/* CoreTex Visualizer — static source for /coretex (replaces the retired
 * Next.js export). Chrome classes (.site-nav, .theme-toggle, intro-*) match
 * the sitewide look; the HUD is plain DOM updated by visualizer.js. */

:root {
  --bg: #f4f3ee;
  --fg: #0a0a0a;
  --mute: #6b6b6b;
  --accent: #f5f54e;
}
html[data-theme="dark"] {
  --bg: #050505;
  --fg: #f4f3ee;
  --mute: hsla(50, 21%, 95%, 0.62);
  --accent: #f4f3ee;
}
* {
  box-sizing: border-box;
}
body,
html {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
}
body {
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}
a {
  color: inherit;
}

/* ---------- site chrome ---------- */
.site-nav {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 60;
  pointer-events: auto;
}
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 8px;
  background: hsla(50, 21%, 95%, 0.94);
  border: 1px solid hsla(0, 0%, 4%, 0.2);
  color: var(--fg);
  text-decoration: none;
  line-height: 1;
}
html[data-theme="dark"] .site-brand {
  background: rgba(5, 5, 5, 0.94);
  border-color: hsla(50, 21%, 95%, 0.22);
}
.site-logo {
  width: 18px;
  height: 18px;
  display: block;
  background: var(--fg);
  -webkit-mask: url("/coretex/logo.png") center / contain no-repeat;
  mask: url("/coretex/logo.png") center / contain no-repeat;
}
.site-brand span {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.site-menu {
  position: absolute;
  top: 30px;
  left: 2px;
  min-width: 136px;
  padding: 14px 14px 12px;
  background: hsla(50, 21%, 95%, 0.95);
  border: 1px solid var(--fg);
  opacity: 0;
  transform: translateY(-7px);
  transition:
    opacity 0.55s cubic-bezier(0.2, 0.72, 0.18, 1),
    transform 0.55s cubic-bezier(0.2, 0.72, 0.18, 1);
  pointer-events: none;
}
html[data-theme="dark"] .site-menu {
  background: rgba(5, 5, 5, 0.95);
}
.site-nav:focus-within .site-menu,
.site-nav:hover .site-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.site-menu a {
  display: block;
  padding: 6px 0;
  color: var(--fg);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: transform 0.45s cubic-bezier(0.2, 0.72, 0.18, 1);
}
.site-menu a:hover {
  transform: translateX(3px);
}
.site-corner {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
}
.site-corner:after,
.site-corner:before {
  content: "";
  position: absolute;
  background: var(--fg);
}
.site-corner:before {
  width: 18px;
  height: 1px;
}
.site-corner:after {
  width: 1px;
  height: 18px;
}
.site-corner.tl {
  top: -1px;
  left: -1px;
}
.site-corner.tr {
  top: -1px;
  right: -1px;
  transform: rotate(90deg);
}
.site-corner.br {
  bottom: -1px;
  right: -1px;
  transform: rotate(180deg);
}
.site-corner.bl {
  bottom: -1px;
  left: -1px;
  transform: rotate(270deg);
}
.theme-toggle {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 60;
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  pointer-events: auto;
}
.theme-toggle:before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid;
  border-radius: 50%;
  background: linear-gradient(90deg, currentColor 0 50%, transparent 50% 100%);
  transition: transform 0.55s cubic-bezier(0.2, 0.72, 0.18, 1);
}
.theme-toggle:hover:before {
  transform: rotate(180deg);
}

/* The scene is drawn light-on-paper; dark mode inverts the whole canvas. */
html[data-theme="dark"] canvas {
  filter: invert(1) hue-rotate(180deg) saturate(1.15);
}

/* ---------- intro layer ---------- */
.intro-shell {
  overflow: hidden;
}
.intro-layer,
.intro-shell {
  position: fixed;
  inset: 0;
  background: var(--bg);
}
.intro-layer {
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 32px;
  transform: translateY(calc(var(--pull, 0) * -18vh));
  transition: transform 0.7s cubic-bezier(0.18, 0.92, 0.22, 1);
}
.intro-layer.is-pulled {
  pointer-events: none;
  transform: translateY(-124vh) scale(0.985);
  transition: transform 1.05s cubic-bezier(0.14, 0.88, 0.18, 1);
}
.intro-grid {
  width: min(1352px, 100%);
