/**
 * Peng - Product Designer Portfolio
 * Minimalist personal website with light/dark theme support
 * 
 * CUSTOM FONT SETUP:
 * Place your Suisse Int'l font files in the /fonts/ folder and uncomment the @font-face rule below.
 */

/* ==========================================================================
   Custom Font - Suisse Int'l Book
   ========================================================================== */

/* Small size variant (optimized for smaller text) */
@font-face {
  font-family: 'Suisse Intl';
  src: url('fonts/SuisseIntl-Regular-Web/S/SuisseIntl-Regular-WebS.woff2') format('woff2'),
       url('fonts/SuisseIntl-Regular-Web/S/SuisseIntl-Regular-WebS.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* Mono variant for years/numbers */
@font-face {
  font-family: 'Suisse Intl Mono';
  src: url('fonts/SuisseIntlMono-Regular-Web/S/SuisseIntlMono-Regular-WebS.woff2') format('woff2'),
       url('fonts/SuisseIntlMono-Regular-Web/S/SuisseIntlMono-Regular-WebS.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   CSS Custom Properties - Theme Variables
   ========================================================================== */

:root {
  /* Light Theme (default) */
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-text-muted: rgba(0, 0, 0, 0.3);
  --color-accent: #ff5f0f;
  --color-separator: rgba(0, 0, 0, 0.3);
  --color-link-hover: rgba(0, 0, 0, 0.6);
  
  /* Showcase */
  --showcase-bg: #f5f5f5;
  --showcase-shadow: 0px 8px 24px 0px rgba(0, 0, 0, 0.04);
  
  /* Spacing */
  --spacing-page: 40px;
  --spacing-section: 32px;
  --spacing-group: 16px;
  --spacing-entry: 12px;
  --spacing-inline: 6px;
  --spacing-gap: 1px;
  
  /* Typography */
  --font-family: 'Suisse Intl', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size: 14px;
  --line-height: 24px;
  --letter-spacing: 0.14px;
  
  /* Layout */
  --sidebar-width: 373px;
  --year-width: 33px;
  --year-gap: 16px;
  
  /* Transitions */
  --transition-theme: 0.3s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-bg: #0a0a0a;
  --color-text: #e5e5e5;
  --color-text-muted: rgba(255, 255, 255, 0.4);
  --color-accent: #ff7a33;
  --color-separator: rgba(255, 255, 255, 0.4);
  --color-link-hover: rgba(255, 255, 255, 0.7);
  
  --showcase-bg: #1a1a1a;
  --showcase-shadow: 0px 8px 24px 0px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size);
  font-weight: 450;
  line-height: var(--line-height);
  letter-spacing: var(--letter-spacing);
  font-variant-numeric: oldstyle-nums tabular-nums slashed-zero;
  font-feature-settings: "zero" 1;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
  transition: 
    background-color var(--transition-theme),
    color var(--transition-theme);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-theme);
}

a:hover {
  color: var(--color-link-hover);
}

h2 {
  font-size: inherit;
  font-weight: inherit;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Text selection */
::selection {
  background-color: #e5e5e5;
  color: var(--color-text);
}

::-moz-selection {
  background-color: #e5e5e5;
  color: var(--color-text);
}

[data-theme="dark"] ::selection {
  background-color: #333333;
}

[data-theme="dark"] ::-moz-selection {
  background-color: #333333;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  position: relative;
  min-height: 100vh;
  padding: var(--spacing-page);
  overflow-x: hidden;
  max-width: 100%;
  box-sizing: border-box;
}

/* ==========================================================================
   Sidebar (Left Column)
   ========================================================================== */

.sidebar {
  position: relative;
  width: var(--sidebar-width);
  max-width: 100%;
  padding-bottom: 80px;
  overflow-x: hidden;
  box-sizing: border-box;
}

.sidebar > *:not(.footer) {
  margin-bottom: var(--spacing-section);
}

.sidebar > *:not(.footer):last-of-type {
  margin-bottom: 0;
}

/* ==========================================================================
   Bio Section
   ========================================================================== */

.bio p {
  color: var(--color-text);
}

/* ==========================================================================
   Section Titles
   ========================================================================== */

.section-title {
  margin-bottom: var(--spacing-group);
}

/* ==========================================================================
   Timeline (Work & Projects)
   ========================================================================== */

