:root {
  --desk: #1c1814;
  --paper: #f3eee4;
  --slip: #e7dfd0;
  --ink: #1c1915;
  --muted: #6b6158;
  --line: #d4cbbd;
  --cinnabar: #8d3a30;
  --cinnabar-soft: #f6ebe7;
  --pine: #24584a;
  --pine-soft: #e6f0ec;
  --brass: #6e4e2c;
  --brass-deep: #553b20;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", "Songti SC", "STSong", "Noto Serif SC", serif;
  --sans: "SF Pro Text", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--desk);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

button, input { font: inherit; }

button { cursor: pointer; }

h1, h2, p { margin: 0; }

.eyebrow, .section-label {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.gate {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-content: start;
  padding: 72px 24px 48px;
  color: var(--paper);
  background: var(--desk);
}

.gate-copy h1 {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.gate-copy .lede {
  max-width: 28rem;
  margin-top: 20px;
  color: #d9d0c4;
  font-size: 17px;
  line-height: 1.6;
}

.gate-form {
  margin-top: 48px;
  max-width: 360px;
}

.gate-form label {
  display: block;
  margin-bottom: 8px;
  color: #b7aea2;
  font-size: 13px;
}

.gate-form input {
  width: 100%;
  padding: 12px 0;
  color: var(--paper);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(243, 238, 228, 0.35);
  border-radius: 0;
  font-size: 18px;
  letter-spacing: 0.2em;
}

.gate-form input:focus {
  outline: none;
  border-bottom-color: var(--paper);
}

.gate-form button {
  margin-top: 22px;
  min-height: 44px;
  padding: 0 22px;
  color: var(--ink);
  background: var(--paper);
  border: 0;
  border-radius: 999px;
}

.gate-form button:focus-visible,
.primary:focus-visible,
.text-btn:focus-visible,
.seg button:focus-visible,
.remove:focus-visible {
  outline: 2px solid #c4a574;
  outline-offset: 3px;
}

.gate-error {
  min-height: 1.4em;
  margin-top: 12px;
  color: #e3b2ab;
  font-size: 14px;
}

.app { padding: 28px 16px 48px; }

.sheet {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 32px;
  background: var(--paper);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.sheet-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

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

.brand h1 {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.brand p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.seal {
  flex: none;
  width: 52px;
  height: 52px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  color: var(--cinnabar);
  border: 1.5px solid var(--cinnabar);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0;
}

.text-btn {
  padding: 8px 0;
  color: var(--muted);
  background: transparent;
  border: 0;
}

.text-btn:hover { color: var(--ink); }

.workspace { margin-top: 28px; }

.person {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "name remove"
    "seg amt";
  gap: 8px 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.person.is-bad { border-bottom-color: var(--cinnabar); }

.person .name { grid-area: name; }
.person .remove { grid-area: remove; justify-self: end; }
.person .seg { grid-area: seg; }
.person .amt { grid-area: amt; }

.person input {
  width: 100%;
  min-width: 0;
  padding: 8px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
}

.person input:focus { outline: none; }

.amt { text-align: right; font-variant-numeric: tabular-nums; }

.seg {
  display: flex;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.seg button {
  min-width: 44px;
  min-height: 32px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 999px;
}

.seg button[aria-pressed="true"][data-side="lose"] {
  color: var(--cinnabar);
  background: var(--cinnabar-soft);
}

.seg button[aria-pressed="true"][data-side="win"] {
  color: var(--pine);
  background: var(--pine-soft);
}

.remove {
  width: 32px;
  height: 32px;
  color: var(--muted);
  background: transparent;
  border: 0;
  font-size: 20px;
  line-height: 1;
}

.row-error {
  margin: -4px 0 8px;
  color: var(--cinnabar);
  font-size: 13px;
}

.row-actions {
  display: flex;
  gap: 20px;
  margin-top: 8px;
}

.fee {
  display: block;
  margin-top: 28px;
}

.fee span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 13px;
}

.fee input {
  width: 100%;
  padding: 8px 0 10px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  font-family: var(--serif);
  font-size: 36px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.fee input:focus { outline: none; border-bottom-color: var(--ink); }
.fee input.is-bad { border-bottom-color: var(--cinnabar); }

.field-error, .form-error {
  min-height: 1.2em;
  margin-top: 8px;
  color: var(--cinnabar);
  font-size: 13px;
}

.form-error { min-height: 0; }

.primary {
  width: 100%;
  min-height: 48px;
  margin-top: 16px;
  color: var(--paper);
  background: var(--brass);
  border: 0;
  border-radius: 999px;
}

.primary:hover { background: var(--brass-deep); }

.slip {
  margin-top: 36px;
  padding: 22px 18px 18px;
  background: var(--slip);
}

.slip-empty p:last-child {
  color: var(--muted);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
}

.figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid #cfc4b2;
}

.figures span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.figures strong {
  display: block;
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.slip-table { margin-top: 8px; }

.slip-row, .slip-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) 72px minmax(72px, 0.8fr);
  gap: 8px;
  align-items: baseline;
}

.slip-head {
  padding: 12px 0 6px;
  color: var(--muted);
  font-size: 12px;
}

.slip-head span:nth-child(n + 2),
.slip-row span:nth-child(n + 2) { text-align: right; }

.slip-row {
  padding: 11px 0;
  border-top: 1px solid #cfc4b2;
  font-variant-numeric: tabular-nums;
}

.slip-row .who {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lose { color: var(--cinnabar); }
.win { color: var(--pine); }

.payout {
  font-family: var(--serif);
  font-size: 20px;
}

.slip-foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid #cfc4b2;
}

.slip-foot span.section-label {
  display: block;
  margin-bottom: 4px;
}

.slip-foot strong {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.note, .when {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.note.warn { color: var(--cinnabar); }

.copy {
  margin-top: 16px;
  min-height: 40px;
  padding: 0 16px;
  color: var(--ink);
  background: transparent;
  border: 1px solid #b7ab9a;
  border-radius: 999px;
}

.noscript {
  padding: 24px;
  color: var(--paper);
}

@media (min-width: 720px) {
  .person {
    grid-template-columns: minmax(0, 1.4fr) auto 140px auto;
    grid-template-areas: "name seg amt remove";
    gap: 16px;
  }

  .figures strong { font-size: 34px; }

  .slip { padding: 28px 24px 22px; }
}

@media (min-width: 960px) {
  .gate {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    align-content: center;
    padding: 0 8vw;
  }

  .gate-copy h1 { font-size: 84px; }

  .gate-form { margin-top: 0; justify-self: end; width: min(380px, 100%); }

  .app { padding: 48px 32px; }

  .sheet { padding: 40px 40px 36px; }

  .workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 48px;
    align-items: start;
  }

  .slip { position: sticky; top: 28px; margin-top: 0; }
}

@media (max-width: 380px) {
  .slip-row, .slip-head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(64px, 0.7fr);
  }

  .slip-head span:nth-child(3),
  .slip-row span:nth-child(3) { display: none; }
}