  min-height: calc(100vh - 36px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: 108px auto 1fr auto;
  gap: 52px 28px;
  align-items: start;
}
.intro-title {
  grid-column: 1/-1;
  margin: 34px 0 0;
  align-self: start;
  text-align: center;
  font-size: clamp(15px, 2vw, 27px);
  line-height: 1;
  font-weight: 400;
}
.intro-card,
.visualizer-entry {
  position: relative;
  min-height: 82px;
  padding: 28px 30px 26px;
  border: 0;
  color: var(--fg);
  background: hsla(50, 21%, 95%, 0.88);
  text-align: left;
  font: inherit;
}
html[data-theme="dark"] .intro-card,
html[data-theme="dark"] .visualizer-entry {
  background: transparent;
}
.intro-card {
  animation: intro-breathe 7s ease-in-out infinite;
  cursor: pointer;
}
.intro-card:nth-child(2) {
  animation-delay: -1.4s;
}
.intro-card:nth-child(3) {
  animation-delay: -2.8s;
}
.corner-frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(var(--fg), var(--fg)) 0 0 /26px 1px no-repeat,
    linear-gradient(var(--fg), var(--fg)) 0 0 /1px 26px no-repeat,
    linear-gradient(var(--fg), var(--fg)) 100% 0 /26px 1px no-repeat,
    linear-gradient(var(--fg), var(--fg)) 100% 0 /1px 26px no-repeat,
    linear-gradient(var(--fg), var(--fg)) 0 100% /26px 1px no-repeat,
    linear-gradient(var(--fg), var(--fg)) 0 100% /1px 26px no-repeat,
    linear-gradient(var(--fg), var(--fg)) 100% 100% /26px 1px no-repeat,
    linear-gradient(var(--fg), var(--fg)) 100% 100% /1px 26px no-repeat;
}
.intro-card h2,
.visualizer-entry span:first-child {
  position: relative;
  margin: 0;
  font-size: 18.9px;
  line-height: 1.2;
  font-weight: 500;
}
.intro-copy {
  position: relative;
  margin: 0;
  color: var(--mute);
  font-size: 13.65px;
  line-height: 1.58;
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  overflow: hidden;
  transform: translateY(-16px);
  transition:
    opacity 1.35s ease,
    max-height 2.2s cubic-bezier(0.1, 0.74, 0.1, 1),
    padding-top 2.2s cubic-bezier(0.1, 0.74, 0.1, 1),
    transform 2.2s cubic-bezier(0.1, 0.74, 0.1, 1);
}
.intro-copy p {
  margin: 0;
}
.intro-copy p + p {
  margin-top: 1.15em;
}
.learn-more {
  display: inline-block;
  margin-top: 1.2em;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--fg);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
  pointer-events: auto;
}
.learn-more:focus,
.learn-more:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.intro-card.is-open .intro-copy {
  opacity: 1;
  max-height: 1600px;
  padding-top: 18px;
  transform: translateY(0);
}
@media (hover: hover) and (pointer: fine) {
  .intro-card:focus .intro-copy,
  .intro-card:hover .intro-copy {
    opacity: 1;
    max-height: 1600px;
    padding-top: 18px;
    transform: translateY(0);
  }
}
.visualizer-entry {
  grid-column: 1/-1;
  justify-self: center;
  align-self: end;
  width: min(520px, 100%);
  min-height: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  cursor: pointer;
  background: transparent;
  transform: translateY(58px);
  transition: transform 0.36s cubic-bezier(0.18, 0.82, 0.16, 1);
}
.visualizer-entry:focus,
.visualizer-entry:hover {
  transform: translateY(54px);
}
.visualizer-entry span:first-child {
  font-size: 13.5px;
  letter-spacing: 0.08em;
  overflow: hidden;
  background: linear-gradient(
    100deg,
    var(--fg) 0,
    var(--fg) 38%,
    hsla(0, 0%, 47%, 0.72) 48%,
    var(--fg) 58%,
    var(--fg) 100%
  );
  background-size: 260% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: text-shine 4.8s ease-in-out infinite;
}
.down-arrow {
  position: relative;
  display: inline-block;
  width: 12px;
  height: 18px;
  animation: arrow-fade 2.6s ease-in-out infinite;
}
.down-arrow:after,
.down-arrow:before {
  content: "";
  position: absolute;
  left: 50%;
  background: var(--fg);
  transform: translateX(-50%);
}
.down-arrow:before {
  top: 0;
  width: 1px;
  height: 14px;
}
.down-arrow:after {
