@font-face {
  font-family: "PaperSerif";
  src: url("fonts/STIXGeneral.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "PaperSerif";
  src: url("fonts/STIXGeneralBol.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #16110c;
  --muted: #6e665c;
  --paper: #fffdfa;
  --soft: #f4efe6;
  --panel: rgba(255, 252, 246, 0.94);
  --line: rgba(30, 24, 18, 0.14);
  --accent: #b9552d;
  --shadow: 0 18px 55px rgba(35, 28, 20, 0.13);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "PaperSerif", "STIXGeneral", "Times New Roman", serif;
  background:
    radial-gradient(circle at 10% 5%, rgba(246, 214, 160, 0.55), transparent 32rem),
    radial-gradient(circle at 95% 15%, rgba(183, 219, 228, 0.55), transparent 34rem),
    linear-gradient(135deg, #fbf5ea 0%, #f8f4ee 48%, #eee7dc 100%);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  width: min(1540px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 22px 0 30px;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.topbar-actions,
.button-row,
.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(760px, 1fr);
  gap: 16px;
  align-items: start;
}

.control-card,
.figure-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.control-card {
  position: sticky;
  top: 14px;
  padding: 16px;
}

.figure-card {
  overflow: hidden;
}

.control-topline {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
}

.field-label {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

select,
.value-input {
  width: 100%;
  border: 1px solid rgba(30, 24, 18, 0.16);
  border-radius: 12px;
  background: #fffdf8;
  color: var(--ink);
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

select {
  margin-top: 6px;
  padding: 9px 32px 9px 10px;
}

select:focus,
.value-input:focus {
  border-color: rgba(185, 85, 45, 0.65);
  box-shadow: 0 0 0 3px rgba(185, 85, 45, 0.12);
}

.control-section {
  margin-top: 15px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.control-section h2 {
  margin-bottom: 10px;
  font-size: 1.16rem;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 0;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.section-toggle:focus-visible {
  border-radius: 6px;
  outline: 2px solid rgba(185, 85, 45, 0.45);
  outline-offset: 3px;
}

.section-toggle-icon {
  display: inline-block;
  color: var(--muted);
  font-size: 0.85em;
  transform-origin: center;
  transition: transform 140ms ease;
}

.section-toggle[aria-expanded="false"] .section-toggle-icon {
  transform: rotate(-90deg);
}

.mini-actions {
  display: flex;
  gap: 5px;
}

.mini-button {
  border: 1px solid rgba(30, 24, 18, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
  color: var(--muted);
  padding: 3px 8px;
  font-size: 0.92rem;
  line-height: 1.3;
  padding: 4px 10px;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.mini-button:hover {
  border-color: rgba(185, 85, 45, 0.35);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
}

.visibility-panel {
  overflow: hidden;
  max-height: 260px;
  opacity: 1;
  transition: max-height 160ms ease, opacity 120ms ease;
}

.visibility-panel.collapsed {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}

.color-swatch {
  width: 32px;
  height: 32px;
  border: 2px solid white;
  border-radius: 999px;
  box-shadow: 0 0 0 1px rgba(30, 24, 18, 0.17), 0 8px 18px rgba(30, 24, 18, 0.13);
}

.hue-slider {
  appearance: none;
  width: 100%;
  height: 13px;
  margin: 8px 0 2px;
  border: 1px solid rgba(30, 24, 18, 0.18);
  border-radius: 999px;
  background: linear-gradient(90deg, #e31a1c, #f59e0b, #84cc16, #06b6d4, #2563eb, #a855f7, #e31a1c);
}

.hue-slider::-webkit-slider-thumb {
  appearance: none;
  width: 22px;
  height: 22px;
  border: 2px solid white;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 1px rgba(30, 24, 18, 0.22), 0 6px 14px rgba(30, 24, 18, 0.24);
}

.hue-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border: 2px solid white;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 1px rgba(30, 24, 18, 0.22), 0 6px 14px rgba(30, 24, 18, 0.24);
}

.small-output {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: right;
}

.color-tools {
  display: grid;
  grid-template-columns: auto 42px 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.bar-width-tools {
  display: grid;
  grid-template-columns: auto 1fr 54px;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.color-picker-label,
.bar-width-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.color-picker {
  width: 42px;
  height: 28px;
  border: 1px solid rgba(30, 24, 18, 0.18);
  border-radius: 999px;
  background: transparent;
  padding: 2px;
}

.color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker::-webkit-color-swatch {
  border: 0;
  border-radius: 999px;
}

.bar-width-slider {
  appearance: none;
  width: 100%;
  height: 10px;
  border: 1px solid rgba(30, 24, 18, 0.16);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(30, 24, 18, 0.16), rgba(30, 24, 18, 0.48));
}

.bar-width-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid white;
  border-radius: 999px;
  background: #1c140f;
  box-shadow: 0 0 0 1px rgba(30, 24, 18, 0.22), 0 5px 12px rgba(30, 24, 18, 0.20);
}

.bar-width-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: 2px solid white;
  border-radius: 999px;
  background: #1c140f;
  box-shadow: 0 0 0 1px rgba(30, 24, 18, 0.22), 0 5px 12px rgba(30, 24, 18, 0.20);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.segmented label {
  position: relative;
}

.segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented span {
  display: grid;
  min-height: 38px;
  place-items: center;
  border: 1px solid rgba(30, 24, 18, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  color: var(--muted);
  font-size: 1.02rem;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.segmented input:checked + span {
  border-color: rgba(185, 85, 45, 0.35);
  background: #1c140f;
  color: #fffaf0;
}

.visibility-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.visibility-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid rgba(30, 24, 18, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.52);
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.15;
  cursor: pointer;
  transition: opacity 120ms ease, background 120ms ease, border-color 120ms ease;
}

.visibility-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.visibility-dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--pop-color);
  box-shadow: 0 0 0 1px rgba(30, 24, 18, 0.16);
}

.visibility-pill span:last-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.visibility-pill:has(input:not(:checked)) {
  opacity: 0.45;
  background: rgba(233, 228, 219, 0.48);
}

.visibility-pill:has(input:focus-visible) {
  border-color: rgba(185, 85, 45, 0.65);
  box-shadow: 0 0 0 3px rgba(185, 85, 45, 0.12);
}

.range-grid {
  display: grid;
  gap: 9px;
}

.range-row {
  padding: 12px;
  border: 1px solid rgba(30, 24, 18, 0.12);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.52);
}

.range-row.inactive {
  background: rgba(233, 228, 219, 0.55);
}

.range-row-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
  font-size: 1.04rem;
  font-weight: 700;
}

.range-row-title span:last-child {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.value-field label {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.value-input {
  padding: 9px 9px;
  font-size: 1.06rem;
}

.value-input:disabled {
  color: #786f65;
  background: rgba(250, 247, 239, 0.78);
}

.derived-card {
  margin-top: 14px;
  padding: 14px 15px;
  border: 1px solid rgba(185, 85, 45, 0.16);
  border-radius: 15px;
  background: rgba(255, 247, 232, 0.65);
}

.derived-card strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.14rem;
}

.derived-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.35;
}

.copy-button {
  width: 100%;
  margin-top: 12px;
}

.ghost-button,
.secondary-button {
  border: 1px solid rgba(30, 24, 18, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
  padding: 10px 14px;
  transition: background 120ms ease, border-color 120ms ease;
}

.ghost-button.compact {
  white-space: nowrap;
}

.secondary-button {
  background: #1c140f;
  color: #fffaf0;
}

.ghost-button:hover {
  border-color: rgba(185, 85, 45, 0.35);
  background: rgba(255, 255, 255, 0.82);
}

.figure-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 10px;
}

.figure-toolbar strong {
  font-size: 1.45rem;
}

.figure-title-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.figure-citation {
  color: var(--muted);
  font-size: 1.28rem;
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 1.15rem;
}

.plot-host {
  padding: 0 10px 12px;
}

.plot-host svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  background: #fff;
}

.range-bar,
.range-cap,
.point-marker {
  transition: opacity 140ms ease, stroke-width 140ms ease, r 140ms ease;
}

.population-layer {
  cursor: pointer;
  outline: none;
}

.population-layer:hover .range-bar,
.population-layer:focus-visible .range-bar,
.population-layer[data-selected="true"] .range-bar {
  opacity: 0.96;
}

.population-layer:hover .point-marker,
.population-layer:focus-visible .point-marker,
.population-layer[data-selected="true"] .point-marker {
  filter: drop-shadow(0 0 5px rgba(30, 24, 18, 0.36));
  stroke-width: 4.4;
}

.population-layer[data-population="gaia_ns"]:hover .point-marker,
.population-layer[data-population="gaia_ns"]:focus-visible .point-marker,
.population-layer[data-population="gaia_ns"][data-selected="true"] .point-marker {
  stroke-width: 5.0;
}


.axis-label,
.tick-label,
.lifetime-label,
.population-label {
  font-family: "PaperSerif", "STIXGeneral", "Times New Roman", serif;
}

.axis-label {
  fill: #0f0b07;
  font-size: 48px;
}

.tick-label {
  fill: #0f0b07;
  font-size: 36px;
}

.lifetime-label {
  fill: #626262;
  font-size: 32px;
}

.lifetime-label,
.population-label {
  paint-order: stroke;
  stroke: rgba(255, 255, 255, 0.9);
  stroke-width: 6px;
  stroke-linejoin: round;
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.draggable-label-hit {
  cursor: grab;
  touch-action: none;
}

.draggable-label.dragging {
  cursor: grabbing;
}

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

  .control-card {
    position: static;
  }
}

@media (max-width: 680px) {
  .page-shell {
    width: min(100vw - 20px, 1540px);
    padding-top: 14px;
  }

  .topbar,
  .control-topline {
    display: block;
  }

  .topbar-actions {
    margin-top: 12px;
  }

  .ghost-button.compact {
    margin-top: 8px;
  }

  .segmented,
  .value-grid,
  .visibility-grid {
    grid-template-columns: 1fr;
  }

  .axis-label {
    font-size: 30px;
  }

  .tick-label {
    font-size: 22px;
  }
}