/* Smart Site Booster Pro — PWA: install button + update toast
   Glass + neon language, matching the rest of the plugin's cinematic UI. */

#ssb-pwa-install-btn {
    position: fixed;
    bottom: 20px;
    z-index: 9996;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(10, 15, 30, .55);
    backdrop-filter: blur(14px) saturate(160%);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
    border: 1px solid rgba(var(--ssb-neon-rgb, 0, 245, 255), .3);
    color: #fff;
    border-radius: 50px;
    padding: 9px 20px 9px 9px;
    font-size: .85rem;
    font-weight: 600;
    font-family: var(--ssb-font-b, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 8px 28px rgba(0, 0, 0, .35);
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px) scale(.94);
    transition: opacity .35s cubic-bezier(.2, .8, .3, 1), transform .35s cubic-bezier(.2, .8, .3, 1), box-shadow .3s, border-color .3s;
    overflow: hidden;
}

#ssb-pwa-install-btn.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0) scale(1);
    animation: ssb-pwa-glow-pulse 3.2s ease-in-out infinite;
}

#ssb-pwa-install-btn:hover {
    border-color: rgba(var(--ssb-neon-rgb, 0, 245, 255), .65);
    box-shadow: 0 14px 40px rgba(0, 0, 0, .45), 0 0 24px rgba(var(--ssb-neon-rgb, 0, 245, 255), .3);
    transform: translateY(-4px) scale(1.02);
    color: #fff;
}

#ssb-pwa-install-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -60%;
    width: 40%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, .16), transparent);
    transform: skewX(-20deg);
    transition: left .6s ease;
    pointer-events: none;
}

#ssb-pwa-install-btn:hover::before {
    left: 130%;
}

@keyframes ssb-pwa-glow-pulse {
    0%, 100% { box-shadow: 0 8px 28px rgba(0, 0, 0, .35), 0 0 0 rgba(var(--ssb-neon-rgb, 0, 245, 255), 0); }
    50%      { box-shadow: 0 8px 28px rgba(0, 0, 0, .35), 0 0 18px rgba(var(--ssb-neon-rgb, 0, 245, 255), .3); }
}

.ssb-pwa-install-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--ssb-primary, #2563eb), var(--ssb-neon, #00f5ff));
    box-shadow: 0 0 10px rgba(var(--ssb-neon-rgb, 0, 245, 255), .5);
}

.ssb-pwa-install-icon svg {
    display: block;
}

#ssb-pwa-install-btn.ssb-pwa-success {
    pointer-events: none;
    border-color: rgba(74, 222, 128, .5);
}

#ssb-pwa-install-btn.ssb-pwa-success .ssb-pwa-install-icon {
    background: linear-gradient(135deg, #22c55e, #4ade80);
}

.ssb-pwa-install-label {
    white-space: nowrap;
}

#ssb-pwa-install-btn.ssb-pwa-pos-left  { left: 20px; right: auto; }
#ssb-pwa-install-btn.ssb-pwa-pos-right { right: 20px; left: auto; }

/* ── Update toast ─────────────────────────────────────────── */

#ssb-pwa-update-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    z-index: 99995;
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: calc(100vw - 32px);
    width: 380px;
    background: rgba(10, 15, 30, .92);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border: 1px solid rgba(var(--ssb-neon-rgb, 0, 245, 255), .3);
    border-radius: 16px;
    padding: 14px 12px 14px 18px;
    color: #fff;
    font-family: var(--ssb-font-b, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
    box-shadow: 0 24px 60px rgba(0, 0, 0, .5), 0 0 30px rgba(var(--ssb-neon-rgb, 0, 245, 255), .1);
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(16px) scale(.96);
    transition: opacity .35s cubic-bezier(.2, .8, .3, 1), transform .35s cubic-bezier(.2, .8, .3, 1);
}

#ssb-pwa-update-toast.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateX(-50%) translateY(0) scale(1);
}

.ssb-pwa-update-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ssb-neon, #00f5ff);
    box-shadow: 0 0 8px var(--ssb-neon, #00f5ff);
    flex-shrink: 0;
    animation: ssb-pwa-blink 2s ease-in-out infinite;
}

@keyframes ssb-pwa-blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: .35; }
}

.ssb-pwa-update-text {
    flex: 1;
    font-size: .8rem;
    line-height: 1.4;
    opacity: .85;
}

.ssb-pwa-update-text strong {
    display: block;
    font-size: .85rem;
    font-weight: 700;
    opacity: 1;
    margin-bottom: 2px;
}

#ssb-pwa-update-btn {
    background: linear-gradient(135deg, var(--ssb-primary, #2563eb), var(--ssb-neon, #00f5ff));
    border: none;
    color: #fff;
    font-weight: 600;
    font-size: .78rem;
    padding: 8px 16px;
    border-radius: 50px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(var(--ssb-neon-rgb, 0, 245, 255), .3);
    transition: transform .2s, box-shadow .2s;
}

#ssb-pwa-update-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--ssb-neon-rgb, 0, 245, 255), .45);
}

#ssb-pwa-update-dismiss {
    background: none;
    border: none;
    color: rgba(255, 255, 255, .45);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px 2px;
    flex-shrink: 0;
    transition: color .2s;
}

#ssb-pwa-update-dismiss:hover {
    color: #fff;
}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 768px) {
    #ssb-pwa-install-btn,
    #ssb-pwa-update-toast {
        bottom: 56px !important;
    }
}

@media (max-width: 480px) {
    #ssb-pwa-install-btn .ssb-pwa-install-label {
        display: none;
    }
    #ssb-pwa-install-btn {
        padding: 10px;
        border-radius: 50%;
    }
    #ssb-pwa-update-toast {
        width: calc(100vw - 32px);
        padding: 12px 10px 12px 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    #ssb-pwa-install-btn,
    #ssb-pwa-update-toast,
    .ssb-pwa-update-dot {
        animation: none !important;
        transition-duration: .01ms !important;
    }
}