/* ════════════════════════════════════════════════════════════
   DESIGN-TOKENS & OVERRIDES (Java = orange/amber Akzentfarbe)
════════════════════════════════════════════════════════════ */
        :root {
            --java-orange: #f97316;
            --java-amber: #fbbf24;
            --java-red: #ef4444;
            --java-dim: rgba(249, 115, 22, .12);
            --card-bg: var(--clr-surface);
            /* Schriftvarianten (WCAG AA): für color: immer *-text verwenden */
            --java-orange-text: #fb923c;
            --java-amber-text: #fbbf24;
            --java-red-text: #fca5a5;
            --java-green-text: #34d399;
        }

        html[data-theme="light"] {
            --java-dim: rgba(249, 115, 22, .08);
            --java-orange-text: #9a3412;
            --java-amber-text: #92400e;
            --java-red-text: #b91c1c;
            --java-green-text: #047857;
        }

        /* ── Stats Bar ─────────────────────────────────────────── */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 1rem;
            width: 100%;
            margin-bottom: 1.5rem;
        }

        .stat-card {
            background: var(--panel-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: .9rem 1rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--java-orange), var(--java-amber));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }

        .stat-card:hover::before {
            transform: scaleX(1);
        }

        .stat-card .stat-icon {
            font-size: 1.4rem;
            margin-bottom: .25rem;
        }

        .stat-card .stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--java-orange-text);
            line-height: 1;
            margin-bottom: .15rem;
        }

        .stat-card .stat-label {
            font-size: .7rem;
            text-transform: uppercase;
            letter-spacing: .06em;
            color: var(--clr-muted);
            font-weight: 600;
        }

        .stat-card.streak .stat-value {
            color: #f97316;
            animation: pulse 1.5s ease-in-out infinite;
        }

        .stat-card.xp .stat-value {
            color: var(--java-amber-text);
        }

        @keyframes pulse {

            0%,
            100% {
                transform: scale(1)
            }

            50% {
                transform: scale(1.15)
            }
        }

        /* ── XP Bar ─────────────────────────────────────────────── */
        .xp-bar-wrapper {
            width: 100%;
            background: var(--box-bg);
            border: 1px solid var(--border-color);
            border-radius: 99px;
            padding: .45rem .8rem;
            display: flex;
            align-items: center;
            gap: .75rem;
            margin-bottom: 1.5rem;
        }

        .xp-label {
            font-size: .75rem;
            font-weight: 700;
            color: var(--java-orange-text);
            white-space: nowrap;
        }

        .xp-track {
            flex: 1;
            height: 8px;
            background: rgba(249, 115, 22, .15);
            border-radius: 99px;
            overflow: hidden;
        }

        .xp-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--java-orange), var(--java-amber));
            border-radius: 99px;
            transition: width .6s cubic-bezier(.34, 1.56, .64, 1);
        }

        .xp-next {
            font-size: .72rem;
            color: var(--clr-muted);
            white-space: nowrap;
        }

        /* ── Nav Tabs ───────────────────────────────────────────── */
        .nav-tabs {
            display: flex;
            gap: .4rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }

        .nav-tab {
            padding: .5rem 1.1rem;
            border-radius: 99px;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--clr-muted);
            font-size: .82rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-fast);
        }

        .nav-tab:hover {
            border-color: var(--java-orange);
            color: var(--java-orange-text);
        }

        .nav-tab.active {
            background: linear-gradient(135deg, var(--java-orange), var(--java-amber));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .35);
        }

        /* ── Views ──────────────────────────────────────────────── */
        .view {
            display: none;
            animation: fadeIn .25s ease;
        }

        .view.active {
            display: block;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(8px)
            }

            to {
                opacity: 1;
                transform: none
            }
        }

        /* ── Hero ───────────────────────────────────────────────── */
        .hero {
            text-align: center;
            padding: 2.5rem 1rem 1.5rem;
            margin-bottom: 1.5rem;
        }

        .hero h1 {
            font-size: clamp(1.6rem, 4vw, 2.4rem);
            font-weight: 900;
            background: linear-gradient(135deg, var(--java-orange), var(--java-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            color: var(--clr-muted);
            margin-top: .5rem;
            font-size: .95rem;
        }

        /* ── Chapter Cards ─────────────────────────────────────── */
        .chapters-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.2rem;
            margin-bottom: 2rem;
        }

        .chapter-card {
            background: var(--panel-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 1.25rem;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .chapter-card:hover {
            border-color: var(--java-orange);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, .15);
        }

