@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;600;700&family=Outfit:wght@400;600;800&display=swap');

/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
  --sky-blue: #3498db;
  --sky-blue-dark: #2980b9;
  --sunny-yellow: #f1c40f;
  --sunny-yellow-dark: #f39c12;
  --lime-green: #2ecc71;
  --lime-green-dark: #27ae60;
  --bright-coral: #e74c3c;
  --bright-coral-dark: #c0392b;
  --dark-gray: #1a1a1a;
  --off-white: #fcfcf9;
  --white: #ffffff;
  
  --font-primary: 'Fredoka', system-ui, -apple-system, sans-serif;
  --font-header: 'Outfit', system-ui, -apple-system, sans-serif;
  
  --border-width: 4px;
  --border-radius: 20px;
  --shadow-offset: 6px;
  
  /* Safe scrolling scrollbar gutter space */
  scrollbar-gutter: stable;
}

/* ==========================================================================
   Base resets & layouts
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--dark-gray);
  background-color: var(--off-white);
  padding: 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Screen-reader-only utility: hides content visually while keeping it
   accessible to assistive technology. Used by <legend> labels in forms. */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header & Navigation */
header.app-header {
  margin-bottom: 2rem;
}

.nav-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.logo-link {
  text-decoration: none;
  color: inherit;
}

.logo-block {
  display: inline-block;
  background-color: var(--sunny-yellow);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: 12px;
  padding: 0.5rem 1.5rem;
  box-shadow: 4px 4px 0px var(--dark-gray);
  transform: rotate(-1.5deg);
  transition: transform 0.2s ease;
}

.logo-block:hover {
  transform: rotate(1deg) scale(1.05);
}

.logo-text {
  font-family: var(--font-header);
  font-size: 2.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.logo-emoji {
  margin-left: 0.5rem;
}

/* LEGO Block Navigation Menu */
.lego-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  list-style: none;
}

.lego-nav-item a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-header);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--white);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: 15px;
  box-shadow: 4px 4px 0px var(--dark-gray);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

/* Nav Item Colors */
.lego-nav-item.blue a   { background-color: var(--sky-blue); }
.lego-nav-item.yellow a { background-color: var(--sunny-yellow); color: var(--dark-gray); }
.lego-nav-item.green a  { background-color: var(--lime-green); }
.lego-nav-item.coral a  { background-color: var(--bright-coral); }
.lego-nav-item.white a  { background-color: var(--white); color: var(--dark-gray); }

.lego-nav-item a:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--dark-gray);
}

.lego-nav-item a:active,
.lego-nav-item.active a {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--dark-gray);
}

/* Main Area Layout */
main {
  flex-grow: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  margin-bottom: 3rem;
}

/* ==========================================================================
   LEGO Card Components
   ========================================================================== */
.lego-card {
  --card-color: var(--white);
  --card-text-color: var(--dark-gray);
  
  background-color: var(--card-color);
  color: var(--card-text-color);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--dark-gray);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  margin-bottom: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lego-card.blue {
  --card-color: var(--sky-blue);
  --card-text-color: var(--white);
}

.lego-card.yellow {
  --card-color: var(--sunny-yellow);
  --card-text-color: var(--dark-gray);
}

.lego-card.green {
  --card-color: var(--lime-green);
  --card-text-color: var(--white);
}

.lego-card.coral {
  --card-color: var(--bright-coral);
  --card-text-color: var(--white);
}

/* LEGO Studs Row decoration */
.lego-studs-row {
  display: flex;
  gap: 12px;
  padding: 10px 20px;
  background-color: rgba(0, 0, 0, 0.1);
  border-bottom: var(--border-width) solid var(--dark-gray);
}

.lego-stud {
  display: inline-block;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--card-color);
  border: 3px solid var(--dark-gray);
  box-shadow: inset -2px -2px 0px rgba(0, 0, 0, 0.15), 1px 1px 0px rgba(255, 255, 255, 0.2);
}

/* Card Body Content */
.lego-card-body {
  padding: 2rem;
  flex-grow: 1;
}

.lego-card-body h1, 
.lego-card-body h2 {
  font-family: var(--font-header);
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.lego-card-body h1 {
  font-size: 2.5rem;
  letter-spacing: -0.5px;
}

