:root {
  color-scheme: dark;
  --bg: #07100f;
  --panel: rgba(9, 18, 18, 0.78);
  --panel-border: rgba(193, 230, 222, 0.18);
  --text: #eef8f5;
  --muted: #a6bbb5;
  --air: #59c7f9;
  --rail: #f2c14e;
  --road: #ee6c4d;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow: hidden;
  background: radial-gradient(circle at 35% 20%, #183836 0%, var(--bg) 54%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button {
  font: inherit;
}

.shell,
.stage {
  width: 100vw;
  height: 100vh;
}

.stage {
  position: relative;
  overflow: hidden;
}

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

.topbar {
  position: absolute;
  top: 20px;
  left: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  pointer-events: none;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.75rem, 2.4rem, 2.8rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.topbar p {
  max-width: 760px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 1rem;
}

.dimension-buttons {
  pointer-events: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.dimension-button {
  min-width: 48px;
  padding: 8px 10px;
  border: 1px solid rgba(193, 230, 222, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  cursor: pointer;
}

.dimension-button:hover {
  border-color: rgba(238, 248, 245, 0.38);
  color: var(--text);
}

.dimension-button.active {
  border-color: rgba(246, 211, 107, 0.88);
  background: rgba(246, 211, 107, 0.14);
  color: var(--text);
}

.dimension-view {
  position: absolute;
  left: 24px;
  top: 148px;
  width: min(760px, calc(100vw - 432px));
  max-height: calc(100vh - 176px);
  overflow: auto;
  padding: 18px;
  border: 1px solid rgba(193, 230, 222, 0.18);
  border-radius: 8px;
  background: rgba(7, 16, 15, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

.dimension-view[hidden] {
  display: none;
}

.concept-label {
  color: #f6d36b;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.concept-title {
  margin: 6px 0 12px;
  font-size: 1.35rem;
}

.concept-copy {
  margin-bottom: 18px;
  color: var(--muted);
}

.point-demo {
  display: grid;
  place-items: center;
  min-height: 320px;
}

.sales-dot {
  display: grid;
  place-items: center;
  width: 156px;
  height: 156px;
  border-radius: 50%;
  background: radial-gradient(circle, #f6d36b 0%, #f2c14e 34%, rgba(246, 211, 107, 0.06) 70%);
  box-shadow: 0 0 70px rgba(246, 211, 107, 0.48);
  color: #07100f;
  font-weight: 900;
}

.mini-chart {
  display: grid;
  gap: 12px;
}

.mini-row {
  display: block;
  color: var(--muted);
}

.mini-row i {
  display: block;
  margin: 6px 0 4px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.mini-row em {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #f6d36b, #f2c14e, #fff1a8);
  box-shadow: 0 0 16px rgba(246, 211, 107, 0.32);
}

.mini-row b {
  color: var(--text);
  float: right;
}

.timeline-line {
  padding-top: 40px;
}

.timeline-axis {
  display: flex;
  align-items: stretch;
  width: 100%;
  min-height: 72px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 34px rgba(246, 211, 107, 0.18);
}

.timeline-segment {
  position: relative;
  min-width: 34px;
  border-right: 1px solid rgba(7, 16, 15, 0.42);
  background: var(--segment-color);
  box-shadow: inset 0 18px 22px rgba(255, 255, 255, 0.22);
}

.timeline-segment:last-child {
  border-right: 0;
}

.timeline-segment span,
.timeline-segment b {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  text-shadow: 0 1px 5px rgba(7, 16, 15, 0.72);
}

.timeline-segment span {
  top: 14px;
  color: #07100f;
  font-weight: 900;
}

.timeline-segment b {
  bottom: 12px;
  color: rgba(7, 16, 15, 0.86);
  font-size: 0.78rem;
  font-weight: 900;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--muted);
}

.matrix-chart-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 18px;
  align-items: start;
}

.matrix-table th,
.matrix-table td {
  padding: 9px 10px;
  border-bottom: 1px solid rgba(193, 230, 222, 0.14);
  text-align: right;
}

.matrix-table th:first-child,
.matrix-table td:first-child {
  text-align: left;
}

.matrix-table th {
  color: #d5e7e2;
}

.matrix-table td {
  color: var(--text);
}

.column-chart {
  margin-top: 0;
}

.column-chart h2 {
  margin-bottom: 12px;
}

.grouped-bars {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 8px;
  align-items: end;
  min-height: 230px;
  padding-top: 6px;
}

.bar-group {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 8px;
  min-width: 0;
  height: 204px;
  text-align: center;
}

.bar-stack {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 3px;
  min-height: 160px;
}

.bar-stack i {
  display: block;
  width: 8px;
  min-height: 4px;
  border-radius: 5px 5px 1px 1px;
  background: var(--bar-color);
  box-shadow: 0 0 10px color-mix(in srgb, var(--bar-color), transparent 55%);
}

.bar-group span {
  color: var(--muted);
  font-size: 0.8rem;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.chart-legend i {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--bar-color);
}