.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-entry);
}

.timeline-group {
  display: flex;
  gap: var(--spacing-group);
}

.year {
  width: var(--year-width);
  flex-shrink: 0;
  color: var(--color-text-muted);
  font-family: 'Suisse Intl Mono', monospace;
  font-size: 13px;
  line-height: 24px;
}

.entries {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.entry {
  display: block;
}

.entry.single {
  display: block;
}

.company {
  color: var(--color-text);
  display: inline;
}

/* Add separator after company using pseudo-element */
.company::after {
  content: ' · ';
  color: var(--color-separator);
}

.project {
  color: var(--color-text);
  display: inline;
  word-wrap: break-word;
}

.project a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-theme);
}

.project a:hover {
  color: var(--color-link-hover);
}

.arrow {
  color: var(--color-separator);
}

.project a:hover .arrow,
.project-link:hover .arrow {
  color: var(--color-separator);
}

.project-link {
  color: var(--color-text);
  display: inline;
  word-wrap: break-word;
}

.project-link:hover {
  color: var(--color-link-hover);
}

/* Highlighted Entry */
/* Selectable entries */
.entry.selectable {
  cursor: pointer;
}

.entry.selectable .company,
.entry.selectable .project {
  transition: color 0.15s linear;
}

.entry.selectable:hover .company {
  color: var(--color-link-hover);
}

.entry.selectable:hover .project {
  color: var(--color-link-hover);
}

.entry.selectable.selected .company {
  color: var(--color-accent);
}

.entry.selectable.selected .company::after {
  color: var(--color-separator);
}

.entry.selectable.selected .project {
  color: var(--color-accent);
}

/* Affordance-only entry (no content yet) */
.entry.affordance {
  cursor: pointer;
}

.entry.affordance .project {
  transition: color 0.15s linear;
}

.entry.affordance:hover .project {
  color: var(--color-link-hover);
}

.entry.affordance.shake {
  animation: entry-shake 320ms ease-in-out;
}

@keyframes entry-shake {
  0% { transform: translateX(0); }
  20% { transform: translateX(-2px); }
  40% { transform: translateX(2px); }
  60% { transform: translateX(-1px); }
  80% { transform: translateX(1px); }
  100% { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .entry.affordance.shake {
    animation: none;
  }
}

/* Preserve orange color when selected text is highlighted */
.entry.selectable.selected .project::selection {
  background-color: #e5e5e5;
  color: var(--color-accent);
}

.entry.selectable.selected .project::-moz-selection {
  background-color: #e5e5e5;
  color: var(--color-accent);
}

[data-theme="dark"] .entry.selectable.selected .project::selection {
  background-color: #333333;
  color: var(--color-accent);
}

[data-theme="dark"] .entry.selectable.selected .project::-moz-selection {
  background-color: #333333;
  color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: calc(var(--sidebar-width) + var(--spacing-page) * 2);
  padding: var(--spacing-page);
  padding-top: 48px;
  z-index: 10;
}

/* Gradient fade effect at top */
.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-bg) 40%, transparent);
  pointer-events: none;
  z-index: -1;
}

/* Solid background only during theme transition to cover content below */
.footer::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 70%;
  background-color: var(--color-bg);
  pointer-events: none;
  z-index: -2;
  visibility: hidden;
  transition: background-color var(--transition-theme);
}

/* Show solid bg and hide gradient during theme transition */
html[data-theme-transitioning] .footer::before {
  visibility: hidden;
}

html[data-theme-transitioning] .footer::after {
  visibility: visible;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-link {
  color: var(--color-text);
}

.social-link:hover {
  color: var(--color-link-hover);
}

/* ==========================================================================
   Theme Toggle Button
   ========================================================================== */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: opacity var(--transition-theme);
}

.theme-toggle:hover {
  opacity: 0.6;
}

.theme-icon {
  transition: filter var(--transition-theme);
}

/* Invert icon color in dark mode */
[data-theme="dark"] .theme-icon {
  filter: invert(1);
}

/* ==========================================================================
   Showcase (Right Column)
   ========================================================================== */

.showcase {
  position: fixed;
  top: var(--spacing-page);
  right: var(--spacing-page);
  bottom: var(--spacing-page);
  left: calc(var(--sidebar-width) + var(--spacing-page) * 2);
  overflow: hidden;
  border-radius: 4px;
  background-color: var(--showcase-bg);
}

