:root {
            --white: #FEFEFE;
            --grey-olive: #829093;
            --alabaster-grey: #DEE3E5;
            --carbon-black: #16181B;
            --jet-black: #0E3242;
            --mauve-shadow: #5E3749;
            --cotton-rose: #D0B2B4;
            --amaranth: #DD2B4C;
            --ocean-mist: #00B09E;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--carbon-black);
            background-color: var(--white);
            overflow-x: hidden;
        }


        h1,
        h2,
        h3,
        h4,
        .logo-font {
            font-family: 'Montserrat', sans-serif;
            text-transform: uppercase;
        }

        header {
            border-bottom: 2px solid var(--carbon-black);
            overflow-x: hidden;
        }

        .menu-open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .menu-open span:nth-child(2) {
            opacity: 0;
        }

        .menu-open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }


        .logo-box-slim {
            background: var(--carbon-black);
            color: var(--white);
            padding: 0.5rem 1rem;
            font-weight: 900;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .logo-box-slim span {
            display: inline-block;
        }


        /* Search Bar Mini */
        .search-mini form {
            border: 2px solid var(--carbon-black);
            display: flex;
            background: white;
            height: 40px;
        }

        .search-mini form input {
            padding: 0 1rem;
            font-size: 0.75rem;
            outline: none;
            width: 150px;
            font-weight: 700;
        }

        .search-mini form button {
            background: var(--carbon-black);
            color: var(--white);
            padding: 0 1rem;
            font-size: 0.7rem;
            font-weight: 900;
        }


        #mobile-menu2 {
            background: var(--white);
            height: 100vh;
            background-image: url('../images/accent.png');
            background-position: 90% 90%;
            background-repeat: no-repeat;
            background-size: 150px;

        }

        #mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            width: 100%;
            /* lub 100% dla pełnego ekranu */
            height: 100vh;
            background: var(--white);
            background-image: url('../images/accent.png');
            background-position: 90% 90%;
            background-repeat: no-repeat;
            background-size: 150px;
            transform: translateX(100%);
            /* start poza ekranem */
            transition: transform 0.3s ease;
            z-index: 40;
            margin-top: 2rem;
            /* nad wszystkim */
        }

        #mobile-menu.open {
            transform: translateX(0);
            height: 100vh;
            width: 100vw;
            z-index: 40;
            /* wjeżdża na ekran */
        }

        #mobile-menu .search-mini {
            width: fit-content
        }

        .menu-open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .menu-open span:nth-child(2) {
            opacity: 0;
        }

        .menu-open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }


        /* Awangardowe Tło Hero */
        .hero-section {
            background: var(--white);
            background: url('../images/hero.png') no-repeat center center;
            background-size: cover;
            position: relative;
            padding-top: 8rem;
            padding-bottom: 6rem;
            border-bottom: 2px solid var(--carbon-black);
        }

        .hero-bg-accent {
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background-color: var(--alabaster-grey);
            z-index: -1;
            clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
        }

        /* Brutalistyczne Karty */
        .institution-card {
            background: var(--white);
            border: 2px solid var(--carbon-black);
            padding: 2rem;
            transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
            position: relative;
        }

        .institution-card:hover {
            background: var(--alabaster-grey);
            color: var(--black);
            transform: translateY(-10px);
        }

        .institution-card::after {
            content: '';
            position: absolute;
            top: 10px;
            left: 10px;
            right: -10px;
            bottom: -10px;
            background: var(--white);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s ease;
            border: 2px solid var(--carbon-black);

        }

        .institution-card:hover::after {
            opacity: 1;
        }

        .card-category {
            font-size: 10px;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--ocean-mist);
            border-bottom: 1px solid var(--alabaster-grey);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
            display: block;
        }

        /* Custom Search */
        .search-container form {
            border: 4px solid var(--carbon-black);
            display: flex;
            background: white;
        }

        form .search-input {
            width: 100%;
            padding: 1.5rem;
            font-size: 1.25rem;
            outline: none;
            font-weight: 700;
        }

        form .search-btn {
            background: var(--carbon-black);
            color: var(--white);
            padding: 0 3rem;
            font-weight: 900;
            text-transform: uppercase;
            transition: background 0.3s;
        }

        form .search-btn:hover {
            background: var(--amaranth);
        }

        /* Sidebar Styl */
        .sidebar-item {
            border-left: 4px solid var(--alabaster-grey);
            padding-left: 1.5rem;
            margin-bottom: 2rem;
            transition: border-color 0.3s;
            background: var(--white);
        }

