h1 {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
}

/* Banner informativo */
.info-banner {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 15px;
  border-radius: 12px;
  margin-bottom: 25px;
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.info-content {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
}

.info-icon {
  font-size: 1.5rem;
}

.info-text {
  flex: 1;
  min-width: 200px;
}

.info-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s ease;
}

.info-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.controls {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.input-group label {
  font-weight: bold;
  color: #555;
}

input[type="text"] {
  padding: 10px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  min-width: 200px;
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: #007bff;
  color: white;
}

.btn-primary:hover {
  background: #0056b3;
  transform: translateY(-2px);
}

.btn-success {
  background: #28a745;
  color: white;
}

.btn-success:hover {
  background: #1e7e34;
  transform: translateY(-2px);
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover {
  background: #c82333;
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.video-container {
  position: relative;
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

video {
  display: none; /* Ocultar el video original */
}

canvas {
  border: 3px solid #ddd;
  border-radius: 10px;
  max-width: 640px;
  max-height: 480px;
}

.status {
  text-align: center;
  margin: 20px 0;
}

.status p {
  font-size: 18px;
  font-weight: bold;
  color: #333;
}

.frame-count {
  color: #007bff;
}

.gesture-info {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 15px;
  margin: 20px 0;
}

.gesture-list {
  max-height: 300px;
  overflow-y: auto;
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 15px;
}

.gesture-item {
  background: white;
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  margin: 5px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gesture-name {
  font-weight: bold;
  color: #333;
}

.frame-info {
  color: #666;
  font-size: 14px;
}

.delete-btn {
  background: #dc3545;
  color: white;
  border: none;
  border-radius: 3px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 12px;
}

.export-btn {
  background: #007bff;
  color: white;
  border: none;
  border-radius: 3px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 12px;
  margin-right: 5px;
}

.save-btn {
  background: #28a745;
  color: white;
  border: none;
  border-radius: 3px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 12px;
  margin-right: 5px;
}

.gesture-actions {
  display: flex;
  gap: 5px;
}

.gesture-actions button:hover {
  opacity: 0.8;
  transform: scale(1.05);
}

/* Modal para guardar gestos */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
}

.modal-content {
  background-color: #fefefe;
  margin: 5% auto;
  padding: 20px;
  border: none;
  border-radius: 10px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  line-height: 1;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: #333;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
}

.gesture-summary {
  background: #f8f9fa;
  padding: 10px;
  border-radius: 5px;
  border-left: 4px solid #007bff;
}

.gesture-summary p {
  margin: 5px 0;
  color: #333;
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.2s;
}

.btn-success {
  background: #28a745;
  color: white;
}

.btn-secondary {
  background: #6c757d;
  color: white;
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.recording {
  border-color: #dc3545 !important;
  animation: recording-pulse 1s infinite;
}

@keyframes recording-pulse {
  0%,
  100% {
    box-shadow: 0 0 10px rgba(220, 53, 69, 0.5);
  }
  50% {
    box-shadow: 0 0 20px rgba(220, 53, 69, 0.8);
  }
}

.export-section {
  background: #e9ecef;
  border-radius: 8px;
  padding: 15px;
  margin-top: 20px;
  text-align: center;
}

/* Estilos para modos */
.mode-selector {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
}

.mode-btn {
  padding: 12px 24px;
  border: none;
  border-radius: 25px;
  background: rgba(102, 126, 234, 0.2);
  color: #667eea;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mode-btn.active {
  background: #667eea;
  color: white;
  transform: scale(1.05);
}

.mode-btn:hover {
  background: rgba(102, 126, 234, 0.3);
}

.mode-btn.active:hover {
  background: #5a6fd8;
}

.mode-content {
  display: none;
}

.mode-content.active {
  display: block;
}

/* Estilos para reconocimiento */
.recognition-results {
  background: #f8f9fa;
  border: 2px solid #28a745;
  border-radius: 15px;
  padding: 20px;
  margin: 20px 0;
  text-align: center;
  display: none;
}

