/* ============================================================
   RetirePlusPlus Help Module — Sidebar + Header + Layout
   ============================================================
   Shared CSS for all help/workflow pages.
   Theme: light = default (:root), dark = [data-theme="dark"]
   Zero px units — all values in rem.
   ============================================================ */

/* ---- Theme Variables ---- */
:root,
[data-theme="light"] {
  --sidebar-bg: #f8fafc;
  --sidebar-border: #e2e8f0;
  --sidebar-text: #1e293b;
  --sidebar-link-color: #475569;
  --sidebar-link-hover: #1e40af;
  --sidebar-link-active-bg: rgba(30, 64, 175, 0.08);
  --sidebar-link-active-border: #1e40af;
  --sidebar-title-color: #64748b;
  --sidebar-chevron: #94a3b8;
  --page-bg: #ffffff;
  --page-text: #1e293b;
  --page-text-secondary: #475569;
  --page-text-muted: #94a3b8;
  --page-border: #e2e8f0;
  --page-surface: #f8fafc;
  --page-surface-elevated: #ffffff;
  --page-shadow: 0 0.0625rem 0.1875rem rgba(0, 0, 0, 0.08);
  --page-shadow-md: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.08);
  --page-overlay: rgba(15, 23, 42, 0.5);
  --header-bg: rgba(255, 255, 255, 0.85);
  --header-border: #e2e8f0;
  --header-text: #1e293b;
  --header-link: #475569;
  --header-link-hover: #1e40af;
  --breadcrumb-link: #1e40af;
  --breadcrumb-sep: #cbd5e1;
  --step-badge-from: #1e40af;
  --step-badge-to: #3b82f6;
  --step-badge-text: #ffffff;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --card-hover-bg: #f1f5f9;
  --benefit-icon-bg: rgba(30, 64, 175, 0.1);
  --benefit-icon-color: #1e40af;
  --contact-input-bg: #ffffff;
  --contact-input-border: #e2e8f0;
  --contact-input-text: #1e293b;
}

[data-theme="dark"] {
  --sidebar-bg: #0f172a;
  --sidebar-border: #334155;
  --sidebar-text: #e2e8f0;
  --sidebar-link-color: #94a3b8;
  --sidebar-link-hover: #60a5fa;
  --sidebar-link-active-bg: rgba(59, 130, 246, 0.1);
  --sidebar-link-active-border: #3b82f6;
  --sidebar-title-color: #64748b;
  --sidebar-chevron: #64748b;
  --page-bg: #0f172a;
  --page-text: #e2e8f0;
  --page-text-secondary: #94a3b8;
  --page-text-muted: #64748b;
  --page-border: #334155;
  --page-surface: #1e293b;
  --page-surface-elevated: #273549;
  --page-shadow: 0 0.0625rem 0.1875rem rgba(0, 0, 0, 0.3);
  --page-shadow-md: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.3);
  --page-overlay: rgba(0, 0, 0, 0.6);
  --header-bg: rgba(15, 23, 42, 0.85);
  --header-border: #334155;
  --header-text: #e2e8f0;
  --header-link: #94a3b8;
  --header-link-hover: #60a5fa;
  --breadcrumb-link: #60a5fa;
  --breadcrumb-sep: #475569;
  --step-badge-from: #3b82f6;
  --step-badge-to: #2563eb;
  --step-badge-text: #ffffff;
  --card-bg: #1e293b;
  --card-border: #334155;
  --card-hover-bg: #273549;
  --benefit-icon-bg: rgba(59, 130, 246, 0.15);
  --benefit-icon-color: #60a5fa;
  --contact-input-bg: #1e293b;
  --contact-input-border: #334155;
  --contact-input-text: #e2e8f0;
}

/* ============================================================
   SITE HEADER (.help-site-header)
   ============================================================ */
.help-site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  width: 100%;
}

.help-site-nav {
  background: var(--header-bg);
  backdrop-filter: blur(0.75rem);
  -webkit-backdrop-filter: blur(0.75rem);
  border-bottom: 0.0625rem solid var(--header-border);
}

