:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #1d4ed8;
  --accent-soft: #eff6ff;
  --nav: #0f172a;
  --nav-hover: #1e293b;
  --ok: #047857;
  --ok-soft: #ecfdf5;
  --warn: #b45309;
  --warn-soft: #fffbeb;
  --bad: #b91c1c;
  --bad-soft: #fef2f2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 12px rgba(15, 23, 42, .05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.layout { display: flex; min-height: 100vh; }

/* ---------- Navigation ---------- */
.sidebar {
  width: 232px;
  flex: 0 0 232px;
  background: var(--nav);
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { padding: 4px 10px 20px; }
.brand h1 { font-size: 15px; margin: 0; letter-spacing: .2px; }
.brand span { font-size: 11px; color: #94a3b8; text-transform: uppercase; letter-spacing: .8px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px; cursor: pointer;
  color: #cbd5e1; font-weight: 500; margin-bottom: 2px;
  border: none; background: none; width: 100%; text-align: left; font-size: 14px;
}
.nav-item:hover { background: var(--nav-hover); color: #fff; }
.nav-item.active { background: var(--accent); color: #fff; }
.nav-item .ico { width: 18px; text-align: center; }
.sidebar-foot { margin-top: auto; padding: 12px 10px 0; font-size: 12px; color: #64748b; border-top: 1px solid #1e293b; }
.sidebar-foot a { color: #93c5fd; text-decoration: none; }

/* ---------- Structure ---------- */
.main { flex: 1; min-width: 0; padding: 24px 28px 60px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h2 { margin: 0 0 4px; font-size: 21px; }
.page-head p { margin: 0; color: var(--muted); max-width: 70ch; }
.view { display: none; }
.view.active { display: block; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px;
}
.card h3 { margin: 0 0 14px; font-size: 15px; }
.card h3 .sub { font-weight: 400; color: var(--muted); font-size: 13px; margin-left: 8px; }

.grid { display: grid; gap: 14px; }
.grid.kpi { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.grid.form { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

.kpi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.kpi-card .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.kpi-card .value { font-size: 25px; font-weight: 600; margin-top: 6px; letter-spacing: -.5px; }
.kpi-card .hint { font-size: 12px; color: var(--muted); margin-top: 3px; }
.kpi-card.good .value { color: var(--ok); }
.kpi-card.accent .value { color: var(--accent); }

/* ---------- Tableaux ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
tbody tr:hover { background: var(--surface-alt); }
tr.clickable { cursor: pointer; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.empty { color: var(--muted); padding: 22px; text-align: center; font-style: italic; }

/* ---------- Formulaires ---------- */
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
input, select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border-strong);
  border-radius: 7px; font-size: 13px; font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { min-height: 62px; resize: vertical; }
.field { margin-bottom: 12px; }
.inline-check { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.inline-check input { width: auto; }

button {
  font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
  border-radius: 7px; padding: 8px 14px; border: 1px solid transparent; background: var(--accent); color: #fff;
}
button:hover { filter: brightness(1.08); }
button.ghost { background: #fff; color: var(--text); border-color: var(--border-strong); }
button.ghost:hover { background: var(--surface-alt); }
button.danger { background: var(--bad); }
button.small { padding: 5px 9px; font-size: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.toolbar { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .field { margin: 0; min-width: 170px; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.neutral { background: var(--surface-alt); color: var(--muted); border: 1px solid var(--border); }
.badge.info { background: var(--accent-soft); color: var(--accent); }

.pill-row { display: flex; gap: 6px; flex-wrap: wrap; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.right { text-align: right; }
.sep { height: 1px; background: var(--border); margin: 16px 0; }
.gain { color: var(--ok); font-weight: 600; }
.perte { color: var(--bad); font-weight: 600; }

/* ---------- Garanties (éditeur) ---------- */
.guarantee-row { display: grid; grid-template-columns: 26px 1fr 130px 120px 1fr; gap: 8px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.guarantee-row .g-name { font-weight: 500; }
.guarantee-row .g-name em { font-style: normal; color: var(--bad); font-size: 11px; margin-left: 6px; }
.guarantee-row input { padding: 5px 8px; font-size: 12px; }

