:root {
  color-scheme: dark;
  --bg: #07101b;
  --panel: #0b1724;
  --panel-2: #102033;
  --line: #20364a;
  --line-soft: rgba(148, 178, 202, .14);
  --text: #f5f8fb;
  --muted: #9db0c1;
  --subtle: #70879a;
  --teal: #2dd4bf;
  --teal-2: #0f9f92;
  --amber: #f5b942;
  --red: #fb7185;
  --blue: #60a5fa;
  --purple: #a78bfa;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; overflow: hidden; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; }
button, input, select { font: inherit; }
button, select, input { color: inherit; }

.topbar { height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 22px; border-bottom: 1px solid var(--line); background: #091420; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 34px; height: 34px; padding: 8px 7px; border: 1px solid #2b6571; border-radius: 8px; background: linear-gradient(145deg, #123241, #0a202d); display: grid; gap: 5px; }
.brand-mark span { height: 5px; border-radius: 2px; background: var(--teal); box-shadow: 0 0 14px rgba(45,212,191,.4); }
.brand h1 { margin: 0; font-size: 1rem; letter-spacing: .01em; }
.brand p { margin: 3px 0 0; color: var(--muted); font-size: .78rem; }
.snapshot { display: flex; gap: 8px; align-items: baseline; color: var(--muted); font-size: .76rem; }
.snapshot strong { color: var(--text); font-size: .82rem; font-weight: 650; }
.header-actions { display:flex; align-items:center; gap:12px; }
.header-actions > a { padding:7px 10px; border:1px solid #2b5368; border-radius:6px; color:#bfe9e4; text-decoration:none; font-size:.76rem; }
.institutional-logos { display:flex; align-items:center; gap:7px; padding:5px 8px; border-radius:6px; background:#fff; }
.institutional-logos img { display:block; width:auto; height:30px; }

.workspace { height: calc(100vh - 68px); display: grid; grid-template-columns: 328px minmax(620px, 1fr) 294px; }
.filters, .detail-panel { min-height: 0; overflow-y: auto; background: var(--panel); }
.filters { padding: 20px 18px; border-right: 1px solid var(--line); }
.detail-panel { border-left: 1px solid var(--line); }
.main-panel { min-width: 0; min-height: 0; overflow-y: auto; padding: 16px; }
.panel-heading, .card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
h2 { margin: 3px 0 0; font-size: 1rem; line-height: 1.25; }
.eyebrow { color: var(--teal); font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 750; }
.text-button { border: 0; padding: 4px 0; background: transparent; color: var(--teal); cursor: pointer; font-size: .78rem; }
.field { display: grid; gap: 6px; margin-top: 18px; }
.field > span, fieldset legend { color: var(--muted); font-size: .74rem; font-weight: 650; }
.field input, .field select { width: 100%; min-height: 38px; padding: 0 10px; border: 1px solid var(--line); border-radius: 7px; background: #0a1420; outline: none; font-size: .82rem; }
.field input:focus, .field select:focus { border-color: var(--teal-2); box-shadow: 0 0 0 2px rgba(45,212,191,.12); }
.search-field { margin-top: 20px; }
.filter-instruction { margin:16px 0 4px; color:var(--subtle); font-size:.69rem; line-height:1.45; }
.multi-filter { margin-top:12px; padding:0 0 11px; border:0; border-bottom:1px solid var(--line-soft); }
.multi-filter summary { display:flex; align-items:center; justify-content:space-between; gap:10px; cursor:pointer; list-style:none; color:var(--muted); font-size:.75rem; font-weight:700; }
.multi-filter summary::-webkit-details-marker { display:none; }
.multi-filter summary::before { content:"▸"; color:var(--teal); font-size:.68rem; transition:transform .15s; }
.multi-filter[open] summary::before { transform:rotate(90deg); }
.multi-filter summary span { flex:1; }
.multi-filter summary strong { color:var(--subtle); font-size:.65rem; font-weight:650; white-space:nowrap; }
.multi-actions { display:flex; justify-content:flex-end; gap:9px; margin:7px 0 6px; }
.multi-actions button { padding:0; border:0; background:transparent; color:#7fd8ce; cursor:pointer; font-size:.65rem; }
