body {
    color: #1f2933;
}

textarea {
    min-height: 120px;
}

.content,
.snapshot-content {
    white-space: pre-line;
}

.file-placeholder {
    border: 1px dashed #adb5bd;
    border-radius: 0.375rem;
    background: #f8f9fa;
    padding: 1rem;
}

.relation-list li,
.relation-group li {
    margin-bottom: 0.5rem;
}

.version summary {
    cursor: pointer;
}

.meta {
    color: #6c757d;
}

.admin-body {
    background: #f0f0f1;
}

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 240px 1fr;
}

.admin-sidebar {
    background: #1d2327;
    color: #c3c4c7;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 1rem;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-brand:hover {
    color: #ffffff;
}

.admin-brand-mark {
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.375rem;
    background: #0d6efd;
    font-size: 0.8rem;
}

.admin-nav {
    padding: 0.75rem 0;
}

.admin-nav-link,
.admin-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.55rem 1rem;
    color: #c3c4c7;
    text-decoration: none;
    background: transparent;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    border-left: 4px solid transparent;
    text-align: left;
}

.admin-nav-link:hover,
.admin-nav-link.active,
.admin-nav-toggle:hover,
.admin-nav-toggle.active {
    color: #ffffff;
    background: #2c3338;
    border-left-color: #0d6efd;
}

.admin-nav-caret {
    font-size: 0.8rem;
    opacity: 0.75;
    transition: transform 0.15s ease-in-out;
}

.admin-nav-toggle[aria-expanded="true"] .admin-nav-caret {
    transform: rotate(180deg);
}

.admin-subnav {
    padding: 0.15rem 0 0.35rem;
    background: rgba(0, 0, 0, 0.12);
}

.admin-subnav-link {
    display: block;
    padding: 0.45rem 1rem 0.45rem 2.25rem;
    color: #c3c4c7;
    text-decoration: none;
    border-left: 4px solid transparent;
    font-size: 0.95rem;
}

.admin-subnav-link:hover,
.admin-subnav-link.active {
    color: #ffffff;
    background: #2c3338;
    border-left-color: #72aee6;
}

.admin-main {
    min-width: 0;
}

.admin-topbar {
    min-height: 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.65rem 1.5rem;
    background: #ffffff;
    border-bottom: 1px solid #dcdcde;
}

.admin-content {
    padding: 1.5rem;
}

@media (max-width: 991.98px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
    }

    .admin-nav {
        display: flex;
        overflow-x: auto;
        padding: 0.5rem;
    }

    .admin-nav-link,
    .admin-nav-toggle,
    .admin-subnav-link {
        white-space: nowrap;
        border-left: 0;
        border-bottom: 3px solid transparent;
    }

    .admin-nav-toggle {
        width: auto;
    }

    .admin-subnav {
        display: flex;
        padding: 0;
        background: transparent;
    }

    .admin-subnav-link {
        padding: 0.55rem 1rem;
    }

    .admin-nav-link.active,
    .admin-nav-toggle.active,
    .admin-subnav-link.active {
        border-bottom-color: #0d6efd;
    }

    .admin-content {
        padding: 1rem;
    }
}