:root {
  --bg: #071019;
  --panel: rgba(10, 18, 28, 0.92);
  --panel-strong: #101a25;
  --panel-soft: #152131;
  --ink: #eef5ff;
  --muted: #93a7bc;
  --line: rgba(139, 163, 186, 0.22);
  --accent: #5bc3d4;
  --accent-soft: rgba(91, 195, 212, 0.14);
  --shadow: rgba(0, 0, 0, 0.36);
  --map-surface: #0a111b;
  --map-grid: rgba(255, 255, 255, 0.04);
  --map-border: rgba(146, 170, 196, 0.18);
  --hover-stroke: #90e8ff;
  --selection-stroke: #ffd166;
  --warning: #e07f86;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(91, 195, 212, 0.14), transparent 22%),
    radial-gradient(circle at 85% 20%, rgba(255, 209, 102, 0.08), transparent 20%),
    linear-gradient(180deg, #09111b 0%, #060c14 100%);
}

button,
input,
select {
  font: inherit;
}

code {
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  background: rgba(91, 195, 212, 0.12);
  color: var(--accent);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 390px) 1fr;
  height: 100vh;
}

.sidebar {
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(91, 195, 212, 0.42) rgba(8, 14, 22, 0.88);
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 18, 28, 0.95), rgba(8, 14, 22, 0.98));
  backdrop-filter: blur(20px);
}

.sidebar::-webkit-scrollbar {
  width: 12px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(8, 14, 22, 0.9);
}

.sidebar::-webkit-scrollbar-thumb {
  border: 2px solid rgba(8, 14, 22, 0.9);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(91, 195, 212, 0.5), rgba(54, 118, 144, 0.58));
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(120, 223, 241, 0.62), rgba(76, 149, 179, 0.68));
}

.sidebar-inner {
  padding: 1.35rem;
}

.sidebar h1 {
  margin: 0;
  font-size: 2.05rem;
  line-height: 1;
}

.intro {
  margin: 0.8rem 0 1.4rem;
  color: var(--muted);
  line-height: 1.5;
}

.panel-section {
  margin-bottom: 1.2rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(19, 29, 43, 0.88), rgba(15, 23, 34, 0.96));
  box-shadow: 0 20px 48px var(--shadow);
}

.panel-section h2 {
  margin: 0 0 0.85rem;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.control-group {
  margin-bottom: 0.95rem;
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-label,
label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.text-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(91, 195, 212, 0.45);
  text-underline-offset: 0.18em;
}

.text-link:hover {
  color: #88e4f1;
  text-decoration-color: rgba(136, 228, 241, 0.7);
}

.numeric-stack {
  display: grid;
  gap: 0.65rem;
}

.numeric-stack-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
}

.numeric-stack-actions {
  display: flex;
  gap: 0.35rem;
}

.stack-button {
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid rgba(139, 163, 186, 0.26);
  border-radius: 0.8rem;
  background: rgba(19, 29, 43, 0.84);
  color: var(--accent);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease, transform 120ms ease;
}

.stack-button:hover:enabled {
  transform: translateY(-1px);
  border-color: rgba(91, 195, 212, 0.36);
  color: var(--ink);
}

.stack-button:disabled {
  cursor: default;
  color: #66788b;
  background: rgba(13, 21, 31, 0.9);
}

.range-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.range-value {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.range-input {
  width: 100%;
  height: 1.35rem;
  padding: 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.range-input:disabled {
  cursor: default;
  background: transparent;
}

.range-input::-webkit-slider-runnable-track {
  height: 0.38rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(127, 151, 179, 0.22), rgba(91, 195, 212, 0.52));
}

.range-input::-webkit-slider-thumb {
  appearance: none;
  width: 1rem;
  height: 1rem;
  margin-top: -0.31rem;
  border: 1px solid rgba(189, 234, 244, 0.7);
  border-radius: 999px;
  background: linear-gradient(180deg, #89d2dd, #5bbfd6);
  box-shadow: 0 0 0 4px rgba(91, 195, 212, 0.16);
}

.range-input::-moz-range-track {
  height: 0.38rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(127, 151, 179, 0.22), rgba(91, 195, 212, 0.52));
}

.range-input::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border: 1px solid rgba(189, 234, 244, 0.7);
  border-radius: 999px;
  background: linear-gradient(180deg, #89d2dd, #5bbfd6);
  box-shadow: 0 0 0 4px rgba(91, 195, 212, 0.16);
}

.range-input:disabled::-webkit-slider-runnable-track,
.range-input:disabled::-moz-range-track {
  background: rgba(127, 151, 179, 0.16);
}

.range-input:disabled::-webkit-slider-thumb,
.range-input:disabled::-moz-range-thumb {
  border-color: rgba(127, 151, 179, 0.24);
  background: #445465;
  box-shadow: none;
}

select,
input[type="file"] {
  width: 100%;
  padding: 0.78rem 0.9rem;
  border: 1px solid rgba(139, 163, 186, 0.26);
  border-radius: 14px;
  background: rgba(17, 27, 39, 0.92);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

select:disabled,
input:disabled {
  color: #697b8d;
  background: rgba(13, 21, 31, 0.9);
}

.segment-control {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
}

.segment-control button,
.secondary-button {
  border: 1px solid rgba(139, 163, 186, 0.26);
  border-radius: 999px;
  padding: 0.72rem 0.9rem;
  background: rgba(19, 29, 43, 0.84);
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease, transform 120ms ease;
}

.segment-control button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
  border-color: rgba(91, 195, 212, 0.36);
  color: var(--ink);
}

.segment-control button.is-active {
  border-color: rgba(91, 195, 212, 0.46);
  background: linear-gradient(180deg, rgba(17, 47, 61, 0.94), rgba(12, 35, 47, 0.98));
  color: var(--accent);
}

