/* ArchiTools — ArchiCAD XML Attribute Editor */

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #1f1f1f;
    --bg-tertiary: #262626;
    --bg-hover: #2d2d2d;
    --bg-selected: #0c4a6e;
    --text-primary: #f2f2f2;
    --text-secondary: #a6a6a6;
    --text-muted: #666666;
    --border-color: #333333;
    --accent: #0ea5e9;
    --accent-hover: #38bdf8;
    --danger: #ef4444;
    --danger-hover: #f87171;
    --success: #22c55e;
    --warning: #f59e0b;
    --gap-color: #2a2a1a;
    --conflict-bg: #3a1a1a;
    --scrollbar-track: #1f1f1f;
    --scrollbar-thumb: #404040;
    --view-border: #0d9488;
    --view-bg: rgba(13, 148, 136, 0.08);
    --layout-border: #7c3aed;
    --layout-bg: rgba(124, 58, 237, 0.08);
}

[data-theme="light"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #ebebeb;
    --bg-hover: #e0e0e0;
    --bg-selected: #bae6fd;
    --text-primary: #1a1a1a;
    --text-secondary: #525252;
    --text-muted: #737373;
    --border-color: #d4d4d4;
    --accent: #0284c7;
    --accent-hover: #0369a1;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success: #16a34a;
    --warning: #d97706;
    --gap-color: #fef3c7;
    --conflict-bg: #fee2e2;
    --scrollbar-track: #e5e5e5;
    --scrollbar-thumb: #a3a3a3;
    --view-border: #0f766e;
    --view-bg: rgba(15, 118, 110, 0.06);
    --layout-border: #6d28d9;
    --layout-bg: rgba(109, 40, 217, 0.06);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* === TOOLBAR === */
.toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.toolbar-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    margin-right: 16px;
    white-space: nowrap;
}

.toolbar-separator {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 4px;
}

.toolbar-author {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}

.toolbar-version {
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
    opacity: 0.7;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}
.btn-danger:hover:not(:disabled) {
    background: var(--danger-hover);
}

.btn-small {
    padding: 4px 10px;
    font-size: 12px;
}

#file-input {
    display: none;
}

/* === MAIN LAYOUT === */
.main-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* === SIDEBAR === */
.sidebar {
    width: 220px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

#type-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 6px 6px;
}

.type-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 2px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s;
}

.type-btn:hover {
    background: var(--bg-hover);
}

.type-btn.active {
    background: var(--bg-selected);
    color: var(--accent);
}

.type-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.type-count {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 24px;
    text-align: center;
}

.type-btn.active .type-count {
    background: var(--accent);
    color: #fff;
}

/* === CONTENT AREA === */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* === TABLE === */
#table-container {
    flex: 1;
    overflow: auto;
    padding: 0;
    position: relative;
}

.attr-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 13px;
}

.attr-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.attr-table th {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.attr-table th.sortable:hover {
    color: var(--accent);
}

.attr-table th.sort-asc::after {
    content: ' \u25B2';
    font-size: 10px;
}

.attr-table th.sort-desc::after {
    content: ' \u25BC';
    font-size: 10px;
}

/* Column resize handles */
.col-resize-handle {
    position: absolute;
    right: -2px;
    top: 0;
    bottom: 0;
    width: 5px;
    cursor: col-resize;
    z-index: 11;
}

.col-resize-handle:hover {
    background: var(--accent);
    opacity: 0.4;
}

body.col-resizing {
    cursor: col-resize !important;
    user-select: none !important;
}

body.col-resizing .col-resize-handle {
    background: var(--accent);
    opacity: 0.4;
}

.attr-row {
    cursor: pointer;
    transition: background 0.1s;
}

.attr-row:hover {
    background: var(--bg-hover);
}

.attr-row.selected {
    background: var(--bg-selected);
}

.attr-row.conflict {
    background: var(--conflict-bg);
}

.attr-row.readonly {
    opacity: 0.7;
}

.attr-row.dragging {
    opacity: 0.3;
}

.attr-row[draggable="true"] {
    cursor: grab;
}

.attr-row[draggable="true"]:active {
    cursor: grabbing;
}

/* Drag ghost */
.drag-ghost {
    position: absolute;
    top: -1000px;
    left: -1000px;
    padding: 6px 14px;
    background: var(--accent);
    color: #fff;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    pointer-events: none;
    z-index: 9999;
}

/* Drop indicator line */
.drop-indicator {
    position: absolute;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    pointer-events: none;
    z-index: 100;
    box-shadow: 0 0 6px var(--accent);
}

.drop-indicator::before,
.drop-indicator::after {
    content: '';
    position: absolute;
    top: -4px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
}

.drop-indicator::before {
    left: -5px;
}

.drop-indicator::after {
    right: -5px;
}

.attr-row td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cell-index {
    font-family: 'Consolas', 'Courier New', monospace;
    font-weight: 600;
    color: var(--accent);
    width: 60px;
}

.cell-name {
    max-width: 300px;
}

.cell-preview {
    padding: 2px 4px;
    vertical-align: middle;
    width: 170px;
}

.cell-preview svg {
    display: block;
    color: var(--text-primary);
}

.cell-surface-color {
    padding: 2px 4px;
    width: 40px;
    text-align: center;
}

.surface-color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 3px;
    border: 1px solid var(--border-color);
    display: inline-block;
    vertical-align: middle;
}

.cell-flags {
    color: var(--warning);
    font-size: 12px;
}

.cell-guid {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 11px;
    color: var(--text-muted);
    max-width: 200px;
}

.cell-translation {
    color: var(--accent);
    font-style: italic;
    max-width: 300px;
    cursor: text;
}
.cell-translation.placeholder-name {
    color: var(--text-muted);
}

.gap-row td {
    padding: 2px 12px;
    font-size: 11px;
    color: var(--text-muted);
    background: var(--gap-color);
    border-bottom: 1px solid var(--border-color);
    font-style: italic;
    text-align: center;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
    line-height: 1.6;
}

/* === EDITOR PANEL === */
/* Draggable divider between table and editor */
.content-divider {
    height: 5px;
    background: var(--border-color);
    cursor: ns-resize;
    flex-shrink: 0;
    position: relative;
    z-index: 12;
    transition: background 0.15s;
}
.content-divider:hover,
body.content-resizing .content-divider {
    background: var(--accent);
}
body.content-resizing {
    cursor: ns-resize !important;
    user-select: none !important;
}

