.pwa-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1080;
    padding: 12px 12px calc(env(safe-area-inset-bottom, 0px) + 12px);
    pointer-events: none;
    transform: translateY(110%);
    opacity: 0;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.pwa-bar.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.pwa-bar__inner {
    pointer-events: auto;
    max-width: 768px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    border: 1px solid rgba(229, 231, 235, 0.8);
    border-radius: 16px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

@media (prefers-color-scheme: dark) {
    .pwa-bar__inner {
        background: rgba(24, 24, 27, 0.95);
        border-color: rgba(255, 255, 255, 0.08);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.25);
    }
}

.pwa-bar__icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #10b981, #0d9488);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
    overflow: hidden;
}

.pwa-bar__icon-svg {
    width: 22px;
    height: 22px;
    color: #ffffff;
}

.pwa-bar__app-logo {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: 12px;
}

.pwa-bar__body {
    flex: 1;
    min-width: 0;
}

.pwa-bar__title {
    margin: 0 0 2px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #111827;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pwa-bar__title-short {
    display: inline;
}

.pwa-bar__title-full {
    display: none;
}

@media (min-width: 640px) {
    .pwa-bar__title-short {
        display: none;
    }

    .pwa-bar__title-full {
        display: inline;
    }
}

.pwa-bar__subtitle {
    margin: 0;
    font-size: 0.72rem;
    color: #6b7280;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (prefers-color-scheme: dark) {
    .pwa-bar__title { color: #ffffff; }
    .pwa-bar__subtitle { color: #9ca3af; }
}

.pwa-bar__action {
    flex-shrink: 0;
    background: linear-gradient(135deg, #10b981, #0d9488);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
    transition: filter 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.pwa-bar__action:hover {
    filter: brightness(1.05);
    box-shadow: 0 6px 14px rgba(16, 185, 129, 0.35);
}

.pwa-bar__action:active {
    transform: scale(0.97);
}

.pwa-bar__action-icon {
    width: 16px;
    height: 16px;
}

.pwa-bar__close {
    flex-shrink: 0;
    background: transparent;
    color: #9ca3af;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, color 0.15s ease;
}

.pwa-bar__close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: #4b5563;
}

@media (prefers-color-scheme: dark) {
    .pwa-bar__close:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #e5e7eb;
    }
}

.pwa-bar__close-icon {
    width: 16px;
    height: 16px;
}

@media (max-width: 480px) {
    .pwa-bar {
        padding: 10px 10px calc(env(safe-area-inset-bottom, 0px) + 10px);
    }

    .pwa-bar__inner {
        padding: 10px;
        gap: 10px;
    }

    .pwa-bar__action span {
        display: none;
    }

    .pwa-bar__action {
        padding: 10px;
    }

    .pwa-bar__subtitle {
        display: none;
    }
}

.pwa-ios-sheet {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1090;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.22s ease;
}

.pwa-ios-sheet.is-visible {
    opacity: 1;
}

.pwa-ios-sheet__card {
    background: #fff;
    color: #212529;
    border-radius: 16px;
    padding: 18px 20px 22px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    position: relative;
    transform: translateY(20px);
    transition: transform 0.22s ease;
}

.pwa-ios-sheet.is-visible .pwa-ios-sheet__card {
    transform: translateY(0);
}

.pwa-ios-sheet__title {
    margin: 0 0 12px;
    font-size: 1rem;
    font-weight: 600;
}

.pwa-ios-sheet__close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: transparent;
    border: none;
    color: #6c757d;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pwa-ios-sheet__close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: #212529;
}

.pwa-ios-sheet__steps {
    margin: 0;
    padding-left: 20px;
    font-size: 0.92rem;
    line-height: 1.5;
    color: #495057;
}

.pwa-ios-sheet__steps li {
    margin-bottom: 8px;
}