/**
 * Confessions of an SRE Manager - Presentation Styles
 * 
 * This CSS file contains all the styling for the impress.js presentation
 * about SRE management. It includes base styles, theme colors, typography,
 * animations, and plugin-specific styles.
 * 
 * @author Andrew Hatch
 * @version 1.0
 */

/* ========================================
   IMPORTS & EXTERNAL RESOURCES
   ======================================== */

/*
  Font imports - Using local fonts.css file instead of Google Fonts API
  for better offline support and performance
*/
@import url(fonts.css);

/* ========================================
   BROWSER COMPATIBILITY & RESET
   ======================================== */

/**
 * Fallback message for browsers that don't support required CSS3 features
 * This message is hidden when impress.js detects full browser support
 */
.fallback-message {
    font-family: sans-serif;
    line-height: 1.3;
    width: 780px;
    padding: 10px 10px 0;
    margin: 20px auto;
    border: 1px solid #e4c652;
    border-radius: 10px;
    background: #eedc94;
}

.fallback-message p {
    margin-bottom: 10px;
}

.impress-supported .fallback-message {
    display: none;
}

/* ========================================
   BASE STYLES & LAYOUT
   ======================================== */

/**
 * Body serves as the presentation surface/background
 * Default background is light blue with proper font family
 */
body {
    font-family: "PT Sans", sans-serif;
    min-height: 740px;
    background: rgb(255, 255, 234);
    color: #000000;
}

/**
 * Main presentation step container
 * Each slide is positioned within this container
 */
.step {
    position: relative;
    display: block;
    width: 900px;
    height: 700px;
    margin: 20px auto;
    padding: 40px 60px;
    font-family: "Open Sans", Arial, sans-serif;
    font-size: 30px;
    letter-spacing: -1px;
}

/* ========================================
   PRESENTATION THEMES & BACKGROUNDS
   ======================================== */

/**
 * Section-specific background themes
 * Each major section of the presentation has its own color scheme
 */

/* Slide background colors — three-phase arc */

/* Phase A: Opening / context setting */
.impress-on-introduction,
.impress-on-whoami,
.impress-on-takeaways,
.impress-on-before-we-continue {
    background-color: rgb(245, 248, 255);
}

/* Phase B: The hiring story */
.impress-on-hiring-back-in-the-day,
.impress-on-hiring-today,
.impress-on-covid-19,
.impress-on-fast-forward-2025 {
    background-color: rgb(255, 249, 240);
}

/* Phase C: The WTF moment / reckoning */
.impress-on-wtf,
.impress-on-made-some-changes,
.impress-on-needs-more-thought,
.impress-on-the-irony,
.impress-on-llm-prompt-jockey-apocalypse,
.impress-on-what-about-expertise {
    background-color: rgb(255, 242, 235);
}

/* Phase 1: Cool blue — expertise and complexity */
.impress-on-the-war-on-expertise,
.impress-on-tool-commoditization,
.impress-on-distributed-complex-characteristics,
.impress-on-complex-sociotechnical-systems,
.impress-on-we-love-to-simplify,
.impress-on-but-we-love-simplification,
.impress-on-tolerate-because,
.impress-on-the-expertise-silver-bullet,
.impress-on-the-taylor-prophecy,
.impress-on-separate-thinking {
    background-color: rgb(230, 242, 255);
}

/* Phase 2: Warm rose — danger and consequences */
.impress-on-linear-processes,
.impress-on-modern-software-systems,
.impress-on-jit-knowledge,
.impress-on-repo-slop-bucket,
.impress-on-next-gen-armchair-experts,
.impress-on-generative-AI-student-learning,
.impress-on-ackoff-wisdom,
.impress-on-ai-tool-or-operator,
.impress-on-the-ai-operator-nightmare,
.impress-on-who-is-accountable,
.impress-on-more-automation-is-a-problem {
    background-color: rgb(255, 240, 238);
}

