/* ============================================
   JSONLab - Layout (Sidebar, Rightbar, Dashboard)
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ===== Dashboard 3-Column Layout ===== */
body.dashboard-body {
  display: flex;
  height: 100vh;
  background: var(--bg-primary);
  overflow: hidden;
}

body.dashboard-body .sidebar {
  position: relative;
  top: auto;
  left: auto;
  bottom: auto;
  width: var(--sidebar-width);
  height: 100vh;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.dashboard-body .site-main {
  margin-left: 0;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.dashboard-body .site-footer {
  margin-left: 0;
}

.dashboard-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-8) var(--space-8) var(--space-12);
}

/* ===== Top Navigation Bar (Dashboard) ===== */
.topnav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  height: var(--header-height);
  padding: 0 var(--space-8);
  border-bottom: 1px solid var(--border-primary);
  background: var(--bg-primary);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.topnav-search {
  flex: 1;
  max-width: 400px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.topnav-search:hover {
  border-color: var(--border-secondary);
}

.topnav-search:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(91, 110, 255, 0.1);
}

.topnav-search svg {
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.topnav-search input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
}

.topnav-search input::placeholder {
  color: var(--text-tertiary);
}

.topnav-search .kbd-hint {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 0.625rem;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.topnav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  flex-shrink: 0;
}

.topnav-actions .btn-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
}

.topnav-actions .btn-icon svg {
  width: 18px;
  height: 18px;
}

.topnav-avatar {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-full);
  background: var(--brand-gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.topnav-avatar:hover {
  opacity: 0.85;
}

/* ===== Left Sidebar ===== */
/* ===== Left Sidebar ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-sidebar-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-primary);
  z-index: var(--z-header);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background var(--transition-base);
}

.brand-logo {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--brand-gradient);
  border-radius: var(--radius-md);
  color: white;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  flex-shrink: 0;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow var(--transition-base);
}

.brand-name {
  display: inline-block;
}

.brand-name span {
  color: var(--brand-primary);
}

/* Sidebar nav */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 var(--space-3);
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 4px;
}

.sidebar-nav:hover::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
}

.sidebar-section-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3) var(--space-2);
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px var(--space-3);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 400;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.sidebar-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.sidebar-link.active {
  background: var(--bg-selected);
  color: var(--brand-primary);
  font-weight: 500;
}

.sidebar-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 0.625rem;
  flex-shrink: 0;
}

.sidebar-link.active .sidebar-link-icon {
  color: var(--brand-primary);
}

/* Sidebar footer */
.sidebar-footer {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-3);
  border-top: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.sidebar-footer .btn-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
}

.sidebar-footer .btn-icon svg {
  width: 16px;
  height: 16px;
}

/* ===== Tool page sidebar classes (used by ui.js) ===== */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5) var(--space-3);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  text-decoration: none;
  flex-shrink: 0;
}

.sidebar-brand:hover {
  text-decoration: none;
  color: var(--text-primary);
}

.sidebar-brand:hover .brand-logo {
  transform: rotate(360deg) scale(1.1);
  box-shadow: 0 0 12px rgba(26, 115, 232, 0.35);
}

.sidebar-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 var(--space-3) var(--space-3);
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.sidebar-search:focus-within {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 1px var(--brand-primary);
}

.sidebar-search svg {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.sidebar-filter {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  padding: 0;
}

.sidebar-filter::placeholder {
  color: var(--text-tertiary);
}

.sidebar-filter-clear {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
  padding: 0;
  transition: background var(--transition-fast);
}

.sidebar-filter-clear:hover {
  background: var(--border-secondary);
}

.sidebar-divider {
  height: 1px;
  background: var(--border-primary);
  margin: var(--space-2) var(--space-3);
  opacity: 0.6;
}

.sidebar-category {
  margin-bottom: 2px;
}

.sidebar-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  text-transform: none;
  letter-spacing: normal;
  border-radius: var(--radius-md);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.sidebar-category-header::-webkit-details-marker {
  display: none;
}

.sidebar-category-header::marker {
  content: '';
}

/* Beautiful right-aligned chevron */
.sidebar-category-header::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid var(--text-tertiary);
  border-bottom: 1.5px solid var(--text-tertiary);
  transform: rotate(-45deg);
  margin-left: auto;
  transition: transform var(--transition-fast);
}

.sidebar-category[open]>.sidebar-category-header::after {
  transform: rotate(45deg);
}

