/*
Theme Name: Manpage
Theme URI: https://gaathastory.com
Author: gaathastory
Description: Clean, documentation-style WordPress theme inspired by Unix manpage readability.
Version: 4.0
License: GNU General Public License v2
Text Domain: manpage
*/

/*
  CHANGELOG v4.0
  FIX 1 — Mobile nav: .main-navigation position relative anchoring fixes.
  FIX 2 — Full Site-Wide Sidebar TOC Deprecation: Cleaned out redundant split tracks.
  FIX 3 — Content Area Shielding: Fixed inline block text wrapper overflow limits.
  FIX 4 — Typographic Anti-Overflow: Hardened word-breaking rules on technical strings.
  FIX 5 — Design Requests: Applied light orange borders to images and dark grey to footer navigation.
*/

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Serif:ital,wght@0,300;0,400;0,600;1,400&display=swap');

/* === Design Tokens === */
:root {
  --color-bg:             #f8f6f1;
  --color-surface:        #faf9f6;
  --color-surface-offset: #eeebe4;
  --color-divider:        #d8d4cb;
  --color-border:         #ccc8bf;
  --color-image-accent:   #e67e22; /* Light orange border accent token */
  --color-text:           #1e1c17;
  --color-text-muted:     #6b6860;
  --color-text-faint:     #b0ada7;
  --color-primary:        #2e6b6e;
  --color-primary-hover:  #1f4e51;
  --color-code-bg:        #eeebe4;
  --color-code-text:      #2b2925;

  /* Customizer-overridden fallbacks */
  --site-bg:            var(--color-bg);
  --site-text:          var(--color-text);
  --header-bg:          var(--color-bg);
  --header-text:        var(--color-text);
  --footer-bg:          var(--color-surface-offset);
  --footer-text:        var(--color-text-muted);
  --prose-width:        68ch;
  --page-max-width:     1060px;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.4rem);
  --text-xl:   clamp(1.4rem,   1.1rem  + 1vw,    1.875rem);
  --text-2xl:  clamp(1.75rem,  1.2rem  + 1.5vw,  2.5rem);

  --space-1: .25rem; --space-2: .5rem;  --space-3: .75rem;
  --space-4: 1rem;   --space-6: 1.5rem; --space-8: 2rem;
  --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem;

  --mobile-edge: 10px;

  --font-body: 'IBM Plex Serif', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 3px rgba(30,28,23,.07);
  --shadow-md: 0 4px 12px rgba(30,28,23,.09);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:             #161411;
    --color-surface:        #1b1917;
    --color-surface-offset: #222018;
    --color-divider:        #2c2a25;
    --color-border:         #38352e;
    --color-text:           #d4d0c8;
    --color-text-muted:     #888580;
    --color-text-faint:     #504e49;
    --color-primary:        #5fa8ab;
    --color-primary-hover:  #7ec3c6;
    --color-code-bg:        #222018;
    --color-code-text:      #d0ccbf;
  }
}

/* === Base Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--site-text);
  background: var(--site-bg);
}

/* Global Responsive Media Shield with Orange Border Integration */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100% !important;
  height: auto !important;
}
iframe {
  max-width: 100%;
  border: none;
}

input, button, textarea, select { font: inherit; color: inherit; }

/* Typographic Anti-Overflow Layout Guards */
h1, h2, h3, h4, h5, h6 { 
  text-wrap: balance; 
  line-height: 1.25; 
  overflow-wrap: break-word; 
  word-break: break-word; 
}
p, li { 
  text-wrap: pretty; 
  overflow-wrap: break-word; 
  word-break: break-word; 
}
a:hover { color: var(--color-primary-hover); }
button { cursor: pointer; background: none; border: none; }
a:focus-visible, button:focus-visible {
    outline: 2px dashed var(--color-primary);
    outline-offset: 4px;
}

/* Video/Iframe Containers */
.wp-block-embed__wrapper,
.embed-responsive,
.entry-content .wp-block-embed iframe,
.entry-content .fluid-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.wp-block-embed__wrapper iframe,
.embed-responsive iframe,
.entry-content .fluid-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Content Element Custom Scaling Modifications */
.entry-content img,
.entry-content figure img,
.wp-block-image img,
.wp-post-image,
.attachment-post-thumbnail,
.size-full,
.size-large,
.size-medium {
  max-width: 100% !important;
  height: auto !important;
  width: auto;
  border: 2px solid var(--color-image-accent); /* Added uniform orange borders */
  border-radius: 4px;
}
.entry-content figure,
.wp-block-image {
  max-width: 100%;
  margin-inline: 0;
}

/* === Site Header Layout === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  color: var(--header-text);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  position: relative;
}

.site-title {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--header-text);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex-shrink: 1;
}
.site-title:hover { color: var(--color-primary); }

