:root {
  --bg: #ffffff; --fg: #15171c; --muted: #6b7280; --line: #e5e7eb; --card: #f8fafc; --accent: #0b7a5a; --accent-fg: #fff;
  --good: #0b7a5a; --warn: #b45309; --chip: #eef2f7;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e0f12; --fg: #e8eaf0; --muted: #9aa3b2; --line: #272a33; --card: #171a21; --accent: #2fb389; --accent-fg: #06130e; --chip: #20242d; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, Segoe UI, sans-serif; background: var(--bg); color: var(--fg); }
.top { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 2; }
.brand { font-weight: 700; font-size: 18px; letter-spacing: .2px; }
.tabs { display: flex; gap: 6px; }
.tabs button { border: 1px solid var(--line); background: var(--card); color: var(--fg); padding: 6px 12px; border-radius: 999px; cursor: pointer; font: inherit; }
.tabs button[aria-pressed="true"] { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.controls { display: flex; gap: 14px; align-items: center; margin-left: auto; color: var(--muted); font-size: 14px; }
.controls select { font: inherit; margin-left: 6px; background: var(--card); color: var(--fg); border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px; }
.check { display: flex; align-items: center; gap: 6px; }
main { max-width: 980px; margin: 0 auto; padding: 16px; }
.status { color: var(--muted); font-size: 14px; margin: 4px 0 12px; min-height: 1.2em; }
.status.error { color: #c0392b; }
.list { display: grid; gap: 10px; }
.card { border: 1px solid var(--line); border-radius: 12px; background: var(--card); overflow: hidden; }
.card > summary { list-style: none; cursor: pointer; padding: 12px 14px; display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: center; }
.card > summary::-webkit-details-marker { display: none; }
.rank { font-weight: 700; color: var(--muted); }
.headline { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: baseline; }
.pct { font-size: 20px; font-weight: 800; color: var(--good); }
.money { color: var(--muted); font-size: 14px; }
.money b { color: var(--fg); }
.items-brief { color: var(--muted); font-size: 13px; margin-top: 2px; }
.badges { display: flex; gap: 6px; align-items: center; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--chip); color: var(--muted); white-space: nowrap; }
.badge.verified { background: var(--good); color: #fff; }
.badge.reward { color: var(--warn); }
.detail { border-top: 1px solid var(--line); padding: 12px 14px 14px; display: grid; gap: 14px; }
h3 { margin: 0 0 6px; font-size: 13px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
td, th { text-align: left; padding: 5px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
td.num, th.num { text-align: right; white-space: nowrap; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--muted); }
.clip { display: grid; gap: 6px; }
.clip-row { display: flex; gap: 10px; align-items: baseline; }
.clip-row .id { font-family: ui-monospace, Menlo, monospace; font-size: 12px; background: var(--chip); padding: 1px 6px; border-radius: 4px; }
.clip-row .amt { margin-left: auto; white-space: nowrap; }
.steps { margin: 0; padding-left: 20px; }
.steps li { margin: 3px 0; }
.totals { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; }
.verify { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.verify textarea { flex: 1 1 260px; min-height: 38px; font: inherit; padding: 6px 8px; background: var(--bg); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; }
button.primary { background: var(--accent); color: var(--accent-fg); border: 0; padding: 8px 14px; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; }
button.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); padding: 8px 14px; border-radius: 8px; font: inherit; cursor: pointer; }
button:disabled { opacity: .6; cursor: default; }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 18px; }
@media (max-width: 600px) { .card > summary { grid-template-columns: 32px 1fr; } .badges { grid-column: 2; } .controls { margin-left: 0; } }

/* --- deal card v2 --- */
.card > summary { grid-template-columns: 40px 1fr auto; }
.head .pay { font-size: 17px; }
.head .pay b { font-size: 19px; }
.later { color: var(--warn); font-weight: 600; font-size: 14px; margin-left: 6px; }
.badge.save { background: var(--good); color: #fff; font-weight: 700; }
.detail section { display: block; }
.buy, .clip { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.buy li, .clip li { display: flex; gap: 10px; align-items: baseline; }
.buy .qty { width: 30px; font-weight: 700; color: var(--muted); }
.buy .name, .clip .name { flex: 1; }
.buy .price, .clip .price { color: var(--muted); white-space: nowrap; }
.clip label { display: flex; gap: 10px; align-items: baseline; width: 100%; cursor: pointer; }
.clip input.tick { transform: translateY(1px); }
.clip.auto { margin-top: 6px; color: var(--muted); font-size: 14px; }
.payline { font-size: 16px; padding: 10px 12px; border: 1px dashed var(--line); border-radius: 10px; }
.muted { color: var(--muted); font-size: 14px; margin: 0; }
details.more { border-top: 1px solid var(--line); padding-top: 8px; }
details.more > summary { cursor: pointer; color: var(--muted); font-size: 14px; }
details.more table { margin: 10px 0; }
.diag { margin: 0; padding-left: 18px; font-size: 13px; color: var(--muted); }
.diag li { margin: 2px 0; }
.badge.frozen { background: var(--warn); color: #fff; }

