/* Workspace Sandbox Styles */

:root {
    --workspace-panel-width: 560px;
}

.workspace-panel {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    width: var(--workspace-panel-width);
    min-width: 420px;
    max-width: min(75vw, 960px);
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    z-index: 1000;
    display: none;
    flex-direction: column;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
}

.workspace-panel.active {
    display: flex;
}

.workspace-resizer {
    position: absolute;
    left: -4px;
    top: 0;
    bottom: 0;
    width: 8px;
    cursor: col-resize;
    background: transparent;
    z-index: 3;
}

.workspace-resizer::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: color-mix(in srgb, var(--color-border) 65%, transparent);
}

.workspace-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.workspace-title {
    font-weight: 600;
    font-size: 1rem;
}

.workspace-close-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
}

.workspace-close-btn:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.workspace-content {
    flex: 1;
    overflow: auto;
    padding: var(--spacing-md);
}

.workspace-file-preview {
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: auto;
}

.workspace-file-preview img,
.workspace-file-preview canvas {
    max-width: 100%;
    height: auto;
    display: block;
}

.workspace-file-preview table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.workspace-file-preview th,
.workspace-file-preview td {
    padding: 8px;
    text-align: left;
    border: 1px solid var(--color-border);
}

.workspace-file-preview pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
}

.workspace-actions {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.workspace-action-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

.workspace-action-btn:hover {
    background: var(--color-primary-hover);
}

.workspace-action-btn.secondary {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.workspace-action-btn.secondary:hover {
    background: var(--color-surface-active);
}

.workspace-region-selector {
    margin-top: var(--spacing-md);
}

.workspace-region-selector label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.workspace-region-selector select,
.workspace-region-selector input {
    width: 100%;
    padding: var(--spacing-xs);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
}

.workspace-artifact-container {
    margin-top: var(--spacing-md);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .workspace-panel {
        width: 100%;
        right: 0;
        left: 0;
        top: 0;
        bottom: 0;
        min-width: 0;
        max-width: 100vw;
    }

    .workspace-resizer {
        display: none;
    }
}

/* Main content adjustment when workspace is open */
.main-content.workspace-open {
    margin-right: var(--workspace-panel-width);
}

@media (max-width: 768px) {
    .main-content.workspace-open {
        margin-right: 0;
    }
}


.excel-workspace {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 100%;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 14%);
}

.excel-workbook-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-secondary, var(--color-surface));
}

.excel-workbook-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
}

.excel-workbook-meta {
    display: flex;
    gap: 10px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.excel-formula-bar {
    display: grid;
    grid-template-columns: auto minmax(120px, 180px) auto 1fr;
    gap: 8px;
    align-items: center;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #f9fafb;
}

.excel-formula-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.excel-name-box,
.excel-formula-input {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    background: #fff;
    color: var(--color-text);
    font-size: 0.85rem;
}

.excel-sheet-stage {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    overflow: hidden;
}

.excel-grid-wrap {
    overflow: auto;
    max-height: min(62vh, 720px);
}

.excel-preview-table,
.focused-range-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.82rem;
    table-layout: fixed;
}

.excel-preview-table th,
.excel-preview-table td,
.focused-range-table td {
    border-right: 1px solid #dbe1ea;
    border-bottom: 1px solid #dbe1ea;
    padding: 7px 8px;
    min-width: 88px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.excel-preview-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
}

.excel-corner-cell,
.excel-column-header,
.excel-row-header {
    background: #eef2f7;
    color: #475569;
    font-weight: 600;
}

.excel-corner-cell {
    width: 48px;
    min-width: 48px;
}

.excel-row-header {
    width: 48px;
    min-width: 48px;
    text-align: center;
    position: sticky;
    left: 0;
    z-index: 1;
}

.excel-column-header {
    text-align: center;
}

.excel-header-cell {
    background: #f8fafc;
    font-weight: 600;
}

.excel-data-cell,
.excel-header-cell {
    background: #fff;
    cursor: pointer;
}

