/* ═══════════════════════════════════════════════════════
   PWA Install Banner
   ═══════════════════════════════════════════════════════ */

.pwa-install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--chrome-bg);
    border-top: 1px solid var(--chrome-border);
    padding: var(--sp-3) var(--sp-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out);
}

.pwa-install-banner.pwa-visible {
    transform: translateY(0);
    opacity: 1;
}

.pwa-install-banner-left {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.pwa-install-banner-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    flex-shrink: 0;
}

.pwa-install-banner-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pwa-install-banner-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.pwa-install-banner-sub {
    font-size: 12px;
    color: var(--muted);
}

.pwa-install-banner-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    flex-shrink: 0;
}

.pwa-install-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast);
    font-family: var(--font-body);
}

.pwa-install-btn:hover {
    background: var(--primary-hover);
}

.pwa-dismiss-btn {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: color var(--duration-fast);
    line-height: 1;
}

.pwa-dismiss-btn:hover {
    color: var(--text);
}

/* ── Dark theme ── */
[data-theme="dark"] .pwa-install-banner-title {
    color: var(--chrome-text);
}

[data-theme="dark"] .pwa-install-banner-sub {
    color: var(--silver);
}

[data-theme="dark"] .pwa-dismiss-btn:hover {
    color: var(--chrome-text);
}

/* ── Mobile ── */
@media (max-width: 480px) {
    .pwa-install-banner {
        padding: var(--sp-3) var(--sp-4);
    }

    .pwa-install-banner-title {
        font-size: 13px;
    }

    .pwa-install-btn {
        padding: 7px 14px;
        font-size: 12px;
    }
}