.help-nav-inner {
  display: flex;
  align-items: center;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
  min-height: 3.5rem;
  gap: 1rem;
}

.help-nav-network-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--header-link);
  cursor: pointer;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border-radius: 0.5rem;
  font-size: 1.125rem;
  transition: color var(--transition-fast, 150ms ease);
  flex-shrink: 0;
}

.help-nav-network-btn:hover {
  color: var(--header-link-hover);
}

.help-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.help-nav-logo {
  font-size: 1.25rem;
  color: var(--retire-primary, #1e40af);
}

.help-nav-brand-text {
  font-size: 1.125rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--retire-primary, #1e40af), var(--retire-secondary, #059669));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.help-nav-links {
  display: none;
  flex: 1;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.help-nav-link {
  display: flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  min-height: 2.75rem;
  color: var(--header-link);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 0.375rem;
  transition: color var(--transition-fast, 150ms ease);
}

.help-nav-link:hover {
  color: var(--header-link-hover);
}

.help-nav-link-active {
  color: var(--retire-primary, #1e40af);
  font-weight: 600;
}

.help-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  flex-shrink: 0;
}

.help-nav-cta {
  display: none;
  align-items: center;
  padding: 0.5rem 1.25rem;
  min-height: 2.75rem;
  background: linear-gradient(135deg, var(--retire-primary, #1e40af), var(--retire-secondary, #059669));
  color: #ffffff;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: opacity var(--transition-fast, 150ms ease);
}

.help-nav-cta:hover {
  opacity: 0.9;
}

.help-nav-mobile-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--header-text);
  cursor: pointer;
  min-width: 2.75rem;
  min-height: 2.75rem;
  font-size: 1.25rem;
  border-radius: 0.5rem;
}

.help-nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--header-bg);
  backdrop-filter: blur(0.75rem);
  -webkit-backdrop-filter: blur(0.75rem);
  border-bottom: 0.0625rem solid var(--header-border);
  padding: 0.5rem 1rem 1rem;
}

.help-nav-mobile-open {
  display: flex;
}

.help-nav-mobile-link {
  display: flex;
  align-items: center;
  padding: 0.625rem 0.75rem;
  min-height: 2.75rem;
  color: var(--header-link);
  text-decoration: none;
  font-size: 1rem;
  border-radius: 0.375rem;
  transition: background var(--transition-fast, 150ms ease);
}

.help-nav-mobile-link:hover {
  background: var(--card-hover-bg);
}

.help-nav-mobile-link-active {
  color: var(--retire-primary, #1e40af);
  font-weight: 600;
}

.help-nav-mobile-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.5rem;
  padding: 0.625rem 1.25rem;
  min-height: 2.75rem;
  background: linear-gradient(135deg, var(--retire-primary, #1e40af), var(--retire-secondary, #059669));
  color: #ffffff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
}

@media (min-width: 48rem) {
  .help-nav-links {
    display: flex;
  }

  .help-nav-cta {
    display: flex;
  }

  .help-nav-mobile-btn {
    display: none;
  }
}

/* ============================================================
   WORKFLOW PAGE LAYOUT
   ============================================================ */
.workflow-page {
  display: flex;
  min-height: 100vh;
  background: var(--page-bg);
  color: var(--page-text);
}

/* ============================================================
   SIDEBAR (.workflow-sidebar)
   ============================================================ */
.workflow-sidebar {
  display: none;
  width: 17.5rem;
  min-width: 17.5rem;
  background: var(--sidebar-bg);
  border-right: 0.0625rem solid var(--sidebar-border);
  padding: 1.25rem 0;
  overflow-y: auto;
  position: sticky;
  top: 3.5rem;
  height: calc(100vh - 3.5rem);
  flex-shrink: 0;
}

.sidebar-title {
  padding: 0 1.25rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sidebar-title-color);
}

/* Category: <details> accordion */
.sidebar-category {
  border-bottom: 0.0625rem solid var(--sidebar-border);
}