.lego-card-body h2 {
  font-size: 1.85rem;
}

/* Tactile oversized buttons */
.lego-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-family: var(--font-header);
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: var(--border-width) solid var(--dark-gray);
  border-radius: 18px;
  color: var(--white);
  box-shadow: 4px 4px 0px var(--dark-gray);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  min-height: 54px;
  touch-action: manipulation;
}

.lego-btn.blue { background-color: var(--sky-blue); }
.lego-btn.blue:hover { background-color: var(--sky-blue-dark); }

.lego-btn.yellow { background-color: var(--sunny-yellow); color: var(--dark-gray); }
.lego-btn.yellow:hover { background-color: var(--sunny-yellow-dark); }

.lego-btn.green { background-color: var(--lime-green); }
.lego-btn.green:hover { background-color: var(--lime-green-dark); }

.lego-btn.coral { background-color: var(--bright-coral); }
.lego-btn.coral:hover { background-color: var(--bright-coral-dark); }

.lego-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--dark-gray);
}

.lego-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--dark-gray);
}

/* Grid Layouts for Child Content */
.lego-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .lego-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.lego-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* ==========================================================================
   Homepage Features (index.html)
   ========================================================================== */
.intro-header-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.intro-photo-container {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: var(--border-width) solid var(--dark-gray);
  box-shadow: 4px 4px 0px var(--dark-gray);
  overflow: hidden;
  background-color: var(--white);
  transform: rotate(-3deg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.intro-photo-container:hover {
  transform: rotate(2deg) scale(1.05);
  box-shadow: 6px 6px 0px var(--dark-gray);
}

.intro-photo-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-header-wrapper h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.intro-bio {
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.6;
}

/* Desktop layout: Switch to block to float image and wrap text */
@media (min-width: 576px) {
  .intro-header-wrapper {
    display: block;
    text-align: left;
  }
  
  .intro-photo-container {
    float: left;
    margin-right: 1.75rem;
    margin-bottom: 0.75rem;
  }
  
  .intro-header-wrapper h1 {
    margin-top: 0;
  }
  
  .intro-header-wrapper::after {
    content: "";
    clear: both;
    display: table;
  }
}

.favorites-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.favorites-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background-color: var(--white);
  border: 3px solid var(--dark-gray);
  border-radius: 12px;
  box-shadow: 3px 3px 0px var(--dark-gray);
  font-size: 1.4rem;
  font-weight: 600;
}

.favorites-list li .emoji-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--sunny-yellow);
  border: 3px solid var(--dark-gray);
  border-radius: 10px;
  font-size: 1.8rem;
}

.favorites-list li:nth-child(even) .emoji-container {
  background-color: var(--lime-green);
}

/* Custom Audio Player Layout */
.audio-player-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background-color: var(--white);
  border: 3px solid var(--dark-gray);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: 4px 4px 0px var(--dark-gray);
}

.audio-animation {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 40px;
  margin-top: 0.5rem;
}

.audio-bar {
  width: 6px;
  height: 5px;
  background-color: var(--sky-blue);
  border: 1px solid var(--dark-gray);
  border-radius: 3px;
  transition: height 0.1s ease;
}

.audio-bar.coral { background-color: var(--bright-coral); }
.audio-bar.yellow { background-color: var(--sunny-yellow); }
.audio-bar.green { background-color: var(--lime-green); }

.audio-animation.playing .audio-bar {
  animation: audio-bounce 0.8s ease-in-out infinite alternate;
}

.audio-animation.playing .audio-bar:nth-child(2) { animation-delay: 0.15s; }
.audio-animation.playing .audio-bar:nth-child(3) { animation-delay: 0.3s; }
.audio-animation.playing .audio-bar:nth-child(4) { animation-delay: 0.05s; }
.audio-animation.playing .audio-bar:nth-child(5) { animation-delay: 0.2s; }

@keyframes audio-bounce {
  from { height: 5px; }
  to { height: 35px; }
}

/* ==========================================================================
   Gallery & Lightbox Features (gallery.html)
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  cursor: pointer;
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 4px 4px 0px var(--dark-gray);
  aspect-ratio: 1 / 1;
  background-color: var(--white);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-item-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(26, 26, 26, 0.95);
  color: var(--white);
  padding: 0.75rem;
  border-top: 3px solid var(--dark-gray);
  text-align: center;
  font-weight: 600;
  font-size: 1.1rem;
  transform: translateY(100%);
  transition: transform 0.2s ease;
}

