/* =========================================================
   TOOL FIXT - COMPONENTS STYLESHEET
   Cards, Tool Workbench, Dropzones, Pricing, Modals
   ========================================================= */

/* Hero Section */
.hero-section {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(circle at 50% 20%, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--brand-primary-light);
  color: var(--brand-primary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(79, 70, 229, 0.2);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.15rem;
  max-width: 680px;
  margin: 0 auto 2rem;
  color: var(--text-secondary);
}

.hero-search-box {
  max-width: 580px;
  margin: 0 auto 2rem;
  position: relative;
}

.hero-search-input {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3rem;
  font-size: 1rem;
  background: var(--bg-surface);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.hero-search-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}

.hero-search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

/* Category Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.category-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.6rem 1.4rem;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s ease, border-color 0.22s ease;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 12px 28px -6px rgba(0, 0, 0, 0.1), 0 4px 10px -2px rgba(0, 0, 0, 0.04);
}

.category-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease;
}

.category-card:hover .category-icon-wrapper {
  transform: scale(1.06);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.45rem;
}

.category-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.category-tool-count {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}


/* Tool Directory & Cards Grid - iLovePDF Minimalist Style */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.tool-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s ease, border-color 0.22s ease;
  text-decoration: none;
  position: relative;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.tool-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 12px 28px -6px rgba(0, 0, 0, 0.1), 0 4px 10px -2px rgba(0, 0, 0, 0.04);
  transform: translateY(-4px);
}

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

.tool-card-icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.tool-card:hover .tool-card-icon-badge {
  transform: scale(1.06);
}

.tool-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tool-badge-free {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.tool-badge-pro {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.tool-card-body {
  flex: 1;
  margin-bottom: 1.25rem;
}

.tool-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.45rem 0;
  line-height: 1.35;
  transition: color 0.15s ease;
}

.tool-card:hover .tool-card-title {
  color: var(--brand-primary);
}

.tool-card-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-card-bottom {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color-subtle);
}

.tool-card-category {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 80%;
}

.tool-card-action-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.tool-card:hover .tool-card-action-icon {
  transform: translateX(4px);
}


/* Breadcrumbs */
.breadcrumb-nav {
  padding: 1rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb-nav a {
  color: var(--text-secondary);
}

.breadcrumb-separator {
  color: var(--text-muted);
}

/* Tool Execution Workbench */
.tool-workbench-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  margin: 1.5rem 0;
}

.tool-header-block {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2rem;
}

.tool-header-block h1 {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.tool-header-block p {
  font-size: 1.05rem;
}

/* Dropzone / Upload Area */
.tool-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  background-color: var(--bg-surface-raised);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 1.5rem;
}

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

.dropzone-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 1rem;
  color: var(--brand-primary);
}

.dropzone-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.dropzone-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Form Controls in Tool Interface */
.tool-form-group {
  margin-bottom: 1.25rem;
}

.tool-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.tool-input, .tool-textarea, .tool-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.tool-input:focus, .tool-textarea:focus, .tool-select:focus {
  border-color: var(--brand-primary);
}

.tool-textarea {
  min-height: 140px;
  resize: vertical;
}

/* Result & Processing States */
.tool-processing-bar {
  display: none;
  text-align: center;
  padding: 2rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
  margin: 0 auto 1rem;
}

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

.tool-result-area {
  display: none;
  background-color: var(--bg-surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.result-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Step-by-step How to Use */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.step-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--brand-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

/* Accordion FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}

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

.faq-question {
  padding: 1.25rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--text-primary);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.pricing-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.pricing-card.recommended {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 2px var(--brand-primary), var(--shadow-lg);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-primary);
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 1.25rem 0 0.5rem;
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: normal;
}

.pricing-features {
  list-style: none;
  margin: 1.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-features li svg {
  color: var(--brand-accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Modal Window (Quota Limit & Upgrade Modal) */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  padding: 2.25rem;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
}
.modal-close-btn:hover { color: var(--text-primary); }

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideUp 250ms ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Multi-Functional Tool Workflow & Advanced Controls */
.tool-workflow-tabs {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border-bottom: 2px solid var(--border-color);
  background: var(--bg-surface-raised);
  padding: 0.5rem 0.75rem 0;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  overflow-x: auto;
  scrollbar-width: thin;
}