/* Phase 3: Soft green — resolution and call to action */
.impress-on-final-thoughts,
.impress-on-core-sre-skills,
.impress-on-tool-vs-operator,
.impress-on-takeaways-summary,
.impress-on-humans-are-adaptable,
.impress-on-thank-you,
.impress-on-references {
    background-color: rgb(232, 248, 238);
}

/* Alternative background colors */
.red-bg {
    background-color: rgb(255, 68, 68);
}

.blue-bg {
    background-color: rgb(51, 181, 229);
}

/* ========================================
   IMPRESS.JS SPECIFIC STYLES
   ======================================== */

/**
 * Inactive steps are semi-transparent
 * Active steps are fully opaque with smooth transitions
 */
.impress-enabled .step {
    margin: 0;
    opacity: 1;
    transition: none;
}

.impress-enabled .step.active {
    opacity: 1;
}

/**
 * Pointer events management
 * Only the main impress container and toolbar should receive events
 */
.impress-enabled {
    pointer-events: none;
}

.impress-enabled #impress {
    pointer-events: auto;
}

.impress-enabled #impress-toolbar {
    pointer-events: auto;
}

.impress-enabled #impress-console-button {
    pointer-events: auto;
}

/* ========================================
   TYPOGRAPHY & TEXT STYLES
   ======================================== */

/**
 * Heading styles with consistent spacing and alignment
 */
h1, h2, h3 {
    margin-bottom: 8px;
    margin-top: 8px;
    text-align: center;
}

/**
 * Main heading style - Maven Pro font for impact
 */
h1 {
    font-family: "Archivo Black";
    font-size: 70px;
    font-weight: 300;
}

/**
 * Alternative heading style for left-aligned headers
 */
.header-one {
    position: absolute;
    text-align: left;
    font-family: "Maven Pro";
    font-size: 70px;
    font-weight: 300;
}

/**
 * Paragraph and list styles
 */
p {
    text-align: center;
    margin: 11px;
    font-family: "Comic Neue";
    font-size: 36px;
    font-weight: bold;
}

table, td, th {
    font-family: "Comic Neue";
    font-size: 36px;
    font-weight: bold;
}

#references table,
#references td {
    font-family: "Open Sans", Arial, sans-serif;
    font-size: 24px;
    font-weight: normal;
    line-height: 1.3;
}

li {
    margin: 3px;
}

/**
 * Custom text size classes using Comic Neue font
 * These provide consistent sizing options throughout the presentation
 */
.regular-text,
.regular-text-25,
.regular-text-30,
.regular-text-35,
.regular-text-40,
.regular-text-40-red,
.regular-text-50,
.regular-text-70 {
    position: absolute;
    font-family: "Comic Neue";
}

.regular-text-25 { font-size: 25px; }
.regular-text-30 { font-size: 30px; }
.regular-text-35 { font-size: 35px; }
.regular-text-40 { font-size: 40px; }
.regular-text-50 { font-size: 50px; }
.regular-text-70 { font-size: 70px; }

.regular-text-40-red {
    font-size: 40px;
    color: red;
}

/**
 * Important message styles for emphasis
 */
.important-message,
.important-message-30,
.important-message-55,
.important-message-80 {
    position: absolute;
    text-align: left;
    font-family: "Comic Neue";
    font-weight: bold;
    color: red;
}

.important-message-30 { font-size: 30px; }
.important-message-55 { font-size: 55px; }
.important-message-80 { font-size: 80px; }

/* ========================================
   CODE & TECHNICAL CONTENT
   ======================================== */

/**
 * Code block styles using Highlight.js
 */
pre > code {
    font-size: 14px;
    text-shadow: 0 0 0 rgba(0, 0, 0, 0);
}

/**
 * Inline code styles
 */
code {
    font-family: "Cutive mono", "Courier New", monospace;
}

/* ========================================
   LINKS & INTERACTIVE ELEMENTS
   ======================================== */

