PLACEHOLDER-SEITEN
       ===================================================================== */

    .placeholder-body {
        margin: 0;
        font-family: 'Reddit Sans', system-ui, -apple-system, sans-serif;
        background: #ffffff;
        min-height: 100vh;
        color: var(--slate-800);
        overflow-x: hidden;
    }

    .placeholder-main {
        padding: calc(var(--shell-header-h) + 56px) 28px 64px;
        max-width: 960px;
        margin: 0 auto;
    }

    .placeholder-hero {
        text-align: center;
        margin-bottom: 48px;
    }

    .placeholder-hero-icon {
        font-size: 3.5rem;
        margin-bottom: 16px;
    }

    .placeholder-hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 14px;
        border-radius: 999px;
        background: rgba(148, 163, 184, 0.15);
        color: var(--slate-500);
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        margin-bottom: 20px;
    }

    .placeholder-hero-title {
        margin: 0 0 14px;
        font-size: clamp(2rem, 5vw, 3.2rem);
        line-height: 1.05;
        color: var(--slate-800);
    }

    .placeholder-hero-desc {
        font-size: 1.05rem;
        line-height: 1.6;
        color: var(--slate-500);
        margin: 0 auto;
        max-width: 560px;
    }

    .placeholder-content {
        background: rgba(255, 255, 255, 0.9);
        border: 1px solid rgba(148, 163, 184, 0.25);
        border-radius: 20px;
        padding: 36px;
        box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
    }

    .placeholder-content-title {
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--slate-400);
        text-transform: uppercase;
        letter-spacing: 0.08em;
        margin: 0 0 20px;
    }

    .placeholder-content p {
        color: var(--slate-500);
        line-height: 1.6;
        margin: 0 0 12px;
    }

    /* ---- Kompetenzraster: Klassen-Karten ---- */
    .placeholder-class-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 14px;
        margin-top: 24px;
    }

    .placeholder-class-card {
        border: 1px solid rgba(148, 163, 184, 0.28);
        border-radius: 16px;
        padding: 20px;
        background: rgba(248, 250, 252, 0.8);
        display: flex;
        flex-direction: column;
        gap: 8px;
        text-decoration: none;
        transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    .placeholder-class-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    }

    .placeholder-class-label {
        font-size: 1.1rem;
        font-weight: 800;
        color: var(--slate-800);
    }

    .placeholder-class-status {
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--slate-400);
        text-transform: uppercase;
        letter-spacing: 0.06em;
    }

    /* ---- Feature-Listen ---- */
    .placeholder-feature-list {
        list-style: none;
        padding: 0;
        margin: 16px 0 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .placeholder-feature-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        border-radius: 12px;
        background: rgba(248, 250, 252, 0.8);
        font-size: 0.92rem;
        color: var(--slate-600);
        border: 1px solid rgba(148, 163, 184, 0.15);
    }

    .placeholder-feature-list li::before {
        content: 'â—‹';
        color: var(--slate-300);
        font-size: 1rem;
        flex-shrink: 0;
    }

    /* ---- Visualisierung: Kategorien ---- */
    .placeholder-viz-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin-top: 20px;
    }

    .placeholder-viz-item {
        border-radius: 14px;
        padding: 18px;
        background: rgba(219, 234, 254, 0.25);
        border: 1px solid rgba(37, 99, 235, 0.12);
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--slate-700);
    }

    .placeholder-viz-item-icon {
        font-size: 1.4rem;
        flex-shrink: 0;
    }

    /* ---- Generator Plus ---- */
    .placeholder-type-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
        margin-top: 20px;
    }

    .placeholder-type-item {
        border-radius: 12px;
        padding: 14px 16px;
        background: rgba(237, 233, 254, 0.3);
        border: 1px solid rgba(124, 58, 237, 0.1);
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--slate-600);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .placeholder-type-item::before {
        content: 'â—‹';
        color: rgba(124, 58, 237, 0.3);
    }

    /* =====================================================================


    @media (max-width: 900px) {
        .placeholder-class-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }

        .placeholder-viz-grid,
        .placeholder-type-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 640px) {
        .placeholder-main {
            padding: calc(var(--shell-header-h) + 36px) 16px 48px;
        }

        .placeholder-class-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }

        .placeholder-content {
            padding: 24px;
        }
    }

    @media (max-width: 560px) {
        .placeholder-class-grid {
            grid-template-columns: 1fr;
        }
    }