/* PWA Install Section */
.pwa-install-section {
    text-align: center;
    margin: 20px auto;
    padding: 0 20px;
    max-width: 400px;
}

.pwa-install-text {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    font-weight: 500;
}

.pwa-install-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.pwa-install-btn {
    display: none; /* Prikazan preko JS-a zavisno od uređaja */
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 150px;
    height: 50px;
}

.pwa-android-btn {
    background: transparent;
}

.pwa-android-btn:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.pwa-ios-btn {
    background: transparent;
}

.pwa-ios-btn:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.pwa-btn-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* iOS Install Modal */
.pwa-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.pwa-modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.pwa-modal-close {
    color: #999;
    float: right;
    font-size: 32px;
    font-weight: bold;
    line-height: 20px;
    cursor: pointer;
    transition: color 0.2s;
}

.pwa-modal-close:hover,
.pwa-modal-close:focus {
    color: #333;
}

.pwa-modal-content h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: #333;
    font-size: 20px;
    text-align: center;
}

.pwa-instructions {
    text-align: left;
    padding-left: 20px;
    line-height: 1.8;
    color: #666;
}

.pwa-instructions li {
    margin-bottom: 12px;
    font-size: 15px;
}

.pwa-modal-note {
    margin-top: 16px;
    font-size: 14px;
    color: #888;
    text-align: left;
}

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f8f8f8;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #e0e0e0;
    border-top: 4px solid #333;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-text {
    margin-top: 20px;
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 480px) {
    .pwa-install-section {
        margin: 15px auto;
    }

    .pwa-install-btn {
        width: 130px;
        height: 45px;
    }

    .pwa-modal-content {
        margin: 20% auto;
        padding: 20px;
        width: 95%;
    }

    .pwa-instructions {
        font-size: 14px;
    }

    .pwa-modal-note {
        font-size: 13px;
    }

    .loader-spinner {
        width: 40px;
        height: 40px;
    }

    .loader-text {
        font-size: 14px;
    }
}