/**
 * variant-spiral.css — SVG-Styling der Lernspirale (Variante B).
 * Quelle: docs/curriculum-source/reference-implementation/styles.css §
 * VARIANT B · SPIRAL.
 */

.vb-svg { display: block; background: oklch(98% 0.012 60); margin: 0 auto; }

.vb-year-label {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    fill: var(--ink-soft);
}

.vb-fam-label {
    font-family: var(--serif);
    font-size: 14px;
    fill: var(--ink);
}

.vb-sector {
    cursor: pointer;
    transition: opacity 0.15s, fill 0.15s;
}
.vb-sector:hover { fill-opacity: 0.85; filter: brightness(0.95); }
.vb-sector-dim { opacity: 0.18; pointer-events: none; }
.vb-sector-active { stroke-width: 2.5 !important; }

.vb-center-eyebrow {
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: 0.18em;
    fill: var(--ink-soft);
    text-transform: uppercase;
}
.vb-center-title { font-family: var(--serif); font-size: 24px; fill: var(--ink); }
.vb-center-sub { font-family: var(--sans); font-size: 12px; fill: var(--ink-soft); }
.vb-center-meta {
    font-family: var(--mono);
    font-size: 10.5px;
    fill: var(--accent);
    letter-spacing: 0.05em;
}

.vb-legend {
    position: absolute;
    left: 22px;
    bottom: 22px;
    width: 320px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 18px;
}
.vb-leg-title {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 8px;
}
.vb-legend p { font-size: 12.5px; line-height: 1.55; margin: 0 0 12px; color: var(--ink); }
.vb-leg-strands {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 10px;
    font-size: 11.5px;
    color: var(--ink-soft);
}
.vb-leg-strand { display: flex; align-items: center; gap: 6px; }
.vb-leg-strand .dot { width: 9px; height: 9px; border-radius: 50%; }

/* Pflege-Hinweis-Banner (analog Timeline) */
.vb-data-note {
    max-width: 1700px;
    margin: 16px auto 0;
    padding: 10px 22px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    color: var(--ink-soft);
    background: var(--surface);
    border: 1px dashed var(--line);
    border-radius: 8px;
}