.showcase-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-background {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Dark mode overlay to dim background */
.showcase-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0);
  z-index: 1;
  pointer-events: none;
  transition: background-color var(--transition-theme);
}

[data-theme="dark"] .showcase-inner::before {
  background-color: rgba(0, 0, 0, 0.4);
}

/* Carousel progress bar */
.carousel-progress {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 6px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
  z-index: 10;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.3s ease, background-color var(--transition-theme);
}

.carousel-progress.paused {
  opacity: 0;
}

.carousel-progress-bar {
  height: 100%;
  width: 0%;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 3px;
  transition: none;
}

.carousel-progress.running .carousel-progress-bar {
  width: 100%;
  transition: width 10s linear, background-color var(--transition-theme);
}

/* Dark mode progress bar */
[data-theme="dark"] .carousel-progress {
  background-color: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .carousel-progress-bar {
  background-color: rgba(0, 0, 0, 0.6);
}

.showcase-image-wrapper {
  position: relative;
  z-index: 2;
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  opacity: 1;
  transition: opacity 0.4s linear;
}

.showcase-image-wrapper.fading {
  opacity: 0;
}

.showcase-image-wrapper.fading-fast {
  opacity: 0;
  transition: opacity 0.1s linear;
}

.showcase-image {
  display: block;
  width: auto;
  height: auto;
  max-width: min(1024px, calc(100vw - var(--sidebar-width) - var(--spacing-page) * 3 - 80px));
  max-height: min(768px, calc(100vh - var(--spacing-page) * 2 - 80px));
  object-fit: contain;
  box-shadow: var(--showcase-shadow);
  border-radius: 8px;
}

/* Image group for multiple images (e.g., summarize and compose) */
.showcase-image-group {
  display: none;
  flex-direction: column;
  gap: 40px;
  align-items: center;
  justify-content: center;
}

.showcase-image-group .showcase-image {
  width: auto;
  max-width: min(480px, calc(100vw - var(--sidebar-width) - var(--spacing-page) * 3 - 80px));
  height: auto;
  max-height: min(384px, calc((100vh - var(--spacing-page) * 2 - 80px) / 2 - 20px));
  object-fit: contain;
  box-shadow: none;
}

/* Horizontal image group for side-by-side layout (e.g., AI mobile) */
.showcase-image-group-horizontal {
  display: none;
  flex-direction: row;
  gap: 40px;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  max-width: 100%;
  overflow: hidden;
}

.showcase-image-group-horizontal .showcase-image {
  width: auto;
  max-width: calc((100% - 40px) / 2); /* Account for gap between images */
  height: 100%;
  max-height: min(874px, calc(100vh - var(--spacing-page) * 2 - 80px));
  object-fit: contain;
  box-shadow: none;
  flex: 0 1 auto; /* Allow shrinking, don't force equal sizes */
  min-width: 0;
}

/* Show light image in light mode, dark image in dark mode */
/* Hide all images by default */
.showcase-image {
  display: none;
}

/* Vision - Single image for both modes */
.showcase-image-vision {
  display: none;
}

/* Navigation Redesign - Light mode */
.showcase-image-navigation-redesign-light {
  display: none;
}

/* Navigation Redesign - Dark mode */
.showcase-image-navigation-redesign-dark {
  display: none;
}

/* Show selected image based on data-selected attribute */
.showcase[data-selected="vision"] .showcase-image-vision {
  display: block;
}

.showcase[data-selected="vision"] .showcase-image-navigation-redesign-light,
.showcase[data-selected="vision"] .showcase-image-navigation-redesign-dark,
.showcase[data-selected="vision"] .showcase-image-ai-web-light,
.showcase[data-selected="vision"] .showcase-image-ai-web-dark,
.showcase[data-selected="vision"] .showcase-image-ai-memory-light,
.showcase[data-selected="vision"] .showcase-image-ai-memory-dark,
.showcase[data-selected="vision"] .showcase-image-add-context-light,
.showcase[data-selected="vision"] .showcase-image-add-context-dark,
.showcase[data-selected="vision"] .showcase-image-meeting-scheduling-agent-light,
.showcase[data-selected="vision"] .showcase-image-meeting-scheduling-agent-dark,
.showcase[data-selected="vision"] .showcase-image-home-redesign-light,
.showcase[data-selected="vision"] .showcase-image-home-redesign-dark,
.showcase[data-selected="vision"] .showcase-image-group,
.showcase[data-selected="vision"] .showcase-image-group-horizontal {
  display: none;
}

