/* ===== VARIABLES & RESET ===== */
:root {
  --cream: #FFF8F0;
  --warm-tan: #F5E6D3;
  --straw: #E8D5B7;
  --saddle-brown: #8B4513;
  --dark-wood: #3E2723;
  --barn-red: #8B2500;
  --barn-red-light: #A63A1E;
  --pasture-green: #4A7C59;
  --sage: #9CAF88;
  --sage-light: #C5D5B0;
  --text-dark: #2C1810;
  --text-mid: #5D4037;
  --white: #FFFFFF;
  --shadow: rgba(62, 39, 35, 0.12);
  --shadow-md: rgba(62, 39, 35, 0.18);

  --horse-fill: #D4A86A;
  --horse-stroke: #5D3A1A;
  --mane-fill: #3E2723;
  --dot-color: var(--barn-red);
  --dot-hover: var(--pasture-green);
  --correct-green: #2E7D32;
  --wrong-red: #C62828;

  --font-serif: Georgia, "Times New Roman", serif;
  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  background: var(--cream);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== BARN-WOOD HEADER ===== */
.barn-header {
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 120px,
      rgba(0,0,0,0.06) 120px,
      rgba(0,0,0,0.06) 122px
    ),
    linear-gradient(
      180deg,
      #6D3A1A 0%,
      #5D3219 30%,
      #7A4422 50%,
      #5D3219 70%,
      #4E2B15 100%
    );
  color: var(--cream);
  text-align: center;
  padding: 1.5rem 1rem;
  border-bottom: 4px solid var(--dark-wood);
  box-shadow: 0 3px 12px var(--shadow-md);
}

.barn-header h1 {
  font-size: 2rem;
  letter-spacing: 0.04em;
  text-shadow: 1px 2px 3px rgba(0,0,0,0.4);
}

.barn-header .subtitle {
  font-size: 0.95rem;
  opacity: 0.88;
  margin-top: 0.25rem;
  font-style: italic;
}

/* ===== MAIN / PAGES ===== */
main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.page {
  display: none;
}

.page.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== TYPOGRAPHY ===== */
.section-title {
  font-size: 1.6rem;
  color: var(--dark-wood);
  text-align: center;
  margin-bottom: 0.25rem;
}

.section-desc {
  text-align: center;
  color: var(--text-mid);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border: 1px solid var(--straw);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 2px 8px var(--shadow);
}

.welcome-card {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.welcome-card h2 {
  color: var(--dark-wood);
  margin: 0.75rem 0 0.5rem;
}

.welcome-card p {
  color: var(--text-mid);
  margin-bottom: 1.5rem;
}

/* ===== HORSESHOE ICON ===== */
.horseshoe-icon {
  color: var(--saddle-brown);
}

.horseshoe-divider {
  text-align: center;
  margin: 2rem 0;
  color: var(--straw);
}

/* ===== BUTTONS ===== */
.button-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: bold;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 8px var(--shadow);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--barn-red);
  color: var(--cream);
  border-color: var(--barn-red);
}

.btn-primary:hover {
  background: var(--barn-red-light);
  border-color: var(--barn-red-light);
}

.btn-secondary {
  background: var(--pasture-green);
  color: var(--white);
  border-color: var(--pasture-green);
}

.btn-secondary:hover {
  background: #3D6B4C;
  border-color: #3D6B4C;
}

.btn-outline {
  background: transparent;
  color: var(--saddle-brown);
  border-color: var(--saddle-brown);
}

.btn-outline:hover {
  background: var(--warm-tan);
}

/* ===== HORSE SVG ===== */
.diagram-container {
  text-align: center;
  margin: 0 auto 1.5rem;
  max-width: 900px;
}

.horse-svg {
  width: 100%;
  height: auto;
  background: linear-gradient(180deg, #E8F0E0 0%, #D4DFC8 60%, #B8C9A3 100%);
  border-radius: var(--radius);
  border: 2px solid var(--straw);
  box-shadow: 0 2px 10px var(--shadow);
}

.horse-silhouette {
  fill: var(--horse-fill);
  stroke: var(--horse-stroke);
  stroke-width: 2.5;
  stroke-linejoin: round;
}

