:root {
  --bg: #f4f5f7; --card: #ffffff; --ink: #1b1f27; --muted: #5c6573; --line: #dde1e7;
  --accent: #1f3864; --accent-ink: #ffffff;
  --ok-bg: #d9f2e1; --ok-ink: #0b5a2a; --bad-bg: #fbdcdc; --bad-ink: #8a1212; --warn-bg: #fdf0c9; --warn-ink: #6b4a00;
  --focus: #2b6cb0; --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151b; --card: #1a2029; --ink: #e8ebf0; --muted: #9aa5b4; --line: #2b3441;
    --accent: #7ea6e0; --accent-ink: #0d1520;
    --ok-bg: #12351f; --ok-ink: #8fe0ad; --bad-bg: #431818; --bad-ink: #ffb0b0; --warn-bg: #3d3210; --warn-ink: #f5d98a;
    --focus: #7ea6e0;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.45; }
body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
h1 { font-size: 1.4rem; margin: 0 0 .5rem; }
h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
h3 { font-size: .85rem; margin: 1.1rem 0 .3rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.muted { color: var(--muted); font-size: .9rem; }
.error { color: var(--bad-ink); min-height: 1.2em; margin: .4rem 0 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1rem 0; }

.center { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; margin: .75rem auto; max-width: 1100px; }
.card.narrow { max-width: 460px; width: 100%; }
.hero { display: grid; gap: .25rem; }
.big { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
main { padding: 0 .75rem; max-width: 1150px; margin: 0 auto; }
main:focus { outline: none; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: .75rem; padding: .6rem .9rem; padding-top: calc(.6rem + env(safe-area-inset-top)); background: var(--accent); color: var(--accent-ink); }
.brand { font-weight: 700; flex: 1; }
.sync { font-size: .8rem; padding: .15rem .5rem; border-radius: 999px; background: rgba(255,255,255,.18); }
.sync[data-state="warn"] { background: var(--warn-bg); color: var(--warn-ink); }
.top .ghost { color: inherit; border-color: rgba(255,255,255,.5); }

.tabs { position: fixed; bottom: 0; left: 0; right: 0; display: flex; background: var(--card); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); z-index: 5; }
.tabs button { flex: 1; border: 0; background: transparent; color: var(--muted); padding: .85rem .2rem; font-size: .85rem; border-radius: 0; }
.tabs button[aria-current="page"] { color: var(--accent); font-weight: 700; box-shadow: inset 0 3px 0 var(--accent); }

button { font: inherit; cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); border-radius: 8px; padding: .5rem .9rem; }
button.ghost { background: transparent; color: var(--accent); }
button.icon { background: transparent; color: var(--muted); border-color: transparent; padding: .2rem .55rem; font-size: 1.1rem; }
button:disabled { opacity: .5; cursor: not-allowed; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; }

.toolbar { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0; }
form.stack, label.stack { display: grid; gap: .5rem; margin-top: .6rem; }
label { display: grid; gap: .25rem; font-size: .9rem; margin: .6rem 0; }
label.check { display: flex; gap: .5rem; align-items: flex-start; }
label.field { grid-template-columns: 1fr minmax(8rem, 12rem); align-items: center; gap: .75rem; margin: .35rem 0; }
input, select { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: .45rem .55rem; width: 100%; }
input[type="checkbox"] { width: auto; margin-top: .2rem; }
.cell { padding: .3rem .4rem; min-width: 5.5rem; }
.cell.num { text-align: right; font-variant-numeric: tabular-nums; }
.cell.invalid { border-color: var(--bad-ink); }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: .35rem .5rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th[scope="row"] { font-weight: 500; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.grid th { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
.grid td .cell { width: 100%; }
.grid td:nth-child(4) .cell { min-width: 12rem; }
.grid tr.unclassified td { background: var(--warn-bg); }
tfoot th, tfoot td { font-weight: 700; border-bottom: 0; }
.kv tr.total th, .kv tr.total td { font-weight: 700; border-top: 2px solid var(--line); }
.kv thead th { font-size: .78rem; color: var(--muted); }
tr.muted th, tr.muted td { color: var(--muted); }

.pill { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 700; letter-spacing: .02em; }
.pill.ok { background: var(--ok-bg); color: var(--ok-ink); }
.pill.bad { background: var(--bad-bg); color: var(--bad-ink); }
.pill.warn { background: var(--warn-bg); color: var(--warn-ink); }
.banner { max-width: 1100px; margin: .6rem auto; padding: .6rem .8rem; border-radius: 8px; font-size: .9rem; }
.banner.warn { background: var(--warn-bg); color: var(--warn-ink); }
.banner.bad { background: var(--bad-bg); color: var(--bad-ink); }
.banner button { margin: .25rem .25rem 0 0; padding: .25rem .6rem; font-size: .85rem; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(76px + env(safe-area-inset-bottom)); max-width: min(92vw, 560px); background: var(--ink); color: var(--bg); padding: .65rem .9rem; border-radius: 8px; z-index: 20; font-size: .9rem; white-space: pre-wrap; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 30; display: grid; place-items: start center; overflow: auto; padding: 1rem; }
.sheet { background: var(--card); border-radius: var(--radius); padding: 1rem; width: min(760px, 100%); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: .25rem .75rem; }
ul.hist { list-style: none; padding: 0; margin: .5rem 0; }
ul.hist li { padding: .35rem 0; border-bottom: 1px solid var(--line); display: flex; gap: .75rem; align-items: center; justify-content: space-between; }

@media (max-width: 560px) {
  label.field { grid-template-columns: 1fr; }
  .big { font-size: 1.7rem; }
}