/* Datastore Selector Modal */
.datastore-selector-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.datastore-selector-modal.hidden {
    display: none;
}

.datastore-selector-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.datastore-selector-content {
    position: relative;
    width: 90%;
    max-width: 540px;
    max-height: 80vh;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header */
.datastore-selector-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.datastore-selector-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.datastore-selector-subtitle {
    margin: 8px 0 0;
    font-size: 14px;
    color: var(--text-muted);
}

.datastore-selector-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.datastore-selector-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Body */
.datastore-selector-body {
    padding: 16px 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 200px;
}

/* Loading */
.datastore-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 0;
    color: var(--text-muted);
}

.datastore-loading .loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty state */
.datastore-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 0;
    text-align: center;
}

.datastore-empty .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.7;
}

.datastore-empty p {
    margin: 0;
    color: var(--text-muted);
}

.datastore-empty .empty-hint {
    font-size: 13px;
    margin-top: 8px;
    opacity: 0.7;
}

/* Datastore List */
.datastore-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.datastore-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.datastore-item:hover {
    background: var(--bg-hover);
    border-color: var(--border-color);
}

.datastore-item.selected {
    background: rgba(243, 123, 32, 0.1);
    border-color: var(--accent-color);
}

/* Checkbox styling */
.datastore-checkbox {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.datastore-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

.datastore-icon {
    font-size: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 10px;
    flex-shrink: 0;
}

.datastore-info {
    flex: 1;
    min-width: 0;
}

.datastore-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.datastore-description {
    font-size: 13px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.datastore-check {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
    flex-shrink: 0;
}

/* Footer */
.datastore-selector-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.datastore-grounded-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

.datastore-grounded-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-color);
}

.toggle-label {
    font-weight: 500;
}

.toggle-hint {
    color: var(--text-muted);
    font-size: 12px;
}

.datastore-footer-buttons {
    display: flex;
    gap: 12px;
}

.datastore-footer-buttons .btn-secondary,
.datastore-footer-buttons .btn-primary {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.datastore-footer-buttons .btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.datastore-footer-buttons .btn-secondary:hover {
    background: var(--bg-hover);
}

.datastore-footer-buttons .btn-primary {
    background: var(--accent-color);
    border: none;
    color: white;
}

.datastore-footer-buttons .btn-primary:hover:not(:disabled) {
    filter: brightness(1.1);
}

.datastore-footer-buttons .btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 600px) {
    .datastore-selector-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .datastore-selector-footer {
        flex-direction: column;
        align-items: stretch;
    }
    
    .datastore-grounded-toggle {
        justify-content: center;
        padding-bottom: 12px;
    }
    
    .datastore-footer-buttons {
        justify-content: stretch;
    }
    
    .datastore-footer-buttons button {
        flex: 1;
    }
}