:root {
  --bg: #0b1220;
  --bg-elevated: #111a2e;
  --bg-card: #152238;
  --border: rgba(148, 163, 184, 0.14);
  --text: #e8edf7;
  --text-muted: #94a3b8;
  --accent: #22d3a8;
  --accent-2: #38bdf8;
  --accent-3: #f59e0b;
  --danger: #f87171;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --sidebar-width: 280px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  background: radial-gradient(circle at top left, #12203a 0%, var(--bg) 45%);
  color: var(--text);
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

.sidebar {
  background: rgba(8, 14, 28, 0.92);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-size: 1.25rem;
}

.brand h1 {
  margin: 0;
  font-size: 1.1rem;
}

.brand p {
  margin: 0.15rem 0 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.nav {
  display: grid;
  gap: 0.5rem;
}

.nav-item {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  transition: 0.2s ease;
}

.nav-item:hover,
.nav-item.active {
  color: var(--text);
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.18);
}

.sidebar-footer {
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.main {
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 18, 32, 0.75);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  cursor: pointer;
}

.topbar-title h2 {
  margin: 0;
  font-size: 1.35rem;
}

.topbar-title p {
  margin: 0.2rem 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.topbar-actions {
  margin-left: auto;
}

.content {
  padding: 1.5rem;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.dashboard-toolbar,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.energy-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.energy-category-subnav,
.energy-dataset-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}

.energy-dataset-subnav {
  padding-left: 0.35rem;
  border-left: 2px solid rgba(34, 211, 168, 0.25);
}

.energy-subnav-loading {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.energy-subnav .btn.active,
.energy-category-subnav .btn.active,
.energy-dataset-subnav .btn.active {
  background: rgba(34, 211, 168, 0.18);
  border-color: rgba(34, 211, 168, 0.45);
  color: var(--accent);
}

.energy-category-subnav .btn,
.energy-dataset-subnav .btn {
  font-size: 0.82rem;
}

.energy-panel[hidden] {
  display: none !important;
}

.filter-group {
  display: grid;
  gap: 0.35rem;
  min-width: 140px;
}

.filter-group label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-group input,
.filter-group select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.kpi-card {
  background: linear-gradient(145deg, rgba(34, 211, 168, 0.12), rgba(56, 189, 248, 0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.kpi-card .label {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.kpi-card .value {
  font-size: 1.65rem;
  font-weight: 700;
  margin-top: 0.35rem;
}

.kpi-card .unit {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.market-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.market-card.market-open {
  border-color: rgba(34, 211, 168, 0.45);
  box-shadow: inset 0 0 0 1px rgba(34, 211, 168, 0.12);
}

.market-card.market-closed {
  border-color: var(--border);
  opacity: 0.92;
}

.market-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.market-card-header h3 {
  margin: 0;
  font-size: 1.05rem;
}

.market-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.market-open .market-badge {
  background: rgba(34, 211, 168, 0.18);
  color: #22d3a8;
}

.market-closed .market-badge {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
}

.market-meta {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.market-meta strong {
  color: var(--text);
  font-weight: 500;
}

.market-timers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.15rem;
}

.market-timer {
  background: rgba(15, 23, 42, 0.35);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
}

.market-timer .label {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}

.market-timer .countdown {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.market-open .market-timer:first-child .countdown {
  color: #22d3a8;
}

.markets-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: -0.35rem 0 1rem;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.fertility-grid {
  grid-template-columns: 2fr 1fr;
}

.trade-grid-full {
  grid-column: 1 / -1;
}

.span-2 {
  grid-column: span 1;
}

.chart-wrap-wide {
  height: min(70vh, 900px);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem 0;
}

.card-header h3 {
  margin: 0;
  font-size: 1rem;
}

.badge {
  font-size: 0.72rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-2);
}

.chart-wrap {
  position: relative;
  height: 280px;
  padding: 0.75rem 1rem 1rem;
}

.chart-wrap.tall {
  height: 360px;
}

#view-budget .table-card,
#view-savings .table-card {
  margin-bottom: 2.5rem;
  position: relative;
  z-index: 2;
}

#view-budget .chart-grid,
#view-savings .chart-grid {
  margin-top: 0.5rem;
  gap: 1.75rem;
  clear: both;
}

