/* Colette Build-/Update-Anzeige */
.brand-link {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    line-height: 1.1;
}

.app-build-label {
    display: block;
    margin-top: 2px;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgba(44, 62, 80, 0.58);
    text-align: center;
    white-space: nowrap;
}

button.header-icon-btn.app-update-btn,
header .header-content .header-actions button.header-icon-btn.app-update-btn {
    display: none !important;
    align-items: center;
    justify-content: center;
    width: 45px !important;
    height: 45px !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 0 !important;
    background: transparent !important;
    color: #2c3e50 !important;
    cursor: pointer;
    line-height: 1;
    -webkit-tap-highlight-color: transparent;
}

button.header-icon-btn.app-update-btn.is-visible,
header .header-content .header-actions button.header-icon-btn.app-update-btn.is-visible {
    display: flex !important;
}

button.header-icon-btn.app-update-btn[hidden],
header .header-content .header-actions button.header-icon-btn.app-update-btn[hidden] {
    display: none !important;
}

.app-update-btn svg {
    display: block;
    width: 34px;
    height: 36px;
    fill: currentColor;
}

.app-update-btn:focus-visible {
    outline: 2px solid rgba(52, 152, 219, 0.75);
    outline-offset: 3px;
    border-radius: 999px;
}

.app-update-btn:active {
    transform: scale(0.96);
}

.app-update-btn[aria-busy="true"] {
    opacity: 0.65;
    cursor: wait;
}

.app-update-btn[aria-busy="true"] svg {
    animation: colette-update-spin 0.85s linear infinite;
}

@keyframes colette-update-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}