#editor-container {
    height: 240px;
    min-height: 100px;
    border-top: none;
    background: var(--bg-secondary);
    overflow-y: auto;
    padding: 12px 16px;
    flex-shrink: 0;
}

/* Expand editor when composite builder is active */
#editor-container:has(.composite-editor) {
    height: 50vh;
    min-height: 300px;
    overflow: hidden;
}

.editor-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 14px;
}

.editor-form {
    max-width: 100%;
}

/* Header bar: title on left, action buttons on right */
.editor-header-bar {
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 16px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.editor-header {
    font-size: 15px;
    font-weight: 600;
    color: var(--accent);
    margin: 0;
    padding: 0;
    border: none;
}

/* Two-column body */
.editor-body {
    display: flex;
    gap: 24px;
}

.editor-fields {
    flex: 1;
    min-width: 0;
}

.editor-refs-col {
    width: 280px;
    flex-shrink: 0;
    overflow-y: auto;
    max-height: 140px;
}

.editor-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.editor-row label {
    width: 80px;
    font-size: 13px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.editor-input {
    flex: 1;
    max-width: 300px;
    padding: 6px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
}

.editor-input:focus {
    outline: none;
    border-color: var(--accent);
}

.editor-input[type="number"] {
    max-width: 100px;
}

.editor-select {
    padding: 6px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
}

.editor-info {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'Consolas', 'Courier New', monospace;
}

.guid-text {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-muted);
}

.editor-refs {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.editor-refs h4 {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.refs-list {
    list-style: none;
    padding: 0;
}

.refs-list li {
    font-size: 12px;
    color: var(--text-muted);
    padding: 2px 0;
}

.refs-list li::before {
    content: '\2192 ';
    color: var(--accent);
}

.editor-actions {
    display: flex;
    gap: 8px;
    margin: 0;
    padding: 0;
    border: none;
}

/* === INLINE EDIT === */
.inline-edit-input {
    width: 100%;
    padding: 2px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--accent);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
}

.placeholder-name {
    color: var(--text-muted);
    font-style: italic;
}

/* === CONTEXT MENU === */
#context-menu {
    display: none;
    position: fixed;
    z-index: 1000;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 0;
    min-width: 260px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.ctx-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ctx-item {
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.1s;
    flex: 1;
}

.ctx-item:hover {
    background: var(--bg-hover);
}

.ctx-insert {
    border-radius: 0;
}

.ctx-counter {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 4px 8px;
    flex-shrink: 0;
}

.ctx-btn-plus,
.ctx-btn-minus {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.1s;
    line-height: 1;
}

.ctx-btn-plus:hover,
.ctx-btn-minus:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.ctx-count {
    min-width: 24px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
}

.ctx-count-input {
    width: 48px;
    padding: 2px 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    font-family: 'Consolas', 'Courier New', monospace;
    -moz-appearance: textfield;
}

.ctx-count-input::-webkit-outer-spin-button,
.ctx-count-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.ctx-count-input:focus {
    outline: none;
    border-color: var(--accent);
}

.ctx-reposition-input {
    width: 64px;
    padding: 3px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: 'Consolas', 'Courier New', monospace;
    text-align: center;
    -moz-appearance: textfield;
}

.ctx-reposition-input::-webkit-outer-spin-button,
.ctx-reposition-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.ctx-reposition-input:focus {
    outline: none;
    border-color: var(--accent);
}

.ctx-btn-go {
    padding: 3px 10px;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 4px;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.ctx-btn-go:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.ctx-rename-section {
    padding: 6px 12px 8px;
    border-top: 1px solid var(--border-color);
}

.ctx-rename-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.ctx-rename-fields {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Pen copy/apply property checkboxes */
.ctx-pen-props-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
    padding: 4px 0;
}

.ctx-pen-props-row label {
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    user-select: none;
}

.ctx-pen-props-row input[type="checkbox"] {
    cursor: pointer;
    margin: 0;
}

.ctx-rename-input {
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
}

.ctx-rename-input:focus {
    border-color: var(--accent);
}

.ctx-rename-input:first-child {
    flex: 1;
    min-width: 0;
}

.ctx-rename-sep {
    width: 44px;
    text-align: center;
    flex-shrink: 0;
}

.ctx-danger {
    color: var(--danger);
}

.ctx-separator {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* === STATUS BAR === */
.status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
    flex-shrink: 0;
}

#status-conflicts {
    color: var(--success);
}

#status-conflicts.has-conflicts {
    color: var(--danger);
    font-weight: 600;
}

.status-disclaimer {
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0.7;
    font-style: italic;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* === MODAL === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    min-width: 400px;
    max-width: 500px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.modal h3 {
    font-size: 16px;
    color: var(--accent);
    margin-bottom: 16px;
}

.modal-body {
    margin-bottom: 20px;
}

.modal-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.modal-row label {
    min-width: 80px;
    font-size: 13px;
    color: var(--text-secondary);
}

.modal-info {
    font-size: 12px;
    color: var(--text-muted);
    margin: 8px 0;
    line-height: 1.6;
}

.modal-info strong {
    color: var(--accent);
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* Checkbox styling */
input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    margin-right: 4px;
}

/* === WELCOME STATE === */
.welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    gap: 12px;
}

.welcome h2 {
    color: var(--text-secondary);
    font-weight: 500;
}

.welcome p {
    font-size: 14px;
    line-height: 1.5;
}

.welcome .shortcut {
    font-family: 'Consolas', monospace;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 12px;
}

.welcome-features {
    display: flex;
    gap: 32px;
    margin-top: 8px;
    text-align: left;
    max-width: 900px;
}

.welcome-section {
    flex: 1;
    min-width: 0;
}

.welcome-section h4 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--accent);
    margin-bottom: 8px;
}

.welcome-shortcuts {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
}

.welcome-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    line-height: 1.7;
}

.welcome-list li::before {
    content: '\2022 ';
    color: var(--accent);
}

.welcome-list strong {
    color: var(--text-secondary);
}

/* === HELP BUTTON === */
.btn-help {
    width: 28px;
    height: 28px;
    padding: 0;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    line-height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-muted);
    border-color: var(--border-color);
}

.btn-help:hover:not(:disabled) {
    color: var(--accent);
    border-color: var(--accent);
}

/* === THEME TOGGLE BUTTON === */
.btn-theme-toggle {
    width: 28px;
    height: 28px;
    padding: 0;
    font-size: 16px;
    text-align: center;
    line-height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-muted);
    border-color: var(--border-color);
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}

