/* ==========================================
   DARJA RIHLA - SINGLE POST SYSTEM v7.2
   File: dr-single-post.css
   Universal single post system with article themes
   ========================================== */

@layer base, layout, components, articleThemes, effects, responsive, print;

/* 1. TOKENS */

@layer base {
  :root {
    --dr-neutral-950: #0d0b09;
    --dr-neutral-100: #e9f1f7;
    --dr-neutral-200: #d7e3ea;
    --dr-neutral-300: #cbbca4;
    --dr-neutral-400: #9fb0bc;
    --dr-neutral-50: #f4ede0;

    --dr-gold-500: #c9a84c;
    --dr-gold-700: #8a641d;
    --dr-cyan-500: #63d8e6;
    --dr-cyan-800: #174f63;
    --dr-purple-500: #7a3ea1;
    --dr-purple-800: #4a265a;

    --dr-bg: var(--dr-neutral-950);
    --dr-panel: rgba(255, 255, 255, 0.04);
    --dr-panel-2: rgba(255, 255, 255, 0.06);
    --dr-border: rgba(201, 168, 76, 0.22);
    --dr-border-soft: rgba(255, 255, 255, 0.08);

    --dr-text: var(--dr-neutral-100);
    --dr-soft: var(--dr-neutral-300);
    --dr-muted: var(--dr-neutral-400);
    --dr-heading: var(--dr-neutral-50);

    --dr-gold: var(--dr-gold-500);
    --dr-cyan: var(--dr-cyan-500);
    --dr-purple: var(--dr-purple-500);
    --dr-accent: var(--dr-gold);
    --dr-accent-2: var(--dr-cyan);

    --dr-post-max: 1120px;
    --dr-post-wide: 1560px;

    --dr-radius: clamp(14px, 2vw, 18px);
    --dr-radius-sm: clamp(8px, 1.4vw, 12px);

    --dr-font-display: "Playfair Display", Georgia, serif;
    --dr-font-body: inherit;
    --dr-font-ui: Arial, sans-serif;
    --dr-font-mono: ui-monospace, "Cascadia Code", monospace;

    --dr-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --dr-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

    --dr-shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
    --dr-shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.18);

    --dr-gold-07: color-mix(in oklch, var(--dr-gold) 7%, transparent);
    --dr-gold-10: color-mix(in oklch, var(--dr-gold) 10%, transparent);
    --dr-gold-16: color-mix(in oklch, var(--dr-gold) 16%, transparent);
    --dr-gold-28: color-mix(in oklch, var(--dr-gold) 28%, transparent);
    --dr-cyan-05: color-mix(in oklch, var(--dr-cyan) 5%, transparent);
  }

  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  body {
    background: var(--dr-bg);
    color: var(--dr-text);
    font-family: var(--dr-font-body);
  }

  :focus-visible {
    outline: 2px solid var(--dr-purple);
    outline-offset: 3px;
    border-radius: 4px;
  }
}

/* 2. SINGLE TEMPLATE */

@layer layout {
  .dr-single-shell {
    position: relative;
    background:
      radial-gradient(circle at top, rgba(99, 216, 230, 0.05), transparent 28%),
      radial-gradient(circle at 12% 16%, rgba(122, 62, 161, 0.10), transparent 26%),
      linear-gradient(180deg, rgba(255, 255, 255, 0.01), transparent 180px);
  }

  .dr-single-shell > * {
    position: relative;
    z-index: 1;
  }

  .dr-single-hero-wrap {
    padding: clamp(28px, 5vw, 70px) 0 clamp(10px, 2vw, 18px);
  }

  .dr-single-hero,
  .dr-single-body-wrap,
  .dr-single-more-posts {
    width: min(100% - 32px, var(--dr-post-wide));
    margin-inline: auto;
  }

  .dr-single-body-wrap {
    padding-block: clamp(22px, 3vw, 38px) clamp(48px, 6vw, 84px);
  }

  .dr-single-content-wrap,
  .dr-single-content-wrap > .wp-block-post-content {
    width: 100%;
    max-width: none;
  }

  .dr-single-content-wrap .dr-post {
    width: 100%;
    max-width: none;
    margin: 0;
  }
}

/* 3. TEMPLATE COMPONENTS */

@layer components {
  .dr-post-progress {
    position: fixed;
    inset: 0 auto auto 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--dr-purple), var(--dr-gold), var(--dr-cyan));
    z-index: 9999;
    box-shadow: 0 0 18px rgba(122, 62, 161, 0.35);
  }

  .theme-toggle {
    appearance: none;
    border: 1px solid var(--dr-border-soft);
    background: var(--dr-panel);
    color: var(--dr-text);
    padding: 0.58rem 0.85rem;
    border-radius: 999px;
    font: inherit;
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
  }

  .dr-single-meta {
    gap: 8px 10px;
    margin-block-end: 26px;
    color: var(--dr-muted);
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .dr-single-meta a {
    color: var(--dr-soft);
    text-decoration: none;
  }

  .dr-single-meta a:hover {
    color: var(--dr-purple);
  }

  .dr-single-hero .wp-block-post-featured-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    display: block;
    border-radius: calc(var(--dr-radius) + 4px);
    box-shadow: var(--dr-shadow);
    border: 1px solid var(--dr-border-soft);
  }

  .dr-single-utility-strip {
    margin-block-start: 18px;
    padding: 14px 16px;
    border: 1px solid var(--dr-border-soft);
    border-radius: 14px;
    background: linear-gradient(180deg, var(--dr-panel), rgba(255, 255, 255, 0.02));
    box-shadow: var(--dr-shadow);
  }
}

/* 4. UNIVERSAL READING TOOLS */

@layer components {
  .dr-post-rail {
    display: none;
  }

  .dr-progress-line {
    position: fixed;
    left: 0;
    top: 0;
    width: 3px;
    height: 0%;
    background: linear-gradient(to bottom, var(--dr-gold), #b5490a);
    z-index: 9999;
    border-radius: 0 2px 2px 0;
  }

  .dr-side-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 8000;
    opacity: 0;
    transition: opacity 0.5s var(--dr-ease-in-out);
    box-shadow:
      inset 3px 0 20px color-mix(in oklch, var(--dr-gold) 14%, transparent),
      inset -3px 0 20px color-mix(in oklch, var(--dr-gold) 14%, transparent);
  }

  .dr-side-glow.active {
    opacity: 1;
  }

  .dr-toc-btn {
    position: fixed;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9100;
    width: 38px;
    height: 38px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    opacity: 0;
    border-radius: 6px;
    border: 1px solid var(--dr-gold);
    background: #1a1208;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.32);
  }

