/* ── Global font override ── */
body, button, select, input {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

:root {
--mobile-panel-height: 40vh;
}

/* ── Top header bar (full-width, like CVI) ── */
#top-header {
position: fixed;
top: 0; left: 0; right: 0;
height: 52px;
background: #fff;
border-bottom: 1px solid #e2e8f0;
z-index: 9000;
display: flex;
align-items: center;
padding: 0 18px;
box-shadow: 0 1px 6px rgba(0,0,0,.08);
}
#top-header .header-title {
font-size: 15px;
font-weight: 700;
color: #1a2533;
letter-spacing: -.2px;
}
#top-header .header-divider {
width: 1px; height: 22px;
background: #e2e8f0;
margin: 0 14px;
}
#top-header .header-sub {
font-size: 12px;
color: #64748b;
font-weight: 400;
}
#top-header .header-right {
margin-left: auto;
display: flex;
align-items: center;
gap: 10px;
min-width: 0;
justify-content: flex-end;
}
#tutorial-btn {
display: flex;
align-items: center;
gap: 6px;
padding: 6px 12px;
background: #1e40af;
color: #fff;
border: none;
border-radius: 6px;
font-size: 12px;
font-weight: 600;
cursor: pointer;
transition: background .15s;
white-space: nowrap;
flex: 0 0 auto;
height: 30px;
box-sizing: border-box;
line-height: 1;
}
#tutorial-btn:hover { background: #1d3a9e; }
#tutorial-btn .tutorial-label-short { display: none; }
#top-header .header-badge {
font-size: 11px;
color: #94a3b8;
letter-spacing: .3px;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}

#contact-btn {
display: flex;
align-items: center;
gap: 6px;
padding: 6px 12px;
background: #dde0e2;
color: #000000;
border: none;
border-radius: 6px;
font-size: 12px;
font-weight: 600;
cursor: pointer;
transition: background .15s;
white-space: nowrap;
flex: 0 0 auto;
height: 30px;
box-sizing: border-box;
line-height: 1;
}
#contact-btn:hover { background: #d9dbde; }


/* ── Right panel (PANEL NAVIGATION style) ── */
#ctrl-panel {
position: fixed;
top: 52px;
right: 0;
width: 280px;
bottom: 0;
background: #fff;
border-left: 1px solid #e2e8f0;
font-family: 'Inter', sans-serif;
z-index: 8900;
overflow-y: auto;
overflow-x: hidden;
color: #1a2533;
display: flex;
flex-direction: column;
}
#panel-resize-handle {
display: none;
}

/* ── Panel header ── */
#ctrl-panel .panel-header {
padding: 14px 16px 10px;
border-bottom: 1px solid #e2e8f0;
}
#ctrl-panel .panel-header h2 {
margin: 0;
font-size: 10px;
font-weight: 700;
letter-spacing: 1.2px;
text-transform: uppercase;
color: #94a3b8;
}

/* ── Tabs ── */
#ctrl-panel .tab-row {
display: flex;
border-bottom: 1px solid #e2e8f0;
background: #f8fafc;
}
#ctrl-panel .tab-btn {
flex: 1;
padding: 9px 4px;
background: none;
border: none;
color: #94a3b8;
font-size: 11px;
font-weight: 600;
letter-spacing: .3px;
text-transform: uppercase;
cursor: pointer;
transition: color .2s, border-bottom .2s;
border-bottom: 2px solid transparent;
font-family: 'Inter', sans-serif;
}
#ctrl-panel .tab-btn:hover { color: #475569; }
#ctrl-panel .tab-btn.active {
color: #1e40af;
border-bottom: 2px solid #1e40af;
background: #fff;
}

/* ── Tab panes ── */
#ctrl-panel .tab-pane        { display: none; padding: 14px 16px; flex: 1; }
#ctrl-panel .tab-pane.active { display: block; }

/* ── Section labels ── */
#ctrl-panel .section-label {
font-size: 9px;
font-weight: 700;
letter-spacing: 1.2px;
text-transform: uppercase;
color: #94a3b8;
margin: 0 0 8px;
}

/* ── Basemap pill buttons ── */
#ctrl-panel .basemap-row {
display: flex;
gap: 5px;
margin-bottom: 16px;
}
#ctrl-panel .bm-btn {
flex: 1;
padding: 6px 4px;
border: 1px solid #e2e8f0;
border-radius: 5px;
background: #f8fafc;
color: #475569;
font-size: 11px;
font-weight: 500;
cursor: pointer;
text-align: center;
transition: all .15s;
font-family: 'Inter', sans-serif;
}
#ctrl-panel .bm-btn:hover { background: #f1f5f9; border-color: #cbd5e1; }
#ctrl-panel .bm-btn.active {
background: #eff6ff;
border-color: #1e40af;
color: #1e40af;
font-weight: 600;
}

/* ── Pipeline radio rows ── */
#ctrl-panel .pipeline-list { margin: 0; padding: 0; list-style: none; }
#ctrl-panel .pipeline-list li {
display: flex;
align-items: center;
gap: 9px;
padding: 7px 8px;
border-radius: 6px;
cursor: pointer;
transition: background .12s;
user-select: none;
}
#ctrl-panel .pipeline-list li:hover { background: #f8fafc; }
#ctrl-panel .pipeline-list li.selected { background: #eff6ff; }

