/* Layout: one narrow column, phone-first. Owner gets a ledger of customer "tags"; customers get a single lookup card. */
[hidden] { display: none !important; }
:root {
  --bg: #eef1f4;
  --surface: #ffffff;
  --ink: #17202b;
  --muted: #5c6878;
  --line: #d6dce4;
  --tag: #f3c13a;        /* price-tag yellow accent */
  --tag-ink: #2a2006;
  --plus: #e8f5ee;
  --plus-ink: #17663f;
  --minus: #fdecea;
  --minus-ink: #a2281b;
  --focus: #2d6cdf;
  --display: "Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;
  --body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11161d; --surface: #1a212b; --ink: #e9edf2; --muted: #9aa6b5; --line: #2c3643;
    --tag: #f3c13a; --tag-ink: #2a2006; --plus: #173326; --plus-ink: #8fe0b4;
    --minus: #3a1c19; --minus-ink: #f5a59b; --focus: #7aa7ff; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #11161d; --surface: #1a212b; --ink: #e9edf2; --muted: #9aa6b5; --line: #2c3643;
  --tag: #f3c13a; --tag-ink: #2a2006; --plus: #173326; --plus-ink: #8fe0b4;
  --minus: #3a1c19; --minus-ink: #f5a59b; --focus: #7aa7ff; color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 15px; line-height: 1.5; }
.wrap { max-width: 720px; margin: 0 auto; padding-inline: 16px; padding-block: 20px 48px; display: grid; gap: 20px; }
h1, h2, h3 { font-family: var(--display); margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; font-weight: 800; }
h2 { font-size: 1.15rem; font-weight: 700; }
.eyebrow { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
header.top { display: flex; align-items: end; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-tag { width: 34px; height: 24px; background: var(--tag); border-radius: 4px 12px 12px 4px; position: relative; flex: none; }
.brand-tag::after { content: ""; position: absolute; right: 7px; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-radius: 50%; background: var(--bg); }
.tabs { display: flex; gap: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 3px; }
.tabs button { border: 0; background: transparent; color: var(--muted); font: 600 0.85rem var(--body); padding: 6px 12px; border-radius: 7px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; display: grid; gap: 14px; }
.stats { display: flex; gap: 24px; flex-wrap: wrap; }
.stat b { display: block; font-family: var(--display); font-size: 1.6rem; font-weight: 800; line-height: 1.1; }
label { font-size: 0.82rem; font-weight: 600; color: var(--muted); display: grid; gap: 4px; }
input { font: 500 1rem var(--body); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; width: 100%; min-width: 0; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.row > label { flex: 1 1 180px; }
.btn { font: 700 0.95rem var(--body); border: 0; border-radius: 9px; padding: 11px 16px; cursor: pointer; background: var(--ink); color: var(--bg); }
.btn.tag { background: var(--tag); color: var(--tag-ink); }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); padding: 7px 11px; font-size: 0.82rem; }
.btn.danger { background: var(--minus); color: var(--minus-ink); }
.btn:disabled { opacity: 0.5; cursor: default; }
.list { display: grid; gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px; display: grid; gap: 12px; }
.card-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.card-head > div { min-width: 0; }
.cname { font-family: var(--display); font-weight: 700; font-size: 1.1rem; overflow-wrap: anywhere; }
.badge { display: inline-block; font-family: var(--mono); font-size: 0.78rem; background: var(--bg); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; color: var(--muted); }
.pts { text-align: right; flex: none; }
.pts b { display: block; font-family: var(--display); font-weight: 800; font-size: 1.9rem; line-height: 1; font-variant-numeric: tabular-nums; }
.pts span { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.adds { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.adds button { font: 600 0.95rem var(--mono); border: 1px solid transparent; background: var(--plus); color: var(--plus-ink); border-radius: 8px; padding: 10px 0; cursor: pointer; font-variant-numeric: tabular-nums; }
.adds button:active { transform: scale(0.96); }
.redeem { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.redeem input { flex: 1 1 110px; width: auto; padding: 8px 10px; }
.redeem .btn { padding: 9px 14px; font-size: 0.88rem; }
.foot { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; align-items: center; font-size: 0.8rem; }
.foot .acts { display: flex; gap: 6px; flex-wrap: wrap; }
.hist { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; font-size: 0.85rem; }
.hist li { display: flex; justify-content: space-between; gap: 10px; border-top: 1px dashed var(--line); padding-top: 4px; }
