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

/* FUNDO */
body {
  min-height: 100vh;

  /* imagem de fundo + escurecimento */
  background:
    linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)),
    url("brayanbackground.png") no-repeat center center;

  background-size: cover;

  display: flex;
  align-items: center;
  justify-content: center;
}

/* CAIXA DE LOGIN (GLASS SUAVE) */
.login-box {
  width: 100%;
  max-width: 260px;

  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  border-radius: 18px;
  padding: 22px;

  color: #ffffff;

  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
}

/* TÍTULO */
.login-box h1,
.login-box h2 {
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.4px;
}

/* LABELS */
.login-box label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
}

/* INPUTS / SELECT */
.login-box input,
.login-box select {
  width: 100%;
  padding: 10px;
  margin: 6px 0 14px;

  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;

  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;

  outline: none;
  font-size: 13px;
}

/* PLACEHOLDER */
.login-box input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

/* FOCO */
.login-box input:focus,
.login-box select:focus {
  border-color: rgba(255, 255, 255, 0.35);
}

/* BOTÃO */
.login-box button {
  width: 100%;
  padding: 11px;

  background: #ffffff;
  color: #000000;

  border: none;
  border-radius: 12px;

  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.25s;
}

.login-box button:hover {
  background: #e0e0e0;
  transform: translateY(-1px);
}

/* ERRO */
.error {
  display: none;
  margin-top: 10px;
  text-align: center;
  font-size: 13px;
  color: #ff6b6b;
}