/* custom radio dot */
#ctrl-panel .radio-dot {
width: 14px; height: 14px;
border-radius: 50%;
border: 2px solid #cbd5e1;
background: #fff;
flex-shrink: 0;
display: flex; align-items: center; justify-content: center;
transition: border-color .15s;
}
#ctrl-panel .pipeline-list li.selected .radio-dot { border-color: #1e40af; }
#ctrl-panel .radio-dot::after {
content: '';
width: 6px; height: 6px;
border-radius: 50%;
background: transparent;
transition: background .15s;
}
#ctrl-panel .pipeline-list li.selected .radio-dot::after { background: #1e40af; }

/* color swatch */
#ctrl-panel .swatch {
width: 10px; height: 10px;
border-radius: 2px;
flex-shrink: 0;
}
#ctrl-panel .pipeline-list .pl-name {
font-size: 12.5px;
color: #475569;
line-height: 1.2;
font-weight: 400;
}
#ctrl-panel .pipeline-list li.selected .pl-name { color: #1e40af; font-weight: 600; }

/* ── Clear button ── */
#ctrl-clear-btn {
display: block;
width: 100%;
margin-top: 10px;
padding: 7px;
background: none;
border: 1px solid #e2e8f0;
border-radius: 6px;
color: #94a3b8;
font-size: 11.5px;
cursor: pointer;
font-family: 'Inter', sans-serif;
transition: border-color .15s, color .15s;
}
#ctrl-clear-btn:hover { border-color: #94a3b8; color: #475569; }

/* ── Spills tab ── */
#ctrl-panel .spills-toggle {
display: flex;
align-items: center;
justify-content: space-between;
padding: 10px 12px;
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 8px;
cursor: pointer;
transition: background .15s;
user-select: none;
}
#ctrl-panel .spills-toggle:hover { background: #f1f5f9; }
#ctrl-panel .spills-toggle .spills-title {
font-size: 13px;
font-weight: 600;
color: #1a2533;
}
#ctrl-panel .spills-toggle .spills-subtitle {
font-size: 10.5px;
color: #94a3b8;
margin-top: 1px;
}
/* toggle switch */
#ctrl-panel .toggle-switch {
position: relative;
width: 36px; height: 20px;
flex-shrink: 0;
}
#ctrl-panel .toggle-switch input { display: none; }
#ctrl-panel .toggle-switch .slider {
position: absolute; inset: 0;
background: #cbd5e1;
border-radius: 20px;
transition: background .2s;
cursor: pointer;
}
#ctrl-panel .toggle-switch .slider::before {
content: '';
position: absolute;
width: 14px; height: 14px;
background: #fff;
border-radius: 50%;
top: 3px; left: 3px;
transition: transform .2s;
box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
#ctrl-panel .toggle-switch input:checked + .slider { background: #1e40af; }
#ctrl-panel .toggle-switch input:checked + .slider::before { transform: translateX(16px); }

#ctrl-panel .spills-note {
margin-top: 10px;
font-size: 11px;
color: #94a3b8;
line-height: 1.55;
padding: 0 2px;
}
#ctrl-panel .spills-note strong { color: #475569; }

/* ── Spill filters ── */
#spill-filters {
margin-top: 14px;
padding-top: 12px;
border-top: 1px solid #e2e8f0;
}
#spill-filters .filters-header {
display: flex;
align-items: center;
justify-content: space-between;
cursor: pointer;
user-select: none;
margin-bottom: 10px;
}
#spill-filters .filters-header .section-label { margin: 0; }
#spill-filters .filters-chevron {
font-size: 11px;
color: #94a3b8;
transition: transform .2s;
}
#spill-filters.collapsed .filters-chevron { transform: rotate(-90deg); }
#spill-filters .filters-body { display: flex; flex-direction: column; gap: 12px; }
#spill-filters.collapsed .filters-body { display: none; }

