/* Default (dark) theme variables */
:root {
  --bg-color: #1a1a1a;
  --text-color: #e0e0e0;
  --link-color: #88ccff;
  --heading-color: #f0f0f0;
  --card-bg: rgba(60,60,60,0.3);
  --card-border: #444444;
  --card-shadow: rgba(255,255,255,0.1);
  --nav-bg: rgba(60,60,60,0.2);
  --nav-border: rgba(255,255,255,0.1);
  --blockquote-bg: #2a2a2a;
  --blockquote-border: #555555;
  --blockquote-text: #dddddd;
  --tagline-color: #cccccc;
  --metadata-color: #bbbbbb;
  --foot-color: #cccccc;
  --hr-gradient: linear-gradient(to right, #666666, #999999);
  --post-border: rgba(255,255,255,0.2);
  --glightbox-shadow: rgba(255,255,255,0.1);

  /* Rainbow text variables - optimized for dark theme */
  --rainbow-gradient: linear-gradient(90deg, #ffb3ba, #ffdfba, #ffffba, #baffc9, #bae1ff, #e3baff, #ffb3ba);
  --rainbow-shadow: none;

  /* GLightbox theme variables */
  --overlay-bg: rgba(0, 0, 0, 0.95);
  --modal-bg: rgba(42, 42, 42, 0.98);
  --border-color: #444444;
}

/* Light theme override */
[data-theme="light"] {
  --bg-color: #EDECE4;
  --text-color: #000000;
  --link-color: rgba(50,50,150,1);
  --heading-color: #000000;
  --card-bg: rgba(200,200,160,0.09);
  --card-border: lightgray;
  --card-shadow: rgba(0,0,0,0.2);
  --nav-bg: rgba(200,200,160,0.05);
  --nav-border: rgba(0,0,0,0.05);
  --blockquote-bg: #eeeeee;
  --blockquote-border: gray;
  --blockquote-text: #000000;
  --tagline-color: #000000;
  --metadata-color: #000000;
  --foot-color: #000000;
  --hr-gradient: linear-gradient(to right, black, gray);
  --post-border: rgba(0,0,0,0.1);
  --glightbox-shadow: rgba(0,0,0,0.1);

  /* Rainbow text variables - more saturated colors and shadow for light theme */
  --rainbow-gradient: linear-gradient(90deg, #ff6b7d, #ff9f43, #feca57, #48d0b0, #54a0ff, #a55eea, #ff6b7d);
  --rainbow-shadow: 0 0 1px rgba(0,0,0,0.2), 0 0px 1px rgba(0,0,0,0.1);

  /* GLightbox light theme */
  --overlay-bg: rgba(255, 255, 255, 0.95);
  --modal-bg: rgba(237, 236, 228, 0.98);
  --border-color: #cccccc;
}

html {
 font-family: 'Merriweather Sans', sans-serif;
 line-height:1.6em;
 font-weight:300;
}

body {
  margin:0 auto;
/*  margin-left:10em;*/
  max-width:75ch;
  line-height:1.65;
  /*padding-left:10em;*/
  padding-right:10em;
  padding-left:max(2em,5em);
  font-size:14pt;
  background-color: var(--bg-color);
  color: var(--text-color);
}

a:link {
  text-decoration: none;
  color: var(--link-color);
}

a:hover {
  text-decoration: underline;
}

a:active {
    font-size: 105%;
    text-decoration: none;
}

a:visited {
  color: var(--link-color);
  text-decoration: none;
}

h1, h2 {
  margin-bottom: 2px;
  color: var(--heading-color);
}

h1 {
  font-size: 3.5em;
  font-weight: 500;
}

h3 {
  margin-bottom: 2px;
  margin-top: 0px;
  color: var(--heading-color);
}

div.post_card {
    position:relative;
    border: 1px solid var(--card-border);
    border-radius:5px;
    padding:20px;
    background: var(--card-bg);
    margin-bottom:20px;
    clear:both;
    overflow:auto;
    box-shadow: 0 0 2px var(--card-shadow);
    transition: background 0.3s;
}

div.post_head {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 15px;
  width: 100%;
  clear: both;
  margin-bottom:20px;
  border-bottom: 1px solid var(--post-border);
  padding-bottom: 15px;
  line-height:1.3em;
}

hr {
 border-radius:20%;
 border:0px;
 height:1px;
 background: var(--hr-gradient);
 margin:20px auto;
}

