:root {
  --primary-color: #000000;
  --text-primary: #000000;
  --text-secondary: #555555;
  --background-primary: #ffffff;
  --background-secondary: #f8f8f8;
  --border-color: #333333;
  --border-light: #e0e0e0;
  --sidebar-left-width: 320px;
  --sidebar-right-width: 380px;
  --header-height: 48px;
  --status-bar-height: 28px;
  --transition-base: 0.3s ease;
  --radius-sm: 4px;
  --radius-md: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--background-primary); color: var(--text-primary); }

/* Header */
.header { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); padding: 0 var(--spacing-md); border-bottom: 1px solid var(--border-color); background: var(--background-primary); z-index: 100; position: relative; gap: var(--spacing-md); }
.header-left, .header-right { display: flex; align-items: center; gap: var(--spacing-sm); flex: 0 0 auto; }
.header-title { text-align: center; flex: 1 1 auto; min-width: 0; }
.header-title h1 { font-size: 14px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; }
.header-title .subtitle { font-size: 11px; font-weight: 300; color: var(--text-secondary); }
.header-toggle-btn { background: none; border: 1px solid var(--border-color); width: 36px; height: 36px; cursor: pointer; font-size: 16px; border-radius: var(--radius-sm); flex: 0 0 auto; }
.header-export-btn { font-size: 15px; }
.header-export-btn:hover { background: var(--background-secondary); }
/* Print / export feature is WORK IN PROGRESS — hidden from the UI for now.
   Remove this rule once the feature is ready to ship. */
#export-btn { display: none !important; }
.header-logo { display: inline-flex; align-items: center; height: 36px; padding: 0 var(--spacing-xs); border-radius: var(--radius-sm); transition: background 0.15s; }
.header-logo:hover { background: var(--background-secondary); }
.header-logo img { height: 32px; width: auto; display: block; object-fit: contain; }

/* Main layout: dual sidebars */
.main-content { display: grid; grid-template-columns: var(--sidebar-left-width) 1fr var(--sidebar-right-width); height: calc(100vh - var(--header-height)); transition: grid-template-columns 0.25s ease; }
.main-content.left-collapsed { grid-template-columns: 0 1fr var(--sidebar-right-width); }
.main-content.right-collapsed { grid-template-columns: var(--sidebar-left-width) 1fr 0; }
.main-content.left-collapsed.right-collapsed { grid-template-columns: 0 1fr 0; }
.main-content.left-collapsed .sidebar-left,
.main-content.right-collapsed .sidebar-right { overflow: hidden; border: none; }

/* Sidebars */
.sidebar { overflow-y: auto; border-right: 1px solid var(--border-light); background: var(--background-primary); }
.sidebar-right { border-right: none; border-left: 1px solid var(--border-light); }
.sidebar-content { padding: var(--spacing-md); }
.sidebar-title { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: var(--spacing-md); padding-bottom: var(--spacing-sm); border-bottom: 1px solid var(--border-light); }
.sidebar-close { display: none; }

/* Map */
.map-container { position: relative; }
#map { width: 100%; height: 100%; }

/* Loading spinner */
.loading { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(255,255,255,0.9); z-index: 500; }
.loading.hidden { display: none; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--border-light); border-top-color: var(--primary-color); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Mobile controls */
.mobile-controls { display: none; }

/* Modals */
.modal { display: none; position: fixed; inset: 0; z-index: 10000; background: rgba(0,0,0,0.5); align-items: center; justify-content: center; }
.modal.active { display: flex; }
.modal-content { background: var(--background-primary); border-radius: var(--radius-md); max-width: 90vw; max-height: 90vh; overflow-y: auto; padding: var(--spacing-lg); position: relative; }
.modal-close { position: absolute; top: var(--spacing-sm); right: var(--spacing-sm); background: none; border: none; font-size: 24px; cursor: pointer; }