        .chapter-card.done {
            border-color: rgba(249, 115, 22, .4);
        }

        .chapter-card.done::after {
            content: '✓';
            position: absolute;
            top: .7rem;
            right: .9rem;
            color: var(--java-orange-text);
            font-weight: 800;
            font-size: 1rem;
        }

        .cc-header {
            display: flex;
            align-items: center;
            gap: .7rem;
            margin-bottom: .6rem;
        }

        .cc-num {
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            background: var(--java-dim);
            color: var(--java-orange-text);
            font-weight: 800;
            font-size: .85rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .cc-title {
            font-weight: 700;
            font-size: .95rem;
        }

        .cc-badge {
            font-size: .68rem;
            padding: .15rem .55rem;
            border-radius: 99px;
            font-weight: 700;
            margin-left: auto;
        }

        .cc-badge.easy {
            background: rgba(52, 211, 153, .15);
            color: var(--java-green-text);
        }

        .cc-badge.medium {
            background: rgba(251, 191, 36, .15);
            color: var(--java-amber-text);
        }

        .cc-badge.hard {
            background: rgba(249, 115, 22, .15);
            color: var(--java-orange-text);
        }

        .cc-badge.expert {
            background: rgba(239, 68, 68, .15);
            color: var(--java-red-text);
        }

        .cc-desc {
            font-size: .82rem;
            color: var(--clr-muted);
            margin-bottom: .8rem;
            line-height: 1.5;
        }

        .cc-xp {
            font-size: .75rem;
            color: var(--java-amber-text);
            font-weight: 700;
        }

        /* ── Task Modal ─────────────────────────────────────────── */
        .modal-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .7);
            backdrop-filter: blur(4px);
            z-index: 1000;
            align-items: flex-start;
            justify-content: center;
            padding: 1.5rem;
            overflow-y: auto;
        }

        .modal-overlay.open {
            display: flex;
            /* zec_breit.css blendet .modal-overlay per opacity/visibility aus */
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .modal {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 18px;
            width: 100%;
            max-width: 820px;
            box-shadow: 0 24px 80px rgba(0, 0, 0, .6);
            padding: 1.75rem;
            position: relative;
        }

        .modal-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--clr-muted);
            cursor: pointer;
            padding: .25rem .5rem;
            border-radius: 8px;
        }

        .modal-close:hover {
            color: var(--java-orange-text);
        }

        .modal-title {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: .3rem;
        }

        .modal-meta {
            font-size: .78rem;
            color: var(--clr-muted);
            margin-bottom: 1rem;
            display: flex;
            gap: .8rem;
            flex-wrap: wrap;
        }

        .task-desc {
            font-size: .88rem;
            line-height: 1.6;
            color: var(--clr-text);
            margin-bottom: 1rem;
            background: var(--java-dim);
            border-left: 3px solid var(--java-orange);
            border-radius: 0 8px 8px 0;
            padding: .75rem 1rem;
        }

        /* ── Code Editor ────────────────────────────────────────── */
        .editor-wrap {
            border: 1px solid var(--border-color);
            border-radius: 10px;
            display: flex;
            flex-direction: row;
            align-items: stretch;
            resize: both;
            overflow: hidden;
            min-height: 160px;
            min-width: 280px;
        }

        .editor-wrap:focus-within {
            border-color: var(--java-orange);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, .15);
        }

        .ln {
            flex: 0 0 42px;
            padding: .75rem 0;
            text-align: right;
            font-family: 'Courier New', monospace;
            font-size: .85rem;
            line-height: 1.6em;
            color: var(--clr-muted);
            opacity: .5;
            border-right: 1px solid var(--border-color);
            background: rgba(0, 0, 0, .2);
            overflow: hidden;
            user-select: none;
            pointer-events: none;
            box-sizing: border-box;
        }

        html[data-theme="light"] .ln {
            background: rgba(15, 23, 42, .04);
        }

        .ln span {
            display: block;
            padding-right: 8px;
            height: 1.6em;
            line-height: 1.6em;
        }

        .code-area {
            flex: 1 1 auto;
            width: 0;
            min-height: 160px;
            height: 100%;
            padding: .75rem .75rem .75rem 10px;
            background: rgba(0, 0, 0, .25);
            color: var(--text-color);
            border: none;
            font-family: 'Courier New', monospace;
            font-size: .85rem;
            line-height: 1.6em;
            resize: none;
            outline: none;
            tab-size: 4;
            white-space: pre;
            overflow-wrap: normal;
            overflow: auto;
            box-sizing: border-box;
        }

        html[data-theme="light"] .code-area {
            background: rgba(15, 23, 42, .03);
        }

