:root {
  --bg: #121310;
  --panel: #1b1c17;
  --line: #2e2f27;
  --text: #ecebe4;
  --muted: #9b9a8f;
  --accent: #cbae62;
  --accent-ink: #12130c;
  --danger: #e07a6a;
  --ok: #8fbf8a;
  --warn-bg: #3a2f12;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; }
.hidden { display: none !important; }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea {
  background: #0f100d; border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button {
  background: #26271f; border: 1px solid var(--line); border-radius: 8px; padding: 9px 14px; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.ghost { background: transparent; }
button.big { width: 100%; padding: 14px; font-size: 17px; margin-top: 10px; }
button.danger { color: var(--danger); }
.brand { font-weight: 700; letter-spacing: .02em; font-size: 20px; }
.brand span { color: var(--accent); margin-left: 4px; font-weight: 500; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: min(360px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 24px; display: grid; gap: 12px; }
label { display: grid; gap: 4px; color: var(--muted); font-size: 13px; }
label.check { display: flex; gap: 8px; align-items: center; margin: 10px 0; }
label.check input { width: auto; }
.error { color: var(--danger); min-height: 1em; margin: 6px 0 0; }
.note { color: var(--muted); font-size: 13px; }

.top { display: flex; align-items: center; gap: 16px; padding: 10px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.top nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.top nav button { background: transparent; border-color: transparent; }
.top nav button.active { border-color: var(--accent); color: var(--accent); }
.who { display: flex; gap: 8px; align-items: center; color: var(--muted); }
.who select { width: auto; }
.banner { background: var(--warn-bg); color: #f1d38a; padding: 10px 16px; font-size: 14px; }
.banner.training { background: #2a1d33; color: #d9b6f5; }

.tab { padding: 16px; display: grid; gap: 16px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; min-width: 0; }
.panel h2, .panel h3 { margin: 0 0 12px; font-weight: 600; }
.sell { grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr); align-items: start; }
@media (max-width: 860px) { .sell { grid-template-columns: 1fr; } }
.row { display: flex; align-items: end; }
.gap { gap: 8px; flex-wrap: wrap; }
.end { justify-content: flex-end; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0; }
.chips button { padding: 5px 10px; font-size: 13px; border-radius: 999px; }
.chips button.on { border-color: var(--accent); color: var(--accent); }
.items { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; max-height: 60vh; overflow: auto; }
.items button { text-align: left; display: grid; gap: 4px; padding: 10px 12px; }
.items .price { color: var(--accent); font-variant-numeric: tabular-nums; }
.free { margin-top: 12px; color: var(--muted); }
.grid3 { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 8px; margin-top: 8px; }
.grid4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin-top: 12px; align-items: center; }
.scopes { display: flex; gap: 10px; flex-wrap: wrap; }
.scopes label { display: flex; gap: 4px; align-items: center; }
.scopes input { width: auto; }

.lines { display: grid; gap: 8px; }
.line { display: grid; grid-template-columns: 1fr auto; gap: 6px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; }
.line .name { font-weight: 500; }
.line .amt { font-variant-numeric: tabular-nums; text-align: right; }
.line .ctl { grid-column: 1 / -1; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.line .ctl input { width: 70px; padding: 5px 7px; }
.line .ctl input.reason { width: 140px; }
.line .ctl button { padding: 4px 9px; }
.total { display: flex; justify-content: space-between; font-size: 22px; padding: 12px 0; border-top: 1px solid var(--line); margin-top: 10px; }
.total strong { font-variant-numeric: tabular-nums; }
.pay { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 8px 0; }

table.list { width: 100%; border-collapse: collapse; margin-top: 10px; }
table.list th, table.list td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); font-size: 14px; }
table.list .num { text-align: right; font-variant-numeric: tabular-nums; }
table.list th { color: var(--muted); font-weight: 500; }
.tag { font-size: 12px; padding: 2px 7px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.tag.refund { color: var(--danger); border-color: var(--danger); }
.tag.prov { color: #f1d38a; border-color: #8a6d2a; }

.form { display: grid; gap: 10px; max-width: 560px; }
pre.receipt { background: #fff; color: #000; padding: 14px; border-radius: 6px; font: 12px/1.3 "Courier New", ui-monospace, monospace; overflow: auto; margin: 0; }
dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 12px; max-width: min(560px, 96vw); padding: 16px; }
dialog::backdrop { background: rgba(0,0,0,.6); }
.ok { color: var(--ok); }
.bad { color: var(--danger); }
.key { font-family: ui-monospace, monospace; background: #0f100d; padding: 10px; border-radius: 8px; word-break: break-all; border: 1px solid var(--accent); }
.version { color: var(--muted); font-size: 12px; padding: 12px 16px; }

@media print {
  body * { visibility: hidden; }
  #print-area, #print-area * { visibility: visible; }
  #print-area { position: absolute; left: 0; top: 0; }
}

.login .card.wide { width: min(520px, 100%); }
.center { text-align: center; }
a { color: var(--accent); }