/* Buttons */
.btn { padding: var(--spacing-sm) var(--spacing-md); border: 1px solid var(--border-color); border-radius: var(--radius-sm); cursor: pointer; font-family: 'Inter', sans-serif; font-size: 13px; }
.btn-primary { background: var(--primary-color); color: var(--background-primary); }

/* Mobile responsive */
@media (max-width: 768px) {
  /* Ignore desktop collapse classes on mobile (they would break the single-column grid) */
  .main-content,
  .main-content.left-collapsed,
  .main-content.right-collapsed,
  .main-content.left-collapsed.right-collapsed { grid-template-columns: 1fr; }
  .sidebar { position: fixed; top: 0; bottom: 0; width: 100%; z-index: 1000; transform: translateX(-100%); transition: transform var(--transition-base); }
  .sidebar.active { transform: translateX(0); }
  .sidebar-right { transform: translateX(100%); }
  .sidebar-right.active { transform: translateX(0); }
  .sidebar-close { display: block; position: absolute; top: var(--spacing-sm); right: var(--spacing-sm); background: none; border: none; font-size: 24px; cursor: pointer; z-index: 10; }
  .mobile-controls { display: flex; gap: var(--spacing-sm); padding: var(--spacing-sm) var(--spacing-md); background: var(--background-primary); border-bottom: 1px solid var(--border-light); }
  .mobile-toggle-btn { flex: 1; padding: var(--spacing-sm); border: 1px solid var(--border-color); background: none; cursor: pointer; font-size: 13px; border-radius: var(--radius-sm); }
  .header-toggle-btn { display: none; }
  .header-logo img { height: 26px; }
  .header-logo { padding: 0; }
  .header-title h1 { font-size: 12px; }
  .header-title .subtitle { font-size: 10px; }
}

/* Legend Panel */
/* ========================================================================
   Right sidebar nesting hierarchy
   ─────────────────────────────────────────────────────────────────────────
   Three visually distinct levels:
     L1  Project Info / Reference Maps / Legend     (top sections)
     L2  Topography / Lithology / Coastal / ...     (environment subgroups
                                                      inside the legend)
     L3  Inselberg / Sand dune / Cave / ...         (legend rows)
   ======================================================================== */

/* ── Level 1: top-level collapsible sections ────────────────────────────── */
/* The outline wraps the WHOLE group (toggle + items), so it grows when
   expanded and shrinks when collapsed. */
.legend-group {
    margin-bottom: 10px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--background-primary);
    transition: border-color 0.15s;
}
.legend-group:hover { border-color: #c8c8c8; }

.legend-group-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: 9px 12px;
    background: var(--background-secondary);
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    text-align: left;
    border-radius: 0;
    transition: background 0.15s;
}
.legend-group-toggle:hover { background: #eef0f2; }
/* When a TOP-LEVEL group is open, separate the header from its content
   with a hairline. Scoped to direct .legend-group children of the right
   sidebar so it doesn't apply to L2 subgroups inside the legend. */
#credits-panel > .legend-group > .legend-group-toggle[aria-expanded="true"] {
    border-bottom: 1px solid var(--border-light);
}
.legend-group-arrow {
    font-size: 9px;
    transition: transform 0.2s;
    display: inline-block;
    width: 10px;
    color: var(--text-secondary);
}
.legend-group-toggle[aria-expanded="true"] .legend-group-arrow { transform: rotate(90deg); }
.legend-group-label { flex: 1; }
.legend-group-label-gr {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 10px;
    letter-spacing: 0.4px;
    text-transform: none;
}
.legend-group-items {
    padding: 8px 12px 10px 12px;
}
.legend-group-items.collapsed { display: none; }

