/**
 * PWA Styles - Estilos específicos para funcionalidades PWA
 * Incluye indicadores de estado, botones de instalación y elementos de interfaz
 */

/* ==========================================================================
   Variables CSS para PWA
   ========================================================================== */
:root {
  --pwa-primary-color: #2563eb;
  --pwa-secondary-color: #1e40af;
  --pwa-success-color: #10b981;
  --pwa-warning-color: #f59e0b;
  --pwa-error-color: #ef4444;
  --pwa-offline-color: #6b7280;
  --pwa-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --pwa-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --pwa-border-radius: 8px;
  --pwa-transition: all 0.3s ease;
}

/* ==========================================================================
   Indicadores de estado de conexión
   ========================================================================== */
.connection-status {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1000;
  padding: 8px 12px;
  border-radius: var(--pwa-border-radius);
  font-size: 12px;
  font-weight: 600;
  color: white;
  transition: var(--pwa-transition);
  box-shadow: var(--pwa-shadow);
}

.connection-status.online {
  background-color: var(--pwa-success-color);
}

.connection-status.offline {
  background-color: var(--pwa-offline-color);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ==========================================================================
   Indicador de sincronización pendiente
   ========================================================================== */
.sync-indicator {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  background-color: var(--pwa-warning-color);
  color: white;
  padding: 10px 15px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: var(--pwa-shadow-lg);
  transition: var(--pwa-transition);
  cursor: pointer;
}

.sync-indicator:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px -5px rgba(0, 0, 0, 0.15);
}

.sync-indicator.syncing {
  background-color: var(--pwa-primary-color);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Botón de instalación PWA
   ========================================================================== */
.install-button {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 1000;
  background: linear-gradient(135deg, var(--pwa-primary-color), var(--pwa-secondary-color));
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--pwa-shadow-lg);
  transition: var(--pwa-transition);
  display: none;
}

.install-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px -5px rgba(37, 99, 235, 0.4);
}

.install-button:active {
  transform: translateY(-1px);
}

.install-button::before {
  content: "📱";
  margin-right: 8px;
}

/* ==========================================================================
   Banner de actualización
   ========================================================================== */
.update-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: linear-gradient(135deg, var(--pwa-primary-color), var(--pwa-secondary-color));
  color: white;
  padding: 12px 20px;
  box-shadow: var(--pwa-shadow);
  animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.update-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.update-content span {
  font-weight: 600;
  flex-grow: 1;
}

.btn-update {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  margin-left: 10px;
  transition: var(--pwa-transition);
}

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

.btn-close {
  background: none;
  border: none;
  color: white;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  margin-left: 10px;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--pwa-transition);
}

.btn-close:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Modo sin conexión - Overlay
   ========================================================================== */
.offline-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
}

.offline-message {
  background-color: white;
  padding: 30px;
  border-radius: var(--pwa-border-radius);
  text-align: center;
  max-width: 400px;
  margin: 20px;
  box-shadow: var(--pwa-shadow-lg);
}

.offline-message h3 {
  color: var(--pwa-offline-color);
  margin-bottom: 15px;
  font-size: 18px;
}

.offline-message p {
  color: #6b7280;
  margin-bottom: 20px;
  line-height: 1.5;
}

.offline-message .btn {
  background-color: var(--pwa-primary-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: var(--pwa-border-radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--pwa-transition);
}

.offline-message .btn:hover {
  background-color: var(--pwa-secondary-color);
}

/* ==========================================================================
   Indicadores de estado PWA en la interfaz
   ========================================================================== */
.pwa-status-bar {
  background-color: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  padding: 8px 16px;
  font-size: 12px;
  color: #64748b;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pwa-status-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pwa-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--pwa-offline-color);
}

.pwa-status-dot.online {
  background-color: var(--pwa-success-color);
}

.pwa-status-dot.syncing {
  background-color: var(--pwa-warning-color);
  animation: pulse 1.5s infinite;
}

/* ==========================================================================
   Botones de acción PWA
   ========================================================================== */
.pwa-action-buttons {
  display: flex;
  gap: 10px;
  margin: 15px 0;
}

