/* ===========================================
   BIM CHECKER - IFC VIEWER STYLES
   Styles specific to IFC Multi-File Viewer
   =========================================== */

/* Upload Section */
.upload-section {
    padding: 40px;
    background: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
}

.upload-area {
    border: 3px dashed #667eea;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: #764ba2;
    background: #f8f9ff;
}

.upload-icon { font-size: 4em; color: #667eea; margin-bottom: 20px; }
.upload-text { font-size: 1.2em; color: #495057; margin-bottom: 10px; }

#fileInput { display: none; }

.file-list {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.file-card {
    background: white;
    border: 2px solid #667eea;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 600;
    color: #667eea;
    margin-bottom: 5px;
}

.file-stats {
    font-size: 0.85em;
    color: #6c757d;
}

.file-remove {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 0.9em;
}

.file-remove:hover {
    background: #c82333;
}

/* Controls */
.controls {
    padding: 20px 40px;
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    display: none;
}

/* Column Manager */
.column-manager {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-top: 15px;
    display: none;
}

#psetList {
    max-height: 600px;
    overflow-y: auto;
    position: relative;
}

.pset-group {
    background: white;
    border: 2px solid #667eea;
    border-radius: 8px;
    margin-bottom: 15px;
    padding: 15px;
}

.pset-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: #e8eaff;
    border-radius: 6px;
    margin-bottom: 10px;
    cursor: move;
}

.pset-group-header:hover {
    background: #d5d7ff;
}

.pset-group.dragging {
    opacity: 0.5;
}

.prop-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    margin-left: 20px;
    background: #f8f9fa;
    border-radius: 4px;
    margin-bottom: 5px;
    cursor: move;
}

.prop-item:hover {
    background: #e9ecef;
}

.prop-item.dragging {
    opacity: 0.5;
}

.drag-handle {
    cursor: grab;
    color: #6c757d;
}

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

/* Table Container */
.table-container {
    padding: 0 40px 40px 40px;
    overflow-x: auto;
    display: none;
}

/* Pagination */
.pagination-container {
    padding: 20px 40px;
    background: #f8f9fa;
    display: none;
    align-items: center;
    justify-content: space-between;
    border-top: 2px solid #e9ecef;
}

.pagination-info {
    color: #495057;
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.pagination-controls button {
    padding: 8px 16px;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.pagination-controls button:hover:not(:disabled) {
    background: #667eea;
    color: white;
}

.pagination-controls button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-controls select {
    padding: 8px 12px;
    border: 2px solid #dee2e6;
    border-radius: 6px;
    font-size: 1em;
    background: white;
}

.page-input-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.page-input-group input {
    width: 60px;
    padding: 8px;
    border: 2px solid #dee2e6;
    border-radius: 6px;
    text-align: center;
}

.page-input-group button {
    padding: 8px 12px;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.data-table th {
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85em;
    white-space: nowrap;
    border-right: 1px solid rgba(255,255,255,0.2);
    left: unset; /* Explicitly prevent left positioning unless overridden */
}

.data-table th.sticky-col,
.data-table td.sticky-col {
    position: sticky !important;
    background: white;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.data-table thead th.sticky-col {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 20;
}

.data-table thead .header-row-prop th.sticky-col {
    background: linear-gradient(135deg, #5568d3 0%, #6640a2 100%);
    z-index: 20;
}

.data-table tbody td.sticky-col {
    background: white;
    z-index: 5;
}

.data-table tbody tr:hover td.sticky-col {
    background-color: #f8f9ff;
}

/* Normal cells should NOT have position relative - causes issues */
.data-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #e9ecef;
    border-right: 1px solid #f0f0f0;
    font-size: 0.95em;
    left: unset; /* Explicitly prevent left positioning unless overridden */
}

.lock-icon {
    cursor: pointer;
    margin-left: 5px;
    font-size: 0.9em;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.lock-icon:hover {
    opacity: 1;
}

.lock-icon.locked {
    opacity: 1;
    color: #ffd700;
}

.data-table .header-row-pset {
    /* Removed sticky positioning that was causing issues */
}

.data-table .header-row-prop {
    background: linear-gradient(135deg, #5568d3 0%, #6640a2 100%);
}

/* Only sticky headers get position sticky */
.data-table .header-row-pset th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.data-table .header-row-prop th {
    position: sticky;
    top: 38px;
    z-index: 10;
    background: linear-gradient(135deg, #5568d3 0%, #6640a2 100%);
}

/* Horizontally sticky columns - two-axis sticky (both top and left) */
.data-table .header-row-pset th.sticky-col,
.data-table .header-row-prop th.sticky-col {
    z-index: 20 !important;
    /* left is set inline via JavaScript */
}

/* Non-sticky columns in body should not stick horizontally */
.data-table tbody td:not(.sticky-col) {
    position: static; /* Override any inherited positioning */
}

.data-table .pset-header {
    text-align: center;
    font-size: 0.9em;
    text-transform: uppercase;
    font-weight: 700;
    white-space: nowrap;
}

