/* ========================================
   Utility Classes
   ======================================== */

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mt-1 { 
    margin-top: var(--spacing-md); 
}

.mt-2 { 
    margin-top: var(--spacing-lg); 
}

.mb-1 { 
    margin-bottom: var(--spacing-md); 
}

.mb-2 { 
    margin-bottom: var(--spacing-lg); 
}

.error-message {
    background: var(--error);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.success-message {
    background: var(--success);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

/* ========================================
   Inline Style Extractions
   ======================================== */

.steem-rewards-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-right: 4px;
}

/* PWA Install Button */
.pwa-install-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary-color, #667eea) 0%, var(--accent-purple, #764ba2) 100%);
    color: var(--text-primary, #fff);
    border: none;
    padding: 12px 24px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    z-index: 9999;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.3s;
}

.pwa-install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.5);
}

/* PWA Update Banner */
@keyframes pwa-slideDown {
    from {
        transform: translate(-50%, -100%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

.update-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.update-content p {
    margin: 0;
    font-weight: 600;
}

.btn-update, .btn-dismiss {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.2s;
}

.btn-update {
    background: white;
    color: var(--primary-color, #667eea);
}

.btn-dismiss {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-primary, #fff);
}

.btn-update:hover, .btn-dismiss:hover {
    opacity: 0.9;
}

/* ========================================
   Responsive Utilities
   ======================================== */

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}