.maintenance-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    animation: maintenanceFadeIn 0.3s ease;
}

.maintenance-popup.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

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

.maintenance-popup-content {
    background: white;
    border-radius: 8px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    animation: maintenanceSlideUp 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes maintenanceSlideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.maintenance-popup-header {
    background: linear-gradient(135deg, #1e88e5 0%, #1565c0 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 8px 8px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.maintenance-popup-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.maintenance-close {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.maintenance-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.maintenance-close:active {
    transform: scale(0.95);
}

.maintenance-popup-body {
    padding: 1.5rem;
    line-height: 1.6;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.maintenance-popup-body p {
    margin: 0.75rem 0;
    color: #495057;
    font-size: 0.9375rem;
}

.maintenance-popup-body p:first-child {
    margin-top: 0;
}

.maintenance-popup-body p:last-child {
    margin-bottom: 0;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid #f8f9fa;
    color: #6c757d;
}

.maintenance-popup-body strong {
    color: #212529;
    font-weight: 600;
}

.maintenance-popup-footer {
    padding: 1rem 1.5rem 1.5rem;
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    border-top: 1px solid #f8f9fa;
}

.maintenance-github-btn,
.maintenance-dismiss-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9375rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    text-decoration: none;
}

.maintenance-github-btn {
    background: #6c757d;
    color: white;
}

.maintenance-github-btn:hover {
    background: #5a6268;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(108, 117, 125, 0.2);
}

.maintenance-github-btn:active {
    transform: translateY(0);
}

.maintenance-github-btn svg {
    width: 20px;
    height: 20px;
}

.maintenance-dismiss-btn {
    background: #1e88e5;
    color: white;
}

.maintenance-dismiss-btn:hover {
    background: #1565c0;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(30, 136, 229, 0.2);
}

.maintenance-dismiss-btn:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .maintenance-popup {
        padding: 0.5rem;
    }
    
    .maintenance-popup-content {
        margin: 0.5rem;
        max-height: calc(100vh - 1rem);
        border-radius: 12px;
    }
    
    .maintenance-popup-header {
        padding: 1.25rem;
        border-radius: 12px 12px 0 0;
    }
    
    .maintenance-popup-header h3 {
        font-size: 1.125rem;
    }
    
    .maintenance-popup-body {
        padding: 1.25rem;
        font-size: 0.9375rem;
    }
    
    .maintenance-popup-footer {
        padding: 1rem 1.25rem 1.25rem;
        flex-direction: column;
    }
    
    .maintenance-github-btn,
    .maintenance-dismiss-btn {
        width: 100%;
        padding: 0.875rem 1.25rem;
    }
}

@media (max-width: 480px) {
    .maintenance-popup-header h3 {
        font-size: 1rem;
    }
    
    .maintenance-popup-body {
        font-size: 0.875rem;
    }
    
    .maintenance-popup-body p {
        font-size: 0.875rem;
    }
}

@media print {
    .maintenance-popup {
        display: none !important;
    }
}