/* Top navigation progress bar */
#pwa-nav-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 20000;
    pointer-events: none;
    background: transparent;
    opacity: 0;
    transition: opacity 200ms ease;
}

#pwa-nav-progress.active {
    opacity: 1;
}

#pwa-nav-progress .pwa-nav-progress-bar {
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, var(--fitsate-olive), var(--fitsate-lime-light), var(--fitsate-olive));
    background-size: 200% 100%;
    box-shadow: 0 0 10px rgba(77, 114, 45, 0.5);
    border-radius: 0 2px 2px 0;
    animation: pwa-nav-progress-slide 1.1s ease-in-out infinite,
               pwa-nav-progress-shimmer 1.4s linear infinite;
}

@keyframes pwa-nav-progress-slide {
    0%   { margin-left: -30%;  width: 30%; }
    50%  { margin-left: 35%;   width: 40%; }
    100% { margin-left: 100%;  width: 30%; }
}

@keyframes pwa-nav-progress-shimmer {
    from { background-position: 0% 50%; }
    to   { background-position: 200% 50%; }
}

/* Update available banner */
.pwa-update-banner {
    position: fixed;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    background: rgba(33, 37, 41, 0.95);
    color: #fff;
    padding: 12px 18px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    z-index: 19000;
    display: flex;
    gap: 12px;
    align-items: center;
    backdrop-filter: blur(10px);
    max-width: 92vw;
}

.pwa-update-banner button {
    border: none;
    background: var(--fitsate-olive);
    color: #fff;
    padding: 6px 14px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}

.pwa-update-banner button.pwa-dismiss {
    background: transparent;
    color: #ccc;
}

/* Install prompt button (hidden until eligible) */
.pwa-install-btn {
    display: none;
}

.pwa-install-btn.available {
    display: inline-flex;
}