/* ---------- Comparateur ---------- */
.offer { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; background: #fff; }
.offer.best { border-color: var(--ok); box-shadow: 0 0 0 1px var(--ok); }
.offer.rejected { opacity: .72; }
.offer-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 13px 16px; background: var(--surface-alt); flex-wrap: wrap; }
.offer-title { font-weight: 600; font-size: 14px; }
.offer-metrics { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.metric { text-align: right; }
.metric .l { font-size: 10px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.metric .v { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.offer-body { padding: 4px 16px 14px; display: none; }
.offer.open .offer-body { display: block; }
.score-bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; width: 90px; }
.score-bar span { display: block; height: 100%; background: var(--ok); }
.score-bar.mid span { background: var(--warn); }
.score-bar.low span { background: var(--bad); }

/* ---------- Chat ---------- */
.chat-wrap { max-width: 780px; margin: 0 auto; }
.chat-log { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; height: 52vh; min-height: 320px; overflow-y: auto; box-shadow: var(--shadow); }
.msg { margin-bottom: 14px; display: flex; }
.msg .bubble { padding: 10px 14px; border-radius: 12px; max-width: 78%; white-space: pre-wrap; line-height: 1.5; }
.msg.user { justify-content: flex-end; }
.msg.user .bubble { background: var(--accent); color: #fff; border-bottom-right-radius: 3px; }
.msg.bot .bubble { background: var(--surface-alt); border: 1px solid var(--border); border-bottom-left-radius: 3px; }
.msg .meta { font-size: 11px; color: var(--muted); margin-top: 4px; }
.chat-input { display: flex; gap: 8px; margin-top: 12px; }
.chat-input input { flex: 1; padding: 11px 14px; }
.suggestions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.suggestions button { background: #fff; color: var(--accent); border: 1px solid var(--border-strong); font-weight: 500; font-size: 12px; padding: 6px 11px; }

.portal-shell { max-width: 900px; margin: 0 auto; padding: 32px 20px 60px; }
.portal-head { text-align: center; margin-bottom: 26px; }
.portal-head h1 { margin: 0 0 6px; font-size: 22px; }
.portal-head p { margin: 0; color: var(--muted); }
.login-box { max-width: 420px; margin: 40px auto; }

.toast {
  position: fixed; bottom: 22px; right: 22px; background: var(--nav); color: #fff;
  padding: 11px 16px; border-radius: 8px; box-shadow: var(--shadow); font-size: 13px;
  opacity: 0; transform: translateY(8px); transition: all .2s; z-index: 100; max-width: 380px;
}
.toast.show { opacity: 1; transform: none; }
.toast.error { background: var(--bad); }

.modal-backdrop { position: fixed; inset: 0; background: rgba(15,23,42,.5); display: none; align-items: flex-start; justify-content: center; padding: 40px 16px; overflow-y: auto; z-index: 50; }
.modal-backdrop.show { display: flex; }
.modal { background: #fff; border-radius: var(--radius); width: 100%; max-width: 860px; box-shadow: 0 20px 60px rgba(15,23,42,.3); }
.modal header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal header h3 { margin: 0; font-size: 16px; }
.modal .body { padding: 20px; max-height: 74vh; overflow-y: auto; }
.modal footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; background: var(--surface-alt); border-radius: 0 0 var(--radius) var(--radius); }
.close-x { background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; padding: 0 6px; }

@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .sidebar { width: auto; flex: none; height: auto; position: static; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px; }
  .brand { padding: 0 12px 0 4px; }
  .nav-item { width: auto; }
  .sidebar-foot { display: none; }
  .main { padding: 16px; }
  .guarantee-row { grid-template-columns: 24px 1fr; }
}

/* ---------- Impression : ne sortir que la proposition ouverte ---------- */
@media print {
  body { background: #fff; }
  .sidebar, .toolbar, .page-head button, .toast, .modal footer, .close-x, .offer-head button { display: none !important; }
  .modal-backdrop { position: static; display: block !important; background: none; padding: 0; overflow: visible; }
  .modal { max-width: none; box-shadow: none; }
  .modal .body { max-height: none; overflow: visible; }
  .layout, .main { display: block; padding: 0; }
  .view:not(.active) { display: none; }
  .offer-body { display: block !important; }
  .card, .offer, .kpi-card { break-inside: avoid; box-shadow: none; }
}