  .dr-toc-btn.visible {
    opacity: 1;
  }

  .dr-toc-btn span {
    display: block;
    width: 15px;
    height: 1px;
    background: var(--dr-gold);
  }

  .dr-toc-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 7, 2, 0.55);
    z-index: 9050;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--dr-ease-in-out);
    backdrop-filter: blur(2px);
  }

  .dr-toc-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  .dr-toc-panel {
    position: fixed;
    left: -330px;
    top: 0;
    bottom: 0;
    width: 300px;
    z-index: 9200;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background:
      radial-gradient(circle at top left, rgba(201, 168, 76, 0.12), transparent 34%),
      linear-gradient(180deg, #1a1208, #100b06);
    border-right: 1px solid rgba(201, 168, 76, 0.24);
    box-shadow: 22px 0 70px rgba(0, 0, 0, 0.42);
    transition: left 0.35s var(--dr-ease-in-out);
  }

  .dr-toc-panel.open {
    left: 0;
  }

  .dr-toc-header {
    position: relative;
    padding: 30px 24px 22px;
    border-bottom: 1px solid rgba(201, 168, 76, 0.16);
  }

  .dr-toc-header-label,
  .dr-toc-list .toc-num {
    color: var(--dr-gold);
    font-family: var(--dr-font-ui);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
  }

  .dr-toc-header h4 {
    margin: 7px 30px 0 0;
    color: #e8dcc8;
    font-family: Georgia, serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.45;
  }

  .dr-toc-close {
    position: absolute;
    top: 20px;
    right: 20px;
    border: 0;
    background: transparent;
    color: #7a6a52;
    cursor: pointer;
    font-size: 20px;
  }

  .dr-toc-list {
    list-style: none;
    margin: 0;
    padding: 20px 0 42px;
  }

  .dr-toc-list li {
    margin: 0;
    border-left: 2px solid transparent;
  }

  .dr-toc-list li.active {
    border-left-color: var(--dr-gold);
    background: rgba(201, 168, 76, 0.07);
  }

  .dr-toc-list a {
    display: block;
    padding: 12px 24px;
    text-decoration: none;
    cursor: pointer;
  }

  .dr-toc-list .toc-title {
    display: block;
    color: #e8dcc8;
    font-family: Georgia, serif;
    font-size: 0.96rem;
    line-height: 1.35;
  }

  .dr-nav {
    position: fixed;
    top: 50%;
    right: clamp(12px, 1.2vw, 18px);
    transform: translateY(-50%);
    z-index: 9000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.45s var(--dr-ease-out);
  }

  .dr-nav.visible {
    opacity: 1;
    pointer-events: auto;
  }

  .dr-nav-dot {
    position: relative;
    box-sizing: border-box;
    width: 9px;
    height: 9px;
    margin: 0;
    padding: 0;
    border-radius: 50%;
    border: 1px solid color-mix(in oklch, var(--dr-gold) 58%, var(--dr-border-soft));
    background: color-mix(in oklch, var(--dr-gold) 22%, var(--dr-panel));
    box-shadow:
      0 0 0 1px color-mix(in oklch, var(--dr-bg) 55%, transparent) inset,
      0 1px 4px rgba(0, 0, 0, 0.22);
    cursor: pointer;
    transition:
      background 0.28s var(--dr-ease-out),
      border-color 0.28s var(--dr-ease-out),
      box-shadow 0.28s var(--dr-ease-out),
      transform 0.28s var(--dr-ease-out);
  }

  .dr-nav-dot:hover,
  .dr-nav-dot.active {
    background: color-mix(in oklch, var(--dr-gold) 88%, #fff 12%);
    border-color: color-mix(in oklch, var(--dr-gold) 72%, var(--dr-cyan));
    transform: scale(1.35);
    box-shadow:
      0 0 0 1px color-mix(in oklch, var(--dr-bg) 40%, transparent) inset,
      0 0 14px color-mix(in oklch, var(--dr-gold) 45%, transparent),
      0 0 28px color-mix(in oklch, var(--dr-cyan) 18%, transparent);
  }

  .dr-nav-dot:focus-visible {
    outline: 2px solid var(--dr-purple);
    outline-offset: 3px;
  }

  .dr-nav-label {
    position: absolute;
    right: calc(100% + 14px);
    top: 50%;
    transform: translate(8px, -50%);
    max-width: min(40vw, 300px);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    border-radius: 12px;
    background: color-mix(in oklch, var(--dr-neutral-950) 88%, transparent);
    color: var(--dr-neutral-50);
    border: 1px solid color-mix(in oklch, var(--dr-gold) 35%, var(--dr-border-soft));
    padding: 0.5rem 0.75rem;
    font-family: var(--dr-font-ui);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    line-height: 1.35;
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    box-shadow:
      var(--dr-shadow-sm),
      0 0 0 1px color-mix(in oklch, var(--dr-gold) 12%, transparent);
    transition:
      opacity 0.22s var(--dr-ease-out),
      transform 0.22s var(--dr-ease-out),
      visibility 0.22s var(--dr-ease-out);
  }

  .dr-nav-dot:hover .dr-nav-label,
  .dr-nav-dot:focus-visible .dr-nav-label {
    opacity: 1;
    visibility: visible;
    transform: translate(0, -50%);
  }

  .dr-toc-is-open,
  .dr-lightbox-is-open {
    overflow: hidden;
  }

  .dr-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    cursor: zoom-out;
    background: rgba(10, 7, 2, 0.95);
  }

  .dr-lightbox.active {
    display: flex;
  }

  .dr-lightbox img {
    max-width: 92vw;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.65);
  }

  .dr-lightbox-caption {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 80vw;
    color: #e8dcc8;
    font-family: var(--dr-font-ui);
    font-size: 12px;
    letter-spacing: 2px;
    text-align: center;
    text-transform: uppercase;
  }

  .dr-lightbox-close {
    position: fixed;
    top: 20px;
    right: 24px;
    z-index: 10001;
    border: 0;
    background: transparent;
    color: var(--dr-gold);
    cursor: pointer;
    font-size: 28px;
  }

  .dr-lightbox-enabled {
    cursor: zoom-in;
  }
}

/* 5. BASE ARTICLE COMPONENTS */

@layer components {
  .dr-post {
    width: 100%;
    max-width: 100%;
    color: var(--dr-text);
    font-family: var(--dr-font-body);
  }

  .dr-post-body,
  .dr-body {
    width: min(100% - 44px, var(--dr-post-max));
    max-width: var(--dr-post-max);
    margin-inline: auto;
  }

  .dr-post-section,
  .dr-section {
    position: relative;
    display: grid;
    gap: 14px;
    scroll-margin-top: 120px;
    margin-top: 48px;
    border-inline-start: 1px solid var(--dr-gold-10);
    padding-inline-start: clamp(16px, 2vw, 26px);
  }

