/* Shared styles for CarlinInteractive.com — Cabin & Nature Theme */
@font-face {
  font-family: 'Inconsolata';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/Inconsolata-Regular.ttf') format('truetype');
}

/* CSS Custom Properties — warm, earthy cabin palette */
:root {
  --color-bg: #f5f0e6;
  --color-surface: #faf7f0;
  --color-text: #2c1810;
  --color-text-secondary: #5c4a3a;
  --color-heading: #1a0f08;
  --color-accent: #3a6b35;
  --color-accent-hover: #2d5016;
  --color-accent-subtle: #e8f0e4;
  --color-border: #d4c4a8;
  --color-border-light: #e6dcc8;
  --color-muted: #685a4c;
  --color-warm-highlight: #c9a96e;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Merriweather', 'Georgia', 'Times New Roman', serif;
  --font-mono: 'Inconsolata', 'SF Mono', 'Fira Code', monospace;
  --max-width: 880px;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(44, 24, 16, 0.06), 0 1px 2px rgba(44, 24, 16, 0.04);
  --shadow-md: 0 4px 12px rgba(44, 24, 16, 0.08), 0 2px 4px rgba(44, 24, 16, 0.04);
  --color-success-bg: #e8f5e8;
  --color-success-border: #a8d5a2;
  --color-success-text: #2d5016;
  --color-error-bg: #fdf0ef;
  --color-error-border: #f0c0b8;
  --color-error-text: #c0392b;
  --color-adults-bg: #f0e8d8;
  --color-adults-text: #7a5c2e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1612;
    --color-surface: #252019;
    --color-text: #e0d8cc;
    --color-text-secondary: #b8a898;
    --color-heading: #f0e8dc;
    --color-accent: #5a9b55;
    --color-accent-hover: #7bb876;
    --color-accent-subtle: #1e2e1c;
    --color-border: #3a3228;
    --color-border-light: #2e2820;
    --color-muted: #9a8b7d;
    --color-warm-highlight: #a08040;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --color-success-bg: #1a2e1a;
    --color-success-border: #2d5016;
    --color-success-text: #7bb876;
    --color-error-bg: #2e1a18;
    --color-error-border: #6b2e28;
    --color-error-text: #e8736a;
    --color-adults-bg: #2e2618;
    --color-adults-text: #c9a96e;
  }
  .lp-status-in-progress {
    background: #3d2e0f;
    color: #e6b54a;
  }
}

/* Skip to main content link — visible only on focus */
.skip-link {
  position: absolute;
  top: -3rem;
  left: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 200;
  text-decoration: none;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

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

html,
body {
  min-height: 100%;
  margin: 0;
  padding: 0;
}

body {
  height: 100%;
  background-color: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout container */
.site-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 2.5rem 4rem;
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
  padding: 0.5rem;
  margin-bottom: 2.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav a::before,
.site-nav a::after {
  content: none;
}

.site-nav a:hover {
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
}

.site-nav a.active {
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
  font-weight: 600;
}

/* Hamburger button - hidden on desktop */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 4px;
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2.5px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburger animation when open */
.nav-open .nav-hamburger .hamburger-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-open .nav-hamburger .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-hamburger .hamburger-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Page headings */
h1 {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0 0 0.5rem;
  letter-spacing: -0.015em;
  text-transform: none;
}

h1 .errorcode {
  display: none;
}

/* Subtitle / lead text */
.lead {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin: 0 0 2rem;
  line-height: 1.75;
}

/* Section headers */
.section-header {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-warm-highlight);
}

.section-header::before {
  content: none;
}

/* Competency grid */
.competency-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.competency-category {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-warm-highlight);
}

.competency-category h3 {
  color: var(--color-heading);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.competency-category ul {
  padding-left: 0;
  margin: 0;
}

.competency-category li {
  list-style: none;
  color: var(--color-text);
  font-size: 0.88rem;
  line-height: 1.8;
}

.competency-category li::before {
  content: none;
}

/* Experience entries */
.experience-entry {
  margin: 1.75rem 0;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.experience-entry .org {
  color: var(--color-heading);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.experience-entry .role {
  color: var(--color-accent);
  font-size: 0.95rem;
  font-weight: 500;
}

