:root {
  --ink: #111820;
  --ink-2: #4a5560;
  --paper: #f7f6f3;
  --card: #ffffff;
  --rule: #d9d6ce;
  --accent: #1b4fd8;
  --danger: #b42318;
  --good: #0f7b4f;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 var(--sans);
  -webkit-text-size-adjust: 100%;
}

/* ---------- client sheet ---------- */
.sheet {
  max-width: 34rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

.eyebrow {
  margin: 0 0 .35rem;
  font: 600 .75rem/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.sheet h1 {
  margin: 0 0 .25rem;
  font-size: 1.6rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.lede { margin: 0; color: var(--ink-2); }

/* the receipt stub — the one loud element on the page */
.amount {
  display: block;
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 2px;
  position: relative;
}
.amount::after {
  content: "";
  position: absolute;
  left: 1.25rem; right: 1.25rem; bottom: -1px;
  border-bottom: 2px dashed var(--rule);
}
.amount-label {
  display: block;
  font: 600 .7rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.amount-value {
  display: block;
  margin: .4rem 0 .5rem;
  font: 700 3rem/1 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}
.amount-note { display: block; font-size: .9rem; color: var(--ink-2); }

.terms {
  max-height: 15rem;
  overflow-y: auto;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 2px;
  -webkit-overflow-scrolling: touch;
}
.terms pre {
  margin: 0;
  font: .8rem/1.6 var(--mono);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.field { display: block; margin: 1.25rem 0; }
.field > span {
  display: block;
  margin-bottom: .4rem;
  font: 600 .7rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.field input {
  width: 100%;
  padding: .8rem;
  font: 16px var(--sans);
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 2px;
}
.field.short input { max-width: 9rem; }
.field input:focus-visible,
.check input:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#card-container {
  padding: .35rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 2px;
  min-height: 3.5rem;
}

.check {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  margin: 1.25rem 0;
  font-size: .95rem;
}
.check input { margin-top: .25rem; width: 1.15rem; height: 1.15rem; flex: none; }

button {
  width: 100%;
  padding: 1rem;
  font: 650 1rem var(--sans);
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 2px;
  cursor: pointer;
}
button:disabled { background: var(--ink-2); cursor: default; }

.fine { margin-top: .9rem; font-size: .8rem; color: var(--ink-2); text-align: center; }

.err {
  margin: .9rem 0;
  padding: .7rem .8rem;
  color: var(--danger);
  background: #fdf3f2;
  border-left: 3px solid var(--danger);
  font-size: .9rem;
}
.ok {
  margin: .9rem 0;
  padding: .7rem .8rem;
  color: var(--good);
  background: #f0f9f5;
  border-left: 3px solid var(--good);
  font-size: .9rem;
}

/* ---------- admin ---------- */
.admin { max-width: 60rem; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.admin h1 { font-size: 1.4rem; letter-spacing: -0.02em; }

.new {
  margin: 1.25rem 0 2rem;
  padding: 1.25rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 2px;
}
.new .row { display: flex; flex-wrap: wrap; gap: 1rem; }
.new label {
  flex: 1 1 14rem;
  margin-bottom: 1rem;
  font: 600 .7rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.new input, .new select {
  display: block;
  width: 100%;
  margin-top: .4rem;
  padding: .7rem;
  font: 16px var(--sans);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--card);
  text-transform: none;
  letter-spacing: normal;
}
.new button { width: auto; padding: .8rem 1.4rem; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th {
  text-align: left;
  padding: .5rem;
  font: 600 .7rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
}
td { padding: .75rem .5rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
td small { color: var(--ink-2); }
.err-txt { color: var(--danger); }

.badge {
  display: inline-block;
  padding: .15rem .45rem;
  font: 600 .7rem/1.4 var(--mono);
  text-transform: uppercase;
  border-radius: 2px;
  background: #eceae5;
}
.badge.b-charged { background: #ddf1e8; color: var(--good); }
.badge.b-authorized { background: #dfe7fb; color: var(--accent); }
.badge.b-failed, .badge.b-expired { background: #fbe3e1; color: var(--danger); }

.inline { display: flex; gap: .35rem; }
.inline input { width: 5.5rem; padding: .45rem; border: 1px solid var(--rule); border-radius: 2px; font: 16px var(--sans); }
.inline button { width: auto; padding: .45rem .8rem; font-size: .85rem; }
.inline button.ghost { background: transparent; color: var(--ink-2); border: 1px solid var(--rule); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- send panel + audit views ---------- */
.send-panel {
  margin: 1.25rem 0;
  padding: 1.1rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
}
.send-panel textarea {
  width: 100%;
  margin: .5rem 0 .75rem;
  padding: .7rem;
  font: .9rem/1.5 var(--mono);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
  resize: vertical;
}
.panel-actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.panel-actions button { width: auto; padding: .6rem 1.1rem; font-size: .9rem; }
.btn-alt {
  display: inline-block;
  padding: .6rem 1.1rem;
  font: 650 .9rem var(--sans);
  color: var(--accent);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 2px;
}
.btn-alt.sm { padding: .35rem .7rem; font-size: .8rem; }
.send-panel .fine { text-align: left; margin-top: .75rem; }

.admin h2 { margin-top: 2rem; font-size: 1rem; letter-spacing: -0.01em; }
.admin .terms { max-height: 20rem; margin-bottom: 1rem; }
pre.detail {
  margin: 0;
  font: .78rem/1.5 var(--mono);
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink-2);
}

/* ---------- digital wallets ---------- */
#wallets { margin: 1.25rem 0; }
#google-pay { min-height: 3rem; }
#google-pay:empty { display: none; }

/* Apple's guidelines require their own button styling. */
.apple-pay-button {
  display: block;
  width: 100%;
  min-height: 3rem;
  margin-bottom: .6rem;
  padding: 0;
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  -webkit-appearance: -apple-pay-button;
  -apple-pay-button-type: plain;
  -apple-pay-button-style: black;
}

.divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.25rem 0 0;
  color: var(--ink-2);
  font: 600 .7rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--rule);
}

/* ---------- admin on a phone ---------- */
@media (max-width: 680px) {
  .admin { padding: 1rem .9rem 4rem; }
  .new .row { display: block; }
  .new label { margin-bottom: .9rem; }

  table, thead, tbody, tr, td { display: block; width: 100%; }
  thead { position: absolute; left: -9999px; }
  tr {
    margin-bottom: .9rem;
    padding: .9rem;
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 2px;
  }
  td { padding: .3rem 0; border: 0; }
  td:empty { display: none; }
  .inline { margin-top: .5rem; }
  .inline input { flex: 1; }
  .panel-actions { flex-direction: column; align-items: stretch; }
  .panel-actions .btn-alt, .panel-actions button { width: 100%; text-align: center; }
}