:root {
  --bg: #f2f0ec;
  --card: #ffffff;
  --ink: #23231f;
  --muted: #77756c;
  --line: #dedad2;
  --accent: #b4551d;
  --accent-ink: #8a3f12;
  --ok: #2e6b3f;
  --err: #a32d2d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
main { max-width: 1080px; margin: 24px auto 64px; padding: 0 16px; }
h1 { font-size: 24px; font-weight: 600; margin: 8px 0 16px; }
h2 { font-size: 17px; font-weight: 600; margin: 0 0 10px; }
a { color: var(--accent-ink); }
.muted { color: var(--muted); }
.ok { color: var(--ok); }
.error { color: var(--err); margin: 4px 0; }
.warn { color: var(--accent); margin-left: 6px; cursor: help; }
.strong { font-weight: 600; }

.topbar {
  display: flex; align-items: center; gap: 20px;
  background: var(--card); border-bottom: 1px solid var(--line);
  padding: 0 20px; height: 52px; flex-wrap: wrap;
}
.brand { font-weight: 700; text-decoration: none; color: var(--accent-ink); letter-spacing: .02em; }
.topbar nav { display: flex; gap: 2px; flex-wrap: wrap; }
.topbar nav a {
  text-decoration: none; color: var(--ink); padding: 6px 10px; border-radius: 7px; font-size: 14px;
}
.topbar nav a:hover { background: var(--bg); }
.topbar nav a.on { background: var(--ink); color: #fff; }
.logout { margin-left: auto; }
.logout button { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 13px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px; margin-bottom: 18px;
}

input[type="text"], input[type="password"], input[type="date"], select, textarea {
  width: 100%; padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px;
  font: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }

button, .btn {
  font: inherit; padding: 7px 14px; border-radius: 7px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); cursor: pointer; text-decoration: none; display: inline-block;
}
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; }
button.primary:hover { background: var(--accent-ink); }
.danger-link { border: none; background: none; color: var(--err); padding: 0; font-size: 13px; }

.form-grid { display: grid; grid-template-columns: 220px 1fr; gap: 10px 14px; align-items: start; }
.form-grid label { padding-top: 8px; font-size: 14px; color: var(--muted); }

.inline-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; }
.inline-form .fld { display: flex; flex-direction: column; gap: 4px; min-width: 140px; flex: 1; }
.inline-form .fld label { font-size: 13px; color: var(--muted); }

.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 13px; color: var(--muted); font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr:last-child td { border-bottom: none; }
.tbl .num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl .actions { white-space: nowrap; text-align: right; font-size: 13px; }
.tbl .actions form { display: inline; margin-left: 10px; }
.tbl.plain td { border-bottom: none; padding: 4px 6px; }
.tbl tr.sub td { color: var(--muted); font-size: 13px; padding-left: 20px; }
.tbl tr.sep td { padding-top: 10px; }
.tbl tr.total td { border-top: 2px solid var(--ink); font-weight: 700; font-size: 16px; padding-top: 10px; }

.page-head { display: flex; align-items: center; justify-content: space-between; }
.two-col { display: grid; grid-template-columns: 1fr 380px; gap: 18px; align-items: start; }
.cost-panel { position: sticky; top: 16px; }

.check-list { display: flex; flex-direction: column; gap: 6px; }
.check-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.check-row .qty { width: 70px; text-align: right; }

.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 32px; width: 320px; display: flex; flex-direction: column; gap: 12px; text-align: center;
}
.login-card h1 { margin: 0; }
.login-card p { margin: 0; }

@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid label { padding-top: 0; margin-bottom: -6px; }
  .cost-panel { position: static; }
}