:root {
  color-scheme: light;
  /* Plantecs brand palette */
  --brand-navy: #1A237E;
  --brand-navy-deep: #1A1E46;
  --brand-blue: #2962FF;
  --brand-cyan: #84FFFF;
  --brand-indigo-light: #C5CAE9;

  --bg: #fafafa;
  --surface: #ffffff;
  --border: #e3e5f0;
  --text: #1A1E46;
  --muted: #646a8a;
  --accent: var(--brand-blue);
  --accent-soft: #E8EAF6;
  --ok: #15803d;
  --ok-soft: #e7f6ec;
  --warn: #b45309;
  --warn-soft: #fdf2e2;
  --bad: #b91c1c;
  --bad-soft: #fde8e8;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(26, 30, 70, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #11132b;
    --surface: #1a1d3a;
    --border: #2d3260;
    --text: #e8eaf6;
    --muted: #9ea4c8;
    --accent: #82a4ff;
    --accent-soft: #252b5c;
    --ok: #4ade80;
    --ok-soft: #173024;
    --warn: #fbbf24;
    --warn-soft: #33281a;
    --bad: #f87171;
    --bad-soft: #3a1d1f;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 24px;
  background: linear-gradient(90deg, var(--brand-navy-deep), var(--brand-navy));
  border-bottom: 3px solid var(--brand-blue);
  color: #fff;
}
.brand { display: flex; align-items: center; gap: 14px; color: #fff; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 22px; width: auto; display: block; }
.brand-divider { width: 1px; height: 22px; background: rgba(255, 255, 255, .35); }
.brand-name { font-weight: 600; font-size: 15px; letter-spacing: .02em; color: var(--brand-cyan); }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a {
  padding: 6px 12px; border-radius: 8px; color: var(--brand-indigo-light); font-weight: 500;
}
nav a:hover { background: rgba(255, 255, 255, .08); text-decoration: none; color: #fff; }
nav a.active { background: rgba(132, 255, 255, .12); color: var(--brand-cyan); }
nav a.nav-cta { background: var(--brand-blue); color: #fff; }
nav a.nav-cta.active, nav a.nav-cta:hover { background: var(--brand-blue); color: #fff; filter: brightness(1.12); }

main { max-width: 1200px; margin: 0 auto; padding: 24px; }
nav .nav-logout {
  margin-left: 8px; padding: 6px 12px; border-radius: 8px; cursor: pointer;
  background: transparent; border: 1px solid rgba(255, 255, 255, .25); color: var(--brand-indigo-light);
}
nav .nav-logout:hover { color: #fff; border-color: rgba(255, 255, 255, .5); }

/* ---------- login ---------- */
body.locked .topbar { display: none; }
body.locked { background: linear-gradient(160deg, var(--brand-navy-deep), var(--brand-navy)); min-height: 100vh; }
.login { min-height: calc(100vh - 48px); display: flex; align-items: center; justify-content: center; }
.login-card { width: 100%; max-width: 380px; overflow: hidden; box-shadow: 0 20px 50px rgba(0, 0, 0, .35); }
.login-brand {
  display: flex; align-items: center; justify-content: center; gap: 14px; padding: 22px;
  background: var(--brand-navy-deep); border-bottom: 3px solid var(--brand-blue);
}
.login-brand img { height: 26px; }
.login-brand span { color: var(--brand-cyan); font-weight: 600; font-size: 17px; letter-spacing: .02em; }
.login-card .card-body { display: grid; gap: 14px; padding: 24px; }
.login-card h1 { margin: 0; font-size: 18px; }
.login-card .alert { margin: 0; }
.login-card .btn { justify-content: center; padding: 9px 14px; }

/* ---------- page header ---------- */
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.page-head h1 { margin: 0; font-size: 22px; }
.page-head p { margin: 2px 0 0; color: var(--muted); }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---------- stat tiles ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 16px; box-shadow: var(--shadow);
}
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- cards & tables ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 16px; }
.card-body { padding: 16px 20px; }
.card h2 { font-size: 15px; margin: 0 0 12px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th {
  font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em;
  background: var(--bg); position: sticky; top: 0;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--accent-soft); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 13px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.empty { padding: 32px; text-align: center; color: var(--muted); }

/* ---------- Bestell-Nr. ---------- */
.code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 13px; white-space: nowrap; color: var(--muted); }
.code .seg { color: var(--text); border-bottom: 1px dotted var(--muted); cursor: help; }
.code .seg:first-child { font-weight: 700; }
table.decode { width: auto; border: 1px solid var(--border); border-radius: 8px; border-collapse: separate; border-spacing: 0; overflow: hidden; }
table.decode th { position: static; }
table.decode td { border-bottom: none; border-right: 1px solid var(--border); min-width: 150px; }
table.decode td:last-child { border-right: none; }
table.decode td .mono { font-size: 16px; font-weight: 700; }
.decode-full { margin: 10px 0 4px; font-size: 15px; }

