/**
 * Schulverwaltung – Projektergänzungen zu Bootstrap 5.3
 * (Farben, Shell, Druck, fachliche Hilfsklassen)
 */
:root {
    --app-sidebar-bg: #f8f9fa;
    --app-sidebar-border: #dee2e6;
    --app-sidebar-collapsed-width: 56px;
}

.app-sidebar {
    background-color: var(--app-sidebar-bg);
    border-color: var(--app-sidebar-border) !important;
    min-height: 100vh;
}

@media (min-width: 992px) {
    .app-sidebar {
        min-height: 100vh;
    }
}

.app-sidebar .app-nav-section-title,
.app-sidebar-offcanvas .app-nav-section-title {
    font-size: 0.625rem;
    letter-spacing: 0.07em;
    color: #6c757d;
}

.app-sidebar .nav-link {
    color: #495057;
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-sidebar-offcanvas .nav-link {
    padding: 0.5rem 0.75rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-sidebar .nav-link:hover,
.app-sidebar-offcanvas .nav-link:hover {
    background-color: #e9ecef;
    color: #0d6efd;
}

.app-nav-icon {
    width: 1.1rem;
    text-align: center;
    flex: 0 0 1.1rem;
}

.app-nav-link-text {
    min-width: 0;
}

.app-nav-group-title {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: #343a40 !important;
    padding-top: 0.5rem !important;
    margin-top: 0.75rem !important;
    border-top: 1px solid #dee2e6;
}

.app-nav-group-title:first-child {
    border-top: none;
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.app-nav-details > summary {
    list-style: none;
    cursor: pointer;
}

.app-nav-details > summary::-webkit-details-marker {
    display: none;
}

.app-nav-details > summary::before {
    content: "";
    display: inline-block;
    width: 0.35rem;
    height: 0.35rem;
    margin-right: 0.35rem;
    border-right: 2px solid #6c757d;
    border-bottom: 2px solid #6c757d;
    transform: rotate(-45deg);
    vertical-align: middle;
    transition: transform 0.15s ease;
}

.app-nav-details[open] > summary::before {
    transform: rotate(45deg);
}

@media (min-width: 992px) {
    body.app-sidebar-collapsed .app-sidebar-col {
        flex: 0 0 var(--app-sidebar-collapsed-width) !important;
        width: var(--app-sidebar-collapsed-width) !important;
        max-width: var(--app-sidebar-collapsed-width) !important;
    }

    body.app-sidebar-collapsed .app-content-col {
        flex: 1 1 auto !important;
        width: auto !important;
        max-width: none !important;
    }

    #appSidebar.app-sidebar--collapsed .offcanvas-body {
        padding-left: 0.5rem !important;
        padding-right: 0.5rem !important;
    }

    #appSidebar.app-sidebar--collapsed .app-sidebar-collapse-toggle {
        width: 40px;
        justify-content: center;
    }

    #appSidebar.app-sidebar--collapsed .app-nav-group-title {
        display: none;
    }

    #appSidebar.app-sidebar--collapsed .app-nav-section-text,
    #appSidebar.app-sidebar--collapsed .app-nav-link-text {
        display: none;
    }

    #appSidebar.app-sidebar--collapsed .app-nav-details > summary::before {
        display: none;
    }

    #appSidebar.app-sidebar--collapsed .app-nav-section-title {
        display: flex;
        align-items: center;
        justify-content: center;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-bottom: 0.25rem !important;
    }

    #appSidebar.app-sidebar--collapsed .nav-link {
        justify-content: center;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    #appSidebar.app-sidebar--collapsed .app-nav-icon {
        width: 1.25rem;
        flex: 0 0 1.25rem;
        font-size: 1.1rem;
    }

    #appSidebar.app-sidebar--collapsed .app-nav-details > ul {
        display: none;
    }
}

.app-sidebar-collapse-toggle .bi {
    font-size: 1rem;
    line-height: 1;
}

.app-context-tabs .nav-link {
    white-space: nowrap;
}

@media print {
    .app-sidebar-offcanvas {
        display: none !important;
    }
}

.app-sidebar .nav-link.active,
.app-sidebar-offcanvas .nav-link.active,
.app-sidebar a.nav-link[aria-current="page"],
.app-sidebar-offcanvas a.nav-link[aria-current="page"] {
    background-color: rgba(13, 110, 253, 0.14);
    color: #0d6efd;
    font-weight: 600;
    border-left: 3px solid #0d6efd;
    padding-left: calc(0.75rem - 3px);
}

.app-content-col > .navbar {
    position: relative;
    z-index: 1030;
}

.app-main-content {
    min-width: 0;
}

.app-page-title {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Toolbar / Filterzeilen (Listen) */
.app-toolbar {
    gap: 0.75rem;
}

/* Tabellen-Aktionen: kompakte Buttons nebeneinander */
.table-actions {
    white-space: nowrap;
}

.table-actions .btn-group-sm > .btn,
.table-actions .btn.btn-sm {
    margin-right: 0.15rem;
}

.table-actions .btn:last-child {
    margin-right: 0;
}

.table-actions form.d-inline {
    margin-right: 0.15rem;
}

/* Sortierbare Tabellenköpfe */
.table-sort-th {
    white-space: nowrap;
}

.table-sort-link {
    color: inherit;
}

.table-sort-link:hover {
    color: #0d6efd;
}

.table-sort-indicator {
    font-size: 0.75em;
    opacity: 0.85;
}

/* ZP10 Client-Validierung */
.zp10-validation-error:not([hidden]) {
    padding: 0.75rem 1rem;
    background-color: #f8d7da;
    border: 1px solid #f5c2c7;
    color: #842029;
    border-radius: 0.375rem;
}

tr.zp10-row-error td {
    background-color: #f8d7da !important;
}

/* Strukturierte Dokumente (Export/Druck) */
.structured-document__title {
    page-break-after: avoid;
}

.structured-document__table-wrap {
    page-break-inside: avoid;
}

/* Druck: Navigation/Interaktion ausblenden, Inhalt nutzbar */
@media print {
    .app-no-print,
    .app-sidebar,
    .navbar,
    .btn,
    .app-toolbar,
    form:not(.app-print-form) {
        display: none !important;
    }

    th.table-actions,
    td.table-actions,
    .zp10-entries-table th.table-actions,
    .zp10-entries-table td.table-actions {
        display: none !important;
    }

    body {
        background: #fff !important;
    }

    .card {
        border: none !important;
        box-shadow: none !important;
    }

    .table {
        font-size: 0.85rem;
    }
}