/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: rgba(79, 70, 229, 0.08);
  --secondary: #7c3aed;
  --secondary-hover: #6d28d9;
  --secondary-light: rgba(124, 58, 237, 0.08);
  
  --accent: #0ea5e9;
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.08);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.08);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.08);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
  --shadow-premium: 0 12px 30px -4px rgba(79, 70, 229, 0.08);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 280px;
}

[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #1f2937;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);
  --secondary: #8b5cf6;
  --secondary-hover: #7c3aed;
  --secondary-light: rgba(139, 92, 246, 0.15);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --shadow-premium: 0 12px 30px -4px rgba(99, 102, 241, 0.12);
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* Page Layout */
#app-layout {
  display: flex;
  flex: 1;
  min-height: 100vh;
}

main {
  flex: 1;
  padding: 2rem;
  margin-left: var(--sidebar-width);
  margin-top: 70px;
  display: flex;
  flex-direction: column;
  max-width: 1400px;
  width: calc(100% - var(--sidebar-width));
  transition: var(--transition);
}

/* Sidebar Menu */
aside {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.brand {
  height: 70px;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--border-color);
  gap: 0.75rem;
}

.brand-icon {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-name {
  font-weight: 800;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.sidebar-menu {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1rem;
}

.menu-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  margin-top: 1.5rem;
  padding-left: 0.75rem;
  font-weight: 700;
}

.menu-section-title:first-child {
  margin-top: 0;
}

.sidebar-menu ul {
  list-style: none;
}

.sidebar-menu li {
  margin-bottom: 0.25rem;
}

.menu-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.925rem;
}

.menu-link i {
  width: 20px;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.menu-link:hover, .menu-link.active {
  background-color: var(--primary-light);
  color: var(--primary);
}

.menu-link:hover i, .menu-link.active i {
  color: var(--primary);
}

/* Header / Top Bar */
header {
  height: 70px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  right: 0;
  left: var(--sidebar-width);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  transition: var(--transition);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  max-width: 500px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
}

/* Search Bar styling */
.search-container {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.75rem;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.875rem;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary);
  background-color: var(--bg-secondary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 350px;
  overflow-y: auto;
  z-index: 1000;
  display: none;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background-color: var(--bg-tertiary);
}

.search-result-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.search-result-details {
  display: flex;
  flex-direction: column;
}

.search-result-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.search-result-cat {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle, .share-page-btn, .fav-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  border: none;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem;
}

.theme-toggle:hover, .share-page-btn:hover, .fav-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem 0.35rem 0.35rem;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  font-family: inherit;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.user-profile-btn img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.user-profile-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Home Layout Elements */
.hero-section {
  text-align: center;
  padding: 3rem 1rem 4rem;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Grid & Cards system */
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title i {
  color: var(--primary);
}

.categories-scroll {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  margin-bottom: 2.5rem;
  scrollbar-width: thin;
}

.category-pill {
  white-space: nowrap;
  padding: 0.625rem 1.25rem;
  border-radius: 50px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.category-pill:hover, .category-pill.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.category-pill i {
  font-size: 1rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.tool-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  height: 100%;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--shadow-premium);
  border-color: var(--primary-light);
}

.tool-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.tool-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: var(--transition);
}

.tool-card:hover .tool-card-icon {
  transform: scale(1.1);
}

/* Category Specific Color Themes for Cards */
.cat-pdf .tool-card-icon { background-color: rgba(239, 68, 68, 0.08); color: #ef4444; }
.cat-imagenes .tool-card-icon { background-color: rgba(16, 185, 129, 0.08); color: #10b981; }
.cat-texto .tool-card-icon { background-color: rgba(79, 70, 229, 0.08); color: #4f46e5; }
.cat-seo .tool-card-icon { background-color: rgba(245, 158, 11, 0.08); color: #f59e0b; }
.cat-calculadoras .tool-card-icon { background-color: rgba(236, 72, 153, 0.08); color: #ec4899; }
.cat-utilidades .tool-card-icon { background-color: rgba(6, 182, 212, 0.08); color: #06b6d4; }
.cat-conversores .tool-card-icon { background-color: rgba(139, 92, 246, 0.08); color: #8b5cf6; }

