:root {
  --bg: #f6f7f9; --panel: #ffffff; --text: #1b2430; --muted: #5b6676; --line: #d9dee6; --accent: #1f5fbf; --accent-text: #ffffff;
  --danger: #b3261e; --ok: #1e7a3c; --warn: #8a5a00; --chip: #e8edf5;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11151b; --panel: #1a2029; --text: #e6eaf0; --muted: #9aa5b5; --line: #2c3542; --accent: #6ea2f0; --accent-text: #0b1220; --danger: #ff8a80; --ok: #6fd08c; --warn: #f0c36b; --chip: #263041; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header.top { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
header.top h1 { font-size: 1.1rem; margin: 0; }
nav.tabs { display: flex; gap: 4px; overflow-x: auto; padding: 8px 16px 0; background: var(--panel); border-bottom: 1px solid var(--line); }
nav.tabs button { border: 0; background: none; color: var(--muted); padding: 10px 14px; border-bottom: 3px solid transparent; font: inherit; cursor: pointer; white-space: nowrap; }
nav.tabs button[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
main { padding: 16px; max-width: 1100px; margin: 0 auto; }
h2 { font-size: 1.2rem; margin: 0 0 12px; }
h3 { font-size: 1rem; margin: 20px 0 8px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin-bottom: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.grow { flex: 1 1 200px; }
summary { min-height: 24px; padding: 2px 0; cursor: pointer; }
label:has(> input[type="checkbox"]), label:has(> input[type="radio"]) { min-height: 24px; }
label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 2px; }
input, select, textarea, button { font: inherit; color: inherit; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); min-height: 40px; }
input[type="checkbox"] { width: auto; min-height: 0; }
textarea { min-height: 80px; }
button.btn, a.btn { display: inline-block; padding: 8px 14px; min-height: 40px; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); cursor: pointer; text-decoration: none; color: var(--text); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--danger); border-color: var(--danger); }
button:disabled { opacity: .5; cursor: not-allowed; }
:focus-visible, input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
tr.click { cursor: pointer; }
tr.click:hover { background: var(--chip); }
.chip { display: inline-block; padding: 1px 8px; border-radius: 10px; background: var(--chip); font-size: .8rem; }
.chip.opposition { background: var(--danger); color: var(--accent-text); }
.chip.ok { color: var(--ok); }
.muted { color: var(--muted); }
.err { color: var(--danger); }
.warn { color: var(--warn); }
.toast { position: fixed; bottom: 16px; left: 16px; right: 16px; max-width: 480px; margin: 0 auto; padding: 10px 14px; border-radius: 8px; background: var(--text); color: var(--bg); z-index: 10; }
.toast.error { background: var(--danger); color: var(--accent-text); }
.login { max-width: 380px; margin: 12vh auto; padding: 0 16px; }
.kpi { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.kpi div { flex: 1 1 130px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
.kpi strong { display: block; font-size: 1.5rem; }
.scroll { overflow-x: auto; }
@media (max-width: 640px) {
  /* cibles tactiles d'au moins 44 x 44 px sur téléphone (le bureau garde ses 40 px) */
  button, button.btn, a.btn, summary { min-height: 44px; }
  button.btn, a.btn { min-width: 44px; }
  input:not([type="checkbox"]):not([type="radio"]), select, textarea { min-height: 44px; }
  textarea { min-height: 80px; }
  input[type="checkbox"], input[type="radio"] { width: 24px; height: 24px; margin: 0; flex: none; }
  label:has(> input[type="checkbox"]), label:has(> input[type="radio"]) { display: flex; align-items: center; gap: 8px; min-height: 44px; color: var(--text); }
  summary { display: flex; align-items: center; }
  table.cards thead { display: none; }
  table.cards, table.cards tbody, table.cards tr, table.cards td { display: block; width: 100%; }
  table.cards tr { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; padding: 4px 0; background: var(--panel); }
  table.cards td { border: 0; padding: 3px 10px; }
  table.cards td[data-label]::before { content: attr(data-label) " : "; color: var(--muted); font-size: .8rem; }
}
.demo-banner { position: sticky; top: 0; z-index: 5; background: var(--warn); color: var(--bg); padding: 8px 16px; font-size: .9rem; }
.demo-banner strong { margin-right: 4px; }