:root {
  --bg: #f4f6fa; --panel: #fff; --ink: #1b2430; --muted: #6b7684; --line: #e2e6ec;
  --brand: #0b1f3a; --brand-2: #163a6b; --accent: #2f6fed; --accent-ink: #fff;
  --ok: #1f9d55; --warn: #d98c0b; --err: #d23f3f; --ok-bg: #e6f6ec; --warn-bg: #fff4e0; --err-bg: #fde8e8;
  --radius: 10px; --sidebar: 240px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .6rem; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }

/* --- layout --- */
.sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sidebar); background: var(--brand); color: #cfd8e6; display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; background: var(--brand-2); }
.brand a { color: #fff; font-weight: 700; font-size: 1.1rem; }
.burger { display: none; background: none; border: 0; color: #fff; font-size: 1.4rem; }
.nav { list-style: none; margin: 0; padding: 8px 0; flex: 1; overflow-y: auto; }
.nav li a { display: flex; gap: 10px; align-items: center; padding: 10px 18px; color: #cfd8e6; }
.nav li a:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.nav li.active a { background: var(--accent); color: #fff; }
.nav .ico { width: 1.2em; text-align: center; opacity: .8; }
.sidebar-foot { padding: 12px 18px; border-top: 1px solid rgba(255,255,255,.1); font-size: .9rem; }
.site-switch label { display: block; font-size: .75rem; text-transform: uppercase; opacity: .7; }
.site-switch select { width: 100%; margin: 4px 0 8px; }
.user-line a { color: #fff; margin-left: 6px; }
.main { margin-left: var(--sidebar); padding: 24px 28px 60px; min-height: 100vh; }
.login-page .main { margin-left: 0; display: grid; place-items: center; }
.login-box { background: var(--panel); padding: 32px; border-radius: var(--radius); width: min(380px, 92vw); box-shadow: 0 10px 30px rgba(0,0,0,.08); }
.login-box h1 { text-align: center; }

@media (max-width: 900px) {
  .sidebar { width: 100%; height: auto; position: sticky; top: 0; z-index: 10; inset: auto; }
  .burger { display: block; }
  .nav, .sidebar-foot { display: none; }
  body.nav-open .nav, body.nav-open .sidebar-foot { display: block; }
  .main { margin-left: 0; padding: 16px; }
}

/* --- composants --- */
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.page-head h1 { margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.kpi .label { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.kpi .value { font-size: 1.6rem; font-weight: 700; margin-top: 4px; }
.kpi .sub { font-size: .85rem; color: var(--muted); }
.kpi.ok .value { color: var(--ok); } .kpi.warn .value { color: var(--warn); } .kpi.err .value { color: var(--err); }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; font: inherit; }
.btn:hover { background: #f0f3f8; text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: #255fd2; }
.btn.danger { color: var(--err); border-color: #f3c4c4; }
.btn.small { padding: 4px 10px; font-size: .85rem; }
.btn.big { padding: 14px 22px; font-size: 1.1rem; }

table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: #fafbfd; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:hover td { background: #fafbfd; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.table-wrap table { border: 0; }
tfoot td { font-weight: 700; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .78rem; font-weight: 600; background: #eef1f6; color: var(--muted); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.err { background: var(--err-bg); color: var(--err); }
.badge.info { background: #e7efff; color: var(--accent); }

.flashes { margin-bottom: 14px; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 6px; background: #e7efff; color: #1d4ed8; }
.flash-error { background: var(--err-bg); color: var(--err); }
.flash-success { background: var(--ok-bg); color: var(--ok); }
.flash-warning { background: var(--warn-bg); color: var(--warn); }

/* --- formulaires --- */
form.stack, .stack { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--muted); }
label.inline { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); }
input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid #cfd6e0; border-radius: 8px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid #b9cdfb; border-color: var(--accent); }
input[type=checkbox] { width: 18px; height: 18px; }
input.short { width: 110px; } input.num { text-align: right; width: 110px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 8px; margin-top: 16px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin-bottom: 14px; }
.filters label { font-size: .8rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .right { text-align: right; }
.empty { padding: 32px; text-align: center; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); font-size: .82rem; background: #fff; }
.chip.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { padding: 8px 14px; border-radius: 8px 8px 0 0; color: var(--muted); }
.tabs a.active { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-bottom-color: var(--panel); margin-bottom: -1px; }
.inline-form { display: inline; }
.lines-editor td { padding: 4px 6px; }
.lines-editor input, .lines-editor select { padding: 6px 8px; }
.touch .btn { min-height: 48px; }
.touch input, .touch select { min-height: 48px; font-size: 1.05rem; }

/* --- impression --- */
@media print {
  .sidebar, .no-print, .flashes { display: none !important; }
  .main { margin: 0; padding: 0; }
  body { background: #fff; font-size: 12px; }
  .card { border: 0; padding: 0; box-shadow: none; }
  a { color: inherit; }
}
.print-page { max-width: 820px; margin: 0 auto; background: #fff; padding: 24px; }
.print-page h1 { font-size: 1.6rem; }
.label-sheet { display: grid; grid-template-columns: repeat(auto-fill, 62mm); gap: 4mm; }
.label-sheet .label { width: 62mm; height: 40mm; border: 1px dashed #999; padding: 3mm; font-size: 10px; break-inside: avoid; }
.label-sheet .label .name { font-weight: 700; font-size: 12px; }
.label-sheet .label .big { font-size: 14px; font-weight: 700; }