.experience-entry .date {
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-top: 0.1rem;
}

.experience-entry .desc {
  margin: 0.75rem 0 0;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--color-text);
}

.experience-entry .desc p {
  margin: 0 0 0.75rem;
}

.experience-entry .desc ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0 0;
}

.experience-entry .desc li {
  list-style: disc;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.experience-entry .desc li::before {
  content: none;
}

/* Education entries */
.education-entry {
  margin: 1.25rem 0;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.education-entry .school {
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.education-entry .degree {
  color: var(--color-heading);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
}

.education-entry .focus {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-style: italic;
}

/* Links */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a::before,
a::after {
  content: none;
}

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

/* Diagram containers */
.diagram-container {
  max-width: 700px;
  margin: 1.5rem auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.diagram-container svg {
  width: 100%;
  height: auto;
}

/* Pattern sections */
.pattern-section {
  margin: 2.5rem 0;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.pattern-section h2 {
  color: var(--color-heading);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.pattern-section h2::before {
  content: none;
}

.pattern-section .pattern-desc {
  color: var(--color-text);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.pattern-section .diagram-container {
  border-color: var(--color-border-light);
  box-shadow: none;
  margin-bottom: 0;
}

/* Table of contents */
.toc {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.toc ul {
  padding-left: 0;
  columns: 2;
  column-gap: 2rem;
}

.toc li {
  list-style: none;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  break-inside: avoid;
}

.toc li::before {
  content: none;
}

.toc a::before,
.toc a::after {
  content: none;
}

.toc a {
  color: var(--color-accent);
  font-weight: 500;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.toc a:hover {
  color: var(--color-accent-hover);
  border-bottom-color: var(--color-accent-hover);
}

/* Card utility */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1rem 0;
  box-shadow: var(--shadow-sm);
}

/* Footer */
.site-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* Interests grid on homepage */
.interests-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.25rem 0 0;
}

.interest-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.interest-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  border-radius: 6px;
  color: var(--color-accent);
}

.interest-icon svg {
  width: 20px;
  height: 20px;
}

.interest-item h3 {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-heading);
  margin: 0 0 0.2rem;
}

.interest-item p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Tools grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-accent);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.tool-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tool-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin: 0 0 0.5rem;
}

.tool-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0 0 1rem;
  line-height: 1.6;
}

.tool-card .tool-link {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-accent);
}

.tool-card .tool-link:hover {
  color: var(--color-accent-hover);
}

/* Games grid */
.games-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.game-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  text-align: center;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  border-top: 3px solid var(--color-warm-highlight);
}

.game-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--color-text);
}

.game-card .game-icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.game-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin: 0 0 0.35rem;
}

.game-card p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Game page layout */
.game-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.game-header .back-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
}

.game-header h1 {
  margin: 0;
  font-size: 1.5rem;
}

.game-container {
  max-width: 500px;
  margin: 0 auto;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.game-board {
  width: min(90vmin, 400px);
  margin: 0 auto;
}

.game-score {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin: 1rem 0;
}

.game-btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.game-btn:hover {
  background: var(--color-accent-hover);
}

/* Tool form styles */
.tool-form {
  margin: 1.5rem 0;
}

.tool-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 0.35rem;
}

.tool-form input,
.tool-form select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-surface);
  margin-bottom: 1rem;
}

.tool-form input:focus,
.tool-form select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.tool-form .input-row {
  display: flex;
  gap: 0.75rem;
}

.tool-form .input-row > * {
  flex: 1;
}

.tool-results {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.8;
}

.tool-results .result-label {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tool-results .result-value {
  color: var(--color-heading);
  font-weight: 600;
}

.dns-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.88rem;
}

.dns-table th,
.dns-table td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.dns-table th {
  font-weight: 600;
  color: var(--color-heading);
  background: var(--color-accent-subtle);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dns-table td {
  font-family: var(--font-mono);
  color: var(--color-text);
  word-break: break-all;
}

/* Learning section */
.learning-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.learning-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-warm-highlight);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  text-decoration: none;
  display: block;
  color: inherit;
}