  .dr-post-section::before,
  .dr-section::before {
    content: "";
    position: absolute;
    inset-inline-start: -1px;
    top: 0.4rem;
    width: 2px;
    height: 0;
    background: linear-gradient(180deg, var(--dr-gold), transparent);
    transition: height 0.7s var(--dr-ease-out);
  }

  .dr-post-section.is-visible::before,
  .dr-section.is-visible::before {
    height: 72px;
  }

  .dr-post-section.is-active,
  .dr-section.is-active {
    background: linear-gradient(90deg, var(--dr-gold-07), transparent 34%);
    border-radius: var(--dr-radius);
  }

  .dr-post h2,
  .dr-post h3 {
    color: var(--dr-heading);
    text-wrap: balance;
    scroll-margin-top: 120px;
  }

  .dr-post p,
  .dr-post li {
    color: var(--dr-text);
    line-height: 1.9;
    font-size: 1.03rem;
  }

  .dr-post a {
    color: var(--dr-cyan);
    text-underline-offset: 3px;
  }

  .dr-post a:hover {
    color: var(--dr-purple);
  }

  .dr-quote {
    margin-block: 6px;
    padding: 18px 20px;
    border-inline-start: 3px solid var(--dr-purple);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0 var(--dr-radius-sm) var(--dr-radius-sm) 0;
  }

  .dr-takeaway,
  .dr-counter,
  .dr-warning,
  .dr-definition,
  .dr-why-matters,
  .dr-source,
  .dr-sources,
  .dr-systems-diagram,
  .dr-post-card,
  .dr-post-cta {
    border: 1px solid var(--dr-border-soft);
    background: linear-gradient(180deg, var(--dr-panel), rgba(255, 255, 255, 0.02));
    border-radius: var(--dr-radius);
    box-shadow: var(--dr-shadow-sm);
  }

  .dr-takeaway,
  .dr-counter,
  .dr-warning,
  .dr-definition,
  .dr-why-matters,
  .dr-source,
  .dr-sources,
  .dr-systems-diagram,
  .dr-post-cta {
    padding: clamp(18px, 3vw, 28px);
    margin-block: clamp(24px, 4vw, 44px);
  }

  .dr-post-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .dr-post-card {
    display: block;
    padding: 20px;
    text-decoration: none;
  }

  .dr-post-card span,
  .dr-source-label {
    display: block;
    margin-bottom: 8px;
    color: var(--dr-gold);
    font-family: var(--dr-font-ui);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
  }

  .dr-post-card strong {
    display: block;
    color: var(--dr-heading);
    font-family: var(--dr-font-display);
    font-size: 1.2rem;
    line-height: 1.35;
    margin-bottom: 8px;
  }

  .dr-post-card p {
    margin: 0;
  }

  .dr-post-cta {
    text-align: left;
  }

  .dr-post-cta h2,
  .dr-post-cta strong {
    color: var(--dr-heading);
    font-family: var(--dr-font-display);
  }

  .dr-post-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 12px;
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid var(--dr-border);
    border-radius: 999px;
    background: color-mix(in oklch, var(--dr-gold) 16%, transparent);
    color: var(--dr-heading);
    text-decoration: none;
    font-family: var(--dr-font-ui);
    font-size: 0.76rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .dr-copy-btn {
    cursor: pointer;
  }

  .dr-card,
  .dr-link,
  .dr-visual-card,
  .dr-flip-card,
  .dr-accordion,
  .dr-post-card {
    transition: transform 0.25s var(--dr-ease-out);
  }

  .dr-card:hover,
  .dr-link:hover,
  .dr-visual-card:hover,
  .dr-post-card:hover {
    transform: translateY(-2px);
  }
}

/* 6. FLASHCARDS AND ACCORDIONS */

@layer components {
  .dr-timeline {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
  }

  .dr-flip-card {
    perspective: 1200px;
    height: 280px;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }

  .dr-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s var(--dr-ease-in-out);
    will-change: transform;
  }

  .dr-flip-card.flipped .dr-flip-inner {
    transform: rotateY(180deg);
  }

  .dr-flip-front,
  .dr-flip-back {
    position: absolute;
    inset: 0;
    border-radius: 8px;
    padding: 18px 20px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    overflow: hidden;
    box-sizing: border-box;
  }

  .dr-flip-back {
    transform: rotateY(180deg);
  }

  .dr-accordion {
    display: none;
  }

  .dr-acc-trigger {
    cursor: pointer;
  }

  .dr-acc-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--dr-ease-in-out);
  }

  .dr-accordion.open .dr-acc-body {
    max-height: 520px;
  }
}

/* 7. TUNISIA PILLAR THEME — dark editorial default (@layer articleThemes)
   Parchment / Georgia only when html[data-theme="sepia"] (see sepia block below). */

@layer articleThemes {
  .dr-post-tunisia-pillar {
    background-color: var(--dr-bg-alt, #0b1622);
    background-image:
      radial-gradient(ellipse 100% 55% at 50% 0%, rgba(99, 216, 230, 0.06), transparent 42%),
      linear-gradient(180deg, #0a1520 0%, #040910 55%, #03070c 100%);
    color: var(--dr-text, #e9f1f7);
    font-family: var(--dr-font-ui, system-ui, sans-serif);
    font-size: 17px;
    line-height: 1.88;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--dr-shadow, 0 14px 40px rgba(0, 0, 0, 0.28));
  }

  .dr-post-tunisia-pillar::before {
    content: "";
    display: block;
    height: 4px;
    background: linear-gradient(
      90deg,
      var(--dr-gold, #c9a84c) 0%,
      color-mix(in srgb, var(--dr-cyan, #63d8e6) 42%, var(--dr-gold)) 48%,
      var(--dr-gold) 100%
    );
  }

  .dr-post-tunisia-pillar .dr-header {
    background:
      radial-gradient(ellipse 90% 100% at 50% 0%, rgba(201, 168, 76, 0.12), transparent 52%),
      linear-gradient(180deg, #0d0804 0%, #0a1520 100%);
    padding: 56px 32px 46px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .dr-post-tunisia-pillar .dr-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cg fill='none' stroke='%2363d8e6' stroke-width='0.45' opacity='0.06'%3E%3Crect x='10' y='10' width='60' height='60' transform='rotate(45 40 40)'/%3E%3Crect x='20' y='20' width='40' height='40' transform='rotate(45 40 40)'/%3E%3Ccircle cx='40' cy='40' r='28'/%3E%3C/g%3E%3C/svg%3E"),
      repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(201, 168, 76, 0.04) 40px, rgba(201, 168, 76, 0.04) 80px);
    pointer-events: none;
  }