#spill-filters .filter-group-label {
font-size: 10.5px;
font-weight: 600;
color: #64748b;
margin: 0 0 6px;
}
#spill-filters .pill-row {
display: flex;
gap: 5px;
flex-wrap: wrap;
}
#spill-filters .filter-pill {
padding: 5px 9px;
border: 1px solid #e2e8f0;
border-radius: 999px;
background: #f8fafc;
color: #475569;
font-size: 11px;
font-weight: 500;
cursor: pointer;
transition: all .15s;
font-family: 'Inter', sans-serif;
white-space: nowrap;
}
#spill-filters .filter-pill:hover { background: #f1f5f9; border-color: #cbd5e1; }
#spill-filters .filter-pill.active {
background: #eff6ff;
border-color: #1e40af;
color: #1e40af;
font-weight: 600;
}
#filter-volume-custom-row {
display: flex;
align-items: center;
gap: 6px;
margin-top: 7px;
}
#filter-volume-custom-row[hidden] { display: none; }
#filter-volume-custom-input {
min-width: 0;
flex: 1;
padding: 6px 8px;
border: 1px solid #cbd5e1;
border-radius: 6px;
color: #334155;
font: 11.5px 'Inter', sans-serif;
}
#filter-volume-custom-apply {
padding: 6px 10px;
border: none;
border-radius: 6px;
background: #1e40af;
color: #fff;
font: 600 11px 'Inter', sans-serif;
cursor: pointer;
}
#filter-volume-custom-apply:hover { background: #1d3a9e; }
#spill-filters select.filter-select {
width: 100%;
padding: 6px 8px;
border: 1px solid #e2e8f0;
border-radius: 6px;
background: #fff;
color: #334155;
font-size: 11.5px;
font-family: 'Inter', sans-serif;
}
#spill-filters .date-range-row {
display: flex;
align-items: center;
gap: 6px;
}
#spill-filters .date-range-row input[type="date"] {
flex: 1;
min-width: 0;
padding: 5px 6px;
border: 1px solid #e2e8f0;
border-radius: 6px;
font-size: 11px;
font-family: 'Inter', sans-serif;
color: #334155;
}
#spill-filters .date-range-row span { color: #94a3b8; font-size: 10.5px; }
#spill-timelapse {
display: flex;
align-items: center;
gap: 9px;
margin-top: 9px;
padding: 8px 9px;
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 7px;
}
#spill-timelapse-play {
width: 30px;
height: 30px;
display: flex;
align-items: center;
justify-content: center;
flex: 0 0 auto;
padding: 0;
border: none;
border-radius: 50%;
background: #1e40af;
color: #fff;
font-size: 16px;
cursor: pointer;
transition: background .15s;
}
#spill-timelapse-play:hover { background: #1d3a9e; }
#spill-timelapse-play:disabled {
background: #cbd5e1;
cursor: not-allowed;
}
#spill-timelapse .spill-timelapse-track {
min-width: 0;
flex: 1;
}
#spill-timelapse-range {
display: block;
width: 100%;
height: 16px;
margin: 0;
accent-color: #1e40af;
cursor: pointer;
}
#spill-timelapse-range:disabled { cursor: not-allowed; }
#spill-timelapse-status {
margin-top: 2px;
font-size: 9.5px;
line-height: 1.25;
color: #64748b;
font-variant-numeric: tabular-nums;
}
#spill-filters-reset {
display: block;
width: 100%;
padding: 7px;
background: none;
border: 1px solid #e2e8f0;
border-radius: 6px;
color: #94a3b8;
font-size: 11.5px;
cursor: pointer;
font-family: 'Inter', sans-serif;
transition: border-color .15s, color .15s;
}
#spill-filters-reset:hover { border-color: #94a3b8; color: #475569; }
#export-share-tools {
padding-top: 10px;
border-top: 1px solid #e2e8f0;
}
#export-share-tools .export-share-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 6px;
}
#export-share-tools button {
display: flex;
align-items: center;
justify-content: center;
gap: 5px;
min-width: 0;
padding: 7px 6px;
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 6px;
color: #475569;
font-size: 10.5px;
font-weight: 600;
font-family: 'Inter', sans-serif;
cursor: pointer;
transition: background .15s, border-color .15s, color .15s;
}
#export-share-tools button:hover {
background: #eff6ff;
border-color: #93c5fd;
color: #1e40af;
}
#spill-chart-btn {
display: flex;
align-items: center;
justify-content: center;
gap: 7px;
width: 100%;
margin-top: 12px;
margin-bottom: 8px;
padding: 9px 10px;
background: #1e40af;
border: none;
border-radius: 7px;
color: #fff;
font-size: 11.5px;
font-weight: 600;
font-family: 'Inter', sans-serif;
cursor: pointer;
transition: background .15s;
}
#spill-chart-btn:hover { background: #1d3a9e; }
#spill-filters-count {
font-size: 10.5px;
color: #94a3b8;
text-align: center;
margin-top: 2px;
}
#spill-filters-count strong { color: #1e40af; }

/* ── Loading toast ── */

#map-toast {
position: fixed;
bottom: 24px;
left: 50%;
transform: translateX(-50%) translateY(60px);
background: rgba(15,25,35,.88);
border: 1px solid rgba(255,255,255,.1);
color: #e0eaf5;
padding: 8px 20px;
border-radius: 20px;
font-family: 'Inter', sans-serif;
font-size: 12px;
z-index: 9999;
transition: transform .3s ease, opacity .3s ease;
opacity: 0;
pointer-events: none;
white-space: nowrap;
}
#map-toast.show {
transform: translateX(-50%) translateY(0);
opacity: 1;
}

/* ── Hide native Leaflet control ── */


/* ── SELECTED LAYER strip at bottom of panel ── */
#selected-layer-strip {
padding: 12px 16px;
border-top: 1px solid #e2e8f0;
background: #f8fafc;
}
#selected-layer-strip .strip-label {
font-size: 9px; font-weight: 700;
letter-spacing: 1.2px; text-transform: uppercase;
color: #94a3b8; margin-bottom: 5px;
}
#selected-layer-strip .strip-name {
font-size: 13px; font-weight: 600;
color: #1a2533;
}
#selected-layer-strip .strip-name.none { color: #cbd5e1; font-weight: 400; font-style: italic; }

/* ── Instruction banner ── */
#instruction-banner {
position: fixed;
box-sizing: border-box;
bottom: 24px;
left: calc(50% - 140px);
transform: translateX(-50%);
background: rgba(15, 25, 35, 0.90);
border: 1px solid rgba(255,255,255,.1);
border-radius: 8px;
padding: 9px 34px;
z-index: 8500;
display: flex;
align-items: center;
justify-content: center;
gap: 10px;
font-family: 'Inter', sans-serif;
font-size: 12px;
color: #9bbdd4;
text-align: center;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
pointer-events: none;
white-space: nowrap;
}
#instruction-banner .banner-icon { font-size: 14px; color: #60a5fa; }
#instruction-banner strong { color: #e0eaf5; }
#instruction-banner-close {
position: absolute;
top: 4px;
right: 6px;
width: 24px;
height: 24px;
padding: 0;
border: none;
background: transparent;
color: #94a3b8;
font-size: 14px;
line-height: 1;
cursor: pointer;
pointer-events: auto;
}
#instruction-banner-close:hover,
#instruction-banner-close:focus-visible {
color: #fff;
}

