body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: #fafafa;
  color: #222;
}

header {
  background-color: white;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #dbdbdb;
  position: sticky;
  top: 0;
  z-index: 100;
}



.login {
  background: transparent;
  border: 1px solid #0095f6;
  color: #0095f6;
  padding: 5px 12px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
}

main {
  padding: 20px;
}

.feed {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
  margin: auto;
}

.card {
  background: white;
  border: 1px solid #dbdbdb;
  border-radius: 6px;
  overflow: hidden;
}

.card img {
  width: 100%;
  display: block;
}

.card-content {
  padding: 10px 15px;
}

.card-content p {
  margin: 0 0 10px;
  line-height: 1.4;
}

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

.card-actions button {
  background: none;
  border: none;
  color: #0095f6;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.bottom-nav {
  display: flex;
  justify-content: space-around;
  padding: 10px 0;
  background: white;
  border-top: 1px solid #dbdbdb;
  position: sticky;
  bottom: 0;
}

.bottom-nav a {
  text-decoration: none;
  color: #444;
  font-size: 0.9rem;
}


.placa-mercosul {
  margin-left: calc(50% - 140px);
  width: 280px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  border: 2px solid #ccc;
  font-family: 'Arial Black', sans-serif;
}

.placa-mercosul .barra-superior {
  background-color: #0033a0;
  color: white;
  text-align: center;
  padding: 6px 0;
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 1px;
}
.placa-mercosul .entrada-placa {
  background-color: #fff;
  padding: 14px;
  text-align: center;
}
.placa-mercosul .entrada-placa input {
  width: 100%;
  font-size: 24px;
  text-transform: uppercase;
  text-align: center;
  font-family: 'Courier New', monospace;
  border: 2px solid #ddd;
  border-radius: 4px;
  padding: 6px;
  letter-spacing: 2px;
  box-sizing: border-box;
}


@media (max-width: 600px) {
  .logo a img {
    max-width: 13em;
  }
}

button {
  background-color: #003399; /* deep blue like Mercosul */
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s ease, transform 0.1s ease;
}

button:hover {
  background-color: #002080;
}

button:active {
  transform: scale(0.97);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
h2{text-align: center;}