  bottom: 1px;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--fg);
  border-bottom: 1px solid var(--fg);
  background: transparent;
  transform: translateX(-50%) rotate(45deg);
}
@keyframes intro-breathe {
  0%,
  to {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}
@keyframes arrow-fade {
  0%,
  to {
    opacity: 0.24;
  }
  50% {
    opacity: 0.86;
  }
}
@keyframes text-shine {
  0%,
  28% {
    background-position: 120% 0;
  }
  72%,
  to {
    background-position: -120% 0;
  }
}

/* ---------- visualizer canvas + HUD ---------- */
.viz-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 0;
  touch-action: none;
}
.hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  color: var(--fg);
  z-index: 10;
  padding: 4px;
  display: none;
}
.hud.is-live {
  display: block;
}
.hud-corner {
  position: absolute;
  top: 0;
  right: 52px; /* clear the fixed theme toggle */
  max-width: 42vw;
  text-align: right;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.hud-corner .hud-sub {
  margin-top: 4px;
  font-size: 10px;
  letter-spacing: normal;
  text-transform: none;
  color: var(--mute);
}
.hud-block {
  position: absolute;
  left: 0;
}
.hud-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}
.hud-value {
  margin-top: 7px;
  font-size: 15px;
}
.hud-value .unit {
  color: var(--mute);
}
.hud-note {
  margin-top: 4px;
  max-width: 280px;
  font-size: 10px;
  line-height: 1.35;
  color: var(--mute);
}
.hud-baseline {
  top: calc(25% - 22px);
}
.hud-scorecard-open {
  display: block;
  margin-top: 7px;
  padding: 4px 8px;
  border: 1px solid var(--fg);
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  pointer-events: auto;
  cursor: pointer;
}
.hud-scorecard-open:hover:not(:disabled),
.hud-scorecard-open:focus-visible {
  background: var(--fg);
  color: var(--bg);
}
.hud-scorecard-open:disabled {
  cursor: wait;
  opacity: 0.45;
}
.hud-advances {
  top: 45%;
}
.hud-failed {
  top: 60%;
}
.hud-counts {
  position: absolute;
  bottom: 0;
  left: 0;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.hud-counts span + span {
  margin-left: 16px;
}
.hud-counts b {
  font-size: 15px;
  font-weight: 400;
  text-transform: none;
}
.hud-spokes {
  position: absolute;
  bottom: 0;
  right: 0;
  border: 1px solid var(--fg);
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 4px 8px;
  pointer-events: auto;
  cursor: pointer;
}
.hud-spokes:hover {
  background: var(--fg);
  color: var(--bg);
}
.hud-scorecard {
  position: fixed;
  z-index: 70;
  inset: 52px clamp(18px, 6vw, 92px);
  overflow: auto;
  padding: clamp(20px, 3vw, 42px);
  border: 1px solid var(--fg);
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 97%, transparent);
  color: var(--fg);
  pointer-events: auto;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.16);
}
.hud-scorecard[hidden] {
  display: none;
}
.scorecard-head,
.scorecard-controls {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}
.scorecard-kicker,
.scorecard-note {
  color: var(--mute);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.scorecard-head h2 {
  margin: 7px 0 0;
  font-size: clamp(19px, 2.6vw, 32px);
  font-weight: 400;
  letter-spacing: -0.04em;
}
.scorecard-close {
  border: 0;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 16px;
  cursor: pointer;
}
.scorecard-intro {
  max-width: 760px;
  margin: 18px 0 26px;
  color: var(--mute);
  font-size: 12px;
  line-height: 1.55;
}
.scorecard-controls {
  align-items: center;
  margin-bottom: 18px;
}
.scorecard-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.scorecard-tabs button {
  padding: 6px 9px;
  border: 1px solid color-mix(in srgb, var(--fg) 38%, transparent);
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}
.scorecard-tabs button.is-active {
  border-color: var(--fg);
  background: var(--fg);
  color: var(--bg);
}
.scorecard-table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--fg);
