:root { --bg:#f6f7f9; --fg:#1d2330; --muted:#667085; --line:#d9dde3; --card:#fff; --accent:#4b3fbf; --danger:#b42318; --ok:#067647; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--fg); }
a { color: var(--accent); }
.topbar { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between; padding: 10px 16px; background: #1d2330; }
.topbar a, .topbar button.link { color: #fff; text-decoration: none; margin-right: 14px; }
.brand { font-weight: 700; }
.container { max-width: 1100px; margin: 0 auto; padding: 16px; }
.page-head { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
h1 { font-size: 22px; margin: 4px 0; }
h2 { font-size: 16px; margin: 0 0 8px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.actions form, form.inline { display: inline; margin: 0; }
button, .btn { font: inherit; padding: 7px 12px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--fg); cursor: pointer; text-decoration: none; display: inline-block; }
.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.danger { color: var(--danger); }
button.link { border: none; background: none; padding: 0; color: var(--accent); }
input, select, textarea { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; width: 100%; background: #fff; color: var(--fg); }
input[type=checkbox] { width: auto; }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
label input, label select, label textarea { margin-top: 3px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin-bottom: 14px; }
.table-wrap { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; background: #fff; }
table.list th, table.list td { padding: 8px; border-bottom: 1px solid var(--line); text-align: left; }
.num { text-align: right; white-space: nowrap; }
.empty { color: var(--muted); text-align: center; }
.badge { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: #eef0f3; color: var(--fg); vertical-align: middle; }
.badge-paid, .badge-accepted { background: #dcfae6; color: var(--ok); }
.badge-overdue, .badge-cancelled, .badge-declined { background: #fee4e2; color: var(--danger); }
.badge-partially-paid { background: #fef0c7; color: #93370d; }
.flash { padding: 10px 12px; border-radius: 6px; margin-bottom: 12px; background: #dcfae6; }
.flash-error, .errors { background: #fee4e2; color: var(--danger); padding: 10px 12px; border-radius: 6px; margin-bottom: 12px; }
.errors ul { margin: 0; padding-left: 18px; }
table.lines { width: 100%; border-collapse: collapse; min-width: 720px; }
table.lines th, table.lines td { padding: 4px; text-align: left; font-size: 13px; }
table.totals { margin-left: auto; min-width: 260px; }
table.totals td { padding: 4px 8px; }
table.totals td:last-child { text-align: right; }
table.totals .grand td { font-weight: 700; border-top: 1px solid var(--line); }
.view-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; }
.paper { background: #fff; padding: 16px; overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat .v { font-size: 22px; font-weight: 700; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.filters select { width: auto; }
.login { max-width: 340px; margin: 80px auto; }
.stack > * { margin-bottom: 8px; }
@media (max-width: 800px) { .view-grid { grid-template-columns: 1fr; } }