.tool-workflow-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  margin-bottom: -2px;
  border-top-left-radius: var(--radius-sm);
  border-top-right-radius: var(--radius-sm);
}

.tool-workflow-tab:hover {
  color: var(--brand-primary);
  background: rgba(79, 70, 229, 0.05);
}

.tool-workflow-tab.active {
  color: var(--brand-primary);
  border-bottom-color: var(--brand-primary);
  background: var(--bg-surface);
  font-weight: 700;
}

.tool-workflow-tab .tab-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--border-color);
  color: var(--text-primary);
}

.tool-workflow-tab.active .tab-badge {
  background: var(--brand-primary-light);
  color: var(--brand-primary);
}

/* Advanced Settings Collapsible */
.tool-advanced-drawer {
  margin-top: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface-raised);
}

.tool-advanced-drawer-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: none;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.tool-advanced-drawer-toggle:hover {
  background: rgba(0, 0, 0, 0.02);
}

.tool-advanced-drawer-toggle .toggle-icon {
  transition: transform 0.2s ease;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tool-advanced-drawer.open .tool-advanced-drawer-toggle .toggle-icon {
  transform: rotate(180deg);
}

.tool-advanced-drawer-content {
  display: none;
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface);
}

.tool-advanced-drawer.open .tool-advanced-drawer-content {
  display: block;
}

/* Telemetry & File Inspector */
.tool-telemetry-box {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.tool-telemetry-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Chained Workflow Actions */
.chained-workflow-bar {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}

.chained-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chained-action-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--brand-primary-light);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .hero-title { font-size: clamp(1.85rem, 5vw + 0.5rem, 2.5rem); }
  .tool-header-block h1 { font-size: 1.6rem; }
  .tool-workbench-card { padding: 1.15rem; }
  .modal-content { 
    padding: 1.25rem; 
    width: calc(100% - 24px) !important; 
    max-height: 88vh; 
    overflow-y: auto; 
    border-radius: 16px;
  }
  .tool-workflow-tabs { 
    padding: 0.25rem 0.5rem 0; 
    overflow-x: auto; 
    flex-wrap: nowrap; 
    -webkit-overflow-scrolling: touch;
  }
  .tool-workflow-tab { 
    padding: 0.5rem 0.75rem; 
    font-size: 0.8rem; 
    white-space: nowrap; 
  }
  .categories-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
    margin: 1.25rem 0;
  }
  .category-card {
    padding: 1rem 0.85rem;
    border-radius: 12px;
  }
  .category-icon-wrapper {
    width: 40px;
    height: 40px;
    margin-bottom: 0.65rem;
    border-radius: 10px;
  }
  .category-card h3 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
  }
  .category-card p {
    font-size: 0.76rem;
    line-height: 1.35;
    margin-bottom: 0.65rem;
  }
  .category-tool-count {
    font-size: 0.74rem;
  }
  .steps-container {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
    gap: 0.65rem !important;
  }
  .hero-ctas .btn {
    width: 100%;
    min-height: 46px;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin: 1.75rem 0;
  }
  .pricing-card {
    padding: 1.5rem 1.25rem;
    border-radius: 16px;
  }
  .pricing-price {
    font-size: 2.1rem;
    margin: 1rem 0 0.25rem;
  }
}


@media (max-width: 360px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
}


/* =========================================================
   STICKY BOTTOM-RIGHT EARNING OPPORTUNITY POPUP MODAL
   ========================================================= */
.sticky-earning-popup {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 360px;
  max-width: calc(100vw - 32px);
  background: linear-gradient(145deg, #0d1322 0%, #1e1b4b 60%, #172554 100%);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 18px;
  box-shadow: 0 16px 40px -6px rgba(0, 0, 0, 0.45), 0 0 24px -4px rgba(245, 158, 11, 0.25);
  color: #ffffff;
  padding: 1.35rem 1.25rem 1.25rem;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font-family, system-ui, -apple-system, sans-serif);
}

.sticky-earning-popup.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.sticky-earning-popup.closing {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
}

.earning-popup-glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

.earning-popup-close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
  z-index: 3;
}

.earning-popup-close-btn:hover {
  background: rgba(239, 68, 68, 0.85);
  color: #ffffff;
  border-color: rgba(239, 68, 68, 1);
  transform: rotate(90deg);
}

