/*
Theme Name: AE Knowledge Base
Theme URI: https://example.com
Author: AE
Description: Vercel Knowledge Base–inspired theme with clean header, hover animations, and article-style post layout.
Version: 1.1
License: GNU General Public License v2 or later
Text Domain: ae-kb
*/

@font-face {
  font-family: "Brandon Text";
  src: url("assets/fonts/plus-jakarta-sans/BrandonText-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Brandon Text";
  src: url("assets/fonts/plus-jakarta-sans/Brandon-Text-Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   Design tokens (Vercel-like)
   ========================================================================== */
:root {
  --color-bg: #ffffff;
  --color-bg-subtle: #fafafa;
  --color-border: #e5e5e5;
  --color-border-strong: #d4d4d4;
  --color-text: #171717;
  --color-heading: #20124d;
  --color-text-muted: #737373;
  --color-text-faint: #a3a3a3;
  --color-accent: #4f46e5;
  --color-accent-hover: #4338ca;
  --color-hover-bg: #f5f5f5;
  --font-sans: "Brandon Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-sans-bold: "Brandon Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, monospace;
  /* Typography – 20px base; all sizes in rem so they scale with body */
  --font-size-body: 1rem;    /* 20px via html font-size */
  --font-size-sm: 0.895rem;  /* ~18px */
  --font-size-xs: 0.79rem;   /* ~16px */
  --font-size-lg: 1.105rem;  /* ~22px, lead/intro */
  --font-size-h1: 2rem;      /* 40px */
  --font-size-h2: 1.5rem;    /* 30px */
  --font-size-h3: 1.25rem;   /* 25px */
  --font-size-h4: 1.125rem;  /* 22.5px */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-body: 1.65;
  --line-height-tight: 1.4;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --header-height: 56px;
  --content-max: 720px;
  --content-wide: 1120px;
  --ae-hl-green: #04a56a;
  --ae-hl-dark-blue: #0652ca;
  --ae-hl-light-blue: #0696ca;
  --ae-hl-purple: #8f06ca;
  --ae-hl-red: #ca0606;
  --ae-hl-os-blue: #4f46e5;
  --ae-hl-yellow: #bfc200;
  --ae-hl-orange: #e6a900;
}

/* Base font size: 20px. All rem-based typography scales from this. */
html {
  font-size: 20px;
  scroll-behavior: smooth;
}

/* Offset anchor targets so they sit below the sticky header (and admin bar when present) */
[id] {
  scroll-margin-top: calc(var(--header-height) + 0.5rem);
}
.admin-bar [id] {
  scroll-margin-top: calc(32px + var(--header-height) + 0.5rem);
}
@media screen and (max-width: 782px) {
  .admin-bar [id] {
    scroll-margin-top: calc(46px + var(--header-height) + 0.5rem);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0a0a0a;
    --color-bg-subtle: #141414;
    --color-border: #262626;
    --color-border-strong: #404040;
    --color-text: #fafafa;
    --color-text-muted: #a3a3a3;
    --color-text-faint: #737373;
    --color-accent: #3291ff;
    --color-accent-hover: #5ba3ff;
    --color-hover-bg: #262626;
  }
}

/* ==========================================================================
   Base
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

strong,
b {
  font-family: var(--font-sans-bold);
  font-weight: var(--font-weight-bold);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-sans-bold);
}

em,
i {
  font-style: italic;
  font-family: var(--font-sans);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-accent-hover);
}

/* ==========================================================================
   Header (Vercel KB style)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--color-border);
  /* Solid bar — avoid backdrop-filter on an ancestor of .main-navigation: it creates a
     containing block so position:fixed mobile drawer is clipped to header height (~56px). */
  background: rgba(255, 255, 255, 0.92);
}

/* Stick below WordPress admin bar when logged in */
.admin-bar .site-header {
  top: 32px;
}
@media screen and (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(10, 10, 10, 0.92);
  }
}

.site-header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
}

/* Logo + menu button — blur only here so it does not wrap the nav (fixed panel stays viewport-sized). */
.site-header-start {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-width: 0;
  padding: 4px 8px 4px 0;
  margin: -4px 0;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: saturate(180%) blur(12px);
}

@media (prefers-color-scheme: dark) {
  .site-header-start {
    background: rgba(10, 10, 10, 0.5);
  }
}

@media (min-width: 961px) {
  .site-header-start {
    flex: 0 0 auto;
    width: auto;
  }
}

/* Mobile menu toggle (hidden on large screens) */
.nav-menu-toggle {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0;
  margin-left: auto;
  padding: 0;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}
.nav-menu-toggle:hover {
  background: var(--color-hover-bg);
}
.nav-menu-toggle-bars,
.nav-menu-toggle-bars::before,
.nav-menu-toggle-bars::after {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-menu-toggle-bars {
  position: relative;
}
.nav-menu-toggle-bars::before,
.nav-menu-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-menu-toggle-bars::before {
  top: -7px;
}
.nav-menu-toggle-bars::after {
  top: 7px;
}
.site-header.is-menu-open .nav-menu-toggle-bars {
  background: transparent;
}
.site-header.is-menu-open .nav-menu-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}
.site-header.is-menu-open .nav-menu-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-menu-backdrop {
  display: none;
}

/* Top-level row: link + mobile submenu toggle (desktop: layout unchanged) */
.nav-item-row {
  display: contents;
}