.tool-fav-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.25rem;
  transition: var(--transition);
  z-index: 10;
}

.tool-fav-btn:hover, .tool-fav-btn.active {
  color: #f59e0b;
}

.tool-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.tool-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 1.25rem;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.tool-badge {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  text-transform: uppercase;
}

.tool-card:hover .tool-card-footer .go-link {
  color: var(--primary);
}

.tool-card-footer .go-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: var(--transition);
}

/* AdSense Banner Styles */
.adsense-placeholder {
  background-color: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2rem 0;
  text-align: center;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.adsense-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

/* Tool View Layout */
.tool-view-container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  align-items: start;
}

.tool-workspace {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.tool-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.tool-info-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.tool-info-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

/* Drag and Drop Zone */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  background-color: var(--bg-primary);
  transition: var(--transition);
  margin-bottom: 1.5rem;
  position: relative;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.dropzone-icon {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.dropzone-text {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.dropzone-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.file-input {
  display: none;
}

/* Tool Results & Outputs */
.output-box {
  margin-top: 1.5rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
}

.output-title {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.output-textarea {
  width: 100%;
  height: 150px;
  background: none;
  border: none;
  resize: vertical;
  font-family: inherit;
  color: var(--text-primary);
  outline: none;
  font-size: 0.95rem;
}

.output-code {
  font-family: 'Courier New', Courier, monospace;
  background-color: var(--bg-tertiary);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
  margin-top: 0.5rem;
  max-height: 250px;
}

.btn-copy-absolute {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
  font-size: 0.95rem;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-success {
  background-color: var(--success);
  color: #ffffff;
}

.btn-success:hover {
  background-color: #0d9488;
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  background-color: var(--bg-secondary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Previews list */
.files-preview-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.file-preview-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.file-preview-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.file-preview-icon {
  font-size: 1.5rem;
  color: var(--primary);
}

.file-preview-name {
  font-weight: 600;
  font-size: 0.875rem;
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-preview-size {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.file-remove-btn {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 1rem;
}

/* Image Cropper Workspace wrapper */
.cropper-container-wrapper {
  max-width: 100%;
  max-height: 400px;
  margin-bottom: 1.5rem;
  overflow: hidden;
  background-color: #000000;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cropper-container-wrapper img {
  max-width: 100%;
  max-height: 400px;
  display: block;
}

/* FAQ Accordion Styling */
.faq-section {
  margin-top: 3rem;
  margin-bottom: 3.5rem;
}

.faq-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.faq-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1rem;
  background: none;
  border: none;
  text-align: left;
  color: var(--text-primary);
  cursor: pointer;
}

.faq-trigger i {
  transition: var(--transition);
  color: var(--primary);
}

.faq-content {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition);
  color: var(--text-secondary);
  font-size: 0.925rem;
}

.faq-item.active .faq-content {
  padding: 0 1.5rem 1.5rem;
  max-height: 250px;
}

.faq-item.active .faq-trigger i {
  transform: rotate(180deg);
}

/* SEO content details */
.seo-details-section {
  margin-top: 2.5rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.seo-details-content {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.seo-details-content h2 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.seo-details-content p {
  margin-bottom: 1rem;
}

.seo-details-content ol, .seo-details-content ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* Footer Section */
footer {
  margin-top: auto;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 1.5rem;
  width: 100%;
  transition: var(--transition);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto 2.5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social-link:hover {
  background-color: var(--primary);
  color: #ffffff;
}

.footer-column h4 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: 0.5px;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 0.75rem;
}

.footer-column a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-column a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Blog Layout Elements */
.blog-header {
  text-align: center;
  padding: 3rem 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 2.5rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.blog-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.blog-card-category {
  color: var(--primary);
  text-transform: uppercase;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex: 1;
}