/* ── Flat legend (the map key) ───────────────────────────────────────────── */
/* The legend lives directly in #legend-panel with NO outer outlined box.
   Outlined L1 boxes are reserved for collapsible Project Info / Reference
   Maps. Environment groups are quiet section headings, not toggles. */
.legend-flat {
    padding: 0;
    margin: 0;
}
.legend-title {
    margin: 4px 0 14px 0;
    padding: 0 0 8px 0;
    border-bottom: 2px solid var(--text-primary);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--text-primary);
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.legend-title-gr {
    font-weight: 400;
    font-size: 13px;
    color: var(--text-secondary);
}
.legend-section {
    margin: 0 0 10px 0;
}
.legend-section + .legend-section {
    border-top: 1px solid var(--border-light);
    padding-top: 8px;
}
.legend-section-title {
    margin: 0 0 4px 0;
    padding: 0;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    display: flex;
    align-items: baseline;
    gap: 6px;
}
.legend-section-title-gr {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0.2px;
    font-size: 9px;
    opacity: 0.8;
}
.legend-section-items {
    padding: 0;
}
.legend-item { display: flex; align-items: center; gap: var(--spacing-sm); padding: 3px 0; font-size: 11px; }
.legend-swatch { width: 24px; height: 20px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.legend-swatch img { width: 20px; height: 20px; object-fit: contain; }
.swatch-rect { display: inline-block; width: 20px; height: 14px; border-radius: 2px; }
.legend-label { flex: 1; }
.legend-label-gr { color: var(--text-secondary); font-size: 10px; }

/* Credits */
/* Project Info — card-based design */
.credits-section { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.project-card { background: var(--background-secondary); border: 1px solid var(--border-light); border-radius: var(--radius-sm); padding: var(--spacing-md); }
.project-title-card { background: var(--primary-color); color: #fff; border-color: var(--primary-color); text-align: center; }
.project-title-card .project-card-title { font-size: 13px; font-weight: 600; letter-spacing: 0.3px; }
.project-title-card .project-card-title-gr { font-size: 12px; font-weight: 300; opacity: 0.85; margin-top: 2px; }
.project-title-card .project-card-sheet { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; opacity: 0.7; margin-top: var(--spacing-sm); padding-top: var(--spacing-sm); border-top: 1px solid rgba(255,255,255,0.2); }
.project-card-label { font-size: 9px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text-secondary); margin-bottom: var(--spacing-xs); }
.project-card-body { font-size: 11px; line-height: 1.5; color: var(--text-primary); }
.project-inst-list { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.project-inst-row { display: flex; flex-direction: column; gap: 2px; }
.project-inst-role { font-size: 9px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; color: var(--text-secondary); }
.project-inst-name { font-size: 11px; color: var(--text-primary); line-height: 1.4; }
.project-team-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--spacing-xs); }
.project-team-list li { display: flex; flex-direction: column; padding: var(--spacing-xs) 0; border-bottom: 1px dashed var(--border-light); }
.project-team-list li:last-child { border-bottom: none; }
.team-name { font-size: 11px; font-weight: 500; color: var(--text-primary); }
.team-role { font-size: 10px; color: var(--text-secondary); font-weight: 300; }
.project-meta { text-align: center; font-size: 10px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; padding: var(--spacing-sm) 0; }

/* Landmark labels on map */
.landmark-label { font-size: 11px; font-weight: 500; color: #333; text-shadow: 1px 1px 2px white, -1px -1px 2px white; white-space: nowrap; }

