/* Loading spinner */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Progress bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #f0f0f0;
    z-index: 10000;
}

.progress-bar .fill {
    height: 100%;
    background: #3498db;
    width: 0%;
    transition: width 0.3s ease;
}

/* Social sharing */
.share-button {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 20px;
    color: white;
    text-decoration: none;
    margin: 5px;
    font-size: 14px;
    transition: opacity 0.2s;
}

.share-button:hover {
    opacity: 0.9;
}

.share-button.linkedin {
    background: #0077b5;
}

.share-button.reddit {
    background: #ff4500;
}

.share-button.twitter {
    background: #1da1f2;
}

/* Mobile warning */
.mobile-warning {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
    max-width: 90%;
    z-index: 1000;
}

@media (max-width: 768px) {
    .mobile-warning {
        display: block;
    }
}

/* Analytics consent banner */
.analytics-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10000;
}

.analytics-consent button {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}

.analytics-consent .accept {
    background: #2563eb;
    color: white;
}

.analytics-consent .decline {
    background: #e5e7eb;
    color: #374151;
}