:root { --accent: #0b4f57; --ink: #1b2328; --muted: #55626a; --line: #dfe5e8; --bg: #f4f6f7; --good: #136c3a; --warn: #9a4a06; --bad: #a32020; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 -apple-system, "Segoe UI", "Helvetica Neue", Helvetica, sans-serif; }
a { color: var(--accent); }
h1 { font-size: 24px; margin: 0; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 16px; margin: 0 0 12px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 460px; margin: 0 auto; }
main.wrap { padding-bottom: 48px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.topbar { background: #fff; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; }
.brand img { height: 34px; width: auto; }
nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
nav a { padding: 8px 12px; border-radius: 8px; text-decoration: none; color: var(--ink); }
nav a.on, nav a:hover { background: var(--bg); color: var(--accent); }
form.inline { display: inline; margin: 0; }

.pagehead { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 8px 0 18px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(0.92); }
.btn.ghost { background: #fff; color: var(--accent); }
.btn.good { background: var(--good); border-color: var(--good); }
.btn.small { min-height: 36px; padding: 0 12px; font-size: 14px; }
.linkbtn { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 8px 12px; text-decoration: underline; min-height: 44px; }

.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.form label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 12px; }
.form label.check { display: flex; gap: 8px; align-items: center; font-weight: 500; color: var(--ink); }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; min-height: 44px; border: 1px solid #c3cdd2; border-radius: 8px; font: inherit; color: var(--ink); background: #fff; }
input[type=checkbox] { width: auto; min-height: 0; display: inline; margin: 0; }
input[type=color] { padding: 4px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea.mono { font-family: Consolas, monospace; font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; margin: 4px 0 12px; }
.grid2, .grid3 { display: grid; gap: 0 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.actions-bar { display: flex; justify-content: flex-end; }

.flash { padding: 12px 16px; border-radius: 8px; margin: 0 0 14px; border: 1px solid; }
.flash.ok { background: #e9f6ee; border-color: #b8dfc7; color: var(--good); }
.flash.error { background: #fdecec; border-color: #f2c2c2; color: var(--bad); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.stat .k { color: var(--muted); font-size: 13px; font-weight: 600; }
.stat .v { font-size: 22px; font-weight: 700; }
.stat .v.good { color: var(--good); } .stat .v.warn { color: var(--warn); }
.stat .s { color: var(--muted); font-size: 13px; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filters input { flex: 1 1 260px; margin: 0; }
.filters select { flex: 0 0 140px; margin: 0; }
.tablebox { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px; }
table.list { width: 100%; border-collapse: collapse; min-width: 760px; }
table.list th { text-align: left; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); padding: 12px; border-bottom: 1px solid var(--line); }
table.list td { padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list tr:last-child td { border-bottom: 0; }
.num { text-align: right; white-space: nowrap; }
.sub { color: var(--muted); font-size: 13px; }
.late { color: var(--warn); font-weight: 600; }
.empty { text-align: center; color: var(--muted); padding: 32px !important; }
.rowacts { white-space: nowrap; text-align: right; }
.rowacts a { margin-left: 10px; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pill.paid { background: #e3f3ea; color: var(--good); }
.pill.unpaid { background: #fdeee0; color: var(--warn); }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs a { padding: 8px 14px; border-radius: 8px; text-decoration: none; background: #fff; border: 1px solid var(--line); color: var(--ink); }
.tabs a.on { background: var(--accent); color: #fff; border-color: var(--accent); }

table.items-edit { width: 100%; border-collapse: collapse; min-width: 720px; }
table.items-edit th { text-align: left; font-size: 12px; color: var(--muted); padding: 8px; }
table.items-edit td { padding: 4px; vertical-align: middle; }
table.items-edit input { margin: 0; }
table.items-edit td.amount { padding-right: 10px; font-weight: 600; }
table.items-edit th:nth-child(3), table.items-edit td:nth-child(3) { width: 90px; }
table.items-edit th:nth-child(4), table.items-edit td:nth-child(4) { width: 130px; }
table.items-edit th:nth-child(5), table.items-edit td:nth-child(5) { width: 120px; }
input.num { text-align: right; }
.totals-edit { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0 16px; margin-top: 16px; align-items: start; }
.totals-edit dl { margin: 0; display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; grid-column: span 2; }
.totals-edit dt { color: var(--muted); }
.totals-edit dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.totals-edit .big { font-size: 18px; font-weight: 700; color: var(--ink); }

.viewgrid { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; }
.paper { flex: 999 1 640px; min-width: 0; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 40px; overflow-x: auto; }
.paper .inv { font-size: 13px; min-width: 600px; }
.side { flex: 1 1 320px; min-width: 0; }
ul.plain { list-style: none; margin: 8px 0 0; padding: 0; }
ul.plain li { padding: 8px 0; border-top: 1px solid var(--line); }
ul.plain li:first-child { border-top: 0; }

.uploadrow { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.preview { width: 120px; height: 90px; border: 1px dashed #b7c2c8; border-radius: 8px; display: flex; align-items: center; justify-content: center; background: #fafbfb; }
.preview.sig { width: 220px; }
.preview img { max-width: 100%; max-height: 100%; }
.login-brand { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-bottom: 12px; text-align: center; }
.login-brand img { max-height: 64px; }
.login-brand h1 { font-size: 20px; justify-content: center; }