.sidebar-category summary {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0 1.25rem;
  min-height: 2.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sidebar-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition-fast, 150ms ease);
}

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

.sidebar-category summary::marker {
  display: none;
  content: '';
}

.sidebar-category summary::before {
  content: '\f054';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.625rem;
  color: var(--sidebar-chevron);
  transition: transform var(--transition-fast, 150ms ease);
  flex-shrink: 0;
  width: 0.75rem;
  text-align: center;
}

.sidebar-category[open] summary::before {
  transform: rotate(90deg);
}

.sidebar-category summary:hover {
  background: var(--sidebar-link-active-bg);
}

.sidebar-category summary i.fa-solid,
.sidebar-category summary i.fas {
  font-size: 0.875rem;
  color: var(--sidebar-link-color);
  width: 1.125rem;
  text-align: center;
  flex-shrink: 0;
}

/* Pages list inside category */
.sidebar-pages {
  list-style: none;
  margin: 0;
  padding: 0 0 0.375rem;
}

.sidebar-pages a {
  display: flex;
  align-items: center;
  padding: 0.375rem 1.25rem 0.375rem 3.25rem;
  min-height: 2.75rem;
  font-size: 0.8125rem;
  color: var(--sidebar-link-color);
  text-decoration: none;
  border-left: 0.1875rem solid transparent;
  transition: all var(--transition-fast, 150ms ease);
}

.sidebar-pages a:hover {
  color: var(--sidebar-link-hover);
  background: var(--sidebar-link-active-bg);
}

.sidebar-pages a.active {
  color: var(--sidebar-link-active-border);
  background: var(--sidebar-link-active-bg);
  border-left-color: var(--sidebar-link-active-border);
  font-weight: 600;
}

/* Sidebar footer */
.sidebar-footer {
  margin-top: 1rem;
  padding: 0.75rem 1.25rem 0;
  border-top: 0.0625rem solid var(--sidebar-border);
}

.sidebar-footer-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0;
  min-height: 2.75rem;
  color: var(--sidebar-link-color);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color var(--transition-fast, 150ms ease);
}

.sidebar-footer-link:hover {
  color: var(--sidebar-link-hover);
}

/* ============================================================
   MAIN CONTENT (.workflow-main)
   ============================================================ */
.workflow-main {
  flex: 1;
  padding: 1.5rem 1rem;
  max-width: 60rem;
  margin: 0 auto;
  width: 100%;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.breadcrumb a {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--breadcrumb-link);
  text-decoration: none;
  transition: opacity var(--transition-fast, 150ms ease);
}

.breadcrumb a:hover {
  opacity: 0.8;
}

.breadcrumb span {
  color: var(--breadcrumb-sep);
}

.breadcrumb span:last-child {
  color: var(--page-text-secondary);
}

/* Page headings */
.workflow-main h1 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--page-text);
  line-height: 1.3;
}

.workflow-desc {
  font-size: 1.0625rem;
  color: var(--page-text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.workflow-main h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  color: var(--page-text);
}

/* SVG Container */
.svg-container {
  background: var(--page-surface);
  border: 0.0625rem solid var(--page-border);
  border-radius: 0.75rem;
  padding: 2rem 1.5rem 1.5rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  box-shadow: var(--page-shadow);
}

.svg-container svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Step-by-step list */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step-counter;
}

.steps li {
  counter-increment: step-counter;
  position: relative;
  padding: 1rem 1rem 1rem 3.5rem;
  margin-bottom: 0.75rem;
  background: var(--page-surface);
  border: 0.0625rem solid var(--page-border);
  border-radius: 0.625rem;
  transition: box-shadow var(--transition-fast, 150ms ease);
}

.steps li:hover {
  box-shadow: var(--page-shadow-md);
}

.steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 1rem;
  top: 1rem;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--step-badge-from), var(--step-badge-to));
  color: var(--step-badge-text);
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 50%;
}

