:root {
  --ice: #e8eef2;
  --steel: #9bb0bc;
  --ink: #1c2428;
  --mute: #6a7880;
  --hot: #b85a32;
  --ok: #3d7a62;
  --brown: #8a6a48;
  --display: "Barlow Condensed", "PingFang SC", sans-serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "Share Tech Mono", ui-monospace, Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 76px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #dfe8ee, var(--ice));
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.72;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-link {
  color: var(--ok);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.ice-wash {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: 0.22;
  background-image: url("images/texture.webp");
  background-size: 220px auto;
  mix-blend-mode: multiply;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 12px;
  top: 8px;
  z-index: 40;
  background: var(--steel);
  color: #fff;
  padding: 6px 10px;
}

.mince-rail {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 22px;
  background: rgba(232, 238, 242, 0.94);
  border-bottom: 1px solid var(--steel);
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 32px;
  letter-spacing: 0.02em;
}

.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--mute);
  letter-spacing: 0.14em;
}

.cold-block {
  width: 22px;
  height: 14px;
  background: #f4f7f8;
  border: 2px solid var(--steel);
  box-shadow: 4px 4px 0 var(--steel);
}

.chop-nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 14px;
}

.chop-nav a.is-active {
  color: var(--ok);
  box-shadow: inset 0 -2px 0 var(--ok);
}

.chop-nav .live {
  background: var(--ink);
  color: var(--ice);
  padding: 4px 10px;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: var(--ink);
  color: #fff;
  border: 0;
  width: 42px;
  height: 42px;
  font-family: var(--display);
  font-size: 20px;
}

.hero,
.bench {
  position: relative;
  z-index: 2;
  padding: 36px 40px 28px;
  max-width: 1040px;
  margin: 0 auto;
}

.wash-tank {
  background:
    repeating-linear-gradient(90deg, rgba(155, 176, 188, 0.16) 0 8px, transparent 8px 24px);
}

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ok);
  margin: 0 0 10px;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  margin: 0 0 16px;
  text-transform: none;
}

h2 {
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  margin: 0 0 8px;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
  color: var(--ok);
}

.lead {
  max-width: 68ch;
}

.pot-row {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 0;
  margin: 0 0 18px;
}

.pot-chip {
  background: #fff;
  border: 2px solid var(--steel);
  border-radius: 50%;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 13px;
  text-align: center;
  padding: 8px;
}

.pot-chip small {
  display: block;
  font-size: 11px;
  color: var(--mute);
}

.pot-chip.hot {
  border-color: var(--hot);
  background: #f6e8e0;
}

.pot-chip.wait {
  border-color: #c4a24a;
}

.pot-chip.ok {
  border-color: var(--ok);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.chip {
  font-family: var(--mono);
  font-size: 12px;
  border: 1px solid var(--steel);
  padding: 3px 10px;
}

.chip.warn {
  border-color: var(--brown);
  color: var(--brown);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 22px;
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  font-size: 14px;
  font-family: var(--display);
  letter-spacing: 0.04em;
}

.btn-fill {
  background: var(--ink);
  color: var(--ice);
}

.btn-ghost {
  border: 1px solid var(--ink);
}

figure {
  margin: 0;
}

figcaption {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  margin-top: 8px;
}

.bench-head {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  margin-bottom: 22px;
}

.bench-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ok);
  margin: 0;
}

.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.steel-card {
  background: #fff;
  padding: 16px 18px;
  border-left: 4px solid var(--steel);
}

.steel-card ul {
  margin: 0;
  padding-left: 18px;
}

.steel-card p {
  margin: 0;
}

.gate-list {
  margin: 0;
  padding-left: 20px;
}

.gate-list li {
  margin-bottom: 10px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 24px;
  align-items: start;
}

.wash-label {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ok);
  margin-bottom: 8px;
}

.wash-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

#washc {
  flex: 1;
  accent-color: var(--hot);
}

#washc-val {
  font-family: var(--mono);
  font-size: 32px;
  min-width: 3.2ch;
}

.tri-state {
  font-family: var(--mono);
  font-size: 14px;
}

.tri-state.late {
  color: var(--hot);
}

.tri-state.ok {
  color: var(--ok);
}

.hint {
  color: var(--mute);
  font-size: 14px;
}

.tank-bay {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.gel-spring {
  width: 72px;
  height: 200px;
  border-radius: 8px;
  border: 2px solid var(--steel);
  background: linear-gradient(to top, var(--hot) var(--fill, 64%), #fff var(--fill, 64%));
}

.gel-spring.hot {
  background: linear-gradient(to top, var(--hot) var(--fill, 64%), #fff var(--fill, 64%));
}

.gel-spring.cold {
  background: linear-gradient(to top, var(--ok) var(--fill, 21%), #fff var(--fill, 21%));
}

.ntu-brown {
  color: var(--brown);
}

.texture-pin {
  font-family: var(--mono);
}

.gel-needle {
  list-style: none;
  padding: 0;
  margin: 0;
}

.gel-needle li {
  padding: 10px 0 10px 16px;
  border-left: 4px solid var(--ok);
  margin-bottom: 8px;
  background: rgba(61, 122, 98, 0.06);
}

.bound-list {
  columns: 2;
  margin: 0;
  padding-left: 18px;
}

.roll {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.roll th,
.roll td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(155, 176, 188, 0.6);
}

.roll th {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ok);
}

.foot {
  position: relative;
  z-index: 2;
  padding: 28px 40px 48px;
  max-width: 1040px;
  margin: 0 auto;
  color: var(--mute);
  font-size: 14px;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .chop-nav {
    display: none;
    position: absolute;
    top: 58px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #e8eef2;
    padding: 12px 18px 18px;
    gap: 10px;
    border-bottom: 1px solid var(--steel);
  }

  .chop-nav.open {
    display: flex;
  }

  .pot-row,
  .three,
  .bench-head,
  .split,
  .bound-list {
    grid-template-columns: 1fr;
    columns: 1;
  }

  .hero,
  .bench,
  .foot {
    padding-left: 18px;
    padding-right: 18px;
  }
}