/* Layer Controls */
.layer-group-section { margin-bottom: var(--spacing-sm); }
.layer-group-section { margin-bottom: var(--spacing-xs); }
.layer-group-header { display: flex; align-items: center; gap: var(--spacing-xs); padding: var(--spacing-sm); background: var(--background-secondary); border-radius: var(--radius-sm); cursor: pointer; font-size: 12px; font-weight: 600; border: 1px solid var(--border-light); }
.layer-group-header:hover { background: #eef0f2; }
.group-checkbox { margin: 0; }
.group-label { flex: 1; }
.group-label-gr { color: var(--text-secondary); font-weight: 400; font-size: 11px; }
.group-chevron { font-size: 10px; transition: transform 0.2s; }
.layer-group-header.expanded .group-chevron { transform: rotate(90deg); }
.layer-group-layers { padding: var(--spacing-xs) 0 var(--spacing-sm) var(--spacing-md); }
.layer-group-layers.collapsed { display: none; }
.layer-toggle {
    display: grid;
    grid-template-columns: 16px 1fr auto auto;
    align-items: center;
    column-gap: var(--spacing-xs);
    row-gap: 0;
    padding: 4px var(--spacing-xs);
    cursor: pointer;
    font-size: 11px;
    border-radius: var(--radius-sm);
}
.layer-toggle:hover { background: var(--background-secondary); }
.layer-toggle .entry-checkbox { grid-column: 1; grid-row: 1 / span 2; margin: 0; align-self: center; }
.layer-toggle .layer-name {
    grid-column: 2;
    font-size: 11px;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.layer-toggle .layer-name-gr {
    grid-column: 2;
    grid-row: 2;
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.layer-minzoom-hint {
    grid-column: 3;
    grid-row: 1 / span 2;
    font-size: 9px;
    color: #c08800;
    background: #fff8e0;
    border: 1px solid #f0d68a;
    border-radius: 999px;
    padding: 1px 6px;
    white-space: nowrap;
    font-weight: 500;
    letter-spacing: 0.2px;
    align-self: center;
}
.layer-minzoom-hint.is-user-rule {
    color: #1a4d8a;
    background: #e7f1ff;
    border-color: #b3d4fb;
}
.layer-rule-btn {
    grid-column: 4;
    grid-row: 1 / span 2;
    align-self: center;
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    width: 22px;
    height: 22px;
    padding: 0;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
    transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.layer-rule-btn:hover {
    background: var(--background-primary);
    border-color: var(--border-light);
    color: var(--text-primary);
}
.layer-toggle.has-min-zoom .layer-name { color: var(--text-secondary); }
.layer-checkbox { margin: 0; }
/* .layer-name flex rule removed — layer-toggle is now a grid */

/* ========================================================================
   Scale rule editor popup
   ======================================================================== */
.scale-rule-modal .modal-content.scale-rule-content {
    max-width: 380px;
    width: calc(100vw - 24px);
    padding: 22px 22px 18px;
    border-radius: var(--radius-md);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.scale-rule-content .modal-close {
    position: absolute;
    top: 6px;
    right: 10px;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-secondary);
    cursor: pointer;
}
.scale-rule-content .modal-close:hover { color: var(--text-primary); }
.scale-rule-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 4px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.scale-rule-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0 0 12px 0;
}
.scale-rule-help {
    font-size: 11px;
    line-height: 1.5;
    color: var(--text-secondary);
    margin: 0 0 14px 0;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}
.scale-rule-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.scale-rule-row {
    display: grid;
    grid-template-columns: 1fr 80px auto;
    align-items: center;
    column-gap: 10px;
}
.scale-rule-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-primary);
}
.scale-rule-input {
    padding: 6px 8px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: inherit;
    text-align: center;
}
.scale-rule-input:focus { outline: none; border-color: var(--primary-color); }
.scale-rule-now {
    padding: 5px 10px;
    background: var(--background-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.scale-rule-now:hover { background: var(--background-primary); color: var(--text-primary); }
.scale-rule-source,
.scale-rule-zoom {
    font-size: 11px;
    color: var(--text-secondary);
    margin: 4px 0 0 0;
}
.scale-rule-zoom { font-style: italic; }
.scale-rule-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
    flex-wrap: wrap;
}
.scale-rule-footer .btn {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
}
.scale-rule-footer .btn-secondary {
    background: var(--background-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.scale-rule-footer .btn-secondary:hover { background: var(--background-secondary); }
.scale-rule-footer .btn-primary {
    background: var(--primary-color);
    color: #fff;
    border: 1px solid var(--primary-color);
}
.scale-rule-footer .btn-primary:hover { background: #333; }

