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

body {
  min-height: 100vh;
  font-family: 'Poppins', 'Trebuchet MS', Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px 20px;
  background: #f5f5f5;
}

#topo {
  width: 100%;
  height: 50px;
  position: fixed;
  top: 0; left: 0;
  background: linear-gradient(to right, #c0392b 47%, #7a4951 73%, #114455 87%);
  display: flex;
  align-items: center;
  z-index: 10;
}

#textotop {
  padding-left: 20px;
  font-size: clamp(22px, 5vw, 38px);
  color: #fff;
}

#log {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background-color: white;
  border: rgba(0, 0, 0, 0.174) solid 3px;
  border-radius: 10px;
  padding: 10px;
  border-top: 0px;
  border-left: 0px;
}

.mens { text-align: center; color: #1f2937; }

.campo { display: flex; flex-direction: column; gap: 8px; }
label { font-weight: 700; color: #1f2937; }

input[type="email"], input[type="password"] {
  height: 46px;
  width: 100%;
  padding: 10px;
  font-size: 16px;
  border: 1px solid #c7c7c7;
  border-radius: 6px;
  font-family: inherit;
}

form { display: flex; flex-direction: column; gap: 16px; }

#logbtn {
  align-self: center;
  width: 50%;
  padding: 12px;
  font-size: 18px;
  font-weight: bold;
  background-color: #c0392b;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease;
  border: rgba(124, 20, 20, 0.496) solid 2px;
  border-radius: 10px;
  padding: 10px;
  border-top: 0px;
  border-left: 0px;
}

#logbtn:hover { background-color: #114455; 
  border: #14323c6f solid 2px;
  border-radius: 10px;
  padding: 10px;
  border-top: 0px;
  border-left: 0px;}
#logbtn:disabled { background-color: #ccc; cursor: not-allowed; }

a { color: #111; text-decoration: none; }
a:hover { text-decoration: underline; }

#mensagem-erro {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  display: none;
}