/* Login page styles — color theme: #D6C7A1, #B5A476, #4F5D2F, #3B4528, #5A4632 */
:root{
    --tan1: #D6C7A1;
    --tan2: #B5A476;
    --green1: #4F5D2F;
    --green2: #3B4528;
    --brown: #5A4632;
}

/* Page background & typography */
body {
    background: url("/images/portal_login.jpg"), linear-gradient(180deg, #ffffff 0%, #fbf8ef 30%);
    color: #222;
    font-family: Poppins, Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* Login card */
.card {
    border: 1px solid rgba(90,70,50,0.08);
    border-radius: 10px;
    background: linear-gradient(180deg,#ffffff 0%, #f4fbef 100%);
    box-shadow: 0 6px 18px rgba(59,69,40,0.06);
}

/* Logo */
.logo {
    width: 180px;
    height: auto;
    margin-bottom: 1rem;
    filter: brightness(0%);
}

/* Form labels */
.form-label {
    color: var(--green2);
    font-weight: 600;
}

/* Form controls */
.form-control {
    border: 1px solid rgba(75,63,42,0.12);
    background: #fff;
    border-radius: 5px;
}

.form-control:focus {
    border-color: var(--green1);
    box-shadow: 0 0 0 0.2rem rgba(79, 93, 47, 0.25);
}

/* Buttons */
.btn-primary {
    background: var(--green1) !important;
    border-color: var(--green1) !important;
    color: #fff !important;
    font-weight: 600;
    border-radius: 5px;
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--green2) !important;
    border-color: var(--green2) !important;
}

/* Responsive tweaks */
@media (max-width: 576px) {
    .card {
        margin: 1rem;
        padding: 2rem 1rem;
    }
    .logo {
        width: 80px;
    }
}