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

html, body {
  height: 100%;
  width: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Corpo da Página - Fundo e Centralização */
body {
  background-color: #A01A47; /* Vermelho BNB */
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

/* Container Branco */
.login-box {
  background: #FFFFFF;
  padding: 2.5rem 2rem;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  width: 90%;
  max-width: 380px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: relative;
  z-index: 2;
}

/* Utilitário para esconder telas */
.hidden {
  display: none !important;
}

/* Logo */
.logo {
  height: 80px;
  margin: 0 auto 1rem auto;
  display: block;
}

/* Títulos e Textos */
h3 { color: #333; font-size: 1.2rem; margin-bottom: 0.5rem; }
p { color: #666; font-size: 0.9rem; line-height: 1.4; }

/* Inputs */
.input-group { width: 100%; }
.input-group input {
  width: 100%;
  padding: 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  background-color: #f9f9f9;
  text-align: center;
  letter-spacing: 2px;
}
.input-group input:focus {
  outline: none;
  border-color: #ED7D05;
  background-color: #fff;
}

/* Botão */
.botao-acessar {
  background-color: #ED7D05;
  color: #FFFFFF;
  border: none;
  padding: 14px;
  width: 100%;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s;
}
.botao-acessar:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  opacity: 0.7;
}
.botao-acessar:not(:disabled):hover { background-color: #d57000; }

/* Acesso Mobile Link */
.acesso-mobile {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #eee;
}
.link-mobile {
  color: #A01A47;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}
.link-mobile:hover { text-decoration: underline; }

/* Tela de Carregamento (Fundo Vermelho) */
.loader-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #A01A47;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
  color: white;
}
.loader-img { width: 60px; height: 60px; margin-bottom: 15px; }