/**
 * A custom version of the "simple" theme for reveal.js presentations.
 * Original theme by Owen Versteeg: https://github.com/StereotypicalApps
 * 
 * Modifications made:
 * 
 * - Added a custom logo to the top left corner of the slides
 * - Created a information box in the top right corner with the date and title
 *
 * Original Copyright (C) 2012 Owen Versteeg. Licensed under the MIT License.
 * MIT License: https://opensource.org/licenses/MIT
 *
 * Modifications Copyright (C) 2024 [Your Name or Organization]
 * This modified version is also licensed under the MIT License.
 */
@import url(https://fonts.googleapis.com/css?family=News+Cycle:400,700);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
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 LOGO STYLES
 *********************************************/
 .reveal::before {
  content: "";
  position: fixed; /* Fixed position relative to the viewport */
  top: 10px;       /* Distance from the top */
  left: 10px;      /* Distance from the left */
  width: clamp(75px, 10.4vw, 200px);
  height: clamp(75px, 10.4vw, 200px);
  background-image: url('../images/zhaw_sw_pos.jpg'); /* Path to your logo */
  background-size: contain; /* Scale the logo to fit */
  background-repeat: no-repeat; /* No repeating */
  z-index: 1000; /* Place it above all content */
  pointer-events: none; /* Prevent the logo from interfering with clicks */
}

.reveal::after {
  content: "PhysicalComputing\A Lesson 1";
  white-space: pre;
  position: fixed;
  top: 0px;
  right: 10px;
  text-align: right;
  font-size: clamp(12px, 2.6vw, 34px); /* increased all values */
  line-height: 1.1; /* compact line spacing */
  background: rgba(255, 255, 255, 0.8);
  padding: clamp(8px, 1.2vw, 16px); /* slightly more padding */
  border-radius: 5px;
  z-index: 1000;
  pointer-events: none;
}

/*********************************************
 * GLOBAL STYLES
 *********************************************/
:root {
  --r-background-color: #fff;
  --r-main-font: Lato, sans-serif;
  --r-main-font-size: 40px;
  --r-main-color: #000;
  --r-block-margin: 20px;
  --r-heading-margin: 0 0 20px 0;
  --r-heading-font: News Cycle, Impact, sans-serif;
  --r-heading-color: #000;
  --r-heading-line-height: 1.2;
  --r-heading-letter-spacing: normal;
  --r-heading-text-transform: none;
  --r-heading-text-shadow: none;
  --r-heading-font-weight: normal;
  --r-heading1-text-shadow: none;
  --r-heading1-size: 3.77em;
  --r-heading2-size: 2.11em;
  --r-heading3-size: 1.55em;
  --r-heading4-size: 1em;
  --r-code-font: monospace;
  --r-link-color: #00008B;
  --r-link-color-dark: rgb(0, 0, 118.15);
  --r-link-color-hover: rgb(0, 0, 213.2);
  --r-selection-background-color: rgba(0, 0, 0, 0.99);
  --r-selection-color: #fff;
  --r-overlay-element-bg-color: 0, 0, 0;
  --r-overlay-element-fg-color: 240, 240, 240;
}

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

.reveal {
  font-family: var(--r-main-font);
  font-size: var(--r-main-font-size);
  font-weight: normal;
  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: 1.3;
  font-weight: inherit;
}

/*********************************************
 * HEADERS
 *********************************************/
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
  margin: var(--r-heading-margin);
  color: var(--r-heading-color);
  font-family: var(--r-heading-font);
  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);
  text-shadow: var(--r-heading-text-shadow);
  word-wrap: break-word;
}

.reveal h1 {
  font-size: var(--r-heading1-size);
}

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

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

.reveal h4 {
  font-size: var(--r-heading4-size);
}

.reveal h1 {
  text-shadow: var(--r-heading1-text-shadow);
}

/*********************************************
 * OTHER
 *********************************************/
.reveal p {
  margin: var(--r-block-margin) 0;
  line-height: 1.3;
}

/* Remove trailing margins after titles */
.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;
}

/* Ensure certain elements are never larger than the slide itself */
.reveal img,
.reveal video,
.reveal iframe {
  max-width: 95%;
  max-height: 95%;
}

.reveal strong,
.reveal b {
  font-weight: bold;
}

.reveal em {
  font-style: italic;
}

.reveal ol,
.reveal dl,
.reveal ul {
  display: inline-block;
  text-align: left;
  margin: 0 0 0 1em;
}

.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: 5px;
  font-style: italic;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.2);
}

.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: 0.55em;
  font-family: var(--r-code-font);
  line-height: 1.2em;
  word-wrap: break-word;
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15);
}

.reveal code {
  font-family: var(--r-code-font);
  text-transform: none;
  tab-size: 2;
}

.reveal pre code {
  display: block;
  padding: 5px;
  overflow: auto;
  max-height: 400px;
  word-wrap: normal;
}

.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: 0.2em 0.5em 0.2em 0.5em;
  border-bottom: 1px solid;
}

.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: 0.6em;
  line-height: 1.2em;
  vertical-align: top;
}

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

.reveal img {
  margin: var(--r-block-margin) 0;
}

/*********************************************
 * 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);
}

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

/*********************************************
 * FIGURE AND TABLE IMAGE STYLES
 *********************************************/

/* Shared styles */
.image-block {
  text-align: center;
  margin: 20px 0;
}

.image-block img {
  width: 100%;
  max-width: 1000px;
}

/* Caption below (for figures) */
.figure-caption {
  font-size: 0.4em;
  font-style: italic;
  margin-top: -20px;
}

/* Caption above (for tables) */
.table-caption {
  font-size: 0.4em;
  font-style: italic;
  margin-bottom: -10px;
}

/* Two-column layout */
.image-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.image-col {
  flex: 1;
  text-align: center;
}

.image-col img {
  width: 100%;
  max-width: 500px;
}

/*********************************************
 * Tabular Block for Model Overview (Updated)
 *********************************************/

.tabular-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.8em; /* Reduce text size slightly */
  margin: 2em auto;
  width: 80%;
}

.tabular-row {
  display: flex;
  justify-content: flex-start;
  width: 100%;
  margin: 0.2em 0;
}

.model-name {
  flex: 1.2;
  text-align: left;
  font-weight: bold;
}

.model-param {
  flex: 0.5;
  text-align: right;
  padding-right: 1em;
}

.model-desc {
  flex: 2;
  text-align: left;
}