.recognition-results.active {
  display: block;
}

.result-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.recognized-gesture {
  font-size: 2.5rem;
  font-weight: bold;
  color: #28a745;
  padding: 20px;
  background: white;
  border-radius: 15px;
  min-width: 200px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.confidence-display {
  display: flex;
  align-items: center;
  gap: 15px;
  width: 100%;
  max-width: 400px;
}

.confidence-bar-container {
  flex: 1;
  height: 20px;
  background: #e9ecef;
  border-radius: 10px;
  overflow: hidden;
}

.confidence-bar {
  height: 100%;
  background: linear-gradient(90deg, #dc3545, #ffc107, #28a745);
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 10px;
}

#confidenceText {
  font-weight: bold;
  font-size: 1.2rem;
  color: #333;
  min-width: 50px;
}

/* Slider de tolerancia */
input[type="range"] {
  width: 150px;
  margin: 0 10px;
}

#toleranceValue {
  font-weight: bold;
  color: #667eea;
  min-width: 40px;
}

/* Estados de reconocimiento */
.recognizing {
  border-color: #ffc107 !important;
  animation: recognizing-pulse 1.5s infinite;
}

@keyframes recognizing-pulse {
  0%,
  100% {
    box-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
  }
  50% {
    box-shadow: 0 0 20px rgba(255, 193, 7, 0.8);
  }
}

/* Ocultar input file */
#importFile {
  display: none;
}

/* Responsive */
@media (max-width: 768px) {
  .mode-selector {
    flex-direction: column;
    align-items: center;
  }

  .confidence-display {
    flex-direction: column;
    gap: 10px;
  }

  .recognized-gesture {
    font-size: 2rem;
    min-width: 150px;
  }
}

/* Estilos para secuencias y práctica */
.sequence-status,
.practice-status {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 15px;
  margin: 15px 0;
}

.progress-bar {
  width: 100%;
  height: 25px;
  background: #e9ecef;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  margin: 10px 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #007bff, #28a745);
  border-radius: 12px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: bold;
  color: #333;
  z-index: 1;
}

.hidden {
  display: none;
}

.current-frame-indicator {
  text-align: center;
  padding: 15px;
  background: white;
  border-radius: 8px;
  margin-bottom: 15px;
}

.frame-progress {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
}

.frame-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #dee2e6;
  border: 2px solid #adb5bd;
  transition: all 0.3s ease;
}

.frame-dot.completed {
  background: #28a745;
  border-color: #1e7e34;
}

.frame-dot.current {
  background: #ffc107;
  border-color: #e0a800;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

.similarity-display {
  text-align: center;
}

.similarity-bar-container {
  width: 100%;
  height: 30px;
  background: #e9ecef;
  border-radius: 15px;
  overflow: hidden;
  position: relative;
  margin: 10px 0;
}

.similarity-bar {
  height: 100%;
  border-radius: 15px;
  transition: all 0.3s ease;
  width: 0%;
}

#practiceGesture {
  padding: 10px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  min-width: 200px;
}

.success-animation {
  border-color: #28a745 !important;
  animation: success-glow 1s ease-in-out;
}

@keyframes success-glow {
  0%,
  100% {
    box-shadow: 0 0 10px rgba(40, 167, 69, 0.5);
  }
  50% {
    box-shadow: 0 0 25px rgba(40, 167, 69, 0.8);
  }
}

/* Estilos para opciones de completación de práctica */
.practice-completion-options {
  display: none;
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
  color: white;
  border-radius: 15px;
  padding: 25px;
  margin: 20px 0;
  box-shadow: 0 10px 30px rgba(40, 167, 69, 0.3);
  animation: slideInFromBottom 0.5s ease-out;
}

@keyframes slideInFromBottom {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.completion-message {
  text-align: center;
  margin-bottom: 20px;
}

.celebration-icon {
  font-size: 3rem;
  margin-bottom: 10px;
  animation: bounce 1s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

.completion-message h3 {
  margin: 10px 0;
  font-size: 1.5rem;
  color: white;
}

.completion-message p {
  margin: 10px 0;
  font-size: 1.1rem;
  opacity: 0.95;
}

.completion-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 15px 0;
  flex-wrap: wrap;
}

