:root {
  --counter: #12140f;
  --counter-2: #1b1e17;
  --ink-page: #eef0e6;
  --muted-page: #9ea395;
  --lime: #c8f53c;
  --lime-ink: #1c2400;
  --paper: #f7f3e8;
  --paper-edge: #e7e1d0;
  --ink: #1d1b16;
  --ink-soft: #6d685b;
  --gain: #0f7a3a;
  --loss: #b3261e;
  --stamp-gain: rgba(15, 122, 58, 0.82);
  --stamp-loss: rgba(179, 38, 30, 0.82);
  --radius: 14px;
  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 500px at 50% -10%, #263016 0%, transparent 60%),
    repeating-linear-gradient(90deg, transparent 0 46px, rgba(255, 255, 255, 0.018) 46px 47px),
    var(--counter);
  color: var(--ink-page);
  font-family: var(--font-display);
}

.shop {
  width: min(560px, 100%);
  margin: 0 auto;
  padding: 48px 16px 40px;
}

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.topbar .eyebrow { margin: 0; }
.x-link {
  display: inline-flex; align-items: center; gap: 7px; flex-shrink: 0;
  padding: 7px 11px; border-radius: 999px;
  color: var(--ink-page); text-decoration: none;
  font: 500 12px/1 var(--font-mono);
  box-shadow: inset 0 0 0 1px #3a4030;
  transition: color 0.15s, box-shadow 0.15s, transform 0.12s var(--ease);
}
.x-link:hover { color: var(--lime); box-shadow: inset 0 0 0 1px var(--lime); }
.x-link:active { transform: scale(0.97); }
.x-link:focus-visible { outline: 3px solid rgba(200, 245, 60, 0.5); outline-offset: 2px; }
@media (max-width: 420px) { .x-link span { display: none; } .x-link { padding: 9px; } }
.eyebrow {
  margin: 0 0 14px;
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
}

h1 {
  margin: 0;
  font-size: clamp(56px, 14vw, 92px);
  line-height: 0.86;
  font-weight: 800;
  letter-spacing: -0.04em;
}
h1 span { color: var(--lime); }

.lede {
  margin: 18px 0 30px;
  max-width: 34ch;
  color: var(--muted-page);
  font-size: 18px;
  line-height: 1.4;
}

.register {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--counter-2);
  border: 1px solid #2a2e23;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.register label { display: grid; gap: 6px; }
.register label span {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-page);
}

input {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #343a2c;
  background: #0d0f0b;
  color: var(--ink-page);
  font: 400 14px var(--font-mono);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input::placeholder { color: #5b6052; }
input:focus { outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px rgba(200, 245, 60, 0.18); }

button {
  cursor: pointer;
  border: 0;
  border-radius: 10px;
  padding: 15px 18px;
  background: var(--lime);
  color: var(--lime-ink);
  font: 800 16px var(--font-display);
  letter-spacing: -0.01em;
  transition: transform 0.12s var(--ease), filter 0.15s, background 0.15s;
}
button:hover { filter: brightness(1.06); }
button:active { transform: translateY(1px) scale(0.99); }
button:focus-visible { outline: 3px solid rgba(200, 245, 60, 0.5); outline-offset: 2px; }
button:disabled { cursor: progress; filter: grayscale(0.6) brightness(0.8); }
button.ghost { background: transparent; color: var(--ink-page); box-shadow: inset 0 0 0 1px #3a4030; }
button.ghost:hover { box-shadow: inset 0 0 0 1px var(--lime); color: var(--lime); }

.error {
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(179, 38, 30, 0.14);
  color: #ffb4ab;
  font: 400 13px/1.4 var(--font-mono);
}

/* printer */
.printer, .out { margin-top: 34px; }
.slot {
  height: 12px;
  border-radius: 999px;
  background: #050604;
  box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.9), 0 1px 0 rgba(255, 255, 255, 0.05);
  margin: 0 6px;
  position: relative;
  z-index: 2;
}
.status { margin: 18px 0 10px; font: 400 13px var(--font-mono); color: var(--muted-page); }
.bar { height: 4px; border-radius: 99px; background: #262a20; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--lime); transition: width 0.3s var(--ease); }