.pwa-btn {
  background-color: var(--pwa-primary-color);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: var(--pwa-border-radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--pwa-transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pwa-btn:hover {
  background-color: var(--pwa-secondary-color);
  transform: translateY(-1px);
}

.pwa-btn:disabled {
  background-color: #9ca3af;
  cursor: not-allowed;
  transform: none;
}

.pwa-btn.secondary {
  background-color: #6b7280;
}

.pwa-btn.secondary:hover {
  background-color: #4b5563;
}

.pwa-btn.success {
  background-color: var(--pwa-success-color);
}

.pwa-btn.success:hover {
  background-color: #059669;
}

.pwa-btn.warning {
  background-color: var(--pwa-warning-color);
}

.pwa-btn.warning:hover {
  background-color: #d97706;
}

/* ==========================================================================
   Notificaciones in-app
   ========================================================================== */
.pwa-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10003;
  background-color: white;
  border-left: 4px solid var(--pwa-primary-color);
  padding: 16px 20px;
  border-radius: var(--pwa-border-radius);
  box-shadow: var(--pwa-shadow-lg);
  max-width: 350px;
  animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.pwa-notification.success {
  border-left-color: var(--pwa-success-color);
}

.pwa-notification.warning {
  border-left-color: var(--pwa-warning-color);
}

.pwa-notification.error {
  border-left-color: var(--pwa-error-color);
}

.pwa-notification-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.pwa-notification-title {
  font-weight: 600;
  color: #1f2937;
  font-size: 14px;
}

.pwa-notification-close {
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pwa-notification-close:hover {
  color: #6b7280;
}

.pwa-notification-body {
  color: #6b7280;
  font-size: 13px;
  line-height: 1.4;
}

/* ==========================================================================
   Loader de sincronización
   ========================================================================== */
.sync-loader {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid #e5e7eb;
  border-radius: 50%;
  border-top-color: var(--pwa-primary-color);
  animation: spin 1s linear infinite;
}

/* ==========================================================================
   Responsive Design para PWA
   ========================================================================== */
@media (max-width: 768px) {
  .install-button {
    bottom: 10px;
    left: 10px;
    padding: 10px 16px;
    font-size: 12px;
  }
  
  .connection-status {
    top: 5px;
    right: 5px;
    padding: 6px 10px;
    font-size: 11px;
  }
  
  .sync-indicator {
    bottom: 10px;
    right: 10px;
    padding: 8px 12px;
    font-size: 11px;
  }
  
  .update-banner {
    padding: 10px 15px;
  }
  
  .update-content {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  
  .pwa-notification {
    top: 10px;
    right: 10px;
    left: 10px;
    max-width: none;
  }
  
  .pwa-action-buttons {
    flex-direction: column;
  }
  
  .pwa-btn {
    justify-content: center;
  }
}

/* ==========================================================================
   Modo oscuro para PWA
   ========================================================================== */
@media (prefers-color-scheme: dark) {
  .pwa-status-bar {
    background-color: #1f2937;
    border-bottom-color: #374151;
    color: #9ca3af;
  }
  
  .pwa-notification {
    background-color: #1f2937;
    color: #e5e7eb;
  }
  
  .pwa-notification-title {
    color: #f9fafb;
  }
  
  .offline-message {
    background-color: #1f2937;
    color: #e5e7eb;
  }
  
  .offline-message h3 {
    color: #d1d5db;
  }
  
  .offline-message p {
    color: #9ca3af;
  }
}

/* ==========================================================================
   Animaciones adicionales
   ========================================================================== */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

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

.slide-up {
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.bounce-in {
  animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ==========================================================================
   Utilidades PWA
   ========================================================================== */
.pwa-hidden {
  display: none !important;
}

.pwa-visible {
  display: block !important;
}

.pwa-flex {
  display: flex !important;
}

.pwa-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pwa-text-center {
  text-align: center;
}

.pwa-mt-2 {
  margin-top: 8px;
}

.pwa-mb-2 {
  margin-bottom: 8px;
}

.pwa-p-2 {
  padding: 8px;
}

.pwa-rounded {
  border-radius: var(--pwa-border-radius);
}

.pwa-shadow {
  box-shadow: var(--pwa-shadow);
}