.btn-theme-toggle:hover:not(:disabled) {
    color: var(--accent);
    border-color: var(--accent);
}

/* === LINKEDIN BUTTON === */
.btn-linkedin {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.btn-linkedin:hover {
    color: #fff;
    background: #0a66c2;
    border-color: #0a66c2;
}

/* === HELP MODAL === */
.help-modal {
    max-width: 680px;
    min-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.help-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-shrink: 0;
}

.help-modal-header h3 {
    margin: 0;
}

.help-modal-body {
    overflow-y: auto;
    padding-right: 8px;
}

.help-section {
    margin-bottom: 18px;
}

.help-section:last-child {
    margin-bottom: 0;
}

.help-section h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 6px;
}

.help-section p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.help-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-section ul li {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    padding-left: 14px;
    position: relative;
}

.help-section ul li::before {
    content: '\2022';
    color: var(--accent);
    position: absolute;
    left: 0;
}

.help-section ul li strong {
    color: var(--text-primary);
}

.help-section .shortcut {
    font-family: 'Consolas', monospace;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 12px;
}

.help-shortcuts {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* === PROTECTED LAYER === */
.attr-row.protected {
    background: rgba(108, 140, 255, 0.06);
}

.attr-row.protected .cell-index {
    color: var(--warning);
}

.attr-row.protected .cell-name::after {
    content: ' (protected)';
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
}

.attr-row.protected:hover {
    background: rgba(108, 140, 255, 0.1);
}

/* Context menu disabled item */
.ctx-disabled {
    opacity: 0.4;
    cursor: default !important;
    pointer-events: none;
}

/* Editor protection notice */
.editor-protected-notice {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    margin-bottom: 12px;
    background: rgba(255, 183, 77, 0.1);
    border: 1px solid rgba(255, 183, 77, 0.3);
    border-radius: 4px;
    font-size: 12px;
    color: var(--warning);
}

/* === MODE TABS === */
.mode-tabs {
    display: flex;
    gap: 2px;
    background: var(--bg-primary);
    border-radius: 6px;
    padding: 2px;
}

.mode-tab {
    padding: 4px 14px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.mode-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.mode-tab.active {
    background: var(--accent);
    color: #fff;
}

/* Mode-specific visibility */
.toolbar-attr-only {
    display: inline-flex;
}
.toolbar-prop-only {
    display: none;
}
.toolbar-projinfo-only {
    display: none;
}
.toolbar-pens-only {
    display: none;
}
.toolbar-class-only {
    display: none;
}

body.mode-properties .toolbar-attr-only {
    display: none !important;
}
body.mode-properties .toolbar-prop-only {
    display: inline-flex !important;
}

body.mode-projectinfo .toolbar-attr-only {
    display: none !important;
}
body.mode-projectinfo .toolbar-projinfo-only {
    display: inline-flex !important;
}

body.mode-pens .toolbar-attr-only {
    display: none !important;
}
body.mode-pens .toolbar-pens-only {
    display: inline-flex !important;
}

body.mode-classifications .toolbar-attr-only {
    display: none !important;
}
body.mode-classifications .toolbar-class-only {
    display: inline-flex !important;
}

body.mode-drawings .toolbar-attr-only,
body.mode-drawings .toolbar-prop-only,
body.mode-drawings .toolbar-projinfo-only,
body.mode-drawings .toolbar-pens-only,
body.mode-drawings #btn-open,
body.mode-drawings #file-input,
body.mode-drawings #btn-save,
body.mode-drawings .translate-select {
    display: none !important;
}
body.mode-drawings #sidebar {
    display: none !important;
}
body.mode-drawings .content-area {
    grid-template-columns: 1fr !important;
}

/* === PROPERTIES TABLE === */
.prop-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 13px;
}

.prop-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.prop-table th {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    user-select: none;
    white-space: nowrap;
}

.prop-row {
    cursor: pointer;
    transition: background 0.1s;
    user-select: none;
}

.prop-row:hover {
    background: var(--bg-hover);
}

.prop-row.selected {
    background: var(--bg-selected);
}

.prop-row td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cell-prop-name {
    max-width: 280px;
    font-weight: 500;
}

.cell-prop-type {
    color: var(--accent);
    font-size: 12px;
    font-family: 'Consolas', 'Courier New', monospace;
}

.cell-prop-valuetype {
    color: var(--warning);
    font-size: 12px;
}

.cell-prop-desc {
    color: var(--text-muted);
    font-size: 12px;
    max-width: 200px;
}

.cell-prop-classifications {
    color: var(--text-muted);
    font-size: 11px;
    max-width: 160px;
}

/* === CLASSIFICATIONS TREE TABLE === */
.classification-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 13px;
}

.classification-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.classification-table:focus {
    outline: none;
}

.classification-table th {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    user-select: none;
    white-space: nowrap;
}

.classification-row {
    cursor: pointer;
    transition: background 0.1s;
    user-select: none;
}

.classification-row:hover {
    background: var(--bg-hover);
}

.classification-row.selected {
    background: var(--bg-selected);
}

.classification-row td {
    padding: 5px 12px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cell-tree-toggle {
    width: 30px;
    text-align: left;
    padding-left: 4px !important;
}

.tree-toggle {
    cursor: pointer;
    font-size: 10px;
    color: var(--text-muted);
    user-select: none;
    display: inline-block;
    width: 14px;
    text-align: center;
}

.tree-toggle:hover {
    color: var(--accent);
}

.tree-spacer {
    display: inline-block;
}

.cell-classification-id {
    font-weight: 500;
}

.cell-classification-name,
.cell-classification-desc {
    color: var(--text-secondary);
}

.cell-classification-children {
    color: var(--text-muted);
    font-size: 11px;
    text-align: center;
}

/* Sidebar classification separator */
.sidebar-classification-header {
    padding: 10px 12px 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 8px;
}

/* Classification editor */
.classification-editor-form {
    max-width: 100%;
}

.classification-editor-form .form-group {
    margin-bottom: 12px;
}

.classification-editor-form .form-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.classification-editor-form input,
.classification-editor-form textarea {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
}

.classification-editor-form textarea {
    resize: vertical;
    min-height: 60px;
}

.classification-breadcrumb {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding: 6px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.classification-breadcrumb span {
    color: var(--text-secondary);
}