.checkbox-options { display:grid; gap:5px; }
.choice-checkbox { min-height:28px; display:grid; grid-template-columns:16px 9px minmax(0,1fr) auto; align-items:center; gap:7px; padding:4px 6px; border:1px solid transparent; border-radius:6px; color:#c7d3dc; cursor:pointer; font-size:.72rem; }
.choice-checkbox:hover { border-color:#294457; background:#0b1b29; }
.choice-checkbox input { width:15px; height:15px; margin:0; accent-color:var(--teal); }
.choice-dot { width:8px; height:8px; border-radius:50%; background:var(--choice-color,#64748b); }
.choice-label { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.choice-count { color:var(--subtle); font-size:.64rem; font-variant-numeric:tabular-nums; }
.flag-filters { display: grid; gap: 9px; margin: 20px 0 0; padding: 14px 0 0; border: 0; border-top: 1px solid var(--line-soft); }
.flag-filters legend { padding: 0 0 10px; }
.flag-filters label { display: flex; gap: 9px; align-items: center; color: #c7d3dc; font-size: .82rem; }
.flag-filters input { accent-color: var(--teal); width: 16px; height: 16px; }
.selection-summary { display: grid; gap: 7px; margin-top: 22px; padding: 15px; border: 1px solid #1d4550; border-radius: 9px; background: linear-gradient(145deg, rgba(21,77,82,.32), rgba(9,25,37,.55)); }
.selection-summary span { color: var(--muted); font-size: .72rem; }
.selection-summary strong { font-size: 1.05rem; }
.secondary-button { min-height: 36px; margin-top: 4px; border: 1px solid #2b6571; border-radius: 7px; background: #0b2932; color: #d8fffa; cursor: pointer; font-size: .78rem; font-weight: 650; }
.method-note { display: flex; gap: 10px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line-soft); }
.method-note p { margin: 0; color: var(--subtle); font-size: .72rem; line-height: 1.5; }
.note-icon { flex: 0 0 auto; width: 18px; height: 18px; display: grid; place-items: center; border: 1px solid #355469; border-radius: 50%; color: var(--muted); font-size: .7rem; }

.metric-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 12px; }
.metric-strip article { min-width: 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.metric-strip span, .metric-strip small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.metric-strip span { color: var(--muted); font-size: .7rem; }
.metric-strip strong { display: block; margin: 4px 0 2px; font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.metric-strip small { color: var(--subtle); font-size: .65rem; }

.map-card, .chart-card, .insight-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.map-toolbar { min-height: 50px; padding: 8px 10px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); }
.view-switcher { display: flex; gap: 4px; overflow-x: auto; }
.map-toolbar:has(.policy-controls:not([hidden])), .map-toolbar:has(.generation-controls:not([hidden])) { flex-wrap:wrap; }
.map-toolbar:has(.policy-controls:not([hidden])) .view-switcher, .map-toolbar:has(.generation-controls:not([hidden])) .view-switcher { flex:1 1 100%; }
.map-toolbar:has(.policy-controls:not([hidden])) .policy-controls, .map-toolbar:has(.generation-controls:not([hidden])) .generation-controls { flex:1 1 auto; margin-left:0; }
.policy-controls { display:flex; align-items:center; gap:10px; margin-left:auto; color:var(--muted); font-size:.68rem; flex-wrap:wrap; }
.policy-controls[hidden] { display:none; }
.policy-controls select { min-height:32px; max-width:220px; padding:0 26px 0 9px; border:1px solid var(--line); border-radius:6px; background:#0a1420; font-size:.71rem; }
.policy-status-group { display:flex; align-items:center; gap:8px; margin:0; padding:0; border:0; }
.policy-status-group legend { padding:0 6px 0 0; font-size:.68rem; color:var(--muted); }
.policy-status-group label { display:flex; align-items:center; gap:3px; font-size:.7rem; white-space:nowrap; cursor:pointer; }
.policy-status-group input { margin:0; accent-color: var(--teal); cursor:pointer; }
