:root {
  color-scheme: light;
  --border: #e2e2e2;
  --muted: #666;
  --bg-soft: #f6f7f8;
  --brand: #1a56db;
  --danger: #b91c1c;
  --danger-bg: #fde2e2;
  --ok: #14532d;
  --ok-bg: #d7f5dd;
  --warn: #78350f;
  --warn-bg: #fef3c7;
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  color: #1a1a1a;
  background: #fff;
}
a { color: var(--brand); }
.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
.topbar { border-bottom: 1px solid var(--border); background: var(--bg-soft); }
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 0.75rem 1rem;
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.topbar .brand { font-weight: 700; text-decoration: none; color: #111; }
.topbar nav { display: flex; gap: 1rem; flex-wrap: wrap; flex: 1; }
.topbar nav a { text-decoration: none; color: #333; font-size: 0.92rem; }
.topbar nav a:hover { color: var(--brand); }
.logout-form { display: flex; align-items: center; gap: 0.6rem; }
.link-button { background: none; border: none; color: var(--brand); cursor: pointer; padding: 0; font-size: 0.9rem; }

h1 { font-size: 1.5rem; margin: 0 0 0.25rem; }
h2 { font-size: 1.15rem; margin: 1.75rem 0 0.75rem; }
.muted { color: var(--muted); font-size: 0.9rem; }
.page-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }

table { border-collapse: collapse; width: 100%; font-size: 0.92rem; margin-bottom: 1rem; }
th, td { border-bottom: 1px solid var(--border); padding: 0.55rem 0.6rem; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.02em; }
tr:hover td { background: var(--bg-soft); }
td.num, th.num { text-align: right; }

.btn {
  display: inline-block; padding: 0.5rem 1rem; border-radius: 6px; border: 1px solid var(--brand);
  background: var(--brand); color: #fff; text-decoration: none; font-size: 0.92rem; cursor: pointer;
}
.btn.secondary { background: #fff; color: var(--brand); }
.btn.danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 1rem 0; }

form.stacked label { display: block; font-size: 0.85rem; color: var(--muted); margin: 0.9rem 0 0.25rem; }
form.stacked input[type=text], form.stacked input[type=email], form.stacked input[type=password],
form.stacked input[type=number], form.stacked input[type=date], form.stacked input[type=file],
form.stacked select, form.stacked textarea {
  width: 100%; padding: 0.5rem 0.6rem; border: 1px solid var(--border); border-radius: 6px; font-size: 0.95rem;
  font-family: inherit;
}
form.stacked textarea { min-height: 5rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }

.pill { display: inline-block; padding: 0.15rem 0.6rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--danger-bg); color: var(--danger); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.neutral { background: var(--bg-soft); color: var(--muted); }

.flash { padding: 0.7rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.92rem; }
.flash.info { background: var(--bg-soft); }
.flash.success { background: var(--ok-bg); color: var(--ok); }
.flash.error { background: var(--danger-bg); color: var(--danger); }

.card { border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; margin-bottom: 1.25rem; }
.login-wrap { max-width: 360px; margin: 4rem auto; }

.line-items-table input, .line-items-table select { width: 100%; padding: 0.35rem 0.4rem; font-size: 0.9rem; }
.line-items-table td { padding: 0.35rem; }
.remove-row { color: var(--danger); cursor: pointer; background: none; border: none; font-size: 1rem; }
.totals-box { max-width: 320px; margin-left: auto; }
.totals-box div { display: flex; justify-content: space-between; padding: 0.25rem 0; }
.totals-box .grand { font-weight: 700; border-top: 1px solid var(--border); margin-top: 0.4rem; padding-top: 0.5rem; }

.log-entry { font-family: ui-monospace, monospace; font-size: 0.85rem; padding: 0.2rem 0; border-bottom: 1px solid var(--border); }
.log-entry.error { color: var(--danger); }
.error-list { color: var(--danger); font-size: 0.85rem; margin: 0.2rem 0 0; padding-left: 1.1rem; }