/* ==========================================================================
   CodeCrate - Dedicated Tool Workspace Styles
   Professional 2-Panel Developer Workspace, Code Editors, Metrics, Tree Views,
   CSV Table Previews, and Action Toolbars.
   Light & Dark Theme Compatible.
   ========================================================================== */

/* ==========================================================================
   DEDICATED TOOL HERO STYLES
   Subtle grid pattern, blue/cyan glow, category badge, H1, description & chips.
   ========================================================================== */
.tool-hero-section {
  position: relative;
  overflow: hidden;
  padding: 3rem 0 2.25rem;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.tool-hero-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 720px;
  height: 320px;
  background: radial-gradient(ellipse 65% 55% at 50% 25%, rgba(56, 189, 248, 0.16) 0%, rgba(34, 211, 238, 0.06) 50%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.tool-hero-container {
  position: relative;
  z-index: 1;
  max-width: var(--max-width, 1440px);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Breadcrumb Navigation */
.tool-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tool-breadcrumb a {
  color: var(--brand-primary);
  transition: color var(--transition-fast);
}

.tool-breadcrumb a:hover {
  text-decoration: underline;
}

.tool-breadcrumb-sep {
  opacity: 0.4;
}

/* Tool Header Block & Meta Row */
.tool-hero-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tool-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand-primary);
  background-color: var(--cat-json-bg);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
}

.tool-category-icon {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
}

.privacy-indicator-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
}

.privacy-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 6px #10b981;
}

.tool-hero-header-row {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.tool-hero-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.tool-hero-title-wrap {
  flex: 1;
}

.tool-hero-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0 0 0.65rem 0;
}

.tool-hero-desc {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 860px;
  margin: 0;
}

/* Tool Topic / Keyword Chips (Natural Topic Chips, No Ugly Label) */
.tool-topic-chips {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-default);
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.tool-chip:hover {
  background-color: var(--bg-surface);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* ==========================================================================
   TWO-PANEL DEVELOPER WORKSPACE (Target 1400px–1500px, ~60-70vh Editor Height)
   ========================================================================== */
.tool-workspace-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.tool-workspace {
  margin: 2rem 0 3.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  position: relative;
}

.tool-workspace-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: clamp(520px, 64vh, 740px);
}

.tool-panel {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-card);
  position: relative;
}

.tool-panel-left {
  border-right: 1px solid var(--border-subtle);
}

/* Panel Header & Toolbar */
.panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.5rem;
  flex-wrap: wrap;
}

.panel-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

/* Tool Buttons */
.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  user-select: none;
}

.tool-btn:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.tool-btn.is-active {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #ffffff;
  box-shadow: 0 1px 4px var(--primary-glow);
}

.tool-btn-primary {
  background: var(--brand-gradient);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 1px 4px var(--primary-glow);
}

.tool-btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 2px 8px var(--primary-glow);
  color: #ffffff;
}

.tool-btn-icon-only {
  padding: 0.35rem;
  min-width: 30px;
}

/* Editor Textareas */
.editor-textarea-wrap {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.code-editor-input {
  width: 100%;
  flex: 1;
  min-height: clamp(480px, 60vh, 700px);
  padding: 1.15rem;
  background-color: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-primary);
  resize: none;
  white-space: pre;
  tab-size: 2;
}

.code-editor-input::placeholder {
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Options Bar */
.tool-options-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.option-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.option-label {
  font-weight: 600;
  color: var(--text-muted);
}

.option-select {
  padding: 0.25rem 0.5rem;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  outline: none;
  cursor: pointer;
}

.option-select:focus {
  border-color: var(--brand-primary);
}

/* Metrics & Stats Bar */
.tool-metrics-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.45rem 1rem;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.metric-val {
  font-weight: 700;
  color: var(--text-primary);
}

.metric-saved {
  color: #10b981;
  font-weight: 700;
}

/* Status Notifications & Error Banners */
.tool-status-banner {
  display: none;
  margin: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  line-height: 1.5;
}

.status-banner-success {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.status-banner-error {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.error-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.error-snippet-box {
  background-color: var(--bg-surface);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-xs);
  padding: 0.6rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-all;
}

.error-pointer {
  color: #ef4444;
  font-weight: 800;
}

/* ==========================================================================
   JSON VIEWER INTERACTIVE TREE VIEW
   ========================================================================== */
.json-tree-container {
  padding: 1.15rem;
  flex: 1;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  min-height: clamp(480px, 60vh, 700px);
  max-height: 750px;
}

.tree-node {
  margin-left: 1.25rem;
  position: relative;
}

.tree-root > .tree-node {
  margin-left: 0;
}

.tree-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.12rem 0.25rem;
  border-radius: 3px;
  cursor: default;
}