.generation-controls { display:flex; align-items:center; gap:10px; margin-left:auto; color:var(--muted); font-size:.68rem; flex-wrap:wrap; }
.generation-controls[hidden] { display:none; }
.generation-controls label { white-space:nowrap; }
.generation-controls select { min-height:32px; min-width:180px; padding:0 26px 0 9px; border:1px solid var(--line); border-radius:6px; background:#0a1420; font-size:.71rem; }
.transmission-toggle { display:flex; align-items:center; gap:5px; cursor:pointer; color:#c7d3dc; }
.transmission-toggle input { width:15px; height:15px; margin:0; accent-color:var(--purple); }
.transmission-status { color:var(--subtle); font-size:.62rem; white-space:nowrap; }
.view-button, .map-actions button { min-height: 32px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; font-size: .74rem; font-weight: 650; }
.view-button { padding: 0 11px; }
.view-button:hover, .view-button.active { color: var(--text); background: #12283a; border-color: #24445b; }
.view-button.active { color: #bafff6; box-shadow: inset 0 -2px 0 var(--teal); }
.map-actions { display: flex; gap: 4px; }
.map-actions button { min-width: 32px; padding: 0 8px; border-color: var(--line); }
.map-shell { position: relative; height: min(56vh, 560px); min-height: 390px; overflow: hidden; background: radial-gradient(circle at 52% 38%, #12263a 0, #0a1623 58%, #08121d 100%); }
#map { width: 100%; height: 100%; display: block; cursor: grab; touch-action: none; }
#map.dragging { cursor: grabbing; }
.state { fill: #102436; stroke: #355064; stroke-width: .8; vector-effect: non-scaling-stroke; transition: fill .2s, opacity .2s; }
.state:hover { fill: #163047; }
.map-shell.policy-mode .state, .map-shell.cost-mode .state { cursor:pointer; stroke:#6c8292; stroke-width:1; }
.map-shell.policy-mode .state:hover, .map-shell.policy-mode .state.selected, .map-shell.cost-mode .state:hover, .map-shell.cost-mode .state.selected { stroke:#f5f8fb; stroke-width:2; filter:url(#glow); }
.map-shell.policy-mode .facility, .map-shell.cost-mode .facility { opacity:.18; pointer-events:none; }
.map-shell.generation-mode .facility { fill:#e2e8f0 !important; opacity:.28; stroke:#07101b; }
.transmission-line { fill:none; pointer-events:none; vector-effect:non-scaling-stroke; stroke-linecap:round; stroke-linejoin:round; }
.transmission-line.high { stroke:#8b5cf6; stroke-width:.8; opacity:.28; }
.transmission-line.extra-high { stroke:#f0abfc; stroke-width:1.15; opacity:.48; }
.facility { cursor: pointer; stroke: rgba(5,15,25,.8); stroke-width: .7; vector-effect: non-scaling-stroke; opacity: .78; transition: opacity .15s; }
.facility:hover, .facility.selected { opacity: 1; stroke: #fff; stroke-width: 1.5; filter: url(#glow); }
.power-plant { cursor:pointer; stroke:rgba(5,15,25,.72); stroke-width:.65; vector-effect:non-scaling-stroke; opacity:.78; transition:opacity .15s; }
.power-plant:hover, .power-plant.selected { opacity:1; stroke:#fff; stroke-width:1.6; filter:url(#glow); }
.tooltip { position: absolute; z-index: 5; pointer-events: none; max-width: 260px; padding: 9px 11px; border: 1px solid #355065; border-radius: 7px; background: rgba(6,15,24,.96); box-shadow: 0 8px 30px rgba(0,0,0,.32); font-size: .75rem; line-height: 1.4; }
.tooltip strong { display: block; margin-bottom: 2px; font-size: .8rem; }
.tooltip span { color: var(--muted); }
.map-caption { position: absolute; left: 12px; bottom: 10px; pointer-events:none; display: flex; gap: 10px; align-items: center; padding: 6px 9px; border-radius: 6px; background: rgba(6,15,24,.84); color: var(--muted); font-size: .66rem; }
.map-caption span:first-child { color: var(--text); font-weight: 700; }
.legend { position: absolute; right: 12px; bottom: 10px; width: 174px; pointer-events:none; padding: 9px; border: 1px solid rgba(67,91,111,.7); border-radius: 7px; background: rgba(6,15,24,.86); }
