* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background: #111;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 400px;
  width: 100%;
  text-align: center;
  margin: 20px auto;
  padding: 20px;
  background: #222;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

input, button {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border-radius: 5px;
  border: none;
  font-size: 16px;
}

button {
  background-color: #28a745;
  color: white;
  cursor: pointer;
}

button:hover {
  background-color: #218838;
}

.login, .sorteio {
  display: none;
}

.visible {
  display: block;
}

.erro {
  color: #f66;
  margin-top: 5px;
}

.explosao {
  font-size: 2em;
  color: gold;
  animation: explode 1s ease-out forwards;
  margin: 20px 0;
}

@keyframes explode {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}

.numero-sorteado {
  font-size: 6rem;
  font-weight: bold;
  color: #00ffcc;
  text-shadow: 0 0 20px #00ffcc;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

footer {
  margin-top: auto;
  padding: 10px;
  background: #222;
  width: 100%;
  text-align: center;
  font-size: 0.9em;
  color: #ccc;
}

footer a {
  color: #25D366;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.ganhadores-salvos {
  margin-top: 20px;
  text-align: left;
}

.ganhadores-salvos h3 {
  margin-bottom: 10px;
}

.ganhadores-salvos ul {
  list-style: none;
  padding-left: 0;
}

.ganhadores-salvos li {
  margin-bottom: 5px;
  font-size: 0.9em;
  color: #aaa;
}

.ganhadores-publico {
  background: #1a1a1a;
  border: 2px solid #444;
  padding: 20px;
  margin-top: 20px;
}

.ganhadores-publico h2 {
  color: gold;
  margin-bottom: 15px;
  text-align: center;
}

#ganhadoresPublico li {
  margin: 8px 0;
  font-weight: bold;
  color: #eee;
}