  .dr-post-tunisia-pillar .dr-tag,
  .dr-post-tunisia-pillar .dr-title,
  .dr-post-tunisia-pillar .dr-sub,
  .dr-post-tunisia-pillar .dr-meta,
  .dr-post-tunisia-pillar .dr-rule {
    position: relative;
    z-index: 2;
  }

  .dr-post-tunisia-pillar .dr-tag,
  .dr-post-tunisia-pillar .dr-meta,
  .dr-post-tunisia-pillar .dr-label,
  .dr-post-tunisia-pillar .dr-read-time,
  .dr-post-tunisia-pillar .dr-timeline-hint {
    font-family: var(--dr-font-ui);
    text-transform: uppercase;
  }

  .dr-post-tunisia-pillar .dr-tag {
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--dr-gold);
    margin-bottom: 18px;
    font-weight: 600;
  }

  .dr-post-tunisia-pillar .dr-title {
    color: var(--dr-heading);
    font-family: var(--dr-font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.12;
    margin: 0 0 14px;
    font-weight: 700;
  }

  .dr-post-tunisia-pillar .dr-sub {
    color: var(--dr-soft, #cbbca4);
    font-style: italic;
    max-width: 760px;
    margin: 0 auto 18px;
    font-family: var(--dr-font-display);
    font-size: 1.15rem;
    line-height: 1.65;
  }

  .dr-post-tunisia-pillar .dr-meta {
    font-size: 11px;
    color: var(--dr-muted);
    letter-spacing: 2px;
  }

  .dr-post-tunisia-pillar .dr-read-time {
    display: inline-block;
    margin-left: 14px;
    color: var(--dr-gold);
    font-size: 11px;
    letter-spacing: 2px;
  }

  .dr-post-tunisia-pillar .dr-rule {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--dr-gold), transparent);
    margin: 22px auto 0;
  }

  .dr-post-tunisia-pillar .dr-body {
    max-width: 980px;
    margin: auto;
    padding: 56px clamp(22px, 5vw, 64px) 80px;
  }

  .dr-post-tunisia-pillar p,
  .dr-post-tunisia-pillar li {
    color: var(--dr-text, #e9f1f7);
  }

  .dr-post-tunisia-pillar h2,
  .dr-post-tunisia-pillar h3 {
    color: var(--dr-heading);
  }
}

/* 8. REVEAL */

@layer effects {
  .dr-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.45s var(--dr-ease-out), transform 0.45s var(--dr-ease-out);
  }

  .js .dr-reveal {
    opacity: 0;
    transform: translateY(16px);
  }

  .js .dr-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  @media (prefers-reduced-motion: reduce) {
    .dr-reveal,
    .js .dr-reveal,
    .js .dr-reveal.is-visible {
      opacity: 1;
      transform: none;
      animation: none;
      transition: none;
    }
  }
}

/* 9. RESPONSIVE */

@layer responsive {
  @media (max-width: 1100px) {
    .dr-nav {
      display: none;
    }

    .dr-single-body-wrap {
      width: min(100% - 24px, 100%);
    }

    .dr-post-body,
    .dr-body {
      width: min(100% - 32px, var(--dr-post-max));
    }

    .dr-toc-btn {
      left: 14px;
      width: 40px;
      height: 40px;
    }
  }

  @media (max-width: 768px) {
    .dr-post-section,
    .dr-section {
      padding-inline-start: 14px;
    }

    .dr-post-section.is-active,
    .dr-section.is-active {
      background: transparent;
    }

    .dr-post h2 {
      font-size: clamp(1.65rem, 8vw, 2.35rem);
    }

    .dr-timeline,
    .dr-post-grid {
      grid-template-columns: 1fr;
    }

    .dr-flip-card {
      display: none;
    }

    .dr-accordion {
      display: block;
      border-radius: 8px;
      overflow: hidden;
      margin-bottom: 2px;
      background: #1a1208;
      border-left: 3px solid var(--dr-gold);
    }

    .dr-acc-trigger {
      padding: 18px 20px;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 12px;
    }

    .dr-acc-left {
      flex: 1;
    }

    .dr-acc-era {
      font-family: var(--dr-font-ui);
      font-size: 10px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--dr-gold);
      margin-bottom: 6px;
    }

    .dr-acc-title {
      font-family: var(--dr-font-display);
      font-size: 18px;
      color: #e8dcc8;
      margin: 0;
      line-height: 1.3;
      font-weight: 700;
    }

    .dr-acc-arrow {
      color: var(--dr-gold);
      font-size: 18px;
      transition: transform 0.3s var(--dr-ease-in-out);
    }

    .dr-accordion.open .dr-acc-arrow {
      transform: rotate(180deg);
    }

    .dr-acc-front {
      padding: 0 20px 16px;
      font-size: 14px;
      line-height: 1.7;
      color: #c4b498;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .dr-acc-back {
      padding: 16px 20px;
      background: rgba(181, 73, 10, 0.15);
    }

    .dr-acc-back-label {
      font-family: var(--dr-font-ui);
      font-size: 10px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: #b5490a;
      margin-bottom: 8px;
    }

    .dr-acc-back p {
      font-size: 13.5px;
      line-height: 1.65;
      color: #e8dcc8;
      margin: 0;
    }

    .dr-post-tunisia-pillar .dr-body {
      padding: 46px 22px 78px;
    }

    .dr-post-tunisia-pillar .dr-header {
      padding: 50px 24px 42px;
    }
  }

  @media (max-width: 600px) {
    .dr-toc-panel {
      width: 86vw;
      left: -90vw;
    }

    .dr-toc-panel.open {
      left: 0;
    }

    .dr-toc-header {
      padding: 28px 22px 20px;
    }

    .dr-toc-list a {
      padding: 12px 22px;
    }
  }
}

/* 10. PRINT */

@layer print {
  @media print {
    .dr-single-shell::before,
    .dr-post-progress,
    .dr-progress-line,
    .dr-side-glow,
    .dr-toc-btn,
    .dr-toc-overlay,
    .dr-toc-panel,
    .dr-nav,
    .dr-lightbox,
    .theme-toggle,
    .dr-single-utility-strip,
    .dr-single-comments,
    .dr-single-post-nav,
    .dr-single-more-posts {
      display: none;
    }

    body,
    .dr-post {
      background: #ffffff;
      color: #000000;
      box-shadow: none;
    }

    @page {
      margin: 2cm 2.5cm;
    }
  }
}

/* ==========================================
   11. UNLAYERED WORDPRESS HARD OVERRIDES
   Keep this section at the bottom
   ========================================== */

.dr-single-shell,
.dr-single-template-main,
.dr-single-body-wrap,
.dr-single-content-wrap,
.dr-single-content-wrap > .wp-block-post-content,
.wp-block-post-content > .dr-post {
  width: 100% !important;
  max-width: none !important;
  margin-inline: 0 !important;
}