.legend-item { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: .65rem; line-height: 1.35; }
.legend-item + .legend-item { margin-top: 4px; }
.legend-swatch { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }
.legend-note { margin-top:7px; padding-top:6px; border-top:1px solid rgba(148,178,202,.16); color:var(--subtle); font-size:.59rem; line-height:1.35; }
.facility-key { display:inline-block; width:8px; height:8px; margin-right:4px; border:1px solid #e2e8f0; border-radius:50%; background:rgba(226,232,240,.28); vertical-align:-1px; }
.transmission-key { display:flex; align-items:center; gap:5px; margin-bottom:3px; }
.line-key { display:inline-block; width:14px; height:0; border-top:1px solid #8b5cf6; }
.line-key.extra-high { border-top:2px solid #f0abfc; }

.analysis-row { display: grid; grid-template-columns: 1.35fr 1fr; gap: 12px; margin-top: 12px; }
.chart-card, .insight-card { min-height: 180px; padding: 15px; }
.card-heading #chartTotal { color: var(--subtle); font-size: .7rem; }
.bar-chart { display: grid; gap: 8px; margin-top: 14px; }
.bar-row { display: grid; grid-template-columns: 85px 1fr 36px; gap: 9px; align-items: center; color: var(--muted); font-size: .7rem; }
.bar-row > span { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.bar-track { height: 7px; border-radius: 8px; background: #142536; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--teal-2), var(--teal)); }
.bar-fill.policy { background:linear-gradient(90deg, #2563eb, #a78bfa); }
.bar-fill.cost { background:linear-gradient(90deg, #1f8a86, #d65f59); }
.bar-row strong { color: #d7e2ea; font-size: .7rem; text-align: right; }
.insight-card h2 { margin-top: 6px; font-size: 1.05rem; }
.insight-card p { margin: 10px 0 14px; color: var(--muted); font-size: .79rem; line-height: 1.55; }
.insight-card p.insight-source { margin: -8px 0 12px; color: var(--subtle); font-size: .68rem; line-height: 1.4; }
.insight-card p.insight-source a { color: #8adfd5; text-decoration: none; }
.insight-card p.insight-source a:hover { text-decoration: underline; }
.coverage-line { padding-top: 10px; border-top: 1px solid var(--line-soft); color: var(--subtle); font-size: .7rem; line-height: 1.45; }

.detail-empty { min-height: 100%; display: grid; place-content: center; justify-items: center; padding: 30px; text-align: center; }
.detail-empty p { max-width: 210px; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.detail-marker { width: 34px; height: 34px; border: 1px solid #2e6570; border-radius: 50% 50% 50% 4px; transform: rotate(-45deg); background: #0e2d35; }
.detail-content { padding: 18px; }
.detail-top { display: flex; justify-content: space-between; gap: 10px; }
.detail-top h2 { margin: 4px 0 5px; font-size: 1.12rem; }
.detail-location { margin: 0; color: var(--muted); font-size: .75rem; }
.close-detail { display: none; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 6px; background: transparent; }
.phase-pill { display: inline-flex; align-items: center; margin-top: 13px; padding: 5px 8px; border: 1px solid #315469; border-radius: 999px; color: #dce9f1; background: #112536; font-size: .68rem; font-weight: 700; }
.plant-source-pill { border-color:#6b5f2a; background:#28230f; color:#fff3b0; }
.detail-section { margin-top: 17px; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.detail-section h3 { margin: 0 0 10px; color: var(--teal); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.detail-item span { display: block; color: var(--subtle); font-size: .65rem; }
.detail-item strong { display: block; margin-top: 2px; color: #dce5eb; font-size: .76rem; line-height: 1.35; word-break: break-word; }
.policy-summary { display:grid; grid-template-columns:repeat(2,1fr); gap:8px; margin-top:14px; }
.policy-summary article { padding:9px 10px; border:1px solid var(--line); border-radius:7px; background:#0a1420; }
.policy-summary span { display:block; color:var(--subtle); font-size:.62rem; }