.sidebar-category-header:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  transform: translateX(4px);
}

.sidebar-category-count {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  font-weight: 600;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: auto;
  margin-right: var(--space-2);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.sidebar-category-header:hover .sidebar-category-count {
  background: var(--bg-tertiary);
  border-color: var(--border-secondary);
  color: var(--text-primary);
}

.sidebar-category-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 2px 0 6px 12px;
  border-left: 1px dashed var(--border-primary);
  margin-left: 20px;
}

.sidebar-tool-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 400;
  transition: background var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-tool-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
  transform: translateX(6px);
}

.sidebar-tool-link.active {
  background: var(--brand-gradient) !important;
  color: var(--text-inverse) !important;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.sidebar-tool-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-primary);
  flex-shrink: 0;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.sidebar-tool-link:hover .sidebar-tool-icon {
  background: var(--bg-tertiary);
  border-color: var(--border-secondary);
}

.sidebar-tool-link.active .sidebar-tool-icon {
  background: rgba(255, 255, 255, 0.2) !important;
  border-color: rgba(255, 255, 255, 0.4) !important;
  color: var(--text-inverse) !important;
}

.sidebar-tool-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-resources-link {
  font-weight: 400;
  color: var(--text-tertiary);
}

.sidebar-resources-link:hover {
  color: var(--text-primary);
}

/* Dark overrides for tool page sidebar */
[data-theme="dark"] .sidebar-tool-link.active {
  background: var(--bg-selected);
  color: var(--brand-primary);
}

[data-theme="dark"] .sidebar-tool-link.active .sidebar-tool-icon {
  color: var(--brand-primary);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .sidebar-tool-link.active {
    background: var(--bg-selected);
    color: var(--brand-primary);
  }

  :root:not([data-theme="light"]):not([data-theme="dark"]) .sidebar-tool-link.active .sidebar-tool-icon {
    color: var(--brand-primary);
  }
}

/* ===== Right Sidebar ===== */
.rightbar {
  width: var(--rightbar-width);
  background: var(--bg-rightbar);
  border-left: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  padding: var(--space-6) var(--space-5);
  gap: var(--space-8);
}

.rightbar::-webkit-scrollbar {
  width: 4px;
}

.rightbar::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 4px;
}

.rightbar:hover::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
}

.rightbar-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.rightbar-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.rightbar-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.rightbar-card:hover {
  background: var(--bg-elevated);
  border-color: var(--border-secondary);
  text-decoration: none;
}

.rightbar-card-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.rightbar-card-text {
  flex: 1;
  min-width: 0;
}

.rightbar-card-text .name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rightbar-card-text .meta {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  line-height: 1.3;
}

.rightbar-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  text-align: center;
}

.rightbar-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
}

.rightbar-stat-label {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

.rightbar-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.rightbar-changelog {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.rightbar-changelog-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-primary);
}

.rightbar-changelog-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.rightbar-changelog-item .version {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.rightbar-changelog-item .date {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

.rightbar-changelog-item .desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 2px;
}

/* ===== Main (non-dashboard pages) ===== */
.site-main {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Restored natural scrolling flow for tool pages */

/* ===== Hero Section (Dashboard) ===== */
.dashboard-hero {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-10);
  padding: var(--space-10) var(--space-8);
  margin-bottom: var(--space-10);
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, rgba(91, 110, 255, 0.08) 0%, rgba(124, 108, 255, 0.05) 50%, transparent 100%);
  border: 1px solid rgba(91, 110, 255, 0.12);
  overflow: hidden;
}

.dashboard-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(91, 110, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.dashboard-hero-text {
  flex: 1;
  min-width: 0;
}

.dashboard-hero-text .badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(60, 191, 113, 0.12);
  color: var(--success);
  border: 1px solid rgba(60, 191, 113, 0.2);
  margin-bottom: var(--space-5);
}

.dashboard-hero-text h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.dashboard-hero-text .sub {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 480px;
}

.dashboard-hero-preview {
  width: 320px;
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  overflow: hidden;
  box-shadow: var(--brand-glow);
}

.dashboard-hero-preview .preview-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
}

.dashboard-hero-preview .preview-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.dashboard-hero-preview .preview-dot:nth-child(1) {
  background: #ef4444;
}