#view-budget .chart-card,
#view-savings .chart-card {
  overflow: hidden;
  min-height: 0;
}

#view-budget .chart-wrap,
#view-savings .chart-wrap {
  overflow: hidden;
}

#view-budget .chart-wrap {
  height: 315px;
}

#view-savings .chart-wrap {
  height: 630px;
}

#view-budget .chart-wrap.tall {
  height: 405px;
}

#view-savings .chart-wrap.tall {
  height: 810px;
}

#view-budget .chart-wrap-wide {
  height: min(42vh, 1012px);
}

#view-savings .chart-wrap-wide {
  height: min(85vh, 2025px);
}

#view-budget .chart-wrap canvas,
#view-savings .chart-wrap canvas {
  display: block;
  max-height: 100%;
}

#view-dashboards #energy-panel-power-plants .table-card {
  margin-bottom: 2.5rem;
}

#view-dashboards #energy-panel-power-plants .chart-wrap {
  height: 420px;
}

#view-dashboards #energy-panel-power-plants .chart-wrap.tall,
#view-dashboards #energy-panel-power-plants .chart-wrap-wide {
  height: 630px;
}

.explorer-layout {
  display: grid;
  grid-template-columns: minmax(0, 320px) 1fr;
  gap: 1.25rem;
  align-items: start;
}

.explorer-filters {
  padding: 1.1rem;
  position: sticky;
  top: 88px;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.explorer-filters .filter-group,
.explorer-filters .facet-filters .filter-group {
  min-width: 0;
  width: 100%;
}

.explorer-filters .filter-group select,
.explorer-filters .filter-group input,
.explorer-filters .facet-filters select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.explorer-filters .filter-group select,
.explorer-filters .facet-filters select {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 2.25rem;
  cursor: pointer;
}

.explorer-filters .filter-group select option,
.explorer-filters .facet-filters select option {
  white-space: normal;
}

.explorer-filters h3,
.meta-card h3 {
  margin: 0 0 1rem;
}

.facet-filters {
  display: grid;
  gap: 0.85rem;
  margin: 0.85rem 0;
}

.explorer-results {
  display: grid;
  gap: 1.25rem;
}

.meta-card {
  padding: 1rem 1.1rem;
}

.meta-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.table-card {
  overflow: hidden;
}

.table-wrap {
  overflow: auto;
  max-height: 420px;
  isolation: isolate;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

thead {
  position: sticky;
  top: 0;
  background: #1a2740;
  z-index: 1;
}

th,
td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

td.num {
  font-family: var(--mono);
  text-align: right;
}

.record-count {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 10px;
  padding: 0.6rem 0.95rem;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn:hover {
  border-color: rgba(56, 189, 248, 0.35);
}

.btn-primary {
  background: linear-gradient(135deg, rgba(34, 211, 168, 0.9), rgba(56, 189, 248, 0.85));
  border: none;
  color: #041018;
  font-weight: 600;
}

.btn-ghost {
  background: transparent;
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.78rem;
}

.btn-block {
  width: 100%;
  margin-top: 0.5rem;
}

.chart-type-toggle {
  display: flex;
  gap: 0.35rem;
}

.chart-type-toggle .active {
  background: rgba(34, 211, 168, 0.18);
  border-color: rgba(34, 211, 168, 0.35);
  color: var(--accent);
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 18, 0.72);
  display: grid;
  place-items: center;
  gap: 0.75rem;
  z-index: 100;
}

.loading-overlay[hidden] {
  display: none !important;
}

.spinner {
  width: 42px;
  height: 42px;
  border: 3px solid rgba(148, 163, 184, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.toast-container {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.5rem;
  z-index: 110;
}

.toast {
  background: #1f2f4d;
  border: 1px solid var(--border);
  border-left: 4px solid var(--danger);
  padding: 0.75rem 1rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  max-width: 360px;
}

.toast.success {
  border-left-color: var(--accent);
}

.maps-source-note {
  margin: 0 0 0.85rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.map-page-layout {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 1.25rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
}

