html,
        body {
            height: 100%;
            overflow: hidden
        }

        body {
            flex-direction: column;
            min-height: 100vh
        }

        /* TOP BAR */
        #top-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 7px 16px;
            border-bottom: 1px solid var(--border-color);
            background: var(--clr-surface);
            flex-shrink: 0
        }

        #top-bar h1 {
            font-size: 1rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap
        }

        .spacer {
            flex: 1
        }

        .btn-sm {
            background: var(--clr-surface);
            border: 1px solid var(--border-color);
            color: var(--clr-text);
            padding: 5px 12px;
            border-radius: 999px;
            cursor: pointer;
            font-size: .76rem;
            font-family: inherit;
            transition: var(--transition-fast);
            white-space: nowrap
        }

        .btn-sm:hover {
            border-color: var(--clr-accent);
            color: var(--clr-accent-text)
        }

        .btn-sm.accent {
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
            color: var(--clr-on-accent);
            border: none;
            font-weight: 700
        }

        .btn-sm.accent:hover {
            box-shadow: 0 4px 15px rgba(52, 211, 153, .3)
        }

        .btn-sm.danger {
            color: var(--danger-text);
            border-color: rgba(248, 113, 113, .3)
        }

        .btn-sm.danger:hover {
            background: rgba(248, 113, 113, .1)
        }

        .kbd {
            display: inline-block;
            background: var(--clr-accent);
            color: var(--clr-on-accent);
            border-radius: 5px;
            padding: 2px 8px;
            font-size: .75rem;
            font-family: monospace;
            font-weight: 700;
            margin: 1px;
            box-shadow: 0 2px 0 rgba(0, 0, 0, .4)
        }

        /* ── CLIPBOARD BAR ── */
        #clip-bar {
            background: linear-gradient(135deg, rgba(52, 211, 153, .12), rgba(99, 102, 241, .08));
            border-bottom: 3px solid var(--clr-accent);
            padding: 10px 18px;
            flex-shrink: 0;
            box-shadow: 0 3px 12px rgba(52, 211, 153, .15)
        }

        #clip-top {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap
        }

        #clip-lbl {
            font-size: .88rem;
            color: var(--clr-accent-text);
            font-weight: 800;
            white-space: nowrap;
            text-transform: uppercase;
            letter-spacing: .5px
        }

        #clip-cur {
            background: var(--clr-bg);
            border: 2px solid var(--clr-accent);
            border-radius: 10px;
            padding: 6px 14px;
            font-size: .92rem;
            color: var(--warning-text);
            min-width: 200px;
            max-width: 380px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            font-family: monospace;
            font-weight: 700;
            box-shadow: 0 0 10px rgba(52, 211, 153, .2)
        }

        #clip-cur.empty {
            color: var(--clr-muted);
            border-color: var(--border-color);
            box-shadow: none;
            font-weight: 400
        }

        #clip-mode-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 700;
            display: none
        }

        #clip-mode-badge.copy {
            display: inline-flex;
            background: rgba(52, 211, 153, .15);
            border: 1px solid var(--clr-accent);
            color: var(--clr-accent-text)
        }

        #clip-mode-badge.cut {
            display: inline-flex;
            background: rgba(248, 113, 113, .15);
            border: 1px solid var(--danger);
            color: var(--danger-text)
        }

        #clip-shortcuts-row {
            display: flex;
            gap: 5px;
            flex-wrap: wrap;
            align-items: center
        }

        #clip-shortcuts-row .kbd {
            background: rgba(52, 211, 153, .18);
            color: var(--clr-accent-text);
            border: 1px solid var(--clr-accent);
            font-size: .72rem
        }

        #clip-count {
            font-size: .82rem;
            color: var(--clr-muted);
            white-space: nowrap
        }

        #clip-count strong {
            color: var(--warning-text)
        }

        /* TASK BAR */
        #task-bar {
            background: var(--clr-surface);
            border-bottom: 1px solid var(--border-color);
            padding: 9px 16px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap
        }

        #task-lbl {
            font-size: .72rem;
            color: var(--clr-accent-text);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: .5px;
            margin-bottom: 3px
        }

        #task-txt {
            font-size: 1.1rem;
            color: var(--clr-accent2-text);
            line-height: 1.4;
            font-weight: 700
        }

        #fb-wrap {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 4px;
            flex-shrink: 0
        }