/* --- receipts / savings --- */
.views { margin-left: 8px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.similar { border-top: 1px solid var(--line); padding-top: 8px; }
.sim { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 14px; }
.sim .rank { color: var(--muted); font-weight: 700; }
.savings .hero { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); margin-bottom: 14px; }
.savings .label { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .4px; }
.savings .big { font-size: 40px; font-weight: 800; color: var(--good); line-height: 1.1; }
.good { color: var(--good); } .warn { color: var(--warn); }
table.purchases td a { color: var(--accent); }
[hidden] { display: none !important; }

.confirm { border: 1px dashed var(--line); border-radius: 10px; padding: 10px 12px; display: grid; gap: 8px; }
.confirm-msg { font-weight: 600; }
.confirm-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.confirm-row .pay { display: flex; gap: 6px; align-items: center; font-size: 14px; color: var(--muted); }
.confirm-row .pay input { width: 110px; font: inherit; padding: 6px 8px; background: var(--bg); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; }
.skip-link { color: var(--muted); font-size: 14px; }
.badge.st-self { background: var(--chip); } .badge.st-edit { background: var(--warn); color: #fff; } .badge.st-receipt { background: var(--good); color: #fff; }

/* --- savings tracker --- */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 12px; }
.stat { border: 1px solid var(--line); border-radius: 12px; background: var(--card); padding: 10px 12px; min-width: 0; }
.stat .label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat .val { font-size: 20px; font-weight: 800; line-height: 1.2; }
.small { font-size: 12px; font-weight: 500; }
.subtabs { margin: 6px 0 12px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; margin-bottom: 10px; font-size: 14px; color: var(--muted); }
.filters input, .filters select { font: inherit; padding: 5px 8px; background: var(--bg); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; }
.filters input[type=search] { flex: 1 1 220px; }
.trips { display: grid; gap: 8px; }
details.trip { border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
details.trip > summary { list-style: none; cursor: pointer; padding: 10px 12px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 14px; }
details.trip > summary::-webkit-details-marker { display: none; }
.row-nums { display: flex; gap: 14px; color: var(--muted); font-size: 14px; align-items: baseline; }
.row-nums b { color: var(--fg); }
details.trip table { margin: 0 12px 10px; width: calc(100% - 24px); }
th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
.unit { color: var(--muted); font-size: 13px; } .unit b { color: var(--fg); }
.resale { color: var(--warn); font-size: 12px; white-space: nowrap; }
.bulk { padding: 8px 10px; border: 1px dashed var(--line); border-radius: 10px; }
.sold-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; padding: 10px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; font-size: 14px; color: var(--muted); }
.sold-form label { display: grid; gap: 4px; }
.sold-form input, .sold-form select { font: inherit; padding: 6px 8px; background: var(--bg); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; width: 120px; }
details.stock { border: 1px solid var(--line); border-radius: 12px; background: var(--card); margin-bottom: 8px; }
details.stock > summary { list-style: none; cursor: pointer; padding: 10px 12px; display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
details.stock > summary::-webkit-details-marker { display: none; }
details.stock .name { font-weight: 600; }
.units { list-style: none; margin: 0; padding: 0 12px 10px; display: grid; gap: 6px; }
.units li { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; font-size: 14px; }
.unit-actions { margin-left: auto; display: flex; gap: 6px; }
button.tiny { padding: 3px 8px; font-size: 12px; border-radius: 6px; }
.chk input { transform: scale(1.15); }
@media (max-width: 640px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  table.cards thead { display: none; }
  table.cards, table.cards tbody, table.cards tr, table.cards td { display: block; width: 100%; }
  table.cards tr { border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; margin: 8px 0; background: var(--bg); }
  table.cards td { border: 0; padding: 3px 0; display: flex; justify-content: space-between; gap: 10px; text-align: right; }
  table.cards td::before { content: attr(data-label); color: var(--muted); font-size: 12px; text-align: left; }
  details.trip table { margin: 0 8px 8px; width: calc(100% - 16px); }
  .unit-actions { margin-left: 0; width: 100%; }
}