/* === PROPERTIES EDITOR === */
.prop-editor-form {
    max-width: 100%;
}

.prop-editor-body {
    display: flex;
    gap: 20px;
}

.prop-editor-left {
    flex: 1;
    min-width: 0;
}

.prop-editor-right {
    flex: 2;
    min-width: 280px;
    overflow-y: auto;
}

/* Enum values list */
.enum-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 100px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-primary);
}

.enum-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 8px;
    font-size: 12px;
    border-bottom: 1px solid var(--border-color);
}

.enum-item:last-child {
    border-bottom: none;
}

.enum-item-value {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.enum-item-key {
    color: var(--text-muted);
    font-size: 10px;
    font-family: 'Consolas', monospace;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.enum-item-remove {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 14px;
    padding: 0 2px;
    line-height: 1;
    opacity: 0.6;
}

.enum-item-remove:hover {
    opacity: 1;
}

.enum-add-row {
    display: flex;
    gap: 4px;
    margin-top: 4px;
}

.enum-add-input {
    flex: 1;
    min-width: 0;
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    outline: none;
}

.enum-add-input:focus {
    border-color: var(--accent);
}

/* Classification tags */
.classification-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    overflow-y: auto;
    padding: 4px 0;
}

.class-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.class-tag-remove {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 12px;
    padding: 0;
    line-height: 1;
    opacity: 0.6;
}

.class-tag-remove:hover {
    opacity: 1;
}

.class-add-row {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
}

.class-add-row .enum-add-input {
    flex: 1;
    min-width: 0;
}

.class-add-select {
    flex: 1;
    min-width: 0;
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    outline: none;
}

.class-add-select:focus {
    border-color: var(--accent);
}

/* Expression display */
.expression-text {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    word-break: break-all;
    max-height: 60px;
    overflow-y: auto;
}

/* Section labels in editor */
.prop-editor-section {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    margin: 10px 0 6px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-color);
}

.prop-editor-section:first-child {
    margin-top: 0;
}

/* === PROJECT INFO TABLE === */
.projinfo-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 13px;
}

.projinfo-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.projinfo-table th {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    user-select: none;
    white-space: nowrap;
}

.projinfo-row {
    cursor: pointer;
    transition: background 0.1s;
    user-select: none;
}

.projinfo-row:hover {
    background: var(--bg-hover);
}

.projinfo-row.selected {
    background: var(--bg-selected);
}

.projinfo-row td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cell-projinfo-name {
    font-weight: 500;
    max-width: 280px;
}

.cell-projinfo-value {
    color: var(--text-primary);
    max-width: 400px;
}

.cell-projinfo-dbkey {
    color: var(--text-muted);
    font-size: 12px;
    font-family: 'Consolas', 'Courier New', monospace;
    max-width: 200px;
}

/* === PROJECT INFO EDITOR === */
.projinfo-editor-form {
    max-width: 100%;
}

.projinfo-editor-body {
    display: flex;
    gap: 20px;
}

.projinfo-editor-left {
    flex: 1;
    min-width: 0;
}

.projinfo-editor-right {
    width: 300px;
    flex-shrink: 0;
}

.projinfo-info-text {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 8px;
}

.projinfo-autotext-note {
    font-size: 11px;
    color: var(--warning);
    line-height: 1.5;
    padding: 6px 10px;
    background: rgba(255, 183, 77, 0.08);
    border: 1px solid rgba(255, 183, 77, 0.2);
    border-radius: 4px;
    margin-top: 8px;
}

/* === PEN SWATCH GRID === */

/* In pens mode with swatch grid visible, table and grid sit side by side */
.content-area.with-swatch-grid {
    display: grid;
    grid-template-columns: 1fr 420px;
    grid-template-rows: 1fr auto auto;
    overflow: hidden;
}

.content-area.with-swatch-grid #table-container {
    grid-column: 1;
    grid-row: 1;
    overflow: auto;
}

.content-area.with-swatch-grid .pen-swatch-grid {
    grid-column: 2;
    grid-row: 1;
}

.content-area.with-swatch-grid .content-divider {
    grid-column: 1 / -1;
    grid-row: 2;
}

.content-area.with-swatch-grid #editor-container {
    grid-column: 1 / -1;
    grid-row: 3;
}

.pen-swatch-grid {
    overflow-y: auto;
    border-left: 2px solid var(--border-color);
    background: var(--bg-primary);
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pen-swatch-grid-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-align: center;
}

.pen-grid {
    display: grid;
    grid-template-columns: repeat(20, 1fr);
    gap: 1px;
    width: 100%;
}

.pen-grid-cell {
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
    position: relative;
}

.pen-grid-cell:hover {
    transform: scale(1.3);
    z-index: 5;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
    border-color: var(--text-primary);
}

.pen-grid-cell.selected {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
    z-index: 4;
}

.pen-grid-cell[title] {
    cursor: pointer;
}

/* Empty cells for grid padding (indices beyond 255) */
.pen-grid-cell.empty {
    background: transparent;
    border-color: transparent;
    cursor: default;
}
.pen-grid-cell.empty:hover {
    transform: none;
    box-shadow: none;
}

/* === PENS TABLE === */
.pens-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 13px;
}

.pens-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.pens-table th {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    user-select: none;
    white-space: nowrap;
}

.pen-row {
    cursor: pointer;
    transition: background 0.1s;
    user-select: none;
}

.pen-row:hover {
    background: var(--bg-hover);
}

.pen-row.selected {
    background: var(--bg-selected);
}

.pen-row td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cell-pen-color {
    width: 50px;
    text-align: center;
}

.pen-swatch {
    display: inline-block;
    width: 28px;
    height: 28px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    vertical-align: middle;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.cell-pen-name {
    font-weight: 500;
    max-width: 180px;
}

.cell-pen-width {
    color: var(--text-secondary);
    font-size: 12px;
    font-family: 'Consolas', 'Courier New', monospace;
}

.cell-pen-rgb {
    color: var(--text-muted);
    font-size: 12px;
    font-family: 'Consolas', 'Courier New', monospace;
}

.cell-pen-desc {
    color: var(--text-secondary);
    max-width: 300px;
}

/* === PENS EDITOR === */
.pens-editor-form {
    max-width: 100%;
}

.pens-editor-body {
    display: flex;
    gap: 20px;
}

.pens-editor-left {
    flex: 1;
    min-width: 0;
}

.pens-editor-right {
    width: 300px;
    flex-shrink: 0;
}

/* Color picker components */
.pens-color-row {
    margin-bottom: 4px;
}

.pens-color-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.pen-preview-swatch {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.pen-color-input {
    width: 48px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: none;
    cursor: pointer;
    flex-shrink: 0;
}

