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

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

.container {
  background: #2b2b40;
  padding: 30px;
  border-radius: 12px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

h1 {
  margin-bottom: 10px;
}

p {
  font-size: 14px;
  margin-bottom: 20px;
}

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

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

button:hover {
  background: #584fe0;
}

#mensagem {
  margin-top: 15px;
  font-weight: bold;
}

.info-btn {
  background: transparent;
  color: #aaa;
  border: 1px solid #444;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 15px;
}

.info-btn:hover {
  background: #3a3a5a;
  color: #fff;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: #2b2b40;
  padding: 25px;
  border-radius: 12px;
  width: 90%;
  max-width: 450px;
  color: #fff;
  text-align: left;
}

.modal-content h2 {
  margin-top: 0;
}

.modal-content ul {
  padding-left: 18px;
}

.modal-content li {
  margin-bottom: 8px;
}

.close {
  float: right;
  font-size: 22px;
  cursor: pointer;
}

.obs {
  margin-top: 15px;
  font-size: 13px;
  color: #aaa;
}

.admin-demo {
  margin: 15px 0 25px;
  padding: 12px;
  border: 1px dashed #444;
  border-radius: 8px;
  text-align: center;
  background: #24243a;
}

.admin-demo p {
  margin-bottom: 8px;
  font-size: 13px;
  color: #aaa;
}

.admin-link {
  display: inline-block;
  padding: 8px 14px;
  background: #03a9f4;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: bold;
}

.admin-link:hover {
  background: #0288d1;
}