:root {
  --font-scale: 1;
  --bg: #fdf8f0;
  --text: #1f2933;
  --primary: #1d6fd6;
  --primary-text: #ffffff;
  --card: #ffffff;
  --border: #c9d2dc;
  --good: #1e8a4c;
}

* { box-sizing: border-box; }

html { font-size: calc(22px * var(--font-scale)); }

body {
  margin: 0;
  font-family: "Segoe UI", Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.75rem 1.5rem;
  background: var(--card);
  border-bottom: 3px solid var(--border);
}

header h1 { flex: 1; margin: 0; font-size: 1.6rem; }
.language-controls, .font-controls { display: flex; align-items: center; gap: 0.5rem; }
header > * { min-width: 0; }
main { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }

.big-btn {
  font: inherit;
  font-size: 1.1rem;
  padding: 0.6rem 1.2rem;
  min-height: 3rem;
  border-radius: 12px;
  border: 3px solid var(--primary);
  background: var(--primary);
  color: var(--primary-text);
  cursor: pointer;
}

.big-btn.secondary { background: var(--card); color: var(--primary); }
.big-btn:focus-visible, .game-card:focus-visible { outline: 4px solid #f5a623; outline-offset: 3px; }
.welcome { margin-bottom: 1rem; }
.intro { font-size: 1.2rem; margin: 0; }
.welcome-hint { margin: 0.5rem 0 0; font-size: 0.9rem; color: #4b5563; }
.menu { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }

.game-card {
  font: inherit;
  text-align: left;
  background: var(--card);
  border: 3px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  cursor: pointer;
}

.game-card:hover { border-color: var(--primary); }
.game-card .icon { font-size: 3rem; }
.game-card h2 { margin: 0.25rem 0; }
.game-card p { margin: 0; }
.play-area { position: relative; height: 55vh; min-height: 18rem; background: var(--card); border: 3px solid var(--border); border-radius: 16px; overflow: hidden; }
.instructions { font-size: 1.2rem; margin-top: 0; }
.score { font-size: 1.3rem; font-weight: bold; color: var(--good); }

#cheer {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  background: var(--good);
  color: #fff;
  font-size: 1.4rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  max-width: calc(100vw - 2rem);
  text-align: center;
}

#cheer.show { opacity: 1; }

@media (max-width: 640px) {
  header {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.6rem;
    padding: 0.75rem;
  }

  header h1 { font-size: 1.35rem; }
  header #home-btn { justify-self: start; }
  .language-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.35rem; width: 100%; }
  .language-controls .big-btn { min-width: 0; padding: 0.45rem 0.2rem; font-size: 0.82rem; overflow-wrap: anywhere; }
  .font-controls { flex-wrap: wrap; }
  main { padding: 1rem; }
}

@media (max-width: 360px) {
  main { padding: 0.75rem; }
  .big-btn { padding-right: 0.75rem; padding-left: 0.75rem; }
}