/* Submenu toggle: touch target on phones/tablets only */
.nav-dropdown-toggle {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 48px;
  min-height: 48px;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.nav-dropdown-toggle:hover {
  background: var(--color-hover-bg);
  color: var(--color-text);
}
.nav-dropdown-toggle-icon {
  display: block;
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition-fast);
}
.nav-item.is-open .nav-dropdown-toggle-icon {
  transform: rotate(-135deg) translateY(2px);
}

/* Logo */
.site-branding a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-heading) !important;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
}
.site-branding a:hover {
  color: var(--color-heading) !important;
  opacity: 0.85;
}

/* Main nav */
.main-navigation {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

/* Only the top-level menu bar (not dropdown lists) */
.main-navigation > ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.main-navigation .nav-item {
  position: relative;
}

/* Nav link – pill hover (Vercel-style) */
.main-navigation .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.main-navigation .nav-link:hover,
.main-navigation .nav-item.is-open > .nav-link {
  color: var(--color-heading);
  background: var(--color-hover-bg);
}

.main-navigation .nav-link.has-dropdown::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 4px;
  background-color: currentColor;
  mask: url('assets/images/nav-arrow-up.svg') center / contain no-repeat;
  -webkit-mask: url('assets/images/nav-arrow-up.svg') center / contain no-repeat;
  opacity: 0.7;
  transform: rotate(180deg); /* down when closed */
  transition: transform var(--transition-fast);
}

.main-navigation .nav-item.is-open .nav-link.has-dropdown::after {
  transform: rotate(0deg); /* up when open */
}

/* Dropdown panel – 3 columns, multiple rows, expands to fit */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 420px;
  max-width: 760px;
  margin-top: 9px;
  padding: 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.15), 0 0 0 1px var(--color-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  overflow: hidden;
}

@media (prefers-color-scheme: dark) {
  .nav-dropdown {
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--color-border);
  }
}

@media (min-width: 961px) {
  .main-navigation .nav-item.is-open .nav-dropdown,
  .main-navigation .nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* Slide-in animation when moving between dropdowns */
.nav-dropdown.slide-from-left .nav-dropdown-list {
  animation: ae-kb-slide-from-left 0.16s ease-out;
}
.nav-dropdown.slide-from-right .nav-dropdown-list {
  animation: ae-kb-slide-from-right 0.16s ease-out;
}

@keyframes ae-kb-slide-from-left {
  from {
    transform: translateX(-48px);
    opacity: 0.4;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes ae-kb-slide-from-right {
  from {
    transform: translateX(48px);
    opacity: 0.4;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Dropdown list: 3 columns, multiple rows (must override .main-navigation ul) */
.nav-dropdown .nav-dropdown-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid !important;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 6px 12px;
}

.nav-dropdown-item {
  margin: 0;
  min-width: 0;
}

/* Each item: icon (left) + title + description, box-style hover */
.nav-dropdown-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  margin: 0 -12px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}
.nav-dropdown-link:hover {
  background: var(--color-hover-bg);
  color: inherit;
}

.nav-dropdown-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-subtle);
  border: 1px solid #f2f2f2;
  border-radius: 10px;
  color: var(--color-text-muted);
}
.nav-dropdown-icon .nav-dropdown-icon-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  vertical-align: middle;
}
.nav-dropdown-link:hover .nav-dropdown-icon {
  background: var(--color-border);
  color: var(--color-text);
}

.nav-dropdown-content {
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
  white-space: normal;
}

.nav-dropdown-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  overflow-wrap: break-word;
  word-wrap: break-word;
  white-space: normal;
}
.nav-dropdown-link:hover .nav-dropdown-title {
  color: var(--color-text);
}

.nav-dropdown-desc {
  display: block;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-top: 2px;
}
.nav-dropdown-link:hover .nav-dropdown-desc {
  color: var(--color-text-faint);
}

/* Login link – right side */
.main-navigation .nav-item-login {
  margin-left: auto;
}
.main-navigation .nav-item-login .nav-link {
  color: var(--color-text);
}
.main-navigation .nav-item-login .nav-link:hover {
  background: var(--color-hover-bg);
}

/* Account + logout in one row (fallback menu) */
.nav-item-login {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

/* --------------------------------------------------------------------------
   Header navigation — tablets & phones (≤960px)
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .site-header {
    padding: 0 16px;
  }

  .site-header-inner {
    gap: 12px;
  }

  .site-header-start {
    flex: 1;
    min-width: 0;
    width: 100%;
  }

  .site-branding {
    flex: 1;
    min-width: 0;
  }

  .nav-menu-toggle {
    display: inline-flex;
    flex-shrink: 0;
    margin-left: auto;
  }

  .main-navigation {
    order: 3;
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: auto;
    display: flex;
    flex-direction: column;
    width: min(100vw - 12px, 400px);
    max-width: 100%;
    min-height: calc(100vh - var(--header-height));
    min-height: calc(100dvh - var(--header-height));
    flex: none;
    align-items: stretch;
    margin: 0;
    padding: 0 0 max(24px, env(safe-area-inset-bottom));
    background: var(--color-bg);
    border: 1px solid #ebebeb;
    border-right: none;
    border-radius: 14px 0 0 14px;
    box-shadow: -4px 0 40px rgba(0, 0, 0, 0.08), -1px 0 0 rgba(0, 0, 0, 0.04);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 101;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1), visibility 0.3s ease;
  }