/* Spill KPI bar (not in use) */ 
#spill-kpi-bar {
display: flex;
gap: 6px;
margin-bottom: 14px;
flex-wrap: wrap;
}
.kpi-card {
flex: 1;
min-width: 60px;
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 8px;
padding: 8px 8px 7px;
text-align: center;
}
.kpi-val {
font-size: 14px;
font-weight: 700;
color: #1e40af;
line-height: 1.1;
}
.kpi-label {
font-size: 9px;
text-transform: uppercase;
letter-spacing: .8px;
color: #94a3b8;
margin-top: 3px;
font-weight: 600;
}

/* ── Methodology modal ── */

#meth-modal {
background: #fff;
border: 1px solid #e2e8f0;
border-radius: 12px;
box-shadow: 0 8px 40px rgba(0,0,0,.18);
font-family: 'Inter', sans-serif;
color: #1a2533;
width: 580px;
max-width: 96vw;
max-height: 88vh;
overflow: hidden;
position: relative;
display: flex;
flex-direction: column;
}
#meth-modal .meth-header {
background: #1e3a5f;
padding: 16px 18px 13px;
border-bottom: none;
border-radius: 12px 12px 0 0;
position: relative;
flex: 0 0 auto;
z-index: 1;
}
#meth-modal .meth-header h3 {
margin: 0 0 2px;
font-size: 15px;
font-weight: 700;
color: #fff;
}
#meth-modal .meth-header .meth-subhead {
font-size: 11px;
color: #93c5fd;
}
#meth-modal .meth-close {
position: absolute; top: 12px; right: 14px;
background: none; border: none; color: rgba(255,255,255,.5);
font-size: 18px; cursor: pointer; padding: 2px 6px;
border-radius: 4px; transition: color .15s;
}
#meth-modal .meth-close:hover { color: #fff; }
#meth-modal .meth-body {
padding: 20px 22px 24px;
overflow-y: auto;
min-height: 0;
scrollbar-gutter: stable;
}
#meth-modal .meth-body::-webkit-scrollbar { width: 9px; }
#meth-modal .meth-body::-webkit-scrollbar-track { background: transparent; }
#meth-modal .meth-body::-webkit-scrollbar-thumb {
background: #cbd5e1;
border: 2px solid #fff;
border-radius: 999px;
}
#meth-modal .meth-body::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
#meth-modal .meth-section { margin-bottom: 20px; }
#meth-modal .meth-section-title {
font-size: 10px; font-weight: 700;
letter-spacing: 1px; text-transform: uppercase;
color: #1e40af; margin: 0 0 8px;
padding-bottom: 5px;
border-bottom: 1px solid #e2e8f0;
}
#meth-modal p, #meth-modal li {
font-size: 12.5px; color: #475569; line-height: 1.65; margin: 0 0 6px;
}
#meth-modal ul { padding-left: 18px; margin: 4px 0 8px; }
#meth-modal .meth-table {
width: 100%; border-collapse: collapse; font-size: 11.5px;
margin: 8px 0;
}
#meth-modal .meth-table th {
background: #f8fafc; color: #64748b;
padding: 6px 10px; text-align: left;
font-size: 10px; letter-spacing: .6px; text-transform: uppercase;
border-bottom: 1px solid #e2e8f0;
font-weight: 700;
}
#meth-modal .meth-table td {
padding: 6px 10px; color: #475569;
border-bottom: 1px solid #f1f5f9;
overflow-wrap: anywhere;
}
#meth-modal .meth-table tr:last-child td { border-bottom: none; }
#meth-modal .appendix-label {
display: inline-block;
background: #eff6ff; color: #1e40af;
font-size: 9px; font-weight: 700; letter-spacing: .7px;
text-transform: uppercase; padding: 2px 8px;
border-radius: 4px; margin-bottom: 8px;
border: 1px solid #bfdbfe;
}
#meth-btn {
display: flex;
align-items: center;
gap: 6px;
padding: 6px 12px;
background: #f8fafc;
border: none;
border-radius: 6px;
color: #000;
font-size: 12px;
cursor: pointer;
font-family: 'Inter', sans-serif;
transition: background .15s;
font-weight: 600;
white-space: nowrap;
flex: 0 0 auto;
height: 30px;
box-sizing: border-box;
line-height: 1;
}
#meth-btn:hover { background: #eef0f2; }

