/*
Theme Name: Pongery Editorial E-E-A-T
Theme URI: https://flowmusic.app
Author: Pongery Performance Engineering
Author URI: https://flowmusic.app
Description: High-readability, ultra-fast editorial WordPress theme engineered specifically for long-form personal finance, insurance, and authority publications. Built for zero Cumulative Layout Shift (CLS), high AdSense CTR, and optimal dwell time.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pongery-editorial
Tags: blog, news, e-commerce, custom-colors, custom-menu, featured-images, flexible-header, full-width-template, theme-options, translation-ready
*/

/* ==========================================================================
   1. CSS Reset & Variables (Eye-Care & High-Legibility Standard)
   ========================================================================== */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Merriweather", Georgia, Cambria, "Times New Roman", Times, serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Default Eye-Care Warm Paper (Eliminates Glare & Eye Fatigue) */
  --color-bg: #fbfbfa;            /* Soft warm paper (Kindle / Substack reading standard) */
  --color-surface: #f3f3f0;
  --color-surface-hover: #eae9e4;
  --color-border: #d4d4d8;        /* Clear, solid division */
  --color-text-main: #18181b;     /* Deep readable charcoal black (zero harsh glare) */
  --color-text-muted: #3f3f46;    /* Dark legible gray (AAA contrast ratio > 8:1) */
  --color-text-subtle: #52525b;   /* Crisp secondary text (minimum 13px) */
  
  --color-primary: #1e3a8a;       /* Authoritative deep navy */
  --color-primary-hover: #172554;
  --color-accent: #0284c7;        /* Clean sky blue */
  --color-accent-light: #e0f2fe;
  --color-success: #047857;
  --color-success-bg: #ecfdf5;
  --color-warning-bg: #fffbeb;
  --color-warning-border: #d97706;

  /* Comfortable Reading Metrics */
  --content-max-width: 700px;
  --page-max-width: 1200px;
  --sidebar-width: 320px;
  --line-height-body: 1.85;       /* Generous line height for effortless reading */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
}

/* Sepia Eye-Care Palette (Optimal for sensitive eyes / prolonged reading) */
[data-reading-preset="sepia"] {
  --color-bg: #f4ede1;
  --color-surface: #ebdcc9;
  --color-surface-hover: #e2d1bb;
  --color-border: #cbbaa5;
  --color-text-main: #2b1f17;     /* Rich espresso */
  --color-text-muted: #4a3a2e;
  --color-text-subtle: #6b5545;
  --color-primary: #7c2d12;
  --color-accent: #9a3412;
  --color-accent-light: #fed7aa;
}

/* Crisp Clean White Palette */
[data-reading-preset="crisp"] {
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-hover: #f1f5f9;
  --color-border: #cbd5e1;
  --color-text-main: #090d16;
  --color-text-muted: #334155;
  --color-text-subtle: #475569;
}

/* Midnight Calm (Gentle Dark Mode, No Blinding High-Contrast Neon Glare) */
[data-theme="dark"],
[data-reading-preset="midnight"] {
  --color-bg: #12151e;            /* Soft midnight slate (no pitch-black OLED glare) */
  --color-surface: #1a1e2b;
  --color-surface-hover: #232838;
  --color-border: #333a4d;
  --color-text-main: #f8fafc;     /* Soft warm white (gentle on eyes) */
  --color-text-muted: #cbd5e1;    /* Bright legible slate */
  --color-text-subtle: #94a3b8;
  --color-primary: #38bdf8;
  --color-primary-hover: #7dd3fc;
  --color-accent: #38bdf8;
  --color-accent-light: rgba(56, 189, 248, 0.18);
  --color-success: #34d399;
  --color-success-bg: rgba(52, 211, 153, 0.18);
  --color-warning-bg: rgba(251, 191, 36, 0.18);
  --color-warning-border: #b45309;
}

/* Ultra High-Contrast Mode */
body.pongery-high-contrast {
  --color-text-main: #000000;
  --color-text-muted: #18181b;
  --color-border: #71717a;
}

[data-theme="dark"] body.pongery-high-contrast {
  --color-bg: #090b10;
  --color-text-main: #ffffff;
  --color-text-muted: #e4e4e7;
  --color-border: #52525b;
}

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

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 18px;                /* Comfortable 18px default */
  line-height: var(--line-height-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   2. Layout Containers
   ========================================================================== */
.pongery-site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.pongery-container {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.pongery-article-layout {
  display: flex;
  gap: 48px;
  padding: 32px 0 64px;
}

.pongery-main-content {
  flex: 1;
  min-width: 0;
  max-width: 100%;
}

.pongery-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .pongery-article-layout {
    flex-direction: column;
    gap: 32px;
  }
  .pongery-sidebar {
    width: 100%;
  }
}

/* ==========================================================================
   3. Single Article Typography & Header
   ========================================================================== */
.pongery-entry-header {
  margin-bottom: 28px;
}

