:root {
  --bg: #f6f7f9; --panel: #fff; --text: #1f2933; --muted: #6b7280; --line: #e5e7eb;
  --head: #4a86e8; --headtext: #fff; --subtotal: #d9ead3; --grand: #ffd966; --section: #ffe599;
  --neg: #b42318; --ok: #067647; --warn-bg: #fff7e6; --warn-line: #f5c26b;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.4 -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
header.top { display: flex; align-items: center; gap: 24px; padding: 10px 20px; background: #1f2933; color: #fff; }
header.top .brand { font-weight: 600; }
header.top nav a { color: #cbd5e1; text-decoration: none; margin-right: 16px; padding: 4px 0; }
header.top nav a.active, header.top nav a:hover { color: #fff; border-bottom: 2px solid var(--head); }
header.top .user { margin-left: auto; color: #cbd5e1; }
header.top .user a { color: #fff; }
main { padding: 16px 20px 40px; }
h1 { font-size: 20px; margin: 0 0 12px; }
h2 { font-size: 16px; margin: 24px 0 8px; }
section.summary { max-width: 480px; }
form.period { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 8px; }
form.period input[type=date] { padding: 4px 6px; border: 1px solid #cbd5e1; border-radius: 4px; }
form.period .presets a { margin-right: 10px; color: var(--head); }
button, .btn-link { padding: 5px 12px; border: 1px solid var(--head); background: var(--head); color: #fff; border-radius: 4px; cursor: pointer; text-decoration: none; font-size: 14px; }
.btn-link { background: #fff; color: var(--head); margin-left: auto; }
p.status { color: var(--muted); margin: 4px 0 8px; }
p.status b.ok { color: var(--ok); }
p.status b.neg, .neg { color: var(--neg); }
p.warn { background: var(--warn-bg); border: 1px solid var(--warn-line); padding: 8px 12px; border-radius: 4px; }
p.empty { color: var(--muted); font-style: italic; }
.chip { display: inline-block; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 1px 8px; margin: 2px 4px 2px 0; font-size: 13px; }
.scroll { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
table.grid { border-collapse: collapse; white-space: nowrap; font-size: 13px; }
table.grid th, table.grid td { padding: 4px 8px; border-bottom: 1px solid var(--line); border-right: 1px solid #f1f3f5; }
table.grid thead th { position: sticky; top: 0; background: var(--head); color: var(--headtext); font-weight: 600; text-align: center; white-space: normal; min-width: 90px; max-width: 130px; vertical-align: bottom; }
table.grid th.sticky, table.grid td.sticky { position: sticky; left: 0; background: var(--panel); z-index: 1; font-weight: 600; }
table.grid thead th.sticky { background: var(--head); z-index: 2; }
table.grid td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.grid td.strong { font-weight: 600; }
table.grid td.mono { font-family: ui-monospace, Menlo, monospace; font-size: 12px; color: var(--muted); }
table.grid td.text { white-space: normal; min-width: 180px; max-width: 320px; }
table.grid td.muted { color: var(--muted); }
table.grid th.sep, table.grid td.sep { width: 8px; min-width: 8px; padding: 0; background: var(--bg); border-right: none; }
table.grid tr.subtotal td { background: var(--subtotal); font-weight: 600; }
table.grid tr.grand td { background: var(--grand); font-weight: 700; }
table.grid tr.section td { background: var(--section); font-weight: 600; }
table.grid tr.noprice td.sticky { color: var(--neg); }
table.grid.narrow { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
table.kv { border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; width: 100%; }
table.kv th { text-align: left; font-weight: 500; padding: 5px 10px; border-bottom: 1px solid var(--line); }
table.kv td { text-align: right; padding: 5px 10px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
table.kv tr.total th, table.kv tr.total td { font-weight: 700; background: var(--grand); }
details summary { cursor: pointer; color: var(--head); margin-bottom: 8px; }
.login { max-width: 320px; margin: 60px auto; background: var(--panel); padding: 24px; border: 1px solid var(--line); border-radius: 8px; }
.login label { display: block; margin-bottom: 12px; }
.login input { display: block; width: 100%; padding: 6px 8px; margin-top: 4px; border: 1px solid #cbd5e1; border-radius: 4px; }
.login .error { color: var(--neg); }
@media (max-width: 600px) { main { padding: 12px; } header.top { gap: 12px; padding: 8px 12px; } }