/* زر التثبيت */
.pwa-install-btn {
    position: fixed;
    color: #ffffff;
    border: none;
    border-radius: 50px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    display: none; /* إخفاء افتراضي - سيتم إظهاره من JavaScript */
    align-items: center;
    gap: 8px;
    z-index: 9999;
    transition: all 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    direction: rtl;
}

/* المواضع المختلفة */
.pwa-install-btn.pwa-position-bottom-right {
    bottom: 20px;
    right: 20px;
}

.pwa-install-btn.pwa-position-bottom-left {
    bottom: 20px;
    left: 20px;
}

.pwa-install-btn.pwa-position-top-right {
    top: 20px;
    right: 20px;
}

.pwa-install-btn.pwa-position-top-left {
    top: 20px;
    left: 20px;
}

.pwa-install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.pwa-install-btn:active {
    transform: translateY(0);
}

.pwa-install-btn.hidden {
    display: none !important;
}

.pwa-install-icon {
    font-size: 20px;
    line-height: 1;
}

.pwa-install-text {
    line-height: 1;
}

/* نافذة iOS */
.pwa-ios-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    direction: rtl;
}

.pwa-ios-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pwa-ios-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.pwa-ios-modal-content {
    position: relative;
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 10001;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pwa-ios-modal-content h3 {
    margin: 0 0 20px 0;
    font-size: 24px;
    color: #333;
    font-weight: 700;
}

.pwa-ios-steps {
    margin: 0;
}

.pwa-ios-steps p {
    margin: 15px 0;
    font-size: 16px;
    line-height: 1.6;
    color: #555;
}

.pwa-ios-steps strong {
    color: #667eea;
    font-weight: 600;
}

.ios-share-icon {
    display: inline-block;
    margin: 0 4px;
}

.pwa-ios-close {
    position: absolute;
    top: 15px;
    left: 15px;
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
}

.pwa-ios-close:hover {
    background: #f0f0f0;
    color: #333;
}

/* Responsive للهواتف */
@media (max-width: 768px) {
    .pwa-install-btn {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .pwa-install-icon {
        font-size: 18px;
    }
    
    .pwa-ios-modal-content {
        padding: 25px 20px;
        max-width: 90%;
    }
    
    .pwa-ios-modal-content h3 {
        font-size: 20px;
        margin-bottom: 15px;
    }
    
    .pwa-ios-steps p {
        font-size: 14px;
        margin: 12px 0;
    }
}

/* إخفاء الزر في وضع standalone */
@media (display-mode: standalone) {
    .pwa-install-btn {
        display: none !important;
    }
}