.pwa-install-prompt {
    --pwa-install-bottom-offset: 18px;
    position: fixed;
    left: 50%;
    bottom: calc(env(safe-area-inset-bottom, 0px) + var(--pwa-install-bottom-offset));
    width: min(420px, calc(100vw - 24px));
    padding: 18px 18px 16px;
    border-radius: 28px;
    background:
        radial-gradient(circle at top left, rgba(255, 224, 138, 0.3), transparent 34%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(255, 247, 224, 0.96));
    border: 1px solid rgba(255, 178, 0, 0.18);
    box-shadow:
        0 26px 70px rgba(15, 23, 42, 0.2),
        0 10px 24px rgba(255, 178, 0, 0.14),
        inset 0 1px 0 rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    opacity: 0;
    transform: translate(-50%, 16px) scale(0.96);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 2400;
    overflow: hidden;
    isolation: isolate;
}

.pwa-install-prompt::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 160px;
    height: 4px;
    transform: translateX(-50%);
    border-radius: 0 0 999px 999px;
    background: linear-gradient(90deg, rgba(255, 178, 0, 0), rgba(255, 178, 0, 0.95), rgba(255, 178, 0, 0));
}

.pwa-install-prompt.is-visible {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
    pointer-events: auto;
}

.pwa-install-prompt[hidden] {
    display: none !important;
}

.pwa-install-dismiss {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.06);
    color: #475569;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    transition: background 0.2s ease, transform 0.2s ease;
}

.pwa-install-dismiss:hover {
    background: rgba(15, 23, 42, 0.1);
    transform: rotate(90deg);
}

.pwa-install-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(8px);
    opacity: 0.9;
    pointer-events: none;
    animation: pwaInstallGlowFloat 8s ease-in-out infinite;
    z-index: 0;
}

.pwa-install-glow-one {
    top: -28px;
    right: -18px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(255, 178, 0, 0.2), rgba(255, 178, 0, 0));
}

.pwa-install-glow-two {
    left: -34px;
    bottom: -60px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 209, 102, 0.18), rgba(255, 209, 102, 0));
    animation-delay: -2.6s;
}

.pwa-install-media,
.pwa-install-copy,
.pwa-install-actions {
    position: relative;
    z-index: 2;
}

.pwa-install-media {
    position: relative;
    width: 92px;
    height: 92px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pwa-install-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 178, 0, 0.22);
    animation: pwaInstallPulse 2.8s ease-out infinite;
}

.pwa-install-ring-one {
    inset: 0;
}

.pwa-install-ring-two {
    inset: 14px;
    animation-delay: 1s;
}

.pwa-install-app-icon {
    width: 72px;
    height: 72px;
    border-radius: 22px;
    box-shadow: 0 18px 36px rgba(255, 178, 0, 0.22);
    animation: pwaInstallIconFloat 4.4s ease-in-out infinite;
}

.pwa-install-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(255, 178, 0, 0.12);
    color: #d58b00;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 10px;
    text-align: center;
}

.pwa-install-title {
    margin: 0 0 8px;
    color: #0f172a;
    font-size: 1.28rem;
    line-height: 1.15;
    font-weight: 800;
    word-break: break-word;
}

.pwa-install-text {
    margin: 0;
    color: #475569;
    font-size: 0.94rem;
    line-height: 1.6;
    word-break: break-word;
}

.pwa-install-perks {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.pwa-install-perk {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(255, 178, 0, 0.1);
    color: #0f172a;
    font-size: 0.78rem;
    font-weight: 700;
}

.pwa-install-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.pwa-install-action {
    flex: 1 1 0;
    min-height: 48px;
    border-radius: 16px;
    border: none;
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.pwa-install-action:hover {
    transform: translateY(-1px);
}

.pwa-install-action-secondary {
    background: rgba(15, 23, 42, 0.06);
    color: #334155;
}

.pwa-install-action-primary {
    background: linear-gradient(135deg, #ffb200, #ffd166);
    color: #fff;
    box-shadow: 0 16px 26px rgba(255, 178, 0, 0.22);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pwa-install-action-primary:hover {
    box-shadow: 0 18px 30px rgba(255, 178, 0, 0.28);
}

@keyframes pwaInstallPulse {
    0% {
        transform: scale(0.9);
        opacity: 0;
    }
    35% {
        opacity: 0.7;
    }
    100% {
        transform: scale(1.12);
        opacity: 0;
    }
}

@keyframes pwaInstallIconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

@keyframes pwaInstallGlowFloat {
    0%, 100% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    50% {
        transform: translate3d(-10px, 10px, 0) scale(1.06);
    }
}

@media (min-width: 992px) {
    .pwa-install-prompt {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .pwa-install-prompt {
        width: calc(100vw - 18px);
        padding: 16px 16px 14px;
        border-radius: 24px;
    }

    .pwa-install-title {
        font-size: 1.16rem;
    }

    .pwa-install-text {
        font-size: 0.88rem;
    }

    .pwa-install-actions {
        flex-direction: column;
    }

    .pwa-install-action {
        width: 100%;
    }
}