.showcase[data-selected="navigation-redesign"] .showcase-image-vision,
.showcase[data-selected="navigation-redesign"] .showcase-image-ai-web-light,
.showcase[data-selected="navigation-redesign"] .showcase-image-ai-web-dark,
.showcase[data-selected="navigation-redesign"] .showcase-image-ai-memory-light,
.showcase[data-selected="navigation-redesign"] .showcase-image-ai-memory-dark,
.showcase[data-selected="navigation-redesign"] .showcase-image-add-context-light,
.showcase[data-selected="navigation-redesign"] .showcase-image-add-context-dark,
.showcase[data-selected="navigation-redesign"] .showcase-image-meeting-scheduling-agent-light,
.showcase[data-selected="navigation-redesign"] .showcase-image-meeting-scheduling-agent-dark,
.showcase[data-selected="navigation-redesign"] .showcase-image-home-redesign-light,
.showcase[data-selected="navigation-redesign"] .showcase-image-home-redesign-dark,
.showcase[data-selected="navigation-redesign"] .showcase-image-group,
.showcase[data-selected="navigation-redesign"] .showcase-image-group-horizontal {
  display: none;
}

.showcase[data-selected="navigation-redesign"] .showcase-image-navigation-redesign-light {
  display: block;
}

.showcase[data-selected="navigation-redesign"] .showcase-image-navigation-redesign-dark {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="navigation-redesign"] .showcase-image-navigation-redesign-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="navigation-redesign"] .showcase-image-navigation-redesign-dark {
  display: block;
}

/* AI Web Images (default selected) */
.showcase-image-ai-web-light {
  display: block;
}

.showcase-image-ai-web-dark {
  display: none;
}

[data-theme="dark"] .showcase-image-ai-web-light {
  display: none;
}

[data-theme="dark"] .showcase-image-ai-web-dark {
  display: block;
}

.showcase[data-selected="ai-web"] .showcase-image-vision,
.showcase[data-selected="ai-web"] .showcase-image-navigation-redesign-light,
.showcase[data-selected="ai-web"] .showcase-image-navigation-redesign-dark,
.showcase[data-selected="ai-web"] .showcase-image-ai-memory-light,
.showcase[data-selected="ai-web"] .showcase-image-ai-memory-dark,
.showcase[data-selected="ai-web"] .showcase-image-add-context-light,
.showcase[data-selected="ai-web"] .showcase-image-add-context-dark,
.showcase[data-selected="ai-web"] .showcase-image-meeting-scheduling-agent-light,
.showcase[data-selected="ai-web"] .showcase-image-meeting-scheduling-agent-dark,
.showcase[data-selected="ai-web"] .showcase-image-home-redesign-light,
.showcase[data-selected="ai-web"] .showcase-image-home-redesign-dark,
.showcase[data-selected="ai-web"] .showcase-image-group,
.showcase[data-selected="ai-web"] .showcase-image-group-horizontal {
  display: none;
}

.showcase[data-selected="ai-web"] .showcase-image-ai-web-light {
  display: block;
}

.showcase[data-selected="ai-web"] .showcase-image-ai-web-dark {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="ai-web"] .showcase-image-ai-web-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="ai-web"] .showcase-image-ai-web-dark {
  display: block;
}

/* AI Memory Images */
.showcase-image-ai-memory-light,
.showcase-image-ai-memory-dark {
  display: none;
}