        #fb {
            font-size: .84rem;
            padding: 5px 14px;
            border-radius: 999px;
            white-space: nowrap;
            font-weight: 600
        }

        #score-w {
            font-size: .8rem;
            color: var(--success-text);
            white-space: nowrap
        }

        /* ERRUNGENSCHAFTEN (Dialog) */
        .erfolge-modal .modal-content {
            max-width: 560px;
        }

        .erfolge-modal .modal-close {
            top: 14px;
            right: 14px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .erfolge-modal .modal-close:focus-visible {
            outline: 3px solid var(--clr-accent-text);
            outline-offset: 2px;
        }

        #streak-d {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--warning-text);
            margin-top: 12px
        }

        .erfolge-info {
            font-size: .85rem;
            margin: 4px 0 14px
        }

        #badges-w {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 8px
        }

        .app-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            background: var(--clr-surface);
            border-radius: 10px;
            padding: 10px 8px;
            font-size: .82rem;
            color: var(--clr-muted);
            border: 1px dashed var(--border-color);
            text-align: center
        }

        .app-badge .badge-icon {
            font-size: 1.6rem
        }

        .app-badge .badge-status {
            font-size: .72rem
        }

        .app-badge.on {
            border: 2px solid var(--warning);
            color: var(--warning-text);
            background: rgba(251, 191, 36, .08);
            font-weight: 700
        }

        #erfolge-zahl {
            background: var(--clr-bg);
            border-radius: 999px;
            padding: 0 6px;
            margin-left: 2px;
            font-weight: 700
        }

        #prog-bar {
            height: 4px;
            background: var(--clr-surface);
            flex-shrink: 0
        }

        #prog-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2));
            transition: width .5s
        }

        /* MAIN */
        #app-main {
            display: flex;
            flex: 1;
            overflow: hidden
        }

        /* SIDEBAR */
        #sidebar {
            width: 210px;
            background: var(--clr-surface);
            border-right: 1px solid var(--border-color);
            overflow-y: auto;
            flex-shrink: 0
        }

        #sidebar h3 {
            font-size: .68rem;
            color: var(--clr-muted);
            padding: 8px 10px 3px;
            text-transform: uppercase;
            letter-spacing: 1px
        }

        .s-cat {
            font-size: .6rem;
            color: var(--clr-muted);
            padding: 8px 10px 2px;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-top: 1px solid var(--border-color)
        }

        .s-item {
            padding: 7px 10px;
            font-size: .8rem;
            cursor: pointer;
            border-left: 3px solid transparent;
            transition: var(--transition-fast);
            color: var(--clr-muted);
            display: flex;
            align-items: center;
            gap: 5px;
            user-select: none
        }

        .s-item:hover {
            background: rgba(255, 255, 255, .04);
            color: var(--clr-text)
        }

        .s-item.active {
            border-left-color: var(--clr-accent);
            background: rgba(52, 211, 153, .06);
            color: var(--clr-text)
        }

        .s-item.done {
            color: var(--success-text)
        }

        .s-item .ck {
            font-size: .85rem;
            min-width: 14px
        }

        /* WORK AREA */
        #work-area {
            flex: 1;
            min-width: 0;
            min-height: 0;
            padding: 16px;
            display: flex;
            flex-direction: column;
            overflow: hidden
        }

        /* Mitte: Dateibrowser über die ganze Höhe */
        #work-area>#explorer-wrap {
            flex: 1;
            min-height: 0;
            display: flex;
            flex-direction: column
        }

        #work-area>#explorer-wrap>.explorer {
            flex: 1;
            min-height: 0
        }

        @media (max-width: 1000px) {
            #work-area {
                overflow: visible
            }

            #work-area>#explorer-wrap {
                min-height: 380px
            }
        }

        /* ── Seitenspalten ein-/ausklappen (Aufgaben links, Anleitung rechts) ── */
        .klapp-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            width: 100%;
            background: var(--clr-surface);
            border: none;
            border-bottom: 1px solid var(--border-color);
            color: var(--clr-muted);
            font: inherit;
            font-size: .7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 9px 10px;
            cursor: pointer;
            text-align: left;
            flex-shrink: 0
        }

        .klapp-btn:hover {
            color: var(--clr-text);
            background: var(--clr-bg)
        }

        .klapp-btn:focus-visible {
            outline: 3px solid var(--clr-accent-text);
            outline-offset: -3px
        }