.tree-row:hover {
  background-color: var(--bg-subtle);
}

.tree-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  cursor: pointer;
  color: var(--text-muted);
  user-select: none;
  font-size: 0.7rem;
  transition: transform var(--transition-fast);
}

.tree-toggle-btn.collapsed {
  transform: rotate(-90deg);
}

.tree-key {
  color: var(--brand-primary);
  font-weight: 600;
}

.tree-colon {
  color: var(--text-dim);
  margin-right: 0.25rem;
}

.tree-val-string { color: #10b981; }
.tree-val-number { color: #f59e0b; }
.tree-val-boolean { color: #8b5cf6; font-weight: 700; }
.tree-val-null { color: var(--text-dim); font-style: italic; }

.tree-size-badge {
  font-size: 0.72rem;
  color: var(--text-dim);
  background-color: var(--bg-subtle);
  border-radius: var(--radius-full);
  padding: 0.05rem 0.4rem;
  margin-left: 0.25rem;
}

.tree-children.is-hidden {
  display: none;
}

/* ==========================================================================
   JSON TO CSV TABLE PREVIEW
   ========================================================================== */
.csv-preview-container {
  padding: 1.15rem;
  flex: 1;
  overflow: auto;
  min-height: clamp(480px, 60vh, 700px);
  max-height: 750px;
}

.csv-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
}

.csv-preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  text-align: left;
}

.csv-preview-table th {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  font-weight: 700;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border-default);
  border-right: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.csv-preview-table th:last-child {
  border-right: none;
}

.csv-preview-table td {
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  white-space: nowrap;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.csv-preview-table td:last-child {
  border-right: none;
}

.csv-preview-table tr:hover td {
  background-color: var(--bg-subtle);
}

/* Toast Floating Feedback */
.tool-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--text-primary);
  color: var(--text-inverse);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 999;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.tool-toast.is-active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Stacking for Tool Workspace */
@media (max-width: 900px) {
  .tool-workspace-grid {
    grid-template-columns: 1fr;
  }

  .tool-panel-left {
    border-right: none;
    border-bottom: 1px solid var(--border-default);
  }

  .code-editor-input {
    min-height: 280px;
  }
}

/* ==========================================================================
   WIDER TOOL INFORMATION & SEO CONTENT ARCHITECTURE
   Matches 1180px–1280px Workspace Grid with Readable Inner Line-Lengths
   ========================================================================== */
.tool-info-wrapper {
  padding: 3rem 0 5rem;
  background-color: var(--bg-canvas);
}

.tool-info-stack {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Base Card / Section Containers */
.tool-info-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-xs);
}

.tool-info-tinted {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.tool-info-plain {
  padding: 0.5rem 0;
}

.tool-section-header {
  margin-bottom: 1.75rem;
}

.tool-section-header h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.tool-section-lead {
  font-size: 0.975rem;
  color: var(--text-muted);
  max-width: 820px;
  line-height: 1.6;
  margin: 0;
}

/* Readable Paragraph Text Width Container */
.section-readable-content {
  max-width: 840px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.section-readable-content p {
  margin-bottom: 1rem;
}

.section-readable-content p:last-child {
  margin-bottom: 0;
}

.section-readable-content strong {
  color: var(--text-primary);
}

.section-readable-content code {
  background-color: var(--bg-subtle);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-subtle);
  font-size: 0.85em;
  color: var(--brand-primary);
}

/* ==========================================================================
   HOW TO USE - VISUAL 4-STEP GRID
   ========================================================================== */
.how-to-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.how-to-step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.how-to-step-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.step-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background-color: var(--cat-json-bg);
  color: var(--brand-primary);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.step-title {
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   EXAMPLE / EXPLANATION - 2-COLUMN COMPARISON GRID
   ========================================================================== */
.example-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.example-box {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.example-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.example-box-header.is-valid {
  color: #10b981;
}

.example-box-header.is-invalid {
  color: #ef4444;
}

.example-badge-valid {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.5rem;
  background-color: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}

.example-badge-invalid {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.5rem;
  background-color: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}

.example-code-block {
  margin: 0;
  padding: 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.55;
  background-color: transparent;
  color: var(--text-primary);
  overflow-x: auto;
  white-space: pre;
}

/* ==========================================================================
   FEATURES / BENEFITS 3-COLUMN CARDS
   ========================================================================== */
.features-benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.feature-benefit-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.feature-benefit-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.feature-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--cat-json-bg);
  color: var(--brand-primary);
  margin-bottom: 0.25rem;
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   FAQ ACCORDION LAYOUT
   Crawlable native HTML details/summary elements
   ========================================================================== */
.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.faq-accordion-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-accordion-item:hover {
  border-color: var(--border-hover);
}