.horse-mane {
  fill: none;
  stroke: var(--mane-fill);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.75;
}

.horse-tail {
  fill: none;
  stroke: var(--mane-fill);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.75;
}

.horse-ear {
  fill: var(--horse-fill);
  stroke: var(--horse-stroke);
  stroke-width: 2;
}

.horse-eye {
  fill: var(--dark-wood);
}

/* ===== HOTSPOTS ===== */
.hotspot-hit {
  fill: transparent;
  cursor: pointer;
}

.hotspot-dot {
  fill: var(--dot-color);
  stroke: var(--white);
  stroke-width: 2;
  transition: fill var(--transition), r var(--transition);
  pointer-events: none;
}

.hotspot-line {
  stroke: #fff;
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
  opacity: 0.85;
  pointer-events: none;
}

.hotspot-label {
  font-family: var(--font-serif);
  font-size: 13px;
  fill: var(--text-dark);
  stroke: #fff;
  stroke-width: 3;
  paint-order: stroke;
  pointer-events: none;
}

/* Hover states */
.hotspot-group:hover .hotspot-dot,
.hotspot-group.active .hotspot-dot {
  fill: var(--dot-hover);
}

.hotspot-group:hover .hotspot-label,
.hotspot-group.active .hotspot-label {
  fill: var(--pasture-green);
  font-weight: bold;
}

.hotspot-group:hover .hotspot-line,
.hotspot-group.active .hotspot-line {
  opacity: 1;
  stroke: #fff;
}

/* Quiz states */
.hotspot-correct .hotspot-dot {
  fill: var(--correct-green) !important;
  animation: popCorrect 0.4s ease;
}

.hotspot-wrong .hotspot-dot {
  fill: var(--wrong-red) !important;
  animation: shakeWrong 0.4s ease;
}

.hotspot-highlight .hotspot-dot {
  fill: #F9A825 !important;
  animation: pulseGlow 1.2s ease-in-out infinite;
}

.hotspot-dimmed .hotspot-dot {
  fill: #999 !important;
  opacity: 0.4;
}

.hotspot-dimmed .hotspot-hit {
  cursor: default;
  pointer-events: none;
}

@keyframes popCorrect {
  0%   { r: 8; }
  50%  { r: 14; }
  100% { r: 10; }
}

@keyframes shakeWrong {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

@keyframes pulseGlow {
  0%, 100% { r: 8;  opacity: 1; }
  50%      { r: 14; opacity: 0.7; }
}

/* ===== INFO PANEL ===== */
.info-panel {
  background: var(--white);
  border: 2px solid var(--sage);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  max-width: 600px;
  margin: 0 auto 1.5rem;
  box-shadow: 0 2px 8px var(--shadow);
  animation: fadeIn 0.25s ease;
}

.info-panel h3 {
  color: var(--pasture-green);
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}

.info-panel p {
  color: var(--text-mid);
  margin-bottom: 0.35rem;
}

.fun-fact {
  font-style: italic;
  color: var(--saddle-brown);
}

.fun-fact::before {
  content: "\1F434 ";
}

/* ===== LEARN FOOTER ===== */
.learn-footer {
  text-align: center;
  margin-top: 1rem;
}

/* ===== QUIZ SETUP ===== */
.quiz-setup-card {
  max-width: 520px;
  margin: 0 auto;
}

.quiz-setup-card fieldset {
  border: none;
  margin-bottom: 1.5rem;
}

.quiz-setup-card legend {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--dark-wood);
  margin-bottom: 0.75rem;
}

.radio-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 2px solid var(--straw);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.radio-card:hover {
  border-color: var(--sage);
  background: var(--warm-tan);
}

.radio-card input:checked ~ .radio-label {
  color: var(--dark-wood);
}

.radio-card:has(input:checked) {
  border-color: var(--pasture-green);
  background: var(--sage-light);
}

.radio-card input[type="radio"] {
  margin-top: 0.3rem;
  accent-color: var(--pasture-green);
}