/* ── Spill data visualization modal ── */
#chart-modal {
width: min(960px, 92vw);
max-height: 86vh;
display: flex;
flex-direction: column;
overflow: hidden;
background: #fff;
border: 1px solid #e2e8f0;
border-radius: 12px;
box-shadow: 0 8px 40px rgba(0,0,0,.18);
font-family: 'Inter', sans-serif;
color: #1a2533;
}
#chart-modal .chart-header {
position: relative;
flex: 0 0 auto;
padding: 16px 18px 13px;
background: #1e3a5f;
}
#chart-modal .chart-header h3 {
margin: 0 0 2px;
font-size: 15px;
font-weight: 700;
color: #fff;
}
#chart-modal .chart-subhead {
font-size: 11px;
color: #bfdbfe;
}
#chart-modal .chart-close {
position: absolute;
top: 12px;
right: 14px;
padding: 2px 6px;
background: none;
border: none;
border-radius: 4px;
color: rgba(255,255,255,.65);
font-size: 18px;
cursor: pointer;
}
#chart-modal .chart-close:hover { color: #fff; }
#chart-modal .chart-body {
min-height: 0;
overflow-y: auto;
padding: 16px 18px 18px;
}
#chart-modal .chart-controls {
display: grid;
grid-template-columns: 1.5fr 1fr 1fr;
gap: 10px;
margin-bottom: 8px;
}
#chart-modal .chart-control label {
display: block;
margin-bottom: 4px;
color: #64748b;
font-size: 10px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: .5px;
}
#chart-modal .chart-control select {
width: 100%;
padding: 7px 9px;
border: 1px solid #cbd5e1;
border-radius: 6px;
background: #fff;
color: #334155;
font: 11.5px 'Inter', sans-serif;
}
#spill-chart-scope {
min-height: 18px;
margin: 2px 0 4px;
color: #64748b;
font-size: 10.5px;
}
#spill-plot {
width: 100%;
height: 520px;
}
#spill-chart-empty {
display: none;
padding: 50px 20px;
text-align: center;
color: #94a3b8;
font-size: 12px;
}
.chart-source {
margin-top: 5px;
color: #94a3b8;
font-size: 9.5px;
text-align: right;
}

/* ── Age assumption note in simulator ── */
.sim-age-note {
font-size: 11px; color: #94a3b8;
background: #f8fafc; border: 1px solid #e2e8f0;
border-radius: 5px; padding: 6px 10px; margin-bottom: 10px;
}
.sim-age-note strong { color: #475569; }

/* ── Tutorial popup ── */

#tutorial-modal {
background: #fff;
border-radius: 14px;
box-shadow: 0 12px 48px rgba(0,0,0,.2);
font-family: 'Inter', sans-serif;
color: #1a2533;
width: 480px;
max-width: 94vw;
position: relative;
overflow: hidden;
transform: translateX(-140px);
}
#tutorial-modal .tut-header {
background: #1e3a5f;
padding: 20px 22px 16px;
}
#tutorial-modal .tut-header h3 {
margin: 0 0 4px;
font-size: 17px;
font-weight: 700;
color: #fff;
}
#tutorial-modal .tut-header .tut-subtitle {
font-size: 12px;
color: #93c5fd;
}
#tutorial-modal .tut-close {
position: absolute; top: 14px; right: 16px;
background: none; border: none; color: rgba(255,255,255,.5);
font-size: 20px; cursor: pointer; line-height: 1;
}
#tutorial-modal .tut-close:hover { color: #fff; }
#tutorial-modal .tut-body {
padding: 22px 24px 20px;
}
/* Step progress dots */
#tutorial-modal .tut-dots {
display: flex;
gap: 6px;
margin-bottom: 18px;
}
#tutorial-modal .tut-dot {
width: 8px; height: 8px;
border-radius: 50%;
background: #e2e8f0;
transition: background .2s;
}
#tutorial-modal .tut-dot.active { background: #1e40af; }
#tutorial-modal .tut-dot.done   { background: #93c5fd; }
/* Step icon */
#tutorial-modal .tut-icon {
width: 46px; height: 46px;
border-radius: 10px;
background: #eff6ff;
border: 1px solid #bfdbfe;
display: flex; align-items: center; justify-content: center;
font-size: 22px;
margin-bottom: 14px;
}
#tutorial-modal .tut-step-title {
font-size: 15px;
font-weight: 700;
color: #1a2533;
margin-bottom: 8px;
}
#tutorial-modal .tut-step-body {
font-size: 13px;
color: #475569;
line-height: 1.65;
min-height: 70px;
}
#tutorial-modal .tut-step-body strong { color: #1a2533; }
/* Footer */
#tutorial-modal .tut-footer {
padding: 14px 24px 18px;
border-top: 1px solid #f1f5f9;
display: flex;
align-items: center;
justify-content: space-between;
gap: 16px;
}
#tutorial-modal .tut-footer-meta {
display: flex;
align-items: center;
gap: 16px;
}
#tutorial-modal .tut-step-num {
font-size: 11px;
color: #94a3b8;
white-space: nowrap;
}
#tutorial-modal .tut-skip {
font-size: 12px;
color: #94a3b8;
cursor: pointer;
background: none;
border: none;
font-family: 'Inter', sans-serif;
padding: 0;
}
#tutorial-modal .tut-skip:hover { color: #475569; }
#tutorial-modal .tut-nav {
display: flex;
gap: 8px;
flex: 0 0 auto;
}
#tutorial-modal .tut-prev {
padding: 8px 16px;
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 7px;
color: #475569;
font-size: 13px;
font-weight: 600;
cursor: pointer;
font-family: 'Inter', sans-serif;
transition: all .15s;
white-space: nowrap;
}
#tutorial-modal .tut-prev:hover { border-color: #94a3b8; }
#tutorial-modal .tut-next {
padding: 8px 20px;
background: #1e40af;
border: none;
border-radius: 7px;
color: #fff;
font-size: 13px;
font-weight: 600;
cursor: pointer;
font-family: 'Inter', sans-serif;
transition: background .15s;
display: flex;
align-items: center;
gap: 5px;
white-space: nowrap;
}
#tutorial-modal .tut-next:hover { background: #1d3a9e; }
#tutorial-modal .tut-checkbox-row {
display: flex;
align-items: center;
gap: 7px;
font-size: 12px;
color: #94a3b8;
cursor: pointer;
white-space: nowrap;
}
#tutorial-modal .tut-checkbox-row input { cursor: pointer; accent-color: #1e40af; }


