/* Right Sidebar: Properties */
#properties-sidebar { width: var(--sidebar-right-width); background: var(--bg-panel); border-left: 1px solid var(--border); display: flex; flex-direction: column; overflow: hidden; }
.panel-empty { padding: 40px; text-align: center; color: var(--text-muted); font-size: 13px; }

/* Right Panes (4-section layout) */
.right-pane {
    display: flex;
    flex-direction: column;
    flex: 2;
    min-height: 0;
    overflow: hidden;
}
#pane-page-scripts:not(.pane-collapsed),
#pane-data-sections:not(.pane-collapsed) { flex: 1; }
.right-pane.pane-collapsed { flex: 0 0 auto; min-height: 0; }
.right-pane .pane-content { flex: 1; overflow-y: auto; min-height: 0; }
.right-pane.pane-collapsed .pane-content { display: none; }

/* Scrollbar styling for pane content */
.right-pane .pane-content::-webkit-scrollbar { width: 6px; background: transparent; }
.right-pane .pane-content::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
.right-pane .pane-content { scrollbar-width: thin; scrollbar-color: var(--scrollbar-thumb) transparent; }

/* Pane toggle button */
.pane-toggle-btn {
    background: none; border: none; color: var(--text-muted);
    cursor: pointer; font-size: 12px; padding: 2px 4px; line-height: 1;
}
.pane-toggle-btn:hover { color: var(--text-main); background: var(--hover-bg-strong); border-radius: 3px; }

#properties-scroll-area { flex: 1; overflow-y: auto; min-height: 0; display: flex; flex-direction: column; }
#properties-scroll-area::-webkit-scrollbar { width: 6px; background: transparent; }
#properties-scroll-area::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

#properties-content { padding: 15px; }
#properties-content.hidden { display: none; }

/* Constrain image previews inside the properties sidebar */
#properties-content img,
#attr-src-wrap img {
    max-width: 100%;
    max-height: 120px;
    object-fit: contain;
    display: block;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--props-img-bg);
    margin-top: 6px;
}

.selected-badge { background: var(--bg-dark); padding: 8px; border-radius: var(--radius); margin-bottom: 15px; border: 1px solid var(--border); font-family: monospace; font-size: 12px; display: flex; justify-content: space-between; }
#selected-tag { color: var(--accent); font-weight: bold; }

.prop-group { margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 15px; }
.prop-group:last-child { border-bottom: none; }
.group-title { font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px; font-weight: 600; }

.prop-grid { display: grid; gap: 10px; }
.prop-grid.two-col { grid-template-columns: 1fr 1fr; }

.input-wrap { display: flex; flex-direction: column; gap: 4px; }
.input-wrap label { font-size: 11px; color: var(--text-muted); }
.input-wrap input[type="text"], .input-wrap select { background: var(--input-bg); border: 1px solid var(--border); color: var(--text-main); padding: 6px; border-radius: var(--radius); font-size: 12px; width: 100%; }
.input-wrap input:focus, .input-wrap select:focus { outline: none; border-color: var(--accent); }

.input-group-row { display: flex; gap: 5px; }
.btn-icon-small { padding: 0 8px; font-size: 12px; min-width: 30px; }
.code-input { font-family: monospace; color: #ce9178 !important; }
.color-picker-wrap { display: flex; gap: 5px; }
.color-picker-wrap input[type="color"] { width: 30px; height: 30px; border: none; background: none; padding: 0; cursor: pointer; }

.btn-group { display: flex; background: var(--input-bg); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; }
.btn-group button { flex: 1; background: none; border: none; color: var(--text-muted); padding: 5px; cursor: pointer; font-size: 10px; border-right: 1px solid var(--border); }
.btn-group button:last-child { border-right: none; }
.btn-group button.active { background: var(--accent); color: white; }

.box-model-ui { display: flex; flex-direction: column; align-items: center; gap: 5px; background: var(--bg-dark); padding: 10px; border-radius: var(--radius); }
.box-model-ui input { width: 40px; text-align: center; font-size: 10px; background: transparent; border: 1px dashed var(--box-border-dim); color: var(--text-main); padding: 2px; }
.box-model-ui input:focus { border-color: var(--accent); outline: none; background: var(--box-focus-bg); }
.input-row { display: flex; gap: 5px; align-items: center; width: 100%; justify-content: center; }
.inner-box { border: 1px solid var(--box-border); padding: 5px; border-radius: 2px; display: flex; flex-direction: column; align-items: center; width: 100%; margin: 0 5px; position: relative; }
.content-box { width: 30px; height: 20px; background: var(--content-box-bg); border: 1px solid var(--box-border-dim); }
.box-label { font-size: 9px; color: var(--box-border-dim); margin-bottom: 2px; }

