:root {
  color-scheme: dark;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #05060b;
  color: #f5edf0;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

#showcase-hud {
  display: none;
}

body.showcase .panel,
body.showcase #cut-cursor {
  display: none;
}

body.showcase #showcase-hud {
  position: fixed;
  right: 0.8rem;
  bottom: 0.8rem;
  z-index: 5;
  display: grid;
  max-width: min(17rem, calc(100vw - 1.6rem));
  padding: 0.65rem 0.8rem;
  border: 1px solid rgb(99 230 255 / 35%);
  border-radius: 0.65rem;
  background: rgb(5 7 16 / 76%);
  box-shadow: 0 0 28px rgb(36 177 222 / 18%);
  color: #c8f7ff;
  font-size: 0.72rem;
  line-height: 1.35;
  backdrop-filter: blur(8px);
}

body.showcase #showcase-hud strong {
  color: #fff;
  font-size: 0.9rem;
}

#viewport {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 70% 22%, rgb(127 40 62 / 28%), transparent 34%),
    radial-gradient(circle at 38% 70%, rgb(32 71 148 / 28%), transparent 40%), #05060b;
}

#viewport canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.panel {
  position: fixed;
  top: 18px;
  left: 18px;
  width: min(360px, calc(100vw - 36px));
  max-height: calc(100vh - 36px);
  overflow: auto;
  padding: 19px;
  border: 1px solid rgb(255 255 255 / 13%);
  border-radius: 18px;
  background: rgb(10 11 18 / 86%);
  box-shadow: 0 24px 70px rgb(0 0 0 / 45%);
  backdrop-filter: blur(18px);
}

.eyebrow {
  color: #e88ba8;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 4px 0 6px;
  font-family: Georgia, serif;
  font-size: 1.72rem;
  font-weight: 500;
}

.lede,
.boundary {
  margin: 0 0 15px;
  color: #bdb4bd;
  font-size: 0.79rem;
  line-height: 1.45;
}

label {
  display: block;
  margin: 11px 0;
  color: #dcd3da;
  font-size: 0.75rem;
}

label output {
  float: right;
  color: #f0a3ba;
  font-variant-numeric: tabular-nums;
}

select,
input[type="range"] {
  width: 100%;
  margin-top: 5px;
}

select,
button {
  border: 1px solid rgb(255 255 255 / 14%);
  border-radius: 9px;
  background: #171824;
  color: #f7eef2;
}

select {
  padding: 8px;
}

input[type="range"] {
  accent-color: #e85b83;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin: 15px 0;
}

button {
  min-height: 34px;
  padding: 7px 9px;
  cursor: pointer;
  font-size: 0.73rem;
}

button:hover,
button[aria-pressed="true"] {
  border-color: #ec7295;
  background: #442030;
}

.telemetry,
.material-study {
  padding: 12px;
  border: 1px solid rgb(255 255 255 / 9%);
  border-radius: 12px;
  background: rgb(255 255 255 / 3%);
}

.material-study {
  margin-bottom: 10px;
}

.material-study h2,
.material-study p {
  margin: 0 0 6px;
}

.material-study h2 {
  color: #f0a3ba;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.material-study p,
.material-study dl {
  color: #91a0c0;
  font-size: 0.68rem;
}

.material-study dl {
  margin: 0;
}

.material-study dl div {
  display: grid;
  grid-template-columns: 5.8rem 1fr;
  gap: 0.5rem;
  padding: 0.16rem 0;
  border-top: 1px solid rgb(255 255 255 / 6%);
}

.material-study dd {
  margin: 0;
  color: #efe7ec;
  font-variant-numeric: tabular-nums;
}

.comb-trace {
  margin: 0.75rem 0 0;
}

.comb-trace canvas {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #314165;
  border-radius: 0.45rem;
}

.comb-trace figcaption {
  margin-top: 0.3rem;
  color: #91a0c0;
  font-size: 0.7rem;
}

.telemetry h2 {
  margin: 0 0 8px;
  color: #aabbea;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.telemetry dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 13px;
  margin: 0;
}

.telemetry dl div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  border-bottom: 1px solid rgb(255 255 255 / 6%);
  font-size: 0.68rem;
}

.telemetry dt {
  color: #8e8791;
}

.telemetry dd {
  margin: 0;
  color: #efe7ec;
  font-variant-numeric: tabular-nums;
}

.boundary {
  margin: 13px 0 8px;
}

#status {
  min-height: 1.2em;
  color: #e78da7;
  font-size: 0.72rem;
}

#cut-cursor {
  position: fixed;
  display: none;
  width: 30px;
  height: 30px;
  margin: -15px;
  pointer-events: none;
  border: 1px solid #ff537f;
  border-radius: 50%;
  box-shadow: 0 0 18px #ff2f6c;
}

body.cutting #cut-cursor {
  display: block;
}

@media (max-width: 700px) {
  .panel {
    top: auto;
    bottom: 10px;
    left: 10px;
    width: calc(100vw - 20px);
    max-height: 48vh;
  }
}