* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  background: #0f172a;
  color: #e5e7eb;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 20px;
}

#game {
  max-width: 900px;
  width: 100%;
  background: #020617;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

header {
  text-align: center;
  margin-bottom: 20px;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

#stats {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
  align-items: center;
}

.stat {
  background: #020617;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #1f2937;
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.gauges {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gauge span {
  font-size: 0.8rem;
  margin-bottom: 2px;
  display: inline-block;
}

.bar {
  width: 100%;
  height: 14px;
  background: #111827;
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 50%;
  transition: width 0.3s ease;
}

#gauge-inclusion {
  background: #22c55e;
}

#gauge-responsabilite {
  background: #3b82f6;
}

#gauge-durabilite {
  background: #eab308;
}

#event {
  background: #020617;
  border-radius: 12px;
  border: 1px solid #1f2937;
  padding: 18px;
}

#event-title {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

#event-description {
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: #cbd5f5;
}

#choices {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.choice-btn {
  background: #111827;
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid #1f2937;
  cursor: pointer;
  text-align: left;
  font-size: 0.95rem;
  transition: transform 0.1s ease, box-shadow 0.1s ease, border-color 0.1s ease;
}

.choice-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.4);
  border-color: #3b82f6;
}

.choice-btn.disabled {
  opacity: 0.5;
  cursor: default;
}

#feedback {
  min-height: 40px;
  font-size: 0.9rem;
  color: #d1fae5;
}

button {
  background: #3b82f6;
  border: none;
  color: white;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.95rem;
  margin-right: 8px;
  margin-top: 4px;
  transition: opacity 0.15s ease, transform 0.1s ease;
}

button:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.hidden {
  display: none;
}

#end-screen {
  margin-top: 24px;
  padding: 18px;
  border-radius: 12px;
  border: 1px solid #1f2937;
  background: #020617;
}

#end-title {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

#end-summary {
  font-size: 0.95rem;
  color: #e5e7eb;
}

@media (max-width: 700px) {
  #stats {
    grid-template-columns: 1fr;
  }
}

/* --- Overlay Snake caché --- */

#snake-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.9);
  display: flex; /* on laisse flex */
  align-items: center;
  justify-content: center;
  z-index: 50;
}

/* 👇 IMPORTANT : ceci force le display:none quand la classe hidden est présente */
#snake-overlay.hidden {
  display: none;
}

#snake-panel {
  background: #020617;
  border-radius: 16px;
  padding: 16px 18px 20px;
  border: 1px solid #1f2937;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  max-width: 460px;
  width: 100%;
  text-align: center;
}

.snake-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

#snake-close {
  background: transparent;
  border-radius: 999px;
  border: 1px solid #374151;
  padding: 4px 10px;
  font-size: 0.9rem;
  line-height: 1;
}

#snake-canvas {
  background: #020617;
  border-radius: 12px;
  border: 1px solid #1f2937;
  display: block;
  margin: 4px auto 10px;
}

#snake-instructions {
  font-size: 0.8rem;
  color: #9ca3af;
  margin-bottom: 4px;
}

#snake-score {
  font-size: 0.9rem;
  color: #e5e7eb;
}