.faq-accordion-item[open] {
  border-color: var(--brand-primary);
  box-shadow: 0 2px 12px rgba(56, 189, 248, 0.12);
}

.faq-accordion-summary {
  padding: 1.15rem 1.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  user-select: none;
  transition: background-color var(--transition-fast);
}

.faq-accordion-summary::-webkit-details-marker {
  display: none;
}

.faq-accordion-summary:hover {
  background-color: var(--bg-subtle);
}

.faq-summary-text {
  flex: 1;
}

.faq-chevron-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition-smooth);
}

.faq-accordion-item[open] .faq-chevron-icon {
  transform: rotate(180deg);
  color: var(--brand-primary);
}

.faq-accordion-body {
  padding: 0 1.35rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
}

.faq-accordion-body p {
  margin: 0;
}

/* Use Cases Grid */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.use-case-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.use-case-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.use-case-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   RELATED TOOLS - COMPACT 4-6 GRID CARDS
   ========================================================================== */
.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.related-tool-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  height: 100%;
}

.related-tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-md);
}

.related-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.related-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.4rem 0;
}

.related-card-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 1rem 0;
  flex: 1;
}

.related-card-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--brand-primary);
  transition: transform var(--transition-fast);
}

.related-tool-card:hover .related-card-action {
  transform: translateX(3px);
}

/* ==========================================================================
   RESPONSIVE STACKING FOR TOOL SECTIONS & HERO
   ========================================================================== */
@media (max-width: 1024px) {
  .how-to-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .features-benefit-grid {
    grid-template-columns: 1fr;
  }
  .example-comparison-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tool-hero-section {
    padding: 2.25rem 0 1.75rem;
  }
  .tool-info-card,
  .tool-info-tinted {
    padding: 1.5rem 1.25rem;
  }
  .how-to-steps-grid {
    grid-template-columns: 1fr;
  }
  .related-tools-grid {
    grid-template-columns: 1fr;
  }
  .faq-accordion-summary {
    padding: 1rem 1.15rem;
    font-size: 0.9375rem;
  }
  .faq-accordion-body {
    padding: 0 1.15rem 1rem;
    padding-top: 0.75rem;
  }
}

/* ==========================================================================
   ENHANCED TOOL WORKSPACE, HERO COMPONENTS & EDUCATIONAL ARTICLE SYSTEM
   Cohesive 1440px Developer Experience for All 50 CodeCrate Tools
   Light & Dark Theme Compatible
   ========================================================================== */

/* Hero Aliases & Badges */
.tool-hero-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.tool-hero-icon {
  display: inline-flex;
  font-size: 1.85rem;
  line-height: 1;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.breadcrumb-link {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  opacity: 0.4;
  margin: 0 0.25rem;
  user-select: none;
}

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

.tool-keyword-chips {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0.85rem 0;
}

.keyword-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-default);
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.keyword-chip:hover {
  background-color: var(--bg-surface);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.tool-privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  margin-top: 0.75rem;
}

.badge-dev,
.badge-utility,
.badge-neutral,
.cat-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.nonstandard-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-xs);
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   TOOL WORKSPACE SECTION & SETTINGS BAR
   ========================================================================== */
.tool-workspace-section {
  padding: 0;
  margin: 1.5rem 0 3.5rem;
}

.tool-settings-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  gap: 1rem;
  flex-wrap: wrap;
}

.setting-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.setting-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.setting-select,
.tool-select {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

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

.tool-feedback-box {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.5;
  margin: 1rem 0;
  border: 1px solid transparent;
  display: none;
}

.tool-feedback-box.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.tool-feedback-box.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.tool-feedback-box.info {
  display: block;
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--brand-primary);
}

/* 2-Column Code Editors Grid (Diff, Minifier, Converters) */
.tool-editors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-default);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  min-height: clamp(520px, 64vh, 740px);
}

.editor-column {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  position: relative;
}

.editor-column:first-child {
  border-right: 1px solid var(--border-subtle);
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.5rem;
  flex-wrap: wrap;
}

.editor-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.editor-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}

.code-textarea {
  width: 100%;
  flex: 1;
  min-height: clamp(480px, 58vh, 680px);
  padding: 1.15rem;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-primary);
  resize: none;
  white-space: pre;
  tab-size: 2;
}

.code-textarea::placeholder {
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.editor-footer {
  padding: 0.55rem 1rem;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-ghost:hover {
  background: var(--bg-surface);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.btn-copy-code {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   MINIFIER STATS DASHBOARD
   ========================================================================== */
.minifier-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.minifier-stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  box-shadow: var(--shadow-xs);
}

