.explorer-page {
  min-height: calc(100svh - 68px);
  background:
    radial-gradient(circle at 12% 16%, color-mix(in srgb, var(--wash-red) 72%, transparent), transparent 28vw),
    radial-gradient(circle at 78% 18%, color-mix(in srgb, var(--wash-blue) 72%, transparent), transparent 30vw),
    linear-gradient(180deg, var(--solid), var(--paper));
}

.explorer-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  gap: clamp(18px, 2vw, 28px);
  align-items: start;
  min-height: calc(100svh - 68px);
  padding: clamp(18px, 2vw, 28px);
}

.explorer-stage {
  display: grid;
  min-height: 620px;
  color: var(--active-ink, #111111);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--active-color, #f9f4dc) 82%, white), var(--active-color, #f9f4dc)),
    var(--active-color, #f9f4dc);
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  overflow: hidden;
  transition: background 340ms var(--ease-out-quart), color 240ms ease;
}

.explorer-stage-inner {
  display: grid;
  align-content: end;
  max-width: 980px;
  padding: clamp(30px, 6vw, 86px);
}

.explorer-kicker {
  margin-bottom: clamp(18px, 2vw, 28px);
  color: var(--active-soft, rgba(17, 17, 17, 0.72));
  font-family: var(--font-rounded);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.explorer-stage h1 {
  max-width: none;
  margin-bottom: clamp(18px, 3vw, 34px);
  color: inherit;
  font-size: clamp(4rem, 13vw, 12rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.explorer-note {
  max-width: 680px;
  margin-bottom: clamp(24px, 4vw, 48px);
  color: var(--active-soft, rgba(17, 17, 17, 0.72));
  font-size: clamp(1rem, 1.35vw, 1.28rem);
}

.explorer-primary-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 820px;
  border-top: 1px solid color-mix(in srgb, currentColor 32%, transparent);
  border-bottom: 1px solid color-mix(in srgb, currentColor 32%, transparent);
}

.explorer-primary-values button {
  min-width: 0;
  padding: clamp(14px, 1.6vw, 22px) clamp(10px, 1.5vw, 18px);
  color: inherit;
  background: transparent;
  border: 0;
  border-right: 1px solid color-mix(in srgb, currentColor 24%, transparent);
  cursor: pointer;
  text-align: left;
}

.explorer-primary-values button:last-child {
  border-right: 0;
}

.explorer-primary-values button:hover,
.explorer-primary-values button:focus-visible {
  background: color-mix(in srgb, currentColor 9%, transparent);
  outline: none;
}

.explorer-primary-values span,
.explorer-primary-values strong {
  display: block;
  overflow-wrap: anywhere;
}

.explorer-primary-values span {
  margin-bottom: 8px;
  color: var(--active-soft, rgba(17, 17, 17, 0.72));
  font-family: var(--font-rounded);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.explorer-primary-values strong {
  font-size: clamp(1.05rem, 1.5vw, 1.45rem);
  line-height: 1.2;
}

.explorer-panel {
  position: sticky;
  top: 86px;
  display: grid;
  grid-template-rows: auto auto auto auto auto auto minmax(180px, 1fr) auto;
  gap: 14px;
  max-height: calc(100svh - 112px);
  min-height: 0;
  padding: 18px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.explorer-panel-head,
.explorer-spectrum-head,
.explorer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.explorer-panel-head span,
.explorer-spectrum-head span,
.explorer-actions span {
  color: var(--muted);
  font-size: 0.88rem;
}

.explorer-panel-head strong {
  font-family: var(--font-rounded);
}

.explorer-controls {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  gap: 8px;
}

.explorer-controls button,
.explorer-hues button {
  min-height: 42px;
  color: var(--ink);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.explorer-controls button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
}

.explorer-controls button:hover,
.explorer-controls button:focus-visible,
.explorer-hues button:hover,
.explorer-hues button:focus-visible {
  background: color-mix(in srgb, var(--ink) 8%, var(--panel));
  border-color: color-mix(in srgb, var(--ink) 24%, var(--line));
  outline: none;
  transform: translateY(-1px);
}

.explorer-search {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 46px;
  padding: 0 14px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.explorer-search:focus-within {
  border-color: color-mix(in srgb, var(--ink) 34%, var(--line));
}

.explorer-search iconify-icon {
  color: var(--muted);
}

.explorer-search input {
  width: 100%;
  min-width: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  outline: none;
}

.explorer-hues {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.explorer-hues button {
  min-width: 0;
  min-height: 38px;
  background: var(--panel);
  border: 0;
  font-size: 0.86rem;
}

.explorer-hues button[aria-pressed="true"] {
  color: var(--inverse);
  background: var(--ink);
}

