/**
 * White theme for reveal.js.
 */

/* Google Fonts for Montserrat are linked in the HTML <head> */

section.has-dark-background,
section.has-dark-background h1,
section.has-dark-background h2,
section.has-dark-background h3,
section.has-dark-background h4,
section.has-dark-background h5,
section.has-dark-background h6 {
	color: #fff;
}

/*********************************************
 * GLOBAL STYLES
 *********************************************/
:root {
	--r-background-color: #ffffff;
	--r-main-font: "Montserrat", sans-serif;
	--r-main-font-size: 22px;
	/* Slightly increased for presentation clarity */
	--r-main-color: #222222;
	/* Dark grey for better contrast than pure black */
	--r-block-margin: 20px;
	--r-heading-margin: 0 0 20px 0;
	--r-heading-font: "Montserrat", sans-serif;
	--r-heading-color: #0D99FF;
	/* Primary Blue */
	--r-heading2-color: #ff4d6d;
	/* Pink/Red */
	--r-heading3-color: #000000;
	/* Black */
	--r-heading4-color: #0D99FF;
	/* Primary Blue */
	--r-heading5-color: #ff4d6d;
	/* Pink/Red */
	--r-heading-line-height: 1.2;
	--r-heading-letter-spacing: normal;
	--r-heading-text-transform: none;
	/* Changed to none for more natural headings */
	--r-heading-text-shadow: none;
	--r-heading-font-weight: 600;
	/* Semi-bold for headings */
	--r-heading1-text-shadow: none;
	--r-heading1-size: 2.2em;
	--r-heading2-size: 1.6em;
	--r-heading3-size: 1.3em;
	--r-heading4-size: 1.0em;
	--r-code-font: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
	/* Monospace for code */
	--r-link-color: #3498db;
	--r-link-color-dark: #1a53a1;
	--r-link-color-hover: #2980b9;
	--r-selection-background-color: #98bdef;
	--r-selection-color: #fff;
	--r-overlay-element-bg-color: 0, 0, 0;
	--r-overlay-element-fg-color: 240, 240, 240;
}

.reveal-viewport {
	background: var(--r-background-color);
}

.reveal {
	font-family: var(--r-main-font);
	font-optical-sizing: auto;
	font-size: var(--r-main-font-size);
	font-weight: 300;
	/* Regular weight for body text */
	color: var(--r-main-color);
}

.reveal ::selection {
	color: var(--r-selection-color);
	background: var(--r-selection-background-color);
	text-shadow: none;
}

.reveal ::-moz-selection {
	color: var(--r-selection-color);
	background: var(--r-selection-background-color);
	text-shadow: none;
}

.reveal .slides section,
.reveal .slides section>section {
	line-height: 1.5;
	/* Adjusted for better readability */
	font-weight: inherit;
}

/*********************************************
 * HEADERS
 *********************************************/
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
	margin: var(--r-heading-margin);
	font-family: var(--r-heading-font);
	font-optical-sizing: auto;
	font-weight: var(--r-heading-font-weight);
	line-height: var(--r-heading-line-height);
	letter-spacing: var(--r-heading-letter-spacing);
	text-transform: var(--r-heading-text-transform);
	/* Default is none */
	text-shadow: var(--r-heading-text-shadow);
	word-wrap: break-word;
}

.reveal h1 {
	font-size: var(--r-heading1-size);
	color: var(--r-heading-color);
	/* Main heading color */
	font-weight: 200;
	/* Lighter for main titles */
	text-transform: uppercase;
	/* Uppercase for H1 only if desired */
}

.reveal h2 {
	font-size: var(--r-heading2-size);
	color: var(--r-heading2-color);
}

.reveal h3 {
	font-size: var(--r-heading3-size);
	color: var(--r-heading3-color);
}

.reveal h4 {
	font-size: var(--r-heading4-size);
	color: var(--r-heading4-color);
	text-align: left;
	/* Keep if you specifically want H4 left-aligned */
}

.reveal h5 {
	font-size: 0.9em;
	color: var(--r-heading5-color);
}

.reveal h6 {
	font-size: 0.8em;
	color: var(--r-main-color);
	/* Or a subdued heading color */
}


/*********************************************
 * OTHER
 *********************************************/
.reveal p {
	margin: var(--r-block-margin) 0;
	line-height: 1.6;
	/* Slightly more line height for paragraphs */
}

.reveal h1:last-child,
.reveal h2:last-child,
.reveal h3:last-child,
.reveal h4:last-child,
.reveal h5:last-child,
.reveal h6:last-child {
	margin-bottom: 0;
}

.reveal img,
.reveal video,
.reveal iframe {
	max-width: 95%;
	max-height: 95%;
	display: block;
	margin: var(--r-block-margin) auto;
	/* Center images by default */
}

