.container {
    max-width: 1400px;
    margin: 1rem auto;
    padding: 0 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.header h1 {
    margin: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 1.5rem;
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: bold;
}

.filters {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 2rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
}

.filter-group select {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

.bulk-actions {
    margin-left: auto;
    display: flex;
    gap: 0.5rem;
}

.backups-list {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    min-height: 300px;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: #666;
    font-size: 1.1rem;
}

.no-backups {
    text-align: center;
    padding: 3rem;
    color: #999;
    font-size: 1.1rem;
}

.timeline-group {
    margin-bottom: 2rem;
}

.timeline-header {
    font-size: 1.2rem;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #667eea;
}

.backup-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    transition: all 0.2s;
}

.backup-item:hover {
    background: #f8f9ff;
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.backup-item.selected {
    background: #f0f4ff;
    border-color: #667eea;
}

.backup-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.backup-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.backup-filename {
    font-weight: 600;
    color: #333;
    font-family: monospace;
    font-size: 0.95rem;
}

.backup-date {
    color: #666;
    font-size: 0.85rem;
}

.backup-time-ago {
    color: #999;
    font-size: 0.8rem;
}

.backup-size {
    font-weight: 600;
    color: #667eea;
    min-width: 100px;
    text-align: right;
}

.backup-actions {
    display: flex;
    gap: 0.5rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

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

.btn-secondary:hover {
    background: #5a6268;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-danger:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 100px;
    padding-bottom: 50px;
    z-index: 1000;
    overflow-y: auto;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 600px;
    min-height: 200px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    margin-top: 0;
    color: #333;
}

.modal-content p {
    color: #666;
    margin: 1rem 0;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .bulk-actions {
        margin-left: 0;
        width: 100%;
    }

    .backup-item {
        grid-template-columns: auto 1fr;
        gap: 0.5rem;
    }

    .backup-size {
        grid-column: 2;
        text-align: left;
    }

    .backup-actions {
        grid-column: 1 / -1;
        justify-content: flex-end;
    }
}