/* ====================================================================
   ESTILOS GERAIS (SEM GRADIENTE)
   ==================================================================== */
body, html {
    height: 100%;
    margin: 0;
}

body {
    /* Fundo sólido simples */
    background-color: #f1f3f5; 
}

.login-container {
    /* Centraliza o formulário na tela */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Ajusta a cor do placeholder para o fundo escuro */
.form-control {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}
.form-control:focus {
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: none;
    color: #fff;
    border-color: #fff;
}
.form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Spinner do botão de login */
.btn-primary .spinner-border {
    margin-right: 8px;
}

.install-trigger {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9em;
}

.install-trigger:hover {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}