  .admin-bar .main-navigation {
    top: calc(32px + var(--header-height));
    min-height: calc(100vh - 32px - var(--header-height));
    min-height: calc(100dvh - 32px - var(--header-height));
  }

  @media screen and (max-width: 782px) {
    .admin-bar .main-navigation {
      top: calc(46px + var(--header-height));
      min-height: calc(100vh - 46px - var(--header-height));
      min-height: calc(100dvh - 46px - var(--header-height));
    }
  }

  .site-header.is-menu-open .main-navigation {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-menu-backdrop {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
    pointer-events: none;
  }

  .admin-bar .nav-menu-backdrop {
    top: calc(32px + var(--header-height));
  }

  @media screen and (max-width: 782px) {
    .admin-bar .nav-menu-backdrop {
      top: calc(46px + var(--header-height));
    }
  }

  .site-header.is-menu-open .nav-menu-backdrop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .main-navigation > ul {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
    margin: 0;
    padding: 16px 12px 8px;
    list-style: none;
  }

  .main-navigation .nav-item {
    width: 100%;
    border: none;
  }

  .nav-item-row {
    display: flex;
    align-items: stretch;
    width: 100%;
    min-width: 0;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
  }

  .nav-item-row:hover {
    background: var(--color-hover-bg);
  }

  .main-navigation .nav-item-row .nav-link {
    flex: 1;
    min-width: 0;
    border-radius: var(--radius-md);
    padding: 16px 12px 16px 16px;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    background: transparent;
  }

  .main-navigation .nav-item-row .nav-link:hover {
    background: transparent;
    color: var(--color-text);
  }

  /* Top-level links without a row wrapper (e.g. Account) */
  .main-navigation .nav-item:not(.has-dropdown) > .nav-link {
    display: flex;
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--radius-md);
    padding: 16px 16px;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    background: transparent;
  }

  .main-navigation .nav-item:not(.has-dropdown) > .nav-link:hover {
    background: var(--color-hover-bg);
    color: var(--color-text);
  }

  .main-navigation .nav-item-row .nav-link.has-dropdown::after {
    display: none;
  }

  .nav-dropdown-toggle {
    display: inline-flex;
    align-self: center;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-md);
    width: 48px;
    min-height: 48px;
    margin-right: 4px;
    color: var(--color-text-muted);
    background: transparent;
  }

  .nav-dropdown-toggle:hover {
    background: transparent;
    color: var(--color-text);
  }

  /* Auth block: pin to bottom with a light rule (reference) */
  .main-navigation > ul > li.nav-item-login {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
  }

  .main-navigation > ul > li.nav-item-account {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
  }

  .main-navigation > ul > li.nav-item-account + li.nav-item-login {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }

  .main-navigation .nav-item-login {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
  }

  .main-navigation .nav-item-login .nav-link {
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-weight: var(--font-weight-bold);
  }

  .main-navigation .nav-item-account .nav-link {
    font-weight: var(--font-weight-bold);
  }

  /* Dropdowns: inline accordion, not hover flyout */
  .main-navigation .nav-dropdown {
    position: static;
    min-width: 0;
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 0 8px 12px 16px;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    opacity: 1;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transform: none;
    transition: max-height 0.35s ease, visibility 0.35s ease, padding 0.35s ease;
  }

  .main-navigation .nav-item.is-open .nav-dropdown {
    visibility: visible;
    max-height: min(85vh, 2400px);
    padding-top: 4px;
    padding-bottom: 12px;
    overflow-y: auto;
  }

  .nav-dropdown .nav-dropdown-list {
    grid-template-columns: 1fr !important;
    gap: 2px;
  }

  .nav-dropdown-link {
    margin: 0;
    padding: 12px 12px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
  }

  @media (prefers-color-scheme: dark) {
    .main-navigation {
      border-color: var(--color-border);
      box-shadow: -4px 0 48px rgba(0, 0, 0, 0.35);
    }

    .main-navigation > ul > li.nav-item-login,
    .main-navigation > ul > li.nav-item-account {
      border-top-color: var(--color-border);
    }
  }

  /* Phone: full-width panel below the header (after dark rules so shadow stays off) */
  @media screen and (max-width: 600px) {
    .main-navigation {
      left: 0;
      right: 0;
      width: 100%;
      max-width: none;
      border-radius: 0;
      border: none;
      border-top: 1px solid var(--color-border);
      box-shadow: none;
    }

    .main-navigation > ul {
      padding-left: max(16px, env(safe-area-inset-left, 0px));
      padding-right: max(16px, env(safe-area-inset-right, 0px));
    }
  }
}

body.is-menu-open {
  overflow: hidden;
}

@media (min-width: 961px) {
  body.is-menu-open {
    overflow: visible;
  }
}

/* ==========================================================================
   Layout
   ========================================================================== */
.site-main {
  min-height: 60vh;
  padding: 48px 24px 80px;
}

/* Full-width portal template */
body.page-template-template-membership-portal .site-main {
  padding: 0;
}

body.page-template-template-membership-portal .ae-membership-portal-template {
  width: 100%;
  margin: 0;
  padding: 0;
}

.content-area {
  max-width: var(--content-wide);
  margin: 0 auto;
}

/* ==========================================================================
   404 page (centered, doc-style link list)
   ========================================================================== */
.error-404-page {
  --error-404-accent: #4f46e5;
  --error-404-accent-hover: #4338ca;
  --error-404-icon-bg: #f4f4f5;
  max-width: 520px;
  margin: 0 auto;
  padding: 32px 24px 96px;
}

