/* ============ CSS VARIABLEN ============ */
:root {
    /* ===== FARBEN ===== */
    --primary-color: #2271b1;
    --primary-dark: #135e96;
    --primary-light: #e3f2fd;
    --primary-border: #bbdefb;
    --background-color: #fff;
    --text-color: #333;
    --text-light: #666;
    --border-color: #e0e0e0;
    --border-light: #f0f0f0;
    --light-bg: #f8f9fa;
    --light-hover: #e9ecef;
    --success-color: #00a32a;
    --error-color: #d63638;
    --warning-color: #dba617;
    
    /* ===== EFFEKTE ===== */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-sm: 4px;
}

/* ============ ALLGEMEINE FILTER-STYLES ============ */

/* Filter-Box Container */
.diwidu-filter-box {
    margin-bottom: 2rem;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: var(--border-radius, 8px);
    overflow: hidden;
    background: var(--background-color, #fff);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.1));
}

/* Filter-Toggle-Button */
.diwidu-filter-toggle {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--light-bg, #f8f9fa);
    border: none;
    text-align: left;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition, all 0.3s ease);
    color: var(--text-color, #333);
}

.diwidu-filter-toggle:hover {
    background: var(--light-hover, #e9ecef);
}

.diwidu-filter-toggle-icon {
    transition: var(--transition, all 0.3s ease);
}

.diwidu-filter-box.active .diwidu-filter-toggle-icon {
    transform: rotate(180deg);
}

/* Filter-Inhalt */
.diwidu-filter-content {
    padding: 1.25rem;
    background: var(--background-color, #fff);
    display: none;
    border-top: 1px solid var(--border-color, #eee);
}

.diwidu-filter-box.active .diwidu-filter-content {
    display: block;
}

/* Filter-Gruppen */
.diwidu-filter-group {
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color, #eee);
}

.diwidu-filter-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

/* Suchfilter */
.diwidu-search-filter {
    display: flex;
    gap: 0.625rem;
    align-items: center;
    flex-wrap: wrap;
}

#diwidu-event-search {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    border: 1px solid var(--border-color, #ddd);
    border-radius: var(--border-radius-sm, 4px);
    background: var(--background-color, #fff);
    color: var(--text-color, #333);
    transition: var(--transition, all 0.3s ease);
}

#diwidu-event-search:focus {
    outline: none;
    border-color: var(--primary-color, #2271b1);
    box-shadow: 0 0 0 2px rgba(34, 113, 177, 0.1);
}

/* Details/Summary-Styling */
.diwidu-filter-details {
    margin-top: 0.625rem;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: var(--border-radius, 8px);
    overflow: hidden;
    background: var(--background-color, #fff);
}

.diwidu-filter-details summary {
    padding: 0.75rem 1rem;
    background: var(--light-bg, #f8f9fa);
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    transition: var(--transition, all 0.3s ease);
    display: flex;
    align-items: center;
    color: var(--text-color, #333);
}

.diwidu-filter-details summary:hover {
    background: var(--light-hover, #e9ecef);
}

.diwidu-filter-details summary::-webkit-details-marker {
    display: none;
}

.diwidu-filter-details summary::before {
    content: "►";
    display: inline-block;
    margin-right: 0.625rem;
    font-size: 0.75rem;
    transition: var(--transition, all 0.3s ease);
    width: 1rem;
    text-align: center;
    color: var(--text-light, #666);
}

.diwidu-filter-details[open] summary::before {
    transform: rotate(90deg);
}

.diwidu-filter-details[open] summary {
    background: var(--primary-light, #e3f2fd);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    color: var(--primary-dark, #135e96);
}

/* Datumsfilter */
.diwidu-date-filters {
    padding: 1.25rem;
    background: var(--background-color, #fff);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.diwidu-date-filter {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.diwidu-date-filter label {
    color: var(--text-color, #333);
    font-weight: 500;
}

.diwidu-date-filter input[type="date"] {
    padding: 0.625rem;
    border: 1px solid var(--border-color, #ddd);
    border-radius: var(--border-radius-sm, 4px);
    background: var(--background-color, #fff);
    color: var(--text-color, #333);
}