.icon-button {
  pointer-events: auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: rgba(9, 18, 18, 0.68);
  color: var(--text);
  cursor: pointer;
}

.icon-button:hover {
  border-color: rgba(238, 248, 245, 0.48);
  background: rgba(17, 32, 31, 0.84);
}

.panel {
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: min(360px, calc(100vw - 48px));
  padding: 18px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

.panel-section + .panel-section {
  margin-top: 18px;
}

h2 {
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #d5e7e2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.encoding-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0;
}

.encoding-list div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 10px;
  align-items: baseline;
}

.encoding-list dt {
  color: #f6d36b;
  font-weight: 800;
}

.encoding-list dd {
  margin: 0;
  color: var(--muted);
}

.pills,
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pills {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pill {
  min-width: 0;
  padding: 7px 10px;
  border: 1px solid rgba(193, 230, 222, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  cursor: pointer;
  text-align: center;
}

.pill:hover {
  border-color: rgba(238, 248, 245, 0.38);
  color: var(--text);
}

.pill.active {
  border-color: rgba(246, 211, 107, 0.88);
  background: rgba(246, 211, 107, 0.14);
  color: var(--text);
}

.resume-button {
  width: 100%;
  margin-top: 10px;
  padding: 9px 12px;
  border: 1px solid rgba(246, 211, 107, 0.5);
  border-radius: 8px;
  background: rgba(246, 211, 107, 0.12);
  color: var(--text);
  cursor: pointer;
}

.resume-button:disabled {
  border-color: rgba(193, 230, 222, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(166, 187, 181, 0.62);
  cursor: default;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  box-shadow: 0 0 14px currentColor;
}

.air {
  background: var(--air);
  color: var(--air);
}

.rail {
  background: var(--rail);
  color: var(--rail);
}

.road {
  background: var(--road);
  color: var(--road);
}

.fact-card {
  position: absolute;
  left: 24px;
  bottom: 24px;
  width: min(390px, calc(100vw - 48px));
  padding: 16px;
  border: 1px solid rgba(246, 211, 107, 0.28);
  border-radius: 8px;
  background: rgba(7, 16, 15, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

.summary-card {
  position: absolute;
  left: 24px;
  bottom: 24px;
  width: min(390px, calc(100vw - 48px));
  max-height: calc(100vh - 156px);
  overflow: auto;
  padding: 16px;
  border: 1px solid rgba(193, 230, 222, 0.18);
  border-radius: 8px;
  background: rgba(7, 16, 15, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

@media (min-width: 980px) {
  .fact-card {
    left: 438px;
  }
}

.fact-card span,
.fact-card strong,
.summary-card span,
.summary-card strong {
  display: block;
}

.fact-card .label,
.summary-card .label {
  color: #f6d36b;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fact-card strong,
.summary-card strong {
  margin: 6px 0;
  font-size: 1.1rem;
}

.fact-card span:last-child {
  color: var(--muted);
}

.summary-group {
  margin-top: 12px;
}

.summary-group h2 {
  margin-bottom: 7px;
}

.summary-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  width: 100%;
  margin-top: 7px;
  padding: 4px 0 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  --bar-color: #f6d36b;
}

.summary-row:hover span,
.summary-row:hover b {
  color: var(--text);
}

.summary-row.active {
  color: var(--text);
}

.summary-row.active span,
.summary-row.active b {
  color: #f6d36b;
}

.summary-row.active i {
  background: rgba(246, 211, 107, 0.18);
}

.summary-row span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.summary-row b {
  color: var(--text);
  font-size: 0.9rem;
}

.summary-row i {
  grid-column: 1 / -1;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.summary-row em {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--bar-color);
}

@media (max-width: 760px) {
  body {
    overflow: auto;
  }

  .shell,
  .stage {
    min-height: 100vh;
    height: 100svh;
  }

  .topbar {
    top: 14px;
    left: 14px;
    right: 14px;
  }

  h1 {
    font-size: 1.72rem;
  }

  .topbar p {
    max-width: 280px;
    font-size: 0.9rem;
  }

  .dimension-buttons {
    max-width: 300px;
    gap: 6px;
  }

  .dimension-button {
    min-width: 42px;
    padding: 7px 8px;
  }

  .dimension-view {
    left: 12px;
    right: 12px;
    top: 170px;
    width: auto;
    max-height: calc(100vh - 190px);
    padding: 14px;
  }

  .timeline-line {
    overflow-x: auto;
    padding: 36px 0 34px;
  }

  .timeline-axis {
    min-width: 720px;
    min-height: 64px;
  }

  .matrix-chart-grid {
    grid-template-columns: 1fr;
  }

  .panel {
    right: 12px;
    bottom: 12px;
    padding: 14px;
  }

  .fact-card {
    left: 12px;
    bottom: auto;
    top: 116px;
    width: min(320px, calc(100vw - 24px));
    padding: 13px;
  }

  .summary-card {
    display: none;
  }

  .encoding-list div {
    grid-template-columns: 70px 1fr;
  }
}