/* receipt */
.receipt {
  --zig: 10px;
  position: relative;
  margin: -6px 18px 0;
  padding: 28px 22px 34px;
  background:
    radial-gradient(rgba(0, 0, 0, 0.035) 1px, transparent 1px) 0 0 / 3px 3px,
    linear-gradient(180deg, #ebe6d6 0, var(--paper) 22px),
    var(--paper);
  color: var(--ink);
  font: 400 12.5px/1.5 var(--font-mono);
  box-shadow: 0 24px 50px -20px rgba(0, 0, 0, 0.8);
  -webkit-mask:
    conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) 50% / calc(var(--zig) * 2) 100%;
  mask:
    conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) 50% / calc(var(--zig) * 2) 100%;
  transform-origin: top center;
  animation: feed 1.1s var(--ease) both;
}
@keyframes feed {
  from { transform: translateY(-40px); clip-path: inset(0 0 100% 0); }
  to { transform: none; clip-path: inset(0 0 0 0); }
}
@media (prefers-reduced-motion: reduce) { .receipt { animation: none; } }

.r-center { text-align: center; }
.r-store { margin: 0; font: 800 22px/1 var(--font-mono); letter-spacing: 0.04em; }
.r-sub { margin: 6px 0 0; color: var(--ink-soft); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.r-rule { border: 0; border-top: 1.5px dashed #b7b09c; margin: 14px 0; }
.r-row { display: flex; justify-content: space-between; gap: 12px; }
.r-row > :last-child { text-align: right; }
.r-k { color: var(--ink-soft); }
.r-token { font-weight: 800; font-size: 15px; }
.r-items { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.r-items th { text-align: left; font-weight: 700; color: var(--ink-soft); font-size: 10px; letter-spacing: 0.06em; padding-bottom: 4px; }
.r-items th:last-child, .r-items td:last-child { text-align: right; }
.r-items td { padding: 2px 0; vertical-align: top; white-space: nowrap; }
.r-items td.side { font-weight: 800; }
.r-items .BUY { color: var(--ink); }
.r-items .SELL { color: var(--gain); }
.r-items .IN, .r-items .OUT { color: var(--ink-soft); }
.r-more { color: var(--ink-soft); font-style: italic; }
.r-total { font-weight: 800; font-size: 14px; }
.r-big {
  margin: 4px 0 0;
  font: 800 clamp(30px, 9vw, 40px)/1 var(--font-mono);
  letter-spacing: -0.03em;
}
.r-big.gain { color: var(--gain); }
.r-big.loss { color: var(--loss); }
.r-note { color: var(--ink-soft); font-size: 10.5px; }

.stamp {
  position: absolute;
  right: 14px;
  margin-top: 30px;
  padding: 6px 12px;
  border: 3px solid currentColor;
  border-radius: 6px;
  font: 800 20px/1 var(--font-mono);
  letter-spacing: 0.06em;
  transform: rotate(-12deg);
  mix-blend-mode: multiply;
  opacity: 0.88;
}
.stamp.gain { color: var(--stamp-gain); }
.stamp.loss { color: var(--stamp-loss); }
.stamp.flat { color: rgba(80, 76, 66, 0.8); }

.barcode { display: flex; justify-content: center; height: 46px; margin: 16px auto 6px; gap: 0; }
.barcode i { display: block; height: 100%; background: var(--ink); }
.r-hash { margin: 0; color: var(--ink-soft); font-size: 10.5px; letter-spacing: 0.04em; }
.r-total-wrap { position: relative; }
.r-thanks { margin: 10px 0 0; font-weight: 700; letter-spacing: 0.04em; }

.actions { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin: 26px 18px 0; }

.foot { margin-top: 56px; color: #6f7466; font: 400 12px/1.6 var(--font-mono); }
.foot a { color: var(--muted-page); }
.foot a:hover { color: var(--lime); }

@media (max-width: 420px) {
  input { font-size: 16px; }
  .receipt { margin-inline: 4px; padding-inline: 14px; font-size: 11.5px; }
  .r-items { font-size: 10.5px; }
  .actions { grid-template-columns: 1fr 1fr; margin-inline: 4px; }
  .actions #download { grid-column: 1 / -1; }
  .stamp { font-size: 16px; right: 10px; }
}