.diwidu-date-filter input[type="date"]:focus {
    outline: none;
    border-color: var(--primary-color, #2271b1);
}

.diwidu-quick-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.625rem;
}

.diwidu-quick-date-btn {
    padding: 0.5rem 1rem;
    background: var(--light-bg, #f8f9fa);
    border: 1px solid var(--border-color, #ddd);
    border-radius: var(--border-radius-sm, 4px);
    cursor: pointer;
    transition: var(--transition, all 0.3s ease);
    color: var(--text-color, #333);
}

.diwidu-quick-date-btn:hover {
    background: var(--light-hover, #e9ecef);
}

.diwidu-quick-date-btn.active {
    background: var(--primary-color, #2271b1);
    color: white;
    border-color: var(--primary-dark, #135e96);
}

/* Kategorie- und Tag-Filter */
.diwidu-category-filter,
.diwidu-tag-filter {
    max-height: 250px;
    overflow-y: auto;
    padding: 1.25rem;
    background: var(--background-color, #fff);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.diwidu-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm, 4px);
    cursor: pointer;
    transition: var(--transition, all 0.3s ease);
    color: var(--text-color, #333);
}

.diwidu-checkbox-label:hover {
    background: var(--light-bg, #f8f9fa);
}

.diwidu-checkbox-label input[type="checkbox"] {
    accent-color: var(--primary-color, #2271b1);
}

/* Filter-Buttons */
.diwidu-filter-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.diwidu-filter-buttons .button {
    flex: 1;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm, 4px);
    text-align: center;
    transition: var(--transition, all 0.3s ease);
    cursor: pointer;
}

.diwidu-filter-buttons .button.apply {
    background: var(--primary-color, #2271b1);
    color: white;
    border: 1px solid var(--primary-dark, #135e96);
}

.diwidu-filter-buttons .button.apply:hover {
    background: var(--primary-dark, #135e96);
}

.diwidu-filter-buttons .button.reset {
    background: var(--light-bg, #f8f9fa);
    color: var(--text-color, #333);
    border: 1px solid var(--border-color, #ddd);
}

.diwidu-filter-buttons .button.reset:hover {
    background: var(--light-hover, #e9ecef);
}

/* ============ AKTIVE FILTER-ANZEIGE ============ */
.diwidu-filter-active {
    margin: 1.25rem 0;
    padding: 1.25rem;
    background: var(--light-bg, #f8f9fa);
    border-radius: var(--border-radius, 8px);
    border-left: 4px solid var(--primary-color, #2271b1);
}

.diwidu-active-filters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    margin-bottom: 1rem;
}

.diwidu-active-filter {
    background: var(--primary-light, #e3f2fd);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8125rem;
    color: var(--primary-dark, #1976d2);
    border: 1px solid var(--primary-border, #bbdefb);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.diwidu-active-filter::before {
    content: "✓";
    font-weight: bold;
}

/* "Alle Filter zurücksetzen"-Button */
.diwidu-clear-filter.button {
    background: var(--light-bg, #f8f9fa);
    border: 1px solid var(--border-color, #ddd);
    color: var(--text-color, #333);
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm, 4px);
    text-align: center;
    transition: var(--transition, all 0.3s ease);
    display: inline-block;
    text-decoration: none;
    cursor: pointer;
}

.diwidu-clear-filter.button:hover {
    background: var(--light-hover, #e9ecef);
}

/* ============ STANDORTFILTER-STYLES ============ */

/* Container für Bundesland-, Stadt- und Auswahl-Filter */
.diwidu-state-filters {
    padding: 1.25rem;
    background: var(--background-color, #fff);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Bundesland-Filter */
.diwidu-state-filter {
	padding:  0 10px 0 10px;
	max-width: 95%;	
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.diwidu-state-filter label {
    color: var(--text-color, #333);
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
	padding:  10px 10px 0 10px;
	max-width: 95%;
}

/* Stadt-Filter */
.diwidu-city-filter {
	padding:  0 10px 0 10px;
	max-width: 95%;	
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.diwidu-city-filter label {
    color: var(--text-color, #333);
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
	padding:  0 10px 0 10px;
	max-width: 95%;
}