        .klapp-pfeil {
            margin-inline-start: auto;
            font-size: .8rem
        }

        #sidebar-inhalt[hidden],
        #rechts-inhalt[hidden] {
            display: none
        }

        .klapp-spalte.zu {
            width: 44px !important;
            min-width: 44px;
            overflow: hidden
        }

        .klapp-spalte.zu .klapp-btn {
            writing-mode: vertical-rl;
            height: 100%;
            padding: 12px 0;
            justify-content: flex-start;
            border-bottom: none
        }

        .klapp-spalte.zu .klapp-pfeil {
            margin-inline-start: 0;
            order: -1
        }

        /* Rechte Spalte: Anleitung */
        #rechts {
            width: 380px;
            flex-shrink: 0;
            border-left: 1px solid var(--border-color);
            background: var(--clr-surface);
            display: flex;
            flex-direction: column;
            min-height: 0
        }

        #rechts-inhalt {
            flex: 1;
            min-height: 0;
            overflow-y: auto;
            padding: 14px;
            display: flex;
            flex-direction: column;
            gap: 14px
        }

        .rechts-leer {
            color: var(--clr-muted);
            font-size: .9rem
        }

        #sidebar {
            display: flex;
            flex-direction: column
        }

        #sidebar-inhalt {
            flex: 1;
            min-height: 0;
            overflow-y: auto
        }

        /* Schmale Fenster: Spalten untereinander, eingeklappt nur als Leiste */
        @media (max-width: 1000px) {
            html,
            body {
                overflow: auto !important;
                height: auto !important
            }

            #app-main {
                flex-direction: column;
                overflow: visible !important
            }

            #sidebar,
            #rechts {
                width: auto !important;
                border-left: none;
                border-right: none;
                border-bottom: 1px solid var(--border-color)
            }

            #sidebar-inhalt {
                max-height: 260px
            }

            .klapp-spalte.zu {
                width: auto !important;
                min-width: 0
            }

            .klapp-spalte.zu .klapp-btn {
                writing-mode: horizontal-tb;
                height: auto;
                padding: 9px 10px;
                border-bottom: 1px solid var(--border-color)
            }

            .klapp-spalte.zu .klapp-pfeil {
                margin-inline-start: auto;
                order: 0
            }

            #rechts {
                order: 1
            }

            #rechts-inhalt {
                overflow: visible
            }
        }

        /* ── TASK GUIDE (Aufgaben-Leitfaden) ── */
        .task-guide {
            background: linear-gradient(135deg, rgba(52, 211, 153, .1), rgba(99, 102, 241, .08));
            border: 2px solid var(--clr-accent);
            border-radius: var(--radius);
            padding: 16px 18px;
            margin-bottom: 2px
        }

        .task-guide-title {
            font-size: 1rem;
            font-weight: 800;
            color: var(--clr-accent-text);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px
        }

        .guide-step {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 8px;
            padding: 9px 12px;
            background: rgba(0, 0, 0, .2);
            border-radius: 8px
        }

        .guide-step-num {
            background: var(--clr-accent);
            color: var(--clr-on-accent);
            border-radius: 50%;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .78rem;
            font-weight: 800;
            flex-shrink: 0
        }

        .guide-step-txt {
            font-size: .9rem;
            color: var(--clr-text);
            line-height: 1.55;
            padding-top: 2px
        }

        .guide-goal {
            background: rgba(251, 191, 36, .1);
            border: 1px solid var(--warning);
            border-radius: 8px;
            padding: 9px 14px;
            font-size: .9rem;
            color: var(--warning-text);
            margin-top: 10px;
            font-weight: 600
        }

        /* ── FILE EXPLORER ── */
        .explorer {
            background: var(--clr-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column
        }

        .explorer-toolbar {
            background: var(--clr-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 7px 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex-shrink: 0
        }

        .explorer-toolbar .path {
            font-size: .77rem;
            font-family: monospace;
            color: var(--clr-muted);
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap
        }

        .explorer-toolbar .path span {
            color: var(--clr-accent-text)
        }

        .explorer-body {
            display: flex;
            flex: 1;
            overflow: hidden;
            min-height: 240px
        }

        .tree-pane {
            width: 190px;
            border-right: 1px solid var(--border-color);
            overflow-y: auto;
            padding: 6px 0;
            background: rgba(0, 0, 0, .15);
            flex-shrink: 0
        }