/* ---------- badges ---------- */
.badge {
  display: inline-block; min-width: 36px; padding: 2px 8px; border-radius: 999px;
  font-weight: 600; font-size: 12px; text-align: center; font-variant-numeric: tabular-nums;
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.low { background: var(--warn-soft); color: var(--warn); }
.badge.out { background: var(--bad-soft); color: var(--bad); }
.chip {
  display: inline-block; padding: 1px 7px; margin: 1px 2px 1px 0; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--border); font-size: 12px; color: var(--muted);
}

/* ---------- forms ---------- */
input, select, textarea, button { font: inherit; color: inherit; }
input[type=text], input[type=search], input[type=email], input[type=number], input[type=password], select, textarea {
  width: 100%; padding: 7px 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
textarea { resize: vertical; min-height: 70px; }
input.search { width: 260px; }

label.field { display: block; }
label.field > span { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.grid { display: grid; gap: 12px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: 1 / -1; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); cursor: pointer; font-weight: 500; white-space: nowrap;
}
.btn:hover { background: var(--bg); text-decoration: none; }
.btn.primary { background: var(--brand-blue); border-color: var(--brand-blue); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--bad); background: var(--bad-soft); }
.btn.small { padding: 3px 9px; font-size: 12px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.segmented button { border: none; background: var(--surface); padding: 6px 14px; cursor: pointer; color: var(--muted); }
.segmented button.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.check { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); cursor: pointer; }

.stock-edit { display: inline-flex; gap: 4px; align-items: center; justify-content: flex-end; }
.stock-edit input { width: 70px; padding: 3px 6px; text-align: right; }

/* ---------- order form ---------- */
.order-layout { display: grid; grid-template-columns: 1fr 300px; gap: 16px; align-items: start; }
.summary { position: sticky; top: 76px; }
.summary dl { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; margin: 0 0 16px; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.summary .btn { width: 100%; justify-content: center; }
.customer-preview { margin-top: 10px; padding: 10px 12px; border-radius: 8px; background: var(--bg); font-size: 13px; }

.lines { width: 100%; }
.lines td { border-bottom: none; padding: 6px 6px; vertical-align: top; }
.lines th { padding: 6px; background: transparent; position: static; }
.lines td.code-col { width: 170px; }
.lines td.note-col { width: 170px; }
.code-hint { margin-top: 3px; }
.lines td.qty { width: 90px; }
.lines td.avail { width: 90px; padding-top: 12px; }
.lines td.del { width: 40px; }
.line-error { color: var(--bad); font-size: 12px; margin-top: 3px; }

/* product picker */
.picker { position: relative; }
.picker-list {
  position: absolute; z-index: 20; left: 0; right: 0; top: calc(100% + 4px);
  max-height: 320px; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 8px 24px rgba(16, 24, 40, .15);
}
.picker-item { padding: 7px 10px; cursor: pointer; display: flex; justify-content: space-between; gap: 10px; }
.picker-item.hl { background: var(--accent-soft); }
.picker-item.disabled { opacity: .5; }
.picker-item .pname { font-weight: 500; }
.picker-item .mono { white-space: nowrap; }
.picker-none { padding: 10px; color: var(--muted); }
.picked-meta { font-size: 12px; color: var(--muted); margin-top: 3px; }

.alert { padding: 10px 14px; border-radius: 8px; background: var(--bad-soft); color: var(--bad); margin-bottom: 12px; }

/* ---------- order detail ---------- */
.meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.meta .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.notes-box { white-space: pre-wrap; }

/* ---------- sales score (per line, %) ---------- */
.pct { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); }
.pct input { width: 52px; padding: 4px 6px; text-align: right; font-variant-numeric: tabular-nums; }
.lines td.score-col { width: 80px; padding-top: 8px; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  padding: 10px 18px; border-radius: 8px; background: var(--text); color: var(--bg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2); font-weight: 500; z-index: 50;
}

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .4); z-index: 40;
  display: flex; align-items: flex-start; justify-content: center; padding: 60px 16px; overflow-y: auto;
}
.modal { width: 100%; max-width: 640px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

@media (max-width: 860px) {
  .order-layout { grid-template-columns: 1fr; }
  .summary { position: static; }
  .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  main { padding: 16px; }
  .topbar { padding: 10px 16px; flex-wrap: wrap; }
  input.search { width: 100%; }
}

@media print {
  .topbar, .toolbar, .toast { display: none !important; }
  body { background: #fff; }
}