.blog-card-link {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

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

.blog-post-header {
  margin-bottom: 2rem;
}

.blog-post-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.blog-post-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.blog-post-cover {
  width: 100%;
  max-height: 450px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 2.5rem;
}

.blog-post-content {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.blog-post-content h2, .blog-post-content h3 {
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.blog-post-content p {
  margin-bottom: 1.5rem;
}

.blog-post-content ul, .blog-post-content ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

/* Admin Dashboard Elements */
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 2rem;
}

.admin-nav {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-nav-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
}

.admin-nav-item:hover, .admin-nav-item.active {
  background-color: var(--primary-light);
  color: var(--primary);
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.admin-stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.admin-stat-val {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.admin-stat-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.admin-panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  min-height: 500px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  text-align: left;
}

.admin-table th, .admin-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.admin-table th {
  font-weight: 700;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
}

/* History & Fav Widgets in Sidebar / Sidebar specific tweaks */
.history-section-sidebar {
  margin-top: 1.5rem;
  padding: 0 0.75rem;
}

.history-item-sidebar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-sidebar:hover {
  background-color: var(--bg-tertiary);
  color: var(--primary);
}

/* Toast Message */
.toast-msg {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2000;
  transform: translateY(150%);
  transition: var(--transition);
}

.toast-msg.show {
  transform: translateY(0);
}

.toast-msg i {
  color: var(--primary);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 0px;
  }
  
  header {
    left: 0;
    padding: 0 1rem;
  }
  
  main {
    margin-left: 0;
    padding: 1.5rem;
    width: 100%;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  aside {
    transform: translateX(-100%);
    width: 280px;
  }
  
  aside.open {
    transform: translateX(0);
  }
  
  .tool-view-container {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .admin-grid {
    grid-template-columns: 1fr;
  }
  
  .admin-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .admin-stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   NEW HOME PAGE SECTIONS
   ============================================ */

/* --- Popular Tools Section --- */
.popular-section {
  margin-bottom: 3.5rem;
}

.popular-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.popular-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.popular-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.popular-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--shadow-premium);
  border-color: var(--primary-light);
}

.popular-rank {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
}

.popular-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.popular-card-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.popular-card-uses {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* --- Novedades Section --- */
.novedades-section {
  margin-bottom: 3.5rem;
}

.novedades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.novedad-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.novedad-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.novedad-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.novedad-info {
  flex: 1;
  min-width: 0;
}

.novedad-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.novedad-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.65rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--success), #059669);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Newsletter Banner --- */
.newsletter-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-xl);
  padding: 2.5rem 3rem;
  margin-bottom: 3.5rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 40px -8px rgba(79, 70, 229, 0.35);
}

.newsletter-banner::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 250px; height: 250px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}

.newsletter-banner::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}

.newsletter-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.newsletter-text h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.5px;
}

.newsletter-text p {
  font-size: 0.95rem;
  opacity: 0.85;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 340px;
}

.newsletter-form input {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: none;
  font-family: inherit;
  font-size: 0.9rem;
  background: rgba(255,255,255,0.15);
  color: #ffffff;
  outline: none;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.65);
}

.newsletter-form input:focus {
  background: rgba(255,255,255,0.25);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.2);
}

.newsletter-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.newsletter-btn {
  padding: 0.875rem 1.5rem;
  background: #ffffff;
  color: var(--primary);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.newsletter-btn:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.newsletter-success {
  display: none;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  font-weight: 700;
  font-size: 1.05rem;
  backdrop-filter: blur(10px);
}

/* --- Lazy Fade In --- */
.lazy-section {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.lazy-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive New Sections --- */
@media (max-width: 1100px) {
  .popular-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .popular-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .newsletter-content {
    grid-template-columns: 1fr;
  }

  .newsletter-form {
    min-width: unset;
    width: 100%;
  }

  .newsletter-banner {
    padding: 2rem 1.5rem;
  }

  .newsletter-text h2 {
    font-size: 1.25rem;
  }
}

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

  .newsletter-form-row {
    grid-template-columns: 1fr;
  }

  .novedades-grid {
    grid-template-columns: 1fr;
  }
}