.up { color: var(--plus-ink); } .down { color: var(--minus-ink); }
.empty { text-align: center; padding: 28px 16px; color: var(--muted); border: 1px dashed var(--line); border-radius: 14px; }
.toast { position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 16px; border-radius: 999px; font-weight: 600; font-size: 0.9rem; max-width: calc(100% - 32px); }
.lookup-result { display: grid; gap: 12px; justify-items: center; text-align: center; padding: 10px 0 4px; }
.big-tag { background: var(--tag); color: var(--tag-ink); border-radius: 10px 36px 36px 10px; padding: 18px 46px 18px 26px; position: relative; }
.big-tag::after { content: ""; position: absolute; right: 18px; top: 50%; width: 12px; height: 12px; margin-top: -6px; border-radius: 50%; background: var(--surface); }
.big-tag b { display: block; font-family: var(--display); font-weight: 800; font-size: 3rem; line-height: 1; font-variant-numeric: tabular-nums; }
.lookup-result .hist { width: 100%; text-align: left; }
.worth { font-family: var(--mono); font-size: 0.8rem; font-weight: 500; color: var(--plus-ink); margin-top: 4px; }
.worth-big { display: grid; gap: 2px; }
.worth-big b { font-family: var(--display); font-size: 1.5rem; font-weight: 800; color: var(--plus-ink); }
.owed { display: grid; gap: 2px; padding: 12px 14px; border-radius: 10px; background: var(--plus); color: var(--plus-ink); }
.owed .eyebrow { color: inherit; }
.owed b { font-family: var(--display); font-size: 2rem; font-weight: 800; line-height: 1.1; }
.owed .muted { color: inherit; opacity: 0.85; font-size: 0.85rem; }
.confirm { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; background: var(--minus); color: var(--minus-ink); padding: 8px 10px; border-radius: 9px; font-size: 0.85rem; }
@media (prefers-reduced-motion: reduce) { .adds button:active { transform: none; } }
@media (max-width: 380px) { .adds button { font-size: 0.85rem; } }
.signin { max-width: 420px; }
.err { color: var(--minus-ink); font-size: 0.88rem; margin: 0; }
a { color: inherit; }
.small-link { font-size: 0.82rem; color: var(--muted); }
.ref-line { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }
.pending { color: var(--muted); font-style: italic; }
.refer { width: 100%; text-align: left; border: 1px dashed var(--line); border-radius: 10px; padding: 12px 14px; display: grid; gap: 6px; }
.refer p { margin: 0; font-size: 0.9rem; }
.toggle-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 12px; }
.toggle-row > div { display: grid; gap: 2px; flex: 1 1 220px; min-width: 0; }
.toggle-row .muted { font-size: 0.85rem; }
#ref-toggle[aria-pressed="true"] { background: var(--plus); color: var(--plus-ink); border-color: transparent; }
.stack { display: grid; gap: 12px; }
.code-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
.badge.code { font-size: 0.9rem; letter-spacing: 0.08em; color: var(--ink); }
.btn.copy { padding: 3px 8px; font-size: 0.75rem; }
.name-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.btn.edit { padding: 2px 8px; font-size: 0.72rem; }
.name-edit { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.name-edit input { flex: 1 1 160px; width: auto; padding: 7px 10px; }
.name-edit .btn { padding: 8px 12px; font-size: 0.85rem; }
.bday-field { display: grid; gap: 4px; flex: 1 1 180px; min-width: 0; }
.field-label { font-size: 0.82rem; font-weight: 600; color: var(--muted); }
.bday-selects { display: flex; gap: 6px; }
.bday-selects select { flex: 1 1 0; min-width: 0; font: 500 0.95rem var(--body); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 9px 8px; }
.name-edit .bday-field { flex: 1 1 100%; }
.bday-today { font-size: 0.8rem; font-weight: 600; color: var(--tag-ink); background: var(--tag); border-radius: 6px; padding: 3px 8px; margin-top: 4px; display: inline-block; }
.rule-label { color: var(--ink); font-weight: 700; }
.bday-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.confirm-note { flex: 1 1 100%; font-weight: 600; }
.refer .bday-selects select { flex: 1 1 0; }
.refer .err { margin: 0; }
.heart { width: 1em; height: 1em; flex: none; }
.donate-title { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.donate .donate-title, .donations-panel .heart-wrap { color: #c8102e; }
.donations-panel .heart-wrap { display: inline-flex; font-size: 1.15rem; }
.donate-btn { display: inline-flex; align-items: center; gap: 8px; background: #c8102e; color: #fff; }
.donate-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.donate-row input { flex: 1 1 140px; width: auto; }
.count-badge { background: #c8102e; color: #fff; font-size: 0.75rem; font-weight: 700; border-radius: 999px; padding: 2px 8px; }
.don-row { display: grid; gap: 6px; padding-block: 8px; border-top: 1px solid var(--line); }
.don-row:first-child { border-top: 0; }