:root {
  /* Default to dark mode colors */
  --bg-color: #17181c;
  --text-color: #e7e9ee;
  --link-color: #4d8dff;
  --link-hover-color: #76a9ff;
  --border-color: #4d8dff;
  --label-bg: #2d2d2d;
  --label-color: #4d8dff;
  --label-hover-bg: #4d8dff;
  --label-hover-color: #1a1a1a;
  --highlight-bg: #2d2d2d;
  --highlight-color: #4d8dff;
  --date-bg: #4d8dff;
  --date-color: #1a1a1a;
  --subdued-text-color: #a8adb8;
}

[data-theme="light"] {
  /* Light mode colors (only when explicitly set) */
  --bg-color: #FFFFFF;
  --text-color: #000000;
  --link-color: #2f66d8;
  --link-hover-color: #4d8dff;
  --border-color: #2f66d8;
  --label-bg: #FFFFFF;
  --label-color: #2f66d8;
  --label-hover-bg: #2f66d8;
  --label-hover-color: #FFFFFF;
  --highlight-bg: transparent;
  --highlight-color: #2f66d8;
  --date-bg: #2f66d8;
  --date-color: #FFFFFF;
  --subdued-text-color: #999999;
}

[data-theme="dark"] {
  /* Dark mode colors (explicit dark mode) */
  --bg-color: #17181c;
  --text-color: #e7e9ee;
  --link-color: #4d8dff;
  --link-hover-color: #76a9ff;
  --border-color: #4d8dff;
  --label-bg: #2d2d2d;
  --label-color: #4d8dff;
  --label-hover-bg: #4d8dff;
  --label-hover-color: #1a1a1a;
  --highlight-bg: #2d2d2d;
  --highlight-color: #4d8dff;
  --date-bg: #4d8dff;
  --date-color: #1a1a1a;
  --subdued-text-color: #a8adb8;
}

body {
  font-family: Roboto, sans-serif;
  font-size: 18px;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6, p, div, a, td, table, b, label, .label-info, .highlight, div, .date, button {
  font-family: 'Roboto', sans-serif;
}

h1, h2 {
  font-weight: 100;
}

h1 {
  font-size: 60px;
}

h1.secondary {
  font-size: 40px;
}

h2 {
  font-size: 40px;
}

h4 {
  font-size: 25px;
}

h3, h4, p, div, a, td, table, label, .label-info, .date {
  font-weight: 300;
}

b {
  font-weight: 500;
}

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

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

hr {
  margin-top: 1rem;
  margin-bottom: 1rem;
  border: 0;
  border-top: 1px solid var(--border-color);
}

/* p {
  text-align: justify;
} */

td {
  font-size: 5px;
  padding: 2px;
  text-align: center;
}

table {
  border-collapse: collapse;
  margin-bottom: 1.3em;
  width: 80%;
}

.current_tab {
  font-weight: bold;
}

.subdued_text {
  color: var(--subdued-text-color);
  margin: 0px 1em 1em 0px;
}

.blank {
  height: 2em;
  clear: both;
}

.label-info {
  color: var(--label-color);
  background-color: var(--label-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.label-info:hover, .label-info[href]:hover {
  color: var(--label-hover-color);
  background-color: var(--label-hover-bg);
}

.label-info:focus {
  color: var(--label-hover-color) !important;
  background-color: var(--label-hover-bg) !important;
}

.highlight {
  color: var(--highlight-color);
  background-color: var(--highlight-bg);
  border: 1px solid var(--border-color);
}

.date {
  color: var(--date-color);
  background-color: var(--date-bg);
}

/* Theme toggle button — glass pill, matched to the lite-mode toggle so the
   two corner controls form a cohesive pair. Icon-only (no text). */
.theme-toggle {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.4);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--text-color);
  cursor: pointer;
  line-height: 1;
  transition:
    color 250ms ease,
    background 250ms ease,
    border-color 250ms ease,
    transform 250ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus,
.theme-toggle:active {
  border-color: var(--accent, #4d8dff) !important;
  color: var(--accent, #4d8dff) !important;
  background: rgba(77, 141, 255, 0.10) !important;
  transform: translateY(-1px);
  outline: none;
}

.theme-toggle .material-icons-outlined {
  font-size: 18px;
  line-height: 1;
  font-variation-settings: 'FILL' 0, 'wght' 200, 'GRAD' 0, 'opsz' 20;
}

[data-theme="light"] .theme-toggle {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--hairline, rgba(0, 0, 0, 0.12));
}

@media (max-width: 600px) {
  .theme-toggle {
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
  }
  .theme-toggle .material-icons-outlined { font-size: 16px; }
}

/* The homepage no longer exposes a theme switcher. Keep stale cached markup
   from rendering the removed control during a rolling deploy. */
.theme-toggle {
  display: none !important;
}

/* Inline code styling */
code {
  background-color: transparent !important;
  color: var(--link-color) !important;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  padding: 2px 4px;
  border-radius: 3px;
}

/* Ensure pre code blocks keep their custom styling */
pre code {
  background-color: inherit !important;
  color: inherit !important;
  padding: 0 !important;
}

@media screen and (max-width: 600px) {
  body {
    font-size: 16px;
  }
} 

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Responsive carousel height for mobile devices */
@media screen and (max-width: 768px) {
    .carousel-video-container {
        height: 50vh !important;
    }
    
    .carousel-text-container {
        padding: 15px 15px 70px 15px !important;
    }
    
    .carousel-indicators {
        bottom: 40px !important;
    }
    
    .carousel-scroll-indicator {
        bottom: 5px !important;
    }
    
    .carousel-scroll-indicator p {
        font-size: 12px !important;
    }
    
    .carousel-scroll-indicator i {
        font-size: 16px !important;
    }
    
    /* Medium-sized profile picture on tablet */
    img[alt="Profile picture"] {
        height: 320px !important;
    }
}

@media screen and (max-width: 480px) {
    .carousel-video-container {
        height: 55vh !important;
    }
    
    .carousel-text-container {
        padding: 10px 10px 80px 10px !important;
    }
    
    .carousel-text-container h3 {
        font-size: 18px !important;
    }
    
    .carousel-text-container p {
        font-size: 14px !important;
    }
    
    /* Overall smaller fonts for mobile */
    body {
        font-size: 14px !important;
    }
    
    h1 {
        font-size: 30px !important;
    }
    
    h1.secondary {
        font-size: 20px !important;
    }
    
    h2 {
        font-size: 20px !important;
    }
    
    h3 {
        font-size: 18px !important;
    }
    
    h4 {
        font-size: 16px !important;
    }
    
    p, li, div {
        font-size: 14px !important;
        line-height: 1.4 !important;
    }
    
    .btn {
        font-size: 12px !important;
        padding: 6px 10px !important;
    }
    
    .label {
        font-size: 11px !important;
    }
    
    /* Adjust specific sections */
    .well p {
        font-size: 13px !important;
    }
    
    /* Smaller icons */
    /* .fa {
        font-size: 14px !important;
    }
    .ai {
      font-size: 14px !important;
    } */
    
    /* Adjust author links */
    a {
        font-size: 14px !important;
    }
    
    /* Smaller profile picture on mobile */
    img[alt="Profile picture"] {
        height: 250px !important;
    }
}