        /* ── Buttons ────────────────────────────────────────────── */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            padding: .55rem 1.1rem;
            border-radius: 99px;
            font-size: .83rem;
            font-weight: 700;
            cursor: pointer;
            border: 1px solid var(--border-color);
            transition: var(--transition-fast);
        }

        .btn:disabled {
            opacity: .45;
            cursor: not-allowed;
        }

        .btn-run {
            background: linear-gradient(135deg, var(--java-orange), var(--java-amber));
            color: #fff;
            border: none;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .3);
        }

        .btn-run:hover:not(:disabled) {
            box-shadow: 0 8px 24px rgba(249, 115, 22, .5);
        }

        .btn-stop {
            background: linear-gradient(135deg, #f87171, #ef4444);
            color: #fff;
            border: none;
            display: none;
        }

        .btn-stop.visible {
            display: inline-flex;
        }

        .btn-hint {
            color: var(--java-amber-text);
            border-color: rgba(251, 191, 36, .3);
        }

        .btn-reset {
            color: var(--clr-muted);
        }

        .btn-solution {
            color: var(--java-orange-text);
            border-color: rgba(249, 115, 22, .3);
        }

        .btn-next {
            background: linear-gradient(135deg, #a78bfa, #8b5cf6);
            color: #fff;
            border: none;
            box-shadow: 0 4px 14px rgba(139, 92, 246, .3);
        }

        .action-row {
            display: flex;
            gap: .5rem;
            flex-wrap: wrap;
            margin: .75rem 0;
        }

        /* ── Run indicator ──────────────────────────────────────── */
        .run-ind {
            display: none;
            align-items: center;
            gap: .5rem;
            font-size: .8rem;
            color: var(--java-orange-text);
            font-weight: 600;
        }

        .run-ind.visible {
            display: flex;
        }

        .run-spinner {
            width: 13px;
            height: 13px;
            border: 2px solid rgba(249, 115, 22, .25);
            border-top-color: var(--java-orange);
            border-radius: 50%;
            animation: spin .7s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg)
            }
        }

        /* ── Output ─────────────────────────────────────────────── */
        .output-section {
            display: none;
        }

        .output-section.visible {
            display: block;
            margin-top: .5rem;
        }

        .output-label {
            font-size: .72rem;
            text-transform: uppercase;
            letter-spacing: .06em;
            color: var(--clr-muted);
            font-weight: 700;
            margin-bottom: .3rem;
        }

        .output-box {
            background: rgba(0, 0, 0, .3);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: .6rem .8rem;
            font-family: 'Courier New', monospace;
            font-size: .82rem;
            line-height: 1.6;
            white-space: pre-wrap;
            min-height: 2.5rem;
            color: var(--clr-text);
        }

        html[data-theme="light"] .output-box {
            background: rgba(15, 23, 42, .04);
        }

        /* ── Test Results ───────────────────────────────────────── */
        .test-results {
            display: flex;
            flex-direction: column;
            gap: .3rem;
            margin-top: .3rem;
        }

        .test-item {
            display: flex;
            align-items: center;
            gap: .5rem;
            padding: .4rem .7rem;
            border-radius: 8px;
            font-size: .82rem;
            border: 1px solid var(--border-color);
            background: var(--box-bg);
        }

        .test-item.pass {
            border-color: rgba(52, 211, 153, .3);
            background: rgba(52, 211, 153, .07);
        }

        .test-item.fail {
            border-color: rgba(248, 113, 113, .3);
            background: rgba(248, 113, 113, .07);
        }

        .ti-result {
            margin-left: auto;
            font-size: .75rem;
            color: var(--clr-muted);
        }

        /* ── Feedback Banner ────────────────────────────────────── */
        .feedback {
            display: none;
            border-radius: 12px;
            padding: .9rem 1.1rem;
            margin-top: .75rem;
        }

        .feedback.show {
            display: block;
        }

        .feedback.success {
            background: rgba(52, 211, 153, .1);
            border: 1px solid rgba(52, 211, 153, .3);
        }

        .feedback.partial {
            background: rgba(251, 191, 36, .1);
            border: 1px solid rgba(251, 191, 36, .3);
        }

        .feedback.error {
            background: rgba(248, 113, 113, .1);
            border: 1px solid rgba(248, 113, 113, .3);
        }

        .feedback-top {
            display: flex;
            align-items: center;
            gap: .6rem;
            font-weight: 700;
            margin-bottom: .25rem;
        }

        .feedback-msg {
            font-size: .85rem;
            color: var(--clr-muted);
        }

