body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background: linear-gradient(to bottom right, #fce4ec, #e0f7fa);
  padding: 20px;
}

h1 {
  text-align: center;
  font-size: 2.5rem;
  color: blue;
  margin-bottom: 30px;
}

.container {
  max-width: 600px;
  margin: 0 auto;
}

.card {
  background: white;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  padding: 15px;
  margin-bottom: 20px;
}

.textarea {
  width: 96%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 10px;
  resize: vertical;
  margin-bottom: 10px;
}

.button {
  background-color: blue;
  color: white;
  padding: 10px 15px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  width: 100%;
}

.button:hover {
  background-color: blue;
}

.post-user {
  color: gray;
  font-size: 0.9rem;
}

.post-content {
  font-size: 1.1rem;
  margin-top: 5px;
}

.skeleton-card {
  position: relative;
  overflow: hidden;
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.2s infinite linear;
  border-radius: 8px;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.preview-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.image-placeholder-btn {
  transition: border-color 0.2s;
}

.image-placeholder-btn:hover {
  border-color: #888;
  background: #f5f5f5;
}

.fullscreen-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.9);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.fullscreen-modal.visible {
  opacity: 1;
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transform: scale(0.9);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.modal-content.visible {
  transform: scale(1);
  opacity: 1;
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

.post-user {
  font-size: 0.9rem;
  color: #000;
  margin-bottom: 5px;
  font-weight: bolder;
}

.card-image-grid {
  display: grid;
  grid-gap: 8px;
  margin-top: 15px;
  border-radius: 8px;
  overflow: hidden;
}

.image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  padding-bottom: 75%; /* Proporção 4:3 */
  height: 0;
}

.image-wrapper img.card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.image-wrapper img.card-img:hover {
  transform: scale(1.05);
  cursor: pointer;
}

.modal-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 80%;
}

.nav-btn {
  background-color: rgba(255, 255, 255, 0.3);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 24px;
  cursor: pointer;
  margin: 0 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s;
}

.nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.5);
}

.modal-counter {
  color: white;
  text-align: center;
  margin-top: 15px;
  font-size: 16px;
}

.name-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.name-modal.visible {
  display: block;
  opacity: 1;
}

.name-modal-content {
  background-color: white;
  margin: 15% auto;
  padding: 30px;
  border-radius: 15px;
  max-width: 500px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  text-align: center;
  animation: modalFadeIn 0.5s;
}

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

.name-input {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 16px;
  box-sizing: border-box;
}

.name-error {
  color: red;
  margin-top: 15px;
  font-size: 14px;
  min-height: 20px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  position: relative;
}

.header-left {
  display: flex;
  align-items: center;
}

.logout-btn {
  background-color: #ff5252;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px 15px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.logout-btn:hover {
  background-color: #ff1744;
}

.user-welcome {
  margin-right: 10px;
  font-size: 0.9rem;
  color: #555;
}

.login-card {
  text-align: center;
  padding: 30px;
}

.login-card p {
  margin-bottom: 15px;
  font-size: 1.1rem;
  color: #555;
}

.login-button {
  width: 120px;
  margin: 0 auto;
}

/* Estilos para notificações */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 18px;
  border-radius: 8px;
  color: white;
  font-weight: bold;
  z-index: 1000;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.3s, transform 0.3s;
  max-width: 300px;
}

.notification.success {
  background-color: #4caf50;
  border-left: 5px solid #388e3c;
}

.notification.error {
  background-color: #f44336;
  border-left: 5px solid #d32f2f;
}

.notification.warning {
  background-color: #ff9800;
  border-left: 5px solid #f57c00;
}

.notification.info {
  background-color: #2196f3;
  border-left: 5px solid #1976d2;
}

/* Estilos para o loader */

/* Botão flutuante para recarregar */
.floating-reload-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #2196f3;
  color: white;
  font-size: 24px;
  border: none;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.3s, background-color 0.3s;
  z-index: 99;
}

.floating-reload-btn:hover {
  background-color: #1976d2;
  transform: scale(1.1);
}

.floating-reload-btn:active {
  transform: scale(0.95) rotate(30deg);
}

.floating-reload-btn.loading {
  animation: rotating 1s linear infinite;
}

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

/* Estilo para mensagem de cards vazios */
.empty-message {
  text-align: center;
  padding: 30px;
  color: #757575;
}

.empty-message p {
  margin: 5px 0;
  font-size: 16px;
}

/* Indicador de carregamento inicial da aplicação */
.app-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(252, 228, 236, 0.95);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

.app-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(0, 0, 255, 0.3);
  border-radius: 50%;
  border-top-color: blue;
  animation: spin 1s linear infinite;
  margin-bottom: 15px;
}

.app-loader p {
  color: blue;
  font-weight: bold;
  font-size: 18px;
}

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