/* Universal Filter CSS für Django Admin - unterstützt sowohl details als auch h2/h3 Struktur */

/* Moderne Django Filter (details/summary) */
#changelist-filter details {
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-bottom: 8px;
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

#changelist-filter details summary {
    cursor: pointer;
    padding: 10px 15px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    font-weight: 600;
    font-size: 13px;
    color: #495057;
    user-select: none;
    border-radius: 6px 6px 0 0;
    transition: all 0.2s ease;
}

#changelist-filter details summary:hover {
    background: #e9ecef;
    color: #212529;
}

#changelist-filter details[open] summary {
    background: #007bff;
    color: white;
    border-bottom-color: #007bff;
}

#changelist-filter details ul {
    margin: 0;
    padding: 12px 15px;
    background: white;
    border-radius: 0 0 6px 6px;
}

#changelist-filter details ul li {
    padding: 4px 0;
    border-bottom: 1px solid #f8f9fa;
}

#changelist-filter details ul li:last-child {
    border-bottom: none;
}

#changelist-filter details ul li a {
    color: #495057;
    text-decoration: none;
    font-size: 12px;
    padding: 2px 4px;
    border-radius: 3px;
    transition: all 0.2s ease;
}

#changelist-filter details ul li a:hover {
    background: #e9ecef;
    color: #212529;
}

#changelist-filter details ul li a.selected {
    background: #007bff;
    color: white;
    font-weight: 500;
}

/* Legacy Django Filter (h2/h3 + ul) */
#changelist-filter h2,
#changelist-filter h3 {
    cursor: pointer !important;
    position: relative !important;
    padding: 8px 12px !important;
    background: #e9ecef !important;
    border: 1px solid #ddd !important;
    border-radius: 4px !important;
    margin-bottom: 5px !important;
    font-weight: 500 !important;
}

#changelist-filter h2:hover,
#changelist-filter h3:hover {
    background: #dee2e6 !important;
}

/* Legacy Filter standardmäßig eingeklappt */
#changelist-filter > div > ul,
#changelist-filter > div > div > ul {
    display: none !important;
    margin: 0 !important;
    padding: 10px !important;
    background: white !important;
    border: 1px solid #ddd !important;
    border-top: none !important;
    border-radius: 0 0 4px 4px !important;
}

/* Legacy erweiterte Filter zeigen */
#changelist-filter .filter-expanded ul,
#changelist-filter .filter-expanded div ul,
#changelist-filter .filter-expanded > ul {
    display: block !important;
}

/* Legacy Pfeil-Icons */
#changelist-filter h2:after,
#changelist-filter h3:after {
    content: "▶" !important;
    position: absolute !important;
    right: 12px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    font-size: 12px !important;
    color: #666 !important;
}

#changelist-filter .filter-expanded h2:after,
#changelist-filter .filter-expanded h3:after {
    content: "▼" !important;
    color: #333 !important;
}