* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  background: #050b18;
  color: white;
  overflow-x: hidden;
}

#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.overlay {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  background: rgba(0,0,0,0.6);
  padding: 25px;
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
}

h1 {
  text-align: center;
}

p {
  text-align: center;
}

input {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border-radius: 6px;
  border: none;
}

.opcoes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.opcoes button {
  flex: 1 1 48%;
  padding: 10px;
  border: 1px solid #00b4ff;
  background: transparent;
  color: #00b4ff;
  border-radius: 6px;
  cursor: pointer;
}

.opcoes button.selected {
  background: #00b4ff;
  color: #000;
}

.enviar {
  width: 100%;
  padding: 14px;
  background: #00b4ff;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 10px;
}