/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #fffaf5;
  color: #333;
  text-align: center;
  padding: 20px;
}

/* SCREENS */
.screen {
  display: none;
  max-width: 600px;
  margin: auto;
  padding: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.screen.active {
  display: block;
}

/* BUTTONS */
.btn {
  display: block;
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  background: #ff7a00;
  color: white;
  transition: background 0.3s;
}

.btn:hover {
  background: #e96b00;
}

.hide {
  display: none;
}

/* FEEDBACK */
.correct {
  background: #22c55e !important;
  color: white;
}
.wrong {
  background: #ef4444 !important;
  color: white;
}

/* TIMER */
#timer {
  margin-top: 10px;
  font-weight: bold;
  color: #ff7a00;
}

/* PROGRESS */
#progress {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #555;
}