.showcase[data-selected="ai-memory"] .showcase-image-vision,
.showcase[data-selected="ai-memory"] .showcase-image-navigation-redesign-light,
.showcase[data-selected="ai-memory"] .showcase-image-navigation-redesign-dark,
.showcase[data-selected="ai-memory"] .showcase-image-ai-web-light,
.showcase[data-selected="ai-memory"] .showcase-image-ai-web-dark,
.showcase[data-selected="ai-memory"] .showcase-image-add-context-light,
.showcase[data-selected="ai-memory"] .showcase-image-add-context-dark,
.showcase[data-selected="ai-memory"] .showcase-image-meeting-scheduling-agent-light,
.showcase[data-selected="ai-memory"] .showcase-image-meeting-scheduling-agent-dark,
.showcase[data-selected="ai-memory"] .showcase-image-home-redesign-light,
.showcase[data-selected="ai-memory"] .showcase-image-home-redesign-dark,
.showcase[data-selected="ai-memory"] .showcase-image-group,
.showcase[data-selected="ai-memory"] .showcase-image-group-horizontal {
  display: none;
}

.showcase[data-selected="ai-memory"] .showcase-image-ai-memory-light {
  display: block;
}

.showcase[data-selected="ai-memory"] .showcase-image-ai-memory-dark {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="ai-memory"] .showcase-image-ai-memory-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="ai-memory"] .showcase-image-ai-memory-dark {
  display: block;
}

/* Add Context Images */
.showcase-image-add-context-light,
.showcase-image-add-context-dark {
  display: none;
}

.showcase[data-selected="add-context"] .showcase-image-vision,
.showcase[data-selected="add-context"] .showcase-image-navigation-redesign-light,
.showcase[data-selected="add-context"] .showcase-image-navigation-redesign-dark,
.showcase[data-selected="add-context"] .showcase-image-ai-web-light,
.showcase[data-selected="add-context"] .showcase-image-ai-web-dark,
.showcase[data-selected="add-context"] .showcase-image-ai-memory-light,
.showcase[data-selected="add-context"] .showcase-image-ai-memory-dark,
.showcase[data-selected="add-context"] .showcase-image-meeting-scheduling-agent-light,
.showcase[data-selected="add-context"] .showcase-image-meeting-scheduling-agent-dark,
.showcase[data-selected="add-context"] .showcase-image-home-redesign-light,
.showcase[data-selected="add-context"] .showcase-image-home-redesign-dark,
.showcase[data-selected="add-context"] .showcase-image-group,
.showcase[data-selected="add-context"] .showcase-image-group-horizontal {
  display: none;
}

.showcase[data-selected="add-context"] .showcase-image-add-context-light {
  display: block;
}

.showcase[data-selected="add-context"] .showcase-image-add-context-dark {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="add-context"] .showcase-image-add-context-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="add-context"] .showcase-image-add-context-dark {
  display: block;
}

/* Meeting Scheduling Agent Images */
.showcase-image-meeting-scheduling-agent-light,
.showcase-image-meeting-scheduling-agent-dark {
  display: none;
}

.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-vision,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-navigation-redesign-light,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-navigation-redesign-dark,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-ai-web-light,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-ai-web-dark,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-ai-memory-light,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-ai-memory-dark,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-add-context-light,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-add-context-dark,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-home-redesign-light,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-home-redesign-dark,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-group,
.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-group-horizontal {
  display: none;
}

.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-meeting-scheduling-agent-light {
  display: block;
}

.showcase[data-selected="meeting-scheduling-agent"] .showcase-image-meeting-scheduling-agent-dark {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="meeting-scheduling-agent"] .showcase-image-meeting-scheduling-agent-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="meeting-scheduling-agent"] .showcase-image-meeting-scheduling-agent-dark {
  display: block;
}

/* Home Redesign Images */
.showcase-image-home-redesign-light,
.showcase-image-home-redesign-dark {
  display: none;
}

.showcase[data-selected="home-redesign"] .showcase-image-vision,
.showcase[data-selected="home-redesign"] .showcase-image-navigation-redesign-light,
.showcase[data-selected="home-redesign"] .showcase-image-navigation-redesign-dark,
.showcase[data-selected="home-redesign"] .showcase-image-ai-web-light,
.showcase[data-selected="home-redesign"] .showcase-image-ai-web-dark,
.showcase[data-selected="home-redesign"] .showcase-image-ai-memory-light,
.showcase[data-selected="home-redesign"] .showcase-image-ai-memory-dark,
.showcase[data-selected="home-redesign"] .showcase-image-add-context-light,
.showcase[data-selected="home-redesign"] .showcase-image-add-context-dark,
.showcase[data-selected="home-redesign"] .showcase-image-meeting-scheduling-agent-light,
.showcase[data-selected="home-redesign"] .showcase-image-meeting-scheduling-agent-dark,
.showcase[data-selected="home-redesign"] .showcase-image-group,
.showcase[data-selected="home-redesign"] .showcase-image-group-horizontal {
  display: none;
}