.explorer-reading {
  padding: 14px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.explorer-reading dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
}

.explorer-reading div {
  min-width: 0;
}

.explorer-reading dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
}

.explorer-reading dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.explorer-spectrum {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.explorer-spectrum button {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 104px;
  padding: 10px;
  overflow: hidden;
  color: var(--swatch-ink);
  background: var(--swatch);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  cursor: pointer;
  text-align: left;
  transition: transform 180ms var(--ease-out-quart), box-shadow 180ms ease, outline-color 180ms ease;
}

.explorer-spectrum button::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 18%, rgba(0, 0, 0, 0.18));
  content: "";
}

.explorer-spectrum button[aria-pressed="true"] {
  outline: 3px solid var(--ink);
  outline-offset: -3px;
}

.explorer-spectrum button:hover,
.explorer-spectrum button:focus-visible {
  z-index: 1;
  box-shadow: 0 12px 28px rgba(17, 17, 17, 0.16);
  outline: 2px solid var(--ink);
  outline-offset: -2px;
  transform: translateY(-2px);
}

.explorer-spectrum span,
.explorer-spectrum small {
  position: relative;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.explorer-spectrum span {
  font-weight: 800;
}

.explorer-spectrum small {
  opacity: 0.8;
}

.explorer-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 28px;
  color: var(--muted);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  text-align: center;
}

.explorer-actions {
  min-height: 36px;
}

.explorer-actions a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.explorer-actions a:hover,
.explorer-actions a:focus-visible {
  text-decoration: underline;
  outline: none;
}

@media (max-width: 1100px) {
  .explorer-workspace {
    grid-template-columns: 1fr;
  }

  .explorer-stage {
    min-height: 520px;
  }

  .explorer-panel {
    position: static;
    grid-template-rows: auto;
    max-height: none;
  }

  .explorer-spectrum {
    grid-template-columns: repeat(auto-fill, minmax(116px, 1fr));
    max-height: 420px;
  }
}

@media (max-width: 720px) {
  .explorer-workspace {
    min-height: auto;
    padding: 14px;
  }

  .explorer-stage {
    min-height: 430px;
  }

  .explorer-stage-inner {
    padding: 26px;
  }

  .explorer-stage h1 {
    font-size: clamp(3.2rem, 21vw, 7rem);
  }

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

  .explorer-primary-values button,
  .explorer-primary-values button:last-child {
    border-right: 0;
    border-bottom: 1px solid color-mix(in srgb, currentColor 24%, transparent);
  }

  .explorer-primary-values button:last-child {
    border-bottom: 0;
  }

  .explorer-panel {
    padding: 14px;
  }

  .explorer-hues {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .explorer-reading dl {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .explorer-spectrum {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 520px;
  }
}

@media (max-width: 420px) {
  .explorer-workspace {
    padding: 10px;
  }

  .explorer-stage-inner {
    padding: 22px;
  }

  .explorer-controls {
    grid-template-columns: 40px minmax(0, 1fr) 40px;
  }

  .explorer-spectrum button {
    min-height: 92px;
  }
}

/* Immersive color browser: the active color owns the whole surface. */
.explorer-page {
  --active-color: #f9f4dc;
  --active-ink: #111111;
  --active-soft: rgba(17, 17, 17, 0.72);
  min-height: calc(100svh - 58px);
  color: var(--active-ink);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--active-color) 92%, var(--paper)) 0%, color-mix(in srgb, var(--active-color) 48%, var(--paper)) 62%, var(--paper) 100%),
    var(--active-color);
  transition: background 360ms var(--ease-out-quart), color 220ms ease;
}

.explorer-workspace {
  grid-template-columns: minmax(0, 1fr) minmax(400px, 460px);
  gap: 0;
  min-height: calc(100svh - 58px);
  padding: 0;
}

.explorer-stage {
  position: relative;
  min-height: calc(100svh - 58px);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--active-color) 96%, white) 0%, var(--active-color) 58%, color-mix(in srgb, var(--active-color) 78%, var(--ink)) 100%);
  border: 0;
}

.explorer-stage::before {
  position: absolute;
  top: clamp(28px, 6vw, 76px);
  right: clamp(22px, 5vw, 72px);
  color: color-mix(in srgb, var(--active-ink) 10%, transparent);
  font-family: var(--font-rounded);
  font-size: clamp(7rem, 18vw, 22rem);
  font-weight: 900;
  line-height: 0.8;
  content: attr(data-active-id);
  pointer-events: none;
}

.explorer-stage::after {
  position: absolute;
  right: clamp(28px, 6vw, 88px);
  bottom: clamp(32px, 7vw, 96px);
  width: min(38vw, 520px);
  height: 1px;
  background: color-mix(in srgb, currentColor 28%, transparent);
  content: "";
}