.stat-item {
  background: rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: bold;
  backdrop-filter: blur(5px);
}

.next-gesture-section,
.session-complete-section {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-top: 15px;
  backdrop-filter: blur(5px);
}

.next-gesture-section h4,
.session-complete-section h4 {
  margin: 0 0 15px 0;
  color: white;
  text-align: center;
}

.next-gesture-info {
  text-align: center;
  margin: 15px 0;
}

.next-gesture-name {
  display: block;
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 5px;
}

.next-gesture-frames {
  font-size: 0.9rem;
  opacity: 0.8;
}

.completion-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

.completion-actions .btn {
  padding: 12px 20px;
  border: none;
  border-radius: 25px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 160px;
}

.completion-actions .btn-primary {
  background: white;
  color: #28a745;
}

.completion-actions .btn-primary:hover {
  background: #f8f9fa;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.completion-actions .btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.completion-actions .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Responsive para opciones de completación */
@media (max-width: 768px) {
  .completion-stats {
    flex-direction: column;
    align-items: center;
  }
  
  .completion-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .completion-actions .btn {
    min-width: 200px;
  }
}

/* Estilos para modal de normalización */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background-color: #fefefe;
  margin: 5% auto;
  padding: 30px;
  border: none;
  border-radius: 15px;
  width: 80%;
  max-width: 600px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { 
    transform: translateY(-50px);
    opacity: 0;
  }
  to { 
    transform: translateY(0);
    opacity: 1;
  }
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

.close:hover,
.close:focus {
  color: #667eea;
  text-decoration: none;
}

.normalization-info h2 {
  color: #667eea;
  text-align: center;
  margin-bottom: 25px;
  font-size: 1.8rem;
}

.normalization-info h3 {
  color: #333;
  margin-top: 20px;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.normalization-info ol,
.normalization-info ul {
  padding-left: 20px;
  line-height: 1.6;
}

.normalization-info li {
  margin-bottom: 8px;
}

.normalization-demo {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px;
  border-radius: 10px;
  margin-top: 20px;
}

.normalization-demo h3 {
  color: white;
  margin-top: 0;
}

.normalization-demo p {
  margin: 10px 0;
}

/* Estilos específicos para la vista de edición */
.current-gesture-info {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  margin: 20px 0;
  border-left: 4px solid #007bff;
}

.gesture-details p {
  margin: 8px 0;
  font-size: 14px;
}

.gesture-details span {
  color: #495057;
  font-weight: normal;
}

.edit-section {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 20px 0;
  padding: 15px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.loading-state {
  color: #6c757d;
  font-style: italic;
}

.error-state {
  color: #dc3545;
  font-weight: bold;
}

/* === ESTILOS DEL CRONÓMETRO === */
.timer-container {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  border-radius: 15px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
  color: white;
}

.timer-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 15px;
}

.timer-controls label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  cursor: pointer;
}

.timer-controls input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.timer-settings {
  display: flex;
  align-items: center;
  gap: 10px;
}

.timer-settings input[type="number"] {
  width: 80px;
  padding: 6px 10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  font-weight: 500;
}

.timer-settings input[type="number"]:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.3);
}

.timer-settings input[type="number"]::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.capture-timer {
  text-align: center;
  padding: 20px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.timer-display {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.timer-progress {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.timer-bar {
  height: 100%;
  background: #ff6b6b;
  border-radius: 10px;
  transition: all 0.2s ease;
  width: 0%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.timer-container.disabled {
  opacity: 0.6;
  pointer-events: none;
}

/* Animaciones para el cronómetro */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.capture-timer.active {
  animation: pulse 1s ease-in-out infinite;
}

.cancel-timer-btn {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  margin-top: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.cancel-timer-btn:hover {
  background: linear-gradient(135deg, #ff5252 0%, #e53935 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 107, 107, 0.4);
}

.cancel-timer-btn:active {
  transform: translateY(0);
}

/* Responsive para el cronómetro */
@media (max-width: 768px) {
  .timer-controls {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .timer-settings {
    width: 100%;
    justify-content: space-between;
  }
  
  .timer-display {
    font-size: 20px;
  }
}