/**
 * PWA Install Popup + banner iOS — giao diện card, chữ rõ, nút nổi bật
 */

.pwa-install-popup {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
    background: rgba(15, 23, 42, 0.58);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

@supports (backdrop-filter: blur(10px)) {
    .pwa-install-popup {
        backdrop-filter: blur(12px) saturate(1.2);
        -webkit-backdrop-filter: blur(12px) saturate(1.2);
    }
}

.pwa-install-popup.show {
    opacity: 1;
    visibility: visible;
}

.pwa-install-content {
    position: relative;
    width: 100%;
    max-width: 400px;
    max-height: min(90vh, calc(100vh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 2rem));
    overflow-y: auto;
    padding: 1.35rem 1.35rem 1.25rem;
    padding-bottom: max(1.25rem, env(safe-area-inset-bottom));
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 22px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.6) inset,
        0 25px 50px -12px rgba(15, 23, 42, 0.28),
        0 12px 24px -8px rgba(15, 23, 42, 0.12);
    transform: scale(0.94) translateY(8px);
    transition: transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.pwa-install-popup.show .pwa-install-content {
    transform: scale(1) translateY(0);
}

.pwa-install-close {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    width: 38px;
    height: 38px;
    border: none;
    background: #f1f5f9;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 0.9rem;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    z-index: 2;
}

.pwa-install-close:hover {
    background: #e2e8f0;
    color: #334155;
}

.pwa-install-close:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

.pwa-install-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.35rem;
    padding-right: 2.25rem; /* tránh dính nút X */
}

.pwa-install-icon-wrap {
    position: relative;
    flex-shrink: 0;
}

.pwa-install-icon-glow {
    position: absolute;
    inset: -4px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.35) 0%, rgba(99, 102, 241, 0.25) 50%, rgba(59, 130, 246, 0.2) 100%);
    filter: blur(8px);
    z-index: 0;
    opacity: 0.9;
}

.pwa-install-icon {
    position: relative;
    z-index: 1;
    line-height: 0;
    border-radius: 18px;
    overflow: hidden;
    box-shadow:
        0 8px 20px -6px rgba(15, 23, 42, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
}

.pwa-install-icon img {
    display: block;
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 18px;
}

.pwa-install-text {
    flex: 1;
    min-width: 0;
    padding-top: 0.15rem;
}

.pwa-install-title {
    font-family: var(--font-family, "Be Vietnam Pro", system-ui, sans-serif);
    font-size: 1.28rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 0.45rem 0;
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.pwa-install-desc {
    font-family: var(--font-family, "Be Vietnam Pro", system-ui, sans-serif);
    font-size: 0.9375rem;
    font-weight: 400;
    color: #64748b;
    line-height: 1.55;
    margin: 0;
    letter-spacing: 0.01em;
}

.pwa-install-actions {
    display: flex;
    flex-direction: row;
    gap: 0.75rem;
    margin-top: 0.1rem;
}

.pwa-install-actions .pwa-install-btn-primary {
    flex: 1.1;
    min-height: 48px;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
    border: none;
    transition: transform 0.15s, box-shadow 0.2s;
}

.pwa-install-actions .pwa-install-btn-primary:hover {
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.45);
    transform: translateY(-1px);
}

.pwa-install-actions .pwa-install-btn-primary .fa-download {
    font-size: 0.95em;
    opacity: 0.95;
}

.pwa-install-actions .pwa-install-btn-secondary {
    flex: 0.9;
    min-height: 48px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #475569;
    border-radius: 12px;
    border: 1.5px solid #e2e8f0;
    background: #fafbfc;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.pwa-install-actions .pwa-install-btn-secondary:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #334155;
}

/* ----- Safari / iOS: thêm màn hình chính ----- */
.pwa-ios-hint {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9998;
    padding: 0.75rem 1rem;
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
    background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.75) 18%, rgba(15, 23, 42, 0.92) 100%);
    transform: translateY(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s ease, opacity 0.3s ease, visibility 0.3s ease;
}

.pwa-ios-hint.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.pwa-ios-hint-inner {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    max-width: 32rem;
    margin: 0 auto;
    background: #fff;
    border-radius: 14px;
    padding: 0.75rem 0.5rem 0.75rem 0.9rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    font-family: var(--font-family, "Be Vietnam Pro", system-ui, sans-serif);
}

.pwa-ios-hint-text {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.5;
    color: #334155;
    margin: 0;
}

.pwa-ios-hint-text i.fa-share {
    color: #3b82f6;
    margin: 0 0.1rem;
}

.pwa-ios-hint-close {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border: none;
    background: #f1f5f9;
    border-radius: 50%;
    color: #64748b;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.pwa-ios-hint-close:hover {
    background: #e2e8f0;
}

@media (max-width: 480px) {
    .pwa-install-content {
        margin: 0 0.5rem;
        padding: 1.1rem 1.1rem 1rem;
    }

    .pwa-install-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding-right: 0;
        padding-top: 0.25rem;
    }

    .pwa-install-text {
        padding-top: 0;
    }

    .pwa-install-icon-wrap {
        margin: 0 auto;
    }

    .pwa-install-title {
        font-size: 1.2rem;
    }

    .pwa-install-close {
        top: 0.65rem;
        right: 0.65rem;
    }

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

    .pwa-install-actions .btn {
        width: 100%;
    }

    .pwa-install-actions .pwa-install-btn-primary,
    .pwa-install-actions .pwa-install-btn-secondary {
        flex: 1;
    }
}