@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

/* ── Reset & Variables ─────────────────────────────────────────────────────── */

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

:root {
  --bg:           #EFF7EE;
  --card:         #FFFFFF;
  --primary:      #2D6A4F;
  --primary-lt:   #52B788;
  --accent:       #F4A261;
  --accent-dk:    #E76F51;
  --danger:       #E63946;
  --text:         #1B4332;
  --text-muted:   #5A7063;
  --border:       #D4EAD8;
  --correct:      #40916C;
  --wrong:        #E63946;
  --shadow:       0 4px 24px rgba(45, 106, 79, 0.10);
  --shadow-hover: 0 8px 32px rgba(45, 106, 79, 0.18);
  --radius:       18px;
  --radius-sm:    10px;
  --font:         'Nunito', system-ui, sans-serif;
  --transition:   0.18s ease;
}

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ── Screens ──────────────────────────────────────────────────────────────── */

.screen {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.screen.active { display: flex; }

/* ── Home ─────────────────────────────────────────────────────────────────── */

/* ── Language switcher ────────────────────────────────────────────────────── */

.lang-switcher {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  margin-bottom: 12px;
}

@media (max-width: 480px) {
  .lang-switcher { justify-content: center; }
}

.lang-btn {
  background: none;
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.4;
}

.lang-btn:hover:not(.active) {
  border-color: var(--primary-lt);
  color: var(--primary);
}

.lang-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ── Home header ──────────────────────────────────────────────────────────── */

.home-header {
  text-align: center;
  padding: 24px 0 32px;
}

.logo { margin-bottom: 4px; }

.logo-img {
  width: 120px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.home-header h1 {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.tagline {
  margin-top: 10px;
  font-size: 1.05rem;
  color: var(--text-muted);
  font-weight: 600;
}

.categories h2 {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
}

.category-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  font-family: var(--font);
  color: var(--text);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-lt);
}

.category-card:focus-visible {
  outline: 3px solid var(--primary-lt);
  outline-offset: 2px;
}

.cat-emoji { font-size: 2.2rem; display: block; margin-bottom: 8px; }

.category-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.category-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.food-count {
  display: inline-block;
  background: var(--bg);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}

.home-footer {
  margin-top: auto;
  padding-top: 32px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-legal {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  line-height: 1.8;
  font-size: 0.74rem;
}

.footer-legal a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
}

.footer-legal a:hover { text-decoration: underline; }

/* ── Game header ──────────────────────────────────────────────────────────── */

.game-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.btn-back {
  background: none;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.btn-back:hover { border-color: var(--primary-lt); color: var(--primary); }

.game-meta { flex: 1; }

.category-label {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary);
}

.stats { display: flex; align-items: center; gap: 12px; }

.stat { font-size: 1rem; font-weight: 800; }

/* ── Progress bar ─────────────────────────────────────────────────────────── */

.progress-bar-container {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

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

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary-lt), var(--primary));
  border-radius: 4px;
  transition: width 0.4s ease;
}

.progress-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Question ─────────────────────────────────────────────────────────────── */

.question-container { text-align: center; margin-bottom: 20px; }

.question-text { font-size: 1.45rem; font-weight: 800; color: var(--text); }

.dir-word {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 6px;
  font-size: 1.4rem;
}

.dir-word.more { background: #D4F5E2; color: #1B6B3A; }
.dir-word.less { background: #FFF0D6; color: #B25000; }

.metric-highlight { color: var(--primary); }

/* ── Food cards ───────────────────────────────────────────────────────────── */

.food-cards {
  display: flex;
  gap: 14px;
  align-items: stretch;
  margin-bottom: 20px;
  flex: 1;
}

.vs-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  color: var(--text-muted);
  min-width: 34px;
  flex-shrink: 0;
}

.food-card {
  flex: 1;
  background: var(--card);
  border: 3px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-align: center;
  overflow: hidden;
}

.food-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-lt);
}

.food-card.reveal-correct {
  border-color: var(--correct);
  background: #F0FBF5;
  cursor: default;
  animation: pop 0.35s ease forwards;
}

