/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

/* Corpo */
body {
  background: linear-gradient(135deg, #ec4899, #f472b6);
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  color: #fff;
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 {
  font-size: 22px;
  font-weight: bold;
}

.nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
  transition: opacity 0.2s;
}

.nav a:hover {
  opacity: 0.7;
}

/* Container */
.container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Card */
.card {
  background: #fff;
  padding: 32px;
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.card h2 {
  margin-bottom: 10px;
  font-size: 22px;
  color: #111;
}

.subtitle {
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}

/* Input */
input {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #ddd;
  font-size: 16px;
  outline: none;
  transition: all 0.2s ease;
}

input:focus {
  border-color: #ec4899;
  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.25);
}

/* Mensagem */
.msg {
  margin-top: 16px;
  font-size: 14px;
  min-height: 20px;
}

/* Responsivo */
@media (max-width: 480px) {
  .card {
    padding: 24px;
  }

  .header {
    padding: 12px 20px;
  }
}
.resultado {
  margin-top: 20px;
  padding: 16px;
  border-radius: 12px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  font-size: 14px;
  display: none;
}

.resultado strong {
  color: #111827;
}

.resultado .ok {
  color: #065f46;
}

.resultado .erro {
  color: #991b1b;
}