@media (prefers-color-scheme: dark) {
  .error-404-page {
    --error-404-accent: #818cf8;
    --error-404-accent-hover: #a5b4fc;
    --error-404-icon-bg: #27272a;
  }
}

.error-404-inner {
  text-align: center;
}

.error-404-label {
  margin: 0 0 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  color: var(--error-404-accent);
}

.error-404-title {
  margin: 0 0 12px;
  font-size: clamp(1.65rem, 4.5vw, 2.125rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.error-404-lead {
  margin: 0 auto 40px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-tight);
  max-width: 36em;
}

.error-404-links {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
}

.error-404-links li {
  margin: 0;
}

.error-404-links li:last-child {
  border-bottom: none;
}

.error-404-link-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 12px;
  margin: 0 -12px;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.error-404-link-row:hover {
  background: var(--color-hover-bg);
}

.error-404-link-row:focus-visible {
  outline: 2px solid var(--error-404-accent);
  outline-offset: 2px;
}

.error-404-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--error-404-icon-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--error-404-accent);
}

.error-404-icon svg {
  display: block;
}

.error-404-link-body {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.error-404-link-title {
  display: block;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-body);
  color: var(--color-text);
  margin-bottom: 4px;
}

.error-404-link-desc {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.45;
}

.error-404-chevron {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  color: var(--color-text-faint);
  transition: color var(--transition-fast);
}

.error-404-link-row:hover .error-404-chevron {
  color: var(--color-text-muted);
}

.error-404-footer {
  margin: 48px 0 0;
}

.error-404-home-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--error-404-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.error-404-home-link:hover {
  color: var(--error-404-accent-hover);
  text-decoration: underline;
}

/* ==========================================================================
   Homepage hero
   ========================================================================== */
.home-hero {
  text-align: center;
  padding: 64px 24px 80px;
  background: var(--color-bg);
}
.home-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}
.home-hero-title {
  margin: 0 0 24px;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-heading);
}
.home-hero-subtitle {
  margin: 0 0 40px;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-body);
  color: var(--color-text-muted);
}
.home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.home-hero-btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.home-hero-btn-primary {
  background: #1a1a1a;
  color: #fff;
}
.home-hero-btn-primary:hover {
  background: #333;
  color: #fff;
}
.home-hero-btn-secondary {
  background: var(--color-bg-subtle);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.home-hero-btn-secondary:hover {
  background: var(--color-hover-bg);
  color: var(--color-text);
}

@media (prefers-color-scheme: dark) {
  .home-hero-btn-primary {
    background: #fafafa;
    color: #0a0a0a;
  }
  .home-hero-btn-primary:hover {
    background: #e5e5e5;
    color: #0a0a0a;
  }
}

.home-bento-stack {
  max-width: var(--content-wide);
  margin: 0 auto 80px;
  padding: 0 24px;
  display: grid;
  gap: 24px;
}
.home-topic-bento {
  border-radius: 24px;
  border: 1px solid rgba(23, 23, 23, 0.08);
  padding: 22px;
}
.home-topic-bento-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  align-items: end;
  margin-bottom: 16px;
}
.home-topic-bento-kicker {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: #363636;
}
.home-topic-bento-title {
  margin: 0;
  font-size: clamp(1.1rem, 2.1vw, 1.35rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  grid-column: 1;
}
.home-topic-bento-view-all {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  justify-self: end;
  padding: 9px 13px;
  border: 1px solid rgba(23, 23, 23, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: #212121;
  text-decoration: none;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}
.home-topic-bento-view-all:hover {
  background: rgba(255, 255, 255, 0.92);
  color: #111;
}
.home-topic-bento-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 14px;
}
.home-topic-bento-card {
  display: flex;
  flex-direction: column;
  min-height: 164px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(23, 23, 23, 0.08);
  background: rgba(255, 255, 255, 0.62);
  color: #1f1f1f;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.home-topic-bento-card.is-feature {
  grid-row: span 2;
  min-height: 340px;
}
.home-topic-bento-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(20, 20, 20, 0.08);
  color: #1f1f1f;
}
.home-topic-bento-card-label {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}
.home-topic-bento-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  line-height: 1.25;
}
.home-topic-bento-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.6;
  color: #2f2f2f;
}
.home-topic-bento-new-starter {
  background: linear-gradient(145deg, #f4f1fd 0%, #efe8ff 100%);
}
.home-topic-bento-theory {
  background: linear-gradient(145deg, #f0faff 0%, #e8f7ff 100%);
}
.home-topic-bento-clinical {
  background: linear-gradient(145deg, #eefbf4 0%, #e5f8ef 100%);
}

@media (max-width: 860px) {
  .home-topic-bento {
    padding: 18px;
  }
  .home-topic-bento-head {
    grid-template-columns: 1fr;
  }
  .home-topic-bento-view-all {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
    margin-top: 4px;
  }
  .home-topic-bento-grid {
    grid-template-columns: 1fr;
  }
  .home-topic-bento-card,
  .home-topic-bento-card.is-feature {
    min-height: 0;
    grid-row: auto;
  }
}

/* ==========================================================================
   KB-style article / single post
   ========================================================================== */
.article-outer {
  max-width: var(--content-max);
  margin: 0 auto;
}

