:root {
  --capacity-paperwhite: #f5f1e8;
  --capacity-graphite: #20262b;
  --capacity-charcoal: #101417;
  --capacity-cabinet: #31474b;
  --capacity-copper: #b5673d;
  --capacity-teal: #23756f;
  --capacity-sage: #829a66;
  --capacity-amber: #d69b43;
  --capacity-lavender: #716b8c;
  --capacity-creamline: rgba(245, 241, 232, 0.52);
  --capacity-ironmark: rgba(16, 20, 23, 0.16);
  --allocation-gutter: clamp(18px, 3vw, 42px);
  --rack-width: 286px;
  --worksheet-corner: 6px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(16, 20, 23, 0.06) 1px, transparent 1px) 0 0 / 46px 46px,
    linear-gradient(180deg, #f8f4ec 0%, var(--capacity-paperwhite) 48%, #ebe2d3 100%);
  color: var(--capacity-graphite);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

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

button,
input {
  font: inherit;
}

.allocator-skip {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-140%);
  background: var(--capacity-charcoal);
  color: #fff;
  padding: 10px 14px;
}

.allocator-skip:focus {
  transform: translateY(0);
}

.course-rack {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rack-width);
  padding: 24px 20px;
  background: #182024;
  color: #f9f3e9;
  display: flex;
  flex-direction: column;
  gap: 22px;
  z-index: 5;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.rack-nameplate {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 12px;
  align-items: center;
  text-decoration: none;
}

.rack-nameplate span {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid #e0c27d;
  color: #f2ce72;
  font-weight: 800;
  letter-spacing: 0;
}

.rack-nameplate strong {
  font-size: 0.96rem;
  line-height: 1.2;
}

.course-rack p {
  margin: 0;
  color: #cfd8d2;
  font-size: 0.95rem;
}

.rack-switches {
  margin: 8px 0 auto;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.rack-switches a,
.rack-call,
.quote-build {
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
}

.rack-switches a::after {
  content: ">";
  color: #f2ce72;
}

.rack-call,
.quote-build {
  cursor: pointer;
  background: #d69b43;
  color: #1b1b18;
  border-color: #d69b43;
  font-weight: 700;
}

.allocation-board {
  margin-left: var(--rack-width);
  min-height: 100vh;
}

.opening-allocation {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(320px, 0.96fr) minmax(360px, 1.04fr);
  gap: var(--allocation-gutter);
  align-items: stretch;
  padding: clamp(26px, 4vw, 72px);
  border-bottom: 1px solid var(--capacity-ironmark);
}

.opening-allocation__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  max-width: 760px;
}

.course-flange,
.bench-number,
.quote-slip__stamp {
  margin: 0;
  color: var(--capacity-copper);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--capacity-charcoal);
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.15rem, 3.4vw, 3.6rem);
  max-width: 920px;
}

h2 {
  font-size: clamp(1.75rem, 3.8vw, 3.75rem);
}

.allocation-claim {
  margin: 0;
  max-width: 680px;
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  color: #3f4d50;
}

.sell-receipt {
  margin: 12px 0 0;
  border-top: 2px solid var(--capacity-charcoal);
  border-bottom: 1px solid var(--capacity-ironmark);
}

.sell-receipt div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 12px 0;
  border-top: 1px solid var(--capacity-ironmark);
}

.sell-receipt div:first-child {
  border-top: 0;
}

.sell-receipt dt {
  font-weight: 800;
  color: var(--capacity-cabinet);
}

.sell-receipt dd {
  margin: 0;
}

.allocation-photo {
  margin: 0;
  position: relative;
  min-height: 520px;
  background: var(--capacity-cabinet);
  overflow: hidden;
  border-radius: var(--worksheet-corner);
}

.allocation-photo img,
.rack-density img,
.review-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.allocation-photo--classroom img {
  object-position: left center;
}

.allocation-photo figcaption,
.rack-density figcaption,
.review-photo figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  background: rgba(16, 20, 23, 0.78);
  color: #fff8ea;
  padding: 14px 16px;
  font-size: 0.95rem;
}

.workbook-translation {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(420px, 1.28fr);
  gap: 0;
  border-top: 1px solid var(--capacity-ironmark);
  border-bottom: 1px solid var(--capacity-ironmark);
}

.rack-density {
  margin: 0;
  min-height: 620px;
  position: relative;
  overflow: hidden;
  background: #222;
}

.worksheet-pressure {
  padding: clamp(28px, 5vw, 74px);
  background:
    linear-gradient(135deg, rgba(35, 117, 111, 0.1), transparent 38%),
    #fffaf1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.worksheet-pressure p {
  margin: 0;
  color: #4d5d5f;
  max-width: 660px;
}