/* Search */
.search-section { margin-bottom: var(--spacing-md); }
.search-input { width: 100%; padding: var(--spacing-sm); border: 1px solid var(--border-light); border-radius: var(--radius-sm); font-size: 12px; font-family: inherit; }
.search-input:focus { outline: none; border-color: var(--border-color); }
.search-results { margin-top: var(--spacing-xs); max-height: 300px; overflow-y: auto; }
.search-results.hidden { display: none; }
.search-result-item { padding: var(--spacing-sm); cursor: pointer; font-size: 11px; border-bottom: 1px solid var(--border-light); }
.search-result-item:hover { background: var(--background-secondary); }
.search-result-type { font-size: 10px; color: var(--text-secondary); }

/* Welcome modal */
/* ========================================================================
   Welcome modal — minimalist, mobile-first, no images larger than 28px
   ======================================================================== */
.welcome-modal .modal-content.welcome-content {
    max-width: 480px;
    width: calc(100vw - 24px);
    max-height: calc(100vh - 24px);
    padding: 28px 28px 24px;
    text-align: left;
    overflow-y: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}
.welcome-content .modal-close {
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 22px;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
}
.welcome-content .modal-close:hover { color: var(--text-primary); }

.welcome-content .welcome-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 4px 0 4px 0;
}
.welcome-content .welcome-logos img {
    height: 22px;
    width: auto;
    object-fit: contain;
    opacity: 0.8;
}

.welcome-title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
    margin: 0 0 4px 0;
    text-align: center;
    letter-spacing: 0.2px;
}
.welcome-title-gr {
    font-size: 13px;
    font-weight: 300;
    color: var(--text-secondary);
    text-align: center;
    margin: 0 0 16px 0;
    letter-spacing: 0.2px;
}
.welcome-lede {
    font-size: 12px;
    line-height: 1.55;
    color: var(--text-secondary);
    text-align: center;
    margin: 0 0 18px 0;
    padding: 0 4px;
}

.welcome-section {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
}
.welcome-section-label {
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
/* SINGLE column so the citation order reads unambiguously top-to-bottom. */
.welcome-team {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
}
.welcome-team li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 4px 0;
    border-bottom: 1px dashed var(--border-light);
}
.welcome-team li:last-child { border-bottom: none; }
.welcome-team-name {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.3;
}
.welcome-team-role {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.2;
}
.welcome-cite {
    font-size: 10px;
    line-height: 1.5;
    color: var(--text-secondary);
    margin: 0;
}
.welcome-cite em { color: var(--text-primary); font-style: italic; }

.welcome-enter {
    display: block;
    width: 100%;
    margin-top: 22px;
    padding: 12px 18px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.4px;
    cursor: pointer;
    transition: background 0.15s;
}
.welcome-enter:hover { background: #333; }

@media (max-width: 480px) {
    .welcome-modal .modal-content.welcome-content {
        padding: 22px 18px 18px;
        max-height: 100vh;
        height: auto;
    }
    .welcome-title { font-size: 16px; }
    .welcome-lede { font-size: 11px; }
}

/* Feature details */
/* Feature detail modal */
#feature-modal .modal-content {
    width: 420px;
    max-width: 90vw;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    text-align: left;
}
.feature-detail-layer-chip { display: inline-block; font-size: 9px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text-secondary); background: var(--background-secondary); border: 1px solid var(--border-light); border-radius: 999px; padding: 3px 10px; margin-bottom: var(--spacing-sm); }
.feature-detail-title { font-size: 18px; font-weight: 600; margin: 0 0 var(--spacing-xs) 0; line-height: 1.3; padding-right: var(--spacing-lg); }
.feature-detail-subtitle { font-size: 14px; color: var(--text-secondary); margin: 0; font-weight: 300; }
.feature-detail-subtitle:not(:last-child) { margin: 0 0 var(--spacing-md) 0; padding-bottom: var(--spacing-md); border-bottom: 1px solid var(--border-light); }
.feature-detail-props { display: grid; grid-template-columns: max-content 1fr; gap: var(--spacing-sm) var(--spacing-md); font-size: 12px; margin: var(--spacing-sm) 0 var(--spacing-md); }
.feature-detail-props dt { font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.3px; font-size: 10px; padding-top: 2px; }
.feature-detail-props dd { margin: 0; color: var(--text-primary); font-size: 12px; }
.feature-detail-info { font-size: 12px; line-height: 1.6; padding-top: var(--spacing-sm); border-top: 1px solid var(--border-light); margin-top: var(--spacing-sm); }
.feature-detail-info strong { display: block; margin-bottom: var(--spacing-xs); color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.3px; font-size: 10px; }
.feature-detail-info p { margin: 0; color: var(--text-primary); }