.help-text,
.muted {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.legend-box,
.details-box {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(19, 29, 43, 0.88), rgba(15, 23, 34, 0.96));
  box-shadow: 0 20px 48px var(--shadow);
}

.legend-box p,
.details-box p {
  margin: 0;
}

.legend-box > strong,
.details-box > strong {
  color: var(--accent);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(4, 9, 15, 0.68);
  backdrop-filter: blur(6px);
}

.modal-card {
  width: min(760px, 100%);
  max-height: min(82vh, 780px);
  overflow: hidden;
  border: 1px solid rgba(139, 163, 186, 0.24);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(14, 22, 33, 0.98), rgba(10, 17, 26, 0.99));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(139, 163, 186, 0.18);
}

.modal-header h2 {
  margin: 0;
  color: var(--accent);
  font-size: 1.05rem;
}

.modal-close {
  border: 1px solid rgba(139, 163, 186, 0.26);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  background: rgba(19, 29, 43, 0.84);
  color: var(--muted);
  cursor: pointer;
}

.modal-close:hover {
  border-color: rgba(91, 195, 212, 0.36);
  color: var(--ink);
}

.modal-content {
  max-height: calc(min(82vh, 780px) - 4.2rem);
  overflow: auto;
}

.modal-code {
  margin: 0;
  padding: 1rem 1.1rem 1.2rem;
  color: #dcecff;
  background:
    linear-gradient(180deg, rgba(7, 13, 21, 0.92), rgba(8, 13, 20, 0.98)),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 26px,
      rgba(255, 255, 255, 0.025) 26px,
      rgba(255, 255, 255, 0.025) 27px
    );
  font: 0.9rem/1.55 "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.modal-copy {
  padding: 1rem 1.1rem 1.2rem;
  color: var(--ink);
  line-height: 1.65;
}

.modal-copy p {
  margin: 0;
}

.modal-copy a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(91, 195, 212, 0.45);
  text-underline-offset: 0.18em;
}

.modal-copy a:hover {
  color: #88e4f1;
  text-decoration-color: rgba(136, 228, 241, 0.7);
}

.legend-title,
.details-title {
  margin: 0.5rem 0 0.25rem;
  font-size: 1rem;
}

.legend-description,
.details-meta {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.legend-items {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.55rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.92rem;
}

.swatch {
  width: 1rem;
  height: 1rem;
  border-radius: 0.3rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  flex: 0 0 auto;
}

.detail-table {
  width: 100%;
  margin-top: 0.9rem;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.detail-table td {
  padding: 0.55rem 0;
  border-top: 1px solid rgba(139, 163, 186, 0.14);
  vertical-align: top;
}

.detail-table td:first-child {
  width: 38%;
  padding-right: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.map-panel {
  display: grid;
  grid-template-rows: 3.5rem minmax(0, 1fr);
  height: 100vh;
  min-width: 0;
  min-height: 0;
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 13, 21, 0.84);
  backdrop-filter: blur(12px);
}

.status-copy {
  min-width: 0;
  color: var(--muted);
  font-size: 0.93rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 0 0 auto;
}

.secondary-button {
  padding: 0.55rem 0.9rem;
  font-size: 0.88rem;
  flex: 0 0 auto;
}

.map-stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
  overscroll-behavior: contain;
  background:
    radial-gradient(circle at 30% 15%, rgba(91, 195, 212, 0.08), transparent 20%),
    radial-gradient(circle at 72% 24%, rgba(255, 209, 102, 0.06), transparent 18%),
    linear-gradient(180deg, rgba(11, 18, 28, 0.98), rgba(7, 12, 20, 1)),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 42px,
      var(--map-grid) 42px,
      var(--map-grid) 43px
    );
}

#mapSvg {
  width: 100%;
  height: 100%;
  display: block;
}

.nation-shape,
.map-overlay,
.map-region {
  vector-effect: non-scaling-stroke;
}

.map-region {
  cursor: pointer;
  transition: fill 120ms ease, stroke 120ms ease, opacity 120ms ease;
}

.map-region:hover {
  filter: brightness(1.08);
}

.map-region[data-level="state"] {
  stroke-width: 1.2;
}

.map-region[data-level="county"] {
  stroke-width: 0.3;
}

.map-region.is-warning[data-level="state"] {
  stroke-width: 1.45;
}

.map-region.is-warning[data-level="county"] {
  stroke-width: 0.78;
}

.map-region.is-selected {
  stroke: var(--selection-stroke);
}

.map-region.is-selected[data-level="state"] {
  stroke-width: 2.3;
}

.map-region.is-selected[data-level="county"] {
  stroke-width: 0.95;
}

.map-tooltip {
  position: absolute;
  z-index: 5;
  max-width: 260px;
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(139, 163, 186, 0.22);
  border-radius: 14px;
  background: rgba(8, 14, 22, 0.96);
  color: var(--ink);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.42);
  pointer-events: none;
  font-size: 0.9rem;
  line-height: 1.45;
}

.tooltip-title {
  font-weight: 700;
}

.tooltip-row {
  margin-top: 0.18rem;
}

.tooltip-row.is-missing {
  color: var(--warning);
}

[hidden] {
  display: none !important;
}

@media (max-width: 960px) {
  body {
    overflow: auto;
  }

  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    overflow-y: visible;
  }

  .map-panel {
    height: auto;
  }

  .map-stage {
    min-height: 72vh;
  }
}

@media (max-width: 640px) {
  .sidebar-inner {
    padding: 1rem;
  }

  .status-bar {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 0.75rem 1rem;
  }

  .status-copy {
    white-space: normal;
  }

  .status-actions {
    width: 100%;
    justify-content: flex-end;
  }
}