.map-selector-panel {
  flex: 0 0 357px;
  width: 357px;
  min-width: 357px;
  max-width: 357px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-selector-heading {
  margin: 0;
  padding: 0.9rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.map-selector-filters {
  display: grid;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.map-selector-filters .filter-group {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.map-selector-filters label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.map-selector-filters select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.84rem;
}

.map-selector-filters select:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.map-project-count {
  padding: 0.55rem 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.map-selector-scroll {
  max-height: 680px;
  overflow-x: auto;
  overflow-y: auto;
}

.map-project-row {
  display: grid;
  gap: 0.2rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.86rem;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.map-project-name {
  color: inherit;
  line-height: 1.35;
}

.map-project-meta {
  font-size: 0.74rem;
  color: var(--text-muted);
  opacity: 0.85;
  line-height: 1.3;
}

.map-project-row-selected .map-project-meta,
.map-project-row:hover .map-project-meta {
  opacity: 1;
}

.map-project-row:hover {
  background: rgba(34, 211, 168, 0.08);
  color: var(--text);
}

.map-project-row-selected,
.map-project-row-selected:hover {
  background: rgba(34, 211, 168, 0.16);
  color: var(--accent);
  font-weight: 600;
}

.map-empty-list {
  margin: 0;
  padding: 1rem;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.map-frame-panel {
  flex: 1 1 auto;
  min-width: 0;
  position: relative;
}

.map-toolbar {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 500;
  display: flex;
  gap: 0.5rem;
}

.map-toolbar-btn {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(21, 34, 56, 0.92);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.map-toolbar-btn:hover {
  background: rgba(34, 211, 168, 0.12);
  border-color: rgba(34, 211, 168, 0.45);
}

.map-toolbar-btn[aria-pressed="true"] {
  background: rgba(34, 211, 168, 0.2);
  border-color: rgba(34, 211, 168, 0.55);
  color: var(--accent);
}

.map-voltage-legend {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  z-index: 500;
  min-width: 190px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(21, 34, 56, 0.94);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  font-size: 0.72rem;
  color: var(--text);
  pointer-events: none;
}

.map-voltage-legend-title {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
}

.map-voltage-legend-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.map-voltage-legend-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.35rem;
  line-height: 1.2;
}

.map-voltage-swatch {
  display: inline-block;
  width: 22px;
  height: 4px;
  border-radius: 2px;
  flex: 0 0 22px;
}

.map-voltage-legend-note {
  margin-top: 0.5rem;
  font-size: 0.68rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.map-frame-panel:fullscreen .map-voltage-legend,
.map-frame-panel:-webkit-full-screen .map-voltage-legend {
  bottom: 16px;
}

.map-frame-panel:fullscreen,
.map-frame-panel:-webkit-full-screen {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  padding: 0;
  background: var(--bg);
}

.map-frame-panel:fullscreen .map-canvas,
.map-frame-panel:-webkit-full-screen .map-canvas {
  flex: 1 1 0;
  width: 100%;
  max-width: none;
  height: 100%;
  min-height: 0;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.map-frame-panel:fullscreen .map-toolbar,
.map-frame-panel:-webkit-full-screen .map-toolbar {
  top: 16px;
  right: 16px;
}

.map-canvas {
  display: block;
  width: 100%;
  max-width: 966px;
  height: 920px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  background: var(--bg-elevated);
  z-index: 1;
}

.map-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 0.75rem 1rem;
  max-width: 80%;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: rgba(21, 34, 56, 0.94);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  pointer-events: none;
  z-index: 2;
}

.leaflet-container {
  font-family: var(--font);
  background: var(--bg-elevated);
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: var(--bg-card);
  color: var(--text);
  box-shadow: var(--shadow);
}

.map-popup {
  display: grid;
  gap: 0.35rem;
  min-width: 180px;
}

.map-popup-title {
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.15rem;
}

.map-popup-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.78rem;
}

.map-popup-row span {
  color: var(--text-muted);
}

.map-popup-row strong {
  font-weight: 600;
  text-align: right;
}

@media (max-width: 1100px) {
  .chart-grid,
  .fertility-grid {
    grid-template-columns: 1fr;
  }

  .explorer-layout {
    grid-template-columns: 1fr;
  }

  .explorer-filters {
    position: static;
  }
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    width: min(85vw, var(--sidebar-width));
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }
}