        .files-pane {
            flex: 1;
            overflow-y: auto;
            padding: 10px;
            display: flex;
            flex-wrap: wrap;
            align-content: flex-start;
            gap: 8px
        }

        /* Tree */
        .tree-item {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 5px 8px;
            cursor: pointer;
            font-size: .8rem;
            color: var(--clr-muted);
            transition: var(--transition-fast);
            user-select: none;
            border-left: 2px solid transparent;
            white-space: nowrap
        }

        .tree-item:hover {
            background: rgba(255, 255, 255, .05);
            color: var(--clr-text)
        }

        .tree-item.active {
            border-left-color: var(--clr-accent);
            background: rgba(52, 211, 153, .08);
            color: var(--clr-text)
        }

        .tree-item .ti-indent {
            display: inline-block;
            width: 14px;
            flex-shrink: 0
        }

        .tree-arrow {
            font-size: .65rem;
            transition: transform .2s;
            flex-shrink: 0
        }

        .tree-arrow.open {
            transform: rotate(90deg)
        }

        /* File/Folder icons */
        .f-icon-wrap {
            width: 86px;
            height: 86px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            border-radius: 10px;
            border: 2px solid transparent;
            transition: var(--transition-fast);
            user-select: none;
            padding: 7px;
            text-align: center;
            background: var(--box-bg)
        }

        .f-icon-wrap:hover {
            background: rgba(255, 255, 255, .07);
            border-color: var(--clr-accent2)
        }

        .f-icon-wrap.selected {
            background: rgba(52, 211, 153, .12);
            border-color: var(--clr-accent)
        }

        .f-icon-wrap.cut-mode {
            opacity: .3
        }

        .f-icon-wrap.drag-over-item {
            border-color: var(--warning);
            background: rgba(251, 191, 36, .1)
        }

        .f-icon-wrap .icon {
            font-size: 1.9rem;
            line-height: 1
        }

        .f-icon-wrap .name {
            font-size: .65rem;
            color: var(--clr-muted);
            word-break: break-all;
            line-height: 1.25;
            max-width: 74px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap
        }

        .f-icon-wrap.selected .name {
            color: var(--clr-text)
        }

        .f-icon-wrap[draggable="true"] {
            cursor: grab
        }

        .f-icon-wrap[draggable="true"]:active {
            cursor: grabbing
        }

        /* Drop zones */
        .drop-zone-folder {
            border: 2px dashed var(--border-color);
            border-radius: 8px;
            padding: 12px;
            text-align: center;
            font-size: .82rem;
            color: var(--clr-muted);
            transition: var(--transition-fast);
            min-height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px
        }

        .drop-zone-folder.drag-over {
            border-color: var(--clr-accent);
            background: rgba(52, 211, 153, .08);
            color: var(--clr-accent-text)
        }

        .drop-zone-folder.success-zone {
            border-color: var(--success);
            background: rgba(52, 211, 153, .06)
        }

        /* Status bar */
        .explorer-status {
            background: var(--clr-bg);
            border-top: 1px solid var(--border-color);
            padding: 4px 12px;
            font-size: .72rem;
            color: var(--clr-muted);
            display: flex;
            gap: 14px;
            flex-wrap: wrap
        }

        /* ── TASK PANEL (Aufgaben-Schritte) ── */
        .task-panel {
            background: var(--clr-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 14px;
            box-shadow: var(--shadow-sm)
        }

        .task-panel h3 {
            font-size: .95rem;
            color: var(--clr-accent-text);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 800
        }

        .task-steps {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin: 8px 0
        }

        .task-step {
            display: flex;
            align-items: flex-start;
            gap: 9px;
            font-size: .86rem;
            color: var(--clr-muted);
            padding: 8px 10px;
            border-radius: 8px;
            background: var(--box-bg);
            border: 1px solid var(--border-color);
            transition: var(--transition-fast)
        }

        .task-step.done {
            color: var(--success-text);
            border-color: rgba(52, 211, 153, .3);
            background: rgba(52, 211, 153, .05)
        }

        .task-step.active {
            color: var(--clr-text);
            border-color: var(--clr-accent2);
            background: rgba(56, 189, 248, .06)
        }

        .task-step .step-num {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .7rem;
            font-weight: 700;
            flex-shrink: 0
        }

        .task-step.done .step-num {
            background: var(--success);
            color: var(--clr-on-accent)
        }

