:root {
  color-scheme: light;
  --ink: #1f2328;
  --muted: #6b7280;
  --line: #d9dee6;
  --soft: #f5f7fa;
  --brand: #175c62;
  --brand-dark: #0f3f44;
  --warn: #a34108;
  --good: #146c43;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--ink); background: #fff; }
a { color: var(--brand); text-decoration: none; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 14px 28px; border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; }
.brand { display: inline-flex; align-items: center; color: var(--ink); }
.brand img { display: block; width: 132px; height: 42px; object-fit: contain; }
nav { display: flex; gap: 18px; font-size: 14px; }
.page { max-width: 1180px; margin: 0 auto; padding: 28px; }
.hero, .page-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
h1 { margin: 0 0 6px; font-size: 30px; }
h2 { margin-top: 28px; font-size: 20px; }
h3 { margin: 18px 0 4px; }
p { color: var(--muted); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.button, button { border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 6px; padding: 10px 14px; cursor: pointer; font-weight: 600; }
.primary, button.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.danger, button.danger { border-color: #f1b8b8; color: #9f1d1d; background: #fff5f5; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 20px 0 28px; }
.metrics div { border: 1px solid var(--line); border-radius: 6px; padding: 16px; background: var(--soft); color: var(--muted); }
.metrics span { display: block; color: var(--ink); font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.bank-accounts { margin: 18px 0 28px; }
.account-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.account-card { display: block; border: 1px solid var(--line); border-radius: 6px; padding: 14px; background: #fff; color: var(--ink); }
.account-card:hover { border-color: var(--brand); box-shadow: 0 8px 22px rgba(31,35,40,.08); }
.account-card div:first-child { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); }
.account-card strong { color: var(--ink); }
.account-balance { margin-top: 12px; font-size: 24px; font-weight: 700; text-align: right; }
.account-card p { margin: 8px 0 0; font-size: 13px; text-transform: capitalize; }
.account-totals { grid-template-columns: repeat(3, 1fr); }
.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr); gap: 26px; align-items: start; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--soft); font-weight: 700; }
.right { text-align: right; }
.status { display: inline-block; border-radius: 999px; padding: 4px 8px; background: #e8eef3; font-size: 12px; text-transform: capitalize; }
.status.paid { background: #dcf4e6; color: var(--good); }
.status.overdue { background: #fff1dd; color: var(--warn); }
.status.cancelled { background: #eee; color: #555; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 12px 0 26px; }
label { display: grid; gap: 6px; font-weight: 700; font-size: 13px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 10px; font: inherit; }
.wide { grid-column: 1 / -1; }
.line-items-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.line-items-head h2 { margin: 0; }
.line-items { display: grid; gap: 10px; }
.line-row { display: grid; grid-template-columns: minmax(150px, 1.1fr) minmax(150px, 1fr) minmax(280px, 2.2fr) 80px 110px 82px; gap: 8px; align-items: start; }
.line-row textarea { min-height: 58px; resize: vertical; }
.icon-button { border: 1px solid var(--line); background: #fff; color: var(--muted); border-radius: 6px; padding: 10px 8px; font-size: 12px; }
.stack { display: grid; gap: 8px; margin-top: 14px; }
.inline-form { display: inline; }
.inline-form button { padding: 7px 10px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.filters input { max-width: 160px; }
.muted { color: var(--muted); }
.report { max-width: 760px; }
.report th { background: #eef3f3; }
.total td { font-weight: 700; }
.net td { font-size: 18px; font-weight: 700; border-top: 2px solid var(--ink); }
.flash-wrap { margin-bottom: 18px; }
.flash { padding: 10px 12px; border-radius: 6px; background: #eef3f3; margin-bottom: 8px; }
.flash.error { background: #fee2e2; }
.flash.success { background: #dcf4e6; }
.owner-help { border: 1px solid var(--line); background: var(--soft); border-radius: 6px; padding: 12px; }
.owner-help p { margin: 4px 0; }
.entry-row td { color: var(--muted); font-size: 13px; background: #fafafa; }
.login-page { min-height: 100vh; display: grid; place-items: center; background: var(--soft); }
.login-card { width: min(380px, calc(100vw - 32px)); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px; display: grid; gap: 14px; box-shadow: 0 12px 32px rgba(31,35,40,.08); }
.login-card h1 { font-size: 26px; }
@media (max-width: 760px) {
  .topbar, .hero, .page-head { align-items: flex-start; flex-direction: column; }
  nav { flex-wrap: wrap; }
  .metrics, .account-grid, .split, .form-grid { grid-template-columns: 1fr; }
  .line-row { grid-template-columns: 1fr; }
}