        .feedback-xp {
            font-size: .82rem;
            color: var(--java-amber-text);
            font-weight: 700;
            margin-top: .3rem;
        }

        .fb-next-row {
            margin-top: .75rem;
            display: flex;
            justify-content: flex-end;
        }

        /* ── Hint Box ───────────────────────────────────────────── */
        .hint-box {
            display: none;
            background: rgba(251, 191, 36, .07);
            border: 1px solid rgba(251, 191, 36, .3);
            border-left: 4px solid var(--java-amber);
            border-radius: 0 10px 10px 0;
            padding: .7rem 1rem;
            font-size: .83rem;
            margin-top: .5rem;
            line-height: 1.6;
        }

        .hint-box.show {
            display: block;
        }

        /* ── Solution Overlay ───────────────────────────────────── */
        .solution-box {
            display: none;
            background: rgba(249, 115, 22, .07);
            border: 1px solid rgba(249, 115, 22, .3);
            border-left: 4px solid var(--java-orange);
            border-radius: 0 10px 10px 0;
            padding: .75rem 1rem;
            margin-top: .5rem;
        }

        .solution-box.show {
            display: block;
        }

        .solution-box-title {
            font-size: .78rem;
            font-weight: 700;
            color: var(--java-orange-text);
            margin-bottom: .4rem;
        }

        .solution-box pre {
            font-family: 'Courier New', monospace;
            font-size: .82rem;
            line-height: 1.6;
            white-space: pre-wrap;
        }

        .solution-box .no-pts {
            font-size: .75rem;
            color: #f87171;
            margin-top: .4rem;
            font-style: italic;
        }

        /* ── Lernmaterial ───────────────────────────────────────── */
        .learn-nav {
            display: flex;
            flex-wrap: wrap;
            gap: .4rem;
            margin-bottom: 1.5rem;
        }

        .learn-nav-btn {
            padding: .4rem .9rem;
            border-radius: 99px;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--clr-muted);
            font-size: .78rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-fast);
        }

        .learn-nav-btn:hover {
            border-color: var(--java-orange);
            color: var(--java-orange-text);
        }

        .learn-nav-btn.active {
            background: linear-gradient(135deg, var(--java-orange), var(--java-amber));
            color: #fff;
            border-color: transparent;
        }

        .learn-card {
            display: none;
            background: var(--panel-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin-bottom: 1rem;
        }

        .learn-card.active {
            display: block;
            animation: fadeIn .2s ease;
        }

        .lc-title {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: .3rem;
            color: var(--java-orange-text);
        }

        .lc-tag {
            font-size: .7rem;
            padding: .15rem .55rem;
            border-radius: 99px;
            background: var(--java-dim);
            color: var(--java-orange-text);
            font-weight: 700;
            margin-left: .5rem;
        }

        .lc-intro {
            font-size: .9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            color: var(--clr-text);
        }

        .merksatz {
            background: rgba(249, 115, 22, .08);
            border-left: 4px solid var(--java-orange);
            border-radius: 0 10px 10px 0;
            padding: .75rem 1rem;
            margin-bottom: 1rem;
            font-size: .85rem;
            line-height: 1.6;
        }

        .merksatz-title {
            font-weight: 800;
            color: var(--java-orange-text);
            font-size: .78rem;
            text-transform: uppercase;
            letter-spacing: .05em;
            margin-bottom: .3rem;
        }

        .syntax-box {
            background: rgba(0, 0, 0, .25);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        html[data-theme="light"] .syntax-box {
            background: rgba(15, 23, 42, .04);
        }

        .syntax-box-header {
            padding: .4rem .8rem;
            background: rgba(249, 115, 22, .1);
            font-size: .74rem;
            font-weight: 700;
            color: var(--java-orange-text);
            text-transform: uppercase;
            letter-spacing: .04em;
        }

        .syntax-box-code {
            padding: .75rem 1rem;
            font-family: 'Courier New', monospace;
            font-size: .83rem;
            line-height: 1.6;
            white-space: pre;
            overflow-x: auto;
        }

        .example-block {
            background: var(--box-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: .75rem;
            overflow: hidden;
        }

        .example-block-header {
            padding: .35rem .8rem;
            background: rgba(249, 115, 22, .07);
            font-size: .75rem;
            font-weight: 700;
            color: var(--java-orange-text);
        }

        .example-code {
            padding: .6rem 1rem;
            font-family: 'Courier New', monospace;
            font-size: .82rem;
            line-height: 1.6;
            white-space: pre;
            overflow-x: auto;
            border-bottom: 1px solid var(--border-color);
        }