.learning-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: inherit;
}

.learning-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin: 0 0 0.5rem;
}

.learning-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0 0 0.75rem;
  line-height: 1.6;
}

.audience-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.audience-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.audience-tag.adults {
  background: var(--color-adults-bg);
  color: var(--color-adults-text);
}

/* Audience toggle */
.audience-toggle {
  display: flex;
  gap: 0.5rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.audience-toggle button {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.audience-toggle button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.audience-toggle button.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* Flashcard */
.flashcard-deck {
  max-width: 500px;
  margin: 1rem auto;
}

.flashcard {
  perspective: 800px;
  height: 220px;
  margin-bottom: 1rem;
  cursor: pointer;
}

.flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease;
  transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  backface-visibility: hidden;
  font-size: 1.2rem;
  text-align: center;
}

.flashcard-front {
  background: var(--color-surface);
  color: var(--color-heading);
  font-weight: 600;
}

.flashcard-back {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-weight: 600;
  transform: rotateY(180deg);
}

.flashcard-controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin: 1rem 0;
}

.flashcard-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 1rem 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* Quiz */
.quiz-container {
  max-width: 600px;
  margin: 1rem auto;
}

.quiz-progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.quiz-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--color-border-light);
  border-radius: 3px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.quiz-question {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.quiz-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-option:hover:not(.disabled) {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.quiz-option.correct {
  border-color: var(--color-accent);
  background: var(--color-success-bg);
  color: var(--color-success-text);
  font-weight: 600;
}

.quiz-option.incorrect {
  border-color: var(--color-error-text);
  background: var(--color-error-bg);
  color: var(--color-error-text);
}

.quiz-option.disabled {
  cursor: default;
  opacity: 0.7;
}

.quiz-feedback {
  margin-top: 1rem;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 500;
}

.quiz-feedback.correct {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  border: 1px solid var(--color-success-border);
}

.quiz-feedback.incorrect {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  border: 1px solid var(--color-error-border);
}

.quiz-score {
  text-align: center;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.quiz-score .score-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.quiz-score .score-label {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* Matching game */
.matching-game {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 600px;
  margin: 1rem auto;
}

.matching-column {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.matching-item {
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-size: 0.92rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  user-select: none;
}

.matching-item:hover:not(.matched) {
  border-color: var(--color-accent);
}

.matching-item.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
  font-weight: 600;
}

.matching-item.matched {
  border-color: var(--color-accent);
  background: var(--color-success-bg);
  color: var(--color-success-text);
  cursor: default;
  opacity: 0.8;
}

.matching-item.wrong {
  border-color: var(--color-error-text);
  background: var(--color-error-bg);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* Timer */
.timer-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-heading);
}

.timer-bar .timer-track {
  flex: 1;
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}

.timer-bar .timer-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 4px;
  transition: width 1s linear;
}

.timer-bar .timer-fill.warning {
  background: var(--color-warm-highlight);
}

.timer-bar .timer-fill.danger {
  background: var(--color-error-text);
}

/* Learning section card */
.learning-section-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1rem 0;
  box-shadow: var(--shadow-sm);
}

.learning-section-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-heading);
  margin: 0 0 0.5rem;
}

/* Error text utility */
.error-text {
  color: var(--color-error-text);
}

/* ===== Learning App — Dashboard & Module System ===== */

/* Search */
.lp-search-wrap {
  position: relative;
  margin-bottom: 1.5rem;
}
.lp-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color 0.2s ease;
  box-sizing: border-box;
}
.lp-search-input:focus {
  outline: none;
  border-color: var(--color-accent);
}
.lp-search-input::placeholder {
  color: var(--color-muted);
}
.lp-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  font-size: 1rem;
  pointer-events: none;
}
.lp-search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  max-height: 320px;
  overflow-y: auto;
  display: none;
}
.lp-search-results.open {
  display: block;
}
.lp-search-result {
  display: block;
  padding: 0.65rem 1rem;
  text-decoration: none;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.15s ease;
}
.lp-search-result:last-child {
  border-bottom: none;
}
.lp-search-result:hover {
  background: var(--color-accent-subtle);
}
.lp-search-result-title {
  font-weight: 600;
  font-size: 0.92rem;
}
.lp-search-result-meta {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 0.15rem;
}
.lp-search-empty {
  padding: 1rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Dashboard Stats Banner */
.lp-stats-banner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}
.lp-stats-banner .lp-stat {
  text-align: center;
}
.lp-stats-banner .lp-stat-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1;
}
.lp-stats-banner .lp-stat-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 0.2rem;
}
.lp-stats-banner .lp-progress-bar {
  flex: 1;
}