.pen-color-input::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.pen-color-input::-webkit-color-swatch {
    border-radius: 2px;
    border: none;
}

.pen-hex-input {
    max-width: 90px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    text-transform: uppercase;
}

/* RGB sliders */
.pens-slider-row {
    gap: 8px;
}

.pen-slider-label {
    min-width: 45px;
}

.pen-slider {
    flex: 1;
    min-width: 100px;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
}

.pen-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.pen-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.pen-slider-num {
    width: 55px;
    max-width: 55px;
    flex-shrink: 0;
    text-align: center;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12px;
}

/* Color picker popup (inline from table swatch) */
.pen-color-popup {
    z-index: 600;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    animation: penPopupIn 0.12s ease-out;
}

@keyframes penPopupIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.pen-popup-preview {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.pen-popup-color-input {
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: none;
    cursor: pointer;
    flex-shrink: 0;
}

.pen-popup-color-input::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.pen-popup-color-input::-webkit-color-swatch {
    border-radius: 2px;
    border: none;
}

.pen-popup-hex-input {
    width: 80px;
    padding: 6px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    text-transform: uppercase;
    outline: none;
}

.pen-popup-hex-input:focus {
    border-color: var(--accent);
}

.pen-popup-rgb {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'Consolas', 'Courier New', monospace;
    white-space: nowrap;
    min-width: 80px;
}

.pen-popup-apply {
    flex-shrink: 0;
}

.pen-swatch {
    cursor: pointer;
}

.pen-swatch:hover {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

/* === FIND & REPLACE BAR === */
.find-replace-bar {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.fr-fields {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.fr-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.fr-label {
    font-size: 12px;
    color: var(--text-muted);
    width: 52px;
    flex-shrink: 0;
    text-align: right;
}

.fr-input {
    flex: 1;
    min-width: 0;
    max-width: 360px;
    padding: 5px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
}

.fr-input:focus {
    border-color: var(--accent);
}

.fr-match-info {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 60px;
    text-align: center;
    white-space: nowrap;
}

.fr-btn {
    white-space: nowrap;
}

.fr-options {
    display: none; /* Options now inline in fr-row */
}

.fr-checkbox {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
}

.fr-close {
    font-size: 16px;
    padding: 2px 6px;
    line-height: 1;
}

/* Find & Replace highlights in table */
.attr-row.fr-match .cell-name,
.prop-row.fr-match .cell-prop-name,
.projinfo-row.fr-match .cell-projinfo-name,
.pen-row.fr-match .cell-pen-name {
    background: rgba(255, 183, 77, 0.15);
}

.attr-row.fr-current .cell-name,
.prop-row.fr-current .cell-prop-name,
.projinfo-row.fr-current .cell-projinfo-name,
.pen-row.fr-current .cell-pen-name {
    background: rgba(108, 140, 255, 0.25);
    outline: 1px solid var(--accent);
    outline-offset: -1px;
}

/* === RESPONSIVE: Sidebar toggle & close (hidden on desktop) === */
.btn-sidebar-toggle {
    display: none;
    font-size: 16px;
    padding: 4px 8px;
    flex-shrink: 0;
}

.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.sidebar-close-btn:hover {
    color: var(--text-primary);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* --- Tablet: <= 900px --- */
@media (max-width: 900px) {
    .sidebar {
        width: 180px;
    }

    .editor-refs-col {
        width: 220px;
    }

    .welcome-features {
        gap: 20px;
    }

    .toolbar-author,
    .toolbar-version {
        display: none;
    }
}

/* --- Small tablet / large phone: <= 768px --- */
@media (max-width: 768px) {
    /* Toolbar: wrap buttons */
    .toolbar {
        flex-wrap: wrap;
        padding: 6px 10px;
        gap: 6px;
    }

    .toolbar-sep-desktop {
        display: none;
    }

    .toolbar-separator {
        height: 20px;
    }

    .toolbar-title {
        margin-right: 8px;
        font-size: 13px;
    }

    .btn-sidebar-toggle {
        display: inline-flex;
    }

    /* Sidebar: overlay on mobile */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 260px;
        z-index: 500;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        border-right: 1px solid var(--border-color);
        box-shadow: none;
    }

    .sidebar.sidebar-open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
    }

    .sidebar-close-btn {
        display: block;
    }

    /* Editor: stack columns */
    .editor-body {
        flex-direction: column;
        gap: 12px;
    }

    .editor-refs-col {
        width: 100%;
        max-height: 120px;
    }

    #editor-container {
        height: auto;
        min-height: 160px;
        max-height: 300px;
    }

    .editor-header-bar {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* Editor input max-width */
    .editor-input {
        max-width: 100%;
    }

    /* Welcome: stack feature columns */
    .welcome-features {
        flex-direction: column;
        gap: 16px;
    }

    .welcome h2 {
        font-size: 20px;
    }

    /* Modals: full-width on small screens */
    .modal {
        min-width: auto;
        max-width: calc(100vw - 32px);
        margin: 16px;
    }

    .help-modal {
        min-width: auto;
        max-width: calc(100vw - 32px);
        max-height: 85vh;
    }

    /* Table cells: tighter padding */
    .attr-table th {
        padding: 6px 8px;
        font-size: 11px;
    }

    .attr-row td {
        padding: 5px 8px;
    }

    .cell-name {
        max-width: 200px;
    }

    .cell-guid {
        max-width: 140px;
    }

    /* Context menu: constrain to viewport */
    #context-menu {
        min-width: 240px;
        max-width: calc(100vw - 16px);
    }

    /* Find & Replace: stack */
    .find-replace-bar {
        flex-direction: column;
        gap: 8px;
        padding: 8px 10px;
    }

    .fr-input {
        max-width: none;
    }

    .fr-options {
        justify-content: space-between;
    }
}

/* Project Info responsive adjustments */
@media (max-width: 768px) {
    .projinfo-editor-body {
        flex-direction: column;
        gap: 12px;
    }

    .projinfo-editor-right {
        width: 100%;
    }

    .projinfo-table th {
        padding: 6px 8px;
        font-size: 11px;
    }

    .projinfo-row td {
        padding: 5px 8px;
    }

    .cell-projinfo-dbkey {
        display: none;
    }
}

/* Properties responsive adjustments */
@media (max-width: 768px) {
    .prop-editor-body {
        flex-direction: column;
        gap: 12px;
    }