.gallery-item:hover {
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0px var(--dark-gray);
}

/* Delete button on saved (user-made) drawings */
.gallery-delete-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid var(--dark-gray);
  background-color: var(--bright-coral);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 2px 0px var(--dark-gray);
  z-index: 2;
  padding: 0;
}

.gallery-delete-btn:hover {
  background-color: var(--bright-coral-dark);
}

.gallery-delete-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--dark-gray);
}

.gallery-item:hover .gallery-item-info {
  transform: translateY(0);
}

/* Lightbox Modal Dialog Styling */
.lightbox-dialog {
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  padding: 0;
  max-width: 700px;
  width: 90%;
  margin: auto;
  box-shadow: 10px 10px 0px rgba(0, 0, 0, 0.5);
  background-color: var(--white);
}

.lightbox-dialog::backdrop {
  background-color: rgba(26, 26, 26, 0.85);
  backdrop-filter: blur(5px);
}

.lightbox-container {
  display: flex;
  flex-direction: column;
}

.lightbox-header {
  display: flex;
  justify-content: flex-end;
  padding: 0.75rem;
  background-color: var(--sunny-yellow);
  border-bottom: var(--border-width) solid var(--dark-gray);
}

.lightbox-close-btn {
  background: var(--white);
  border: 3px solid var(--dark-gray);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--dark-gray);
}

.lightbox-close-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--dark-gray);
}

.lightbox-content {
  position: relative;
  width: 100%;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 60vh;
  object-fit: contain;
  border: var(--border-width) solid var(--dark-gray);
  border-radius: 12px;
  box-shadow: 4px 4px 0px var(--dark-gray);
}

.lightbox-caption {
  margin-top: 1rem;
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
}

.lightbox-nav {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0 1rem 1rem 1rem;
}

/* ==========================================================================
   Journals Features (journals.html)
   ========================================================================== */
.notebook-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.notebook-paper {
  background-color: var(--white);
  /* Wide ruled lines */
  background-image: linear-gradient(rgba(0,0,0,0) 96%, #cad5eb 96%);
  background-size: 100% 2.75rem;
  line-height: 2.75rem;
  padding: 3.5rem 2rem 2rem 4.5rem;
  position: relative;
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  box-shadow: 6px 6px 0px var(--dark-gray);
}

/* Notebook margins */
.notebook-paper::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 3.5rem;
  width: 2px;
  background-color: #ff8b8b;
  border-right: 1px solid #ff8b8b;
}

/* Notebook Binder Holes */
.notebook-holes {
  position: absolute;
  left: 1rem;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 2rem 0;
}

.notebook-hole {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--off-white);
  border: 3px solid var(--dark-gray);
  box-shadow: inset 1px 1px 2px rgba(0,0,0,0.4);
}

.journal-header {
  margin-bottom: 1rem;
}

.journal-date {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--bright-coral);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.journal-title {
  font-family: var(--font-header);
  font-size: 2rem;
  font-weight: 800;
  color: var(--sky-blue-dark);
}

.journal-story {
  font-size: 1.35rem;
  font-weight: 600;
  color: #333333;
}

.journal-bullets {
  margin-top: 1.5rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.journal-bullets li {
  position: relative;
  padding-left: 2rem;
}

.journal-bullets li::before {
  content: "✏️";
  position: absolute;
  left: 0;
  font-size: 1.2rem;
}

/* ==========================================================================
   Projects & Badges Features (projects.html)
   ========================================================================== */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.badge-card {
  background-color: var(--white);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--dark-gray);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.badge-card:hover {
  transform: translateY(-5px);
  box-shadow: 8px 8px 0px var(--dark-gray);
}

.badge-icon-box {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: var(--border-width) solid var(--dark-gray);
  background-color: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  overflow: hidden;
  box-shadow: inset 0 4px 8px rgba(0,0,0,0.1), 3px 3px 0 var(--dark-gray);
}

.badge-icon-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge-title {
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.badge-desc {
  font-size: 1.1rem;
  color: #555555;
  font-weight: 600;
}

/* Visual color tabs on badge cards */
.badge-card.blue   { border-top: 12px solid var(--sky-blue); }
.badge-card.yellow { border-top: 12px solid var(--sunny-yellow); }
.badge-card.green  { border-top: 12px solid var(--lime-green); }
.badge-card.coral  { border-top: 12px solid var(--bright-coral); }

