:root {
  --bg: #0f1216;
  --card: #171b21;
  --card-2: #1e242c;
  --line: #2a323c;
  --text: #e6e9ee;
  --muted: #8a94a2;
  --primary: #3b82f6;
  --primary-2: #2563eb;
  --ok: #22c55e;
  --err: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}
.muted { color: var(--muted); }

/* layout */
.center { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 22px; border-bottom: 1px solid var(--line); background: var(--card);
}
.brand { font-weight: 700; font-size: 18px; }
.grid {
  display: grid; gap: 18px; padding: 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 980px; margin: 0 auto;
}
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px;
}
.card.wide { grid-column: 1 / -1; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
h1 { margin: 0 0 4px; font-size: 22px; }
h2 { margin: 0; font-size: 16px; }

/* login */
.login { width: 320px; text-align: center; }
.login input { width: 100%; margin: 16px 0 12px; }

/* forms */
.form { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.row { display: grid; grid-template-columns: 1fr 120px; gap: 12px; }
input, select {
  background: var(--card-2); border: 1px solid var(--line); color: var(--text);
  padding: 10px 12px; border-radius: 9px; font-size: 15px; outline: none;
}
input:focus, select:focus { border-color: var(--primary); }
input[readonly] { color: var(--muted); }

/* buttons */
.btn {
  border: 1px solid var(--line); background: var(--card-2); color: var(--text);
  padding: 10px 16px; border-radius: 9px; cursor: pointer; font-size: 14px; text-decoration: none;
  display: inline-block;
}
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); font-weight: 600; }
.btn.primary:hover { background: var(--primary-2); }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: default; }

/* balance */
.balance-list { display: flex; flex-direction: column; gap: 8px; }
.bal {
  display: flex; justify-content: space-between; padding: 10px 12px;
  background: var(--card-2); border-radius: 9px;
}
.bal b { font-variant-numeric: tabular-nums; }

/* result */
.result { font-size: 14px; min-height: 18px; }
.result.ok { color: var(--ok); }
.result.err { color: var(--err); }

/* alerts */
.alert { padding: 10px 12px; border-radius: 9px; font-size: 14px; }
.alert.error { background: rgba(239,68,68,.12); color: #fca5a5; }

/* table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.badge { padding: 3px 9px; border-radius: 20px; font-size: 12px; background: var(--card-2); }
.badge.s1 { background: rgba(34,197,94,.15); color: #86efac; }   /* выполнена */
.badge.s0 { background: rgba(234,179,8,.15); color: #fde047; }   /* в обработке */
.badge.s9 { background: rgba(239,68,68,.15); color: #fca5a5; }   /* ошибка */

@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
}