        .task-step.active .step-num {
            background: var(--clr-accent2);
            color: var(--clr-on-accent)
        }

        /* Shortcut reference */
        .sc-ref {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin: 8px 0
        }

        .sc-tag {
            background: var(--box-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 5px 10px;
            font-size: .78rem;
            color: var(--clr-muted);
            display: flex;
            align-items: center;
            gap: 5px
        }

        /* Result */
        .rok {
            color: var(--success-text);
            font-size: .9rem;
            padding: 10px 14px;
            background: rgba(52, 211, 153, .08);
            border: 1px solid var(--success);
            border-radius: 8px;
            margin-top: 10px;
            font-weight: 600
        }

        .rno {
            color: var(--danger-text);
            font-size: .9rem;
            padding: 10px 14px;
            background: rgba(248, 113, 113, .08);
            border: 1px solid var(--danger);
            border-radius: 8px;
            margin-top: 10px
        }

        .rpt {
            color: var(--warning-text);
            font-size: .9rem;
            padding: 10px 14px;
            background: rgba(251, 191, 36, .08);
            border: 1px solid var(--warning);
            border-radius: 8px;
            margin-top: 10px
        }

        /* Context menu */
        .ctx-menu {
            position: fixed;
            background: var(--clr-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 4px 0;
            min-width: 185px;
            box-shadow: var(--shadow);
            z-index: 5000;
            animation: fadeIn .12s ease
        }

        .ctx-item {
            padding: 8px 14px;
            font-size: .82rem;
            cursor: pointer;
            color: var(--clr-text);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: background .15s;
            white-space: nowrap
        }

        .ctx-item:hover {
            background: rgba(52, 211, 153, .1);
            color: var(--clr-accent-text)
        }

        .ctx-item.danger:hover {
            background: rgba(248, 113, 113, .1);
            color: var(--danger-text)
        }

        .ctx-sep {
            height: 1px;
            background: var(--border-color);
            margin: 3px 0
        }

        /* Dialog „Neuer Ordner“ (Modal) */
        .nf-dialog .modal-content {
            max-width: 440px;
        }

        .nf-dialog label {
            display: block;
            font-size: .85rem;
            color: var(--clr-muted);
            margin-top: 4px;
        }

        .nf-dialog input {
            width: 100%;
            background: var(--clr-bg);
            border: 2px solid var(--border-color);
            border-radius: 8px;
            padding: 7px 12px;
            color: var(--clr-text);
            font-size: .9rem;
            outline: none;
            font-family: inherit;
            margin: 7px 0
        }

        .nf-dialog input:focus {
            border-color: var(--clr-accent-text)
        }

        /* Rename input inline */
        .rename-input {
            background: var(--clr-bg);
            border: 2px solid var(--clr-accent);
            border-radius: 5px;
            padding: 2px 5px;
            color: var(--clr-text);
            font-size: .65rem;
            width: 74px;
            outline: none;
            font-family: inherit;
            text-align: center
        }

        /* Drag ghost */
        .drag-ghost {
            position: fixed;
            pointer-events: none;
            z-index: 9999;
            opacity: .85;
            background: var(--clr-surface);
            border: 1px solid var(--clr-accent);
            border-radius: 8px;
            padding: 5px 10px;
            font-size: .78rem;
            color: var(--clr-text);
            display: flex;
            align-items: center;
            gap: 6px
        }

        /* Notif */
        #notif {
            position: fixed;
            bottom: 18px;
            right: 18px;
            background: var(--success);
            color: var(--clr-on-accent);
            padding: 10px 18px;
            border-radius: var(--radius);
            font-size: .86rem;
            z-index: 9999;
            opacity: 0;
            transform: translateY(20px);
            transition: all .3s;
            pointer-events: none;
            max-width: 300px;
            font-weight: 700;
            box-shadow: var(--shadow)
        }

        #notif.show {
            opacity: 1;
            transform: translateY(0)
        }

        #notif.err {
            background: var(--danger)
        }

        #notif.warn {
            background: var(--warning);
            color: var(--clr-on-accent)
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px)
            }

            to {
                opacity: 1;
                transform: translateY(0)
            }
        }

        ::-webkit-scrollbar {
            width: 5px;
            height: 5px
        }

        ::-webkit-scrollbar-track {
            background: var(--clr-bg)
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 3px
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--clr-accent)
        }

