:root {
  --bg-color: #fbf7f0f1;
  --text-color: #1f1f1d;
  --text-muted-color: #6e6e6a;
  --link-color: #3d7695c3;
  --link-hover-color: #597582;
  --border-color: #c1bbb0;
  --sidebar-bg-color: transparent;
  --dark-bg-color: #212020;
  --dark-text-color: #f8f5eedd;
  --dark-text-muted-color: #8a8a8a;
  --dark-link-color: #858585;
  --dark-link-hover-color: #809cb0;
  --dark-border-color: #3a3a3a;
  --dark-sidebar-bg-color: transparent;
  --sidebar-width: 200px;
  --max-content-width: 700px;
  --body-margin: 20px;
  --grid-gap: 30px;
  --font-body: 'Inter', Arial, Helvetica, sans-serif;
  --font-heading: 'Source Serif Pro', Georgia, "Times New Roman", Times, serif;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 17px; color-scheme: light dark; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--bg-color);
  margin: var(--body-margin);
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--grid-gap);
  transition: background-color 0.15s ease, color 0.15s ease;
}
a { color: var(--link-color); text-decoration: underline; transition: color 0.15s ease; }
a:hover { color: var(--link-hover-color); }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  color: inherit;
}
h1 { font-size: 2.1em; margin-top: 0; }
h2 { font-size: 1.65em; }
h3 { font-size: 1.4em; }
p { margin-bottom: 1.1em; }
ul, ol { margin-bottom: 1em; padding-left: 40px; }
li { margin-bottom: 0.3em; }
hr { border: 0; height: 1px; background-color: var(--border-color); margin: 2.5em 0; transition: background-color 0.15s ease; }

.sidebar {
  grid-column: 1 / 2;
  font-size: 0.9em;
  line-height: 1.5;
  padding-top: 5px;
  border-right: 1px solid var(--border-color);
  padding-right: var(--grid-gap);
  background-color: var(--sidebar-bg-color);
}
.main-content {
  grid-column: 2 / 3;
  max-width: var(--max-content-width);
  padding-bottom: var(--body-margin);
}
.sidebar h2 {
  font-size: 1em; font-weight: 600; text-transform: none; letter-spacing: normal;
  margin-bottom: 1em; margin-top: 0; border-bottom: none; color: var(--text-muted-color);
  transition: color 0.15s ease; margin-left: 0; text-indent: 0;
}
.sidebar ul { list-style: none; padding-left: 0; }
.sidebar li { margin-bottom: 0.5em; }
.sidebar a { display: block; text-decoration: none; color: var(--link-color); padding: 2px 0; }
.sidebar a:hover { text-decoration: underline; color: var(--link-hover-color); }
.sidebar a[aria-current="page"] { font-weight: 600; color: var(--text-color); text-decoration: none; }
.sidebar a[aria-current="page"]:hover { color: var(--text-color); text-decoration: none; }
.sidebar-back-link { font-size: 0.9em; color: var(--text-muted-color); text-decoration: none; display: block; margin-top: 5px; }
.sidebar-back-link:hover { color: var(--link-hover-color); text-decoration: underline; }

.site-header {
  margin-bottom: 2.5em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5em;
  transition: border-color 0.15s ease;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}
.site-branding h1 { margin-bottom: 0.1em; }
.site-tagline { font-size: 1em; color: var(--text-muted-color); margin-top: 0.2em; margin-bottom: 0; transition: color 0.15s ease; }
.site-author { text-align: right; padding-top: 0px; font-size: 0.9em; }
.author-name { font-family: var(--font-heading); font-weight: 600; font-size: 1.1em; color: var(--text-color); margin-top: 1.5em; margin-bottom:0em; }
.author-email { color: var(--text-muted-color); text-decoration: none; font-size: 0.95em; }
.author-email:hover { color: var(--link-hover-color); text-decoration: underline; }

#post-display-area { min-height: 100px; }
#post-display-area article { margin-bottom: 2.5em; padding-bottom: 1em; }
.post-meta { font-size: 0.8em; color: var(--text-muted-color); margin-bottom: 0.2em; transition: color 0.15s ease; }
#post-display-area img { max-width: 100%; max-height: 80vh; width: auto; height: auto; display: block; margin: 1.1em auto; }

#buttondown-embed-wrapper { margin-top: 3em; padding-top: 1.5em; border-top: 1px solid var(--border-color); text-align: center; transition: border-color 0.15s ease;}
.embeddable-buttondown-form label { display: block; margin-bottom: 0.6em; color: var(--text-muted-color); font-size: 0.95em; }
.embeddable-buttondown-form input[type="email"] { font-size: 0.95em; padding: 8px 10px; border: 1px solid var(--border-color); background-color: var(--bg-color); color: var(--text-color); border-radius: 3px; margin-right: 6px; min-width: 220px; vertical-align: middle; transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease; }
.embeddable-buttondown-form input[type="submit"] { font-size: 0.95em; padding: 8px 15px; border: 1px solid var(--link-color); background-color: var(--link-color); color: var(--bg-color); cursor: pointer; border-radius: 3px; vertical-align: middle; -webkit-appearance: none; appearance: none; transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease; }
.embeddable-buttondown-form input[type="submit"]:hover { background-color: var(--link-hover-color); border-color: var(--link-hover-color); }
.site-footer-main { margin-top: 1.5em; padding-top: 1.5em; border-top: 1px solid var(--border-color); font-size: 0.8em; color: var(--text-muted-color); text-align: center; transition: border-color 0.15s ease, color 0.15s ease; }
.theme-switcher { position: fixed; top: var(--body-margin); right: var(--body-margin); font-size: 0.8em; z-index: 10; }
.theme-switcher button { background: none; border: none; color: var(--link-color); cursor: pointer; padding: 2px 4px; text-decoration: underline; font-size: inherit; transition: color 0.15s ease; }
.theme-switcher button:hover { color: var(--link-hover-color); }

