/* RETAIL INTELLIGENCE — système visuel (voir docs/UI-DESIGN-SYSTEM.md) */
:root {
  --page: #f5f4f0; --surface: #fcfcfb; --card: #ffffff; --ink: #1d1d1b; --ink-2: #52514e; --muted: #898781;
  --line: #e7e5df; --line-2: #d9d6ce; --grid: #e1e0d9; --axis: #c3c2b7;
  --accent: #1d1d1b; --accent-soft: #efede7; --brand: #9a5b34;
  --good: #0ca30c; --good-ink: #006300; --warn: #fab219; --serious: #ec835a; --crit: #d03b3b;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --radius: 12px; --shadow: 0 1px 2px rgba(20, 20, 18, .04), 0 2px 10px rgba(20, 20, 18, .04);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h2 { font-size: 17px; } h3 { font-size: 14.5px; } h4 { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.muted { color: var(--muted); } .small { font-size: 12.5px; } .num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.hidden, [hidden] { display: none !important; }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea { background: #fff; border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 10px; min-height: 34px; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(42, 120, 214, .25); border-color: var(--s1); }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line-2); background: #fff; border-radius: 8px; padding: 7px 12px; cursor: pointer; min-height: 34px; white-space: nowrap; }
.btn:hover { background: var(--accent-soft); }
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.primary:hover { background: #333; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 3px 9px; min-height: 28px; font-size: 12.5px; }
.btn.danger { color: var(--crit); }
.btn[disabled] { opacity: .5; cursor: default; }

/* connexion */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { background: var(--card); padding: 32px; border-radius: 16px; box-shadow: var(--shadow); width: min(380px, 100%); display: grid; gap: 14px; }
.login-card h1 { font-size: 20px; margin-top: 6px; }
.login-card label { display: grid; gap: 4px; font-size: 13px; color: var(--ink-2); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand strong { display: block; font-size: 14px; letter-spacing: .01em; }
.brand small { display: block; color: var(--muted); font-size: 11.5px; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--ink); position: relative; flex: none; }
.brand-mark::after { content: ""; position: absolute; inset: 8px 7px; background: linear-gradient(90deg, #e9e4da 0 3px, transparent 3px 6px, #e9e4da 6px 9px, transparent 9px 12px, #e9e4da 12px 15px); clip-path: polygon(0 40%, 20% 40%, 20% 100%, 0 100%, 0 40%, 40% 0, 60% 0, 60% 100%, 40% 100%, 40% 0, 80% 60%, 100% 60%, 100% 100%, 80% 100%); }

/* structure */
#app { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.side { min-width: 0; overflow: hidden; background: var(--surface); border-right: 1px solid var(--line); padding: 18px 14px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0; height: 100vh; }
.est-pick { display: grid; gap: 4px; font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.est-pick select { width: 100%; min-width: 0; max-width: 100%; text-overflow: ellipsis; font-size: 14px; text-transform: none; letter-spacing: 0; color: var(--ink); font-weight: 600; }
nav { display: grid; gap: 2px; }
nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; cursor: pointer; color: var(--ink-2); text-decoration: none; font-weight: 500; }
nav a i { font-style: normal; width: 18px; text-align: center; color: var(--muted); }
nav a:hover { background: var(--accent-soft); color: var(--ink); }
nav a.on { background: var(--ink); color: #fff; } nav a.on i { color: #fff; }
nav a b { margin-left: auto; background: var(--crit); color: #fff; font-size: 11px; border-radius: 10px; padding: 0 7px; font-weight: 600; }
nav a b:empty { display: none; }
.side-foot { margin-top: auto; font-size: 12.5px; color: var(--muted); display: flex; justify-content: space-between; }
.main { min-width: 0; display: flex; flex-direction: column; }
.top { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; padding: 22px 28px 14px; flex-wrap: wrap; }
.top h1 { font-size: 22px; }
.top-title p { margin: 2px 0 0; font-size: 13px; }
.top-ctrl { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.top-ctrl input[type=date] { min-height: 34px; padding: 4px 8px; }
.view { padding: 4px 28px 48px; display: grid; gap: 18px; }
.loading { padding: 60px; text-align: center; color: var(--muted); }