.steps li strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--page-text);
}

.steps li p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--page-text-secondary);
  line-height: 1.65;
}

/* ============================================================
   HELP HUB STYLES
   ============================================================ */

/* Welcome / Hero */
.help-welcome {
  text-align: center;
  padding: 2.5rem 1rem 2rem;
}

.help-welcome h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.help-welcome p {
  font-size: 1.0625rem;
  color: var(--page-text-secondary);
  max-width: 38rem;
  margin: 0 auto;
  line-height: 1.7;
}

/* About / Benefits section */
.help-about-section {
  text-align: center;
  margin-bottom: 2.5rem;
}

.help-about-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.help-about-section > p {
  font-size: 1rem;
  color: var(--page-text-secondary);
  max-width: 36rem;
  margin: 0 auto 1.5rem;
  line-height: 1.65;
}

.help-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.help-benefit-card {
  background: var(--card-bg);
  border: 0.0625rem solid var(--card-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  transition: box-shadow var(--transition-fast, 150ms ease), transform var(--transition-fast, 150ms ease);
}

.help-benefit-card:hover {
  box-shadow: var(--page-shadow-md);
  transform: translateY(-0.125rem);
}

.help-benefit-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: var(--benefit-icon-bg);
  color: var(--benefit-icon-color);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.help-benefit-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
  color: var(--page-text);
}

.help-benefit-card p {
  font-size: 0.875rem;
  color: var(--page-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Getting Started steps (hub) */
.help-steps-section {
  margin-bottom: 2.5rem;
}

.help-steps-section h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* Category cards grid */
.help-categories-section h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.help-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.help-category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--card-bg);
  border: 0.0625rem solid var(--card-border);
  border-radius: 0.75rem;
  text-decoration: none;
  text-align: center;
  transition: box-shadow var(--transition-fast, 150ms ease), transform var(--transition-fast, 150ms ease);
}

.help-category-card:hover {
  box-shadow: var(--page-shadow-md);
  transform: translateY(-0.125rem);
}

.help-category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: var(--benefit-icon-bg);
  color: var(--benefit-icon-color);
  font-size: 1.25rem;
}

.help-category-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--page-text);
  margin: 0;
}

.help-category-card p {
  font-size: 0.8125rem;
  color: var(--page-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ============================================================
   CONTACT SUPPORT FORM
   ============================================================ */
.help-contact-section {
  max-width: 36rem;
  margin: 0 auto 3rem;
  padding: 2rem;
  background: var(--card-bg);
  border: 0.0625rem solid var(--card-border);
  border-radius: 0.75rem;
}

.help-contact-section h2 {
  text-align: center;
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.help-contact-form .form-group {
  margin-bottom: 1rem;
}

.help-contact-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--page-text);
  margin-bottom: 0.375rem;
}

.help-contact-form input,
.help-contact-form select,
.help-contact-form textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  min-height: 2.75rem;
  font-size: 0.9375rem;
  color: var(--contact-input-text);
  background: var(--contact-input-bg);
  border: 0.0625rem solid var(--contact-input-border);
  border-radius: 0.5rem;
  transition: border-color var(--transition-fast, 150ms ease);
  font-family: inherit;
  box-sizing: border-box;
}

.help-contact-form input:focus,
.help-contact-form select:focus,
.help-contact-form textarea:focus {
  outline: none;
  border-color: var(--retire-primary, #1e40af);
  box-shadow: 0 0 0 0.1875rem rgba(30, 64, 175, 0.15);
}

.help-contact-form textarea {
  min-height: 7rem;
  resize: vertical;
}

.help-contact-form .form-privacy {
  font-size: 0.8125rem;
  color: var(--page-text-muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.help-contact-form .form-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.5rem;
  min-height: 2.75rem;
  background: linear-gradient(135deg, var(--retire-primary, #1e40af), var(--retire-secondary, #059669));
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: opacity var(--transition-fast, 150ms ease);
}