.dr-single-body-wrap {
  padding-inline: 0 !important;
}

.dr-single-shell .wp-block-post-content > .dr-post,
.dr-single-shell .wp-block-post-content .dr-post {
  position: relative;
  width: 100vw !important;
  max-width: 100vw !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
}

/* Wide modern article body */
.dr-single-shell .wp-block-post-content > .dr-post .dr-post-body,
.dr-single-shell .wp-block-post-content .dr-post .dr-post-body {
  width: min(100% - 48px, 1360px) !important;
  max-width: 1360px !important;
  margin-inline: auto !important;
}

/* Legacy themed body stays readable */
.dr-post .dr-body {
  width: min(100% - 44px, var(--dr-post-max, 1120px)) !important;
  max-width: var(--dr-post-max, 1120px) !important;
  margin-inline: auto !important;
}

/* Modern sections use wide canvas */
.dr-post .dr-post-section,
.dr-post .dr-takeaway,
.dr-post .dr-counter,
.dr-post .dr-warning,
.dr-post .dr-definition,
.dr-post .dr-why-matters,
.dr-post .dr-source,
.dr-post .dr-sources,
.dr-post .dr-systems-diagram,
.dr-post .dr-post-cta,
.dr-post .dr-related-reading {
  width: 100% !important;
  max-width: none !important;
}

/* Text remains readable inside wide canvas */
.dr-post .dr-post-section > h2,
.dr-post .dr-post-section > h3,
.dr-post .dr-post-section > p,
.dr-post .dr-post-section > blockquote,
.dr-post .dr-takeaway,
.dr-post .dr-counter,
.dr-post .dr-warning,
.dr-post .dr-why-matters,
.dr-post .dr-sources,
.dr-post .dr-post-cta {
  max-width: 1180px !important;
}

/* Visual blocks can go wider */
.dr-post .dr-systems-diagram,
.dr-post .dr-post-grid {
  max-width: 1360px !important;
}

/* Premium Four-Layer system diagram */
.dr-systems-diagram {
  padding: clamp(22px, 4vw, 38px) !important;
  border-radius: 24px !important;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--dr-accent) 10%, transparent), transparent 34%),
    linear-gradient(180deg, var(--dr-panel), color-mix(in srgb, var(--dr-panel-2) 80%, transparent)) !important;
  border: 1px solid var(--dr-border-soft) !important;
  box-shadow: var(--dr-shadow) !important;
}

.dr-systems-diagram h3 {
  margin-top: 0 !important;
  margin-bottom: 22px !important;
  font-size: clamp(1.4rem, 3vw, 2.2rem) !important;
}

.dr-systems-diagram .dr-definition {
  margin: 0 0 18px !important;
  padding: clamp(18px, 3vw, 26px) !important;
  border-radius: 18px !important;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--dr-panel) 92%, transparent), color-mix(in srgb, var(--dr-accent) 5%, transparent)) !important;
  border-left: 3px solid var(--dr-accent) !important;
  box-shadow: var(--dr-shadow-sm) !important;
}

.dr-systems-diagram .dr-definition strong {
  display: block;
  margin-bottom: 10px;
  font-family: var(--dr-font-display);
  font-size: 1.12rem;
  color: var(--dr-heading);
}

.dr-systems-diagram .dr-definition p {
  margin: 0;
}

/* RankMath TOC follows theme */
.rankmath-toc-block,
.dr-rankmath-toc {
  margin: 30px auto 46px;
  padding: 22px 24px;
  width: min(100% - 48px, 1180px);
  border: 1px solid var(--dr-border-soft);
  border-left: 3px solid var(--dr-gold);
  border-radius: 16px;
  background: var(--dr-panel);
  color: var(--dr-text);
}

.rankmath-toc-block h2,
.rankmath-toc-block h3,
.dr-rankmath-toc h2,
.dr-rankmath-toc h3 {
  margin: 0 0 14px;
  color: var(--dr-heading) !important;
  font-family: var(--dr-font-display);
  font-size: 21px;
}

.rankmath-toc-block ul,
.dr-rankmath-toc ul {
  margin: 0;
  padding-left: 18px;
}

.rankmath-toc-block li,
.dr-rankmath-toc li {
  margin: 8px 0;
  color: var(--dr-text) !important;
}

.rankmath-toc-block a,
.dr-rankmath-toc a {
  color: var(--dr-cyan) !important;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ==========================================
   12. THEME TOGGLE LIGHT MODE
   Sepia is the system name, but visual treatment is cluster-aware
   Must stay unlayered because dr-global.css is unlayered
   ========================================== */

html[data-theme="sepia"] {
  --dr-bg: #f2eadc;
  --dr-bg-alt: #ebe2d4;
  --dr-bg-soft: #f8f3ea;
  --dr-bg-deep: #ddd2c0;

  --dr-panel: rgba(255, 251, 243, 0.94);
  --dr-panel-strong: rgba(255, 248, 236, 0.98);
  --dr-panel-2: rgba(239, 232, 218, 0.96);
  --dr-surface: rgba(80, 64, 42, 0.045);
  --dr-surface-2: rgba(80, 64, 42, 0.07);
  --dr-surface-3: rgba(80, 64, 42, 0.10);

  --dr-border: rgba(92, 78, 54, 0.24);
  --dr-border-soft: rgba(92, 78, 54, 0.15);
  --dr-border-strong: rgba(92, 78, 54, 0.36);

  --dr-text: #17130d;
  --dr-text-soft: #2c2519;
  --dr-text-muted: #6d6253;
  --dr-text-faint: #8a7d6b;
  --dr-soft: #2c2519;
  --dr-muted: #6d6253;
  --dr-heading: #0f0c08;

  --dr-gold: #9b7a28;
  --dr-cyan: #245b64;
  --dr-purple: #5d4b67;
  --dr-accent: #9b7a28;
  --dr-accent-2: #5d4b67;

  --dr-page-glow: rgba(155, 122, 40, 0.10);
  --dr-page-grid: rgba(92, 78, 54, 0.06);
  --dr-shadow: 0 12px 30px rgba(70, 48, 20, 0.13);
}

