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

body {
  background: linear-gradient(135deg, #1e1e2f, #3a3a5a);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
}

.container {
  background: #2b2b40;
  padding: 30px;
  border-radius: 14px;
  width: 100%;
  max-width: 420px;
  text-align: center;
}

h1 {
  margin-bottom: 5px;
}

.subtitle {
  font-size: 14px;
  color: #ccc;
  margin-bottom: 15px;
}

input, select, button {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 6px;
  border: none;
}

.grid {
  display: flex;
  gap: 10px;
}

button.primary {
  background: #6c63ff;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
}

button.primary:hover {
  background: #584fe0;
}

.info-btn {
  background: transparent;
  border: 1px solid #444;
  color: #aaa;
  padding: 8px;
  border-radius: 6px;
  margin-bottom: 10px;
  cursor: pointer;
}

.admin-demo {
  background: #24243a;
  border: 1px dashed #444;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.admin-demo p {
  font-size: 12px;
  color: #aaa;
  margin-bottom: 6px;
}

.admin-demo a {
  color: #03a9f4;
  text-decoration: none;
  font-weight: bold;
}

#mensagem {
  margin-top: 10px;
  font-weight: bold;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: #2b2b40;
  padding: 20px;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  text-align: left;
}

.close {
  float: right;
  cursor: pointer;
}