.showcase[data-selected="home-redesign"] .showcase-image-home-redesign-light {
  display: block;
}

.showcase[data-selected="home-redesign"] .showcase-image-home-redesign-dark {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="home-redesign"] .showcase-image-home-redesign-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="home-redesign"] .showcase-image-home-redesign-dark {
  display: block;
}

/* Summarize and Compose Images (two images stacked) */
.showcase-image-summary-light,
.showcase-image-summary-dark,
.showcase-image-compose-light,
.showcase-image-compose-dark {
  display: none;
}

.showcase[data-selected="summarize-compose"] .showcase-image-vision,
.showcase[data-selected="summarize-compose"] .showcase-image-navigation-redesign-light,
.showcase[data-selected="summarize-compose"] .showcase-image-navigation-redesign-dark,
.showcase[data-selected="summarize-compose"] .showcase-image-ai-web-light,
.showcase[data-selected="summarize-compose"] .showcase-image-ai-web-dark,
.showcase[data-selected="summarize-compose"] .showcase-image-ai-memory-light,
.showcase[data-selected="summarize-compose"] .showcase-image-ai-memory-dark,
.showcase[data-selected="summarize-compose"] .showcase-image-add-context-light,
.showcase[data-selected="summarize-compose"] .showcase-image-add-context-dark,
.showcase[data-selected="summarize-compose"] .showcase-image-meeting-scheduling-agent-light,
.showcase[data-selected="summarize-compose"] .showcase-image-meeting-scheduling-agent-dark,
.showcase[data-selected="summarize-compose"] .showcase-image-home-redesign-light,
.showcase[data-selected="summarize-compose"] .showcase-image-home-redesign-dark,
.showcase[data-selected="summarize-compose"] .showcase-image-group-horizontal {
  display: none;
}

.showcase[data-selected="summarize-compose"] .showcase-image-group {
  display: flex;
}

.showcase[data-selected="summarize-compose"] .showcase-image-summary-light {
  display: block;
}

.showcase[data-selected="summarize-compose"] .showcase-image-summary-dark {
  display: none;
}

.showcase[data-selected="summarize-compose"] .showcase-image-compose-light {
  display: block;
}

.showcase[data-selected="summarize-compose"] .showcase-image-compose-dark {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="summarize-compose"] .showcase-image-summary-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="summarize-compose"] .showcase-image-summary-dark {
  display: block;
}

[data-theme="dark"] .showcase[data-selected="summarize-compose"] .showcase-image-compose-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="summarize-compose"] .showcase-image-compose-dark {
  display: block;
}

/* AI Mobile Images (two images side by side) */
.showcase-image-mobile-1-light,
.showcase-image-mobile-1-dark,
.showcase-image-mobile-2-light,
.showcase-image-mobile-2-dark {
  display: none;
}

.showcase[data-selected="ai-mobile"] .showcase-image-vision,
.showcase[data-selected="ai-mobile"] .showcase-image-navigation-redesign-light,
.showcase[data-selected="ai-mobile"] .showcase-image-navigation-redesign-dark,
.showcase[data-selected="ai-mobile"] .showcase-image-ai-web-light,
.showcase[data-selected="ai-mobile"] .showcase-image-ai-web-dark,
.showcase[data-selected="ai-mobile"] .showcase-image-ai-memory-light,
.showcase[data-selected="ai-mobile"] .showcase-image-ai-memory-dark,
.showcase[data-selected="ai-mobile"] .showcase-image-add-context-light,
.showcase[data-selected="ai-mobile"] .showcase-image-add-context-dark,
.showcase[data-selected="ai-mobile"] .showcase-image-meeting-scheduling-agent-light,
.showcase[data-selected="ai-mobile"] .showcase-image-meeting-scheduling-agent-dark,
.showcase[data-selected="ai-mobile"] .showcase-image-home-redesign-light,
.showcase[data-selected="ai-mobile"] .showcase-image-home-redesign-dark,
.showcase[data-selected="ai-mobile"] .showcase-image-group,
.showcase[data-selected="ai-mobile"] .showcase-image-summary-light,
.showcase[data-selected="ai-mobile"] .showcase-image-summary-dark,
.showcase[data-selected="ai-mobile"] .showcase-image-compose-light,
.showcase[data-selected="ai-mobile"] .showcase-image-compose-dark {
  display: none;
}