.excel-data-cell:hover,
.excel-header-cell:hover {
    background: #f8fbff;
}

.excel-data-cell.selected,
.excel-header-cell.selected {
    position: relative;
    background: #eef6ff;
    outline: 2px solid #2563eb;
    outline-offset: -2px;
}

.excel-sheet-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding: 4px 0 0;
}

.sheet-tab {
    border: 1px solid var(--color-border);
    background: #f8fafc;
    color: var(--color-text-muted);
    border-radius: 10px 10px 0 0;
    padding: 8px 14px;
    font-size: 0.83rem;
    cursor: pointer;
}

.sheet-tab.active {
    background: #ffffff;
    color: #111827;
    border-bottom-color: #ffffff;
    box-shadow: inset 0 2px 0 #2563eb;
    font-weight: 600;
}

.excel-focus-banner {
    padding: 8px 10px;
    margin-bottom: 8px;
    border: 1px solid #bfdbfe;
    background: #eff6ff;
    color: #1d4ed8;
    border-radius: var(--radius-sm);
    font-size: 0.83rem;
    font-weight: 600;
}

.workspace-annotation-shell {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.workspace-annotation-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-secondary, var(--color-surface));
    position: sticky;
    top: 0;
    z-index: 2;
}

.workspace-annotation-btn {
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    font-size: 0.8rem;
}

.workspace-annotation-btn:hover,
.workspace-annotation-btn.active {
    background: var(--color-surface-hover);
    border-color: var(--color-primary, var(--color-accent));
}

.workspace-annotation-btn.secondary {
    margin-left: auto;
}

.workspace-annotation-stage {
    position: relative;
    min-height: 220px;
}

.workspace-preview-surface {
    position: relative;
    z-index: 0;
}

.workspace-annotation-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.workspace-annotation-item {
    position: absolute;
    pointer-events: auto;
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
}

.workspace-annotation-point,
.workspace-annotation-text {
    transform: translate(-50%, -50%);
    display: inline-flex;
    align-items: flex-start;
    gap: 8px;
}

.workspace-annotation-dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--annotation-color, #3b82f6);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.85);
    flex-shrink: 0;
    margin-top: 2px;
}

.workspace-annotation-label {
    display: inline-block;
    max-width: 180px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    background: rgba(15, 23, 42, 0.92);
    color: #fff;
    font-size: 0.75rem;
    line-height: 1.35;
    text-align: left;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.workspace-annotation-box {
    border: 2px solid var(--annotation-color, #ef4444);
    background: color-mix(in srgb, var(--annotation-color, #ef4444) 14%, transparent);
    border-radius: 6px;
    min-width: 24px;
    min-height: 24px;
}

.workspace-annotation-box .workspace-annotation-label {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 6px;
}

.workspace-annotation-arrow {
    height: 0;
    transform-origin: 0 0;
}

.workspace-annotation-arrow-line {
    position: absolute;
    left: 0;
    top: -1px;
    width: 100%;
    border-top: 2px solid var(--annotation-color, #22c55e);
}

.workspace-annotation-arrow-head {
    position: absolute;
    right: -2px;
    top: -5px;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 10px solid var(--annotation-color, #22c55e);
}

.workspace-annotation-floating-label {
    position: absolute;
    top: 10px;
    left: 0;
}

.workspace-annotation-item.selected .workspace-annotation-label,
.workspace-annotation-list-item.selected {
    outline: 2px solid var(--color-primary, var(--color-accent));
    outline-offset: 2px;
}

.workspace-annotation-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: var(--spacing-xs);
}

.workspace-annotation-list-empty {
    padding: 10px;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.workspace-annotation-list-item {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.workspace-annotation-list-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
}

.workspace-annotation-list-main:hover {
    background: var(--color-surface-hover);
}

.workspace-annotation-list-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.workspace-annotation-list-text {
    font-size: 0.9rem;
    color: var(--color-text);
}

.workspace-annotation-list-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.workspace-annotation-delete {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0 10px;
}

.workspace-annotation-delete:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}