/**
 * Dark theme for the presentation
 */

body.dark-theme {
    background-color: #121212;
}

body.dark-theme .reveal {
    color: #f0f0f0;
}

body.dark-theme :root {
    --primary-color: #4da6ff;
    --secondary-color: #66b3ff;
    --accent-color: #ff8c5a;
    --text-color: #f0f0f0;
    --background-color: #121212;
    --icon-color: #4da6ff;
}

/* Headings in dark mode */
body.dark-theme .reveal h1,
body.dark-theme .reveal h2,
body.dark-theme .reveal h3 {
    color: var(--primary-color);
}

/* List items and bullets */
body.dark-theme .reveal li:before {
    color: var(--primary-color);
}

/* Source references in dark mode */
body.dark-theme .source-reference {
    color: #aaa;
}

/* Icons in dark mode */
body.dark-theme .slide-icon {
    color: var(--primary-color) !important;
    text-shadow: 0 0 3px rgba(0, 0, 0, 0.9) !important;
}

/* Progress bar */
body.dark-theme .reveal .progress {
    color: var(--accent-color);
}

/* Controls */
body.dark-theme .reveal .controls {
    color: var(--primary-color);
}

/* Bold text */
body.dark-theme .reveal strong {
    color: var(--accent-color);
}

/* Links */
body.dark-theme .reveal a {
    color: var(--primary-color);
}

body.dark-theme .reveal a:hover {
    color: var(--accent-color);
}

/* Clean slide appearance - NO backgrounds, borders or shadows */
body.dark-theme .reveal .slides section {
    /* Remove any borders, backgrounds, or shadows */
    background-color: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
}

/* Code blocks in dark mode */
body.dark-theme .reveal pre,
body.dark-theme .reveal code {
    background-color: #2d2d2d;
    color: #f0f0f0;
}

/* Loading animation in dark mode */
body.dark-theme .loader {
    border-color: #333;
    border-top-color: var(--primary-color);
}

/* Theme switch in dark mode */
body.dark-theme .theme-switch .slider {
    background-color: #4da6ff;
}

body.dark-theme .theme-switch .slider:before {
    background-color: #1e1e1e;
}

/* Slide numbers */
body.dark-theme .reveal .slide-number {
    color: #aaa;
}