.data-table .pset-header.sticky-col {
    min-width: 120px;
}

.data-table .prop-header {
    font-size: 0.8em;
    font-weight: 500;
}

.data-table tbody tr:hover {
    background-color: #f8f9ff;
}

.file-badge {
    display: inline-block;
    padding: 4px 10px;
    background: #667eea;
    color: white;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 600;
    cursor: help;
}

.guid-cell {
    font-family: 'Courier New', monospace;
    color: #667eea;
    font-weight: 600;
    font-size: 0.85em;
}

.entity-badge {
    display: inline-block;
    padding: 4px 10px;
    background: #e8eaff;
    color: #667eea;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 600;
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    display: none;
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.progress-container {
    width: 100%;
    max-width: 500px;
    margin: 20px auto;
    background: #f3f3f3;
    border-radius: 10px;
    overflow: hidden;
    height: 30px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 0%;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9em;
}

.loading-status {
    margin-top: 15px;
    color: #666;
    font-size: 0.95em;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* File Colors */
.file-color-0 { background: #667eea !important; }
.file-color-1 { background: #f093fb !important; }
.file-color-2 { background: #4facfe !important; }
.file-color-3 { background: #43e97b !important; }
.file-color-4 { background: #fa709a !important; }
.file-color-5 { background: #feca57 !important; }

/* Edit Mode Styles */
.edit-mode .data-table td.editable {
    cursor: pointer;
    position: relative;
}

.edit-mode .data-table td.editable:hover {
    background: #fff3cd !important;
    outline: 2px solid #ffc107;
}

.data-table td input.cell-editor {
    width: 100%;
    padding: 8px;
    border: 2px solid #667eea;
    border-radius: 4px;
    font-size: 0.95em;
}

.edit-panel {
    display: none;
    padding: 20px 40px;
    background: #fff3cd;
    border-bottom: 2px solid #ffc107;
    border-top: 2px solid #ffc107;
}

.edit-panel.active {
    display: block;
}

.edit-panel-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.selected-count {
    font-weight: 700;
    color: #667eea;
    font-size: 1.1em;
}

.checkbox-cell {
    text-align: center;
    width: 40px;
}

.checkbox-cell input {
    cursor: pointer;
    width: 18px;
    height: 18px;
}

/* Modal for adding PSet/Property */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
}

.modal-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px 30px;
    border-radius: 12px 12px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.6em;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5em;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-body {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2d3748;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.95em;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 2px solid #e9ecef;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-warning {
    background: #ffc107;
    color: #000;
}

.btn-warning:hover {
    background: #e0a800;
}

.modified-cell {
    background: #d4edda !important;
    border-left: 3px solid #28a745;
}

/* Spatial Tree Panel */
.spatial-tree-panel {
    position: fixed;
    left: -500px;  /* Wider panel - hidden */
    top: 0;
    width: 500px;  /* Wider default */
    height: 100vh;
    background: white;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    transition: left 0.3s ease;
    z-index: 900;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    resize: horizontal;  /* Allow horizontal resizing */
    max-width: 900px;
    min-width: 350px;
}

.spatial-tree-panel.open {
    left: 0;
}

.spatial-tree-header {
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #e9ecef;
}

.spatial-tree-header h3 {
    margin: 0;
    font-size: 1.3em;
}

.spatial-tree-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 1.5em;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
}

.spatial-tree-close:hover {
    background: rgba(255,255,255,0.3);
}

.spatial-tree-content {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
}

.spatial-tree-info {
    padding: 20px;
    text-align: center;
    color: #6c757d;
    font-style: italic;
}

/* Tree nodes */
.tree-node {
    margin: 2px 0;
}

.tree-node-header {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
    user-select: none;
}

.tree-node-header:hover {
    background: #f8f9fa;
}

.tree-node-header.active {
    background: #e7f3ff;
    border-left: 3px solid #667eea;
}

.tree-node-toggle {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 5px;
    font-size: 0.8em;
    color: #6c757d;
}

.tree-node-toggle.collapsed::before {
    content: '▶';
}

.tree-node-toggle.expanded::before {
    content: '▼';
}

.tree-node-toggle.leaf {
    visibility: hidden;
}

.tree-node-icon {
    margin-right: 8px;
    font-size: 1.1em;
}

.tree-node-label {
    flex: 1;
    font-size: 0.95em;
    color: #2d3748;
}

.tree-node-type {
    font-size: 0.75em;
    color: #6c757d;
    margin-left: 5px;
}

.tree-node-count {
    font-size: 0.8em;
    color: white;
    background: #667eea;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 8px;
}

.tree-node-children {
    margin-left: 25px;
    display: none;
}

.tree-node-children.expanded {
    display: block;
}

/* File selector in tree */
.tree-file-selector {
    margin-bottom: 15px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
}

.tree-file-selector label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: #2d3748;
}

.tree-file-selector select {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    background: white;
    font-size: 0.95em;
}

/* Overlay when panel is open */
.spatial-tree-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 899;
}

.spatial-tree-overlay.visible {
    display: block;
}

/* Spatial filter indicator in search input */
#searchInput.spatial-filter-active {
    background: linear-gradient(to right, #e7f3ff 0%, white 100%);
    border-color: #667eea;
    font-weight: 600;
    color: #2d3748;
}