/* Breadcrumb */
.article-breadcrumb {
  margin-bottom: 16px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}
.article-breadcrumb a {
  color: var(--color-text-muted);
}
.article-breadcrumb a:hover {
  color: var(--color-text);
}
.article-breadcrumb span {
  margin: 0 6px;
  color: var(--color-text-faint);
}

/* Article header */
.article-header {
  margin-bottom: 32px;
}

.article-title {
  margin: 0 0 12px;
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  color: var(--color-heading);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Article content (prose) */
.article-content {
  font-size: var(--font-size-body);
  line-height: 1.75;
}
.article-content > .alignwide {
  width: var(--content-wide);
  max-width: none;
  margin-left: calc(50% - var(--content-wide) / 2);
  margin-right: calc(50% - var(--content-wide) / 2);
}
.article-content > .alignfull {
  width: calc(100vw - 32px);
  max-width: none;
  margin-left: calc(50% - (100vw - 32px) / 2);
  margin-right: calc(50% - (100vw - 32px) / 2);
}
@media (max-width: 1120px) {
  .article-content > .alignwide {
    width: calc(100vw - 32px);
    max-width: none;
    margin-left: calc(50% - (100vw - 32px) / 2);
    margin-right: calc(50% - (100vw - 32px) / 2);
  }
}
.article-content > .alignwide.wp-block-table,
.article-content > .alignfull.wp-block-table {
  overflow-x: auto;
}
.article-content .wp-block-table {
  margin-top: 1.25em;
  margin-bottom: 1.25em;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.article-content .wp-block-table table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}
.article-content .wp-block-table th,
.article-content .wp-block-table td {
  padding: 10px 12px;
  vertical-align: top;
  word-break: normal;
}
@media (max-width: 768px) {
  .article-content .wp-block-table table {
    min-width: 560px;
    font-size: 0.9rem;
  }
  .article-content .wp-block-table th,
  .article-content .wp-block-table td {
    padding: 8px 10px;
  }
}
.article-content h2 {
  margin: 2em 0 0.3em;
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
}
.article-content h3 {
  margin: 1.75em 0 0.5em;
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
}
.article-content p {
  margin: 0 0 1em;
}
.has-green-color { color: var(--ae-hl-green) !important; }
.has-dark-blue-color { color: var(--ae-hl-dark-blue) !important; }
.has-light-blue-color { color: var(--ae-hl-light-blue) !important; }
.has-purple-color { color: var(--ae-hl-purple) !important; }
.has-red-color { color: var(--ae-hl-red) !important; }
.has-os-blue-color { color: var(--ae-hl-os-blue) !important; }
.has-yellow-color { color: var(--ae-hl-yellow) !important; }
.has-orange-color { color: var(--ae-hl-orange) !important; }

.has-green-background-color { background-color: var(--ae-hl-green) !important; }
.has-dark-blue-background-color { background-color: var(--ae-hl-dark-blue) !important; }
.has-light-blue-background-color { background-color: var(--ae-hl-light-blue) !important; }
.has-purple-background-color { background-color: var(--ae-hl-purple) !important; }
.has-red-background-color { background-color: var(--ae-hl-red) !important; }
.has-os-blue-background-color { background-color: var(--ae-hl-os-blue) !important; }
.has-yellow-background-color { background-color: var(--ae-hl-yellow) !important; }
.has-orange-background-color { background-color: var(--ae-hl-orange) !important; }

mark.has-inline-color {
  /* Use the same text color as a subtle highlight tint. */
  background-color: rgb(from currentColor r g b / 0.1) !important;
  border-radius: 3px;
  padding-left: 3px;
  padding-right: 3px;
}
.article-content ul,
.article-content ol {
  margin: 0 0 0em;
  padding-left: 1.5em;
}
.article-content li {
  margin-bottom: 0.0em;
}
.article-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.2em 0.4em;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
.article-content pre {
  margin: 1.5em 0;
  padding: 16px;
  overflow-x: auto;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}
.article-content pre code {
  padding: 0;
  background: none;
  border: none;
}
.article-content blockquote {
  margin: 1.5em 0;
  padding-left: 1em;
  border-left: 3px solid var(--color-border-strong);
  color: var(--color-text-muted);
}

/* Article actions (Copy URL, Ask AI – Vercel-style bar) */
.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  margin: 32px 0;
  padding: 14px;
  background: #4f46e5;
  border-radius: 17px;
  font-size: var(--font-size-sm);
}

.article-actions a,
.article-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 220px;
  gap: 6px;
  padding: 10px 16px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 17px;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.article-actions a:hover,
.article-actions button:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.24);
  border-color: rgba(255, 255, 255, 0.6);
}

/* Comments (below article actions) */
.article-comments {
  margin: 28px 0 40px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-subtle);
}

.article-comments-title {
  margin: 0 0 16px;
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.article-comments-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.article-comments-list .comment {
  margin: 0 0 12px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.article-comments-list .comment-meta {
  margin-bottom: 8px;
  font-size: var(--font-size-sm);
}

.article-comments-list .comment-author .fn {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.article-comments-list .comment-author.vcard {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.article-comment-grade {
  display: inline-block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 2px 8px;
  line-height: 1.2;
}

.article-comment-extra {
  color: #0f766e;
  border-color: #99f6e4;
  background: #f0fdfa;
}

.article-comments-list .comment-metadata a {
  color: var(--color-text-muted);
}

.article-comments-list .comment-content p {
  margin: 0 0 0.5em;
}

.article-comments-login,
.article-comments-closed {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.article-comment-form {
  margin-top: 12px;
}