.icon {
  width: 80px;
  height: 80px;
  border-radius: 5px;
  overflow: hidden;
  object-fit: cover;
}

img.post {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 75%;
  clear:both;
}

div.foot {
  margin: auto;
  width: 15%;
  padding-top: 1em;
  font-size: larger;
  color: var(--foot-color);
}

div.post_title {
  flex: 1;
  overflow-wrap: break-word;
  hyphens: auto;
  min-width: 0;
}

div.post_icon {
  flex-shrink: 0;
}

div.post_metadata {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 5px;
  color: var(--metadata-color);
}

div.post_tags {
  display: inline;
}

div.post_image_wrapper {
  margin-left:auto;
  margin-right:auto;
  display:block;
  clear:both;
  text-align:center;
}

div.post_body {
  float:left;
}

div.post_in_index {
  margin-bottom:1em;
  margin-top:1em;
}

blockquote {
  border: 1px solid var(--blockquote-border);
  background-color: var(--blockquote-bg);
  color: var(--blockquote-text);
  margin-left:5em;
  margin-right:5em;
  padding:1em;
}

.gallery_container {
  text-align: center;
}

.glightbox img {
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s ease;
}

.glightbox img:hover {
  transform: scale(1.01);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

.gslide-title {
  font-family:'Merriweather Sans',sans-serif !important;
  font-size: 1.5em !important;
  font-weight: bold;
  text-align: left;
}

.gslide-desc {
  font-family: 'Merriweather Sans', sans-serif !important;
  font-size: 1em !important;
  text-align: left;
}

nav.post_navigation {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 40px;
  padding: 20px;
  background: var(--nav-bg);
  border-radius: 8px;
  border: 1px solid var(--nav-border);
  gap: 20px;
}

nav.post_navigation div.nav_prev,
nav.post_navigation div.nav_next {
  flex: 1;
  max-width: 45%;
}

nav.post_navigation div.nav_next {
  text-align: right;
}

nav.post_navigation .nav_label {
  display: block;
  font-size: 0.9em;
  color: var(--link-color);
  opacity: 0.7;
  font-weight: 300;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

nav.post_navigation .nav_title a {
  color: var(--link-color);
  text-decoration: none;
  font-weight: 400;
  line-height: 1.3;
  display: block;
  transition: color 0.2s ease;
}

nav.post_navigation .nav_title a:hover {
  color: var(--link-color);
  opacity: 0.8;
  text-decoration: underline;
}

.rainbow-text {
  background: var(--rainbow-gradient);
  background-size: 200% 100%;
  animation: rainbow-slide 8s linear infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  display: inline-block;
  text-shadow: var(--rainbow-shadow);
}

@keyframes rainbow-slide {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@media (prefers-reduced-motion: reduce) {
  .rainbow-text { animation: none; }
}

.header_nav {
  display: flex;
  justify-content: flex-end;
  align-items: baseline;
  margin-top: -3.25em;
  margin-bottom: 1em;
  gap: 1em;
}

.tagline {
  font-style: italic;
  flex-shrink: 0;
  color: var(--tagline-color);
}

.site_nav {
  white-space: nowrap;
}

#theme-toggle {
  background: none;
  border: none;
  font-size: 1.2em;
  cursor: pointer;
  padding: 0.2em 0.5em;
  color: inherit;
  border-radius: 3px;
  transition: background-color 0.2s;
}

#theme-toggle:hover {
  background-color: var(--card-bg);
}

@media only screen and (max-width: 1000px) {
  body {
    /*margin-left: 1em;
    margin-right: 1em;
    max-width: 100%;*/
    padding-left: 1em;
    padding-right: 1em;
  }

  img.post {
    display:block;
    margin-left:auto;
    margin-right:auto;
    max-width:100%;
    clear:both;
  }

  .header_nav {
    flex-direction: column;
    align-items: center;
    gap: 0.5em;
  }

  .site_nav {
    padding-top:2em;
    align-self: center;
  }

  nav.post_navigation {
    flex-direction: column;
    gap: 15px;
  }

  nav.post_navigation div.nav_prev,
  nav.post_navigation div.nav_next {
    max-width: 100%;
    text-align: left;
  }
}

/* GLightbox theme overrides */
.goverlay {
  background: var(--overlay-bg) !important;
}

.gcontainer {
  background: var(--modal-bg) !important;
  color: var(--text-color) !important;
  border: 1px solid var(--border-color) !important;
}

.gslide-description {
  background: var(--modal-bg) !important;
  color: var(--text-color) !important;
}

.gdesc-inner {
  background: var(--modal-bg) !important;
  color: var(--text-color) !important;
}

.gslide-title {
  color: var(--text-color) !important;
  background: transparent !important;
}

.gslide-desc {
  color: var(--text-color) !important;
  background: transparent !important;
}