:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1d2330;
  --muted: #5d6676;
  --border: #dde1e7;
  --primary: #0b6b3a;
  --primary-text: #ffffff;
  --danger: #b42318;
  --info-bg: #eef4ff;
  --ok-bg: #e7f6ec;
  --warn-bg: #fff6e0;
  --err-bg: #fdecea;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); }
main { padding: 16px; max-width: 1400px; margin: 0 auto; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 8px; }

.topbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 10px 16px; background: #10301f; color: #fff; }
.topbar a, .topbar .link { color: #e6f2ea; text-decoration: none; }
.topbar a:hover, .topbar .link:hover { text-decoration: underline; }
.brand { font-weight: 700; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-left: auto; }
.firm-picker { display: flex; gap: 8px; align-items: center; }
.firm-picker select { padding: 4px 6px; border-radius: 4px; }
.mode { font-size: 12px; padding: 2px 8px; border-radius: 10px; }
.mode-mock { background: #d0d5dd; color: #1d2330; }
.mode-sandbox { background: #fdb022; color: #1d2330; }
.mode-production { background: #d92d20; color: #fff; }

.page-head { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; margin: 8px 0 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 14px; margin-bottom: 12px; }
.card.narrow { max-width: 380px; margin: 60px auto; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.grid .wide { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 13px; }
label.check { flex-direction: row; align-items: center; font-weight: normal; }
label small { font-weight: normal; color: var(--muted); }
input, select, textarea { font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 4px; background: #fff; width: 100%; }
input[type=checkbox] { width: auto; }
.error { color: var(--danger); font-weight: normal; font-size: 12px; }
.hidden { display: none !important; }

.btn { display: inline-block; padding: 7px 14px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text); text-decoration: none; cursor: pointer; font: inherit; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.link { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; }
form.inline { display: inline; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.filters input, .filters select { width: auto; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
thead th { background: #eef0f3; font-size: 12px; white-space: nowrap; }
tfoot th { background: #f7f8fa; }
.num { text-align: right; white-space: nowrap; }
.mono { font-family: Consolas, monospace; font-size: 12px; }
.pre { white-space: pre-line; }
.empty { text-align: center; color: var(--muted); padding: 24px; }

table.items input, table.items select { min-width: 90px; }
table.items td:first-child select { min-width: 220px; }
table.items tr.advanced { display: none; }
table.items.show-advanced tr.advanced { display: table-row; }
.adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 8px; }
tbody.deleted td { opacity: .45; text-decoration: line-through; }

.status { font-size: 12px; padding: 2px 8px; border-radius: 10px; white-space: nowrap; }
.status-draft { background: #eef0f3; }
.status-valid { background: var(--ok-bg); color: #05603a; }
.status-cancelled { background: #eef0f3; text-decoration: line-through; }
.status-error { background: var(--err-bg); color: var(--danger); }

.msg { padding: 10px 12px; border-radius: 6px; margin-bottom: 12px; border: 1px solid var(--border); }
.msg-success { background: var(--ok-bg); }
.msg-error { background: var(--err-bg); }
.msg-warning { background: var(--warn-bg); }
.msg-info { background: var(--info-bg); }

.product-pick { display: flex; gap: 6px; align-items: center; }
.btn.mini { padding: 4px 8px; font-size: 12px; white-space: nowrap; }
.dialog { border: 1px solid var(--border); border-radius: 10px; padding: 18px; width: min(640px, calc(100vw - 32px)); }
.dialog::backdrop { background: rgba(16, 24, 40, .45); }
.dialog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0; }
.dialog-grid .wide { grid-column: 1 / -1; }
.suggestions ul { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 6px; }
.suggestion { width: 100%; text-align: left; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--info-bg); cursor: pointer; font: inherit; }
.suggestion:hover { border-color: var(--primary); }
@media (max-width: 640px) { .dialog-grid { grid-template-columns: 1fr; } }

@media (max-width: 640px) {
  .topbar nav { margin-left: 0; }
}