/* ── Modal card ── */
#sim-modal {
background: #fff;
border: 1px solid #e2e8f0;
border-radius: 14px;
box-shadow: 0 12px 48px rgba(0,0,0,.18);
font-family: 'Inter', sans-serif;
color: #1a2533;
width: 500px;
max-width: 96vw;
max-height: 90vh;
overflow-y: auto;
position: relative;
transform: translateX(-140px);
}

/* ── Modal header ── */
#sim-modal .sim-header {
background: #1e3a5f;
padding: 18px 20px 14px;
border-radius: 14px 14px 0 0;
}
#sim-modal .sim-header h3 {
margin: 0 0 3px;
font-size: 16px;
font-weight: 700;
color: #fff;
}
#sim-modal .sim-header .sim-subhead {
font-size: 11.5px;
color: #93c5fd;
}
#sim-modal .sim-close {
position: absolute;
top: 14px; right: 16px;
background: none;
border: none;
color: rgba(255,255,255,.5);
font-size: 18px;
cursor: pointer;
line-height: 1;
padding: 2px 6px;
border-radius: 4px;
transition: color .15s;
}
#sim-modal .sim-close:hover { color: #fff; }

/* ── Body ── */
#sim-modal .sim-body { padding: 18px 20px; }

/* ── Info strip ── */
#sim-modal .sim-info-strip {
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 8px;
padding: 11px 14px;
margin-bottom: 16px;
}
#sim-modal .sim-info-strip .info-row {
display: flex; gap: 8px; align-items: baseline;
font-size: 12px; margin-bottom: 3px;
}
#sim-modal .sim-info-strip .info-row:last-child { margin-bottom: 0; }
#sim-modal .sim-info-strip .info-label {
color: #94a3b8; font-weight: 700;
font-size: 9.5px; letter-spacing: .9px; text-transform: uppercase;
min-width: 68px; flex-shrink: 0;
}
#sim-modal .sim-info-strip .info-val { color: #1a2533; font-weight: 500; }

/* ── Form sections ── */
#sim-modal .sim-section { margin-bottom: 14px; }
#sim-modal .sim-section-label {
font-size: 9.5px; font-weight: 700;
letter-spacing: 1px; text-transform: uppercase;
color: #94a3b8; margin: 0 0 8px;
}

/* ── Slider rows ── */
#sim-modal .slider-row {
display: flex; align-items: center; gap: 10px;
margin-bottom: 8px;
}
#sim-modal .slider-row label {
font-size: 12px; color: #475569;
min-width: 115px; flex-shrink: 0;
}
#sim-modal .slider-row input[type=range] {
flex: 1; accent-color: #1e40af; cursor: pointer;
}
#sim-modal .slider-val {
font-size: 12px; font-weight: 700;
color: #1a2533; min-width: 56px; text-align: right;
}

/* ── Select dropdown ── */
#sim-modal select {
width: 100%;
padding: 7px 10px;
background: #fff;
border: 1px solid #e2e8f0;
border-radius: 6px;
color: #475569;
font-size: 12.5px;
font-family: 'Inter', sans-serif;
cursor: pointer;
margin-bottom: 8px;
transition: border-color .15s;
}
#sim-modal select:focus { outline: none; border-color: #1e40af; }

/* ── Checkbox grid ── */
#sim-modal .check-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 6px;
}
#sim-modal .check-item {
display: flex; align-items: center; gap: 7px;
padding: 7px 9px;
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 6px;
cursor: pointer;
user-select: none;
transition: border-color .15s, background .15s;
}
#sim-modal .check-item:hover { border-color: #1e40af; background: #eff6ff; }
#sim-modal .check-item input[type=checkbox] {
accent-color: #1e40af; cursor: pointer; flex-shrink: 0;
}
#sim-modal .check-item span { font-size: 11.5px; color: #475569; line-height: 1.3; }

/* ── Run button ── */
#sim-run-btn {
width: 100%;
padding: 11px;
background: #1e40af;
border: none;
border-radius: 8px;
color: #fff;
font-size: 13.5px;
font-weight: 700;
font-family: 'Inter', sans-serif;
cursor: pointer;
transition: background .2s;
margin-top: 6px;
}
#sim-run-btn:hover { background: #1d3a9e; }

/* ── Results panel ── */
#sim-results {
display: none;
margin-top: 16px;
border-top: 1px solid #f1f5f9;
padding-top: 16px;
}
#sim-results.visible { display: block; }

#sim-results .result-main {
background: #eff6ff;
border: 1px solid #bfdbfe;
border-radius: 10px;
padding: 16px 18px;
text-align: center;
margin-bottom: 14px;
}
#sim-results .result-label {
font-size: 9.5px; font-weight: 700;
letter-spacing: 1px; text-transform: uppercase;
color: #3b82f6; margin-bottom: 6px;
}
#sim-results .result-cost {
font-size: 32px; font-weight: 800;
color: #1e3a8a; letter-spacing: -1px;
}
#sim-results .result-ci {
font-size: 11.5px; color: #64748b; margin-top: 5px;
}
#sim-results .result-ci strong { color: #1e40af; }