.article-comment-form .comment-reply-title {
  margin: 0 0 10px;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
}

.article-comment-form p {
  margin: 0 0 12px;
}

.article-comment-form label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.article-comment-form textarea,
.article-comment-form input[type="text"],
.article-comment-form input[type="email"],
.article-comment-form input[type="url"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
}

.article-comment-form textarea:focus,
.article-comment-form input[type="text"]:focus,
.article-comment-form input[type="email"]:focus,
.article-comment-form input[type="url"]:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.12);
}

.article-comment-submit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  font-family: 'Brandon Text';
}

.article-comment-submit:hover {
  background: var(--color-hover-bg);
  border-color: var(--color-border-strong);
}

/* Related / Explore sections (cards like Vercel KB) */
.article-related {
  margin-top: 48px;
}

.article-related h3 {
  margin: 0 0 16px;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.related-card {
  display: block;
  padding: 20px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.related-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}
.related-card strong {
  display: block;
  margin-bottom: 4px;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}
.related-card span {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Index / blog listing (KB-style card list)
   ========================================================================== */
.posts-page-header {
  max-width: var(--content-max);
  margin: 0 auto 40px;
}

.posts-page-title {
  margin: 0 0 8px;
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  color: var(--color-heading);
}

.posts-list {
  max-width: var(--content-max);
  margin: 0 auto;
  list-style: none;
  padding: 0;
}

.posts-list .post-card {
  display: block;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}
.posts-list .post-card:hover {
  background: var(--color-bg-subtle);
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
  border-radius: var(--radius-md);
}

.post-card-title {
  margin: 0 0 8px;
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}
.post-card:hover .post-card-title {
  color: var(--color-accent);
}
.post-card-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}
.post-card-excerpt {
  margin: 8px 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Theory archive (main category → subcategories → posts)
   ========================================================================== */
.theory-by-category {
  max-width: var(--content-max);
  margin: 0 auto;
}

.theory-main-section {
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
}
.theory-main-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* Clinical/theory/new-starter: section as module card */
.theory-main-section.clinical-main-section {
  border: none;
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 32px;
  padding-bottom: 40px;
  border-bottom: none;
  box-shadow: none;
  background: var(--clinical-section-bg, #f4f1fd);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.theory-main-section.clinical-main-section:hover {
  border-color: #eadde7;
}
.theory-main-section.clinical-main-section:last-child {
  margin-bottom: 0;
}

.clinical-main-section-inner {
  background: #ffffff;
  border-radius: 16px;
  padding: 24px;
  border: none;
}

@media (prefers-color-scheme: dark) {
  .theory-main-section.clinical-main-section {
    box-shadow: none;
  }
  .theory-main-section.clinical-main-section:hover {
    box-shadow: none;
  }
  .clinical-main-section-inner {
    background: var(--color-bg);
    border: none;
  }
}

.theory-main-category-title {
  margin: 0 0 24px;
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  letter-spacing: -0.02em;
}

/* ==========================================================================
   Clinical archive: floating side nav + left scroll progress
   ========================================================================== */
.content-area.has-clinical-float-nav {
  padding-right: 220px;
}

/* Left-side scroll progress bar */
.clinical-scroll-progress {
  position: fixed;
  left: 0;
  top: 0;
  width: 4px;
  height: 100vh;
  height: 100dvh;
  z-index: 40;
  background: var(--color-border);
}
.clinical-scroll-progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 0;
  background: var(--color-accent);
  transition: height 0.12s ease-out;
}
@media (max-width: 1200px) {
  .clinical-scroll-progress {
    width: 3px;
  }
}
@media (max-width: 1200px) {
  .content-area.has-clinical-float-nav {
    padding-right: 0;
  }
}

.clinical-float-nav {
  position: fixed;
  right: max(12px, calc((100vw - var(--content-wide)) / 2 + 12px));
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  width: 200px;
  max-height: min(80vh, 560px);
  overflow-y: auto;
  padding: 16px 0;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgb(235 235 235);
  box-shadow: none;
}

/* Single post: keep nav far right and keep wide blocks clear of it */
@media (min-width: 1201px) {
  body.single .content-area.has-clinical-float-nav {
    display: block;
    padding-right: 0;
  }
  body.single .content-area.has-clinical-float-nav > .clinical-float-nav {
    position: fixed;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    width: 200px;
    margin: 0;
  }
  /* Reserve right gutter (nav width + gap) so wide/full blocks never go under nav. */
  body.single .content-area.has-clinical-float-nav .article-content .alignwide {
    width: min(var(--content-wide), calc(100vw - 256px)) !important;
    max-width: none !important;
    margin-left: calc(50% - min(var(--content-wide), calc(100vw - 256px)) / 2) !important;
    margin-right: calc(50% - min(var(--content-wide), calc(100vw - 256px)) / 2) !important;
  }
  body.single .content-area.has-clinical-float-nav .article-content .alignfull {
    width: calc(100vw - 256px) !important;
    max-width: none !important;
    margin-left: calc(50% - (100vw - 256px) / 2) !important;
    margin-right: calc(50% - (100vw - 256px) / 2) !important;
  }
}
@media (max-width: 1200px) {
  .clinical-float-nav {
    right: auto;
    left: 50%;
    top: auto;
    bottom: 20px;
    transform: translateX(-50%);
    width: auto;
    max-width: calc(100vw - 32px);
    max-height: 180px;
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
  }
  .clinical-float-nav-inner {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 156px;
    overflow-y: auto;
  }
  .clinical-float-nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    justify-content: center;
  }
  .clinical-float-nav-list li {
    margin: 0;
  }
  .clinical-float-nav-link {
    padding: 6px 12px !important;
    font-size: 13px !important;
    border-radius: 20px !important;
    background: var(--color-bg-subtle) !important;
    white-space: nowrap;
  }
  .clinical-float-nav-link:hover {
    background: var(--color-hover-bg) !important;
  }
}

