:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1c2330;
  --muted: #667085;
  --line: #e4e7ec;
  --accent: #1e6f4c;
  --accent-ink: #ffffff;
  --danger: #b42318;
  --warn-bg: #fff4e5;
  --warn-ink: #7a4100;
  --ok-bg: #e7f6ec;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1420;
    --panel: #161d2b;
    --ink: #e7ebf2;
    --muted: #9aa4b2;
    --line: #29323f;
    --accent: #3fae7a;
    --accent-ink: #06130d;
    --danger: #ff6b5e;
    --warn-bg: #3a2a12;
    --warn-ink: #ffce93;
    --ok-bg: #12301f;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--accent); }

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { font-size: 22px; }
.brand .title { font-weight: 700; }
.brand .subtitle { color: var(--muted); font-size: 12px; }
.nav { display: flex; gap: 6px; margin-left: 8px; }
.nav a {
  padding: 6px 10px;
  border-radius: 7px;
  text-decoration: none;
  color: var(--ink);
}
.nav a.active { background: var(--accent); color: var(--accent-ink); }
.who { margin-left: auto; display: flex; align-items: center; gap: 10px; color: var(--muted); }
.link {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
}

main { padding: 18px; max-width: 1200px; margin: 0 auto; }
.loading { color: var(--muted); padding: 40px; text-align: center; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 18px;
}
.card + .card { margin-top: 16px; }

h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 12px; }
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.muted { color: var(--muted); }
.crumb { color: var(--muted); text-decoration: none; }

button.btn, a.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button.btn.secondary, a.btn.secondary {
  background: transparent;
  color: var(--accent);
}
button.btn:disabled { opacity: 0.5; cursor: not-allowed; }

input[type="search"], input[type="text"], input[type="number"], input[type="date"], select {
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 6px 8px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar input[type="search"] { min-width: 240px; flex: 1; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: var(--bg); position: sticky; top: 0; font-weight: 600; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 6%, transparent); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.product-head td {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  font-weight: 700;
}
td .cell-input { width: 90px; }
td .cell-input.wide { width: 160px; }
tr.dirty { background: color-mix(in srgb, gold 18%, transparent); }
tr.invalid td.closing-cell { outline: 2px solid var(--danger); outline-offset: -2px; }

.rowlink { cursor: pointer; }
.pill {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 12px;
}
.pill.warn { background: var(--warn-bg); color: var(--warn-ink); border: none; }
.pill.ok { background: var(--ok-bg); }

.banner { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }
.banner.warn { background: var(--warn-bg); color: var(--warn-ink); }
.banner.ok { background: var(--ok-bg); }
.banner.err { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }

.login-wrap { display: grid; place-items: center; min-height: 60vh; }
.login-card { text-align: center; max-width: 380px; }
.login-card p { color: var(--muted); }

.progress { height: 10px; background: var(--bg); border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.progress > i { display: block; height: 100%; background: var(--accent); width: 0; transition: width 0.2s; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin: 12px 0; }
.stat { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.stat b { font-size: 18px; display: block; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  z-index: 20;
}
.sticky-actions {
  position: sticky;
  bottom: 0;
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: 12px 0 2px;
  display: flex;
  gap: 10px;
  align-items: center;
}
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; max-width: 320px; }
.field label { font-weight: 600; font-size: 13px; }
.row-actions { display: flex; gap: 8px; }