.showcase[data-selected="ai-mobile"] .showcase-image-group-horizontal {
  display: flex;
}

.showcase[data-selected="ai-mobile"] .showcase-image-mobile-1-light {
  display: block;
}

.showcase[data-selected="ai-mobile"] .showcase-image-mobile-1-dark {
  display: none;
}

.showcase[data-selected="ai-mobile"] .showcase-image-mobile-2-light {
  display: block;
}

.showcase[data-selected="ai-mobile"] .showcase-image-mobile-2-dark {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="ai-mobile"] .showcase-image-mobile-1-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="ai-mobile"] .showcase-image-mobile-1-dark {
  display: block;
}

[data-theme="dark"] .showcase[data-selected="ai-mobile"] .showcase-image-mobile-2-light {
  display: none;
}

[data-theme="dark"] .showcase[data-selected="ai-mobile"] .showcase-image-mobile-2-dark {
  display: block;
}

/* ==========================================================================
   Responsive Design - Tablet
   ========================================================================== */

@media (max-width: 1024px) {
  :root {
    --spacing-page: 32px;
    --sidebar-width: 320px;
  }
}

/* ==========================================================================
   Responsive Design - Mobile
   ========================================================================== */

/* Hide mobile modal on desktop by default */
.mobile-modal {
  display: none;
}

@media (max-width: 768px) {
  :root {
    --spacing-page: 24px;
    --font-size: 16px;
    --line-height: 26px;
  }
  
  .sidebar {
    width: 100%;
    padding-bottom: 0;
  }
  
  .showcase {
    display: none;
  }
  
  /* Disable orange highlight on mobile */
  .entry.selectable.selected .company,
  .entry.selectable.selected .project {
    color: var(--color-text);
  }
  
  .year {
    font-size: 14px;
  }
  
  .footer {
    position: relative;
    width: 100%;
    padding: 0;
    padding-top: var(--spacing-section);
  }
  
  .footer::before,
  .footer::after {
    display: none;
  }
  
  /* Mobile Modal */
  .mobile-modal {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    min-height: 100dvh;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s linear, visibility 0.1s linear;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .mobile-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  
  .mobile-modal-underlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    min-height: 100dvh;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1001;
  }
  
  .mobile-modal-content {
    position: relative;
    z-index: 1002;
    width: 100%;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-page);
    box-sizing: border-box;
  }
  
  .mobile-showcase {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .mobile-showcase-inner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: calc(100vw * 3 / 4);
    max-width: calc(100vh * 4 / 3);
    max-height: 100vh;
    z-index: 1;
  }
  
  .mobile-showcase-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    margin: 0;
    z-index: 1;
  }
  
  /* Dark mode overlay for mobile - placed on inner container */
  .mobile-showcase-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    z-index: 2;
    pointer-events: none;
    transition: background-color var(--transition-theme);
  }
  
  [data-theme="dark"] .mobile-showcase-inner::before {
    background-color: rgba(0, 0, 0, 0.4);
  }
  
  .mobile-showcase-image-wrapper {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    z-index: 3;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
  
  .mobile-showcase-image-wrapper .showcase-image {
    display: none;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
  }
  
  .mobile-showcase-image-wrapper .showcase-image-group {
    display: none;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
  
  .mobile-showcase-image-wrapper .showcase-image-group .showcase-image {
    width: auto;
    max-width: min(480px, 100%);
    height: auto;
    max-height: calc((100% - 20px) / 2);
    object-fit: contain;
    box-shadow: none;
  }
  
  .mobile-showcase-image-wrapper .showcase-image-group-horizontal {
    display: none;
    flex-direction: row;
    gap: 40px;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
  }
  
  .mobile-showcase-image-wrapper .showcase-image-group-horizontal .showcase-image {
    width: auto;
    max-width: calc((100% - 40px) / 2);
    height: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: none;
    flex: 0 1 auto;
    min-width: 0;
  }
  
