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

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #1b1b1b, #0b0b0b);
  color: #eaeaea;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  background: #121212;
  border: 1px solid #222;
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 50px rgba(0,0,0,.6);
}

h1 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid #333;
  background: #0b0b0b;
  color: #fff;
  font-size: 15px;
  outline: none;
  margin-bottom: 14px;
}

input::placeholder {
  color: #777;
}

input:focus {
  border-color: #00c896;
}

button {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, #00c896, #00a77a);
  color: #000;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform .1s ease, box-shadow .1s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0,200,150,.25);
}

button:active {
  transform: translateY(0);
  box-shadow: none;
}

#resultado {
  margin-top: 20px;
  text-align: center;
  word-break: break-all;
}

#resultado a {
  color: #00c896;
  text-decoration: none;
  font-weight: 500;
}

#resultado a:hover {
  text-decoration: underline;
}
.pix-box {
  display: flex;
  gap: 10px;
}

.pix-box input {
  flex: 1;
  padding: 12px;
  font-size: 16px;
}

.pix-box button {
  padding: 12px 16px;
  font-size: 16px;
  cursor: pointer;
}

#feedback {
  margin-top: 12px;
  font-weight: bold;
}