:root {
  --bg: #f4f6f8; --card: #fff; --ink: #1c2733; --muted: #7a8896;
  --line: #e2e8f0; --brand: #2563eb; --brand-ink: #fff;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 17px; color: var(--ink); }
.container { max-width: 900px; margin: 24px auto; padding: 0 24px; }
h1 { font-size: 22px; } h2 { font-size: 17px; margin-top: 28px; }
.muted { color: var(--muted); }
.head-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin: 14px 0; }
.card.info { border-color: #bfdbfe; background: #eff6ff; }
.card > label, form.card > label { display: block; margin-bottom: 14px; font-weight: 600; }
label input, label select, label textarea { display: block; width: 100%; margin-top: 6px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; font: inherit; font-weight: 400; }

fieldset { border: 1px solid var(--line); border-radius: 10px; margin: 14px 0; padding: 14px; }
legend { padding: 0 8px; font-weight: 600; }

table.grid { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.grid th, .grid td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.grid thead th { background: #f8fafc; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.grid tfoot th { background: #f8fafc; }
.num { text-align: right; }
table.works input { width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; font: inherit; }
.works .w-qty, .works .w-price { width: 110px; } .works .w-unit { width: 80px; }

.btn { display: inline-block; padding: 9px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); font: inherit; cursor: pointer; }
.btn:hover { background: #f1f5f9; text-decoration: none; }
.btn-primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn-primary:hover { background: #1d4ed8; }
.btn-ghost { color: var(--muted); }
.btn-lg { padding: 13px 26px; font-size: 16px; }
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 14px 0; }
.inline-form { display: flex; gap: 8px; align-items: center; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; background: #e2e8f0; color: #334155; }
.s-awaiting_customer { background: #fef3c7; color: #92400e; }
.s-approved { background: #dbeafe; color: #1e40af; }
.s-accounting { background: #ede9fe; color: #5b21b6; }
.s-issued { background: #dcfce7; color: #166534; }
.s-rejected { background: #fee2e2; color: #991b1b; }

dl.meta { display: grid; grid-template-columns: 200px 1fr; gap: 6px 12px; margin: 0; }
dl.meta dt { color: var(--muted); } dl.meta dd { margin: 0; }
ul.files { list-style: none; padding: 0; } ul.files li { padding: 4px 0; }
.tag { font-size: 12px; background: #dcfce7; color: #166534; padding: 1px 8px; border-radius: 999px; margin-left: 6px; }