/* Modal positioning fix */
.modal-content { position: relative; }
.modal-close { position: absolute; top: 8px; right: 12px; background: none; border: none; font-size: 24px; cursor: pointer; z-index: 10; color: var(--text-secondary); }
.modal-close:hover { color: var(--text-primary); }

/* Inset reference maps in right sidebar */
.inset-maps-section {
  margin: var(--spacing-md) 0;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}
.inset-map {
  margin-bottom: var(--spacing-md);
  text-align: center;
}
.inset-map img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
}

/* ========================================================================
   Export workflow — Step 1 (Area Selection) modal
   ======================================================================== */

.export-area-modal .modal-content {
    max-width: 460px;
    width: 90vw;
    padding: var(--spacing-lg);
}
.export-area-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 var(--spacing-xs) 0;
    padding-right: var(--spacing-lg);
}
.export-area-sub {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
}
.export-area-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}
.export-area-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.export-area-option:hover:not(.disabled) {
    background: var(--background-secondary);
    border-color: var(--border-color);
}
.export-area-option input[type="radio"] { margin: 0; }
.export-area-option-text { font-size: 13px; font-weight: 500; }
.export-area-option-gr { font-size: 11px; color: var(--text-secondary); font-weight: 300; }
.export-area-option-hint { margin-left: auto; font-size: 10px; color: var(--text-secondary); font-style: italic; }
.export-area-option.disabled { opacity: 0.5; cursor: not-allowed; }

.export-area-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

/* Shared button variants used by multiple export modals */
.btn-secondary {
    background: var(--background-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: var(--background-secondary); }
.btn-primary:hover { background: #333; }

/* Draw-on-map sub-options inside the Step-1 modal */
.export-draw-subopts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-left: 2px solid var(--border-light);
}
.export-draw-subopt {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 12px;
    cursor: pointer;
}
.export-draw-subopt-gr {
    font-size: 10px;
    color: var(--text-secondary);
}

/* Floating banner shown while the user is drawing on the map */
.export-draw-banner {
    position: fixed;
    top: calc(var(--header-height) + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: #ff6600;
    color: #fff;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    pointer-events: none;
}

/* ========================================================================
   Export workflow — Step 2 (Layout Designer) modal
   ======================================================================== */

.export-designer-modal {
    padding: 0;
    align-items: stretch;
    justify-content: stretch;
}
.export-designer-content {
    width: 100vw;
    max-width: 100vw;
    max-height: 100vh;
    height: 100vh;
    background: var(--background-primary);
    display: flex;
    flex-direction: column;
    border-radius: 0;
    padding: 0;
    overflow: hidden;
}
.export-designer-topbar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    background: var(--background-secondary);
}
.export-designer-title {
    flex: 1;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.export-designer-body {
    display: grid;
    grid-template-columns: 260px 1fr 280px;
    flex: 1;
    min-height: 0;
}
.export-designer-left,
.export-designer-right {
    overflow-y: auto;
    padding: var(--spacing-md);
    background: var(--background-primary);
}
.export-designer-left  { border-right: 1px solid var(--border-light); }
.export-designer-right { border-left: 1px solid var(--border-light); }
.export-designer-center {
    background: #e0e0e0;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}
.export-preview {
    display: flex;
    align-items: center;
    justify-content: center;
}
.export-preview-sheet {
    background: #fff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    position: relative;
    flex-shrink: 0;
}

