/* Variáveis */
:root {
    --blue: #175b6b;
}

#body {
    background-image: url('../images/login_bg.jpg') !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
    min-height: 100vh !important;
    background-position: center center !important;
}

#logoIG {
    width: 200px !important;
    height: auto !important;
}

h1 {
    color: var(--blue) !important;
}

.vertical-center {
    margin: 0;
    position: absolute;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
}

#desenvolvidoPor {
    font-size: 12px;
    color: var(--blue);
    font-weight: bold;
}

.bg-dark {
    background-color: black !important;
    opacity: 0.70 !important;
}

html, #body {
    height: 100%;
    overflow: hidden;
}

#loginBtn {
    background-color: var(--blue);
    border: none !important;
}

.btn:focus,
.btn:active {
    outline: none !important;
    box-shadow: 0 0 0 2px var(--blue) !important;
}

.form-control:focus,
.form-control:active {
    outline: none !important;
    box-shadow: 0 0 0 1px var(--blue) !important;
}

.position-relative {
    position: relative;
}

.bg-dark-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #343a40;
    border-radius: 10px;
    z-index: -1;
}

#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease;
}

#loading-overlay.show {
    opacity: 1;
    visibility: visible;
}