:root {
  --bg: #0f0f17;
  --surface: #1a1a25;
  --surface-2: #22222f;
  --border: #2c2c3a;
  --text: #e8e8ef;
  --muted: #9a9ab0;
  --accent: #a855f7;
  --pos: #4ade80;
  --neg: #f87171;
  --loan: #60a5fa;
  --warn: #fbbf24;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
.muted { color: var(--muted); }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.loan { color: var(--loan); }
.warn { color: var(--warn); }

/* topbar */
.topbar {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 12px 18px; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 17px; color: var(--text); }
.topbar nav { display: flex; gap: 16px; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); font-weight: 500; padding: 4px 0; }
.topbar nav a.on { color: var(--text); border-bottom: 2px solid var(--accent); }
.topbar nav a:hover { color: var(--text); }

.container { max-width: 1000px; margin: 0 auto; padding: 18px; }

/* cards */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 14px; font-size: 15px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.grid { display: grid; gap: 14px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* stat */
.stat .label { color: var(--muted); font-size: 13px; }
.stat .big { font-size: 26px; font-weight: 700; margin-top: 2px; }
.inout { display: flex; justify-content: space-between; font-size: 14px; margin-top: 8px; }

/* month nav */
.monthnav { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 16px; }
.monthnav .m { font-size: 19px; font-weight: 700; min-width: 180px; text-align: center; text-transform: capitalize; }
.btn {
  display: inline-block; background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 8px 14px;
  cursor: pointer; font-size: 14px;
}
.btn:hover { border-color: var(--accent); }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-danger { color: var(--neg); }
.btn-sm { padding: 5px 10px; font-size: 13px; }

/* bars */
.bar-row { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: center; margin-bottom: 12px; }
.bar-label { display: flex; justify-content: space-between; }
.bar-track { grid-column: 1 / -1; height: 8px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 6px; }

/* tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
tr:hover td { background: var(--surface-2); }
.tablewrap { overflow-x: auto; }

/* pills / forms */
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; background: var(--surface-2); color: var(--muted); }
select, input[type=text], input[type=number], input[type=password] {
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 10px; padding: 9px 11px; font-size: 14px; width: 100%;
}
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row > * { flex: 0 0 auto; }
form.inline { display: inline; }

/* login */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; width: 100%; max-width: 340px; text-align: center;
  display: flex; flex-direction: column; gap: 12px;
}
.login-card h1 { margin: 0; font-size: 22px; }
.login-card .login-logo { font-size: 40px; }
.login-card input { text-align: left; }
.login-card button { background: var(--accent); color: #fff; border: none; border-radius: 10px; padding: 11px; font-size: 15px; cursor: pointer; font-weight: 600; }
.error { background: rgba(248,113,113,.12); color: var(--neg); border: 1px solid rgba(248,113,113,.3); border-radius: 10px; padding: 9px; font-size: 14px; }
.empty { text-align: center; color: var(--muted); padding: 30px 10px; }
.flagcard { border-left: 3px solid var(--warn); }
canvas { max-width: 100%; }