/* ==========================================================================
   Games Features (games.html)
   ========================================================================== */
.game-layout-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.game-scoreboard {
  display: flex;
  justify-content: space-around;
  width: 100%;
  max-width: 600px;
  background-color: var(--dark-gray);
  color: var(--white);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: 15px;
  padding: 0.75rem 1.5rem;
  box-shadow: 4px 4px 0px rgba(0,0,0,0.15);
}

.score-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.score-label {
  font-family: var(--font-header);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--sunny-yellow);
}

.score-val {
  font-family: var(--font-header);
  font-size: 2rem;
  font-weight: 800;
}

/* Speed slider control */
.game-speed-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  max-width: 600px;
  background-color: var(--white);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: 15px;
  padding: 0.85rem 1.25rem;
  box-shadow: 4px 4px 0px var(--dark-gray);
}

.speed-label {
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--dark-gray);
  text-align: center;
}

.speed-label strong {
  color: var(--bright-coral);
}

.speed-slider-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.speed-end {
  font-size: 1.6rem;
  line-height: 1;
}

/* Chunky, tactile range input themed like the LEGO controls */
#speed-slider {
  flex-grow: 1;
  appearance: none;
  -webkit-appearance: none;
  height: 16px;
  border: 3px solid var(--dark-gray);
  border-radius: 10px;
  background-color: var(--sky-blue);
  cursor: pointer;
  touch-action: manipulation;
}

#speed-slider:focus-visible {
  outline: 4px solid var(--sunny-yellow);
  outline-offset: 3px;
}

#speed-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--sunny-yellow);
  border: 4px solid var(--dark-gray);
  box-shadow: 2px 2px 0px var(--dark-gray);
}

#speed-slider::-moz-range-thumb {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--sunny-yellow);
  border: 4px solid var(--dark-gray);
  box-shadow: 2px 2px 0px var(--dark-gray);
}

.canvas-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 4 / 3;
  background-color: #b3e5fc; /* sky background */
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  box-shadow: 8px 8px 0px var(--dark-gray);
  overflow: hidden;
}

canvas#game-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.game-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(26, 26, 26, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  color: var(--white);
  padding: 2rem;
  text-align: center;
}

.game-overlay h2 {
  font-family: var(--font-header);
  font-size: 3rem;
  color: var(--sunny-yellow);
}

.game-overlay p {
  font-size: 1.35rem;
  max-width: 400px;
}

.game-controls {
  display: flex;
  gap: 1rem;
}

/* ==========================================================================
   Contact Form Features (contact.html)
   ========================================================================== */
.contact-container {
  max-width: 600px;
  margin: 0 auto;
}

.postbox-header {
  background-color: var(--bright-coral);
  color: var(--white);
  padding: 1.5rem;
  border-bottom: var(--border-width) solid var(--dark-gray);
  text-align: center;
}

.postbox-header h2 {
  font-family: var(--font-header);
  font-size: 2rem;
  font-weight: 800;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--dark-gray);
  display: inline-block;
  padding: 4px 0;
}

.form-control {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0.85rem 1rem;
  border: 3px solid var(--dark-gray);
  border-radius: 12px;
  background-color: var(--white);
  color: var(--dark-gray);
  box-shadow: inset 2px 2px 4px rgba(0,0,0,0.05);
  min-height: 48px;
  width: 100%;
}

.form-control:focus-visible {
  outline: 4px solid var(--sky-blue);
  outline-offset: 2px;
}

/* Non-intrusive validation indicators */
.form-control:invalid:user-invalid {
  border-color: var(--bright-coral);
  outline-color: var(--bright-coral);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer.app-footer {
  margin-top: auto;
  padding: 2rem 0 1rem 0;
  border-top: var(--border-width) solid var(--dark-gray);
  text-align: center;
}

.footer-brick {
  display: inline-block;
  background-color: var(--lime-green);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: 10px;
  padding: 0.5rem 1.5rem;
  box-shadow: 4px 4px 0px var(--dark-gray);
}

.footer-text {
  font-weight: 700;
  color: var(--white);
}

.footer-attribution {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: #777777;
  font-weight: 600;
}

