:root {
  color-scheme: light;
  --paper: #f3eee4;
  --card: #fffdf8;
  --ink: #1e2a2b;
  --muted: #5d696a;
  --line: #d8d0c3;
  --accent: #bd4c31;
  --accent-dark: #a93c24;
  --teal: #116978;
  --wash: #e9e3d7;
  --shadow: 9px 9px 0 rgba(30, 42, 43, .11);
  font-family: "Avenir Next", "Trebuchet MS", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: radial-gradient(circle at 92% 9%, #d5e4e0 0, transparent 24%),
    linear-gradient(90deg, rgba(30, 42, 43, .035) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 36px 36px, auto;
}
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
[hidden] { display: none !important; }

.site-header {
  max-width: 1140px;
  margin: 0 auto;
  padding: 28px 36px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.04em;
  font-size: 23px;
}
.brand-mark {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  color: var(--card);
  background: var(--ink);
  font: 700 16px Georgia, serif;
  transform: rotate(-8deg);
}
.site-nav { display: flex; gap: 6px; flex-wrap: wrap; }
.site-nav a {
  text-decoration: none;
  padding: 8px 11px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}
.site-nav a:hover, .site-nav a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--line);
  background: var(--card);
}

.demo-layout {
  max-width: 1140px;
  margin: 0 auto;
  padding: 68px 36px 96px;
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 88px);
  align-items: start;
}
.intro { padding-top: 18px; }
.eyebrow, .section-kicker {
  margin: 0 0 18px;
  color: var(--accent-dark);
  font: 700 11px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: .16em;
}
.intro h1 {
  font: 400 clamp(44px, 6vw, 80px)/.98 Georgia, "Times New Roman", serif;
  letter-spacing: -.065em;
  margin: 0 0 24px;
  max-width: 9ch;
}
.intro p:not(.eyebrow) {
  max-width: 32ch;
  color: var(--muted);
  line-height: 1.65;
  font-size: 16px;
}
.intro-meta {
  margin-top: 34px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.intro-meta span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 100px;
  font: 600 11px ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--muted);
}

.workspace {
  position: relative;
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow);
  border-radius: 5px;
  overflow: hidden;
}
.workspace::before {
  content: "";
  display: block;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--accent) 0 46px, var(--ink) 46px 52px, var(--teal) 52px 98px, var(--ink) 98px 104px);
}
.workspace-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--line);
}
.workspace-head h2 { margin: 0; font: 400 29px Georgia, serif; letter-spacing: -.03em; }
.workspace-head .section-kicker { margin: 0; }
.workspace-body { padding: 28px 32px 34px; }
.workspace-note, .footnote { color: var(--muted); font-size: 13px; line-height: 1.5; }
.workspace-note { margin: 0 0 22px; }
.footnote { margin: 24px 0 0; padding-top: 16px; border-top: 1px solid var(--line); }

label { font-weight: 700; font-size: 13px; }
input[type="text"], input[type="number"] {
  width: 100%;
  min-width: 0;
  min-height: 47px;
  padding: 10px 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid #697a75;
  border-radius: 3px;
  outline: 0;
}
input:focus-visible, button:focus-visible, a:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
}
input::placeholder { color: var(--muted); }
button.primary, button.secondary, button.text-button, button.danger {
  min-height: 46px;
  border-radius: 3px;
  font-weight: 800;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
button.primary:hover, button.secondary:hover, button.danger:hover { transform: translateY(-2px); }
button.primary { padding: 10px 19px; border: 1px solid var(--accent-dark); color: #fff; background: var(--accent); }
button.primary:hover { background: var(--accent-dark); }
button.secondary { padding: 10px 19px; border: 1px solid var(--ink); color: var(--ink); background: transparent; }
button.secondary:hover { background: var(--wash); }
button.danger { padding: 10px 19px; border: 1px solid var(--ink); color: #fff; background: var(--ink); }
button.danger:hover { background: #334342; }
button.danger:disabled { opacity: .48; cursor: not-allowed; transform: none; }
button.text-button {
  min-height: 32px;
  padding: 4px 7px;
  border: 0;
  background: transparent;
  color: var(--accent-dark);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
button.text-button:hover { color: var(--ink); }

.entry-form { display: grid; gap: 10px; }
.input-row { display: flex; gap: 8px; }
.input-row input { flex: 1 1 auto; }
.input-row button { flex: none; white-space: nowrap; }
.item-list { list-style: none; padding: 0; margin: 24px 0 0; }
.item-list:empty::before {
  content: "Nothing here yet. Add the first item above.";
  display: block;
  color: var(--muted);
  padding: 22px 0;
  font-size: 14px;
}
#cartItems:empty::before { content: "Your cart is empty. Choose a product."; }
.task-row, .cart-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.task-check { width: 18px; height: 18px; accent-color: var(--teal); flex: none; }
.task-label, .cart-name { flex: 1; min-width: 0; overflow-wrap: anywhere; font-weight: 500; }
.task-label.complete { color: var(--muted); text-decoration: line-through; }

.count-display {
  padding: 18px 0 30px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}
.count-display strong { font: 400 clamp(84px, 12vw, 146px)/1 Georgia, serif; letter-spacing: -.08em; color: var(--teal); }
.count-display span { color: var(--muted); font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .12em; }
.button-row { display: flex; gap: 10px; margin-top: 26px; }
.step-field { display: grid; grid-template-columns: 1fr 96px; gap: 14px; align-items: center; margin-top: 28px; }

.shop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.shop-grid > section + section { border-left: 1px solid var(--line); padding-left: 26px; }
.shop-grid h3 { margin: 0 0 18px; font: 400 23px Georgia, serif; }
.product-list { display: grid; gap: 10px; }
.product-list button { width: 100%; text-align: left; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.product-list button span { font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.cart-total { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin: 24px 0; padding-top: 16px; border-top: 1px solid var(--line); }
.cart-total strong { font: 400 32px Georgia, serif; }

.session-panel h3 { margin: 0 0 12px; font: 400 28px Georgia, serif; overflow-wrap: anywhere; }
.session-panel p { margin: 0 0 24px; color: var(--muted); line-height: 1.5; }
.session-panel button { width: 100%; }
.notice { padding: 14px 16px; margin: 0 0 24px; background: #e5efe9; border-left: 3px solid var(--teal); color: #28515a; line-height: 1.5; font-size: 14px; }

@media (max-width: 850px) {
  .demo-layout { grid-template-columns: 1fr; gap: 34px; padding-top: 44px; }
  .intro { padding: 0; }
  .intro h1 { max-width: none; }
  .intro p:not(.eyebrow) { max-width: 62ch; }
  .intro-meta { margin-top: 20px; }
}
@media (max-width: 600px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 17px; padding: 22px 20px 16px; }
  .site-nav { gap: 3px; }
  .site-nav a { padding: 7px 8px; font-size: 12px; }
  .demo-layout { padding: 35px 20px 70px; }
  .intro h1 { font-size: 48px; }
  .workspace-head { padding: 23px 22px 17px; }
  .workspace-body { padding: 23px 22px 28px; }
  .shop-grid { grid-template-columns: 1fr; gap: 24px; }
  .shop-grid > section + section { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0 0; }
  .input-row { flex-wrap: wrap; }
  .input-row input, .input-row button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}