:root {
  color-scheme: light;
  --paper: #f4efe4;
  --ink: #1c1712;
  --fade: #6d6256;
  --rule: #c9bba6;
  --red: #8d2b24;
  --chip: #efe6d6;
  --chip-on: #1c1712;
  --chip-on-ink: #f4efe4;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(1200px 400px at 50% -10%, #fffaf1, transparent 60%),
    #e7dfd0;
  color: var(--ink);
  font: 18px/1.4 "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  padding: max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
}

.receipt {
  max-width: 26rem;
  margin: 0 auto;
  background: var(--paper);
  border-radius: 18px 18px 12px 12px;
  padding: 1.4rem 1.25rem 1.5rem;
  box-shadow: 0 18px 40px rgba(40, 28, 12, 0.12);
  background-image:
    radial-gradient(circle at 12px 0, transparent 10px, var(--paper) 11px),
    radial-gradient(circle at calc(100% - 12px) 0, transparent 10px, var(--paper) 11px);
}

.kicker {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--fade);
  font-family: ui-sans-serif, system-ui, sans-serif;
}

h1 {
  margin: 0.15rem 0 0.35rem;
  font-size: 3.2rem;
  line-height: 0.9;
  font-weight: 600;
}

.lede, .hint, .plain {
  color: var(--fade);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
}

.lede { margin: 0 0 1.2rem; }

form { display: grid; gap: 1rem; }

.field, fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

legend, .field > span, .people > span {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 650;
}

.money-input, input[type="text"] {
  font: 1.6rem/1 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.money-input {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  border-bottom: 2px solid var(--ink);
  padding: 0.2rem 0;
}

input[type="text"] {
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0.15rem 0;
  border-radius: 0;
}

.field.tight input {
  border-bottom: 2px solid var(--rule);
  font-size: 1.25rem;
  padding: 0.35rem 0;
}

input:focus { outline: none; }
input:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.hint { font-size: 0.8rem; }

.picks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
}

button {
  font: 600 1rem/1 ui-sans-serif, system-ui, sans-serif;
  border: 0;
  border-radius: 999px;
  min-height: 48px;
  background: var(--chip);
  color: var(--ink);
  cursor: pointer;
}

button.on {
  background: var(--chip-on);
  color: var(--chip-on-ink);
}

button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.people {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.stepper {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.stepper button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.5rem;
}

output {
  min-width: 2ch;
  text-align: center;
  font: 1.6rem/1 ui-monospace, Menlo, Consolas, monospace;
}

.totals {
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--rule);
}

.line {
  display: flex;
  justify-content: space-between;
  margin: 0.2rem 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

.line strong {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-weight: 600;
}

.each-label {
  margin: 0.9rem 0 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 650;
}

.each {
  margin: 0.1rem 0 0.4rem;
  font: 600 3.1rem/1 ui-monospace, Menlo, Consolas, monospace;
  color: var(--red);
  letter-spacing: -0.03em;
}

.plain { margin: 0.6rem 0 0; }