:root {
    --search-color-background: #f8f9fa;
    --search-color-border: #e9ecef;
    --search-color-text: #495057;
    --search-color-text-light: #6c757d;
    --search-color-primary: #007bff;
    --search-color-primary-dark: #0056b3;
    --search-color-danger: #dc3545;
    --search-color-danger-dark: #a71d2a;
    --search-color-white: #fff;
    --search-color-gray-100: #f8f9fa;
    --search-color-gray-200: #e9ecef;
    --search-color-gray-300: #dee2e6;
    --search-color-gray-400: #ced4da;
    --search-color-gray-500: #adb5bd;
    --search-color-gray-600: #6c757d;
    --search-color-gray-700: #495057;
    --search-color-gray-800: #343a40;
    --search-color-gray-900: #212529;
    --search-color-filter-highlight: #d1e1f0;
}

.search-filter-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background-color: var(--search-color-background);
    border: 1px solid var(--search-color-border);
    border-radius: 8px;
    padding: 1rem;
}

.search-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.search-filter-title {
    margin: 0;
    font-size: 1.1em;
    font-weight: bold;
    color: var(--search-color-text);
}

.search-filter-actions {
    display: flex;
    gap: 0.5rem;
}

.search-filter-btn {
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid var(--search-color-gray-400);
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
    background-color: var(--search-color-gray-100);
    color: var(--search-color-text);
}

.search-filter-btn:hover {
    background-color: var(--search-color-gray-300);
    border-color: var(--search-color-gray-300);
    color: var(--search-color-text);
}

.search-filter-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: flex-start;
}

.search-filter-item {
    display: flex;
    align-items: center;
    background-color: var(--search-color-white);
    border: 1px solid var(--search-color-gray-300);
    border-radius: 4px;
    padding: 0.5rem;
    flex: 0 1 auto;
    min-width: min-content;
    max-width: 100%;
}

.search-filter-item.item-alert {
    background-color: var(--search-color-filter-highlight);
}

.search-filter-item-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    flex-grow: 1;
}

.search-filter-item label {
    white-space: nowrap;
    font-weight: bold;
    color: var(--search-color-text);
    margin-right: 0.5rem;
}

.search-filter-item select:not([type="hidden"]),
.search-filter-item input:not([type="hidden"]) {
    border: 1px solid var(--search-color-gray-400);
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
}

.btn-remove-filter {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--search-color-danger);
    cursor: pointer;
    font-size: 1.2em;
    padding: 0.25rem;
    margin-left: 0.25rem;
}

.btn-remove-filter:hover {
    color: var(--search-color-danger-dark);
}

.search-empty-state {
    text-align: center;
    padding: 1rem;
    background-color: var(--search-color-gray-100);
    border-radius: 4px;
    color: var(--search-color-text-light);
}

.search-multiple-list {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.search-multiple-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: flex-start;
}

.search-multiple-item {
    display: flex;
    align-items: center;
    background-color: var(--search-color-white);
    border: 1px solid var(--search-color-gray-300);
    border-radius: 4px;
    padding: 0.5rem;
    flex: 0 1 auto;
    min-width: min-content;
    max-width: calc(50% - 0.25rem);
    flex-grow: 1;
}

.search-multiple-item .input-area {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    flex-grow: 1;
}

.search-multiple-add {
    align-self: center;
    border: none;
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    font-size: 0.9em;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
}

.search-multiple-add i {
    margin-right: 0.25rem;
}

.btn-remove-item {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--search-color-danger);
    cursor: pointer;
    font-size: 1.2em;
    padding: 0.25rem;
    margin-left: 0.25rem;
}

.btn-remove-item:hover {
    color: var(--search-color-danger-dark);
}

.add-new-filter {
    display: inline-block;
}

.add-new-filter-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.add-new-filter label {
    font-weight: bold;
    color: var(--search-color-text);
    margin-bottom: 0;
}

.add-new-filter select {
    min-width: 12.5rem;
    border: 1px solid var(--search-color-gray-400);
    border-radius: 4px;
    padding: 0.375rem 0.75rem;
    background-color: var(--search-color-white);
    font-size: 0.9em;
}

.add-new-filter select:focus {
    outline: none;
    border-color: var(--search-color-primary);
    box-shadow: 0 0 0 3px rgba(0,123,255,.25);
}

.conditions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.conditions select {
    min-width: 100px;
    max-width: 150px;
    width: 100%;
}

.lookup-wrapper {
    position: relative;
    width: 100%;
}

.input-wrapper {
    position: relative;
    width: 100%;
}

.loading-icon {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.loading-spinner {
    border: 2px solid var(--search-color-gray-200);
    border-top: 2px solid var(--search-color-primary);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

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

.suggestions-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    display: block;
    padding: 0.3125rem 0;
    margin: 0.125rem 0 0;
    font-size: 14px;
    text-align: left;
    list-style: none;
    background-color: var(--search-color-white);
    background-clip: padding-box;
    border: 1px solid var(--search-color-gray-300);
    border-radius: 4px;
    box-shadow: 0 6px 12px rgba(0,0,0,.175);
    max-height: 12.5rem;
    overflow-y: auto;
}

.suggestions-list li {
    padding: 0.2rem 1.25rem;
    clear: both;
    font-weight: 400;
    line-height: 1.5;
    color: var(--search-color-text);
    white-space: nowrap;
    cursor: pointer;
}

.suggestions-list li:hover,
.suggestions-list .is-active {
    color: var(--search-color-text);
    text-decoration: none;
    background-color: var(--search-color-gray-200);
}

@media (max-width: 768px) {
    .search-filter-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-filter-actions {
        width: 100%;
        justify-content: space-between;
    }

    .search-filter-item,
    .search-multiple-item {
        width: 100%;
        max-width: 100%;
    }

    .search-filter-item-content,
    .search-multiple-item .input-area,
    .conditions {
        flex-direction: column;
        align-items: stretch;
    }

    .search-filter-item label,
    .search-multiple-item label {
        margin-right: 0;
        margin-bottom: 0.25rem;
        white-space: normal;
    }

    .search-filter-item select:not([type="hidden"]),
    .search-filter-item input:not([type="hidden"]),
    .search-multiple-item select:not([type="hidden"]),
    .search-multiple-item input:not([type="hidden"]),
    .conditions select {
        max-width: 100%;
        width: 100%;
    }

    .search-filter-item select[multiple],
    .search-multiple-item select[multiple] {
        height: auto;
        min-height: 100px;
    }

    .add-new-filter-content {
        flex-direction: column;
        align-items: stretch;
    }

    .add-new-filter select {
        width: 100%;
    }

    .search-multiple-list {
        width: 100%;
    }

    .search-multiple-items {
        flex-direction: column;
    }

    .search-multiple-add {
        align-self: stretch;
        width: 100%;
    }

    .btn-remove-filter,
    .btn-remove-item {
        padding: 0.5rem;
        margin-left: auto;
    }

    .lookup-wrapper {
        width: 100%;
    }

    .suggestions-list {
        max-width: 100%;
        width: 100%;
    }

    .loading-icon {
        right: 0.5rem;
    }
}

.hidden {
    display: none !important;
}

.search-filter-item .select2-container {
    width: auto !important;
    min-width: 150px;
}

.search-filter-item .select2-selection {
    width: 100%;
}

.select2-dropdown {
    max-width: none !important;
}

.select2-results__options {
    max-height: 150px;
    overflow-y: auto;
    white-space: normal;
    word-break: break-word;
}

.select2-results__option {
    white-space: normal;
    word-wrap: break-word;
}