.earning-popup-content {
  position: relative;
  z-index: 2;
}

.earning-popup-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: #fde047;
  padding: 0.28rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.earning-popup-badge-icon {
  font-size: 0.85rem;
  animation: pulseFire 1.6s ease-in-out infinite alternate;
}

@keyframes pulseFire {
  0% { transform: scale(1); }
  100% { transform: scale(1.2); }
}

.earning-popup-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, #ffffff 40%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0 0.55rem 0;
  line-height: 1.3;
}

.earning-popup-reward-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.45rem 0.85rem;
  border-radius: 10px;
  margin-bottom: 0.65rem;
}

.earning-popup-desc {
  font-size: 0.82rem;
  color: #94a3b8;
  line-height: 1.45;
  margin: 0 0 1rem 0;
}

.earning-popup-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.earning-popup-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
  transition: all 0.22s ease;
}

.earning-popup-cta-btn:hover {
  background: linear-gradient(135deg, #fbbf24 0%, #f97316 100%);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
  transform: translateY(-1.5px);
  color: #ffffff;
}

/* Responsive adjustments for mobile screens */
@media (max-width: 480px) {
  .sticky-earning-popup {
    bottom: calc(var(--mobile-nav-height, 60px) + 14px);
    right: 14px;
    left: 14px;
    width: auto;
    max-width: none;
    padding: 1.15rem 1rem 1rem;
    border-radius: 16px;
  }
  .earning-popup-title {
    font-size: 1.12rem;
  }
  .earning-popup-reward-pill {
    font-size: 0.86rem;
    padding: 0.4rem 0.75rem;
  }
}

/* ==========================================================================
   Tool Educational Guide & Dynamic Blog Section (Randomized on Tool Pages)
   ========================================================================== */
.tool-guide-article {
  margin: 3.5rem 0 2rem;
  width: 100%;
}

.tool-guide-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg, 16px);
  padding: 2.25rem 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tool-guide-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-primary, #4f46e5) 0%, #06b6d4 50%, var(--brand-accent, #10b981) 100%);
}

.tool-guide-header {
  margin-bottom: 1.5rem;
}

.tool-guide-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-bottom: 0.85rem;
  font-size: 0.84rem;
}

.tool-guide-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(79, 70, 229, 0.1);
  color: var(--brand-primary, #4f46e5);
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tool-guide-readtime,
.tool-guide-author {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  font-weight: 500;
}

.tool-guide-title {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin: 0.5rem 0 0.65rem;
  letter-spacing: -0.015em;
}

.tool-guide-excerpt {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0.5rem 0 0;
}

.tool-guide-divider {
  height: 1px;
  background: linear-gradient(90deg, var(--border-color) 0%, transparent 100%);
  margin: 1.5rem 0 1.75rem;
}

.tool-guide-body {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.tool-guide-body p {
  margin-bottom: 1.15rem;
}

.tool-guide-body p:last-child {
  margin-bottom: 0;
}

.tool-guide-body h3,
.tool-guide-body h4 {
  color: var(--text-primary);
  font-weight: 700;
  margin: 1.5rem 0 0.65rem;
  line-height: 1.35;
}

.tool-guide-body h3 {
  font-size: 1.25rem;
}

.tool-guide-body h4 {
  font-size: 1.1rem;
}

.tool-guide-body ul,
.tool-guide-body ol {
  margin: 0.75rem 0 1.25rem 1.25rem;
  padding-left: 0.5rem;
}

.tool-guide-body li {
  margin-bottom: 0.5rem;
}

.tool-guide-body strong {
  color: var(--text-primary);
  font-weight: 700;
}

.tool-guide-body a {
  color: var(--brand-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.tool-guide-body a:hover {
  color: var(--brand-accent);
}

.tool-guide-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border-color-subtle, var(--border-color));
  font-size: 0.82rem;
  color: var(--text-muted);
}

.tool-guide-rotation-note {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
}

.tool-guide-rotation-note svg {
  color: var(--brand-primary);
  flex-shrink: 0;
}

.tool-guide-brand-tag {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .tool-guide-card {
    padding: 1.5rem 1.25rem;
  }
  .tool-guide-title {
    font-size: 1.35rem;
  }
  .tool-guide-body {
    font-size: 0.92rem;
  }
}