.reveal strong,
.reveal b {
	font-weight: 600;
	/* Bolder Montserrat weight */
}

.reveal em {
	font-style: italic;
}

.reveal ol,
.reveal dl,
.reveal ul {
	display: inline-block;
	/* Or block if preferred, but inline-block helps with centering */
	text-align: left;
	margin: 0 0 0 1em;
	/* Reset bottom margin, handled by p or list item itself */
}

.reveal ol {
	list-style-type: decimal;
}

.reveal ul {
	list-style-type: disc;
}

.reveal ul ul {
	list-style-type: square;
}

.reveal ul ul ul {
	list-style-type: circle;
}

.reveal ul ul,
.reveal ul ol,
.reveal ol ol,
.reveal ol ul {
	display: block;
	margin-left: 40px;
}

.reveal dt {
	font-weight: bold;
}

.reveal dd {
	margin-left: 40px;
}

.reveal blockquote {
	display: block;
	position: relative;
	width: 70%;
	margin: var(--r-block-margin) auto;
	padding: 15px;
	/* Increased padding */
	font-style: italic;
	background: rgba(0, 0, 0, 0.03);
	/* Subtle background */
	border-left: 4px solid var(--r-link-color);
	/* Accent border */
	box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.05);
}

.reveal blockquote p:first-child,
.reveal blockquote p:last-child {
	display: inline-block;
}

.reveal q {
	font-style: italic;
}

.reveal pre {
	display: block;
	position: relative;
	width: 90%;
	margin: var(--r-block-margin) auto;
	text-align: left;
	font-size: 0.6em;
	/* Relative to main font size, adjust as needed */
	font-family: var(--r-code-font);
	line-height: 1.3em;
	word-wrap: break-word;
	box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15);
	border-radius: 4px;
}

.reveal code {
	/* For inline code */
	font-family: var(--r-code-font);
	text-transform: none;
	tab-size: 2;
	background-color: rgba(0, 0, 0, 0.05);
	padding: 0.15em 0.4em;
	border-radius: 3px;
	font-size: 0.9em;
	/* Slightly smaller than surrounding text */
	white-space: pre-wrap;
	/* Allow wrapping for long inline code */
}

.reveal pre code {
	/* For code inside <pre> */
	display: block;
	padding: 10px;
	/* Padding inside the pre for the code */
	overflow: auto;
	max-height: 400px;
	/* Or adjust as needed */
	word-wrap: normal;
	/* Prevent wrapping inside code blocks */
	background-color: transparent;
	/* Pre has the background */
	font-size: 1em;
	/* Reset to pre's font size */
	white-space: pre;
	/* Preserve whitespace */
}

.reveal .code-wrapper {
	white-space: normal;
}

.reveal .code-wrapper code {
	white-space: pre;
}

.reveal table {
	margin: auto;
	border-collapse: collapse;
	border-spacing: 0;
}

.reveal table th {
	font-weight: bold;
}

.reveal table th,
.reveal table td {
	text-align: left;
	padding: 0.5em 0.8em 0.4em 0.7em;
	border-bottom: 1px solid #ddd;
	/* Lighter border */
}

.reveal table th[align=center],
.reveal table td[align=center] {
	text-align: center;
}

.reveal table th[align=right],
.reveal table td[align=right] {
	text-align: right;
}

.reveal table tbody tr:last-child th,
.reveal table tbody tr:last-child td {
	border-bottom: none;
}

.reveal sup {
	vertical-align: super;
	font-size: smaller;
}

.reveal sub {
	vertical-align: sub;
	font-size: smaller;
}

.reveal small {
	display: inline-block;
	font-size: 0.7em;
	line-height: 1.2em;
	vertical-align: top;
}

.reveal small * {
	vertical-align: top;
}


/*********************************************
 * LINKS
 *********************************************/
.reveal a {
	color: var(--r-link-color);
	text-decoration: none;
	transition: color 0.15s ease;
}

.reveal a:hover {
	color: var(--r-link-color-hover);
	text-shadow: none;
	border: none;
}

.reveal .roll span:after {
	color: #fff;
	background: var(--r-link-color-dark);
}

/*********************************************
 * Frame helper
 *********************************************/
.reveal .r-frame {
	border: 4px solid var(--r-main-color);
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

.reveal a .r-frame {
	transition: all 0.15s linear;
}

.reveal a:hover .r-frame {
	border-color: var(--r-link-color);
	box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
}

/*********************************************
 * NAVIGATION CONTROLS
 *********************************************/
.reveal .controls {
	color: var(--r-link-color);
}

/*********************************************
 * PROGRESS BAR
 *********************************************/
.reveal .progress {
	background: rgba(0, 0, 0, 0.2);
	color: var(--r-link-color);
	height: 4px;
	/* Slightly thicker progress bar */
}

/*********************************************
 * PRINT BACKGROUND
 *********************************************/
@media print {
	.backgrounds {
		background-color: var(--r-background-color);
	}
}