  /* Show light image in light mode, dark image in dark mode for mobile */
  .mobile-showcase[data-selected] .showcase-image {
    display: none;
  }
  
  .mobile-showcase[data-selected="ai-web"] .showcase-image-ai-web-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="ai-web"] .showcase-image-ai-web-dark {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="ai-web"] .showcase-image-ai-web-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="ai-web"] .showcase-image-ai-web-dark {
    display: block;
  }
  
  .mobile-showcase[data-selected="ai-memory"] .showcase-image-ai-memory-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="ai-memory"] .showcase-image-ai-memory-dark {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="ai-memory"] .showcase-image-ai-memory-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="ai-memory"] .showcase-image-ai-memory-dark {
    display: block;
  }
  
  .mobile-showcase[data-selected="ai-mobile"] .showcase-image-group-horizontal {
    display: flex;
  }
  
  .mobile-showcase[data-selected="ai-mobile"] .showcase-image-mobile-1-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="ai-mobile"] .showcase-image-mobile-1-dark {
    display: none;
  }
  
  .mobile-showcase[data-selected="ai-mobile"] .showcase-image-mobile-2-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="ai-mobile"] .showcase-image-mobile-2-dark {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="ai-mobile"] .showcase-image-mobile-1-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="ai-mobile"] .showcase-image-mobile-1-dark {
    display: block;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="ai-mobile"] .showcase-image-mobile-2-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="ai-mobile"] .showcase-image-mobile-2-dark {
    display: block;
  }
  
  .mobile-showcase[data-selected="add-context"] .showcase-image-add-context-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="add-context"] .showcase-image-add-context-dark {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="add-context"] .showcase-image-add-context-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="add-context"] .showcase-image-add-context-dark {
    display: block;
  }
  
  .mobile-showcase[data-selected="meeting-scheduling-agent"] .showcase-image-meeting-scheduling-agent-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="meeting-scheduling-agent"] .showcase-image-meeting-scheduling-agent-dark {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="meeting-scheduling-agent"] .showcase-image-meeting-scheduling-agent-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="meeting-scheduling-agent"] .showcase-image-meeting-scheduling-agent-dark {
    display: block;
  }
  
  .mobile-showcase[data-selected="home-redesign"] .showcase-image-home-redesign-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="home-redesign"] .showcase-image-home-redesign-dark {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="home-redesign"] .showcase-image-home-redesign-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="home-redesign"] .showcase-image-home-redesign-dark {
    display: block;
  }
  
  .mobile-showcase[data-selected="navigation-redesign"] .showcase-image-navigation-redesign-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="navigation-redesign"] .showcase-image-navigation-redesign-dark {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="navigation-redesign"] .showcase-image-navigation-redesign-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="navigation-redesign"] .showcase-image-navigation-redesign-dark {
    display: block;
  }
  
  .mobile-showcase[data-selected="summarize-compose"] .showcase-image-group {
    display: flex;
  }
  
  .mobile-showcase[data-selected="summarize-compose"] .showcase-image-summary-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="summarize-compose"] .showcase-image-summary-dark {
    display: none;
  }
  
  .mobile-showcase[data-selected="summarize-compose"] .showcase-image-compose-light {
    display: block;
  }
  
  .mobile-showcase[data-selected="summarize-compose"] .showcase-image-compose-dark {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="summarize-compose"] .showcase-image-summary-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="summarize-compose"] .showcase-image-summary-dark {
    display: block;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="summarize-compose"] .showcase-image-compose-light {
    display: none;
  }
  
  [data-theme="dark"] .mobile-showcase[data-selected="summarize-compose"] .showcase-image-compose-dark {
    display: block;
  }
  
  .mobile-showcase[data-selected="vision"] .showcase-image-vision {
    display: block;
  }
}

/* ==========================================================================
   Responsive Design - Small Mobile
   ========================================================================== */

@media (max-width: 480px) {
  :root {
    --spacing-page: 20px;
  }
  
  .timeline-group {
    flex-direction: column;
    gap: 4px;
  }
  
  .year {
    width: auto;
  }
  
  .entries {
    padding-left: 0;
  }
}

/* ==========================================================================
   Prefers Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .showcase,
  .theme-toggle {
    display: none;
  }
  
  .sidebar {
    width: 100%;
  }
  
  .container {
    display: block;
  }
}