#bell-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
    z-index: 2000;
}

#bell-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.bell-overlay-icon {
    font-size: clamp(6rem, 18vw, 14rem);
    color: #fbbf24;
    line-height: 1;
}

.bell-overlay-icon.is-shaking {
    animation: bell-shake 0.6s ease-in-out 0s 3;
}

@keyframes bell-shake {
    0%, 100% { transform: rotate(0deg); }
    20% { transform: rotate(-14deg); }
    40% { transform: rotate(12deg); }
    60% { transform: rotate(-8deg); }
    80% { transform: rotate(6deg); }
}

.bell-overlay-label {
    color: #f8fafc;
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    font-weight: 700;
    text-align: center;
}

#sound-unlock-banner {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2100;
    padding: .6rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(251, 191, 36, 0.6);
    background: rgba(120, 53, 15, 0.92);
    color: #fef3c7;
    font-weight: 600;
    cursor: pointer;
}

#sound-unlock-banner.is-hidden {
    display: none;
}

#connectivity-banner {
    position: fixed;
    top: max(.55rem, env(safe-area-inset-top));
    left: max(.55rem, env(safe-area-inset-left));
    transform: translateY(calc(-100% - 1rem));
    z-index: 1900;
    display: flex;
    align-items: center;
    gap: .45rem;
    padding: .38rem .7rem;
    border: 1px solid rgba(251, 191, 36, .35);
    border-radius: .65rem;
    background: rgba(69, 38, 7, 0.82);
    color: #fff7ed;
    font-size: clamp(.68rem, 1.25vw, .82rem);
    font-weight: 600;
    line-height: 1.25;
    transition: transform .25s ease, opacity .25s ease;
    opacity: 0;
    max-width: min(78vw, 34rem);
    pointer-events: none;
    backdrop-filter: blur(6px);
}

#connectivity-banner > span:first-child {
    color: #fbbf24;
    font-size: .7em;
    flex: 0 0 auto;
}

#connectivity-banner.is-visible {
    transform: translateY(0);
    opacity: .9;
}

.period-warning {
    color: #fca5a5 !important;
}