/* Progress Bar */
.lp-progress-bar {
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}
.lp-progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 4px;
  transition: width 0.4s ease;
}

/* Continue Learning Card */
.lp-continue {
  margin-bottom: 1.5rem;
}
.lp-continue-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}
.lp-continue-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.lp-continue-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.lp-continue-card .lp-continue-info {
  flex: 1;
}
.lp-continue-card .lp-continue-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-heading);
}
.lp-continue-card .lp-continue-meta {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: 0.2rem;
}
.lp-continue-card .lp-continue-progress {
  min-width: 100px;
  text-align: right;
}
.lp-continue-card .lp-continue-pct {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-accent);
}

/* Enhanced Subject Cards (dashboard) */
.lp-subject-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.lp-subject-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  color: var(--color-text);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.lp-subject-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.lp-subject-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0 0 0.35rem;
}
.lp-subject-card p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0 0 0.75rem;
  line-height: 1.5;
  flex: 1;
}
.lp-subject-card .lp-card-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}
.lp-subject-card .lp-card-footer .lp-progress-bar {
  flex: 1;
}
.lp-subject-card .lp-card-modules {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.78rem;
  white-space: nowrap;
}
.lp-subject-card .lp-card-time {
  font-size: 0.75rem;
  white-space: nowrap;
}

/* Breadcrumb */
.lp-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.lp-breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}
.lp-breadcrumb a:hover {
  text-decoration: underline;
}
.lp-breadcrumb-sep {
  color: var(--color-border);
}

/* Subject Page Progress Header */
.lp-subject-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.lp-subject-header .lp-progress-bar {
  flex: 1;
  min-width: 80px;
}
.lp-subject-header .lp-subject-stats {
  font-size: 0.85rem;
  color: var(--color-muted);
  white-space: nowrap;
}
.lp-subject-header .lp-subject-stats strong {
  font-family: var(--font-mono);
  color: var(--color-heading);
}

/* Module TOC (table of contents sidebar / collapsible on mobile) */
.lp-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.lp-toc {
  position: sticky;
  top: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 0;
}
.lp-toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  padding: 0 0.75rem 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 0.25rem;
}
.lp-toc-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease;
  border-left: 3px solid transparent;
}
.lp-toc-item:hover {
  background: var(--color-accent-subtle);
}
.lp-toc-item.active {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-weight: 600;
  border-left-color: var(--color-accent);
}
.lp-toc-item.completed .lp-toc-dot {
  background: var(--color-success-text);
  border-color: var(--color-success-text);
}
.lp-toc-item.in-progress .lp-toc-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.lp-toc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: transparent;
  flex-shrink: 0;
}
.lp-toc-label {
  flex: 1;
  line-height: 1.3;
}
.lp-toc-toggle {
  display: none;
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  margin-bottom: 0.75rem;
}
.lp-toc-toggle::after {
  content: ' ▾';
  float: right;
}
.lp-modules {
  min-width: 0;
}

/* Module Card (replaces plain .card on subject pages) */
.lp-module {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 1rem;
}
.lp-module-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.lp-module-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.lp-module-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0;
  flex: 1;
}
.lp-module-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

/* Status Badge */
.lp-status-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.lp-status-not-started {
  background: var(--color-border-light);
  color: var(--color-muted);
}
.lp-status-in-progress {
  background: #fef3c7;
  color: #92400e;
}
.lp-status-completed {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

/* Travel map & cards */
.travel-map {
  width: 100%;
  height: 450px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  margin: 1.25rem 0 0.75rem;
  z-index: 0;
}

.travel-legend {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.travel-legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.travel-legend-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: var(--shadow-sm);
}