.export-el {
    position: absolute;
    border: 1px dashed rgba(0, 0, 0, 0.25);
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.1s;
}
.export-el:hover { border-color: #007aff; }
.export-el.selected { border: 2px solid #007aff; }
.export-el-inner {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    text-align: center;
}
.export-el-map-placeholder {
    background: #f5f5f5;
    color: #999;
    font-size: 14px;
}
.export-el-legend-placeholder {
    background: #fafafa;
    color: #666;
    font-size: 12px;
    border: 1px dashed #ccc;
}

/* Editor panels */
.export-designer-left h4,
.export-designer-right h4 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin: var(--spacing-md) 0 var(--spacing-sm) 0;
}
.export-designer-left h4:first-child,
.export-designer-right h4:first-child { margin-top: 0; }

.export-designer-hint {
    font-size: 11px;
    color: var(--text-secondary);
    font-style: italic;
}
.export-editor-type {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}
.export-editor-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: var(--spacing-sm);
}
.export-editor-field span {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 500;
}
.export-editor-field input,
.export-editor-field select {
    padding: 5px 8px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: inherit;
    background: #fff;
}
.export-editor-field input:focus,
.export-editor-field select:focus {
    outline: none;
    border-color: var(--primary-color);
}
.export-editor-posgrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}
.export-editor-btns {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}
.btn-danger {
    background: #c22;
    color: #fff;
    border: 1px solid #a11;
    padding: 5px 10px;
    font-size: 11px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.btn-danger:hover { background: #a11; }

.export-designer-section {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin: var(--spacing-md) 0 var(--spacing-sm) 0;
}
.export-filename-preview {
    padding: var(--spacing-sm);
    background: var(--background-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-family: 'SFMono-Regular', Menlo, monospace;
    font-size: 10px;
    color: var(--text-primary);
    word-break: break-all;
    margin-top: var(--spacing-xs);
}
.export-element-toggles {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}
.export-element-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 12px;
    cursor: pointer;
}
.export-element-toggle input { margin: 0; }

/* Resize handle (bottom-right) on selected elements in the layout preview */
.export-el-resize {
    position: absolute;
    right: -4px;
    bottom: -4px;
    width: 12px;
    height: 12px;
    background: #007aff;
    border: 2px solid #fff;
    border-radius: 2px;
    cursor: nwse-resize;
    z-index: 2;
}

/* ========================================================================
   Layout Designer — mobile responsive (<= 768px)
   ======================================================================== */
@media (max-width: 768px) {
    .export-designer-body {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto auto;
    }
    .export-designer-left,
    .export-designer-right {
        border: none;
        border-top: 1px solid var(--border-light);
        max-height: 40vh;
    }
    .export-designer-center { order: 1; padding: var(--spacing-sm); }
    .export-designer-right  { order: 2; }
    .export-designer-left   { order: 3; }
    .export-designer-topbar { flex-wrap: wrap; }
    .export-designer-topbar .btn {
        flex: 1 1 auto;
        padding: 6px 10px;
        font-size: 11px;
    }
    .export-designer-title {
        flex: 1 1 100%;
        order: -1;
        padding: 4px 0;
    }
}

/* ========================================================================
   Export — loading overlay + error toast
   ======================================================================== */
.export-loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 11000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.export-loading-box {
    background: #fff;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    min-width: 220px;
}
.export-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.export-loading-text {
    font-size: 12px;
    color: var(--text-primary);
    font-weight: 500;
}
.export-error-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: #c22;
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 11100;
    max-width: 90vw;
    text-align: center;
    transition: opacity 0.5s;
}
.export-error-toast.fade-out { opacity: 0; }