/* cartes */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; min-width: 0; }
.card-h { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.card-h p { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .g32 { grid-template-columns: 3fr 2fr; } .g23 { grid-template-columns: 2fr 3fr; }

/* KPI */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 12px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; cursor: pointer; transition: border-color .15s, transform .15s; box-shadow: var(--shadow); text-align: left; }
.kpi:hover { border-color: var(--ink-2); }
.kpi .l { font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 6px; }
.kpi .v { font-size: 23px; font-weight: 650; letter-spacing: -.02em; margin-top: 4px; white-space: nowrap; }
.kpi .v small { font-size: 13px; font-weight: 500; color: var(--ink-2); margin-left: 3px; }
.kpi .d { font-size: 12px; margin-top: 2px; color: var(--ink-2); }
.kpi.na .v { color: var(--axis); font-size: 18px; }
.up { color: var(--good-ink); } .down { color: var(--crit); }
.delta::before { content: ""; }

/* 3 questions */
.q3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.q { display: flex; flex-direction: column; gap: 10px; }
.q > * { min-width: 0; }
.q .qn { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--brand); font-weight: 650; }
.q h2 { font-size: 16px; }
.q ol, .q ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 7px; }
.q li { display: flex; justify-content: space-between; gap: 10px; font-size: 13.5px; align-items: baseline; min-width: 0; }
.q li > span:first-child { flex: 1 1 auto; min-width: 0; }
.q li > .num { flex: none; text-align: right; }
.q li a { display: inline-block; max-width: calc(100% - 22px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }
.q li span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.q li .rk { color: var(--muted); width: 18px; display: inline-block; flex: none; }
.q .empty { color: var(--muted); font-size: 13px; }
.bar-mini { height: 4px; background: var(--accent-soft); border-radius: 4px; margin-top: 3px; overflow: hidden; } .bar-mini i { display: block; height: 100%; background: var(--s1); border-radius: 4px; }

/* alertes */
.alert { border-radius: 10px; padding: 10px 14px 10px 34px; font-size: 13px; background: var(--accent-soft); border: 1px solid var(--line); display: block; position: relative; }
.alert::before { font-weight: 700; position: absolute; left: 14px; top: 10px; }
.alert a b, .alert a { white-space: nowrap; }
.alert.err { background: #fbeeee; border-color: #f0cccc; } .alert.err::before { content: "!"; color: var(--crit); }
.alert.warn { background: #fdf6e6; border-color: #f3e1b4; } .alert.warn::before { content: "▲"; color: #b47b00; font-size: 11px; margin-top: 2px; }
.alert.info::before { content: "i"; color: var(--s1); font-style: italic; font-family: Georgia, serif; }
.alert.ok { background: #eef7ee; border-color: #cfe7cf; } .alert.ok::before { content: "✓"; color: var(--good-ink); }
#banner { padding: 0 28px; display: grid; gap: 8px; } #banner:empty { display: none; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; padding: 1px 8px; border-radius: 20px; background: var(--accent-soft); color: var(--ink-2); white-space: nowrap; font-weight: 500; }
.badge.A { background: #dbe9fa; color: #184f95; } .badge.B { background: #fde6dc; color: #9b3d14; } .badge.C { background: #eceae4; color: #52514e; }
.badge.high { background: #fbe1e1; color: #a12a2a; } .badge.mid { background: #fdf0d4; color: #8a5d00; } .badge.low { background: #eceae4; color: #52514e; }
.badge.verified { background: #e3f1e3; color: #1f5e1f; } .badge.hypothesis { background: #ece9fb; color: #4434a8; } .badge.experiment { background: #e2f2fb; color: #13608a; }
.badge.auto { background: transparent; border: 1px dashed var(--line-2); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }

/* tableaux */
.tbl-wrap { overflow: auto; max-height: 70vh; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th { position: sticky; top: 0; background: var(--surface); z-index: 1; font-weight: 600; color: var(--ink-2); font-size: 12px; text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); cursor: pointer; white-space: nowrap; user-select: none; }
th.num { text-align: right; }
th .arr { color: var(--muted); font-size: 10px; margin-left: 3px; }
td { padding: 7px 10px; border-bottom: 1px solid #f0eee9; vertical-align: middle; }
tr:hover td { background: #faf9f6; }
td.name { max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
td.name a { cursor: pointer; text-decoration: none; } td.name a:hover { text-decoration: underline; }
tr.total td { font-weight: 650; background: var(--surface); position: sticky; bottom: 0; }
.cost-cell { cursor: pointer; border-bottom: 1px dashed var(--line-2); }
.cost-cell.missing { color: var(--brand); font-size: 12px; }

/* filtres */
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.filters input[type=search] { min-width: 220px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line-2); background: #fff; border-radius: 20px; padding: 4px 11px; font-size: 12.5px; cursor: pointer; }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 4px; flex-wrap: wrap; }
.tabs button { background: none; border: 0; padding: 9px 12px; cursor: pointer; color: var(--ink-2); border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 500; }
.tabs button.on { color: var(--ink); border-bottom-color: var(--ink); }

/* graphiques */
.chart { width: 100%; height: 320px; } .chart.tall { height: 420px; } .chart.short { height: 240px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); margin-top: 6px; }
.legend span { display: inline-flex; gap: 6px; align-items: center; }

/* matrices */
.quad-legend { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 12px; }
.quad { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 12.5px; }
.quad strong { display: flex; gap: 6px; align-items: center; font-size: 13px; }
.quad p { margin: 3px 0 0; color: var(--ink-2); }
.notice { border: 1px dashed var(--line-2); border-radius: 10px; padding: 22px; text-align: center; color: var(--ink-2); display: grid; gap: 10px; justify-items: center; }

/* décisions */
.rec { border: 1px solid var(--line); border-radius: 12px; background: var(--card); padding: 16px 18px; display: grid; gap: 8px; box-shadow: var(--shadow); }
.rec.st-rejected, .rec.st-done { opacity: .55; }
.rec-h { display: flex; gap: 10px; justify-content: space-between; align-items: flex-start; }
.rec-h h3 { font-size: 15px; }
.rec dl { display: grid; grid-template-columns: 130px 1fr; gap: 4px 14px; margin: 0; font-size: 13px; }
.rec dt { color: var(--muted); } .rec dd { margin: 0; }
.rec .acts { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.rec .acts input { flex: 1; min-width: 180px; min-height: 28px; font-size: 12.5px; padding: 3px 8px; }
.score { font-variant-numeric: tabular-nums; font-weight: 650; font-size: 13px; color: var(--ink-2); }

/* import */
.drop { border: 1.5px dashed var(--line-2); border-radius: 14px; padding: 30px; text-align: center; background: var(--surface); cursor: pointer; transition: .15s; }
.drop.over { border-color: var(--s1); background: #f1f6fd; }
.drop strong { display: block; font-size: 15px; margin-bottom: 4px; }
.imp-card { border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: grid; gap: 10px; background: var(--card); }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px 14px; font-size: 13px; }
.kv div span { display: block; color: var(--muted); font-size: 11.5px; }
.kv div b { font-weight: 600; }
.map-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px 14px; }
.map-grid label { display: grid; gap: 3px; font-size: 12px; color: var(--ink-2); }
details summary { cursor: pointer; color: var(--ink-2); font-size: 13px; }
pre.rej { max-height: 240px; overflow: auto; background: var(--surface); padding: 10px; border-radius: 8px; font-size: 12px; white-space: pre-wrap; }

