@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
  --font-scale-base: 16px;
  
  --pixel-bg: #e0f8cf;
  --pixel-surface: #ffffff;
  --pixel-primary: #2563eb;
  --pixel-secondary: #7c3aed;
  --pixel-accent: #f59e0b;
  --pixel-text: #1f2937;
  --pixel-text-muted: #4b5563;
  --pixel-success: #059669;
  --pixel-error: #dc2626;
  --pixel-warning: #f59e0b;
  --pixel-border: #1f2937;
  --pixel-shadow: rgba(0, 0, 0, 0.25);
}

html.dark {
  --pixel-bg: #1a1a2e;
  --pixel-surface: #16213e;
  --pixel-primary: #3b82f6;
  --pixel-secondary: #8b5cf6;
  --pixel-accent: #f59e0b;
  --pixel-text: #f3f4f6;
  --pixel-text-muted: #d1d5db;
  --pixel-success: #10b981;
  --pixel-error: #f87171;
  --pixel-warning: #fbbf24;
  --pixel-border: #f3f4f6;
  --pixel-shadow: rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: var(--font-scale-base);
  background-color: var(--pixel-bg);
  color: var(--pixel-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.font-pixel { font-family: 'Press Start 2P', monospace; }
.text-center { text-align: center; }
.text-xs { font-size: 0.65rem; }
.text-sm { font-size: 0.85rem; }
.text-md { font-size: 1rem; }
.text-xl { font-size: 1.75rem; }
.font-bold { font-weight: bold; }
.block { display: block; }
.text-sub { font-size: 0.55rem; opacity: 0.8; margin-top: 0.4rem; font-family: inherit; }
.leading-relaxed { line-height: 1.6; }

.text-primary { color: var(--pixel-primary); }
.text-secondary { color: var(--pixel-secondary); }
.text-accent { color: var(--pixel-accent); }
.text-error { color: var(--pixel-error); }
.text-success { color: var(--pixel-success); }
.text-muted { color: var(--pixel-text-muted); }
.text-dark { color: #1f2937; }

.container { width: 100%; max-width: 600px; padding: 1.5rem; }
.w-full { width: 100%; }
.flex { display: flex; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4 { gap: 1rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }

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

.pixel-card {
  border: 4px solid var(--pixel-border);
  background-color: var(--pixel-surface);
  box-shadow: 4px 4px 0px 0px var(--pixel-shadow);
  padding: 1.5rem;
}

.pixel-button {
  cursor: pointer;
  border: 4px solid var(--pixel-border);
  color: #ffffff;
  padding: 1rem;
  box-shadow: 4px 4px 0px 0px var(--pixel-shadow);
  transition: transform 0.1s, box-shadow 0.1s;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.75rem;
}

.pixel-button:active:not([disabled]) {
  transform: translate(4px, 4px);
  box-shadow: 0px 0px 0px 0px transparent;
}

.pixel-button[disabled] { opacity: 0.5; cursor: not-allowed; }

.bg-primary { background-color: var(--pixel-primary); }
.bg-secondary { background-color: var(--pixel-secondary); }
.bg-success { background-color: var(--pixel-success); }
.bg-error { background-color: var(--pixel-error); }
.bg-warning { background-color: var(--pixel-warning); }

.flag-btn {
  aspect-ratio: 3 / 2;
  width: 100%;
  overflow: hidden;
  border: 4px solid var(--pixel-border);
  background-color: var(--pixel-surface);
  box-shadow: 4px 4px 0px 0px var(--pixel-shadow);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s, border-color 0.2s;
  padding: 0;
}

.flag-btn:active:not(.disabled) {
  transform: translate(4px, 4px);
  box-shadow: 0px 0px 0px 0px transparent;
}
.flag-btn.disabled { cursor: not-allowed; }
.flag-btn img { width: 100%; height: 100%; object-fit: cover; display: block; }

.correct-variant { border-color: var(--pixel-success) !important; }
.wrong-variant { border-color: var(--pixel-error) !important; }
.pixel-button.correct-variant { background-color: var(--pixel-success) !important; }
.pixel-button.wrong-variant { background-color: var(--pixel-error) !important; }

.top-nav {
  width: 100%;
  max-width: 800px;
  display: flex;
  justify-content: center; /* Changed from flex-end to center */
  padding: 1rem;
  gap: 1rem; /* Added slightly more gap for better spacing */
}

.nav-btn {
  font-size: 0.6rem;
  padding: 0.5rem;
  background-color: var(--pixel-surface);
  color: var(--pixel-text);
  border: 2px solid var(--pixel-border);
  cursor: pointer;
}

.btn-text {
  background: none;
  border: none;
  color: var(--pixel-text-muted);
  font-size: 0.65rem;
  cursor: pointer;
  text-decoration: underline;
}
.btn-text:hover { color: var(--pixel-text); }

.leaderboard-grid { display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.65rem; }
.lb-row { display: flex; justify-content: space-between; padding: 0.5rem; border-bottom: 2px dashed var(--pixel-text-muted); }
.lb-row:last-child { border-bottom: none; }

.visual-badge { border: 4px dashed var(--pixel-border); padding: 1rem; }

*:focus-visible { outline: 4px solid var(--pixel-accent); outline-offset: 3px; }

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--pixel-primary);
  color: white;
  padding: 1rem;
  text-decoration: none;
  z-index: 100;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

.hidden { display: none !important; }
.view { display: none; }
.view.active { display: block; }

.clue-box { text-align: left; display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.65rem; line-height: 1.5; padding: 0.5rem; }
.clue-item { border-left: 4px solid var(--pixel-accent); padding-left: 0.5rem; }