        .sidebar-item:hover {
            border-color: var(--ocean-mist);
        }

        /* Logo */
        .logo-box {
            background: var(--carbon-black);
            color: var(--white);
            padding: 1rem 2rem;
            font-weight: 900;
            font-size: 1.5rem;
            display: inline-block;
            transform: skewX(-10deg);
        }

        .logo-box span {
            display: inline-block;
            transform: skewX(10deg);
        }

        .tag-ocean {
            background: var(--ocean-mist);
            color: white;
            padding: 2px 8px;
            font-size: 10px;
        }

        .tag-amaranth {
            background: var(--amaranth);
            color: white;
            padding: 2px 8px;
            font-size: 10px;
        }

        /* Paginacja */
        .pagination-item {
            width: 45px;
            height: 45px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--carbon-black);
            font-weight: 900;
            font-size: 0.75rem;
            transition: all 0.2s;
            background: var(--white);
        }

        .pagination-item:hover {
            background: var(--carbon-black);
            color: var(--white);
        }

        .pagination-item.active {
            background: var(--amaranth);
            color: var(--white);
            border-color: var(--amaranth);
        }

        .ibok-hero-about {
            background-color: var(--white);
            padding: 1rem;
        }



        .single-item .meta-label {
            font-size: 10px;
            font-weight: 800;
            color: var(--grey-olive);
            letter-spacing: 1px;
            display: block;
            margin-bottom: 4px;
        }

        .single-item .meta-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--carbon-black);
            text-wrap: pretty;
            overflow-wrap: break-word;
        }

        /* Map Placeholder */
        .single-item .map-frame {
            background: var(--alabaster-grey);
            height: 300px;
            border: 2px solid var(--carbon-black);
            position: relative;
            overflow: hidden;
        }

        .single-item .map-dot {
            position: absolute;
            top: 40%;
            left: 55%;
            width: 20px;
            height: 20px;
            background: var(--amaranth);
            border: 4px solid white;
            border-radius: 50%;
            box-shadow: 0 0 0 10px rgba(221, 43, 76, 0.2);
        }

        /* Files List */
        .single-item .file-row {
            padding: 1rem;
            display: grid;
            grid-template-columns: 3fr 3fr 1fr 1fr;
            align-items: center;
            /* pion */
            justify-items: flex-start;
            /* poziom */
            transition: background 0.2s;
        }

        .single-item .file-row a {
            color: var(--carbon-black);
            text-decoration: none;
        }

        .sidebar-item .file-row a:hover,
        .single-item .file-row a:hover {
            text-decoration: underline;
            text-decoration-thickness: 2px;
            text-decoration-color: var(--ocean-mist);
        }

        .single-item .file-row span:last-child {
            font-weight: 900;
        }

        .single-item .file-row:hover {
            background: rgba(222, 227, 229, 0.2);
        }

        .single-item .single-image-filter {
            /* display: inline-block; */
            position: relative;
            line-height: 0;
            background: #ffffff;
        }

        .single-item .single-image-filter::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            mix-blend-mode: multiply;
            background: #008efa;
            opacity: 0.15;
        }

        .single-item .single-image-filter>img {
            -webkit-filter: contrast(128%) grayscale(100%) hue-rotate(0deg) invert(0%) opacity(100%) saturate(120%) sepia(0%);
            filter: contrast(128%) grayscale(100%) hue-rotate(0deg) invert(0%) opacity(100%) saturate(120%) sepia(0%);
            mix-blend-mode: none;
        }



        /* Technical Metadata */
        .single-file .tech-meta-box {
            border-left: 4px solid var(--carbon-black);
            padding-left: 1.5rem;
        }

        .single-file .meta-label {
            font-size: 9px;
            font-weight: 800;
            color: var(--grey-olive);
            letter-spacing: 1.5px;
            display: block;
            margin-bottom: 2px;
            text-transform: uppercase;
        }

