/* =====================
   SW UPDATE BANNER
   ===================== */
.sw-update-banner {
    position: fixed;
    top: calc(env(safe-area-inset-top, 0px) + 10px);
    left: 50%;
    transform: translateX(-50%);
    width: min(28rem, calc(100vw - 18px));
    z-index: 1300;
    pointer-events: none;
}

.sw-update-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
    pointer-events: auto;
}

.sw-update-copy { min-width: 0; }

.sw-update-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text);
}

.sw-update-desc {
    font-size: 0.75rem;
    color: var(--muted);
}

.sw-update-btn {
    border: none;
    border-radius: 10px;
    background: var(--action);
    color: var(--action-text);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 9px 12px;
    cursor: pointer;
    white-space: nowrap;
}

.sw-update-btn:hover { filter: brightness(1.05); }

@media (max-width: 420px) {
    .sw-update-banner-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .sw-update-btn { width: 100%; }
}