        .example-output {
            padding: .4rem 1rem;
            font-family: 'Courier New', monospace;
            font-size: .8rem;
            color: var(--clr-muted);
        }

        .example-output::before {
            content: '▶ ';
            color: var(--java-orange-text);
        }

        .tip-box {
            background: rgba(251, 191, 36, .07);
            border: 1px solid rgba(251, 191, 36, .25);
            border-radius: 10px;
            padding: .7rem 1rem;
            font-size: .82rem;
            line-height: 1.6;
            margin-bottom: .75rem;
        }

        .tip-box-title {
            font-weight: 700;
            color: var(--java-amber-text);
            font-size: .76rem;
            margin-bottom: .25rem;
        }

        .warn-box {
            background: rgba(248, 113, 113, .07);
            border: 1px solid rgba(248, 113, 113, .25);
            border-radius: 10px;
            padding: .7rem 1rem;
            font-size: .82rem;
            line-height: 1.6;
            margin-bottom: .75rem;
        }

        .warn-box-title {
            font-weight: 700;
            color: #f87171;
            font-size: .76rem;
            margin-bottom: .25rem;
        }

        .kw {
            color: #93c5fd;
        }

        .str {
            color: #86efac;
        }

        .num {
            color: #fca5a5;
        }

        .cm {
            color: #64748b;
        }

        .builtin {
            color: #fde68a;
        }

        .type {
            color: #c4b5fd;
        }

        /* ── Compare Table ──────────────────────────────────────── */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: .83rem;
            margin-top: .5rem;
        }

        .compare-table th {
            background: rgba(249, 115, 22, .1);
            padding: .5rem .7rem;
            text-align: left;
            font-size: .75rem;
            text-transform: uppercase;
            letter-spacing: .04em;
            color: var(--clr-muted);
            font-weight: 600;
        }

        .compare-table td {
            padding: .5rem .7rem;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table td:first-child {
            font-family: monospace;
            color: var(--java-orange-text);
            font-weight: 700;
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table tr:hover td {
            background: rgba(255, 255, 255, .02);
        }

        /* ── Error Highlight ────────────────────────────────────── */
        .err-banner {
            display: none;
            background: rgba(248, 113, 113, .1);
            border: 1px solid rgba(248, 113, 113, .3);
            border-radius: 10px;
            padding: .6rem .9rem;
            font-size: .82rem;
            margin-top: .4rem;
            line-height: 1.5;
        }

        .err-banner.show {
            display: block;
        }

        .err-type {
            font-weight: 800;
            color: #f87171;
        }

        .err-detail {
            color: var(--clr-text);
            margin-top: .2rem;
        }

        /* ── Leaderboard ────────────────────────────────────────── */
        .lb-table {
            width: 100%;
            border-collapse: collapse;
            font-size: .88rem;
            border-radius: 12px;
            overflow: hidden;
        }

        .lb-table th {
            background: rgba(249, 115, 22, .1);
            padding: .6rem .8rem;
            text-align: left;
            font-size: .76rem;
            text-transform: uppercase;
            letter-spacing: .04em;
            color: var(--clr-muted);
            font-weight: 600;
        }

        .lb-table td {
            padding: .6rem .8rem;
            border-bottom: 1px solid var(--border-color);
        }

        .lb-table tr:last-child td {
            border-bottom: none;
        }

        .lb-table tr:hover td {
            background: rgba(255, 255, 255, .03);
        }

        .lb-table tr.lb-me td {
            background: rgba(249, 115, 22, .07);
            font-weight: 600;
        }

        .lb-xp {
            color: var(--java-amber-text);
            font-weight: 700;
        }

        #lb-name-dialog-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 9999;
            background: rgba(0, 0, 0, .65);
            backdrop-filter: blur(4px);
            align-items: center;
            justify-content: center;
        }

        #lb-name-dialog-overlay.show {
            display: flex;
        }

        #lb-name-dialog {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 18px;
            padding: 2rem;
            width: min(420px, 92vw);
            box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
        }

        #lb-name-input {
            width: 100%;
            box-sizing: border-box;
            padding: .7rem 1rem;
            font-size: 1rem;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            background: rgba(0, 0, 0, .2);
            color: var(--text-color);
            outline: none;
            margin-bottom: .2rem;
        }

        #lb-name-input:focus {
            border-color: var(--java-orange);
        }

        #lb-name-error {
            color: #f87171;
            font-size: .82rem;
            min-height: 1.2em;
            margin-bottom: .8rem;
        }

        .lb-dialog-btns {
            display: flex;
            gap: .7rem;
            justify-content: flex-end;
        }