/* ==========================================================================
   Science STEM Lab Features (science.html)
   ========================================================================== */
.graph-paper {
  background-color: var(--white);
  background-image: 
    linear-gradient(rgba(52, 152, 219, 0.09) 1.5px, transparent 1.5px),
    linear-gradient(90deg, rgba(52, 152, 219, 0.09) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  box-shadow: 6px 6px 0px var(--dark-gray);
  padding: 2.25rem 2rem 2rem 2rem;
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.graph-paper:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0px var(--dark-gray);
}

.science-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 3px dashed var(--dark-gray);
  padding-bottom: 0.75rem;
}

.science-date {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bright-coral);
  text-transform: uppercase;
}

.science-category {
  font-family: var(--font-header);
  font-size: 0.95rem;
  font-weight: 800;
  background-color: var(--sunny-yellow);
  border: 2px solid var(--dark-gray);
  border-radius: 8px;
  padding: 2px 8px;
  color: var(--dark-gray);
  text-transform: uppercase;
}

.science-title {
  font-family: var(--font-header);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--sky-blue-dark);
  margin-bottom: 1rem;
}

.science-desc {
  font-size: 1.25rem;
  font-weight: 600;
  color: #444444;
  margin-bottom: 1.5rem;
  line-height: 1.5;
  flex-grow: 1;
}

.stud-rating-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark-gray);
  border-top: 2px dashed rgba(0,0,0,0.1);
  padding-top: 1rem;
}

.rating-studs {
  display: flex;
  gap: 6px;
}

.rating-studs .rating-stud {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--lime-green);
  border: 2.5px solid var(--dark-gray);
  box-shadow: inset -2px -2px 0px rgba(0,0,0,0.15);
}

.rating-studs .rating-stud.empty {
  background-color: #e8e8e3;
  box-shadow: none;
}

/* Category filter bar */
.science-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.filter-chip {
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 1rem;
  padding: 0.5rem 1.1rem;
  background-color: var(--white);
  color: var(--dark-gray);
  border: 3px solid var(--dark-gray);
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 3px 3px 0px var(--dark-gray);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.1s ease;
  min-height: 44px;
  touch-action: manipulation;
}

.filter-chip:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--dark-gray);
}

.filter-chip.active {
  background-color: var(--sky-blue);
  color: var(--white);
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--dark-gray);
}

.science-count {
  text-align: center;
  font-weight: 700;
  color: #777777;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

/* Category color accents on cards + badges */
.graph-paper.cat-chemistry   { border-top: 10px solid var(--bright-coral); }
.graph-paper.cat-physics     { border-top: 10px solid var(--sky-blue); }
.graph-paper.cat-biology     { border-top: 10px solid var(--lime-green); }
.graph-paper.cat-engineering { border-top: 10px solid var(--sunny-yellow); }

.science-category.cat-badge-chemistry   { background-color: var(--bright-coral); color: var(--white); }
.science-category.cat-badge-physics     { background-color: var(--sky-blue); color: var(--white); }
.science-category.cat-badge-biology     { background-color: var(--lime-green); color: var(--white); }
.science-category.cat-badge-engineering { background-color: var(--sunny-yellow); color: var(--dark-gray); }

/* Big emoji in the card title */
.science-emoji {
  font-size: 1.7rem;
  margin-right: 0.15rem;
}

/* Labelled sections inside a card (materials / hypothesis / observation) */
.science-section {
  margin-bottom: 1rem;
}

.science-section-label {
  display: inline-block;
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--sky-blue-dark);
  margin-bottom: 0.35rem;
}

.science-section-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: #333333;
  line-height: 1.45;
}

/* Material chips */
.science-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.science-chip {
  font-size: 0.95rem;
  font-weight: 700;
  background-color: var(--off-white);
  border: 2px solid var(--dark-gray);
  border-radius: 8px;
  padding: 0.2rem 0.6rem;
}

/* "Cool fact" highlight */
.science-funfact {
  margin-top: 0.25rem;
  background-color: rgba(241, 196, 15, 0.18);
  border: 2px dashed var(--sunny-yellow-dark);
  border-radius: 12px;
  padding: 0.65rem 0.9rem;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--dark-gray);
  line-height: 1.4;
}

/* ==========================================================================
   Game-specific Interactive Cursors
   ========================================================================== */
.game-canvas-pop {
  cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' style='font-size: 24px'><text y='24'>📍</text></svg>") 8 20, pointer;
}

