/**
 * Custom Dark Theme for Reveal.js
 * Place this in your reveal.js/css/theme/ folder and reference it in your HTML
 */

/* Import Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

/* Root Variables */
:root {
  --r-background-color: #0d1117;
  --r-main-font: "Inter", sans-serif;
  --r-main-font-size: 42px;
  --r-main-color: #e6edf3;
  --r-block-margin: 20px;
  --r-heading-margin: 0 0 20px 0;
  --r-heading-font: "Inter", sans-serif;
  --r-heading-color: #f0f6fc;
  --r-heading-line-height: 1.2;
  --r-heading-letter-spacing: -0.02em;
  --r-heading-text-transform: none;
  --r-heading-text-shadow: none;
  --r-heading-font-weight: 600;
  --r-heading1-text-shadow: none;
  --r-heading1-size: 2.5em;
  --r-heading2-size: 1.8em;
  --r-heading3-size: 1.4em;
  --r-heading4-size: 1.2em;
  --r-code-font: "JetBrains Mono", monospace;
  --r-link-color: #f58137;
  --r-link-color-dark: #d4621a;
  --r-link-color-hover: #ff9c5a;
  --r-selection-background-color: #264f78;
  --r-selection-color: #fff;
}

/* Base Styles */
.reveal-viewport {
  background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
}

.reveal {
  font-family: var(--r-main-font);
  font-size: var(--r-main-font-size);
  font-weight: 400;
  color: var(--r-main-color);
}

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

/* Headings */
.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);
  background: linear-gradient(45deg, #f58137, #ff9c5a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.reveal h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #f58137, #ff9c5a);
  border-radius: 2px;
}

/* Links */
.reveal a {
  color: var(--r-link-color);
  text-decoration: none;
  transition: color 0.2s ease;
  border-bottom: 1px solid transparent;
}

.reveal a:hover {
  color: var(--r-link-color-hover);
  text-shadow: none;
  border-bottom: 1px solid var(--r-link-color-hover);
}

/* Lists */
.reveal ul,
.reveal ol {
  margin-left: 1em;
  padding-left: 0.5em;
}

.reveal ul li::marker {
  color: #f58137;
}

.reveal ol li::marker {
  color: #f58137;
  font-weight: 600;
}

.reveal li {
  margin-bottom: 0.5em;
  line-height: 1.4;
  padding-left: 0.5em;
}

/* Code */
.reveal code {
  font-family: var(--r-code-font);
  background: #21262d;
  color: #e6edf3;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

.reveal pre {
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  margin: 20px 0;
}

.reveal pre code {
  background: transparent;
  padding: 20px;
  font-size: 0.75em;
  line-height: 1.4;
  max-height: 400px;
  overflow: auto;
  border-radius: 8px;
}

/* Blockquotes */
.reveal blockquote {
  background: #161b22;
  border-left: 4px solid #f58137;
  padding: 20px;
  margin: 20px 0;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  font-style: italic;
}

/* Tables */
.reveal table {
  border-collapse: collapse;
  border-spacing: 0;
  background: #161b22;
  border-radius: 8px;
  overflow: hidden;
  margin: 20px auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.reveal table th {
  background: #21262d;
  color: #f0f6fc;
  font-weight: 600;
  padding: 15px;
  border-bottom: 2px solid #30363d;
}

.reveal table td {
  padding: 12px 15px;
  border-bottom: 1px solid #30363d;
}

.reveal table tr:hover {
  background: #1c2128;
}

/* Custom Utility Classes */
.accent-text {
  color: #f58137;
  font-weight: 600;
}

.highlight-text {
  background: linear-gradient(120deg, #f5813733 0%, #f5813733 100%);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid #f5813744;
}

.gradient-box {
  background: linear-gradient(135deg, #161b22 0%, #0d1117 100%);
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 30px;
  margin: 20px 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.success-box {
  background: #0f2419;
  border: 1px solid #238636;
  color: #7ee787;
  padding: 20px;
  border-radius: 8px;
  margin: 20px 0;
}

.warning-box {
  background: #2d1b00;
  border: 1px solid #fb8500;
  color: #ffb000;
  padding: 20px;
  border-radius: 8px;
  margin: 20px 0;
}

.error-box {
  background: #2d0a0a;
  border: 1px solid #e74c3c;
  color: #ff6b6b;
  padding: 20px;
  border-radius: 8px;
  margin: 20px 0;
}

.two-columns {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.two-columns > div {
  flex: 1;
}

.center-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.large-emoji {
  font-size: 3em;
  margin: 20px 0;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

/* Slide Backgrounds */
.reveal .slides section[data-background-color] {
  color: var(--r-main-color);
}

/* Fragment Animations */
.reveal .fragment.highlight-current-blue,
.reveal .fragment.current-visible.highlight-current-blue {
  color: #f58137;
}

.reveal .fragment.fade-in-then-semi-out {
  opacity: 1;
  visibility: inherit;
}

.reveal .fragment.fade-in-then-semi-out.visible {
  opacity: 0.5;
}

/* Progress Bar */
.reveal .progress {
  background: #21262d;
}

.reveal .progress span {
  background: linear-gradient(90deg, #f58137, #ff9c5a);
  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
}

/* Controls */
.reveal .controls {
  color: #f58137;
}

.reveal .controls .controls-arrow:before,
.reveal .controls .controls-arrow:after {
  background-color: currentColor;
}

/* Navigation */
.reveal .slide-number {
  background-color: rgba(33, 38, 45, 0.8);
  color: #e6edf3;
  padding: 8px 12px;
  border-radius: 4px;
}

/* Speaker Notes Button */
.reveal aside.notes {
  background: #0d1117;
  color: #e6edf3;
  border-top: 1px solid #30363d;
}

/* Custom slide classes for special layouts */
.reveal .slides section.title-slide {
  text-align: center;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.reveal .slides section.title-slide h1 {
  font-size: 3.5em;
  margin-bottom: 30px;
}

.reveal .slides section.title-slide h2 {
  font-weight: 300;
  color: #7d8590;
  font-size: 1.2em;
}

/* Image styling */
.reveal img {
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}