body {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
 background: linear-gradient(135deg, #fff8f0, #e3f2fd, #fef6ff, #f0f8ff);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  color: #222;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.card {
  position: relative; 
  padding-bottom: 3.5rem; 
  padding: 2rem 1.5rem 1.5rem 1.5rem; 

  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  text-align: center;
  margin: 2rem auto;
  max-width: 720px;
  color: #004d7a;
  animation: fadeInUp 0.6s ease;
}

.xp, .lives {
  font-size: 1.2rem;
  font-weight: bold;
  margin: 0.5rem;
}


.xpbar-container {
  margin-top: 1rem;
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  overflow: hidden;
}

#xpBar {
  height: 100%;
  background: #00c896;
  width: 0%;
  border-radius: 6px;
  
   transition: width 0.5s ease;
}

.question {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.options button,
.popup-content button {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: 10px;
  background: #ff9500;
  color: white;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.options button:hover,
.popup-content button:hover {
  background: #e67e00;
  transform: scale(1.05);
}

.options button:active {
  transform: scale(0.97);
  background: #cc6e00;
}

.options button.correct {
  background-color: #17ba22 !important;
  color: #fff;
  box-shadow: 0 0 12px rgba(0, 200, 150, 0.5);
}

.options button.wrong {
  background-color: #e74c3c !important;
  color: #fff;
  box-shadow: 0 0 12px rgba(231, 76, 60, 0.5);
}

.feedback {
  font-size: 1.1rem;
  font-weight: 500;
  min-height: 2rem;
  margin-bottom: 1rem;
  color: #333;
  transition: all 0.3s ease-in-out;
}

.popup {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.65);
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.popup-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.25);
  animation: pop 0.4s ease-in-out;
}

.popup-content h2 {
  color: #004d7a;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.popup-content p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #222;
}

.popup-content-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.popup-content-buttons button {
  flex: 1 1 120px;
  margin: 0;
}

#result a {
  display: inline-block;
  margin-top: 1rem;
  font-weight: bold;
  color: #004d7a;
  text-decoration: none;
  transition: color 0.3s;
}

#result a:hover {
  color: #002f4d;
}

@keyframes pop {
  0% { transform: scale(0.8); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.next-btn {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: 10px;
  background: #004d7a;
  color: white;
  cursor: pointer;
  font-weight: bold;
  margin-top: 1rem;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.next-btn:hover {
  background: #003256;
  transform: scale(1.05);
}

.next-btn:active {
  transform: scale(0.97);
  background: #00243d;
}
.corner-buttons-container {
  display: flex;
  justify-content: space-between;
  margin: 1rem 0;
  padding: 0 1rem;
}

.corner-btn {
  background-color: #004d7a;
  color: white;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 10px;
  font-weight: bold;
  font-size: 0.95rem;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
  transition: 0.3s ease;
  flex: 1 1 45%;
  margin: 0 0.25rem;
}

.corner-btn:hover {
  background-color: #003256;
  transform: scale(1.05);
}
.selected {
  border: 2px solid #ff9500 !important;
  background-color: #fff3e0 !important;
  color:#ff9500 !important;
  animation: pulse 0.25s ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.xpbar-container {
  margin-top: 1rem;
}

.buttons-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.8rem;
  position: relative; 
}

.right-buttons {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  flex:1;
}

#skipBtn,
#checkBtn,
#continueBtn {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.25s ease;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}


#skipBtn {
  background: #ff9500;
  color: white;
}
#skipBtn:hover {
  background: #e67e00;
}


#checkBtn {
  background: #004d7a;
  color: white;
}
#checkBtn:hover {
  background: #003256;
}


#continueBtn {
  background: #00c896;
  color: white;
 
}
#continueBtn:hover {
  background: #00a97a;
  transform: scale(1.05);
}
@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}
.bounce {
  animation: bounce 0.4s ease;
}

#sadEmoji {
  transition: all 0.6s ease;
  position: absolute;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 999;
}
#svgReactionContainer {
  position: fixed;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}
#svgReactionContainer.show {
  opacity: 1;
}