.food-card.reveal-wrong {
  border-color: var(--wrong);
  background: #FFF5F5;
  cursor: default;
}

.food-card.chosen.reveal-wrong {
  animation: shake 0.4s ease forwards;
}

.food-card.reveal-correct:hover,
.food-card.reveal-wrong:hover { transform: none; }

/* ── Food image ───────────────────────────────────────────────────────────── */

.food-img-wrap {
  width: 100%;
  height: 190px;
  position: relative;
  background: var(--bg);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.food-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.food-img.loaded { opacity: 1; }

.food-emoji-ph {
  font-size: 3.4rem;
  line-height: 1;
  z-index: 1;
  pointer-events: none;
  transition: opacity 0.35s ease;
  user-select: none;
}

.food-img.loaded + .food-emoji-ph { opacity: 0; }

/* ── Food info (below image) ──────────────────────────────────────────────── */

.food-name {
  padding: 12px 14px 4px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  width: 100%;
}

.food-stats {
  width: 100%;
  padding: 6px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.food-stats.hidden { display: none; }
.food-stats:not(.hidden) { animation: statsFadeIn 0.25s ease; }

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 3px 6px;
  border-radius: 6px;
}

.stat-row.highlighted {
  background: var(--bg);
  color: var(--primary);
  font-weight: 700;
}

.stat-row strong { font-weight: 800; }

/* ── Feedback bar ─────────────────────────────────────────────────────────── */

.feedback {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  animation: slideUp 0.2s ease;
}

.feedback.hidden { display: none; }

.feedback.correct { background: #D4F5E2; color: #1B6B3A; border: 2px solid #A8E6BF; }
.feedback.wrong   { background: #FFE8E8; color: #991B1B; border: 2px solid #FFC0C0; }

.feedback-text { flex: 1; }

.btn-next {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-next:hover { background: var(--primary-lt); transform: scale(1.03); }

/* ── Results screen ───────────────────────────────────────────────────────── */

#screen-results {
  justify-content: flex-start;
  align-items: center;
  padding-top: 32px;
}

.results-content {
  width: 100%;
  max-width: 520px;
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.results-emoji { font-size: 3.6rem; text-align: center; }

.results-content h2 {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--primary);
  text-align: center;
  margin-top: -12px;
}

.results-stats {
  display: flex;
  justify-content: center;
  gap: 28px;
}

.result-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.result-stat-value {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--primary);
}

.result-stat-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Percentile ───────────────────────────────────────────────────────────── */

.percentile-block {
  text-align: center;
  background: linear-gradient(135deg, #E8F5E9, #F1F8E9);
  border: 2px solid #A5D6A7;
  border-radius: var(--radius-sm);
  padding: 20px 24px 16px;
}

.percentile-ring {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 8px;
}

.percentile-value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.percentile-pct {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary-lt);
}

.percentile-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
}

.percentile-label strong { color: var(--primary); }

/* ── Result message ───────────────────────────────────────────────────────── */

.result-message {
  font-size: 0.95rem;
  color: var(--text-muted);
  text-align: center;
}

/* ── Social sharing ───────────────────────────────────────────────────────── */

.share-block { text-align: center; }

.share-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.share-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: opacity var(--transition), transform var(--transition);
}

.share-btn:hover { opacity: 0.85; transform: translateY(-2px); }

.share-x  { background: #000;    color: #fff; }
.share-wa { background: #25D366; color: #fff; }
.share-fb { background: #1877F2; color: #fff; }

/* ── Email subscribe ──────────────────────────────────────────────────────── */

.subscribe-block {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
}

.subscribe-block h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}

.subscribe-block > p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}

.subscribe-form {
  display: flex;
  gap: 8px;
}

.subscribe-form input[type="email"] {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--card);
  transition: border-color var(--transition);
  outline: none;
}

.subscribe-form input[type="email"]:focus { border-color: var(--primary-lt); }

.subscribe-form button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition);
}

.subscribe-form button:hover { background: var(--primary-lt); }
.subscribe-form button:disabled { opacity: 0.6; cursor: not-allowed; }

