:root {
    --app-sidebar-width: 260px;
    --app-sidebar-bg: #f4f6fa;
    --app-sidebar-border: #dde1e6;
    --app-sidebar-text: #1a1d21;
    --app-sidebar-text-muted: #6c757d;
    --app-nav-hover-bg: rgba(0, 0, 0, 0.05);
    --app-nav-active-bg: rgba(32, 107, 196, 0.12);
    --app-body-bg: #f4f6fa;
}

[data-bs-theme="dark"] {
    --app-sidebar-bg: #1a1d21;
    --app-sidebar-border: #2b2f34;
    --app-sidebar-text: #ffffff;
    --app-sidebar-text-muted: #a6adba;
    --app-nav-hover-bg: rgba(255, 255, 255, 0.06);
    --app-nav-active-bg: rgba(32, 107, 196, 0.18);
    --app-body-bg: #15171a;
}

body {
    background-color: var(--app-body-bg);
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--app-sidebar-width);
    flex-shrink: 0;
    background: var(--app-sidebar-bg);
    border-right: 1px solid var(--app-sidebar-border);
    padding: 1.25rem 1rem;
}

.app-sidebar-brand {
    color: var(--app-sidebar-text);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.app-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    color: var(--app-sidebar-text-muted);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.app-nav-link:hover {
    background: var(--app-nav-hover-bg);
    color: var(--app-sidebar-text);
}

.app-nav-link.active {
    background: var(--app-nav-active-bg);
    color: var(--app-sidebar-text);
}

.app-sidebar-footer {
    border-top: 1px solid var(--app-sidebar-border);
    padding-top: 1rem;
    margin-top: auto;
    color: var(--app-sidebar-text);
}

.app-content {
    flex: 1;
    min-width: 0;
}

tr.row-archived {
    opacity: 0.6;
}

tr.row-archived td {
    color: #6c757d;
}

tr.row-archived a {
    color: #6c757d !important;
}

th.sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

th.sortable .sort-icon {
    opacity: 0.5;
    margin-left: 4px;
}

.pagination .page-link {
    cursor: pointer;
}