/* DOM Tree Styles */
.dom-tree-tag { color: var(--accent); }
.dom-tree-meta { color: var(--text-muted); margin-left: 5px; }
.dom-tree-toggle {
    display: inline-block;
    width: 12px;
    font-size: 9px;
    color: var(--text-muted);
    flex-shrink: 0;
    text-align: center;
    cursor: default;
    user-select: none;
}
.dom-tree-toggle:not(:empty) { cursor: pointer; }
.dom-tree-toggle:not(:empty):hover { color: var(--text-main); }
.dom-tree-children.collapsed { display: none; }
.tree-item-selected { background-color: rgba(0, 122, 204, 0.4) !important; border-left: 2px solid var(--accent); }
.tree-item-selected .dom-tree-tag { color: #fff; font-weight: bold; }
.tree-item-selected .dom-tree-meta { color: #eee; }

/* DOM Tree drag indicators */
.tree-item-dragging { opacity: 0.35 !important; }
.tree-item-drag-before { border-top: 2px solid var(--accent) !important; background: rgba(0, 122, 204, 0.06); }
.tree-item-drag-after { border-bottom: 2px solid var(--accent) !important; background: rgba(0, 122, 204, 0.06); }
.tree-item-drag-inside { background: rgba(0, 122, 204, 0.15) !important; outline: 1px dashed var(--accent); outline-offset: -1px; }

/* Class Manager Styles */
.classes-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    min-height: 10px;
}

.class-tag {
    background-color: var(--class-tag-bg);
    border: 1px solid var(--class-tag-border);
    color: var(--class-tag-text);
    padding: 3px 8px 3px 12px;
    border-radius: 9999px;
    font-size: 12px;
    font-family: monospace;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    user-select: none;
}

.class-tag:hover {
    border-color: var(--accent);
    background-color: var(--class-tag-hover-bg);
}

.class-tag .remove-class {
    cursor: pointer;
    color: #94a3b8;
    font-weight: bold;
    font-size: 14px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    transition: background 0.1s, color 0.1s;
}

.class-tag .remove-class:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
}

.btn-text-action {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    border-radius: 4px;
}

.btn-text-action:hover {
    background: rgba(0, 122, 204, 0.1);
}

.btn-text-action:active {
    transform: translateY(1px);
}

/* Data Attribute Manager Styles */
.data-attr-container {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 10px;
}

.data-attr-row {
    display: flex;
    gap: 5px;
    align-items: center;
}

.data-attr-row input {
    flex: 1;
    min-width: 0;
    padding: 4px 6px;
    font-size: 11px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: var(--radius);
}

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

.btn-remove-attr {
    color: #ef4444;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
    padding: 0 5px;
    line-height: 1;
    opacity: 0.7;
}

.btn-remove-attr:hover {
    opacity: 1;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 3px;
}

/* Data Sections Pane */
#data-sections-panel {
    padding: 12px 15px;
}

.data-section-add-wrap {
    margin-bottom: 10px;
}

.data-sections-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.data-section-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-dark);
    padding: 8px;
}

.data-section-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.data-section-name {
    font-size: 12px;
    color: var(--accent);
    font-family: monospace;
    word-break: break-all;
}

.data-inline-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-inline-action {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    border-radius: 4px;
    font-size: 10px;
    line-height: 1;
    padding: 3px 6px;
    cursor: pointer;
}

.btn-inline-action:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}

.btn-inline-danger:hover {
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.45);
    background: rgba(239, 68, 68, 0.12);
}

.data-category-add-row {
    margin-bottom: 8px;
}

.data-categories-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.data-category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 4px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.03);
}

.data-category-name {
    font-size: 11px;
    color: var(--text-main);
    font-family: monospace;
    word-break: break-all;
}

/* Page Links Panel */
#page-links-panel {
    padding: 12px 15px;
}

.page-links-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.page-links-subheader {
    margin-top: 12px;
    margin-bottom: 8px;
}

.page-links-section {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.page-link-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 12px;
}

.page-link-item:hover {
    background: var(--bg-dark);
}

.page-link-icon {
    flex-shrink: 0;
    font-size: 13px;
    cursor: pointer;
}

.page-link-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary, var(--text-muted));
    font-family: monospace;
    font-size: 11px;
    cursor: pointer;
}

.page-link-name:hover,
.page-link-icon:hover {
    color: var(--accent);
}

.page-link-item-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

.btn-page-link {
    flex-shrink: 0;
    border: none;
    border-radius: 3px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.btn-page-link-move {
    background: transparent;
    color: var(--text-muted);
    font-size: 10px;
}

