:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --text: #1c2330;
  --muted: #6b7686;
  --border: #e2e6ec;
  --primary: #2f6fed;
  --green: #16a34a;
  --red: #dc2626;
  --binance: #f0b90b;
  --redotpay: #e5484d;
  --cih: #1d4ed8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141b;
    --panel: #171e27;
    --text: #e6eaf0;
    --muted: #8e99a8;
    --border: #2a3441;
    --primary: #5b8cff;
    --green: #22c55e;
    --red: #f05252;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
}
.topbar {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  padding: 16px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.topbar h1 { margin: 0; font-size: 20px; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }

.muted { color: var(--muted); }
.small-text { font-size: 13px; font-weight: 400; }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; min-width: 0;
}
.panel h2 { margin: 0 0 12px; font-size: 17px; }
.panel h3 { margin: 16px 0 8px; font-size: 15px; }
.chart-box h3 { margin-top: 0; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; border-top: 4px solid var(--muted);
}
.card.acc-binance { border-top-color: var(--binance); }
.card.acc-redotpay { border-top-color: var(--redotpay); }
.card.acc-cih { border-top-color: var(--cih); }
.card.total { border-top-color: var(--primary); }
.card-top { display: flex; justify-content: space-between; color: var(--muted); font-size: 14px; }
.cur { font-weight: 600; }
.bal { font-size: 24px; font-weight: 700; margin: 6px 0; font-variant-numeric: tabular-nums; }
.sub { display: flex; gap: 12px; font-size: 13px; color: var(--muted); }
.up { color: var(--green); }
.down { color: var(--red); }

/* Forms */
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; align-items: end; }
.grid-form .wide { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
input, select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%;
}
.inline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline select, .inline input { flex: 1; min-width: 0; }
.actions { display: flex; gap: 8px; }

.btn {
  font: inherit; cursor: pointer; border: 1px solid var(--border); background: var(--bg);
  color: var(--text); border-radius: 8px; padding: 8px 14px; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.small { padding: 6px 10px; font-size: 13px; }
.btn.danger { color: var(--red); }
.file-btn { display: inline-block; flex-direction: row; color: var(--text); font-size: 15px; }

/* Summary */
.summary { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 12px; font-size: 14px; }
.summary b { font-variant-numeric: tabular-nums; }

/* Charts */
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.chart-box { position: relative; }
.chart-box canvas { max-height: 300px; }
.wide-chart { grid-column: 1 / -1; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 8px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.note { white-space: normal; max-width: 260px; }
.badge { padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.badge.deposit { background: color-mix(in srgb, var(--green) 15%, transparent); color: var(--green); }
.badge.withdraw { background: color-mix(in srgb, var(--red) 15%, transparent); color: var(--red); }
.row-actions { display: flex; gap: 4px; }
.empty { text-align: center; color: var(--muted); padding: 24px; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 6px 4px 12px;
  border: 1px solid var(--border); border-radius: 99px; font-size: 13px;
}
.chip button { border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 15px; }
.chip button:hover { color: var(--red); }

@media (max-width: 600px) {
  main { padding: 12px; }
  .charts { grid-template-columns: 1fr; }
}

/* Sign in */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-box { width: 100%; max-width: 360px; display: grid; gap: 12px; }
.login-box h1 { margin: 0; font-size: 22px; }
.login-box p { margin: 0; }
[hidden] { display: none !important; }

/* Top bar */
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sync { font-size: 13px; color: var(--muted); }
.sync.ok { color: var(--green); }
.sync.err { color: var(--red); }