td.right-border {
    border-right: 1px solid lightgrey;
}

.vacation-summary-row {
    background-color: rgba(0, 0, 0, 0.2) !important;
    color: #333 !important;
    border-bottom: 1px solid #e9ecef;
}

.diff {
    white-space: nowrap;
}

.diff-sign {
     font-size: 1.1em;   /* Vorzeichen größer */
    font-weight: 300;
     line-height: 1;
    margin-right: 2px;

    position: relative;
    top: -0.015em;   /* ← höher = negativer Wert */
}

.diff-number {
    font-size: 1em;
}

.loading-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid #ccc;
    border-top-color: #333;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
}

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