bs-gray-900-rgb), 0.9);
  border-color: rgba(var(--bs-gray-700-rgb), 0.3);
}

[data-bs-theme="dark"] .blog-filters {
  background: rgba(var(--bs-gray-800-rgb), 0.5);
  border-color: rgba(var(--bs-gray-700-rgb), 0.3);
}

[data-bs-theme="dark"] .filter-buttons .btn:not(.active) {
  background: rgba(var(--bs-gray-700-rgb), 0.8);
  color: var(--bs-gray-200);
  border-color: rgba(var(--bs-gray-600-rgb), 0.5);
}

[data-bs-theme="dark"] .empty-state {
  background: rgba(var(--bs-gray-800-rgb), 0.3);
  border-color: rgba(var(--bs-gray-600-rgb), 0.5);
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.tutorial-card {
  contain: layout style;
  will-change: transform, box-shadow;
}

.tutorial-icon {
  contain: layout style;
}

/* ===== PRINT STYLES ===== */
@media print {
  .blog-filters,
  .tutorial-card-footer {
    display: none;
  }

  .tutorial-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
    margin-bottom: 1rem;
  }

  .tutorial-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}