:root {
  --navy: #1d3b5a; --orange: #e07b00; --bg: #f4f6f8; --card: #fff; --line: #e3e7eb; --text: #1f2933; --muted: #6b7785;
  --ok: #1f8a4c; --err: #c0392b; --warn: #b9770e;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--navy); }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 10px; }
main { max-width: 1280px; margin: 0 auto; padding: 24px 20px 60px; }
.muted { color: var(--muted); } .small { font-size: 12px; } .r { text-align: right; } .nowrap { white-space: nowrap; } .mt { margin-top: 10px; }

header.top { background: var(--navy); color: #fff; display: flex; align-items: center; gap: 24px; padding: 0 20px; flex-wrap: wrap; }
header.top a { color: #fff; text-decoration: none; }
.brand { font-weight: 800; font-size: 17px; letter-spacing: .3px; padding: 14px 0; }
.brand span { color: var(--orange); } .brand small { font-weight: 400; opacity: .7; font-size: 12px; margin-left: 4px; }
.brand.big { font-size: 28px; color: var(--navy); text-align: center; }
header nav { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
header nav a { padding: 16px 12px; opacity: .8; border-bottom: 3px solid transparent; }
header nav a:hover { opacity: 1; } header nav a.on { opacity: 1; border-bottom-color: var(--orange); }
header .user { font-size: 12px; opacity: .85; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; margin-bottom: 18px; }
.card.hl { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(224,123,0,.08); }
.head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.head h1, .head h2 { margin: 0; }

.btn { display: inline-block; border: 1px solid #c9d1d9; background: #fff; color: var(--text); padding: 7px 13px; border-radius: 6px; cursor: pointer; font: inherit; text-decoration: none; line-height: 1.3; }
.btn:hover { border-color: var(--navy); }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: #142b43; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--err); }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.btn.block { display: block; width: 100%; margin-top: 6px; }

label { display: block; margin-bottom: 10px; font-size: 12px; color: var(--muted); font-weight: 600; }
label.inline, label.check { display: inline-flex; gap: 6px; align-items: center; font-weight: 400; color: var(--text); font-size: 13px; }
label.check { display: flex; margin: 8px 0 12px; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 7px 9px; border: 1px solid #cdd4db; border-radius: 6px; font: inherit; color: var(--text); background: #fff; }
input[type=checkbox] { display: inline; width: auto; margin: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(29,59,90,.25); border-color: var(--navy); }
textarea { font-family: inherit; resize: vertical; }
fieldset { border: 0; padding: 0; margin: 0 0 10px; min-width: 0; }
legend { font-weight: 700; color: var(--navy); margin-bottom: 10px; font-size: 14px; }
.row { display: flex; gap: 10px; align-items: flex-end; } .row > label { flex: 1; } .row .grow { flex: 2; } .row.wrap { flex-wrap: wrap; } .row.wrap input { width: auto; flex: 1; min-width: 150px; }
.row.between { justify-content: space-between; align-items: flex-start; flex-wrap: wrap; margin: 10px 0 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 28px; }
.grid2.tight { margin-bottom: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px 18px; }
.full { grid-column: 1 / -1; }
.grid-main { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; align-items: start; }
.actions { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
fieldset.settings { border-top: 1px solid var(--line); padding-top: 14px; }
fieldset.settings:first-of-type { border-top: 0; padding-top: 0; }

table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); padding: 8px; border-bottom: 1px solid var(--line); font-weight: 600; }
table.list th.r { text-align: right; }
table.list td { padding: 8px; border-bottom: 1px solid #f0f2f4; vertical-align: top; }
table.list tr:hover td { background: #fafbfc; }
table.list tr.sum td { border: 0; padding: 4px 8px; }
table.list tr.grand td { font-weight: 700; border-top: 2px solid var(--navy); }
table.list tr.inactive td { opacity: .55; }
table.list tr.current td { background: #fff8ef; }
table.list.edit td { padding: 4px; } table.list.edit input { margin: 0; }
table.lines .w8 { width: 90px; } table.lines .w10 { width: 120px; }
th.w { width: 28px; }
input.xs { width: 70px; }
table.meta td { padding: 2px 10px 2px 0; } table.meta td:first-child { color: var(--muted); }

.badge, .tbadge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 20px; background: #eef1f4; color: #4a5560; white-space: nowrap; font-weight: 600; }
.badge.ready { background: #fff1de; color: #9a5300; }
.badge.sent { background: #e5effa; color: #1d4f88; }
.badge.paid { background: #e3f4ea; color: var(--ok); }
.badge.overdue { background: #fbe5e2; color: var(--err); }
.badge.converted, .badge.cancelled { background: #eee; color: #888; }
.tbadge.proforma { background: #f3eafc; color: #6b3fa0; }
.tbadge.credit { background: #fbe5e2; color: var(--err); }
.tbadge.invoice { background: transparent; padding-left: 0; color: var(--text); font-weight: 400; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; background: #e3f4ea; color: #15603a; border: 1px solid #bfe3cd; }
.flash.err { background: #fbe5e2; color: #8e2a1f; border-color: #f3c2bb; }
.flash.warn { background: #fff4e0; color: #7d4e0a; border-color: #f2d9a9; }
.err-text { color: var(--err); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; text-decoration: none; color: var(--text); }
.stat b { display: block; font-size: 22px; color: var(--navy); }
.stat span { font-size: 12px; color: var(--muted); }
.stat.warn b { color: var(--err); }
.stat:hover { border-color: var(--navy); }

.filters { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.filters input, .filters select { width: auto; margin: 0; }
.filters input[name=q] { min-width: 240px; }
.filters.inline { margin: 0; }
.bulk { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.helper { margin-left: 10px; display: inline-flex; gap: 6px; align-items: center; }
.helper select { width: auto; margin: 0; padding: 4px 6px; font-size: 12px; }
.totals { text-align: right; font-size: 13px; line-height: 1.7; }
.totals b { font-size: 15px; }
pre.code { background: #f1f3f5; padding: 10px 12px; border-radius: 6px; overflow-x: auto; font-size: 12px; }
ul.plain { padding-left: 18px; }

.login { max-width: 380px; margin: 70px auto; }
.login .muted { text-align: center; margin-top: 0; }

@media (max-width: 900px) {
  .grid2, .grid3, .grid-main { grid-template-columns: 1fr; }
  table.list { display: block; overflow-x: auto; }
  header nav a { padding: 10px 8px; }
}