.practice-mode {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 12px;
  padding: 30px;
  color: white;
}

.practice-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.practice-header h2 {
  margin: 0;
  font-size: 1.8em;
}

.practice-actions {
  display: flex;
  gap: 10px;
}

.practice-btn,
.reset-btn,
.posture-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1em;
}

.practice-btn {
  background: white;
  color: #667eea;
}

.practice-btn.active {
  background: #fbbf24;
  color: #1f2937;
}

.practice-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.reset-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.reset-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.posture-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.posture-btn.active {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border: 2px solid white;
  animation: pulse 2s infinite;
}

.posture-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
  }
}

/* Posture Score Banner */
.posture-score-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 15px 25px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
}

.posture-label {
  font-size: 1.2em;
  font-weight: 600;
  opacity: 0.9;
}

.posture-value {
  font-size: 1.8em;
  font-weight: 900;
}

.posture-bonus {
  padding: 5px 12px;
  background: #fbbf24;
  color: #1f2937;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9em;
}

/* Feedback Section */
.feedback-section {
  text-align: center;
  margin-bottom: 30px;
}

.current-note {
  font-size: 4em;
  font-weight: bold;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  margin-bottom: 15px;
  transition: all 0.3s;
}

.current-note.active {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.feedback-message {
  font-size: 1.5em;
  font-weight: bold;
  padding: 10px 20px;
  border-radius: 8px;
  display: inline-block;
  animation: fadeIn 0.3s;
}

.feedback-message.correct {
  background: #10b981;
}

.feedback-message.incorrect {
  background: #ef4444;
}

/* Score Display */
.score-display {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 15px;
  margin-bottom: 30px;
}

.score-card {
  background: rgba(255, 255, 255, 0.15);
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.score-label {
  font-size: 0.9em;
  opacity: 0.9;
  margin-bottom: 5px;
}

.score-value {
  font-size: 2em;
  font-weight: bold;
}

.score-value.correct {
  color: #34d399;
}

.score-value.incorrect {
  color: #fca5a5;
}

.score-value.accuracy {
  color: #fbbf24;
}

.score-value.combo {
  color: #f97316;
}

/* Grade Display */
.grade-display {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.15);
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 30px;
  backdrop-filter: blur(10px);
}

.grade-badge {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5em;
  font-weight: bold;
  color: white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.grade-info {
  flex: 1;
}

.grade-info p {
  margin: 5px 0;
  font-size: 1.1em;
}

/* Recent Notes */
.recent-notes {
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 12px;
  margin-top: 20px;
}

.recent-notes h4 {
  margin: 0 0 15px 0;
}

.notes-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.note-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 6px;
  font-weight: 600;
}

.note-item.correct {
  background: rgba(16, 185, 129, 0.3);
  border: 2px solid #10b981;
}

.note-item.incorrect {
  background: rgba(239, 68, 68, 0.3);
  border: 2px solid #ef4444;
}

.note-name {
  font-size: 1.1em;
}

.note-status {
  font-size: 1.2em;
}

/* Instructions */
.instructions {
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 12px;
  margin-top: 20px;
  backdrop-filter: blur(10px);
}

.instructions h4 {
  margin: 0 0 15px 0;
}

.instructions ol {
  margin: 0;
  padding-left: 20px;
}

.instructions li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .practice-mode {
    padding: 20px;
  }

  .practice-header {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .practice-header h2 {
    font-size: 1.5em;
  }

  .practice-actions {
    width: 100%;
    justify-content: center;
  }

  .current-note {
    font-size: 3em;
    height: 80px;
  }

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

  .grade-display {
    flex-direction: column;
    text-align: center;
  }

  .feedback-message {
    font-size: 1.2em;
  }
}