/**
 * Link styles with subtle background and smooth transitions
 */
a {
    color: inherit;
    text-decoration: none;
    padding: 0 2px;
    background: rgba(200, 200, 200, 0.3);
    text-shadow: -1px 1px 2px rgba(100, 100, 100, 0.9);
    border-radius: 3px;
    border-bottom: 1px solid rgba(100, 100, 100, 0.4);
    border-left: 1px solid rgba(100, 100, 100, 0.4);
    transition: 0.5s;
}

a:hover,
a:focus {
    background: rgba(200, 200, 200, 1);
    text-shadow: -1px 1px 2px rgba(100, 100, 100, 0.5);
}

/* ========================================
   TEXT FORMATTING & EMPHASIS
   ======================================== */

/**
 * Quote and emphasis styles
 */
blockquote {
    font-family: "PT Serif";
    font-style: italic;
    font-weight: 400;
}

q {
    font-family: "PT Serif";
    font-style: italic;
    font-weight: 400;
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.3);
}

em {
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.3);
}

strong {
    text-shadow: -1px 1px 2px rgba(100, 100, 100, 0.5);
}

strike {
    opacity: 0.7;
}

small {
    font-size: 14px;
}

/* ========================================
   IMAGES & MEDIA
   ======================================== */

/**
 * Default image sizing
 */
img {
    width: 300px;
}

/**
 * Image rotation utilities
 */
.rotateimg45 {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}

.rotateimg180 {
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    transform: rotate(180deg);
}

.rotateimg315 {
    -webkit-transform: rotate(315deg);
    -moz-transform: rotate(315deg);
    -ms-transform: rotate(315deg);
    -o-transform: rotate(315deg);
    transform: rotate(315deg);
}

/**
 * Background images with fixed positioning and transitions
 */
img.bg {
    position: fixed;
    z-index: -100;
    opacity: 0;
    height: 50%;
    width: auto;
    transition: opacity 2s;
}

/* Specific background image positioning */
#applepie-image {
    left: 0px;
    bottom: 0px;
}

#icecream-image {
    right: 0px;
    top: 0px;
}

#crisps-image {
    right: 0px;
    bottom: 0px;
}

/* Background image visibility controls */
body.impress-on-applepie #applepie-image,
body.impress-on-applepie-pro #applepie-image,
body.impress-on-applepie-con #applepie-image,
body.impress-on-conclusion #applepie-image,
body.impress-on-overview #applepie-image {
    opacity: 0.7;
    transition: opacity 2s;
}

body.impress-on-icecream #icecream-image,
body.impress-on-icecream-pro #icecream-image,
body.impress-on-icecream-con #icecream-image,
body.impress-on-conclusion #icecream-image,
body.impress-on-overview #icecream-image {
    opacity: 0.7;
    transition: opacity 2s;
}

body.impress-on-crisps #crisps-image,
body.impress-on-crisps-pro #crisps-image,
body.impress-on-crisps-con #crisps-image,
body.impress-on-conclusion #crisps-image,
body.impress-on-overview #crisps-image {
    opacity: 0.7;
    transition: opacity 2s;
}

/* ========================================
   SPECIAL ELEMENTS & UTILITIES
   ======================================== */

/**
 * Speaker notes (hidden from presentation view)
 */
.notes {
    display: none;
}

/**
 * Special slide styling
 */
#image-credits {
    color: #779988;
}

/* ========================================
   IMPRESS.JS PLUGINS
   ======================================== */

/**
 * Toolbar Plugin Styles
 */
.impress-enabled div#impress-toolbar {
    position: fixed;
    right: 1px;
    bottom: 1px;
    opacity: 0.6;
    z-index: 10;
}

