:root {
    --bs-primary: #1976D2;
    --bs-primary-rgb: 25, 118, 210;
    --brand-primary: #1976D2;
}

body {
    background-color: #F8F9FA;
}

h1, h2, h3 {
    color: var(--brand-primary);
}

.btn-primary {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: #125a9c;
    border-color: #125a9c;
}

.navbar-brand-title {
    font-weight: 700;
    font-size: 14px;
    margin: 4px 0;
    color: var(--brand-primary);
}
.navbar-brand-sub {
    font-size: 11px;
    color: gray;
    margin: 0;
}

.sidebar {
    min-width: 260px;
    max-width: 260px;
    min-height: 100vh;
    background: #fff;
    border-right: 1px solid #e9ecef;
    padding: 16px 0;
}

.sidebar-logo {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--brand-primary);
}

.menu-section {
    font-size: 11px;
    font-weight: 600;
    color: gray;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 12px 16px 4px 16px;
}

.role-badge {
    display: inline-block;
    color: #fff;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 10px;
}
.role-badge-admin { background: #E53935; }
.role-badge-operator { background: #F57C00; }
.role-badge-user { background: #2E7D32; }

.user-card {
    background: #F0F2F6;
    border-radius: 10px;
    padding: 10px 14px;
    margin-bottom: 8px;
}

.login-card-wrap {
    max-width: 420px;
    margin: 4rem auto;
}

.login-logo {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--brand-primary);
}

.home-card {
    height: 100%;
}
.home-card .card-icon {
    font-size: 2rem;
}

.doc-preview-frame {
    width: 100%;
    height: 500px;
    border: 1px solid #dee2e6;
    border-radius: 6px;
}

footer.app-footer {
    text-align: center;
    font-size: 10px;
    color: lightgray;
    margin-top: 8px;
}