:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --panel: #ffffff;
  --ink: #171717;
  --muted: #66615a;
  --line: #ddd7cd;
  --line-strong: #c7bfb2;
  --green: #1f8a5b;
  --green-soft: #d8efe3;
  --red: #c94b41;
  --red-soft: #f7dedb;
  --blue: #3867b7;
  --yellow: #bd8a1c;
  --shadow: 0 14px 40px rgba(35, 31, 26, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

.page {
  width: min(1500px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 14px 0 34px;
}

.hero {
  display: block;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1;
  font-weight: 850;
}

.subtitle,
.source,
.viz-head p {
  margin: 0;
  color: var(--muted);
}

.header-meta {
  display: grid;
  gap: 4px;
  text-align: right;
}

.subtitle {
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}

.source {
  font-size: 12px;
}

.controls {
  display: grid;
  grid-template-columns: repeat(7, minmax(120px, 1fr));
  gap: 10px;
  padding: 10px 0 12px;
}

label {
  display: grid;
  gap: 6px;
}

label span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

select {
  width: 100%;
  height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: #fffdfa;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  padding: 0 9px;
}

.dashboard {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 16px;
  align-items: stretch;
}

.summary,
.viz-panel,
.insight-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
}

.summary {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.stat span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.stat strong {
  font-size: 18px;
  white-space: nowrap;
}

.legend,
.brand-list {
  padding-top: 8px;
}

.legend h2,
.brand-list h2,
.viz-head h2 {
  margin: 0;
  font-size: 14px;
}

.legend-row,
.brand-row {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.swatch {
  width: 14px;
  height: 14px;
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.12);
}

.bar {
  height: 5px;
  background: var(--line);
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: var(--ink);
}

.viz-panel {
  min-height: 730px;
  display: grid;
  grid-template-rows: auto 1fr;
}

.viz-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.active-count {
  align-self: start;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  white-space: nowrap;
}

.treemap {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  background: #fbfaf7;
}

.brand-tile,
.product-tile {
  position: absolute;
  overflow: hidden;
}

.brand-tile {
  border: 2px solid #fbfaf7;
  background: #ece6dc;
}

.brand-label {
  position: absolute;
  top: 8px;
  left: 9px;
  right: 9px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: rgba(23, 23, 23, 0.88);
  font-size: 12px;
  font-weight: 850;
  pointer-events: none;
}

.brand-label span:last-child {
  color: rgba(23, 23, 23, 0.58);
  font-weight: 750;
}

.product-tile {
  border: 1px solid rgba(255, 255, 255, 0.84);
  padding: 8px;
  color: #171717;
  cursor: default;
  transition:
    filter 140ms ease,
    transform 140ms ease,
    box-shadow 140ms ease;
}

.product-tile:hover,
.product-tile:focus {
  z-index: 5;
  filter: saturate(1.12) contrast(1.04);
  outline: 2px solid rgba(23, 23, 23, 0.72);
  outline-offset: -2px;
}

.product-name {
  font-size: 12px;
  font-weight: 850;
  line-height: 1.15;
}

.product-meta {
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.25;
  color: rgba(23, 23, 23, 0.72);
}

.tiny .product-meta {
  display: none;
}

.micro .product-name {
  font-size: 0;
}

.tooltip {
  position: fixed;
  z-index: 20;
  width: min(370px, calc(100vw - 24px));
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  padding: 14px;
  pointer-events: none;
}

.tooltip h3 {
  margin: 0;
  font-size: 18px;
}

.tooltip .muted {
  margin: 4px 0 12px;
  color: var(--muted);
  font-size: 12px;
}

.tooltip-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px 12px;
  font-size: 12px;
}

.tooltip-grid span {
  color: var(--muted);
}

.tooltip-grid strong {
  display: block;
  margin-top: 2px;
}

.sparkline {
  width: 100%;
  height: 72px;
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.sparkline svg {
  display: block;
  width: 100%;
  height: 56px;
}

.insights {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.insight-panel {
  min-height: 246px;
  padding: 14px;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-size: 14px;
}

.panel-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.rank-table {
  display: grid;
  gap: 2px;
  margin-top: 10px;
}

.rank-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 38px;
  border-bottom: 1px solid rgba(221, 215, 205, 0.72);
  font-size: 12px;
}

.rank-row:last-child {
  border-bottom: 0;
}

.rank-index {
  color: var(--muted);
  font-weight: 850;
}

.rank-main {
  min-width: 0;
}

.rank-main strong {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-main span {
  display: block;
  margin-top: 2px;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-value {
  font-weight: 850;
  white-space: nowrap;
}

.rank-value.down {
  color: var(--green);
}

.rank-value.up {
  color: var(--red);
}

.buy-timing {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
}

.buy-card {
  display: grid;
  gap: 4px;
  padding: 9px 10px;
  border: 1px solid rgba(221, 215, 205, 0.9);
  background: rgba(255, 253, 250, 0.7);
  font-size: 12px;
}

.buy-card.good {
  border-color: rgba(31, 138, 91, 0.28);
  background: rgba(216, 239, 227, 0.48);
}

.buy-card.warn {
  border-color: rgba(201, 75, 65, 0.28);
  background: rgba(247, 222, 219, 0.52);
}

.buy-card span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
}

.buy-card strong {
  color: var(--ink);
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.buy-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.35;
}

.page-end {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.page-end div {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-end strong {
  color: var(--ink);
  font-size: 13px;
}

.page-end p {
  margin: 0;
  text-align: right;
}

@media (max-width: 1100px) {
  .controls {
    grid-template-columns: repeat(4, minmax(130px, 1fr));
  }

  .dashboard {
    grid-template-columns: 1fr;
  }

  .insights {
    grid-template-columns: 1fr 1fr;
  }

  .insight-panel.wide {
    grid-column: span 2;
  }

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

  .legend,
  .brand-list {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .page {
    width: min(100vw - 20px, 1500px);
    padding-top: 18px;
  }

  .title-row,
  .viz-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-meta {
    text-align: left;
  }

  .controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-end {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-end div {
    display: grid;
    gap: 4px;
  }

  .page-end p {
    text-align: left;
  }

  .insights {
    grid-template-columns: 1fr;
  }

  .insight-panel.wide {
    grid-column: auto;
  }

  .legend,
  .brand-list {
    grid-column: span 2;
  }

  .treemap {
    min-height: 590px;
  }
}