        #tab-metadata .meta-label {
            text-transform: uppercase;
        }

        .single-file .meta-value {
            font-size: 13px;
            font-weight: 700;
            color: var(--carbon-black);
            font-family: monospace;
        }

        #tab-metadata .meta-value {
            text-transform: none;
        }

        /* File Icon Box */
        .single-file .file-icon-container {
            background: var(--white);
            border: 4px solid var(--carbon-black);
            aspect-ratio: 1/1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: 15px 15px 0px var(--alabaster-grey);
        }

        .single-file .file-ext-badge {
            position: absolute;
            top: 20px;
            right: -10px;
            background: var(--amaranth);
            color: white;
            padding: 5px 15px;
            font-family: 'Montserrat', sans-serif;
            font-weight: 900;
            font-size: 14px;
            transform: rotate(5deg);
        }

        /* Download Button Huge */
        .single-file .download-action-card {
            background: var(--carbon-black);
            color: var(--white);
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .single-file .download-action-card:hover {
            transform: scale(1.02);
        }

        .single-file .download-btn-main {
            background: var(--ocean-mist);
            color: white;
            padding: 1.5rem;
            text-align: center;
            font-family: 'Montserrat', sans-serif;
            font-weight: 900;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            display: block;
            transition: background 0.3s;
        }

        .single-file .download-btn-main:hover {
            background: #009688;
        }

        .single-file .checksum-box {
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            font-family: monospace;
            font-size: 10px;
            word-break: break-all;
            border: 1px dashed rgba(255, 255, 255, 0.2);
        }




        .map-wrapper.single-map {
            flex-grow: 1;
            position: relative;
            overflow: hidden;
            background: #f0f2f5;
        }

        .single-map .map-canvas {
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(var(--alabaster-grey) 1px, transparent 1px),
                linear-gradient(90deg, var(--alabaster-grey) 1px, transparent 1px);
            background-size: 50px 50px;
            position: relative;
        }

        /* UI Overlays */
        .single-map .map-ui-panel {
            position: absolute;
            background: white;
            border: 3px solid var(--carbon-black);
            box-shadow: 8px 8px 0px var(--alabaster-grey);
            z-index: 20;
        }

        .single-map .filter-panel {
            top: 2rem;
            left: 2rem;
            width: 300px;
            padding: 1.5rem;
        }

        .single-map .legend-panel {
            bottom: 2rem;
            left: 2rem;
            padding: 1rem;
        }

        .single-map .info-card {
            top: 2rem;
            right: 2rem;
            width: 320px;
            display: none;
            /* Pokazywane po kliknięciu w punkt */
        }

        /* Map Markers */
        .single-map .marker {
            position: absolute;
            width: 16px;
            height: 16px;
            background: var(--amaranth);
            border: 3px solid white;
            border-radius: 50%;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .single-map .marker:hover {
            transform: scale(1.5);
            box-shadow: 0 0 0 8px rgba(221, 43, 76, 0.2);
            z-index: 30;
        }

        .single-map .marker[data-type="museum"] {
            background: var(--amaranth);
        }

        .single-map .marker[data-type="library"] {
            background: var(--ocean-mist);
        }

        .single-map .marker[data-type="archive"] {
            background: var(--mauve-shadow);
        }

        /* Custom Zoom Controls */
        .single-map .zoom-controls {
            position: absolute;
            right: 2rem;
            bottom: 2rem;
            display: flex;
            flex-direction: column;
            gap: 2px;
            background: var(--carbon-black);
            padding: 2px;
            z-index: 20;
        }

        .single-map .zoom-btn {
            width: 40px;
            height: 40px;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            cursor: pointer;
        }

        .single-map.zoom-btn:hover {
            background: var(--alabaster-grey);
        }

        footer {
            background-image: url('../images/accent.png');
            background-position: 95% center;
            background-repeat: no-repeat;
            background-size: 200px;
            border-top: 2px solid var(--carbon-black);
        }

        footer.single-map-footer {
            flex-shrink: 0;
            border-top: 2px solid var(--carbon-black);
            background-image: none;
        }

        .single-map .active-marker-info {
            display: block !important;
        }