.dashboard-hero-preview .preview-dot:nth-child(2) {
  background: #fbbf24;
}

.dashboard-hero-preview .preview-dot:nth-child(3) {
  background: #3CBF71;
}

.dashboard-hero-preview .preview-code {
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.7;
  color: var(--text-secondary);
  overflow: auto;
  max-height: 200px;
}

.dashboard-hero-features {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.dashboard-hero-features .hf-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.dashboard-hero-features .hf-item svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

/* ===== Dashboard Sections ===== */
.dashboard-section {
  margin-bottom: var(--space-10);
}

.dashboard-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.dashboard-section-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.dashboard-section-header .section-link {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: color var(--transition-fast);
}

.dashboard-section-header .section-link:hover {
  color: var(--brand-primary);
}

/* ===== Tool Category Grid ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.cat-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.cat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cat-color, var(--brand-primary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.cat-card:hover {
  border-color: var(--border-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.cat-card:hover::before {
  opacity: 1;
}

.cat-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 1rem;
  background: var(--cat-bg, var(--bg-tertiary));
  color: var(--cat-color, var(--text-secondary));
  flex-shrink: 0;
}

.cat-card-body {
  flex: 1;
}

.cat-card-body h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.cat-card-body p {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cat-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-primary);
}

.cat-card-count {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.cat-card-arrow {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  transition: transform var(--transition-fast);
}

.cat-card:hover .cat-card-arrow {
  transform: translateX(3px);
  color: var(--brand-primary);
}

/* ===== Recently Used / Tool List ===== */
.tool-row-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-3);
}

.tool-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.tool-row:hover {
  background: var(--bg-elevated);
  border-color: var(--border-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.tool-row-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 0.8125rem;
  flex-shrink: 0;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.tool-row-text {
  flex: 1;
  min-width: 0;
}

.tool-row-text .name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tool-row-text .meta {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  line-height: 1.3;
}

.tool-row-arrow {
  color: var(--text-tertiary);
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.tool-row:hover .tool-row-arrow {
  transform: translateX(2px);
  color: var(--brand-primary);
}

/* ===== Sections (non-dashboard) ===== */
.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

.section-header h2 {
  margin-bottom: var(--space-3);
}

.section-header p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.section-title-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: var(--space-3);
}

/* ===== Tool page topbar ===== */
.tool-hero {
  padding: var(--space-2) var(--space-5);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  min-height: 44px;
}

.tool-hero .breadcrumbs {
  margin-bottom: 0;
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tool-hero .breadcrumbs a {
  color: var(--text-tertiary);
  font-size: 0.75rem;
}

.tool-hero .breadcrumbs a:hover {
  color: var(--brand-primary);
}

.tool-hero .breadcrumbs .sep {
  color: var(--text-tertiary);
  opacity: 0.4;
  font-size: 0.6875rem;
}

.tool-hero .breadcrumbs>span:last-child {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.tool-hero h1 {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-primary);
  padding-left: var(--space-3);
  border-left: 1px solid var(--border-primary);
}

.tool-hero .lead {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  max-width: none;
  margin: 0;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-left: auto;
  flex-shrink: 1;
  min-width: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-secondary);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-20);
}

/* Restored footer, secondary content section, and container scrolling flow */
body.tool-page .site-main>.container {
  max-width: 100% !important;
  width: 100% !important;
  padding-inline: 0px !important;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand .brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.footer-brand .brand:hover {
  text-decoration: none;
}

.footer-brand p {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  max-width: 260px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
  font-weight: 500;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-primary);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-bottom a {
  color: var(--text-tertiary);
}

.footer-bottom a:hover {
  color: var(--text-primary);
}

/* ===== Grid layouts ===== */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ===== Breadcrumbs ===== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-tertiary);
}

.breadcrumbs a:hover {
  color: var(--text-primary);
}

.breadcrumbs .sep {
  opacity: 0.5;
}

/* ===== Stat Block ===== */
.stat-block {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ===== FAQ layout ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-4) var(--space-5);
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transition: background var(--transition-fast);
}

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

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--text-tertiary);
  transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: var(--bg-hover);
}

.faq-item .faq-answer {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ===== Mobile sidebar toggle (hidden on desktop) ===== */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: calc(var(--z-header) + 1);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: none;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.sidebar.open+.sidebar-toggle {
  display: none !important;
}

.sidebar-toggle svg {
  width: 20px;
  height: 20px;
}

/* Sidebar overlay (mobile backdrop) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: calc(var(--z-header) - 1);
}

.sidebar-overlay.open {
  display: block;
}