/* Default light canvas */

html[data-theme="sepia"] body {
  background:
    radial-gradient(circle at 50% -10%, rgba(155, 122, 40, 0.10), transparent 34%),
    radial-gradient(circle at 90% 10%, rgba(93, 75, 103, 0.08), transparent 28%),
    linear-gradient(180deg, #f2eadc 0%, #ebe2d4 48%, #ddd2c0 100%) !important;
  color: var(--dr-text) !important;
}

html[data-theme="sepia"] body::before {
  background:
    linear-gradient(rgba(92, 78, 54, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 78, 54, 0.055) 1px, transparent 1px) !important;
}

html[data-theme="sepia"] body::after {
  background:
    radial-gradient(circle at 15% 20%, rgba(155, 122, 40, 0.10), transparent 28%),
    radial-gradient(circle at 80% 60%, rgba(93, 75, 103, 0.08), transparent 30%) !important;
}

html[data-theme="sepia"] .dr-single-shell {
  background:
    radial-gradient(circle at top, rgba(155, 122, 40, 0.10), transparent 28%),
    radial-gradient(circle at 12% 16%, rgba(93, 75, 103, 0.08), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), transparent 180px) !important;
}

/* Philosophy light mode */

html[data-theme="sepia"] body.dr-cluster-philosophy {
  --dr-bg: #f3efe6;
  --dr-panel: rgba(255, 252, 244, 0.94);
  --dr-panel-2: rgba(239, 232, 218, 0.96);
  --dr-border: rgba(92, 78, 54, 0.22);
  --dr-border-soft: rgba(92, 78, 54, 0.14);

  --dr-text: #17130d;
  --dr-text-soft: #2c2519;
  --dr-soft: #2c2519;
  --dr-muted: #6d6253;
  --dr-heading: #0f0c08;

  --dr-gold: #9b7a28;
  --dr-cyan: #245b64;
  --dr-purple: #5d4b67;
  --dr-accent: #9b7a28;
  --dr-accent-2: #5d4b67;

  background:
    radial-gradient(circle at 50% -10%, rgba(184, 160, 74, 0.10), transparent 34%),
    radial-gradient(circle at 90% 10%, rgba(80, 72, 62, 0.08), transparent 28%),
    linear-gradient(180deg, #f3efe6 0%, #ebe4d6 48%, #ded4c2 100%) !important;
}

/* Culture light mode */

html[data-theme="sepia"] body.dr-cluster-culture {
  --dr-bg: #e8dcc8;
  --dr-panel: rgba(246, 236, 220, 0.96);
  --dr-panel-2: rgba(238, 222, 198, 0.96);
  --dr-border: rgba(138, 100, 29, 0.28);
  --dr-border-soft: rgba(138, 100, 29, 0.18);

  --dr-text: #241b13;
  --dr-soft: #3d3328;
  --dr-muted: #665746;
  --dr-heading: #120d07;

  --dr-gold: #8a641d;
  --dr-cyan: #174f63;
  --dr-purple: #4a265a;
  --dr-accent: #8a641d;
  --dr-accent-2: #174f63;

  background:
    radial-gradient(circle at 50% -10%, rgba(138, 100, 29, 0.12), transparent 34%),
    radial-gradient(circle at 90% 10%, rgba(74, 38, 90, 0.08), transparent 28%),
    linear-gradient(180deg, #e8dcc8 0%, #efe3cf 48%, #ddcfb8 100%) !important;
}

/* Cyber light mode */

html[data-theme="sepia"] body.dr-cluster-cyber {
  --dr-bg: #eaf3f5;
  --dr-panel: rgba(248, 253, 254, 0.94);
  --dr-panel-2: rgba(232, 244, 247, 0.96);
  --dr-border: rgba(23, 79, 99, 0.22);
  --dr-border-soft: rgba(23, 79, 99, 0.14);

  --dr-text: #07151b;
  --dr-soft: #18323a;
  --dr-muted: #4d6870;
  --dr-heading: #041014;

  --dr-gold: #8a641d;
  --dr-cyan: #174f63;
  --dr-purple: #4a5870;
  --dr-accent: #174f63;
  --dr-accent-2: #8a641d;

  background:
    radial-gradient(circle at 50% -10%, rgba(23, 79, 99, 0.12), transparent 34%),
    radial-gradient(circle at 90% 10%, rgba(138, 100, 29, 0.08), transparent 28%),
    linear-gradient(180deg, #eaf3f5 0%, #dfecef 48%, #ccdfe4 100%) !important;
}

/* Systems light mode */

html[data-theme="sepia"] body.dr-cluster-systems {
  --dr-bg: #edf1f3;
  --dr-panel: rgba(250, 252, 253, 0.94);
  --dr-panel-2: rgba(232, 238, 242, 0.96);
  --dr-border: rgba(74, 91, 105, 0.22);
  --dr-border-soft: rgba(74, 91, 105, 0.14);

  --dr-text: #101820;
  --dr-soft: #24313b;
  --dr-muted: #60717c;
  --dr-heading: #071019;

  --dr-gold: #8a641d;
  --dr-cyan: #315f73;
  --dr-purple: #4b5b69;
  --dr-accent: #4b5b69;
  --dr-accent-2: #8a641d;

  background:
    radial-gradient(circle at 50% -10%, rgba(74, 91, 105, 0.12), transparent 34%),
    radial-gradient(circle at 90% 10%, rgba(138, 100, 29, 0.08), transparent 28%),
    linear-gradient(180deg, #edf1f3 0%, #e3e9ec 48%, #d4dde2 100%) !important;
}

/* Shared light mode content */

html[data-theme="sepia"] .dr-post,
html[data-theme="sepia"] .dr-post-body,
html[data-theme="sepia"] .dr-post-section {
  color: var(--dr-text) !important;
}

html[data-theme="sepia"] .dr-post p,
html[data-theme="sepia"] .dr-post li,
html[data-theme="sepia"] .dr-post-section p,
html[data-theme="sepia"] .dr-post-section li {
  color: var(--dr-soft) !important;
}

html[data-theme="sepia"] .dr-post h2,
html[data-theme="sepia"] .dr-post h3,
html[data-theme="sepia"] .dr-post strong,
html[data-theme="sepia"] .dr-single-title,
html[data-theme="sepia"] .dr-single-excerpt {
  color: var(--dr-heading) !important;
}

