:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --ink: #171915;
  --muted: #62675d;
  --line: #d8ddd0;
  --panel: #ffffff;
  --accent: #0f7b63;
  --accent-2: #be3f2f;
  --gold: #d7a522;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0;
}

.intro {
  min-height: 34vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 32px;
  align-items: end;
  padding: 20px 0 30px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5.7rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.lede {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.55;
}

.meter,
.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgb(23 25 21 / 8%);
}

.meter {
  padding: 22px;
}

.meter-row {
  display: grid;
  grid-template-columns: 58px 1fr 74px;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
  color: var(--muted);
}

.track {
  height: 14px;
  overflow: hidden;
  border-radius: 8px;
  background: #e8ebe3;
}

.bar {
  height: 100%;
  width: 0;
  transition: width 160ms ease;
}

.naive {
  background: var(--accent-2);
}

.nano {
  background: var(--accent);
}

.saved {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-weight: 800;
}

.saved span {
  color: var(--accent);
  font-size: 2.2rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  padding: 18px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 18px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fbfcf9;
  font: inherit;
}

input {
  min-height: 44px;
  padding: 0 12px;
}

select {
  min-height: 44px;
  padding: 0 12px;
}

input[type="range"] {
  padding: 0;
  accent-color: var(--accent);
}

textarea {
  min-height: 440px;
  resize: vertical;
  padding: 14px;
  line-height: 1.45;
}

output {
  color: var(--ink);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.stats div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcf9;
}

.stats span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.stats strong {
  display: block;
  margin-top: 8px;
  font-size: 1.7rem;
}

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 20px;
}

h2 {
  margin: 18px 0 10px;
  font-size: 0.95rem;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

li {
  border-left: 4px solid var(--gold);
  padding: 9px 10px;
  margin-bottom: 8px;
  background: #fbfcf9;
  color: var(--muted);
  line-height: 1.35;
}

#keptList li {
  border-left-color: var(--accent);
}

#droppedList li {
  border-left-color: var(--accent-2);
}

pre {
  margin: 0;
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #171915;
  color: #f6f7f4;
  font-size: 0.86rem;
  line-height: 1.45;
}

@media (max-width: 880px) {
  .intro,
  .workspace,
  .columns {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 3rem;
  }
}