body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(180deg, #0b0f1a, #020617);
  color: white;
}

/* TOPO */
.topo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #111827;
  padding: 15px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.topo h1 {
  margin: 0;
  font-size: 18px;
}

.saldo {
  font-weight: bold;
  color: #22c55e;
}

/* BOTÃO TOPO */
.topo button {
  background: #22c55e;
  padding: 8px 12px;
  border-radius: 8px;
}

/* BANNER */
.banner {
  text-align: center;
  padding: 20px;
  background: linear-gradient(90deg, #22c55e, #16a34a);
}

.banner img {
  width: 90px;
  margin-bottom: 10px;
}

/* CARDS */
.card {
  background: #1f2937;
  margin: 12px;
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

/* CARD PRINCIPAL */
.destaque {
  border: 2px solid #22c55e;
  transform: scale(1.02);
}

/* INPUT */
input {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 8px;
  border: none;
  outline: none;
  background: #0f172a;
  color: white;
}

/* BOTÕES */
button {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 8px;
  border: none;
  background: #22c55e;
  color: white;
  font-weight: bold;
  transition: 0.2s;
}

/* EFEITO HOVER */
button:hover {
  background: #16a34a;
}

/* EFEITO CLIQUE */
button:active {
  transform: scale(0.95);
}
.banner img {
  width: 90px;
  margin-bottom: 10px;
  animation: flutuar 3s ease-in-out infinite;
}

@keyframes flutuar {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}
.destaque button {
  animation: pulsar 1.5s infinite;
}

@keyframes pulsar {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}
/* TELAS */
.tela {
  display: none;
  padding-bottom: 70px;
}

.ativa {
  display: block;
}

/* MENU */
.menu {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: #111827;
  display: flex;
  justify-content: space-around;
  padding: 10px 0;
}

.menu button {
  background: none;
  border: none;
  color: white;
  font-size: 20px;
}