        .csv-widget {
            display: flex;
            flex-direction: row;
            /* kolumnowo dla wielu wierszy */
            gap: 2rem;
            /* odstęp między wierszami */
            font-family: 'Courier New', Courier, monospace;
            font-size: 0.7rem;
            text-transform: uppercase;
            align-items: center;
            font-weight: bold;
            justify-content: flex-start;
        }

        .csv-widget .csv-item {
            display: flex;
            align-items: center;
            gap: 8px;
            /* odstęp między ikoną a linkiem */
            color: #000;
            text-decoration: none;
            /* link bez podkreślenia */
        }

        .csv-widget .csv-item:hover {
            color: #007BFF;
            /* kolor przy najechaniu */
        }

        /* Wspólne ustawienia dla ikon */
        .csv-widget .csv-icon {
            display: inline-block;
            width: 24px;
            height: 24px;
            background-color: currentColor;
            -webkit-mask-repeat: no-repeat;
            mask-repeat: no-repeat;
            -webkit-mask-size: 100% 100%;
            mask-size: 100% 100%;
        }

        /* Przykładowe trzy różne ikony */
        .csv-widget .icon-csv {
            -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M5.75 15h3v-1.5h-2.5v-3h2.5V9h-3q-.425 0-.712.288T4.75 10v4q0 .425.288.713T5.75 15m3.9 0h3q.425 0 .713-.288T13.65 14v-1.5q0-.425-.288-.788t-.712-.362h-1.5v-.85h2.5V9h-3q-.425 0-.712.288T9.65 10v1.5q0 .425.288.763t.712.337h1.5v.9h-2.5zm6.6 0h1.5l1.75-6H18l-1 3.45L16 9h-1.5zM4 20q-.825 0-1.412-.587T2 18V6q0-.825.588-1.412T4 4h16q.825 0 1.413.588T22 6v12q0 .825-.587 1.413T20 20z'/%3E%3C/svg%3E");
        }

        .csv-widget .icon-pdf {
            -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M6 2h9l5 5v15a1 1 0 0 1-1 1H6a1 1 0 0 1-1-1V3a1 1 0 0 1 1-1zM15 3.5V8h4.5L15 3.5zM6 4v16h12V9h-5a1 1 0 0 1-1-1V4H6z'/%3E%3C/svg%3E");
        }

        .csv-widget .icon-excel {
            -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M3 3h18v18H3V3zm15 15V6H6v12h12zm-3-9-1.5 3L12 9l-1.5 3L9 9v6h1.5l1.5-3 1.5 3H15V9z'/%3E%3C/svg%3E");
        }

        .csv-widget .icon-api {
            -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M13.26 10.5h2v1h-2z'/%3E%3Cpath fill='%23000' d='M20 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2M8.4 15L8 13.77H6.06L5.62 15H4l2.2-6h1.62L10 15Zm8.36-3.5a1.47 1.47 0 0 1-1.5 1.5h-2v2h-1.5V9h3.5a1.47 1.47 0 0 1 1.5 1.5ZM20 15h-1.5V9H20Z'/%3E%3Cpath fill='%23000' d='M6.43 12.77h1.16l-.58-1.59z'/%3E%3C/svg%3E");
        }

        .tab-btn {
            text-transform: uppercase;
            font-family: 'Courier New', Courier, monospace;
        }

        .active-tab {
            border-color: red !important;
        }

        .sidebar-item button:disabled {
            border: 2px solid #999;
            cursor: not-allowed;
            opacity: 0.6;
            transition: all 0.2s ease;
        }


        /* ===============================
   ADVANCED FORM — BRUTAL STYLE
   =============================== */

        .advanced-form *,
        .advanced-form *::before,
        .advanced-form *::after {
            box-sizing: border-box;
        }

        .advanced-form {
            max-width: 1200px;
            margin: 3rem auto;
            padding: 2.5rem;
            background: var(--white);
            border: 4px solid var(--carbon-black);
            box-shadow: 12px 12px 0 var(--alabaster-grey);
            font-family: 'Open Sans', sans-serif;
            color: var(--carbon-black);
        }

        /* === SECTION GRID === */
        .advanced-form .field {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 1.5rem;
            margin-bottom: 2rem;
            align-items: flex-start;
        }