.pongery-breadcrumbs {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.pongery-breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

.pongery-pillar-tag {
  display: inline-block;
  background: #0f172a;            /* Solid dark slate */
  color: #ffffff !important;       /* Pure white - 15:1 contrast ratio */
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  text-decoration: none;
  font-family: var(--font-mono);
}

[data-theme="dark"] .pongery-pillar-tag {
  background: #f8fafc;
  color: #0f172a !important;
}

.pongery-entry-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--color-text-main);
  margin: 0 0 18px;
}

@media (max-width: 768px) {
  .pongery-entry-title {
    font-size: 28px;
  }
}

/* E-E-A-T Author & Credibility Meta Bar */
.pongery-eeat-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 28px;
  font-size: 13.5px;
}

.pongery-author-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pongery-author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border);
}

.pongery-author-details {
  line-height: 1.35;
}

.pongery-author-name {
  font-weight: 700;
  color: var(--color-text-main);
}

.pongery-author-title {
  color: var(--color-text-muted);
  font-size: 12px;
}

.pongery-audit-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(5, 150, 105, 0.25);
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
}

/* ==========================================================================
   4. Article Body Content & Specialized Gemini Components
   ========================================================================== */
.pongery-entry-content {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-text-main);
  max-width: var(--content-max-width);
}

.pongery-entry-content p {
  margin: 0 0 24px;
}

.pongery-entry-content h2 {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  margin: 44px 0 18px;
  color: var(--color-text-main);
  scroll-margin-top: 80px;
}

.pongery-entry-content h3 {
  font-family: var(--font-sans);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  margin: 32px 0 14px;
  color: var(--color-text-main);
  scroll-margin-top: 80px;
}

/* Key Takeaways Callout Box (Generated by Gemini) */
.ouwa-key-takeaways,
.pongery-takeaways {
  font-family: var(--font-sans);
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  margin: 32px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.ouwa-key-takeaways strong,
.pongery-takeaways strong {
  display: block;
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.ouwa-key-takeaways ul,
.pongery-takeaways ul {
  margin: 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text-main);
}

.ouwa-key-takeaways li,
.pongery-takeaways li {
  margin-bottom: 8px;
}

/* Real-World Mathematical Cost Breakdown Tables */
.pongery-calc-box,
.ouwa-cost-breakdown {
  font-family: var(--font-sans);
  margin: 34px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.pongery-entry-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin: 24px 0;
  text-align: left;
}

.pongery-entry-content th {
  background: var(--color-surface);
  color: var(--color-text-main);
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 2px solid var(--color-border);
}

.pongery-entry-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.pongery-entry-content tr:last-child td {
  border-bottom: none;
}

/* FAQ Accordion Section (Gemini Schema.org Entity) */
.pongery-faq-wrapper {
  margin: 44px 0;
}

.pongery-faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.pongery-faq-item summary {
  padding: 16px 20px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  background: var(--color-surface);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-main);
}

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

.pongery-faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-text-muted);
}

.pongery-faq-item[open] summary::after {
  content: "−";
}

.pongery-faq-content {
  padding: 18px 20px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--color-text-main);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

/* ==========================================================================
   5. Zero-CLS AdSense Zones
   ========================================================================== */
.pongery-ad-zone {
  margin: 32px 0;
  text-align: center;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px;
  position: relative;
  overflow: hidden;
}

.pongery-ad-zone::before {
  content: "ADVERTISEMENT";
  display: block;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.pongery-ad-zone.header-leaderboard {
  min-height: 100px;
  margin: 16px auto;
  max-width: 728px;
}

.pongery-ad-zone.in-article-mid {
  min-height: 280px;
  max-width: var(--content-max-width);
}

.pongery-ad-zone.sidebar-sticky {
  min-height: 600px;
  position: sticky;
  top: 90px;
}

/* ==========================================================================
   6. Sticky Table of Contents & Social Share Bar
   ========================================================================== */
.pongery-toc-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 28px;
}

.pongery-toc-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-main);
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pongery-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
}

.pongery-toc-list li {
  margin-bottom: 6px;
}

.pongery-toc-list a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.pongery-toc-list a:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   7. Author Bio Box & E-E-A-T Footnotes
   ========================================================================== */
.pongery-author-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 48px 0;
  display: flex;
  gap: 22px;
  align-items: flex-start;
}

.pongery-author-box img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  flex-shrink: 0;
}

.pongery-author-box h4 {
  margin: 0 0 6px;
  font-size: 18px;
  color: var(--color-text-main);
}

.pongery-author-box p {
  margin: 0;
  font-size: 14.5px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Financial Editorial Disclaimer */
.pongery-disclaimer {
  font-size: 12px;
  color: var(--color-text-subtle);
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  margin-top: 36px;
  line-height: 1.6;
}