/* Veranstalter-Select-Filter */
.diwidu-organizer-select-filter {
	padding:  0 10px 0 10px;
	max-width: 95%;	
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.diwidu-organizer-select-filter label {
    color: var(--text-color, #333);
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
	padding:  0 10px 0 10px;
	max-width: 95%;	
}


/* Location-Select-Filter */
.diwidu-location-select-filter {
    margin-bottom: 1rem;
	padding:  0 10px 0 10px;
	max-width: 95%;	
}

.diwidu-location-select-filter label {
    color: var(--text-color, #333);
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
	padding:  0 10px 0 10px;
	max-width: 95%;	
}

/* Auswahl-Filter (Location/Veranstalter) */
.diwidu-select-filter {
    margin-bottom: 1rem;
	padding: 0 10px 0 10px;
	max-width: 95%;	
}

.diwidu-select-filter label {
    color: var(--text-color, #333);
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
	padding:  0 10px 0 10px;
	max-width: 95%;
}

/* Gemeinsame Select-Styles für alle Filter */
.diwidu-state-filter select,
.diwidu-city-filter select,
.diwidu-select-filter select,
.diwidu-organizer-select-filter select,
.diwidu-location-select-filter select
 {
    width: 100%;
	padding:  0 10px 0 10px;
	margin: 0 0 10px 0;
    border: 1px solid var(--border-color, #ddd);
    border-radius: var(--border-radius-sm, 4px);
    background: var(--background-color, #fff);
    font-size: 16px;
    transition: var(--transition, all 0.3s ease);
    color: var(--text-color, #333);
}

/* Hover-Effekte für Selects */
.diwidu-state-filter select:hover,
.diwidu-city-filter select:hover,
.diwidu-select-filter select:hover,
.diwidu-organizer-select-filter select:hover,
.diwidu-location-select-filter select:hover 
{
    border-color: var(--primary-color, #2271b1);
}

/* Focus-Styles */
.diwidu-state-filter select:focus,
.diwidu-city-filter select:focus,
.diwidu-select-filter select:focus,
.diwidu-organizer-select-filter select:focus,
.diwidu-location-select-filter select:focus 
{
    outline: none;
    border-color: var(--primary-color, #2271b1);
    box-shadow: 0 0 0 2px rgba(34, 113, 177, 0.1);
}

/* ============ VERANSTALTERFILTER-STYLES ============ */

/* Container für Veranstalter-Filter */
.diwidu-organizer-filters {
    padding: 1.25rem;
    background: var(--background-color, #fff);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Veranstalter-Stadt-Filter */
.diwidu-org-city-filter {
    margin-bottom: 1rem;
	padding: 10px;
	max-width: 95%;	
}

.diwidu-org-city-filter label {
    color: var(--text-color, #333);
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
	padding: 10px;
	max-width: 95%;	
}



/* ============ ZUSTANDS-STYLES ============ */

/* Ladezustände */
.diwidu-state-filter select[disabled],
.diwidu-city-filter select[disabled],
.diwidu-select-filter select[disabled],
#diwidu-organizer-select[disabled],
#diwidu-organizer-city[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--light-bg, #f8f9fa);
}

/* Fehlerzustände */
.diwidu-filter-error,
.diwidu-organizer-error {
    color: var(--error-color, #d63638);
    font-size: 0.9em;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: #fff5f5;
    border-radius: 4px;
    border-left: 3px solid var(--error-color, #d63638);
}

/* Erfolgszustände */
.diwidu-filter-success,
.diwidu-organizer-success {
    color: var(--success-color, #00a32a);
    font-size: 0.9em;
    margin-top: 0.5rem;
}

/* Aktiver Filter-Indikator */
.diwidu-state-filters:has(select:not([value=""])) {
    border-left: 3px solid var(--primary-color, #2271b1);
}

/* ============ ANIMATIONEN ============ */

/* Animation für das Erscheinen der Auswahlfelder */
#state-city-container,
#state-location-container,
#org-state-city-container,
#org-state-organizer-container,
#organizer-select-container {
    animation: diwiduSlideDown 0.3s ease;
}