/* simulateur */
.sim-ctrl { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px 16px; }
.sim-ctrl label { display: grid; gap: 4px; font-size: 12.5px; color: var(--ink-2); }
.sim-ctrl label output { font-weight: 650; color: var(--ink); }
input[type=range] { padding: 0; min-height: 0; accent-color: var(--ink); }

/* tiroir IA & modale */
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(560px, 100%); background: var(--card); box-shadow: -10px 0 40px rgba(0, 0, 0, .12); z-index: 30; display: flex; flex-direction: column; }
.drawer-h { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.drawer-b { padding: 16px 20px; overflow: auto; flex: 1; display: grid; gap: 12px; align-content: start; }
.drawer textarea { width: 100%; min-height: 80px; resize: vertical; }
.answer { font-size: 13.5px; line-height: 1.6; } .answer h3, .answer h4 { margin: 12px 0 4px; } .answer ul, .answer ol { padding-left: 20px; margin: 6px 0; } .answer p { margin: 6px 0; }
.qa { border-top: 1px solid var(--line); padding-top: 12px; }
.qa .q { font-weight: 600; margin-bottom: 6px; display: block; }
.modal { position: fixed; inset: 0; background: rgba(20, 20, 18, .35); z-index: 40; display: grid; place-items: center; padding: 20px; }
.modal-c { background: var(--card); border-radius: 16px; width: min(920px, 100%); max-height: 90vh; overflow: auto; padding: 22px 24px; display: grid; gap: 14px; }
.modal-h { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.x { background: none; border: 0; font-size: 22px; line-height: 1; cursor: pointer; color: var(--muted); }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; z-index: 50; font-size: 13px; box-shadow: var(--shadow); }
.toast.err { background: var(--crit); }
.src { font-size: 11.5px; color: var(--muted); }

@media (max-width: 1180px) { .g3, .q3 { grid-template-columns: 1fr 1fr; } .g32, .g23 { grid-template-columns: 1fr; } }
@media (max-width: 900px) {
  #app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px; padding: 10px 14px; }
  .side .brand small, .side-foot span { display: none; }
  nav { display: flex; overflow-x: auto; width: 100%; order: 3; } nav a { white-space: nowrap; }
  .side-foot { margin: 0 0 0 auto; }
  .g2, .g3, .q3 { grid-template-columns: 1fr; }
  .top, .view { padding-left: 14px; padding-right: 14px; } #banner { padding: 0 14px; }
  .rec dl { grid-template-columns: 1fr; }
}
@media print {
  .side, .top-ctrl, #banner .btn, .filters, .acts, .drawer, .btn { display: none !important; }
  #app { display: block; } .view { padding: 0; } .card, .rec, .kpi { box-shadow: none; break-inside: avoid; }
  .tbl-wrap { max-height: none; overflow: visible; }
  body { background: #fff; }
}

/* anti-débordement : les éléments de grille ne doivent jamais forcer la largeur de la page */
.view > *, #sub, #sub > *, .grid > *, .q3 > *, .kpis > * { min-width: 0; }
.card, .rec, .imp-card { overflow-wrap: anywhere; }
.tbl-wrap { max-width: 100%; }
.filters input[type=search] { min-width: 0; flex: 1 1 200px; }
@media (max-width: 600px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi .v { font-size: 19px; }
  .top-ctrl { width: 100%; } .top-ctrl select { flex: 1 1 140px; min-width: 0; }
  .card { padding: 14px; }
  .rec .acts input { min-width: 0; }
}
#tplCost, .notice .btn { white-space: normal; text-align: left; }

/* installation & écrans d'application (encoche, plein écran) */
.install-btn { width: 100%; justify-content: center; margin-top: auto; }
.install-btn + .side-foot { margin-top: 0; }
@media (display-mode: standalone) { .top { padding-top: max(22px, env(safe-area-inset-top)); } .side { padding-top: max(18px, env(safe-area-inset-top)); } }
@media (max-width: 900px) { .install-btn { width: auto; margin: 0; order: 2; } }