/* ==========================================================================
   COLECCIÓN RRAUM.LAB — grilla de piezas (tarjetas tipográficas, sin fotos)
   ========================================================================== */
.coleccion-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pieza-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 20px 18px;
    background: transparent;
    border: 1px solid var(--border-fine);
    border-radius: 4px;
    cursor: pointer;
    text-align: left;
    transition: all 0.25s ease;
    box-sizing: border-box;
    width: 100%;
}

.pieza-card:hover {
    border-color: var(--text-color);
    background: rgba(255, 255, 255, 0.06);
}

.pieza-card.active {
    border-color: var(--text-color);
    background: rgba(255, 255, 255, 0.1);
}

.pieza-card-titulo {
    font-family: var(--font-geist);
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text-color);
}

.pieza-card-anio {
    font-family: var(--font-geist);
    font-size: 0.7rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-color);
}

/* Este placeholder flota sobre el viewport 3D (claro), no sobre el fondo
   oscuro de la página — por eso es la única excepción a "letras blancas". */
.coleccion-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-geist);
    font-size: 0.85rem;
    font-weight: 300;
    color: #878787;
    text-align: center;
    max-width: 280px;
    pointer-events: none;
    z-index: 5;
}