.travel-legend-family {
  background: #3a6b35;
}

.travel-legend-personal {
  background: #c9a96e;
}

.travel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.travel-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-accent);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.travel-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.travel-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.travel-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin: 0;
}

.travel-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

.travel-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.travel-tag-family {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.travel-tag-personal {
  background: var(--color-adults-bg);
  color: var(--color-adults-text);
}

.travel-tag-military {
  background: #f0e0d0;
  color: #6b3a1f;
}

@media (prefers-color-scheme: dark) {
  .travel-tag-military {
    background: #2e2018;
    color: #c9956e;
  }
  .travel-legend-family {
    background: #5a9b55;
  }
  .travel-legend-personal {
    background: #a08040;
  }
}

.travel-card-highlight {
  animation: travel-highlight 1.5s ease;
}

@keyframes travel-highlight {
  0% { box-shadow: 0 0 0 0 var(--color-accent); }
  20% { box-shadow: 0 0 0 4px var(--color-accent-subtle); border-color: var(--color-accent); }
  100% { box-shadow: var(--shadow-sm); border-color: var(--color-border); }
}

.travel-map-wrapper {
  position: relative;
}

.travel-map-overlay {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background: rgba(44, 24, 16, 0.35);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  justify-content: center;
  align-items: center;
  border-radius: var(--radius);
  cursor: pointer;
  pointer-events: auto;
}

.travel-map-noscript {
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 1.25rem 0;
}

.travel-pin {
  background: none;
  border: none;
}

.travel-popup strong {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-heading);
}

.travel-popup p {
  font-size: 0.85rem;
  margin: 0.25rem 0 0.4rem;
  color: var(--color-text-secondary);
}

.travel-popup a {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
}

.travel-popup a:hover {
  color: var(--color-accent-hover);
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
  .games-grid {
    grid-template-columns: 1fr;
  }
  .learning-grid {
    grid-template-columns: 1fr;
  }
  .lp-subject-grid {
    grid-template-columns: 1fr;
  }
  .lp-layout {
    grid-template-columns: 1fr;
  }
  .lp-toc {
    position: static;
    display: none;
  }
  .lp-toc.open {
    display: block;
  }
  .lp-toc-toggle {
    display: block;
  }
  .lp-stats-banner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  .lp-continue-card {
    flex-direction: column;
    text-align: center;
  }
  .lp-continue-card .lp-continue-progress {
    text-align: center;
  }
  .matching-game {
    grid-template-columns: 1fr;
  }
  .tool-form .input-row {
    flex-direction: column;
    gap: 0;
  }
  .competency-grid {
    grid-template-columns: 1fr;
  }
  .interests-grid {
    grid-template-columns: 1fr;
  }
  .travel-grid {
    grid-template-columns: 1fr;
  }
  .travel-map {
    height: 320px;
  }
  .travel-map-overlay {
    display: flex;
  }
  .toc ul {
    columns: 1;
  }
  .site-container {
    padding: 1.25rem 1.25rem 3rem;
  }
  .nav-hamburger {
    display: flex;
  }

  .site-nav {
    flex-wrap: wrap;
    position: relative;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0.25rem;
    padding-top: 0.5rem;
  }

  .nav-open .nav-links {
    display: flex;
  }

  .site-nav a {
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    width: 100%;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 0.95rem;
  }
  h1 {
    font-size: 1.6rem;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
  }
  .site-nav {
    display: none;
  }
  .site-footer {
    display: none;
  }
  .site-container {
    max-width: none;
    padding: 0;
  }
  a {
    color: black;
  }
  .section-header {
    color: #333;
    border-bottom-color: #ccc;
  }
  .experience-entry {
    border: none;
    box-shadow: none;
    padding: 0;
    border-left: 2px solid #ccc;
    padding-left: 1rem;
  }
  .experience-entry .org {
    color: black;
  }
  .competency-category {
    border: none;
    box-shadow: none;
    padding: 0;
    border-top: none;
  }
  .competency-category h3 {
    color: black;
  }
  .education-entry {
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .pattern-section {
    border: none;
    box-shadow: none;
    padding: 0;
  }
}