.impress-enabled div#impress-toolbar > span {
    margin-right: 10px;
}

/**
 * Mouse Timeout Plugin Styles
 * Hide toolbar and cursor when mouse is inactive
 */
body.impress-mouse-timeout div#impress-toolbar {
    display: none;
}

body.impress-mouse-timeout {
    cursor: none;
}

/**
 * Progress Bar Plugin Styles
 */
.impress-progressbar {
    position: absolute;
    right: 118px;
    bottom: 1px;
    left: 118px;
    border-radius: 7px;
    border: 2px solid rgba(100, 100, 100, 0.2);
}

.impress-progressbar DIV {
    width: 0;
    height: 2px;
    border-radius: 5px;
    background: rgba(75, 75, 75, 0.4);
    transition: width 1s linear;
}

.impress-progress {
    position: absolute;
    left: 59px;
    bottom: 1px;
    text-align: left;
    font-size: 10pt;
    opacity: 0.6;
}

/**
 * Help Plugin Styles
 */
.impress-enabled #impress-help {
    background: none repeat scroll 0 0 rgba(0, 0, 0, 0.5);
    color: #eeeeee;
    font-size: 13px;
    position: fixed;
    left: 32px;
    bottom: 32px;
    width: 384px;
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    z-index: 100;
    font-family: Verdana, Arial, Sans;
}

.impress-enabled #impress-help td {
    padding-left: 16px;
    padding-right: 16px;
}

/**
 * Substep Plugin Styles
 * Controls visibility of sub-elements within slides
 */
/**
 * Substep zoom-in entrance (PowerPoint-style)
 * Substeps start slightly smaller and fade in, then scale to full size when revealed.
 */
#impress .step .substep {
    opacity: 0;
    transform: scale(0.92);
}

#impress .step .substep.substep-visible {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.3s ease-out, transform 0.4s ease-out;
}

@keyframes slide-down-fade {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    70% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(100px);
        opacity: 0;
    }
}

.substep.substep-visible .slide-down-fade {
    animation: slide-down-fade 1.5s ease-in infinite;
    animation-delay: 0.2s;
}

@keyframes slide-right-fade {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    70% {
        opacity: 0.3;
    }
    100% {
        transform: translateX(100px);
        opacity: 0;
    }
}

.substep.substep-visible .slide-right-fade {
    animation: slide-right-fade 1.5s ease-in infinite;
    animation-delay: 0.2s;
}

@keyframes slide-left-fade {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    70% {
        opacity: 0.3;
    }
    100% {
        transform: translateX(-100px);
        opacity: 0;
    }
}

.substep.substep-visible .slide-left-fade {
    animation: slide-left-fade 1.5s ease-in infinite;
    animation-delay: 0.2s;
}

.substep.substep-visible .slide-down-fade-staggered {
    animation: slide-down-fade 1.5s ease-in infinite;
    animation-delay: 1s;
}

@keyframes pulse-glow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.12); opacity: 0.85; }
}

.substep.substep-visible .pulse-glow {
    animation: pulse-glow 1.2s ease-in-out infinite;
}

.book-fade-in {
    opacity: 0;
    transition: opacity 1.5s ease-in;
}

.impress-on-separate-thinking .book-fade-in.book-1 {
    opacity: 1;
    transition-delay: 0.5s;
}

.impress-on-separate-thinking .book-fade-in.book-2 {
    opacity: 1;
    transition-delay: 1.2s;
}

.impress-on-separate-thinking .book-fade-in.book-3 {
    opacity: 1;
    transition-delay: 1.9s;
}

/* Fly-down animation for repo-slop-bucket */
@keyframes fly-down {
    0% {
        transform: translateY(-600px);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.fly-down {
    opacity: 0;
}

.fly-down.substep-visible {
    animation: fly-down 0.8s ease-out forwards;
}

/* Delayed fade-in */
.delayed-fade {
    opacity: 0;
    transition: opacity 0.5s ease-in;
    transition-delay: 3s;
}

.delayed-fade.substep-visible {
    opacity: 1;
}

.delayed-fade-2s {
    opacity: 0;
    transition: opacity 0.5s ease-in;
    transition-delay: 2s;
}

