body {
    margin: 0;
    overflow: hidden;
    background-color: #020208;
    font-family: 'Segoe UI', Roboto, sans-serif;
    color: #ffffff;
}

/* WICHTIG: Erzwingt, dass der 3D-Raum den gesamten Bildschirm ausfüllt */
#3d-graph {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
}

#ui-container {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
    background: rgba(10, 15, 30, 0.8);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    width: 320px;
}

h1 {
    margin: 0 0 5px 0;
    font-size: 1.35rem;
    background: #fff;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    margin: 0 0 20px 0;
    font-size: 0.8rem;
    color: #778;
}

select {
    width: 100%;
    padding: 10px;
    background: #090d16;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    outline: none;
    cursor: pointer;
}

/* Fehler-Overlay bei CORS/Lokal-Problem */
#error-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 5, 15, 0.95);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.error-box {
    background: #111625;
    border: 2px solid #ff2a6d;
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 0 30px rgba(255, 42, 109, 0.3);
}

.error-box h2 { color: #ff2a6d; margin-top: 0; }
.error-box code { background: #000; padding: 4px 8px; border-radius: 4px; color: #05d9e8; }

/* Tooltips */
.graph-tooltip {
    background: rgba(5, 5, 15, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px;
    border-radius: 8px;
    color: #fff;
    max-width: 280px;
}
.tooltip-title { font-weight: 600; font-size: 1rem; margin-bottom: 6px; }
.tooltip-tags { font-size: 0.8em; display: flex; flex-wrap: wrap; gap: 4px; }
.tooltip-tag-badge { background: rgba(255, 255, 255, 0.1); padding: 2px 6px; border-radius: 4px; }