:root {
  --ink: #16181d;
  --ink-soft: #5b6270;
  --ink-faint: #8b93a1;
  --line: #e4e7ec;
  --line-soft: #f0f2f5;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --green: #0f7a52;
  --green-soft: #e6f4ee;
  --red: #b4243a;
  --red-soft: #fdecef;
  --amber: #a35c00;
  --amber-soft: #fdf3e2;
  --blue: #1f5fa8;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 24, 32, .05), 0 4px 16px rgba(20, 24, 32, .04);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------------------------------------------------------------- topbar */

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 56px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark { font-weight: 700; letter-spacing: -.02em; font-size: 16px; }
.brand-sub { color: var(--ink-faint); font-size: 12px; }

.nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav a {
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--ink-soft);
  font-weight: 500;
}
.nav a:hover { background: var(--line-soft); color: var(--ink); }
.nav a.on { background: var(--ink); color: #fff; }

.topbar-right { display: flex; align-items: center; gap: 12px; }
.quiet { color: var(--ink-faint); font-size: 13px; }
.quiet:hover { color: var(--ink); }

/* ------------------------------------------------------------------ page */

.page { max-width: 1180px; margin: 0 auto; padding: 24px 20px 48px; }

.footnote {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 40px;
  color: var(--ink-faint);
  font-size: 12px;
}

h1 { font-size: 20px; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 12px; letter-spacing: -.01em; }
.lede { color: var(--ink-soft); margin: 0 0 20px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.panel-head h2 { margin: 0; }

/* -------------------------------------------------------------------- KPI */

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.kpi {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-faint);
  font-weight: 600;
}
.kpi-value {
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -.02em;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.kpi-value.lead { font-size: 32px; }
.kpi-meta { color: var(--ink-soft); font-size: 12px; margin-top: 6px; }
.kpi-meta strong { font-variant-numeric: tabular-nums; }

.pos { color: var(--green); }
.neg { color: var(--red); }
.muted { color: var(--ink-faint); }

/* ---------------------------------------------------------------- alertes */

.banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-weight: 500;
  flex-wrap: wrap;
}
.banner-warn { background: var(--amber-soft); color: var(--amber); border: 1px solid #f0dcb8; }
.banner-ok { background: var(--green-soft); color: var(--green); border: 1px solid #c9e6d9; }

.flashes { margin-bottom: 16px; }
.flash {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-weight: 500;
}
.flash-success { background: var(--green-soft); color: var(--green); }
.flash-error { background: var(--red-soft); color: var(--red); }

.note {
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--line-soft);
  border-left: 3px solid var(--line);
  padding: 10px 12px;
  border-radius: 0 6px 6px 0;
  margin: 12px 0;
}

/* ---------------------------------------------------------------- graphes */

.charts { display: grid; grid-template-columns: 1fr; gap: 16px; }
.chart-box { position: relative; height: 320px; }
.chart-box.small { height: 260px; }
.split { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------- tableaux */

.scroller { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; text-align: left; white-space: nowrap; }
th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-faint);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}
td { border-bottom: 1px solid var(--line-soft); }
tbody tr:hover td { background: #fafbfc; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.pct { color: var(--ink-faint); font-size: 12px; width: 1%; }
.wrap { white-space: normal; min-width: 260px; }

tr.group-head td {
  background: var(--line-soft);
  font-weight: 650;
  border-top: 1px solid var(--line);
}
tr.total-row td {
  font-weight: 700;
  border-top: 2px solid var(--ink);
  background: #fff;
}
tr.off-pl td { color: var(--ink-faint); font-style: italic; }

/* ------------------------------------------------------------- formulaires */

input[type=text], input[type=password], input[type=number], input[type=search], select, textarea {
  font: inherit;
  color: inherit;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  max-width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--blue); outline-offset: -1px; }

.btn {
  font: inherit;
  font-weight: 550;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
}
.btn:hover { background: var(--line-soft); }
.btn-primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-primary:hover { background: #000; }
.btn-danger { color: var(--red); border-color: #f0c8cf; }
.btn-danger:hover { background: var(--red-soft); }
.btn-sm { padding: 4px 9px; font-size: 12px; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.inline { display: inline-flex; gap: 6px; align-items: center; }

.field { display: block; margin-bottom: 18px; }
.field > span { display: block; font-size: 12px; font-weight: 600; color: var(--ink-soft); margin-bottom: 5px; }
.field > small { display: block; margin-top: 5px; font-size: 12px; line-height: 1.45; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.seg button {
  font: inherit;
  font-size: 12px;
  font-weight: 550;
  padding: 4px 11px;
  border: 0;
  background: #fff;
  color: var(--ink-soft);
  cursor: pointer;
}
.seg button + button { border-left: 1px solid var(--line); }
.seg button:hover { background: var(--line-soft); }
.seg button.on { background: var(--ink); color: #fff; }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: var(--line-soft);
  color: var(--ink-soft);
}
.pill-rule { background: #eaf1fb; color: var(--blue); }
.pill-manual { background: var(--green-soft); color: var(--green); }
.pill-llm { background: #f3ecfb; color: #6b3fa0; }
.pill-todo { background: var(--amber-soft); color: var(--amber); }
.pill-exc { background: var(--red-soft); color: var(--red); }

/* Une ligne hors moyennes se lit d'un coup d'œil dans la liste. */
tr.exceptional td:first-child { box-shadow: inset 3px 0 0 var(--red); }

/* Formulaire replié dans une ligne de tableau : scinder une opération,
   modifier une règle. */
details.split-form, details.row-form { margin-top: 6px; }
details.split-form summary,
details.row-form summary { cursor: pointer; color: var(--blue); font-size: 12px; }
details.split-form .row,
details.row-form .row { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
details.row-form[open] { min-width: 460px; }

/* --------------------------------------------------------------- connexion */

.login-wrap { max-width: 340px; margin: 12vh auto; }
.login-wrap .panel { padding: 24px; }
.login-wrap label { display: block; font-size: 12px; color: var(--ink-soft); margin: 10px 0 4px; }
.login-wrap input { width: 100%; }
.login-wrap .btn { width: 100%; margin-top: 16px; }

@media (max-width: 640px) {
  .topbar { height: auto; padding: 10px 14px; }
  .page { padding: 16px 14px 40px; }
  .kpi-value { font-size: 22px; }
  .kpi-value.lead { font-size: 26px; }
}