/* ===========================================================
   Design tokens — vocabulaire visuel inspiré des bordereaux
   d'expédition et registres d'inventaire (refs techniques en
   mono, statuts en "tampons", accent bleu acier logistique).
   =========================================================== */
:root {
  --ink: #1e2328;
  --ink-soft: #4a5158;
  --muted: #7a8188;
  --paper: #f6f4ef;
  --surface: #ffffff;
  --line: #dcd6c9;
  --line-strong: #b9b2a1;

  --accent: #2b5797;
  --accent-ink: #eaf0f8;
  --accent-strong: #1d3d6e;

  --ok: #3f7d4f;
  --ok-ink: #e9f3ec;
  --warn: #a8551f;
  --warn-ink: #faf0e6;
  --danger: #a13d3d;
  --danger-ink: #faeaea;
  --wait: #7a6a9e;
  --wait-ink: #f0edf6;

  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;

  --radius: 3px;
  --shadow-card: 0 1px 2px rgba(30, 35, 40, 0.06), 0 1px 1px rgba(30, 35, 40, 0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.45;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

a { color: var(--accent); }

button {
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}

#app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--ink);
  color: #d7d9db;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
}

.sidebar .brand {
  padding: 0 20px 18px;
  border-bottom: 1px solid #33383e;
  margin-bottom: 8px;
}
.sidebar .brand .eyebrow { text-transform: uppercase; letter-spacing: 0.09em; font-size: 10.5px; color: #8b9198; }
.sidebar .brand .title { font-size: 16px; font-weight: 600; color: #fff; margin-top: 2px; }
.sidebar nav { display: flex; flex-direction: column; gap: 1px; flex: 1; }
.sidebar nav a { color: #b7bcc1; text-decoration: none; padding: 9px 20px; font-size: 13.5px; border-left: 2px solid transparent; }
.sidebar nav a:hover { background: #262b31; color: #fff; }
.sidebar nav a.active { background: #262b31; color: #fff; border-left-color: var(--accent); font-weight: 600; }
.sidebar nav .section-label { text-transform: uppercase; letter-spacing: 0.08em; font-size: 10px; color: #6d7278; padding: 14px 20px 4px; }
.sidebar .user-box { padding: 12px 20px 0; border-top: 1px solid #33383e; margin-top: 8px; font-size: 12.5px; color: #9aa0a6; }
.sidebar .user-box .nom { color: #fff; font-weight: 600; display: block; }
.sidebar .logout-btn { background: none; border: none; color: #9aa0a6; padding: 6px 0 0; font-size: 12px; text-decoration: underline; }
main { padding: 28px 36px 60px; }
.view-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }
.view-header .eyebrow { text-transform: uppercase; letter-spacing: 0.09em; font-size: 11px; color: var(--muted); margin: 0 0 3px; }
.view-header h1 { font-size: 21px; margin: 0; font-weight: 650; letter-spacing: -0.01em; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-card); padding: 18px 20px; margin-bottom: 18px; }
.card h2 { font-size: 14.5px; margin: 0 0 14px; font-weight: 650; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); border-bottom: 1px solid var(--line-strong); padding: 7px 10px; white-space: nowrap; }
table.data td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.data tbody tr:hover { background: #fbfaf7; }
.ref-code { font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); }
.lot-code { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); letter-spacing: 0.02em; }
.stamp { display: inline-block; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; padding: 3px 8px; border-radius: 2px; border: 1px solid currentColor; white-space: nowrap; }
.stamp.wait { color: var(--wait); background: var(--wait-ink); }
.stamp.accent { color: var(--accent); background: var(--accent-ink); }
.stamp.ok { color: var(--ok); background: var(--ok-ink); }
.stamp.warn { color: var(--warn); background: var(--warn-ink); }
.stamp.danger { color: var(--danger); background: var(--danger-ink); }
.stamp.doc-badge { color: var(--ok); background: transparent; border-color: var(--ok); font-weight: 700; padding: 2px 6px; }
.badge-late { display: inline-block; font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; color: var(--danger); margin-left: 6px; }
.rail { display: flex; align-items: center; gap: 0; margin: 4px 0; }
.rail .node { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); flex-shrink: 0; }
.rail .node.done { background: var(--accent); }
.rail .node.current { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-ink); }
.rail .seg { height: 1px; background: var(--line-strong); flex: 1; min-width: 10px; }
.rail .seg.done { background: var(--accent); }
label { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin-bottom: 4px; font-weight: 600; }
input, select, textarea { width: 100%; font-family: inherit; font-size: 13.5px; padding: 7px 9px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.field { margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line-strong); background: #fff; color: var(--ink); padding: 8px 14px; border-radius: var(--radius); font-weight: 600; }
.btn:hover { border-color: var(--ink-soft); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-strong); }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--accent); padding: 6px 8px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.empty-state { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty-state .icon { font-size: 28px; margin-bottom: 8px; }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow-card); }
.kpi .num { font-size: 26px; font-weight: 700; font-family: var(--font-mono); letter-spacing: -0.02em; }
.kpi .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin-top: 2px; }
.kpi.late .num { color: var(--warn); }
.toast-region { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 999; }
.toast { background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius); font-size: 13px; box-shadow: 0 4px 14px rgba(0,0,0,0.25); max-width: 340px; }
.toast.error { background: var(--danger); }
.toast.success { background: var(--ok); }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--ink); }
.hint { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--paper); }
.login-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-card); padding: 32px 30px; width: 320px; }
.login-card .eyebrow { text-transform: uppercase; letter-spacing: 0.09em; font-size: 11px; color: var(--muted); }
.login-card h1 { font-size: 19px; margin: 4px 0 20px; }
.login-error { background: var(--danger-ink); color: var(--danger); padding: 8px 10px; border-radius: var(--radius); font-size: 12.5px; margin-bottom: 12px; }
.lignes-table td, .lignes-table th { padding: 6px 8px; }
.remove-line { color: var(--danger); background: none; border: none; font-size: 16px; line-height: 1; }
.table-scroll { overflow-x: auto; }
.qte-cell { width: 96px; }
.qte-input { text-align: center; font-weight: 700; font-size: 16px; padding: 8px 6px; }
@media (max-width: 1000px) {
  .lignes-table thead { display: none; }
  .lignes-table, .lignes-table tbody, .lignes-table tr, .lignes-table td { display: block; width: 100%; }
  .lignes-table tr { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 10px 12px; margin-bottom: 14px; }
  .lignes-table td { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
  .lignes-table td:last-child { border-bottom: none; }
  .lignes-table td::before { content: attr(data-label); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); font-weight: 700; flex-shrink: 0; margin-right: 10px; }
  .lignes-table td[data-label=""]::before { display: none; }
  .lignes-table td input, .lignes-table td select { flex: 1; min-width: 0; width: auto; }
  .lignes-table .checkbox-row { justify-content: flex-end !important; }
  .qte-cell { width: 100%; }
  .remove-line { width: 100%; text-align: center; border: 1px solid var(--danger-ink); border-radius: var(--radius); padding: 8px; font-size: 13px; }
}
@media (max-width: 860px) {
  #app-shell { grid-template-columns: 1fr; }
  .sidebar { position: sticky; top: 0; z-index: 50; flex-direction: row; overflow-x: auto; padding: 10px; }
  .sidebar .brand { display: none; }
  .sidebar nav { flex-direction: row; }
  .sidebar .user-box { display: none; }
  main { padding: 18px; }
}