    .prop-editor-right {
        width: 100%;
        max-height: 120px;
    }

    .prop-table th {
        padding: 6px 8px;
        font-size: 11px;
    }

    .prop-row td {
        padding: 5px 8px;
    }

    .cell-prop-desc,
    .cell-prop-classifications {
        display: none;
    }

    .mode-tabs {
        order: -1;
    }
}

/* Pens responsive adjustments */
@media (max-width: 768px) {
    .pens-editor-body {
        flex-direction: column;
        gap: 12px;
    }

    .pens-editor-right {
        width: 100%;
    }

    .pens-table th {
        padding: 6px 8px;
        font-size: 11px;
    }

    .pen-row td {
        padding: 5px 8px;
    }

    .cell-pen-rgb,
    .cell-pen-desc {
        display: none;
    }

    .pen-preview-swatch {
        width: 36px;
        height: 36px;
    }
}

/* --- Phone: <= 480px --- */
@media (max-width: 480px) {
    /* Toolbar: compact */
    .toolbar {
        padding: 6px 8px;
        gap: 4px;
    }

    .toolbar-title {
        font-size: 12px;
        margin-right: 4px;
    }

    .toolbar-separator {
        margin: 0 2px;
    }

    .btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    .btn-small {
        padding: 3px 7px;
        font-size: 11px;
    }

    /* Hide GUID column on phone */
    .cell-guid,
    .attr-table th:nth-child(4) {
        display: none;
    }

    /* Table cells even tighter */
    .attr-row td {
        padding: 4px 6px;
        font-size: 12px;
    }

    .attr-table th {
        padding: 5px 6px;
    }

    .cell-index {
        width: 45px;
    }

    .cell-name {
        max-width: 150px;
    }

    /* Editor */
    #editor-container {
        padding: 8px 10px;
        max-height: 260px;
    }

    .editor-header-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .editor-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .editor-row label {
        width: auto;
    }

    .editor-input {
        max-width: 100%;
        width: 100%;
    }

    .editor-input[type="number"] {
        max-width: 100%;
    }

    .editor-actions {
        flex-wrap: wrap;
    }

    /* Welcome */
    .welcome {
        padding: 16px;
        gap: 8px;
    }

    .welcome h2 {
        font-size: 18px;
    }

    .welcome p {
        font-size: 13px;
    }

    /* Status bar */
    .status-bar {
        padding: 4px 10px;
        font-size: 11px;
        flex-wrap: wrap;
        gap: 4px;
    }

    /* Context menu: full-width approach */
    #context-menu {
        min-width: 220px;
        max-width: calc(100vw - 12px);
    }

    .ctx-item {
        padding: 10px 12px;
        font-size: 14px;
    }

    .ctx-counter {
        padding: 4px 6px;
    }

    /* Modals */
    .modal {
        padding: 16px;
        max-width: calc(100vw - 16px);
    }

    .help-modal {
        max-height: 90vh;
    }

    .modal h3 {
        font-size: 15px;
    }
}

/* =============================================
   TRANSLATION CONTROLS
   ============================================= */

.translate-select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    outline: none;
}
.translate-select:hover {
    border-color: var(--accent);
}
.translate-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Translation Settings Modal */
.translate-settings-modal {
    max-width: 500px;
}

.translate-key-row {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 8px;
}

.translate-key-input {
    flex: 1;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 13px;
    font-family: 'Consolas', 'Courier New', monospace;
    outline: none;
}
.translate-key-input:focus {
    border-color: var(--accent);
}

.translate-key-status {
    font-size: 12px;
    min-height: 20px;
    padding: 4px 0;
}
.translate-key-status.success {
    color: var(--success, #22c55e);
}
.translate-key-status.error {
    color: var(--danger, #ef4444);
}
.translate-key-status.info {
    color: var(--text-muted);
}

.translate-setup-steps {
    margin: 8px 0;
    padding-left: 20px;
    font-size: 13px;
    line-height: 1.8;
}

.translate-note {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
    font-style: italic;
}

/* Save Translation Confirmation Modal */
.save-translate-modal {
    max-width: 400px;
}

.save-translate-buttons {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    justify-content: center;
}

/* Table translating overlay */
#table-container.translating {
    opacity: 0.5;
    pointer-events: none;
}

/* =============================================
   COMPOSITE BUILDER
   ============================================= */

.composite-editor {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.composite-top-fields {
    display: flex;
    gap: 10px;
    padding: 0 0 8px 0;
    flex-wrap: wrap;
    align-items: flex-end;
    flex-shrink: 0;
}

.composite-field-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.composite-field-group label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.composite-field-group .editor-input {
    width: 100%;
    min-width: 0;
}

.composite-field-group:first-child {
    flex: 1;
    min-width: 120px;
}

.composite-field-narrow {
    width: 64px;
    flex-shrink: 0;
}

.composite-flags-group {
    flex-shrink: 0;
}

.composite-flags-checks {
    display: flex;
    gap: 8px;
    align-items: center;
    height: 28px;
}

.composite-flag-label {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 12px !important;
    color: var(--text-primary) !important;
    text-transform: none !important;
    cursor: pointer;
    white-space: nowrap;
}

.composite-flag-label input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
}

.composite-total-thickness {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    line-height: 28px;
    white-space: nowrap;
}

/* Skins section */
.composite-skins-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.composite-skins-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    flex-shrink: 0;
}

.composite-skins-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.composite-skins-table {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.composite-skins-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    font-size: 13px;
}

/* Skin rows */
.comp-skin-row {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 6px;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
}

.comp-skin-row:last-child {
    border-bottom: none;
}

.comp-skin-header-row {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    position: sticky;
    top: 0;
    z-index: 1;
    padding: 4px 6px;
}

.comp-skin-col {
    display: flex;
    align-items: center;
    gap: 2px;
    overflow: hidden;
}

.comp-skin-num {
    width: 22px;
    flex-shrink: 0;
    justify-content: center;
    font-weight: 600;
    color: var(--text-muted);
}

.comp-skin-material {
    flex: 1;
    min-width: 0;
}

.comp-skin-thickness {
    width: 85px;
    flex-shrink: 0;
}

.comp-skin-type {
    width: 72px;
    flex-shrink: 0;
}

.comp-skin-pen {
    width: 90px;
    flex-shrink: 0;
}

.comp-skin-actions {
    width: 68px;
    flex-shrink: 0;
    justify-content: flex-end;
    gap: 2px;
}

/* Skin input controls */
.comp-skin-select {
    width: 100%;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 2px 3px;
    font-size: 11px;
    height: 24px;
}