        /* ── Pfad zum Anklicken ── */
        .path-teil {
            background: none;
            border: none;
            padding: 2px 3px;
            font: inherit;
            color: var(--clr-accent-text);
            text-decoration: underline;
            text-underline-offset: 0.2em;
            cursor: pointer;
            border-radius: 4px;
        }

        .path-teil:hover {
            background: var(--box-bg);
        }

        .path-teil:focus-visible {
            outline: 2px solid var(--clr-accent-text);
            outline-offset: 1px;
        }

        .path-aktuell {
            color: var(--text-color);
            font-weight: 700;
            padding: 2px 3px;
        }

        .path-trenner {
            color: var(--clr-muted);
        }

        /* ── Datei-Vorschau (Modal) ── */
        .datei-modal .modal-content {
            max-width: 760px;
        }

        .datei-modal .modal-close {
            top: 14px;
            right: 14px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .datei-modal .modal-close:focus-visible {
            outline: 3px solid var(--clr-accent-text);
            outline-offset: 2px;
        }

        .datei-modal h2 {
            padding-right: 48px;
            overflow-wrap: anywhere;
        }

        .datei-info {
            font-size: .82rem;
            color: var(--clr-muted);
            margin: 0 0 14px;
        }

        /* „Papier“: in beiden Themes weiß mit dunkler Schrift */
        .datei-papier {
            background: #fff;
            color: #1f2937;
            border: 1px solid #d1d5db;
            border-radius: 6px;
            padding: 28px 32px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .15);
            line-height: 1.6;
        }

        .datei-papier h3 {
            color: #1e3a8a;
            margin: 0 0 12px;
        }

        .datei-papier p,
        .datei-papier li {
            color: #1f2937;
        }

        .datei-papier.txt {
            font-family: monospace;
            white-space: pre-wrap;
            padding: 18px 20px;
            border-radius: 4px;
        }

        .datei-tabelle {
            border-collapse: collapse;
            width: 100%;
            font-size: .88rem;
        }

        .datei-tabelle th,
        .datei-tabelle td {
            border: 1px solid #9ca3af;
            padding: 6px 8px;
            text-align: left;
            color: #1f2937;
        }

        .datei-tabelle th {
            background: #dcfce7;
        }

        .datei-folie {
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, #1e3a8a, #6d28d9);
            color: #fff;
            border-radius: 8px;
            padding: 28px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .datei-folie h3 {
            font-size: 1.7rem;
            margin: 0 0 12px;
            color: #fff;
        }

        .datei-folie li {
            color: #fff;
        }

        .datei-bild svg {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }

        .datei-code {
            background: #1e1e2e;
            color: #e5e7eb;
            border-radius: 8px;
            padding: 16px 18px;
            font-family: monospace;
            font-size: .88rem;
            white-space: pre;
            overflow-x: auto;
            margin: 0;
        }

        .datei-player {
            background: #111827;
            color: #f9fafb;
            border-radius: 12px;
            padding: 22px;
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .datei-player .cover {
            font-size: 3rem;
            width: 84px;
            height: 84px;
            border-radius: 10px;
            background: linear-gradient(135deg, #7c3aed, #db2777);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .datei-player .titel {
            font-weight: 700;
            font-size: 1.05rem;
        }

        .datei-player .zeit {
            font-size: .8rem;
            color: #d1d5db;
            margin-top: 4px;
        }

        .datei-player .balken {
            height: 6px;
            background: #4b5563;
            border-radius: 3px;
            margin-top: 12px;
            overflow: hidden;
        }

        .datei-player .balken span {
            display: block;
            height: 100%;
            width: 35%;
            background: #a78bfa;
        }

        .datei-liste {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .datei-liste li {
            padding: 6px 4px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-color);
        }

        .datei-hinweis {
            font-size: .8rem;
            color: var(--clr-muted);
            margin-top: 12px;
        }

        /* Hinweis nur auf Touch-Geräten ohne Maus: Übung braucht eine echte Tastatur */
        .tastatur-hinweis {
            display: none;
            margin: .5rem 1rem;
            padding: .6rem .9rem;
            border-radius: 10px;
            border: 1px solid #d97706;
            background: #fffbeb;
            color: #78350f;
            font-size: .9rem;
            line-height: 1.45;
        }

        @media (hover: none) and (pointer: coarse) {
            .tastatur-hinweis {
                display: block;
            }
        }