.radio-label strong {
  display: block;
  font-size: 1rem;
}

.radio-label small {
  color: var(--text-mid);
  font-size: 0.85rem;
}

/* Pill radio group */
.count-group {
  gap: 0.5rem;
}

.radio-pill {
  cursor: pointer;
}

.radio-pill input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-pill span {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border: 2px solid var(--straw);
  border-radius: 50px;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: bold;
  color: var(--text-mid);
  transition: all var(--transition);
}

.radio-pill:hover span {
  border-color: var(--sage);
  background: var(--warm-tan);
}

.radio-pill input:checked + span {
  background: var(--pasture-green);
  border-color: var(--pasture-green);
  color: var(--white);
}

.quiz-setup-card .btn-primary {
  display: block;
  width: 100%;
  text-align: center;
}

/* ===== QUIZ HUD ===== */
.quiz-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--warm-tan);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-mid);
  font-weight: bold;
}

.quiz-prompt {
  text-align: center;
  font-size: 1.3rem;
  color: var(--dark-wood);
  margin-bottom: 1rem;
}

/* ===== QUIZ CHOICES (Name mode) ===== */
.quiz-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  max-width: 500px;
  margin: 1rem auto;
}

.quiz-choices .choice-btn {
  padding: 0.75rem 1rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  border: 2px solid var(--straw);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--text-dark);
  cursor: pointer;
  transition: all var(--transition);
}

.quiz-choices .choice-btn:hover {
  border-color: var(--pasture-green);
  background: var(--sage-light);
}

.quiz-choices .choice-btn.correct {
  border-color: var(--correct-green);
  background: #E8F5E9;
  color: var(--correct-green);
  font-weight: bold;
}

.quiz-choices .choice-btn.wrong {
  border-color: var(--wrong-red);
  background: #FFEBEE;
  color: var(--wrong-red);
}

.quiz-choices .choice-btn:disabled {
  cursor: default;
  opacity: 0.7;
}

/* ===== QUIZ FEEDBACK ===== */
.quiz-feedback {
  text-align: center;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  margin-top: 0.75rem;
  font-size: 1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.quiz-feedback.correct {
  background: #E8F5E9;
  border: 1px solid var(--correct-green);
  color: var(--correct-green);
}

.quiz-feedback.wrong {
  background: #FFEBEE;
  border: 1px solid var(--wrong-red);
  color: var(--wrong-red);
}

/* ===== RESULTS ===== */
.results-card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.results-score {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--dark-wood);
  margin-bottom: 0.25rem;
}

.results-score .pct {
  font-size: 1.3rem;
  color: var(--text-mid);
}

.results-message {
  font-size: 1.15rem;
  color: var(--saddle-brown);
  font-style: italic;
  margin-bottom: 1.25rem;
}

.results-detail {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
  text-align: left;
  margin-bottom: 1.5rem;
}

.result-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.result-item.correct {
  background: #E8F5E9;
}

.result-item.wrong {
  background: #FFEBEE;
}

.result-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ===== FOOTER ===== */
.site-footer {
  text-align: center;
  padding: 1rem;
  color: var(--text-mid);
  font-size: 0.85rem;
  border-top: 2px solid var(--straw);
  background: var(--warm-tan);
}

/* ===== DEBUG GRID ===== */
.debug-line {
  stroke: rgba(0,0,0,0.08);
  stroke-width: 1;
}

.debug-text {
  font-size: 10px;
  fill: rgba(0,0,0,0.2);
  font-family: monospace;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .barn-header h1 { font-size: 1.5rem; }
  main { padding: 1rem 0.75rem 2rem; }
  .card { padding: 1.25rem; }
  .quiz-choices { grid-template-columns: 1fr; }
  .hotspot-label { font-size: 11px; }
  .results-detail { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .barn-header { padding: 1rem 0.75rem; }
  .barn-header h1 { font-size: 1.3rem; }
  .button-group { flex-direction: column; align-items: stretch; }
  .btn { text-align: center; }
  .quiz-hud { font-size: 0.85rem; }
  .quiz-prompt { font-size: 1.1rem; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .page.active {
    animation: none;
  }
}