.btn-page-link-move:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}

.btn-page-link-add {
    background: var(--accent);
    color: white;
}

.btn-page-link-add:hover {
    opacity: 0.85;
}

.btn-page-link-remove {
    background: transparent;
    color: #ef4444;
    font-size: 14px;
}

.btn-page-link-remove:hover {
    background: rgba(239, 68, 68, 0.15);
}

.btn-page-link:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn-page-link:disabled:hover {
    background: transparent;
}

.panel-empty-small {
    color: var(--text-muted);
    font-size: 11px;
    padding: 4px 0;
    text-align: center;
}

/* Class Autocomplete */
.class-autocomplete-wrap {
    position: relative;
}

.class-autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 2px;
    display: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.class-autocomplete-dropdown::-webkit-scrollbar { width: 6px; background: transparent; }
.class-autocomplete-dropdown::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
.class-autocomplete-dropdown { scrollbar-width: thin; scrollbar-color: var(--scrollbar-thumb) transparent; }

.class-autocomplete-item {
    padding: 5px 10px;
    font-size: 12px;
    font-family: monospace;
    cursor: pointer;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.class-autocomplete-item:hover,
.class-autocomplete-item.active {
    background: var(--accent);
    color: white;
}

.class-autocomplete-item.active .match-highlight,
.class-autocomplete-item:hover .match-highlight {
    color: #ffe066;
}

.class-autocomplete-item .match-highlight {
    color: var(--accent);
    font-weight: bold;
}

.autocomplete-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.autocomplete-badge {
    flex-shrink: 0;
    font-size: 9px;
    font-weight: 600;
    padding: 1px 5px;
    border-radius: 3px;
    letter-spacing: 0.3px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.badge-tw {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-css {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.class-autocomplete-item:hover .badge-tw,
.class-autocomplete-item.active .badge-tw {
    background: rgba(56, 189, 248, 0.3);
    color: #e0f2fe;
}

.class-autocomplete-item:hover .badge-css,
.class-autocomplete-item.active .badge-css {
    background: rgba(168, 85, 247, 0.3);
    color: #f3e8ff;
}

/* Page Settings & SEO Pane */
#pane-page-seo:not(.pane-collapsed) { flex: 1; }
#seo-panel { padding: 12px 15px; }
#seo-panel textarea {
    background: var(--input-bg); border: 1px solid var(--border);
    color: var(--text-main); padding: 6px; border-radius: var(--radius);
    font-size: 12px; width: 100%; resize: vertical; font-family: inherit;
    box-sizing: border-box;
}
#seo-panel textarea:focus { outline: none; border-color: var(--accent); }

/* Quick Elements Bar */
#quick-elements-bar {
    flex-shrink: 0;
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
    background: var(--sidebar-header-bg);
}
.qe-items {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}
.qe-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 7px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: grab;
    font-size: 10px;
    color: var(--text-muted);
    user-select: none;
    transition: border-color 0.15s, color 0.15s, box-shadow 0.15s;
    position: relative;
}
.qe-item:hover {
    border-color: var(--accent);
    color: var(--text-main);
    box-shadow: 0 0 0 1px var(--accent);
}
.qe-item:active {
    cursor: grabbing;
    transform: scale(0.97);
}
.qe-item svg {
    flex-shrink: 0;
    stroke: currentColor;
}
.qe-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.qe-has-dropdown {
    cursor: grab;
}
.qe-arrow {
    font-size: 8px;
    margin-left: 1px;
    opacity: 0.6;
    cursor: pointer;
}
.qe-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    min-width: 60px;
    padding: 4px 0;
}
.qe-dropdown.open {
    display: block;
}
.qe-dropdown-item {
    padding: 5px 12px;
    font-size: 12px;
    color: var(--text-muted);
    cursor: grab;
    white-space: nowrap;
    user-select: none;
    transition: background 0.1s, color 0.1s;
}
.qe-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}
.qe-dropdown-item:active {
    cursor: grabbing;
}
/* Grid dropdown */
.qe-grid-config {
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 120px;
}
.qe-grid-row {
    display: flex;
    align-items: center;
    gap: 6px;
}
.qe-grid-row label {
    font-size: 11px;
    color: var(--text-muted);
    width: 32px;
}
.qe-grid-row input {
    width: 50px;
    padding: 3px 6px;
    font-size: 11px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: var(--radius);
    text-align: center;
}
.qe-grid-row input:focus {
    outline: none;
    border-color: var(--accent);
}