:root {
    --bg: #f5f6f8;
    --surface: #fff;
    --text: #1d2330;
    --muted: #6b7280;
    --border: #e3e6eb;
    --primary: #0b4fd6;
    --primary-text: #fff;
    --good: #12805c;
    --bad: #b42318;
    --warn-bg: #fff7e0;
    --warn-border: #f0c75e;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.45;
    color: var(--text);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #12151b;
        --surface: #1b1f27;
        --text: #e6e8ec;
        --muted: #9aa3af;
        --border: #2c323d;
        --primary: #4d8bff;
        --good: #3ccf91;
        --bad: #ff7a6b;
        --warn-bg: #3a3218;
        --warn-border: #8a7330;
    }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--primary); }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
main { max-width: 1400px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

.topbar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; padding: .6rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar .brand { font-weight: 600; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; flex-wrap: wrap; gap: .9rem; align-items: center; }
.topbar nav a { text-decoration: none; color: var(--muted); }
.topbar nav a.active { color: var(--text); font-weight: 600; }
.topbar .user { color: var(--muted); font-size: .85rem; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 1rem; overflow-x: auto; }
.card.narrow { max-width: 420px; margin: 3rem auto; }
.center { text-align: center; }

.flash { padding: .6rem .8rem; border-radius: 8px; margin-bottom: .75rem; border: 1px solid var(--border); }
.flash-success { border-color: var(--good); }
.flash-error { border-color: var(--bad); color: var(--bad); }
.flash-warning { background: var(--warn-bg); border-color: var(--warn-border); }

button, .button { display: inline-block; font: inherit; padding: .45rem .9rem; border-radius: 7px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; text-decoration: none; }
button.primary, .button.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
button.danger { border-color: var(--bad); color: var(--bad); }
button.link { border: 0; background: none; padding: 0; color: var(--primary); text-decoration: underline; }
button.link.danger { color: var(--bad); }

form.inline { display: inline-flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: .25rem .5rem .25rem 0; }
form.inline.right { float: right; }
form.stack { display: grid; gap: .8rem; max-width: 640px; margin-top: 1rem; }
form.stack label, dialog label { display: grid; gap: .25rem; }
select, input[type=file] { font: inherit; padding: .35rem; border-radius: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text); max-width: 100%; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .5rem; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 0 0 1rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { font-weight: 600; color: var(--muted); font-size: .85rem; }
.num { text-align: right !important; white-space: nowrap; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.neg { color: var(--text); }
.pos { color: var(--good); }
.amount.big { font-size: 1.4rem; font-weight: 600; }

.transactions tr.row-duplicate td { opacity: .55; }
.transactions tr.row-blocked td { background: var(--warn-bg); }

.muted { color: var(--muted); }
.small { font-size: .82rem; }
.good { color: var(--good); }
.bad { color: var(--bad); }

.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .78rem; border: 1px solid var(--border); white-space: nowrap; }
.badge-planned, .badge-posted { border-color: var(--good); color: var(--good); }
.badge-blocked { border-color: var(--warn-border); background: var(--warn-bg); }
.badge-duplicate, .badge-undone { color: var(--muted); }
.badge-draft, .badge-partial { border-color: var(--primary); color: var(--primary); }
.counts { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .75rem; }

pre { white-space: pre-wrap; word-break: break-all; font-size: .78rem; background: var(--bg); padding: .5rem; border-radius: 6px; max-height: 320px; overflow: auto; }

dialog { border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); width: min(560px, 95vw); }
dialog::backdrop { background: rgb(0 0 0 / 35%); }
dialog form { display: grid; gap: .8rem; }