.clinical-float-nav-inner {
  padding: 0 4px;
}
.clinical-float-nav-label {
  display: block;
  padding: 0 12px 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.clinical-float-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.clinical-float-nav-list li {
  margin: 0 0 2px;
}
.clinical-float-nav-link {
  display: block;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
  text-decoration: none;
  border-radius: 10px;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.clinical-float-nav-link:hover {
  background: var(--color-hover-bg);
  color: var(--color-accent);
}
.clinical-float-nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.clinical-float-nav-link.is-active {
  background: var(--clinical-section-bg, var(--color-accent)) !important;
  color: #ffffff !important;
}
.clinical-float-nav-link.is-active:hover {
  background: var(--clinical-section-bg, var(--color-accent)) !important;
  color: #ffffff !important;
}

@media (prefers-color-scheme: dark) {
  .clinical-float-nav {
    background: rgba(20, 20, 20, 0.8);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
}

.theory-subcategory-block {
  margin-bottom: 24px;
}
.theory-subcategory-block:last-child {
  margin-bottom: 0;
}

/* Accordion: card style (white, rounded, shadow), title left, chevron right */
.theory-accordion {
  margin-bottom: 20px;
  background: #fafafa;
  border: none;
  border-radius: 20px;
  overflow: hidden;
}
.theory-accordion:last-child {
  margin-bottom: 0;
}

.theory-accordion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  background: #fafafa;
  cursor: pointer;
  list-style: none;
  transition: background var(--transition-fast);
  user-select: none;
  -webkit-user-select: none;
}
.theory-accordion-summary::-webkit-details-marker {
  display: none;
}
.theory-accordion-summary:hover {
  background: #b4b4b414;
}
/* Chevron on far right: down when closed, up when open */
.theory-accordion-summary::after {
  content: "";
  display: inline-block;
  width: 18px;
  height: 18px;
  margin-left: auto;
  flex-shrink: 0;
  background-color: var(--color-text-muted);
  mask: url('assets/images/nav-arrow-up.svg') center / contain no-repeat;
  -webkit-mask: url('assets/images/nav-arrow-up.svg') center / contain no-repeat;
  transform: rotate(180deg); /* down when closed */
  transition: transform var(--transition-fast);
}
.theory-accordion[open] .theory-accordion-summary::after {
  transform: rotate(0deg); /* up when open */
}

.theory-accordion-content {
  padding: 10px 20px;
  background: #fafafa;
  border-top: none;
  overflow: hidden;
  transition: height 0.3s ease-in-out;
  box-sizing: border-box;
  min-height: 0;
}

.theory-accordion-content .theory-posts-list {
  margin: 0;
  padding-left: 1.5em;
  font-weight: 400;
  color: var(--color-text);
}

.theory-accordion-content .theory-posts-list li {
  margin-bottom: 3px;
  font-size: 0.95rem;
}

.theory-accordion-content .theory-posts-list li::marker {
  font-size: 0.95em;
}

.theory-post-link {
  font-size: 0.95rem;
}

/* Accordion content: paragraphs and lists (block editor content) */
.theory-accordion-content > p,
.theory-accordion-content .wp-block-paragraph {
  margin: 0 0 1em;
  color: var(--color-text);
}
.theory-accordion-content > p:last-child,
.theory-accordion-content .wp-block-paragraph:last-child {
  margin-bottom: 0;
}
.theory-accordion-content ul,
.theory-accordion-content ol,
.theory-accordion-content .wp-block-list {
  margin: 0 0 1em;
  padding-left: 1.5em;
  color: var(--color-text);
}
.theory-accordion-content ul ul,
.theory-accordion-content ol ol,
.theory-accordion-content ul ol,
.theory-accordion-content ol ul {
  margin: 0.25em 0;
}
.theory-accordion-content li {
  margin-bottom: 0.25em;
}

/* Accordion block: vertical spacing */
.wp-block-ae-kb-accordion.theory-accordion-group {
  margin-top: 1.5em;
  margin-bottom: 1.5em;
}

/* Gutenberg accordions follow the same global accordion styling */
.wp-block-ae-kb-accordion .theory-accordion:last-child {
  margin-bottom: 0;
}
.wp-block-ae-kb-accordion .theory-accordion,
.wp-block-ae-kb-accordion .theory-accordion .theory-accordion-summary,
.wp-block-ae-kb-accordion .theory-accordion .theory-accordion-content {
  background-color: #F0FAFF;
}

/* Accordion item: when a background color is applied, remove border and summary/content divider */
.theory-accordion[class*="has-accordion-color-"] {
  border: none;
  box-shadow: none;
}
.theory-accordion[class*="has-accordion-color-"] .theory-accordion-content {
  border-top: none;
}