.comp-skin-type-select {
    width: 100%;
}

.comp-skin-input {
    width: 100%;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 11px;
    height: 24px;
    box-sizing: border-box;
}

.comp-skin-pen-input {
    width: 100%;
}

.comp-skin-unit {
    font-size: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 2px;
}

/* Skin action buttons */
.comp-skin-btn {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    width: 20px;
    height: 20px;
    font-size: 9px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}

.comp-skin-btn:hover:not(:disabled) {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.comp-skin-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.comp-skin-btn-danger:hover:not(:disabled) {
    background: var(--danger);
    border-color: var(--danger);
}

/* Hover effect on data rows */
.comp-skin-row:not(.comp-skin-header-row):hover {
    background: var(--bg-tertiary);
}

/* ===================================================================
   COMPOSITE: Side Labels (Outside/Top, Inside/Bottom)
   =================================================================== */
/* ===================================================================
   COMPOSITE: Separator line rows (SkinFaceLine)
   =================================================================== */
.comp-sfl-row {
    display: flex;
    align-items: center;
    padding: 3px 8px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
    font-size: 11px;
}

.comp-sfl-label {
    color: var(--text-muted);
    min-width: 90px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-size: 10px;
}

.comp-sfl-pen-input {
    width: 52px;
}

.comp-same-pen-row {
    padding: 4px 8px;
    border-bottom: 1px solid var(--border-color);
}

.comp-same-pen-label {
    font-size: 11px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===================================================================
   COMPOSITE: Create New Composite Prompt
   =================================================================== */
.composite-create-row {
    padding: 4px 8px 4px 0;
    border-bottom: 1px solid var(--border-color);
}

.composite-create-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.composite-create-prompt span {
    font-size: 13px;
}

/* ===================================================================
   COMPOSITE: Searchable Material Combobox
   =================================================================== */
.comp-mat-combo {
    position: relative;
    width: 100%;
}

.comp-mat-input {
    width: 100%;
    padding: 3px 6px;
    font-size: 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    box-sizing: border-box;
}

.comp-mat-input:focus {
    outline: none;
    border-color: var(--accent);
}

.comp-mat-dropdown {
    position: fixed;
    max-height: 200px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 4px 4px;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.comp-mat-option {
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.comp-mat-option:hover {
    background: var(--bg-hover);
}

.comp-mat-option.selected {
    background: var(--bg-selected);
}

.comp-mat-no-match {
    color: var(--text-muted);
    font-style: italic;
    cursor: default;
}

/* ===================================================================
   COMPOSITE: Pen Picker with Swatch
   =================================================================== */
.comp-pen-wrapper {
    display: flex;
    align-items: center;
    gap: 4px;
}

.comp-pen-swatch {
    width: 18px;
    height: 18px;
    border-radius: 3px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    flex-shrink: 0;
}

.comp-pen-swatch:hover {
    border-color: var(--accent);
    box-shadow: 0 0 3px var(--accent);
}

.comp-skin-pen-input {
    width: 48px;
}

/* ===================================================================
   COMPOSITE: Pen Grid Popup
   =================================================================== */
.comp-pen-grid-popup {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px;
    z-index: 10000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.comp-pen-grid-title {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 6px;
}

.comp-pen-grid {
    display: grid;
    grid-template-columns: repeat(20, 14px);
    grid-template-rows: repeat(13, 14px);
    gap: 1px;
}

.comp-pen-grid-cell {
    width: 14px;
    height: 14px;
    border-radius: 2px;
    cursor: pointer;
    border: 1px solid transparent;
    box-sizing: border-box;
}

.comp-pen-grid-cell:hover {
    border-color: #fff;
    z-index: 1;
    transform: scale(1.3);
}

.comp-pen-grid-cell.selected {
    border-color: var(--accent);
    box-shadow: 0 0 4px var(--accent);
}

.comp-pen-grid-cell.empty {
    visibility: hidden;
}

/* ===================================================================
   COMPOSITE: Drag-to-reorder skins
   =================================================================== */
.comp-skin-drag-handle {
    cursor: grab;
    user-select: none;
}

.comp-skin-drag-handle:active {
    cursor: grabbing;
}

.comp-skin-dragging {
    opacity: 0.4;
}

.comp-skin-drop-above {
    border-top: 2px solid var(--accent) !important;
}

.comp-skin-drop-below {
    border-bottom: 2px solid var(--accent) !important;
}

/* ===================================================================
   DRAWINGS STRUCTURE GENERATOR
   =================================================================== */

.drawings-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    text-align: center;
}

.drawings-welcome h3 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 18px;
}

.drawings-welcome p {
    margin-bottom: 20px;
    font-size: 13px;
}

.drawings-welcome-actions {
    display: flex;
    gap: 10px;
}

/* Settings bar */
.dwg-settings {
    padding: 10px 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.dwg-settings-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dwg-settings-title {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.dwg-settings-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.dwg-select {
    padding: 3px 6px;
    font-size: 12px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
}

.dwg-input {
    padding: 3px 6px;
    font-size: 12px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
}

.dwg-prefix-input {
    width: 80px;
}

.dwg-checkbox-label {
    display: flex;
    align-items: center;
    gap: 3px;
    cursor: pointer;
    font-size: 12px;
}

.dwg-settings-actions {
    display: flex;
    gap: 6px;
    margin-left: auto;
}

/* Table */
.dwg-table-wrap {
    overflow: auto;
    max-height: 100%;
}

.dwg-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.dwg-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    padding: 6px 8px;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
}

.dwg-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

.dwg-table tbody tr:hover {
    background: var(--bg-hover);
}

.dwg-num {
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
    cursor: grab;
    user-select: none;
    width: 36px;
}

.dwg-num:active {
    cursor: grabbing;
}

.dwg-name-cell {
    display: flex;
    align-items: center;
}

.dwg-indent {
    flex-shrink: 0;
    display: inline-block;
}
.dwg-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: 10px;
    cursor: pointer;
    color: var(--text-secondary, #666);
    flex-shrink: 0;
    margin-right: 2px;
    border-radius: 3px;
    user-select: none;
}
.dwg-toggle:hover {
    color: var(--accent, #2680eb);
    background: var(--hover-bg, rgba(0,0,0,0.05));
}
.dwg-toggle-spacer {
    display: inline-block;
    width: 18px;
    flex-shrink: 0;
}
.dwg-type-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 16px;
    flex-shrink: 0;
    margin-right: 2px;
    opacity: 0.7;
}
.dwg-row-view .dwg-type-icon { color: var(--view-border, #6b7b8d); }
.dwg-row-layout .dwg-type-icon { color: var(--layout-border, #7b6b8d); }
.dwg-row:not(.dwg-row-view):not(.dwg-row-layout) .dwg-type-icon { color: var(--text-secondary, #666); }