/* ── Cost breakdown bars ── */
#sim-results .breakdown-title {
font-size: 9.5px; font-weight: 700;
letter-spacing: 1px; text-transform: uppercase;
color: #94a3b8; margin: 0 0 8px;
}
#sim-results .bar-row {
display: flex; align-items: center; gap: 8px;
margin-bottom: 5px;
}
#sim-results .bar-label {
font-size: 11px; color: #64748b;
min-width: 120px; flex-shrink: 0;
}
#sim-results .bar-track {
flex: 1; height: 7px;
background: #f1f5f9; border-radius: 4px; overflow: hidden;
}
#sim-results .bar-fill {
height: 100%; border-radius: 4px;
transition: width .6s ease;
}
#sim-results .bar-amount {
font-size: 11px; color: #475569;
min-width: 72px; text-align: right; font-weight: 600;
}

/* ── Driver pills ── */
#sim-results .drivers-row {
display: flex; flex-wrap: wrap; gap: 5px;
margin-top: 10px;
}
#sim-results .driver-pill {
padding: 3px 9px;
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 12px;
font-size: 10.5px; color: #64748b;
}
#sim-results .driver-pill.high { border-color: #fca5a5; color: #dc2626; background: #fef2f2; }
#sim-results .driver-pill.med  { border-color: #fcd34d; color: #b45309; background: #fffbeb; }

/* ── Disclaimer ── */
#sim-results .sim-disclaimer {
margin-top: 14px;
font-size: 10px; color: #94a3b8;
line-height: 1.6; border-top: 1px solid #f1f5f9; padding-top: 10px;
}


/* ──────────────────────────────────────────────────────────────────────────
   MOBILE & TABLET OPTIMIZATIONS (Screens under 768px)
   ────────────────────────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
  #top-header .header-badge {
    display: none;
  }
}

@media (max-width: 860px) {
  #top-header .header-sub,
  #top-header .header-divider {
    display: none;
  }
  #meth-btn span {
    display: none;
  }
}

@media (max-width: 767px) {
  /* 1. Adjust Top Header Layout */
  #top-header {
    padding: 0 10px;
  }
  #top-header .header-sub, 
  #top-header .header-divider, 
  #top-header .header-badge {
    display: none !important; /* Hide extra text to fit title and button */
  }
  #top-header .header-title {
    font-size: 13px;
  }
  #tutorial-btn {
    padding: 4px 8px;
    font-size: 11px;
  }
  #contact-btn {
    padding: 4px 8px;
    font-size: 11px;
  }
  #meth-btn {
    padding: 4px 8px;
    font-size: 11px;
  }
  #meth-btn span {
    display: none;
  }

  /* 2. Reposition Right Control Panel to Bottom Sheet or Toggle Drawer */
  #ctrl-panel {
    top: auto;
    right: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    height: var(--mobile-panel-height);
    border-left: none;
    border-top: 1px solid #e2e8f0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.15);
  }
  #panel-resize-handle {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 3;
    flex: 0 0 20px;
    width: 100%;
    height: 20px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    background: #fff;
    cursor: ns-resize;
    touch-action: none;
  }
  #panel-resize-handle::before {
    content: '';
    width: 44px;
    height: 4px;
    border-radius: 999px;
    background: #cbd5e1;
    transition: background .15s, width .15s;
  }
  #panel-resize-handle:hover::before,
  #panel-resize-handle:focus-visible::before,
  body.resizing-mobile-panel #panel-resize-handle::before {
    width: 54px;
    background: #64748b;
  }
  body.resizing-mobile-panel {
    cursor: ns-resize;
    user-select: none;
  }
  #ctrl-panel .tab-row {
    position: sticky;
    top: 20px;
    z-index: 2;
    flex: 0 0 auto;
    box-shadow: 0 1px 0 #e2e8f0;
  }

  /* 3. Adjust Map view to compensate for the bottom panel area */
  .folium-map {
    height: calc(100vh - 52px - var(--mobile-panel-height)) !important;
    height: calc(100dvh - 52px - var(--mobile-panel-height)) !important;
  }

  /* 4. Fix Floating Elements overlapping the bottom sheet */
  #instruction-banner {
    bottom: calc(var(--mobile-panel-height) + 12px);
    left: 50%;
    transform: translateX(-50%);
    width: 90vw;
    white-space: normal; /* Allow text wrapping on narrow devices */
    font-size: 11px;
    padding: 8px 34px;
  }

  #map-toast {
    bottom: calc(var(--mobile-panel-height) + 12px);
  }

  /* 5. Improve Grid elements inside the Spill Cost panel for small screens */
  #spill-kpi-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Clean 3-column split */
    gap: 4px;
  }
  .kpi-card {
    min-width: unset;
    padding: 6px 4px;
  }
  .kpi-val {
    font-size: 12px;
  }
  
  /* 6. Expand Modals for easier touch readability */
  #meth-modal {
    width: 94vw !important;
    max-height: 80vh !important;
  }
  #chart-modal {
    width: 94vw;
    max-height: 84vh;
  }
  #chart-modal .chart-controls {
    grid-template-columns: 1fr;
  }
  #spill-plot { height: 500px; }

