:root {
  --bg: #f5f6f4; --card: #fff; --ink: #16181a; --mute: #5f666d; --line: #dfe2e0;
  --green: #0f6b3a; --greenbg: #e6f3eb; --red: #b3261e; --redbg: #fbe9e7; --amber: #8a5a00; --new: #fff6cc;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121414; --card: #1c1f1f; --ink: #eceeed; --mute: #a3aaa6; --line: #2e3332;
    --green: #5fd08e; --greenbg: #16301f; --red: #ff8a80; --redbg: #3a1d1a; --amber: #f0c060; --new: #3a3410; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { padding-bottom: 72px; -webkit-tap-highlight-color: transparent; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

header { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 12px 6px; }
.top { display: flex; align-items: center; gap: 10px; }
.top b { font-size: 18px; }
.live { margin-left: auto; font-size: 12px; color: var(--mute); display: flex; align-items: center; gap: 5px; }
.live i { width: 9px; height: 9px; border-radius: 50%; background: var(--mute); display: inline-block; }
.live.ok i { background: #1aa260; } .live.warn i { background: #e0a000; } .live.err i { background: var(--red); }
.icon { border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 4px 8px; font-size: 16px; }
.chips { display: flex; gap: 6px; overflow-x: auto; padding-top: 8px; scrollbar-width: none; }
.chips button { flex: none; border: 1px solid var(--line); background: var(--card); border-radius: 18px; padding: 5px 12px; font-size: 14px; }
.chips button.on { background: var(--ink); color: var(--bg); border-color: var(--ink); font-weight: 600; }

main { padding: 12px; max-width: 720px; margin: 0 auto; }
nav#tabs { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: var(--card); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); z-index: 6; }
nav#tabs button { flex: 1; border: 0; background: none; padding: 12px 2px; font-size: 14px; color: var(--mute); border-top: 3px solid transparent; }
nav#tabs button.on { color: var(--ink); font-weight: 700; border-top-color: var(--ink); }

.hero { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px; text-align: center; margin-bottom: 12px; }
.hero .lbl { color: var(--mute); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.hero .big { font-size: 34px; font-weight: 800; margin: 4px 0; font-variant-numeric: tabular-nums; }
.hero .sub { color: var(--mute); }
.split { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 6px; margin-top: 10px; text-align: left; }
.split div { border: 1px solid var(--line); border-radius: 10px; padding: 6px 8px; font-size: 13px; }
.split b { display: block; font-size: 15px; font-variant-numeric: tabular-nums; }

.list { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.row { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-top: 1px solid var(--line); }
.row:first-child { border-top: 0; }
.row .who { flex: 1; min-width: 0; }
.row .who b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; }
.row .who small { color: var(--mute); }
.row .amt { font-weight: 800; font-size: 17px; font-variant-numeric: tabular-nums; text-align: right; }
.row .amt small { display: block; font-weight: 400; font-size: 12px; color: var(--mute); }
.row.new { background: var(--new); animation: flash 2.5s ease-out; }
@keyframes flash { from { background: #ffe066; } }
.dayhead { display: flex; justify-content: space-between; padding: 10px 12px; background: var(--bg); font-weight: 700; border-top: 2px solid var(--ink); }
.dayhead:first-child { border-top: 0; }
.empty { padding: 28px 12px; text-align: center; color: var(--mute); }
.more { display: block; width: 100%; padding: 12px; border: 0; background: none; color: var(--green); font-weight: 600; }

.seg { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.seg button { border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 7px 11px; font-size: 14px; }
.seg button.on { background: var(--ink); color: var(--bg); border-color: var(--ink); font-weight: 600; }
.form { display: grid; gap: 8px; margin-bottom: 12px; }
.form input, .form select { width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.form .amtbox { font-size: 26px; font-weight: 700; }
.inline { display: flex; gap: 8px; align-items: center; }
.inline > * { flex: 1; }
.btn { border: 1px solid var(--ink); background: var(--ink); color: var(--bg); border-radius: 12px; padding: 11px 14px; font-weight: 700; }
.btn.ghost { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn.small { padding: 6px 10px; font-size: 13px; font-weight: 600; }
.btn.danger { background: var(--card); color: var(--red); border-color: var(--red); }

.bars { display: flex; align-items: flex-end; gap: 2px; height: 150px; padding: 8px 4px 0; background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
.bars .b { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; min-width: 0; }
.bars .b i { display: block; width: 100%; background: var(--green); border-radius: 3px 3px 0 0; min-height: 1px; }
.bars .b.sel i { background: var(--ink); }
.bars .b span { font-size: 10px; color: var(--mute); padding: 3px 0; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 10px 0; }
.stats div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 8px 10px; font-size: 13px; color: var(--mute); }
.stats b { display: block; color: var(--ink); font-size: 16px; font-variant-numeric: tabular-nums; }
h3 { margin: 18px 0 8px; font-size: 15px; }
.note { color: var(--mute); font-size: 13px; margin: 6px 0; }
.warnbox { background: var(--redbg); color: var(--red); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px; font-size: 14px; }
.okbox { background: var(--greenbg); color: var(--green); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px; font-size: 14px; }

.sheet { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 20; display: flex; align-items: flex-end; justify-content: center; }
.sheet .card { background: var(--card); width: 100%; max-width: 520px; border-radius: 18px 18px 0 0; padding: 18px 16px calc(18px + env(safe-area-inset-bottom)); max-height: 90vh; overflow: auto; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 10px; margin: 12px 0; font-size: 15px; }
.kv span { color: var(--mute); }
.kv b { font-variant-numeric: tabular-nums; word-break: break-all; }
.bigamt { font-size: 34px; font-weight: 800; text-align: center; }
.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 12px; z-index: 30; max-width: 90vw; }
.codebig { font-size: 34px; font-weight: 800; letter-spacing: .08em; text-align: center; margin: 12px 0; font-family: ui-monospace, Consolas, monospace; }
.tick { display: flex; flex-wrap: wrap; gap: 6px; }
.tick label { border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; display: flex; gap: 6px; align-items: center; background: var(--card); }
.person { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; margin-bottom: 8px; }
.person .ph { font-size: 12px; color: var(--mute); display: flex; justify-content: space-between; gap: 8px; margin-top: 4px; }

/* sign-in */
.gate { max-width: 360px; margin: 10vh auto 0; padding: 0 20px; text-align: center; }
.gate h1 { font-size: 24px; }
.gate input { width: 100%; padding: 14px; font-size: 22px; text-align: center; letter-spacing: .1em; border: 1px solid var(--line); border-radius: 12px; background: var(--card); margin: 6px 0; }
.gate label { display: block; text-align: left; color: var(--mute); font-size: 13px; margin-top: 8px; }
.gate .go { width: 100%; margin-top: 12px; padding: 14px; border: 0; border-radius: 12px; background: var(--ink); color: var(--bg); font-weight: 700; font-size: 17px; }
.gate .e { color: var(--red); min-height: 22px; margin-top: 10px; }
.gate .link { border: 0; background: none; color: var(--mute); text-decoration: underline; margin-top: 18px; }
.dots { display: flex; justify-content: center; gap: 14px; margin: 18px 0; }
.dots i { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--ink); }
.dots i.f { background: var(--ink); }
.pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.pad button { padding: 16px 0; font-size: 24px; border: 1px solid var(--line); background: var(--card); border-radius: 14px; }