/* === Main Navigation — Desktop === */
.main-navigation {
  position: static;
}
.main-navigation ul {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}
.main-navigation a {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: #4a4842; /* Updated: Custom dark grey text color selection */
  opacity: .9;    /* Increased slightly for better legibility against the light background */
  text-decoration: none;
  transition: opacity var(--transition);
}
.main-navigation a:hover { 
  opacity: 1; 
  color: var(--color-primary); /* Keeps your clean hover transition effect */
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  color: var(--header-text);
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: none;
  flex-shrink: 0;
  transition: background var(--transition);
}
.nav-toggle:hover { background: var(--color-surface-offset); }
.nav-toggle svg { display: block; pointer-events: none; }

/* === Clean Unified Page Layout Matrix === */
.page-wrapper {
  display: grid;
  grid-template-columns: 1fr; 
  grid-template-areas: "content"; 
  max-width: var(--page-max-width);
  margin: 0 auto;
  min-height: calc(100dvh - 64px);
}

.content-area { 
  grid-area: content; 
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding: var(--space-12) var(--space-8) var(--space-16); 
  min-width: 0; 
}

/* === Feature Image Formatting === */
.post-thumbnail {
  margin-bottom: var(--space-8);
  border-radius: 4px;
  overflow: hidden;
  max-width: min(var(--prose-width), 100%);
}
.post-thumbnail img {
  width: 100% !important;
  height: auto !important;
  display: block;
  object-fit: cover;
  max-height: 420px;
  border: 2px solid var(--color-image-accent); /* Added light orange border style layout */
}

/* === Entry Header Elements === */
.entry-header {
  margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: var(--space-8);
}
.entry-title {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.entry-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
body.hide-author .entry-meta .author { display: none; }

/* === Core Prose Containment Area === */
.entry-content { max-width: min(var(--prose-width), 100%); }
.entry-content h2, .entry-content h1 {
  font-family: var(--font-mono); font-size: var(--text-xl); font-weight: 600;
  color: var(--color-text); margin-top: var(--space-12); margin-bottom: var(--space-4);
  padding-bottom: var(--space-2); border-bottom: 1px solid var(--color-divider);
  scroll-margin-top: var(--space-16);
}
.entry-content h3 {
  font-family: var(--font-mono); font-size: var(--text-lg); font-weight: 500;
  color: var(--color-text); margin-top: var(--space-8); margin-bottom: var(--space-3);
  scroll-margin-top: var(--space-16);
}
.entry-content h4 {
  font-family: var(--font-mono); font-size: var(--text-base); font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-muted);
  margin-top: var(--space-6); margin-bottom: var(--space-2);
}
.entry-content p { margin-bottom: var(--space-4); max-width: min(var(--prose-width), 100%); }
.entry-content ul, .entry-content ol { margin: var(--space-4) 0; padding-left: var(--space-6); }
.entry-content li { margin-bottom: var(--space-2); max-width: min(var(--prose-width), 100%); }
.entry-content ul > li { list-style-type: disc; }
.entry-content dl { margin: var(--space-4) 0; }
.entry-content dt { font-family: var(--font-mono); font-weight: 500; color: var(--color-text); margin-top: var(--space-4); }
.entry-content dd { padding-left: var(--space-6); color: var(--color-text-muted); margin-bottom: var(--space-2); }

/* Monospace Protection Setup */
.entry-content code {
  font-family: var(--font-mono); 
  font-size: .875em; 
  background: var(--color-code-bg);
  color: var(--color-code-text); 
  padding: .1em .35em; 
  border-radius: 3px; 
  white-space: normal; 
  overflow-wrap: break-word; 
  word-break: break-word;
}
.entry-content pre {
  background: var(--color-code-bg); border: 1px solid var(--color-border); border-radius: 4px;
  padding: var(--space-6); overflow-x: auto; margin: var(--space-6) 0;
  font-family: var(--font-mono); font-size: var(--text-sm); line-height: 1.65;
  max-width: 100%;
  white-space: pre-wrap;
  word-break: break-word;
}
.entry-content pre code { background: none; padding: 0; font-size: inherit; white-space: pre; word-break: normal; }
.entry-content blockquote {
  border-left: 3px solid var(--color-border); margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6); color: var(--color-text-muted);
  font-style: italic; background: var(--color-surface);
}

/* Data Table Presentation Scrolling Engine */
.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-6) 0;
  border: 1px solid var(--color-divider);
  border-radius: 4px;
}
.entry-content table {
  width: 100%;
  min-width: 480px; 
  border-collapse: collapse;
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  margin: 0; 
}
.entry-content th {
  text-align: left; border-bottom: 2px solid var(--color-border);
  padding: var(--space-2) var(--space-3); color: var(--color-text-muted);
  font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: var(--text-xs);
}
.entry-content td { padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-divider); vertical-align: top; }
.entry-content tr:last-child td { border-bottom: none; }
.entry-content hr { border: none; border-top: 1px solid var(--color-divider); margin: var(--space-10) 0; }
.entry-content strong { font-weight: 600; color: var(--color-text); }
.entry-content em { font-style: italic; color: var(--color-text-muted); }

/* Global Visibility Control Tags Classes Hooks */
body.hide-tags .post-tags,
body.hide-tags .tags-links,
body.hide-tags .wp-block-post-terms,
body.hide-tags .tag-cloud-link { display: none !important; }
body.hide-comments #comments,
body.hide-comments .comment-respond,
body.hide-comments .comments-area { display: none !important; }