.game-canvas-geo {
  cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' style='font-size: 24px'><text y='24'>🧱</text></svg>") 16 16, pointer;
}

/* ==========================================================================
   Drawing Board Features (paint.html)
   ========================================================================== */
.paint-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* Tighter card padding on the paint page so the canvas sits higher */
.paint-card-body {
  padding: 1.25rem;
}

.paint-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 0.6rem 1.1rem;
  width: 100%;
  background-color: var(--white);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  box-shadow: 4px 4px 0px var(--dark-gray);
  padding: 0.85rem 1rem;
}

.paint-tool-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.paint-group-label {
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--dark-gray);
}

.paint-group-label strong {
  color: var(--bright-coral);
}

/* Color swatches: compact fixed grid; the custom-color input flows inline as
   the final cell (via display:contents on the swatch host). */
.paint-colors-wrap {
  display: grid;
  grid-template-columns: repeat(6, 30px);
  gap: 0.35rem;
}

#paint-swatches { display: contents; }

.paint-swatch,
.paint-color-input {
  width: 30px;
  height: 30px;
  border: 3px solid var(--dark-gray);
  border-radius: 8px;
  cursor: pointer;
  padding: 0;
  box-shadow: 2px 2px 0px var(--dark-gray);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.paint-color-input {
  background: none;
  padding: 1px;
}

.paint-swatch:hover,
.paint-color-input:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--dark-gray);
}

.paint-swatch.active {
  outline: 3px solid var(--sky-blue);
  outline-offset: 2px;
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--dark-gray);
}

/* Brush + action buttons */
.paint-tool-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.paint-tool {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.4rem 0.7rem;
  background-color: var(--off-white);
  color: var(--dark-gray);
  border: 3px solid var(--dark-gray);
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--dark-gray);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.1s ease;
  min-height: 42px;
  touch-action: manipulation;
}

.paint-tool:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--dark-gray);
}

.paint-tool.active {
  background-color: var(--sunny-yellow);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--dark-gray);
}

.paint-action-btn {
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  min-height: 42px;
  border-radius: 10px;
}

/* Sticker stamp buttons: compact fixed grid (5 per row -> 2 rows) */
.paint-stickers {
  display: grid;
  grid-template-columns: repeat(5, 38px);
  gap: 0.35rem;
}

.paint-sticker {
  width: 38px;
  height: 38px;
  font-size: 1.3rem;
  line-height: 1;
  background-color: var(--off-white);
  border: 3px solid var(--dark-gray);
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--dark-gray);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.1s ease;
  touch-action: manipulation;
}

.paint-sticker:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--dark-gray);
}

.paint-sticker.active {
  background-color: var(--sunny-yellow);
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--dark-gray);
}

.paint-size-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 160px;
}

/* Shared chunky range input (used by the brush-size slider) */
.lego-range {
  flex-grow: 1;
  appearance: none;
  -webkit-appearance: none;
  height: 16px;
  border: 3px solid var(--dark-gray);
  border-radius: 10px;
  background-color: var(--sky-blue);
  cursor: pointer;
  touch-action: manipulation;
}

.lego-range:focus-visible {
  outline: 4px solid var(--sunny-yellow);
  outline-offset: 3px;
}

.lego-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--sunny-yellow);
  border: 4px solid var(--dark-gray);
  box-shadow: 2px 2px 0px var(--dark-gray);
}

.lego-range::-moz-range-thumb {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--sunny-yellow);
  border: 4px solid var(--dark-gray);
  box-shadow: 2px 2px 0px var(--dark-gray);
}

/* Drawing surface */
.paint-canvas-wrap {
  width: 100%;
  max-width: 860px;
  aspect-ratio: 4 / 3;
  background-color: var(--white);
  border: var(--border-width) solid var(--dark-gray);
  border-radius: var(--border-radius);
  box-shadow: 8px 8px 0px var(--dark-gray);
  overflow: hidden;
}

#paint-canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none; /* prevent scroll/zoom gestures while drawing */
  cursor: crosshair;
}

/* ==========================================================================
   Reduced Motion (Accessibility)
   Respect users who prefer minimal animation. Keeps the tactile press
   feedback subtle-instant instead of animated, and stops looping effects.
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .audio-animation.playing .audio-bar {
    animation: none !important;
    height: 20px;
  }
}