        @media (max-width: 900px) {
            .advanced-form .field {
                grid-template-columns: 1fr;
            }
        }

        /* === LABELS === */
        .advanced-form label,
        .advanced-form .label {
            font-family: 'Montserrat', sans-serif;
            font-size: 11px;
            font-weight: 900;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--grey-olive);
        }

        /* === INPUTS / SELECTS === */
        .advanced-form input[type="text"],
        .advanced-form select {
            width: 100%;
            padding: 0.9rem 1rem;
            font-size: 13px;
            font-weight: 700;
            border: 3px solid var(--carbon-black);
            background: var(--white);
            outline: none;
        }

        .advanced-form input[type="text"]:focus,
        .advanced-form select:focus {
            background: var(--alabaster-grey);
        }

        /* === ADVANCED SEARCH ROW === */
        .advanced-form .search-entry {
            display: grid;
            grid-template-columns: 90px 1fr 160px 1fr auto;
            gap: 0.75rem;
            padding: 1rem;
            border: 3px solid var(--carbon-black);
            background: var(--white);
            box-shadow: 6px 6px 0 var(--alabaster-grey);
        }

        @media (max-width: 1000px) {
            .advanced-form .search-entry {
                grid-template-columns: 1fr;
            }
        }

        /* === MINI LABELS === */
        .advanced-form .visible-label {
            font-size: 9px;
            font-weight: 900;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--grey-olive);
            margin-bottom: 4px;
            display: block;
        }

        /* === ADD / REMOVE FIELD BUTTONS === */
        .advanced-form .add_search,
        .advanced-form .remove_search {
            font-family: 'Montserrat', sans-serif;
            font-size: 10px;
            font-weight: 900;
            letter-spacing: 1px;
            text-transform: uppercase;
            padding: 0.6rem 1rem;
            border: 3px solid var(--carbon-black);
            background: var(--white);
            cursor: pointer;
        }

        .advanced-form .add_search:hover {
            background: var(--ocean-mist);
            color: white;
        }

        .search-entry {
            position: relative;
        }

        .advanced-form .remove_search {
            width: 50px;
            height: 50px;
            position: absolute;
            top: -1.5rem;
            right: -1.5rem;
        }

        .advanced-form .remove_search:hover {
            background: var(--amaranth);
            color: white;
        }

        /* === SUBMIT BUTTON === */
        .advanced-form #submit_search_advanced,
        #fetch-wikidata {
            margin: 3rem auto 0;
            display: block;
            padding: 1.2rem 3rem;
            font-family: 'Montserrat', sans-serif;
            font-weight: 900;
            font-size: 14px;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: var(--carbon-black);
            color: var(--white);
            border: 4px solid var(--carbon-black);
            box-shadow: 10px 10px 0 var(--alabaster-grey);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        #fetch-wikidata {
            display: block;
            opacity: 1;
            transition: opacity 0.8s ease;
        }

        #fetch-wikidata.hidden {
            opacity: 0;
            display: none;
            /* element nie zajmuje miejsca */
        }

        .wikidata-summary {
            opacity: 0;
            transition: opacity 0.8s ease;
            display: none;
            /* domyślnie ukryte i nie zajmuje miejsca */
            font-size: 1rem;
            margin-bottom: 2rem;
            padding-bottom: 2rem;
        }

        .wikidata-summary p {
            margin-bottom: 0.5rem;
        }

        .wikidata-summary.shown {
            display: block;
            /* pojawia się w układzie */
            opacity: 1;
        }

        .advanced-form #submit_search_advanced:hover {
            background: var(--amaranth);
            border-color: var(--amaranth);
        }

        /* === SEPARATORS === */
        .advanced-form #search-selects,
        .advanced-form #search-by-range {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 4px solid var(--carbon-black);
        }

        /* === ACCESSIBILITY === */
        .advanced-form .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
        }

        .export-form {
            border-top: 4px solid var(--carbon-black);
            padding-top: 2rem;
        }

        .export-info {}

        .form-help {
            font-size: 0.8rem;
            padding: 1rem;
        }

        .csv-item-disabled {
            cursor: not-allowed;
        }