:root {
  --bg: #f3f4f6;
  --card: #ffffff;
  --ink: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #2563eb;
  --primary-ink: #ffffff;
  --ok-bg: #dcfce7; --ok-ink: #166534;
  --wait-bg: #fef3c7; --wait-ink: #92400e;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.45;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.nav-link { color: var(--primary); text-decoration: none; font-weight: 600; }
.container { max-width: 760px; margin: 0 auto; padding: 16px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px; margin-bottom: 16px;
}
.auth-card { max-width: 380px; margin: 48px auto; }
h1 { font-size: 20px; margin: 0 0 6px; }
h2 { font-size: 16px; margin: 22px 0 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.count { background: var(--line); border-radius: 999px; padding: 1px 9px; font-size: 13px; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.supplier-name { font-size: 18px; font-weight: 700; }

label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input {
  width: 100%; padding: 12px; font-size: 16px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--ink);
}
input:focus { outline: 2px solid var(--primary); border-color: var(--primary); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); font-weight: 600; font-size: 15px;
  text-decoration: none; cursor: pointer; width: 100%; margin-top: 14px;
}
.btn.primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.btn.big { padding: 14px 16px; }
.actions { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; }
.actions .btn { margin-top: 0; }
@media (max-width: 480px) { .actions { grid-template-columns: 1fr; } }

.alert { padding: 10px 12px; border-radius: 10px; font-size: 14px; margin-top: 12px; }
.alert.error { background: #fee2e2; color: #991b1b; }

.list { display: flex; flex-direction: column; gap: 8px; }
.row {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.row.req { align-items: flex-start; }
.status { display: flex; flex-direction: column; gap: 4px; align-items: flex-end; flex-shrink: 0; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok-ink); }
.badge.wait { background: var(--wait-bg); color: var(--wait-ink); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; text-align: center; }
.stat.hl { border-color: var(--primary); }
.stat .num { font-size: 22px; font-weight: 700; }
.stat .lbl { font-size: 12px; color: var(--muted); }
@media (max-width: 560px) { .stats { grid-template-columns: repeat(2, 1fr); } }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
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; }
tr:last-child td { border-bottom: none; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; }
a { color: var(--primary); }

select {
  width: 100%; padding: 12px; font-size: 16px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--ink);
}
select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }

.search-results { border: 1px solid var(--line); border-radius: 10px; margin-top: 6px; overflow: hidden; }
.search-results:empty { border: none; }
.search-item { padding: 11px 12px; cursor: pointer; border-bottom: 1px solid var(--line); font-size: 14px; }
.search-item:last-child { border-bottom: none; }
.search-item:hover { background: #eff6ff; }
.search-empty { padding: 11px 12px; color: var(--muted); font-size: 14px; }
.chosen { margin-top: 8px; color: var(--ok-ink); background: var(--ok-bg); padding: 8px 12px; border-radius: 8px; font-size: 14px; }

.kv { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.kv:last-of-type { border-bottom: none; }
.kv span { color: var(--muted); }

.hint { font-size: 12px; color: var(--muted); margin-top: 5px; }
input.invalid, select.invalid { border-color: #ef4444; background: #fef2f2; }
input.invalid:focus, select.invalid:focus { outline-color: #ef4444; }
.field-error { font-size: 12px; color: #b91c1c; margin-top: 5px; font-weight: 600; }