.help-contact-form .form-submit-btn:hover {
  opacity: 0.9;
}

.help-contact-form .form-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.help-contact-msg {
  text-align: center;
  padding: 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  margin-top: 1rem;
  display: none;
}

.help-contact-msg.success {
  display: block;
  background: rgba(5, 150, 105, 0.1);
  color: #059669;
  border: 0.0625rem solid rgba(5, 150, 105, 0.25);
}

.help-contact-msg.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 0.0625rem solid rgba(239, 68, 68, 0.25);
}

/* Honeypot */
.help-contact-form .hp-field {
  position: absolute;
  left: -62.5rem;
  top: -62.5rem;
  opacity: 0;
  pointer-events: none;
  tab-index: -1;
}

/* ============================================================
   FAQ ACCORDION (native <details>/<summary>)
   ============================================================ */
.faq-section {
  margin-bottom: 2.5rem;
}

.faq-section h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--page-text);
}

.faq-item {
  border: 0.0625rem solid var(--page-border);
  border-radius: 0.625rem;
  margin-bottom: 0.625rem;
  overflow: hidden;
  transition: background var(--transition-fast, 150ms ease), border-color var(--transition-fast, 150ms ease);
}

.faq-item[open] {
  background: rgba(30, 64, 175, 0.04);
  border-color: rgba(30, 64, 175, 0.2);
}

[data-theme="dark"] .faq-item[open] {
  background: rgba(59, 130, 246, 0.06);
  border-color: rgba(59, 130, 246, 0.2);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  min-height: 2.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--page-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.faq-item summary::marker {
  display: none;
  content: '';
}

.faq-item summary::before {
  content: '\f054';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.625rem;
  color: var(--sidebar-chevron);
  transition: transform var(--transition-fast, 150ms ease);
  flex-shrink: 0;
  width: 0.75rem;
  text-align: center;
}

.faq-item[open] summary::before {
  transform: rotate(90deg);
}

.faq-item .faq-answer {
  padding: 0 1.25rem 1rem 2.75rem;
  font-size: 0.9375rem;
  color: var(--page-text-secondary);
  line-height: 1.65;
}

/* ============================================================
   MOBILE SIDEBAR TOGGLE
   ============================================================ */
.sidebar-toggle {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  min-height: 2.75rem;
  background: linear-gradient(135deg, var(--retire-primary, #1e40af), var(--retire-secondary, #059669));
  color: #ffffff;
  border: none;
  border-radius: 50%;
  font-size: 1.125rem;
  cursor: pointer;
  box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-fast, 150ms ease);
}

.sidebar-toggle:hover {
  transform: scale(1.05);
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--page-overlay);
}

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

.workflow-sidebar.open {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  height: 100vh;
  box-shadow: 0.25rem 0 1rem rgba(0, 0, 0, 0.3);
}

/* ============================================================
   THEME TOGGLE (floating, for help pages without navbar)
   ============================================================ */
.help-theme-toggle {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  min-height: 2.75rem;
  background: var(--page-surface-elevated);
  border: 0.0625rem solid var(--page-border);
  color: var(--page-text);
  border-radius: 50%;
  font-size: 1.125rem;
  cursor: pointer;
  box-shadow: var(--page-shadow-md);
  transition: transform var(--transition-fast, 150ms ease);
}

.help-theme-toggle:hover {
  transform: scale(1.05);
}

/* ============================================================
   SCREEN READER ONLY
   ============================================================ */
.sr-only {
  position: absolute;
  width: 0.0625rem;
  height: 0.0625rem;
  padding: 0;
  margin: -0.0625rem;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only:focus,
.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--retire-primary, #1e40af);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.375rem;
  z-index: 999;
}

/* ============================================================
   DESKTOP RESPONSIVE
   ============================================================ */
@media (min-width: 48rem) {
  .workflow-sidebar {
    display: block;
  }

  .sidebar-toggle {
    display: none;
  }

  .workflow-main {
    padding: 2rem 2.5rem;
  }

  .help-welcome h1 {
    font-size: 2.5rem;
  }
}