.cost-history { display:grid; gap:7px; }
.cost-history div { display:grid; grid-template-columns:38px 1fr; gap:3px 10px; padding:7px 0; border-bottom:1px solid var(--line-soft); }
.cost-history span { grid-row:1 / span 2; align-self:center; color:var(--teal); font-size:.68rem; font-weight:750; }
.cost-history strong { color:#e1e9ee; font-size:.73rem; }
.cost-history small { color:var(--subtle); font-size:.63rem; }
.policy-summary strong { display:block; margin-top:3px; font-size:.95rem; }
.policy-type-list { display:grid; gap:7px; }
.policy-type-row { display:grid; grid-template-columns:minmax(0,1fr) 34px; gap:8px; align-items:center; font-size:.69rem; }
.policy-type-row > span { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:#c7d3dc; }
.policy-type-row strong { text-align:right; font-variant-numeric:tabular-nums; }
.policy-type-track { grid-column:1 / -1; height:5px; margin-top:-3px; border-radius:5px; background:#142536; overflow:hidden; }
.policy-type-track i { display:block; height:100%; border-radius:5px; background:linear-gradient(90deg,#2563eb,#a78bfa); }
.bill-list { display:grid; gap:8px; }
.bill-card { padding:9px; border:1px solid var(--line-soft); border-radius:7px; background:#0a1420; }
.bill-card-top { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.bill-card a { color:#8adfd5; font-size:.73rem; font-weight:750; text-decoration:none; }
.bill-card a:hover { text-decoration:underline; }
.bill-status { padding:3px 6px; border-radius:999px; background:#142c40; color:#cfe2ef; font-size:.57rem; text-transform:uppercase; letter-spacing:.06em; }
.bill-card p { margin:6px 0 0; color:var(--muted); font-size:.68rem; line-height:1.4; }
.bill-types { margin-top:6px; color:var(--subtle); font-size:.6rem; line-height:1.35; }
.policy-note { margin:8px 0 0; color:var(--subtle); font-size:.64rem; line-height:1.45; }
.state-export { width:100%; margin-top:10px; }

@media (max-width: 1180px) {
  .topbar { height:auto; min-height:68px; padding:10px 15px; flex-wrap:wrap; gap:8px; }
  .header-actions { width:100%; justify-content:flex-end; }
  .brand p { display:none; }
  .workspace { height:calc(100vh - 118px); grid-template-columns:292px minmax(500px,1fr); }
  .detail-panel { position: fixed; z-index: 20; right: 0; top: 118px; bottom: 0; width: 320px; transform: translateX(101%); transition: transform .22s ease; box-shadow: -20px 0 45px rgba(0,0,0,.38); }
  .detail-panel.open { transform: translateX(0); }
  .close-detail { display: block; }
}
@media (max-width: 820px) {
  body { overflow: auto; }
  .topbar { height: auto; min-height: 68px; padding: 12px 15px; flex-wrap:wrap; gap:10px; }
  .header-actions { width:100%; justify-content:flex-end; flex-wrap:wrap; gap:8px; }
  .brand p, .snapshot span { display: none; }
  .workspace { height: auto; display: block; }
  .filters { border-right: 0; border-bottom: 1px solid var(--line); }
  .main-panel { overflow: visible; padding: 12px; }
  .metric-strip { grid-template-columns: 1fr 1fr; }
  .map-toolbar { align-items: flex-start; flex-direction: column; }
  .policy-controls { width:100%; margin-left:0; flex-wrap:wrap; }
  .policy-controls select { max-width:none; flex:1 1 120px; }
  .generation-controls { width:100%; margin-left:0; }
  .generation-controls select { min-width:0; flex:1 1 150px; }
  .map-actions { align-self: flex-end; }
  .map-shell { min-height: 420px; }
  .analysis-row { grid-template-columns: 1fr; }
  .map-caption span:last-child { display: none; }
}
@media (max-width: 480px) {
  .snapshot, .header-actions > a { display: none; }
  .header-actions { justify-content:flex-start; }
  .institutional-logos img { height:24px; }
  .brand h1 { font-size: .9rem; }
  .detail-grid { grid-template-columns: 1fr; }
  .map-shell { min-height: 370px; }
  .legend { width: 150px; }
}

/* Keyboard-navigation focus ring, added for accessibility audit. */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}