@keyframes diwiduSlideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Lade-Animation */
.diwidu-filter-loading,
.diwidu-organizer-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--light-bg, #f3f3f3);
    border-top: 2px solid var(--primary-color, #2271b1);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
   0% { transform: rotate(0deg); }
   100% { transform: rotate(360deg); }
}

/* ============ SPEZIALELEMENTE ============ */

/* Leere-Zustands-Styling */
.diwidu-filter-empty,
.diwidu-organizer-empty {
    padding: 1rem;
    text-align: center;
    color: var(--text-light, #666);
    font-style: italic;
    background: var(--light-bg, #f8f9fa);
    border-radius: 4px;
    margin: 0.5rem 0;
}

/* Tooltip-Styling */
.diwidu-filter-tooltip,
.diwidu-organizer-tooltip {
    position: relative;
    display: inline-block;
    margin-left: 5px;
    cursor: help;
}

.diwidu-filter-tooltip::after,
.diwidu-organizer-tooltip::after {
    content: "ⓘ";
    font-size: 0.8em;
    color: var(--primary-color, #2271b1);
}

.diwidu-filter-tooltip:hover::before,
.diwidu-organizer-tooltip:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-color, #333);
    color: var(--background-color, #fff);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8em;
    white-space: nowrap;
    z-index: 1000;
}

/* Spezifische aktive Filter-Styles */
.diwidu-active-filter.location,
.diwidu-active-filter.organizer {
    background: var(--primary-light, #e3f2fd);
    border: 1px solid var(--primary-border, #bbdefb);
    color: var(--primary-dark, #1976d2);
}

.diwidu-active-filter.city,
.diwidu-active-filter.organizer-city {
    background: #e8f5e9;
    border: 1px solid #c8e6c9;
    color: #2e7d32;
}

/* ============ RESPONSIVES DESIGN ============ */

@media (max-width: 768px) {
    /* Allgemeine Filter-Anpassungen */
    .diwidu-filter-content {
        padding: 1rem;
    }
    
    .diwidu-filter-group {
        margin-bottom: 1.25rem;
        padding-bottom: 1rem;
    }
    
    .diwidu-date-filters,
    .diwidu-category-filter,
    .diwidu-tag-filter {
        padding: 1rem;
    }
    
    .diwidu-filter-buttons {
        flex-direction: column;
        gap: 0.625rem;
        margin-top: 1.25rem;
    }
    
    .diwidu-filter-active {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .diwidu-active-filters-list {
        gap: 0.5rem;
        margin-bottom: 0.75rem;
    }
    
    /* Standortfilter-Anpassungen */
    .diwidu-state-filters {
        padding: 1rem;
    }
    
    .diwidu-city-filter,
    .diwidu-select-filter {
        margin-bottom: 0.75rem;
    }
    
    /* Veranstalterfilter-Anpassungen */
    .diwidu-organizer-filters {
        padding: 1rem;
    }
    
    .diwidu-organizer-select-filter,
    .diwidu-org-city-filter {
        margin-bottom: 0.75rem;
    }
}

@media (max-width: 480px) {
    /* Allgemeine Filter-Anpassungen */
    .diwidu-search-filter {
        flex-direction: column;
        align-items: stretch;
    }
    
    #diwidu-event-search {
        min-width: unset;
    }
    
    .diwidu-active-filters-list {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .diwidu-active-filter {
        width: 100%;
        justify-content: center;
    }
    
    .diwidu-clear-filter.button {
        width: 100%;
        text-align: center;
    }
    
    /* Standortfilter-Anpassungen */
    .diwidu-state-filter,
    .diwidu-city-filter,
    .diwidu-select-filter {
        flex-direction: column;
        align-items: stretch;
    }
    
    /* Veranstalterfilter-Anpassungen */
    .diwidu-organizer-select-filter,
    .diwidu-org-city-filter {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ============ DRUCKSTYLES ============ */
@media print {
    .diwidu-state-filters,
    .diwidu-organizer-filters {
        display: none;
    }
}