.explorer-stage-inner {
  position: relative;
  z-index: 1;
  align-content: end;
  min-height: inherit;
  max-width: 1120px;
  padding: clamp(42px, 7vw, 108px);
}

.explorer-kicker {
  margin-bottom: clamp(28px, 4vw, 52px);
  color: var(--active-soft);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
}

.explorer-stage h1 {
  max-width: none;
  margin-bottom: clamp(16px, 2.4vw, 28px);
  color: inherit;
  font-size: clamp(7rem, 17vw, 20rem);
  line-height: 0.78;
  text-shadow: 0 1px 0 color-mix(in srgb, white 16%, transparent);
}

.explorer-note {
  max-width: 680px;
  margin-bottom: clamp(28px, 4vw, 52px);
  color: var(--active-soft);
  font-size: clamp(0.92rem, 1.1vw, 1.1rem);
  font-weight: 750;
}

.explorer-primary-values {
  max-width: min(760px, 72vw);
  border-color: color-mix(in srgb, currentColor 24%, transparent);
}

.explorer-primary-values button {
  padding: clamp(12px, 1.25vw, 18px);
}

.explorer-primary-values span {
  color: var(--active-soft);
}

.explorer-panel {
  position: sticky;
  top: 58px;
  grid-template-rows: auto auto auto auto auto minmax(0, 1fr) auto;
  gap: 12px;
  min-height: calc(100svh - 58px);
  max-height: calc(100svh - 58px);
  padding: 20px;
  color: var(--ink);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--paper) 94%, var(--active-color)) 0%, color-mix(in srgb, var(--paper) 86%, var(--active-color)) 100%);
  border-width: 0 0 0 1px;
  box-shadow: none;
  backdrop-filter: none;
}

.explorer-panel-head {
  min-height: 42px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
}

.explorer-panel-head span,
.explorer-spectrum-head span,
.explorer-actions span {
  font-size: 0.78rem;
}

.explorer-controls {
  grid-template-columns: 38px minmax(0, 1fr) 38px;
}

.explorer-controls button,
.explorer-hues button,
.explorer-search,
.explorer-reading,
.explorer-spectrum button {
  background: color-mix(in srgb, var(--solid) 58%, transparent);
  border-color: color-mix(in srgb, var(--ink) 14%, transparent);
}

.explorer-controls button,
.explorer-hues button {
  min-height: 38px;
}

.explorer-controls button:hover,
.explorer-controls button:focus-visible,
.explorer-hues button:hover,
.explorer-hues button:focus-visible {
  background: color-mix(in srgb, var(--active-color) 36%, var(--solid));
}

.explorer-search {
  min-height: 42px;
  padding: 0 12px;
}

.explorer-hues {
  border: 0;
}

.explorer-hues button[aria-pressed="true"] {
  color: var(--active-ink);
  background: var(--active-color);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--active-ink) 44%, transparent);
}

.explorer-reading {
  padding: 12px;
}

.explorer-reading dl {
  gap: 10px;
}

.explorer-spectrum-head {
  align-items: baseline;
  padding-top: 6px;
  padding-bottom: 2px;
}

.explorer-spectrum {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  margin-top: 8px;
  padding: 0;
  overflow: auto;
}

.explorer-spectrum button {
  min-height: 86px;
  padding: 8px;
  border: 0;
}

.explorer-spectrum button::before {
  background: linear-gradient(180deg, transparent 24%, rgba(0, 0, 0, 0.22));
}

.explorer-spectrum button[aria-pressed="true"] {
  outline: 3px solid var(--ink);
  outline-offset: -3px;
}

.explorer-spectrum span {
  font-size: 0.78rem;
}

.explorer-spectrum small {
  font-size: 0.66rem;
}

.explorer-actions {
  padding-top: 8px;
  border-top: 1px solid color-mix(in srgb, var(--ink) 16%, transparent);
}

@media (max-width: 1100px) {
  .explorer-workspace {
    grid-template-columns: 1fr;
  }

  .explorer-stage {
    min-height: 62svh;
  }

  .explorer-stage-inner {
    min-height: 62svh;
  }

  .explorer-panel {
    position: relative;
    top: auto;
    min-height: auto;
    max-height: none;
    border-width: 1px 0 0;
  }
}

@media (max-width: 720px) {
  .explorer-workspace {
    padding: 0;
  }

  .explorer-stage {
    min-height: 58svh;
  }

  .explorer-stage-inner {
    min-height: 58svh;
    padding: 28px;
  }

  .explorer-stage h1 {
    font-size: clamp(5.2rem, 30vw, 9rem);
  }

  .explorer-primary-values {
    max-width: none;
  }

  .explorer-panel {
    padding: 14px;
  }
}