/* Tunisia pillar — optional parchment theme (sepia only; unlayered). */
html[data-theme="sepia"] .dr-post-tunisia-pillar {
  --dr-local-sand: #e8dcc8;
  --dr-local-deep: #1a1208;
  --dr-local-gold: #c9a84c;
  --dr-local-cream: #f5efe3;
  --dr-local-border: #e4d7c3;
  --dr-local-ink: #2a1f0e;
  --dr-local-muted: #7a6a52;
  --dr-local-burn: #b5490a;
  --dr-local-meta: #9c8668;
  --dr-local-sub: #c7b49a;

  background-color: var(--dr-local-cream) !important;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cg fill='none' stroke='%23c9a84c' stroke-width='0.4' opacity='0.09'%3E%3Cpolygon points='30,2 56,15 56,45 30,58 4,45 4,15'/%3E%3Cpolygon points='30,10 50,20 50,40 30,50 10,40 10,20'/%3E%3Cline x1='30' y1='2' x2='30' y2='58'/%3E%3Cline x1='4' y1='15' x2='56' y2='45'/%3E%3Cline x1='56' y1='15' x2='4' y2='45'/%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(180deg, #f5efe3 0%, #f2ead8 40%, #f5efe3 70%, #f0e8d4 100%) !important;
  color: var(--dr-local-ink) !important;
  font-family: Georgia, serif !important;
  box-shadow: 0 10px 40px rgba(26, 18, 8, 0.1);
}

html[data-theme="sepia"] .dr-post-tunisia-pillar::before {
  background: repeating-linear-gradient(
    90deg,
    var(--dr-local-gold) 0 8px,
    var(--dr-local-burn) 8px 16px,
    #8b6914 16px 24px,
    var(--dr-local-gold) 24px 32px,
    var(--dr-local-deep) 32px 40px
  ) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar .dr-header {
  background: var(--dr-local-deep) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar .dr-header::before {
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cg fill='none' stroke='%23c9a84c' stroke-width='0.5' opacity='0.07'%3E%3Crect x='10' y='10' width='60' height='60' transform='rotate(45 40 40)'/%3E%3Crect x='20' y='20' width='40' height='40' transform='rotate(45 40 40)'/%3E%3Ccircle cx='40' cy='40' r='28'/%3E%3C/g%3E%3C/svg%3E"),
    repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(201, 168, 76, 0.03) 40px, rgba(201, 168, 76, 0.03) 80px) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar .dr-tag {
  color: var(--dr-local-gold) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar .dr-title {
  color: var(--dr-local-sand) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar .dr-sub {
  color: var(--dr-local-sub) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar .dr-meta {
  color: var(--dr-local-meta) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar .dr-read-time {
  color: var(--dr-local-gold) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar .dr-rule {
  background: var(--dr-local-gold) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar p,
html[data-theme="sepia"] .dr-post-tunisia-pillar li {
  color: var(--dr-local-ink) !important;
}

html[data-theme="sepia"] .dr-post-tunisia-pillar h2,
html[data-theme="sepia"] .dr-post-tunisia-pillar h3 {
  color: var(--dr-local-deep) !important;
}

html[data-theme="sepia"] .dr-quote,
html[data-theme="sepia"] .dr-takeaway,
html[data-theme="sepia"] .dr-counter,
html[data-theme="sepia"] .dr-warning,
html[data-theme="sepia"] .dr-definition,
html[data-theme="sepia"] .dr-why-matters,
html[data-theme="sepia"] .dr-source,
html[data-theme="sepia"] .dr-sources,
html[data-theme="sepia"] .dr-post-card,
html[data-theme="sepia"] .dr-post-cta,
html[data-theme="sepia"] .dr-single-utility-strip,
html[data-theme="sepia"] .rankmath-toc-block,
html[data-theme="sepia"] .dr-rankmath-toc {
  background: var(--dr-panel) !important;
  border-color: var(--dr-border-soft) !important;
  color: var(--dr-text) !important;
}

html[data-theme="sepia"] .dr-quote p,
html[data-theme="sepia"] .dr-takeaway p,
html[data-theme="sepia"] .dr-counter p,
html[data-theme="sepia"] .dr-warning p,
html[data-theme="sepia"] .dr-definition p,
html[data-theme="sepia"] .dr-why-matters p,
html[data-theme="sepia"] .dr-source p,
html[data-theme="sepia"] .dr-sources li,
html[data-theme="sepia"] .dr-post-card p,
html[data-theme="sepia"] .dr-post-cta p {
  color: var(--dr-soft) !important;
}

html[data-theme="sepia"] a {
  color: var(--dr-cyan) !important;
}

html[data-theme="sepia"] a:hover {
  color: var(--dr-gold) !important;
}

html[data-theme="sepia"] .theme-toggle {
  background: var(--dr-panel) !important;
  border-color: var(--dr-border-soft) !important;
  color: var(--dr-text) !important;
}

html[data-theme="sepia"] .dr-toc-panel,
html[data-theme="sepia"] .dr-toc-btn,
html[data-theme="sepia"] .dr-nav-label {
  background:
    radial-gradient(circle at top left, rgba(155, 122, 40, 0.14), transparent 36%),
    linear-gradient(180deg, #faf6ef, #e8dfd0) !important;
  color: var(--dr-heading) !important;
  border-color: color-mix(in oklch, var(--dr-gold) 42%, var(--dr-border-soft)) !important;
  box-shadow:
    var(--dr-shadow-sm),
    0 0 0 1px color-mix(in oklch, var(--dr-gold) 10%, transparent) !important;
}

html[data-theme="sepia"] .dr-nav-dot {
  border-color: color-mix(in oklch, var(--dr-gold) 50%, var(--dr-text-muted));
  background: color-mix(in oklch, var(--dr-gold) 28%, var(--dr-panel));
  box-shadow:
    0 0 0 1px rgba(255, 252, 246, 0.85) inset,
    0 1px 3px rgba(60, 48, 28, 0.12);
}

html[data-theme="sepia"] .dr-nav-dot:hover,
html[data-theme="sepia"] .dr-nav-dot.active {
  background: color-mix(in oklch, var(--dr-gold) 72%, #fff 28%);
  border-color: color-mix(in oklch, var(--dr-gold) 65%, var(--dr-cyan));
  box-shadow:
    0 0 0 1px rgba(255, 252, 246, 0.9) inset,
    0 0 12px color-mix(in oklch, var(--dr-gold) 35%, transparent),
    0 0 22px color-mix(in oklch, var(--dr-cyan) 15%, transparent);
}

html[data-theme="sepia"] .dr-toc-list .toc-title,
html[data-theme="sepia"] .dr-toc-header h4 {
  color: var(--dr-heading) !important;
}

html[data-theme="sepia"] .dr-toc-overlay {
  background: rgba(35, 29, 21, 0.32) !important;
}

/* ==========================================
   12b. THEME DARK — single post canvas (unlayered)
   Cream/sepia backgrounds belong only under html[data-theme="sepia"].
   Opaque deep blues below the hero so parent / layered themes cannot bleed through.
   Does not alter widths, TOC, progress, nav, or hero layout — background + inherit only.
   ========================================== */

html[data-theme="dark"] body.dr-single {
  --dr-bg: #040910;
  --dr-bg-alt: #071019;
  background-color: #040910 !important;
  background-image: none !important;
  color: var(--dr-text, #e9f1f7);
}

html[data-theme="dark"] body.dr-single .dr-single-template-main {
  background-color: transparent;
  background-image: none;
  color: inherit;
}

html[data-theme="dark"] body.dr-single .dr-single-shell {
  background-color: #040910;
  background-image:
    radial-gradient(circle at 50% 0%, rgba(99, 216, 230, 0.07), transparent 36%),
    radial-gradient(circle at 12% 28%, rgba(122, 62, 161, 0.07), transparent 34%),
    linear-gradient(180deg, #071019 0%, #040910 28%, #040910 100%);
  color: var(--dr-text, #e9f1f7);
}

html[data-theme="dark"] body.dr-single .dr-single-hero-wrap,
html[data-theme="dark"] body.dr-single .dr-single-hero {
  background: transparent;
  color: inherit;
}