  #tutorial-modal {
    width: 94vw !important;
    max-height: 85vh !important;
    overflow-y: auto; 
    
    transform: translateX(0) !important; 
  }

  #tutorial-modal .tut-header {
    padding: 16px 18px 12px;
  }
  #tutorial-modal .tut-body {
    padding: 16px 18px;
  }
  #tutorial-modal .tut-step-body {
    min-height: unset; /* Remove fixed height constraint on mobile */
    font-size: 12.5px;
  }
  #tutorial-modal .tut-footer {
    padding: 12px 18px 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  #tutorial-modal .tut-footer-meta {
    width: 100%;
    justify-content: space-between;
  }
  #tutorial-modal .tut-nav {
    width: 100%;
  }
  #tutorial-modal .tut-nav button {
    flex: 1 1 0;
    min-width: 0;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  #contact-btn .contact-label,
  #tutorial-btn .tutorial-label {
    display: none;
  }
  #tutorial-btn .tutorial-label-short {
    display: inline;
  }
}

/* Extra small phones */
@media (max-width: 360px) {
  :root {
    --mobile-panel-height: 45vh;
  }
}



/* ── Contact modal styling ─────────────────────────────────────── */
/* ── Unified Animated Backdrops ─────────────────────────────────── */
#tutorial-backdrop,
#meth-backdrop,
#chart-backdrop,
#sim-backdrop,
.contact-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.45); /* Elegant neutral dark tint, no blue */
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex; /* Kept flex so centering works perfectly */
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
    z-index: 9001;
}

/* Unified Open State */
#tutorial-backdrop.open,
#meth-backdrop.open,
#chart-backdrop.open,
#sim-backdrop.open,
.contact-backdrop.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
}

/* Plotly gives some of its SVG interaction layers explicit pointer/visibility
   styles. Remove the chart backdrop from layout when closed so those layers
   cannot remain hit-testable over the Leaflet map. */
#chart-backdrop:not(.open) {
    display: none;
}

#chart-backdrop.open {
    display: flex;
}

@media (max-width: 767px) {
    #tutorial-backdrop,
    #meth-backdrop,
    #chart-backdrop,
    #sim-backdrop,
    .contact-backdrop {
        box-sizing: border-box;
        padding: 52px 12px calc(var(--mobile-panel-height) + 12px);
    }

    #tutorial-modal,
    #meth-modal,
    #chart-modal,
    #sim-modal,
    .contact-modal {
        max-height: calc(100vh - 76px - var(--mobile-panel-height)) !important;
        max-height: calc(100dvh - 76px - var(--mobile-panel-height)) !important;
        transform: none !important;
    }

    .contact-modal {
        overflow-y: auto;
    }
}

/* Backdrops cover the entire interface. Modal cards are centered within the
   usable map area, excluding the desktop header and right-side controls. */
#meth-backdrop {
    z-index: 9001;
}
#chart-backdrop {
    z-index: 9001;
}

@media (min-width: 768px) {
    #tutorial-backdrop,
    #meth-backdrop,
    #chart-backdrop,
    #sim-backdrop,
    .contact-backdrop {
        box-sizing: border-box;
        padding: 52px 280px 0 0;
    }

    #tutorial-modal,
    #sim-modal,
    .contact-modal {
        transform: none !important;
    }

    #meth-modal {
        width: 66.666%;
        max-width: calc(100% - 32px);
    }

    #chart-modal {
        width: 82%;
        max-width: calc(100% - 32px);
    }
}


.contact-modal {
    background: #ffffff;
    border-radius: 12px;
    width: 90%;
    max-width: 480px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid #e2e8f0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    transform: translateX(-140px);

}

.contact-header {
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
    background: #f8fafc;
}

.contact-header h3 {
    margin: 0;
    font-size: 18px;
    color: #0f172a;
    font-weight: 600;
}

.contact-subtitle {
    font-size: 12px;
    color: #64748b;
    margin-top: 3px;
}

.contact-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: #94a3b8;
    transition: color 0.15s ease;
    line-height: 1;
    padding: 4px;
}

.contact-close:hover {
    color: #475569;
}

.contact-body {
    padding: 20px;
    color: #334155;
    overflow-y: auto;
    max-height: 60vh;
}

.contact-intro {
    font-size: 13.5px;
    line-height: 1.5;
    margin: 0 0 16px 0;
    color: #475569;
}

/* Internal Card Selection Grid Elements */
.contact-options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-option-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.contact-option-card:hover,
.contact-option-card:focus,
.contact-option-card:active {
    background-color: #f8fafc;
    border-color: #cbd5e1;
    text-decoration: none;
}

.contact-option-card:active {
    transform: scale(0.99);
}

.contact-option-card i {
    font-size: 22px;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
}

.contact-option-card:hover i {
    color: #0f172a; /* Dynamic icon color pop on cursor hover */
}

.contact-card-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact-card-text strong {
    font-size: 14px;
    color: #0f172a;
    font-weight: 600;
}

.contact-card-text span {
    font-size: 12px;
    color: #64748b;
    line-height: 1.4;
}

.contact-footer {
    padding: 12px 20px;
    border-top: 1px solid #e2e8f0;
    background: #f8fafc;
    display: flex;
    justify-content: flex-end;
}

.modal-geoman-icon {
  display: inline-block !important;
  width: 18px !important;
  height: 18px !important;
  vertical-align: text-bottom !important;
  margin: 0 4px !important;
}

.tut-step-body .leaflet-pm-toolbar {
  display: inline !important;
  position: static !important;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin: 0 !important;
  width: auto !important;
  height: auto !important;
}