  border-bottom: 1px solid var(--fg);
}
.scorecard-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.scorecard-table th,
.scorecard-table td {
  padding: 9px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 18%, transparent);
  text-align: right;
  white-space: nowrap;
}
.scorecard-table th:first-child,
.scorecard-table td:first-child {
  padding-left: 0;
  text-align: left;
}
.scorecard-table th:last-child,
.scorecard-table td:last-child {
  padding-right: 0;
}
.scorecard-table thead th {
  color: var(--mute);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.scorecard-table tbody th {
  font-weight: 400;
}
.scorecard-row-resource:first-of-type th,
.scorecard-row-resource:first-of-type td {
  border-top: 2px solid var(--fg);
}
.scorecard-table .is-improved {
  color: #15804d;
}
.scorecard-table .is-trade {
  color: #a45b18;
}
html[data-theme="dark"] .scorecard-table .is-improved {
  color: #66dfa2;
}
html[data-theme="dark"] .scorecard-table .is-trade {
  color: #f0ae68;
}
.scorecard-table .is-held {
  color: var(--mute);
}
.scorecard-legend {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--mute);
  font-size: 11px;
  line-height: 1.5;
}
.scorecard-legend[hidden] {
  display: none;
}
.scorecard-note {
  margin-top: 14px;
  letter-spacing: 0.1em;
}
.hud-tooltip {
  position: fixed;
  z-index: 50;
  max-width: 300px;
  border: 1px solid var(--fg);
  background: var(--bg);
  padding: 8px 12px;
  font-size: 11px;
  line-height: 1.4;
  pointer-events: none;
  display: none;
}
.hud-tooltip.is-touch {
  left: 12px;
  right: 12px;
  top: 78px;
  max-width: none;
}
.hud-tooltip .tip-kicker {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--mute);
}
.hud-tooltip .tip-title {
  font-size: 13px;
  margin-top: 4px;
}
.hud-tooltip .tip-slot {
  color: var(--mute);
  margin-top: 4px;
}
.hud-tooltip .tip-purpose {
  margin-top: 8px;
}
.hud-selected {
  position: absolute;
  top: 0;
  left: 0;
  min-width: 236px;
  border: 1px solid var(--fg);
  background: var(--bg);
  padding: 12px 16px;
  font-size: 12px;
  pointer-events: auto;
  will-change: transform;
  display: none;
}
.hud-selected .sel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.hud-selected .sel-kicker {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--mute);
}
.hud-selected .sel-close {
  border: 0;
  background: transparent;
  color: var(--mute);
  font: inherit;
  cursor: pointer;
  line-height: 1;
  margin-left: 16px;
  padding: 0;
}
.hud-selected .sel-close:hover {
  color: var(--fg);
}
.hud-selected .sel-title {
  display: block;
  font-size: 14px;
  margin-bottom: 10px;
  text-decoration: underline;
  text-underline-offset: 4px;
  color: var(--fg);
}
.hud-selected .sel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}
.hud-selected .sel-grid dt {
  color: var(--mute);
}
.hud-selected .sel-grid dd {
  margin: 2px 0 0;
}
.hud-selected .sel-grid a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.hud-selected .sel-wide {
  grid-column: 1/-1;
}
.hud-selected .sel-tx {
  display: block;
  margin-top: 12px;
  font-size: 11px;
  text-decoration: underline;
  text-underline-offset: 4px;
  color: var(--fg);
}

@media (max-width: 860px) {
  .hud-scorecard {
    inset: 56px 10px 10px;
    padding: 20px 15px;
  }
  .scorecard-controls {
    align-items: flex-start;
    flex-direction: column;
  }
  .hud-advances {
    top: 70%;
  }
  .hud-failed {
    top: 80%;
  }
  .intro-layer {
    align-items: flex-start;
    padding: 74px 22px 28px;
    overflow: auto;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto auto;
    gap: 16px;
  }
  .intro-card {
    min-height: 72px;
  }
  .intro-card.is-open .intro-copy {
    max-height: none;
    overflow: visible;
  }
}
@media (prefers-reduced-motion: reduce) {
  .down-arrow,
  .intro-card,
  .intro-copy,
  .intro-layer,
  .visualizer-entry {
    animation: none;
    transition: none;
  }
}