/* === Desktop Full-Size Archive Layout Rules === */
.archive-grid { 
  display: grid; 
  gap: var(--space-10); 
}
.archive-entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}
.archive-entry:last-child { border-bottom: none; }

.archive-thumbnail { 
  border-radius: 4px; 
  overflow: hidden; 
  width: 100%;
}
.archive-thumbnail img { 
  width: 100% !important; 
  height: auto !important; 
  max-height: 480px; 
  object-fit: cover; 
  display: block; 
  border: 2px solid var(--color-image-accent); /* Added light orange border mapping choice */
}

.archive-entry-title { font-family: var(--font-mono); font-size: var(--text-lg); font-weight: 500; margin-bottom: var(--space-2); }
.archive-entry-title a { color: var(--color-text); text-decoration: none; }
.archive-entry-title a:hover { color: var(--color-primary); }
.archive-entry-meta { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-faint); margin-bottom: var(--space-3); display: flex; gap: var(--space-3); flex-wrap: wrap; }
body.hide-author .archive-entry-meta .author { display: none; }
.archive-entry-excerpt { font-size: var(--text-sm); color: var(--color-text-muted); }
.archive-entry-readmore {
  display: inline-block; margin-top: var(--space-3); font-family: var(--font-mono);
  font-size: var(--text-xs); color: var(--color-primary); text-decoration: none;
}
.archive-entry-readmore:hover { color: var(--color-primary-hover); }

.synopsis {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 4px;
  padding: var(--space-4) var(--space-6); font-family: var(--font-mono);
  font-size: var(--text-sm); margin: var(--space-6) 0;
}
.entry-header .synopsis + hr,
.entry-header hr { display: none; }

/* === Site Footer Section === */
.site-footer {
  border-top: 1px solid var(--color-divider);
  background: var(--footer-bg);
  color: var(--footer-text);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.footer-navigation {
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}
.footer-navigation ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  list-style: none;
  justify-content: center;
}
.footer-navigation a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: #4a4842; /* Modified: Custom dark grey text color definition choice */
  text-decoration: none;
  opacity: .9;
  transition: opacity var(--transition), color var(--transition);
}
.footer-navigation a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.footer-credits {
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  text-align: center;
}

/* === System Back-to-Top Navigation Widget === */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 200;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  box-shadow: var(--shadow-md);
}
.back-to-top:hover { background: var(--color-primary-hover); }
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top svg { display: block; }

/* === Complete Table of Contents Suppression Settings === */
.sidebar-toc,
.toc-toggle,
.toc-title,
.toc-list {
  display: none !important;
  visibility: hidden !important;
  width: 0 !important;
  height: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  border: none !important;
}

/* ======================================================================
   SINGLE CONSOLIDATED RESPONSIVE BREAKPOINT <=900px
====================================================================== */
@media (max-width: 900px) {
  .page-wrapper {
    grid-template-columns: 1fr;
    grid-template-areas: "content";
    max-width: 100%;
    margin: 0;
  }

  .content-area { padding: var(--space-8) var(--mobile-edge) var(--space-12); }
  .no-sidebar .content-area { padding-inline: var(--mobile-edge); }
  .site-header { padding: var(--space-3) var(--mobile-edge); }
  .nav-toggle { display: flex; }

  /* Mobile Archive Order Tweak: Moves featured graphic above heading titles */
  .archive-entry.has-thumbnail {
    display: flex;
    flex-direction: column; 
    gap: var(--space-4);
  }
  .archive-entry.has-thumbnail .archive-thumbnail {
    order: 1; 
    width: 100%;
  }
  .archive-entry.has-thumbnail .archive-entry-body {
    order: 2; 
    width: 100%;
  }

 /* Hamburger Navigation Dropdown Overlay Structure */
  .main-navigation { position: static; }
  .main-navigation ul {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--header-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-2) var(--mobile-edge) var(--space-4);
    box-shadow: var(--shadow-md);
    z-index: 99;
    transform-origin: top center;
  }
  .main-navigation ul.nav-open { display: flex; }
  .main-navigation li + li { border-top: 1px solid var(--color-divider); }
  .main-navigation a {
    display: block;
    padding: var(--space-3) 0;
    color: #4a4842; /* Updated: Dark grey for layout clarity on mobile screens */
    opacity: 1;
    font-size: var(--text-base);
  }

  .back-to-top {
    bottom: var(--mobile-edge);
    right: var(--mobile-edge);
  }
  .footer-navigation {
    padding: var(--space-4) var(--mobile-edge);
    gap: var(--space-2) var(--space-4);
  }
  .footer-navigation ul { gap: var(--space-2) var(--space-4); }
  .footer-credits { padding: var(--space-4) var(--mobile-edge); }

  img, iframe, video, embed, object {
    max-width: 100% !important;
    height: auto;
  }
  .entry-content figure,
  .wp-block-image,
  .wp-block-embed {
    max-width: 100% !important;
    overflow: hidden;
  }
}

/* === System Performance Reduced Motion Setup === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}