.minifier-stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.minifier-stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.reduction {
  color: #10b981;
}

/* ==========================================================================
   DIFF RESULTS DISPLAY (Code Diff & Text Diff)
   ========================================================================== */
.diff-results-container {
  margin-top: 2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.diff-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.diff-stats-badge-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.diff-stat-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
}

.diff-stat-pill.added {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.diff-stat-pill.removed {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.diff-stat-pill.unchanged {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.diff-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.diff-table td {
  padding: 0.4rem 0.75rem;
  vertical-align: top;
}

.diff-line-num {
  width: 50px;
  text-align: right;
  color: var(--text-dim);
  user-select: none;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
  font-size: 0.8rem;
}

.diff-prefix {
  width: 24px;
  text-align: center;
  font-weight: 700;
  user-select: none;
}

.diff-row-added {
  background: rgba(16, 185, 129, 0.08);
  color: #10b981;
}

.diff-row-added .diff-prefix {
  color: #10b981;
}

.diff-row-removed {
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
}

.diff-row-removed .diff-prefix {
  color: #ef4444;
}

.diff-row-unchanged {
  color: var(--text-primary);
}

.diff-word-added {
  background: rgba(16, 185, 129, 0.28);
  border-radius: 2px;
  padding: 0.1rem 0.25rem;
}

.diff-word-removed {
  background: rgba(239, 68, 68, 0.28);
  border-radius: 2px;
  padding: 0.1rem 0.25rem;
  text-decoration: line-through;
}

/* ==========================================================================
   CASE CONVERTER MODES
   ========================================================================== */
.case-modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
  margin: 1.25rem 0;
}

.case-mode-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.85rem 1.15rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.case-mode-btn:hover {
  border-color: var(--brand-primary);
  background: var(--bg-subtle);
}

.case-mode-btn.is-active {
  border-color: var(--brand-primary);
  background: var(--cat-json-bg);
  box-shadow: 0 0 0 1px var(--brand-primary);
}

/* ==========================================================================
   CRON UTILITIES & VISUAL GENERATOR
   ========================================================================== */
.cron-expression-display {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
  text-align: center;
}

.cron-display-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.cron-input-main {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--brand-primary);
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.5rem 1.25rem;
  text-align: center;
  max-width: 420px;
  width: 100%;
}

.cron-human-summary {
  font-size: 1.15rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-top: 0.5rem;
}

.cron-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-default);
  padding-bottom: 0.75rem;
}

.cron-tab-btn,
.mode-tab-btn {
  padding: 0.5rem 1.15rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cron-tab-btn:hover,
.mode-tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.cron-tab-btn.is-active,
.mode-tab-btn.is-active {
  background: var(--brand-primary);
  color: #ffffff;
}

.cron-visual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.15rem;
  margin-bottom: 1.5rem;
}

.cron-field-group {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cron-field-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.cron-field-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: var(--bg-subtle);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.cron-presets-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.cron-preset-btn,
.preset-btn {
  padding: 0.35rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cron-preset-btn:hover,
.preset-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--bg-subtle);
}

.cron-next-runs {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.cron-runs-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.cron-runs-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-primary);
}

.cron-badge-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--cat-json-bg);
  color: var(--brand-primary);
  font-size: 0.75rem;
  font-weight: 700;
}

/* ==========================================================================
   MIME TYPES & HTTP STATUS CODES LOOKUP GRIDS
   ========================================================================== */
.lookup-controls-bar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.lookup-search-box {
  position: relative;
  width: 100%;
}

.lookup-search-input {
  width: 100%;
  padding: 0.95rem 1.25rem 0.95rem 3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 1.05rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.lookup-search-input:focus {
  border-color: var(--brand-primary);
}

.lookup-search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.15rem;
  pointer-events: none;
}

.lookup-pills-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lookup-pill {
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lookup-pill:hover,
.lookup-pill.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #ffffff;
}

.mime-cards-grid,
.status-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.35rem;
}

.mime-card,
.status-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.mime-card:hover,
.status-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.mime-card-header,
.status-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.mime-ext-badge,
.status-code-badge {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--brand-primary);
}

.mime-type-name,
.status-phrase {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.mime-header-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  word-break: break-all;
}

.mime-desc,
.status-meaning {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.status-use-case,
.status-dev-note {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--brand-primary);
  line-height: 1.5;
}

.btn-copy-mime {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-copy-mime:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Markdown Previewer */
.markdown-preview-pane {
  padding: 1.5rem;
  overflow-y: auto;
  background: var(--bg-card);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: clamp(480px, 58vh, 680px);
}