@media (max-width: 650px) {
  body { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--border-color); padding-right: 0; padding-bottom: 20px; }
  .embeddable-buttondown-form input[type="email"], .embeddable-buttondown-form input[type="submit"] { display: block; width: 90%; margin: 0 auto 10px auto; }
  .theme-switcher { position: absolute; top: 5px; right: 5px; }
}
@media (max-width: 480px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .site-author { text-align: left; padding-top: 1em; }
}

body.dark-mode { color: var(--dark-text-color); background-color: var(--dark-bg-color); }
body.dark-mode a { color: var(--dark-link-color); }
body.dark-mode a:hover { color: var(--dark-link-hover-color); }
body.dark-mode hr { background-color: var(--dark-border-color); }
body.dark-mode .sidebar { border-color: var(--dark-border-color); }
body.dark-mode .sidebar h2 { color: var(--dark-text-muted-color); }
body.dark-mode .sidebar a { color: var(--dark-link-color); }
body.dark-mode .sidebar a:hover { color: var(--dark-link-hover-color); }
body.dark-mode .sidebar a[aria-current="page"] { color: var(--dark-text-color); }
body.dark-mode .sidebar-back-link { color: var(--dark-text-muted-color); }
body.dark-mode .sidebar-back-link:hover { color: var(--dark-link-hover-color); }
body.dark-mode .site-header { border-color: var(--dark-border-color); }
body.dark-mode .site-tagline { color: var(--dark-text-muted-color); }
body.dark-mode .author-name { color: var(--dark-text-color); }
body.dark-mode .author-email { color: var(--dark-text-muted-color); }
body.dark-mode .post-meta { color: var(--dark-text-muted-color); }
body.dark-mode #buttondown-embed-wrapper { border-top-color: var(--dark-border-color);}
body.dark-mode .embeddable-buttondown-form label { color: var(--dark-text-muted-color); }
body.dark-mode .embeddable-buttondown-form input[type="email"] { border-color: var(--dark-border-color); background-color: var(--dark-bg-color); color: var(--dark-text-color); }
body.dark-mode .embeddable-buttondown-form input[type="submit"] { border-color: var(--dark-link-color); background-color: var(--dark-link-color); color: var(--dark-bg-color); }
body.dark-mode .embeddable-buttondown-form input[type="submit"]:hover { background-color: var(--dark-link-hover-color); border-color: var(--dark-link-hover-color); }
body.dark-mode .site-footer-main { border-color: var(--dark-border-color); color: var(--dark-text-muted-color); }
body.dark-mode .theme-switcher button { color: var(--dark-link-color); }
body.dark-mode .theme-switcher button:hover { color: var(--dark-link-hover-color); }

.poem { font-family: var(--font-body); font-size: 1.05em; line-height: 1.8; white-space: pre-wrap; }
.prose { font-family: var(--font-body); font-size: 1.0em; line-height: 1.8; white-space: pre-wrap; }
.log-entry { margin-bottom: 2.5em; }
.log-entry hr { margin-top: 2em; margin-bottom: 0; }
.log-image-wrapper { max-width: 500px; margin-top: 1.5em; margin-bottom: 1.5em; margin-left: auto; margin-right: auto; border-radius: 4px; overflow: hidden; }
.log-image-wrapper img { display: block; width: 100%; height: auto; }

/* YouTube Embedder Styles */
.youtube-embed-form {
  margin-top: 2em;
  margin-bottom: 2em;
}

.youtube-embed-form label {
  display: block;
  margin-bottom: 0.6em;
  color: var(--text-muted-color);
  font-size: 0.95em;
}

.youtube-embed-form input[type="text"] {
  font-size: 0.95em;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  border-radius: 3px;
  width: 100%;
  margin-bottom: 1em;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.youtube-embed-form button {
  font-size: 0.95em;
  padding: 8px 15px;
  border: 1px solid var(--link-color);
  background-color: var(--link-color);
  color: var(--bg-color);
  cursor: pointer;
  border-radius: 3px;
  -webkit-appearance: none;
  appearance: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.youtube-embed-form button:hover {
  background-color: var(--link-hover-color);
  border-color: var(--link-hover-color);
}

.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  margin-top: 1.5em;
  border-radius: 4px;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Dark Mode Adjustments for YouTube Embedder */
body.dark-mode .youtube-embed-form label {
  color: var(--dark-text-muted-color);
}

body.dark-mode .youtube-embed-form input[type="text"] {
  border-color: var(--dark-border-color);
  background-color: var(--dark-bg-color);
  color: var(--dark-text-color);
}

body.dark-mode .youtube-embed-form button {
  border-color: var(--dark-link-color);
  background-color: var(--dark-link-color);
  color: var(--dark-bg-color);
}

body.dark-mode .youtube-embed-form button:hover {
  background-color: var(--dark-link-hover-color);
  border-color: var(--dark-link-hover-color);
}