.dwg-cell-input {
    width: 100%;
    padding: 4px 6px;
    font-size: 12px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid transparent;
    border-radius: 3px;
    box-sizing: border-box;
}

.dwg-cell-input:focus {
    background: var(--bg-secondary);
    border-color: var(--accent);
    outline: none;
}

.dwg-inline-id {
    width: 80px;
    max-width: 100px;
    flex-shrink: 0;
    text-align: right;
    margin-right: 4px;
    font-family: monospace;
    color: var(--accent);
    font-weight: 500;
    font-size: 11px;
}
.dwg-name-input {
    flex: 1;
    min-width: 80px;
}

.dwg-cell-select {
    width: 100%;
    padding: 3px 4px;
    font-size: 12px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid transparent;
    border-radius: 3px;
}

.dwg-cell-select:focus {
    background: var(--bg-secondary);
    border-color: var(--accent);
}

.dwg-row-view {
    background: var(--view-bg);
}
.dwg-row-view td:first-child {
    border-left: 3px solid var(--view-border);
}
.dwg-row-view .dwg-name-input,
.dwg-row-view .dwg-inline-id {
    font-weight: 600;
}
.dwg-row-layout {
    background: var(--layout-bg);
}
.dwg-row-layout td:first-child {
    border-left: 3px solid var(--layout-border);
}
.dwg-row-layout .dwg-name-input,
.dwg-row-layout .dwg-inline-id {
    font-weight: 600;
}
.dwg-row.dwg-selected {
    background: var(--selected-bg, rgba(38, 128, 235, 0.12)) !important;
}
.dwg-row.dwg-selected td {
    border-color: var(--accent, #2680eb);
}

.dwg-dragging {
    opacity: 0.4;
}

.dwg-drop-above {
    border-top: 2px solid var(--accent) !important;
}

.dwg-drop-below {
    border-bottom: 2px solid var(--accent) !important;
}

.dwg-drop-into {
    background: color-mix(in srgb, var(--accent) 15%, transparent) !important;
    outline: 2px dashed var(--accent);
    outline-offset: -2px;
}

/* Context menu */
.dwg-ctx-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 0;
    min-width: 160px;
    z-index: 10000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.dwg-ctx-item {
    padding: 6px 14px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
}

.dwg-ctx-item:hover {
    background: var(--bg-hover);
}

.dwg-ctx-danger {
    color: var(--danger);
}

.dwg-ctx-danger:hover {
    background: var(--danger);
    color: white;
}

.dwg-ctx-sep {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* Insert stepper row in context menu */
.dwg-ctx-insert-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 10px;
    gap: 8px;
    font-size: 12px;
    color: var(--text-primary);
}
.dwg-ctx-insert-label {
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 11px;
}
.dwg-ctx-stepper {
    display: flex;
    align-items: center;
    gap: 2px;
}
.dwg-ctx-stepper-btn {
    width: 22px;
    height: 22px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.dwg-ctx-stepper-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}
.dwg-ctx-stepper-input {
    width: 28px;
    height: 22px;
    text-align: center;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--accent);
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
}
.dwg-ctx-stepper-go {
    width: 22px;
    height: 22px;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: white;
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 2px;
}
.dwg-ctx-stepper-go:hover {
    opacity: 0.85;
}

/* Split panel layout for Views / Layouts */
.dwg-split-wrap {
    display: flex;
    gap: 12px;
    width: 100%;
    min-height: 200px;
}

.dwg-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    overflow: hidden;
    min-width: 0;
}

.dwg-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.dwg-panel-title {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.dwg-panel-views .dwg-panel-title {
    color: var(--view-border);
}

.dwg-panel-layouts .dwg-panel-title {
    color: var(--layout-border);
}

.dwg-panel-header-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

.dwg-panel-add-item,
.dwg-panel-add-subset {
    font-size: 11px;
    padding: 2px 8px;
}

.dwg-panel-export {
    font-size: 11px;
    padding: 2px 8px;
}

.dwg-panel-body {
    flex: 1;
    overflow: auto;
    max-height: 60vh;
}

.dwg-panel-body table {
    width: 100%;
}

.dwg-panel-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: var(--text-muted);
    font-style: italic;
    font-size: 13px;
}

/* Confirm popup (styled like context menu) */
.dwg-confirm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.dwg-confirm-popup {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px 20px;
    min-width: 280px;
    max-width: 380px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    font-size: 13px;
}

.dwg-confirm-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.dwg-confirm-message {
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.4;
}

.dwg-confirm-input {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 13px;
    margin-bottom: 14px;
    outline: none;
    box-sizing: border-box;
}

.dwg-confirm-input:focus {
    border-color: var(--accent);
}

.dwg-confirm-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.dwg-confirm-btn {
    padding: 5px 14px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s;
}

.dwg-confirm-btn:hover {
    background: var(--bg-hover);
}

.dwg-confirm-btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.dwg-confirm-btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.dwg-confirm-btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.dwg-confirm-btn-danger:hover {
    background: var(--danger-hover);
    border-color: var(--danger-hover);
}

/* Subset settings popup */
.dwg-subset-settings-popup {
    min-width: 300px;
    max-width: 420px;
}

.dwg-subset-settings {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.dwg-subset-settings-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dwg-subset-settings-row label {
    white-space: nowrap;
    font-size: 12px;
}

.dwg-subset-settings-row input[type="checkbox"] {
    margin: 0;
}

.dwg-subset-settings-custom {
    padding-left: 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dwg-subset-settings-preview {
    font-family: monospace;
    color: var(--text-muted);
    font-size: 0.85em;
    padding: 4px 0;
}

/* Custom ID settings indicator on folder rows */
.dwg-settings-indicator {
    font-size: 0.75em;
    opacity: 0.5;
    margin-right: 4px;
    cursor: pointer;
    flex-shrink: 0;
}

.dwg-settings-indicator:hover {
    opacity: 1;
}

.dwg-row-custom-id {
    position: relative;
}

/* Drawings mode: expand editor to full width for settings */
body.mode-drawings #editor-container {
    max-height: none;
    min-height: 0;
    overflow: visible;
}