/* article.css – rebooted for dark toggle, video compatibility, and Wikipedia style */

/* ======= Base Typography and Layout ======= */
body {
  font-family: 'Linux Libertine', Georgia, Times, serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg-main);
  color: var(--text-main);
}

h1, h2 {
  font-family: 'Linux Libertine', Georgia, Times, serif;
}

p {
  line-height: 1.6;
  margin: 1em 0;
}

/* ======= Header and Footer ======= */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-secondary);
  padding: 0.8em 1em;
}

#logo {
  height: 50px;
}

footer {
  text-align: center;
  padding: 1em;
  font-size: 0.9em;
  color: var(--text-muted);
}

/* ======= Grid Layout ======= */
#content-wrapper {
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  gap: 20px;
  max-width: 1200px;
  margin: 2em auto;
  padding: 0 1em;
}

main#content {
  padding: 2em;
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-main);
}

/* ======= Sidebar: TOC and Settings ======= */
nav#toc,
aside#settings-bar {
  background-color: var(--bg-secondary);
  padding: 1em;
  font-size: 0.9em;
  position: sticky;
  top: 1em;
  max-height: calc(100vh - 4em);
  overflow-y: auto;
}

aside#settings-bar {
  height: fit-content;
}

/* ======= Infobox ======= */
aside#infobox {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1em;
  float: right;
  width: 250px;
  margin: 0 0 1em 1em;
}

aside#infobox img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 8px;
}

aside#infobox table {
  width: 100%;
  border-collapse: collapse;
}

aside#infobox caption,
aside#infobox th {
  background-color: var(--bg-box);
  font-weight: bold;
  padding: 0.5em;
  text-align: center;
}

aside#infobox td {
  padding: 0.5em;
  border: 1px solid var(--border-color);
}

/* ======= Tables ======= */
.wikitable {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
  background-color: var(--bg-secondary);
}

.wikitable th,
.wikitable td {
  border: 1px solid var(--border-color);
  padding: 8px;
  text-align: left;
}

.wikitable caption {
  background-color: var(--bg-box);
  font-weight: bold;
  padding: 8px;
}

/* ======= Placeholders (Images, Video, Audio) ======= */
.image-placeholder,
.video-placeholder,
.audio-placeholder,
.gif-placeholder {
  float: right;
  margin: 0 0 1em 1em;
  width: 250px;
  padding: 5px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-box);
}

.image-placeholder img,
.gif-placeholder img,
.video-placeholder iframe,
.audio-placeholder audio {
  width: 100%;
  display: block;
  margin-bottom: 5px;
}

.image-placeholder p,
.gif-placeholder p,
.video-placeholder p,
.audio-placeholder p {
  font-size: 0.9em;
  text-align: center;
  color: var(--text-muted);
  margin: 0;
}

/* ======= Video-Specific Styling ======= */
.video-frame-wrapper {
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1em;
  transition: background 0.3s ease;
  background-color: var(--bg-box);
  border: 1px solid var(--border-color);
}

.video-caption {
  font-size: 0.9em;
  text-align: center;
  margin-top: 5px;
  color: var(--text-muted);
}

.video-frame-wrapper.dark-wrapper {
  background-color: #000 !important;
  border-color: #444 !important;
}

.video-frame-wrapper.light-wrapper {
  background-color: #f9f9f9 !important;
  border-color: #ccc !important;
}

.video-frame-wrapper.dark-wrapper iframe {
  filter: brightness(0.85) contrast(1.1);
}

/* ======= Blockquotes ======= */
blockquote,
.quote-callout {
  border-left: 2px solid #444;
  padding: 1em;
  margin: 1.5em 0;
  font-style: italic;
  background-color: var(--bg-box);
  color: var(--text-main);
  border-radius: 4px;
}

/* ======= Lightbox ======= */
#lightbox-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.95);
  text-align: center;
}

#lightbox-modal img {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80vh;
  border-radius: 10px;
}

#lightbox-close {
  position: absolute;
  top: 30px;
  right: 45px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  z-index: 10000;
}

#lightbox img:hover {
  cursor: zoom-out;
}

/* ======= Theme Variables ======= */
:root {
  --bg-main: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-box: #f9f9f9;
  --text-main: #202122;
  --text-muted: #777;
  --border-color: #eaecf0;
}

html[data-theme="dark"] {
  --bg-main: #121212;
  --bg-secondary: #1e1e1e;
  --bg-box: #2a2a2a;
  --text-main: #f5f5f5;
  --text-muted: #aaa;
  --border-color: #444;
}

/* ======= Responsive Styling ======= */
@media (max-width: 768px) {
  body {
    font-size: 16px;
    line-height: 1.6;
    padding: 0 10px;
  }

  header,
  footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  #content-wrapper {
    display: block;
    width: 100%;
    padding: 0;
  }

  nav#toc,
  aside#settings-bar {
    display: none;
  }

  #content {
    width: 100%;
    padding: 0;
    margin: 0 auto;
  }

  aside#infobox,
  .image-placeholder {
    float: none !important;
    margin: 1em auto;
    width: 100% !important;
    max-width: 100%;
    display: block;
    text-align: center;
  }

  .wikitable {
    font-size: 0.95em;
    width: 100%;
    overflow-x: auto;
    display: block;
  }

  img {
    max-width: 100%;
    height: auto;
  }

  ul, ol {
    padding-left: 1.2em;
  }

  .references-list {
    padding-left: 1.4em;
  }

  .radio-group label {
    font-size: 0.9em;
  }

  #toc-toggle {
    display: block;
  }

  #toc {
    display: none;
    position: absolute;
    top: 60px;
    left: 10px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 1em;
    max-width: 80%;
    z-index: 998;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  }
}