.route-needles {
  margin: 12px 0 6px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.route-needles button {
  cursor: pointer;
  min-height: 40px;
  border: 1px solid #b8aa92;
  background: #fffdf7;
  color: var(--capacity-charcoal);
  padding: 8px 12px;
}

.route-needles button[aria-pressed="true"] {
  background: var(--capacity-cabinet);
  color: #fff;
  border-color: var(--capacity-cabinet);
}

.worksheet-map {
  width: 100%;
  border-collapse: collapse;
  background: #fffdf8;
  border: 1px solid #cbbfae;
  font-size: 0.96rem;
}

.worksheet-map caption {
  text-align: left;
  padding: 12px 0;
  font-weight: 800;
  color: var(--capacity-copper);
}

.worksheet-map th,
.worksheet-map td {
  border-top: 1px solid #d9cebd;
  padding: 14px 12px;
  text-align: left;
  vertical-align: top;
}

.worksheet-map thead th {
  background: #ece1cd;
  color: #253235;
}

.schedule-weight {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(300px, 0.72fr) minmax(280px, 0.54fr);
  gap: var(--allocation-gutter);
  padding: clamp(28px, 5vw, 74px);
}

.schedule-weight__desk {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.schedule-weight__desk p {
  margin: 0;
  color: #4d5d5f;
}

.seat-gauge {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid #cbbfae;
  background: #fffaf1;
}

.seat-gauge span {
  font-weight: 800;
}

.seat-gauge input {
  accent-color: var(--capacity-teal);
}

.pace-rack {
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.pace-rack legend {
  font-weight: 800;
  margin-bottom: 8px;
}

.pace-rack label {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px;
  background: #fffdf8;
  border: 1px solid #cbbfae;
}

.pace-rack input {
  accent-color: var(--capacity-copper);
}

.clock-run {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  align-self: start;
}

.clock-run li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 14px;
  padding: 16px;
  background: #fcf7ec;
  border-left: 6px solid var(--capacity-teal);
}

.clock-run time {
  font-weight: 900;
  color: var(--capacity-copper);
}

.clock-run strong {
  display: block;
  color: #1f292c;
}

.clock-run span {
  color: #4d5d5f;
}

.review-photo {
  margin: 0;
  min-height: 460px;
  position: relative;
  overflow: hidden;
  border-radius: var(--worksheet-corner);
}

.preston-sill {
  margin: 0;
  padding: 30px clamp(24px, 5vw, 74px);
  background: #182024;
  color: #fff8ea;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  align-items: center;
  font-style: normal;
}

.preston-sill span:first-child {
  color: #d7b76f;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.preston-sill a {
  color: #fff8ea;
}

.quote-slip {
  max-width: min(680px, calc(100vw - 28px));
  border: 0;
  padding: 0;
  color: var(--capacity-graphite);
  background: #fffaf1;
  box-shadow: 0 22px 70px rgba(16, 20, 23, 0.35);
}

.quote-slip::backdrop {
  background: rgba(16, 20, 23, 0.6);
}

.quote-slip[open] {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.quote-slip__bar {
  display: flex;
  justify-content: flex-end;
}

.quote-slip__bar button {
  border: 1px solid var(--capacity-ironmark);
  background: #fff;
  padding: 8px 12px;
  cursor: pointer;
}

.quote-slip h2 {
  font-size: clamp(1.7rem, 4vw, 3rem);
}

.quote-slip p {
  margin: 0;
}

.quote-slip__lines {
  margin: 0;
  border-top: 1px solid #d2c5b3;
}

.quote-slip__lines div {
  padding: 12px 0;
  border-bottom: 1px solid #d2c5b3;
}

.quote-slip__lines dt {
  font-weight: 800;
}

.quote-slip__lines dd {
  margin: 4px 0 0;
}

@media (max-width: 980px) {
  .course-rack {
    position: static;
    width: auto;
    min-height: auto;
  }

  .rack-switches {
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .allocation-board {
    margin-left: 0;
  }

  .opening-allocation,
  .workbook-translation,
  .schedule-weight {
    grid-template-columns: 1fr;
  }

  .opening-allocation {
    min-height: auto;
  }

  .allocation-photo,
  .rack-density,
  .review-photo {
    min-height: 360px;
  }
}

@media (max-width: 620px) {
  .rack-switches {
    grid-template-columns: 1fr;
  }

  .opening-allocation,
  .worksheet-pressure,
  .schedule-weight {
    padding: 22px;
  }

  .sell-receipt div,
  .clock-run li {
    grid-template-columns: 1fr;
  }

  .preston-sill {
    display: grid;
  }
}