.subscribe-fine {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.subscribe-done {
  font-size: 0.9rem;
  color: var(--correct);
  font-weight: 700;
  margin-top: 8px;
}

.hidden { display: none !important; }

/* ── Results action buttons ───────────────────────────────────────────────── */

.results-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover { background: var(--primary-lt); transform: scale(1.02); }

.btn-secondary {
  background: none;
  color: var(--primary);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 28px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.btn-secondary:hover { border-color: var(--primary-lt); color: var(--primary-lt); }

/* ── Animations ───────────────────────────────────────────────────────────── */

/* ── Daily challenge ──────────────────────────────────────────────────────── */

.daily-section {
  max-width: 680px;
  margin: 0 auto 1.5rem;
  padding: 0 1rem;
}

.btn-daily {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #1B4332 0%, #2D6A4F 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  box-shadow: 0 4px 16px rgba(45,106,79,.35);
}

.btn-daily:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(45,106,79,.45);
}

.btn-daily:disabled, .btn-daily.daily-done {
  opacity: 0.65;
  cursor: default;
  transform: none;
  box-shadow: none;
}

.daily-btn-icon { font-size: 1.75rem; flex-shrink: 0; }

.daily-btn-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.daily-btn-body strong { font-size: 1.05rem; font-weight: 800; }

.daily-btn-sub { font-size: 0.8rem; opacity: 0.8; }

.daily-btn-arrow { font-size: 1.25rem; opacity: 0.7; flex-shrink: 0; }

.daily-streak-home {
  text-align: center;
  margin-top: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
}

/* ── Daily result banner ──────────────────────────────────────────────────── */

.daily-streak-result {
  text-align: center;
  margin-bottom: 1.25rem;
  padding: 1rem;
  background: linear-gradient(135deg, #1B4332 0%, #2D6A4F 100%);
  border-radius: var(--radius);
  color: #fff;
  animation: slideUp 0.4s ease;
}

.streak-num {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
}

.streak-unit {
  font-size: 1rem;
  font-weight: 600;
  opacity: 0.85;
  margin-top: 4px;
}

/* ── Streak gate nudge ────────────────────────────────────────────────────── */

.gate-nudge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #FFF8E1;
  border: 2px solid #FFD54F;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  animation: slideUp 0.3s ease;
  flex-wrap: wrap;
}

.gate-text {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 600;
  color: #5D4037;
  min-width: 160px;
}

.gate-btn {
  background: #F57F17;
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition);
}

.gate-btn:hover { background: #E65100; }

/* ── Did you know fact box ────────────────────────────────────────────────── */

.fact-box {
  margin: 10px 0 0;
  padding: 12px 16px;
  background: #FFFDE7;
  border: 1.5px solid #FFF176;
  border-radius: var(--radius-sm);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  color: #4A3800;
  animation: slideUp 0.25s ease;
}

.fact-box.hidden { display: none; }

.fact-label {
  font-weight: 800;
  white-space: nowrap;
  flex-shrink: 0;
}

.fact-text { line-height: 1.45; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pop {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.05); }
  65%  { transform: scale(0.97); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-9px); }
  40%       { transform: translateX(9px); }
  60%       { transform: translateX(-5px); }
  80%       { transform: translateX(5px); }
}

@keyframes statsFadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  .home-header h1 { font-size: 2rem; }

  .food-cards { flex-direction: column; gap: 12px; }

  .food-img-wrap { height: 200px; }

  .vs-badge { align-self: center; min-width: auto; }

  .question-text { font-size: 1.2rem; }

  .results-stats { gap: 16px; }
  .result-stat-value { font-size: 1.6rem; }

  .feedback { flex-direction: column; align-items: flex-start; gap: 10px; }
  .btn-next { width: 100%; text-align: center; }

  .game-header { flex-wrap: wrap; gap: 8px; }
  .stats { width: 100%; justify-content: flex-end; }

  .subscribe-form { flex-direction: column; }
  .subscribe-form button { width: 100%; }

  .results-content { padding: 28px 20px; }
  .share-buttons { gap: 8px; }
}