.markdown-preview-pane h1,
.markdown-preview-pane h2,
.markdown-preview-pane h3 {
  color: var(--text-primary);
  margin-top: 1.25rem;
  margin-bottom: 0.75rem;
}

.markdown-preview-pane pre {
  background: var(--bg-subtle);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-family: var(--font-mono);
}

.markdown-preview-pane blockquote {
  border-left: 4px solid var(--brand-primary);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--text-muted);
}

/* ==========================================================================
   PATTERN B SEO EDUCATIONAL ARTICLE STYLING
   ========================================================================== */
.tool-seo-article,
.tool-seo-content {
  padding: 3rem 0 5rem;
  background-color: var(--bg-canvas);
}

.tool-seo-container {
  width: 100%;
  max-width: var(--max-width, 1440px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.seo-section {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-xs);
}

.seo-section h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.seo-step-list,
.seo-steps-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  counter-reset: seo-step-counter;
}

.seo-step-list li,
.seo-steps-list li {
  counter-increment: seo-step-counter;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.seo-step-list li::before,
.seo-steps-list li::before {
  content: counter(seo-step-counter);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background-color: var(--cat-json-bg);
  color: var(--brand-primary);
  font-weight: 700;
  font-size: 0.8125rem;
  border: 1px solid rgba(56, 189, 248, 0.25);
  margin-bottom: 0.5rem;
}

.seo-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.seo-features-grid .feature-item,
.seo-features-grid .feature-benefit-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.seo-features-grid .feature-item:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.feature-item .feature-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.feature-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.seo-benefits-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.seo-benefits-list li {
  position: relative;
  padding-left: 1.5rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.seo-benefits-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #10b981;
  font-weight: 700;
}

.seo-code-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.seo-code-comparison .code-col {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow: hidden;
}

.code-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.code-col pre {
  margin: 0;
  background: var(--bg-card);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-primary);
}

.seo-faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.seo-faq-grid .faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.seo-faq-grid .faq-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.seo-faq-grid .faq-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 900px) {
  .tool-editors-grid {
    grid-template-columns: 1fr;
  }
  .editor-column:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .seo-code-comparison {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   SUPPLEMENTARY WORKSPACE, TABLE & COMPONENT UTILITIES
   ========================================================================== */
.tool-page-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.tool-main-content,
.main-content {
  flex: 1;
}

.tool-info-container {
  width: 100%;
  max-width: var(--max-width, 1440px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.tool-panel-right {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-card);
  position: relative;
}

.tool-actions-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.5rem;
  flex-wrap: wrap;
}

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

.tool-input-text {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

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

.option-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.panel-footer-status {
  padding: 0.45rem 1rem;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-empty-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 240px;
  color: var(--text-dim);
  font-size: 0.95rem;
  font-style: italic;
}

/* CSV Grid Table & Search */
.csv-search-input {
  width: 100%;
  max-width: 360px;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.8125rem;
  outline: none;
}

.csv-grid-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
}

.csv-grid-table th {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-default);
  border-right: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 2;
}

.csv-grid-table td {
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.csv-grid-table tr:hover td {
  background: var(--bg-subtle);
}

/* Cron Breakdown Table */
.cron-breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-top: 1rem;
}

.cron-breakdown-table th {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-default);
}

.cron-breakdown-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.cron-breakdown-table td:first-child {
  font-weight: 700;
  color: var(--brand-primary);
  font-family: var(--font-mono);
}

/* Card Actions & Status Badges */
.mime-card-actions,
.status-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
}

.status-indicator-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-indicator-badge.cat-info {
  background: rgba(56, 189, 248, 0.15);
  color: var(--brand-primary);
}

.status-indicator-badge.cat-success {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.status-indicator-badge.cat-redirect {
  background: rgba(139, 92, 246, 0.15);
  color: #8b5cf6;
}

.status-indicator-badge.cat-client {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.status-indicator-badge.cat-server {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

/* Related Tools Link & Info Variants */
.related-tool-link {
  text-decoration: none;
}

.tool-card-info,
.related-tool-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.related-tool-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.related-tool-name,
.related-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.related-tool-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* SEO Educational Section Sub-components */
.seo-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 0.5rem;
}

.seo-code {
  background-color: var(--bg-subtle);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-subtle);
  font-size: 0.85em;
  font-family: var(--font-mono);
  color: var(--brand-primary);
}

.seo-example-block {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1rem 0;
}

.seo-example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.seo-feature-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.seo-use-cases {
  margin: 1.25rem 0;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.faq-answer {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}