:root {
  color-scheme: light;
  --ink: #1e2320;
  --muted: #6b6f68;
  --line: #e2dccf;
  --accent: #d9483b;
  --bridge: #2f9a68;
  --paper: #f6f2ea;
  --card: #fffdf8;
  --sheet: #e8d7b8;
  --mat: #24302c;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  background: var(--paper);
  color: var(--ink);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
}
a {
  color: inherit;
  text-decoration: none;
}
header {
  max-width: 1500px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 42px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: -0.6px;
}
.mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--sheet);
  font-weight: 900;
  font-size: 19px;
  background-image: linear-gradient(
    90deg,
    transparent 13px,
    var(--ink) 13px 17px,
    transparent 17px
  );
}
nav {
  display: flex;
  gap: 22px;
  font-size: 13px;
}
nav a:hover {
  color: var(--accent);
}
main {
  max-width: 1500px;
  margin: auto;
  padding: 0 42px 40px;
}
.intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  padding: 46px 0 34px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 1.6px;
  font-weight: 700;
  color: var(--accent);
}
.eyebrow span {
  width: 22px;
  height: 2px;
  background: var(--accent);
}
h1 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  letter-spacing: -2px;
  margin: 16px 0 18px;
}
h1 em {
  font-style: normal;
  color: var(--accent);
}
.intro p {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}
.package {
  background: var(--ink);
  color: #f4ead8;
  border-radius: 14px;
  padding: 18px 20px;
  min-width: 330px;
}
.package-label {
  display: block;
  font-size: 10px;
  letter-spacing: 1.5px;
  opacity: 0.6;
  margin-bottom: 10px;
}
.package code {
  display: block;
  font:
    15px ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
  margin-bottom: 14px;
}
.package div {
  display: flex;
  gap: 8px;
  font-size: 12px;
}
.package div span {
  border: 1px solid rgba(244, 234, 216, 0.25);
  border-radius: 99px;
  padding: 3px 10px;
}
.workbench {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  overflow: hidden;
}
.controls {
  padding: 24px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.control-heading {
  font-size: 11px;
  letter-spacing: 1.4px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 6px;
}
label,
.row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 12px 0 6px;
}
.row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.row output {
  font:
    12px ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
  color: var(--muted);
}
input[type='text'],
select {
  width: 100%;
  font: inherit;
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
input[type='text'] {
  font-weight: 700;
  letter-spacing: 0.5px;
}
input[type='range'] {
  width: 100%;
  accent-color: var(--accent);
}
.upload {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  padding: 11px;
  border: 1.5px dashed #cbbfa8;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
}
.upload:hover {
  border-color: var(--accent);
}
.upload input {
  display: none;
}
.hint {
  font-size: 13px;
  color: var(--muted);
  margin: 6px 0;
  overflow-wrap: anywhere;
}
.text-button {
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  font-size: 13px;
  color: var(--accent);
  cursor: pointer;
}
.divider {
  height: 1px;
  background: var(--line);
  margin: 22px 0 18px;
}
.segmented {
  display: flex;
  background: #f1ebdf;
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}
.segmented button {
  flex: 1;
  border: 0;
  border-radius: 8px;
  padding: 8px 6px;
  font: inherit;
  font-size: 13px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.segmented button.active {
  background: #fff;
  color: var(--ink);
  font-weight: 650;
  box-shadow: 0 1px 2px rgba(30, 35, 32, 0.15);
}
.primary {
  margin-top: 22px;
  border: 0;
  border-radius: 10px;
  padding: 13px;
  font: inherit;
  font-weight: 650;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.primary:hover {
  filter: brightness(0.95);
}
.snippet {
  margin: 14px 0 0;
  padding: 12px;
  border-radius: 10px;
  background: #f1ebdf;
  font-size: 11.5px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.stage-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.segmented.compact button {
  padding: 7px 14px;
  flex: none;
}
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-weight: 500;
}
.check input {
  accent-color: var(--bridge);
}
.stage {
  flex: 1;
  min-height: 540px;
  display: grid;
  place-items: center;
  padding: 28px;
  background: var(--mat);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  overflow: hidden;
}
.stage svg {
  width: 100%;
  max-height: 600px;
  overflow: visible;
}
.sheet {
  fill: var(--sheet);
  stroke: #9c8762;
  stroke-width: 0.15;
  filter: drop-shadow(0 1.2px 1.4px rgba(0, 0, 0, 0.45));
}
.piece {
  fill: var(--sheet);
  stroke: var(--accent);
  stroke-width: 0.5;
  transform-box: fill-box;
  transform-origin: center;
}
.falling .piece {
  animation: fall 1.5s cubic-bezier(0.55, 0, 0.8, 0.4) forwards;
  animation-delay: calc(0.5s + var(--i) * 0.09s);
}
@keyframes fall {
  to {
    transform: translateY(var(--drop)) rotate(var(--r));
    opacity: 0;
  }
}
.bridge {
  fill: var(--bridge);
  opacity: 0.9;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.stats div {
  padding: 14px 18px;
  border-right: 1px solid var(--line);
}
.stats div:last-child {
  border-right: 0;
}
.stats strong {
  display: block;
  font-size: 22px;
  letter-spacing: -0.5px;
}
.stats span {
  font-size: 12px;
  color: var(--muted);
}
.issues {
  margin: 0;
  padding: 0 18px;
  list-style: none;
  font-size: 13px;
  color: var(--accent);
}
.issues li {
  padding: 0 0 12px;
}
footer {
  padding: 26px 0 0;
  color: var(--muted);
  font-size: 13px;
}
footer a {
  text-decoration: underline;
}
@media (max-width: 900px) {
  header,
  main {
    padding-left: 16px;
    padding-right: 16px;
  }
  nav a:last-child {
    display: none;
  }
  .intro {
    flex-direction: column;
    align-items: stretch;
    padding-top: 28px;
  }
  .package {
    min-width: 0;
  }
  .package code {
    font-size: 13px;
    overflow-wrap: anywhere;
  }
  .workbench {
    grid-template-columns: 1fr;
  }
  .controls {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    order: 2;
  }
  .stage {
    min-height: 0;
    height: 280px;
    padding: 14px;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats div:nth-child(2) {
    border-right: 0;
  }
  .stats div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}