/* Accordion item: optional background colors (per item, summary + content only) */
.theory-accordion.has-accordion-color-blue .theory-accordion-summary,
.theory-accordion.has-accordion-color-blue .theory-accordion-content {
  background-color: #E6F2FE;
}
.theory-accordion.has-accordion-color-blue .theory-accordion-content {
  border-radius: 0 0 0 0;
}
.theory-accordion.has-accordion-color-blue .theory-accordion-summary {
  border-radius: 0;
}
.theory-accordion.has-accordion-color-blue[open] .theory-accordion-summary {
  border-radius: 0 0 0 0;
}

.theory-accordion.has-accordion-color-green .theory-accordion-summary,
.theory-accordion.has-accordion-color-green .theory-accordion-content {
  background-color: #E8FAED;
}
.theory-accordion.has-accordion-color-green .theory-accordion-content {
  border-radius: 0 0 0 0;
}
.theory-accordion.has-accordion-color-green .theory-accordion-summary {
  border-radius: 0;
}
.theory-accordion.has-accordion-color-green[open] .theory-accordion-summary {
  border-radius: 0 0 0 0;
}

.theory-accordion.has-accordion-color-yellow .theory-accordion-summary,
.theory-accordion.has-accordion-color-yellow .theory-accordion-content {
  background-color: #FEF9E8;
}
.theory-accordion.has-accordion-color-yellow .theory-accordion-content {
  border-radius: 0 0 0 0;
}
.theory-accordion.has-accordion-color-yellow .theory-accordion-summary {
  border-radius: 0;
}
.theory-accordion.has-accordion-color-yellow[open] .theory-accordion-summary {
  border-radius: 0 0 0 0;
}

.theory-accordion.has-accordion-color-red .theory-accordion-summary,
.theory-accordion.has-accordion-color-red .theory-accordion-content {
  background-color: #FEE7EA;
}
.theory-accordion.has-accordion-color-red .theory-accordion-content {
  border-radius: 0 0 0 0;
}
.theory-accordion.has-accordion-color-red .theory-accordion-summary {
  border-radius: 0;
}
.theory-accordion.has-accordion-color-red[open] .theory-accordion-summary {
  border-radius: 0 0 0 0;
}

.theory-subcategory-title {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.theory-category-section {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}
.theory-category-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.theory-category-title {
  margin: 0 0 16px;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text);
}

.theory-posts-list {
  list-style: disc;
  margin: 0 0 16px 0;
  padding-left: 1.5em;
}

.theory-posts-list li {
  margin: 0 0 6px 0;
}

.theory-post-link {
  display: inline-block;
  font-size: 1rem;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}
.theory-post-link:hover {
  color: var(--color-accent-hover);
}

.theory-no-posts {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Page template
   ========================================================================== */
.page-header {
  margin-bottom: 32px;
}
.page-title {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.page-content {
  max-width: var(--content-max);
  margin: 0 auto;
}
.page-content .article-content {
  margin: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: 24px;
  margin-top: 48px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.site-footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.site-footer-panel {
  background: #f9f9f9;
  border-radius: 22px;
  padding: 36px;
}

.site-footer-row {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 56px;
}

.site-footer-form {
  flex: 0 0 360px;
  min-width: 0;
}

.site-footer-text {
  flex: 1 1 auto;
  min-width: 0;
}

.site-footer-columns {
  display: flex;
  align-items: flex-start;
  gap: 64px;
}

.site-footer-col {
  min-width: 180px;
}

.site-footer-heading {
  margin: 0 0 10px;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

@media (max-width: 768px) {
  .site-footer-panel {
    padding: 22px;
    border-radius: 16px;
  }
  .site-footer-row {
    flex-direction: column;
    gap: 24px;
  }
  .site-footer-form {
    flex-basis: auto;
    width: 100%;
  }
  .site-footer-columns {
    flex-direction: column;
    gap: 24px;
  }
}

.site-footer-disclaimer {
  margin: 24px 0 16px;
  font-size: var(--font-size-xs);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 72ch;
}

.site-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.site-footer a {
  color: var(--color-text-muted);
}
.site-footer a:hover {
  color: var(--color-text);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.footer-links li {
  margin: 0;
}

.footer-links-contact {
  min-width: 220px;
}

/* Footer signup visual alignment with new panel style */
.site-footer .ae-email-signup-wrap {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
  max-width: 100%;
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination,
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}
.pagination .page-numbers,
.nav-links .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}
.pagination .page-numbers:hover,
.nav-links .page-numbers:hover,
.pagination .page-numbers.current,
.nav-links .page-numbers.current {
  color: var(--color-text);
  background: var(--color-hover-bg);
  border-color: var(--color-border-strong);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

/* ==========================================================================
   Leave a review template
   ========================================================================== */
.ae-review-page {
  margin: 0 auto;
}

.ae-review-form-wrap {
  max-width: 760px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-subtle);
  padding: 22px;
}

.ae-review-form label {
  display: block;
  margin: 0 0 12px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.ae-review-form input[type="text"],
.ae-review-form input[type="email"],
.ae-review-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
}

.ae-review-form textarea {
  resize: vertical;
}

.ae-review-form input:focus,
.ae-review-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.12);
}

.ae-review-submit {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-text);
  color: #fff;
  font: inherit;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

.ae-review-submit:hover {
  opacity: 0.92;
}

.ae-review-alert {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
}

.ae-review-alert p {
  margin: 0;
}

.ae-review-alert p + p {
  margin-top: 6px;
}

.ae-review-alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.ae-review-alert-success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}