/* Below hero: opaque canvas (TT5 preset / group wrappers bleed cream if left transparent). */
html[data-theme="dark"] body.dr-single .dr-single-body-wrap {
  background-color: #040910 !important;
  background-image: linear-gradient(180deg, #040910 0%, #050d14 50%, #040910 100%) !important;
  color: var(--dr-text, #e9f1f7);
}

html[data-theme="dark"] body.dr-single .dr-single-content-wrap,
html[data-theme="dark"] body.dr-single .dr-single-content-wrap > .wp-block-post-content,
html[data-theme="dark"] body.dr-single .wp-block-post-content {
  background-color: #040910 !important;
  background-image: none !important;
  color: inherit;
}

html[data-theme="dark"] body.dr-single .entry-content,
html[data-theme="dark"] body.dr-single .wp-block-post-content.entry-content,
html[data-theme="dark"] body.dr-single article .entry-content {
  background-color: #040910 !important;
  background-image: none !important;
  color: inherit;
}

html[data-theme="dark"] body.dr-single .dr-single-body-wrap > main,
html[data-theme="dark"] body.dr-single .dr-single-body-wrap > article,
html[data-theme="dark"] body.dr-single .dr-single-content-wrap > main,
html[data-theme="dark"] body.dr-single .dr-single-content-wrap > article {
  background-color: #040910 !important;
  background-image: none !important;
  color: inherit;
}

/* TT5 outer wrapper (when present): same canvas so nothing light peeks under the shell. */
html[data-theme="dark"] body.dr-single > .wp-site-blocks,
html[data-theme="dark"] body.dr-single .wp-site-blocks:has(.dr-single-shell) {
  background-color: #040910 !important;
  background-image: none !important;
}

/* Layout groups outside .dr-post (theme “base” bands) — strip preset parchment, not .dr-* article chrome. */
html[data-theme="dark"] body.dr-single .dr-single-body-wrap > .wp-block-group:not([class*="dr-"]),
html[data-theme="dark"] body.dr-single .dr-single-content-wrap > .wp-block-group:not([class*="dr-"]),
html[data-theme="dark"] body.dr-single .wp-block-post-content > .wp-block-group:not([class*="dr-"]) {
  background-color: transparent !important;
  background-image: none !important;
}

html[data-theme="dark"] body.dr-single .dr-single-body-wrap [class*="has-base-background"],
html[data-theme="dark"] body.dr-single .dr-single-body-wrap [class*="has-contrast-background"],
html[data-theme="dark"] body.dr-single .dr-single-content-wrap [class*="has-base-background"],
html[data-theme="dark"] body.dr-single .dr-single-content-wrap [class*="has-contrast-background"] {
  background-color: transparent !important;
  background-image: none !important;
}

/* Top-level TT5 group bands (not the article root .dr-post). */
html[data-theme="dark"] body.dr-single .wp-block-post-content > .wp-block-group.has-background:not(.dr-post) {
  background-color: transparent !important;
  background-image: none !important;
}

/* ==========================================
   13. PHILOSOPHY PREMIUM SYSTEM DIAGRAM FIX
   Keeps Four-Layer blocks wide and cinematic
   ========================================== */

.dr-post .dr-systems-diagram {
  width: 100% !important;
  max-width: 1360px !important;
  margin-inline: auto !important;
  padding: clamp(28px, 5vw, 56px) !important;
  border-radius: 28px !important;
  border: 1px solid var(--dr-border-soft) !important;
  border-left: 4px solid var(--dr-accent) !important;
  background:
    radial-gradient(circle at 8% 0%, color-mix(in srgb, var(--dr-accent) 18%, transparent), transparent 34%),
    radial-gradient(circle at 92% 8%, color-mix(in srgb, var(--dr-accent-2) 12%, transparent), transparent 30%),
    linear-gradient(135deg, color-mix(in srgb, var(--dr-panel) 92%, transparent), color-mix(in srgb, var(--dr-panel-2) 88%, transparent)) !important;
  box-shadow: var(--dr-shadow) !important;
}

.dr-post .dr-systems-diagram h3 {
  margin: 0 0 28px !important;
  max-width: 100% !important;
  font-size: clamp(1.6rem, 3vw, 2.6rem) !important;
}

.dr-post .dr-systems-diagram .dr-definition {
  margin: 0 0 18px !important;
  padding: clamp(20px, 3vw, 30px) !important;
  border-radius: 20px !important;
  border: 1px solid var(--dr-border-soft) !important;
  border-left: 4px solid var(--dr-accent) !important;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--dr-panel) 94%, transparent), color-mix(in srgb, var(--dr-accent) 7%, transparent)) !important;
  box-shadow: var(--dr-shadow-sm) !important;
}

.dr-post .dr-systems-diagram .dr-definition strong {
  display: block;
  margin-bottom: 10px;
  color: var(--dr-heading) !important;
  font-family: var(--dr-font-display);
  font-size: clamp(1.08rem, 1.6vw, 1.35rem);
}

.dr-post .dr-systems-diagram .dr-definition p {
  margin: 0 !important;
}

@media (min-width: 900px) {
  .dr-post .dr-systems-diagram {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px !important;
  }

  .dr-post .dr-systems-diagram h3 {
    grid-column: 1 / -1;
  }

  .dr-post .dr-systems-diagram .dr-definition {
    margin: 0 !important;
  }
}

html[data-theme="sepia"] .dr-post .dr-systems-diagram {
  background:
    radial-gradient(circle at 8% 0%, color-mix(in srgb, var(--dr-accent) 16%, transparent), transparent 34%),
    radial-gradient(circle at 92% 8%, color-mix(in srgb, var(--dr-accent-2) 10%, transparent), transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,0.72), var(--dr-panel-2)) !important;
}

html[data-theme="sepia"] .dr-post .dr-systems-diagram .dr-definition {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.78), color-mix(in srgb, var(--dr-accent) 8%, transparent)) !important;
}
.dr-post .dr-systems-diagram {
  justify-self: center !important;
}

.dr-post .dr-post-section > .dr-systems-diagram {
  margin-top: 28px !important;
  margin-bottom: 34px !important;
}