.delayed-fade-2s.substep-visible {
    opacity: 1;
}

/* Slow clockwise spin */
@keyframes spin-clockwise {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.impress-on-who-is-accountable .spin-clockwise {
    animation: spin-clockwise 20s linear infinite;
}

@keyframes spin-anticlockwise {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

.impress-on-who-is-accountable .spin-anticlockwise {
    animation: spin-anticlockwise 25s linear infinite;
}

/* Pulse and glow fire */
@keyframes pulse-glow-fire {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 10px rgba(255, 100, 0, 0.6));
    }
    50% {
        transform: scale(1.3);
        filter: drop-shadow(0 0 30px rgba(255, 60, 0, 0.9)) drop-shadow(0 0 60px rgba(255, 160, 0, 0.5));
    }
}

.impress-on-who-is-accountable .pulse-glow-fire,
.impress-on-fast-forward-2025 .pulse-glow-fire,
.impress-on-complex-sociotechnical-systems .pulse-glow-fire {
    animation: pulse-glow-fire 1.5s ease-in-out infinite;
}

/* Poo splat drop animation */
@keyframes poo-splat {
    0% {
        top: -200px;
        transform: scale(1);
        opacity: 1;
    }
    60% {
        top: 410px;
        transform: scale(1);
    }
    70% {
        top: 410px;
        transform: scale(1.6, 0.5);
    }
    80% {
        top: 410px;
        transform: scale(0.9, 1.1);
    }
    90% {
        top: 410px;
        transform: scale(1.05, 0.95);
    }
    100% {
        top: 410px;
        transform: scale(1);
    }
}

.poo-splat {
    opacity: 0;
}

.poo-splat.substep-visible {
    opacity: 1;
    animation: poo-splat 2s ease-in forwards;
}

/* Jockey shuffle-in from right with bobbing */
@keyframes jockey-shuffle {
    0% {
        transform: translateX(1200px) translateY(0) rotate(5deg);
        opacity: 0;
    }
    8% {
        transform: translateX(1000px) translateY(-10px) rotate(3deg);
        opacity: 1;
    }
    18% {
        transform: translateX(800px) translateY(-40px) rotate(-3deg);
    }
    28% {
        transform: translateX(620px) translateY(15px) rotate(4deg);
    }
    38% {
        transform: translateX(460px) translateY(-35px) rotate(-3deg);
    }
    48% {
        transform: translateX(320px) translateY(12px) rotate(3deg);
    }
    58% {
        transform: translateX(200px) translateY(-30px) rotate(-2deg);
    }
    68% {
        transform: translateX(110px) translateY(10px) rotate(2deg);
    }
    78% {
        transform: translateX(50px) translateY(-20px) rotate(-1deg);
    }
    88% {
        transform: translateX(10px) translateY(8px) rotate(1deg);
    }
    100% {
        transform: translateX(0) translateY(0) rotate(0deg);
        opacity: 1;
    }
}

.worker-fade {
    opacity: 1;
    transition: opacity 0.8s ease-out;
}

#llm-prompt-jockey-apocalypse:has(.substep-visible) .worker-fade {
    opacity: 0;
}

.jockey-shuffle {
    opacity: 0;
}

.substep-visible .jockey-shuffle {
    animation: jockey-shuffle 2.5s ease-out forwards;
}

.substep-visible .jockey-shuffle.jockey-1 {
    animation-delay: 1.0s;
}

.substep-visible .jockey-shuffle.jockey-2 {
    animation-delay: 1.5s;
}

.substep-visible .jockey-shuffle.jockey-3 {
    animation-delay: 2.0s;
}

/* Staggered sequential fade-in on step entry */
.seq-fade {
    opacity: 0;
}

.active .seq-fade,
.substep-visible .seq-fade {
    animation: seq-fade-in 0.7s ease-out forwards;
}

@keyframes seq-fade-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}