/* 2CFinance visual layer, charter validated on 2026-09-24 ("Cas d'usage IA DAF", light theme). */
@font-face { font-family: 'Open Sans'; src: url('brand/open-sans-regular.ttf') format('truetype'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Open Sans'; src: url('brand/open-sans-semibold.ttf') format('truetype'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Open Sans'; src: url('brand/open-sans-bold.ttf') format('truetype'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Archivo'; src: url('brand/archivo-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Archivo'; src: url('brand/archivo-800.woff2') format('woff2'); font-weight: 800; font-display: swap; }
:root {
  --bg: #f6fafb;
  --surface: #fff;
  --wash: #e4f5fa;
  --wash2: #cfe3e6;
  --teal: #2f505a;
  --teal2: #437280;
  --ink: #262626;
  --muted: #575757;
  --line: #d9e6e9;
  --prod: #3f7a69; --prod-ink: #38705f; --prod-bg: #e3f1ec;
  --test: #8a6a35; --test-ink: #7f6130; --test-bg: #f6eedf;
  --ante: #437280; --ante-bg: #e4f5fa;
  --warn: #8f4f47; --warn-bg: #f5e7e4;
  --shadow: 0 8px 28px rgba(9, 51, 63, .08);
  --shadow-hover: 0 12px 34px rgba(9, 51, 63, .13);
  --radius-panel: 22px;
  --radius-field: 12px;
  --heading: 'Archivo', 'Open Sans', 'Segoe UI', Arial, sans-serif;
  /* Aliases used by app.css and training-ia.css. */
  --paper: var(--bg);
  --green: var(--teal);
  --lime: var(--wash);
  --radius: var(--radius-panel);
}
body { font-family: 'Open Sans', 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--ink); }

/* Buttons: pills, primary teal, secondary white. */
button, .button { border-radius: 999px; min-height: 46px; padding: 12px 22px; font-size: 13px; letter-spacing: .15px; background: var(--teal); border-color: var(--teal); color: #fff; }
button:hover, .button:hover { filter: none; background: var(--teal2); border-color: var(--teal2); color: #fff; }
button:disabled, button:disabled:hover { background: #eef3f4; color: var(--muted); border-color: var(--line); }
.secondary, .button.secondary { background: var(--surface); border-color: var(--line); color: var(--teal); }
.secondary:hover, .button.secondary:hover { background: var(--wash); border-color: var(--wash2); color: var(--teal); }
.text-button { background: transparent; border: 0; border-radius: 0; color: var(--muted); min-height: 44px; padding: 5px 0; }
.text-button:hover { background: transparent; border: 0; color: var(--teal); text-decoration-thickness: 2px; }
.account .text-button { min-height: 44px; }
.danger { color: var(--warn); background: var(--warn-bg); border-color: var(--warn-bg); }
.danger:hover { background: var(--warn); border-color: var(--warn); color: #fff; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible { outline: 3px solid var(--teal2); outline-offset: 3px; }

/* Header, navigation, page frame. */
.demo-banner { background: var(--wash); color: var(--teal); }
header { max-width: none; min-height: 96px; padding: 20px max(32px, calc((100vw - 1178px) / 2)); gap: 32px; background: var(--surface); border-bottom: 1px solid var(--line); }
.brand { color: var(--teal); letter-spacing: 2px; flex-direction: column; align-items: flex-start; gap: 4px; flex-shrink: 0; }
.brand-logo { width: 176px; height: auto; display: block; }
.brand-mark { background: var(--teal2); color: #fff; font-size: 30px; padding: 5px 13px 7px 10px; border-radius: 12px; }
.brand small { margin-top: 3px; color: var(--muted); }
body header > nav { gap: 6px; }
nav a { font-size: 13px; padding: 10px 16px; border-radius: 999px; color: var(--muted); min-height: 44px; display: inline-flex; align-items: center; }
nav a:hover { background: var(--wash); color: var(--teal); }
nav a[aria-current] { border: 0; background: var(--teal); color: #fff; font-weight: 600; }
nav a[aria-current]:hover { background: var(--teal); color: #fff; }
.account { color: var(--teal); }
main { padding-top: 40px; }
footer { color: var(--muted); border-top-color: var(--line); }

/* Typography. */
h1, h2, h3 { font-family: var(--heading); color: var(--teal); }
h1 { font-weight: 800; font-size: clamp(32px, 3.6vw, 48px); letter-spacing: -1.2px; line-height: 1.12; }
h1 em { font-family: inherit; font-style: normal; font-weight: 800; color: var(--teal2); }
h2 { font-weight: 600; font-size: 22px; letter-spacing: -.3px; }
h3 { font-weight: 600; font-size: 20px; line-height: 1.35; letter-spacing: -.2px; }
.eyebrow, .section-number { color: var(--teal2); font-size: 11px; font-weight: 700; letter-spacing: 2px; }
.lead { color: var(--muted); font-size: 16px; }
.muted, .description, dt { color: var(--muted); }

/* Panels: rounded, shadow, no hard border. */
.panel, .card, .login-card, .hero-note, .filters, .empty, .table-wrap {
  background: var(--surface); border: 0; border-radius: var(--radius-panel); box-shadow: var(--shadow);
}
.panel { padding: 24px; margin: 16px 0; }
.panel .table-wrap, .panel .panel { box-shadow: none; border: 1px solid var(--line); }
details.panel[open] { background: var(--surface); }
summary { color: var(--teal); }
summary small { margin-top: 6px; }
.hero { background: var(--wash); border-radius: 24px; padding: 40px 44px; gap: 48px; margin-bottom: 40px; }
.hero h1 { margin-top: 14px; }
.hero .lead { margin-bottom: 0; }
.hero-note { padding: 26px; }
.hero-note strong { font-family: var(--heading); color: var(--teal); font-size: 56px; font-weight: 800; }
.rule { background: var(--line); }
.section-heading { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.filters { padding: 20px 22px; gap: 16px; }
.filters label { flex: 1; }
.filters a, .hub-search a { color: var(--teal); }

/* Form fields. */
input, select, textarea { border: 1px solid var(--line); border-radius: var(--radius-field); color: var(--ink); background: var(--surface); }
input:hover, select:hover, textarea:hover { border-color: var(--wash2); }
input[type=search], .hub-query input { border-radius: 999px; padding-left: 18px; padding-right: 18px; }
input[type=checkbox], input[type=radio] { border-radius: 4px; accent-color: var(--teal); }
label { color: var(--ink); }

/* Cards. */
.cards { gap: 24px; }
.card { padding: 28px; transition: box-shadow .15s ease, transform .15s ease; }
.card:hover { box-shadow: var(--shadow-hover); }
.card-top { align-items: flex-start; }
.card-top>.small { text-align: right; font-size: 11px; padding-top: 5px; }
.card dl>div { grid-template-columns: 62px minmax(0, 1fr); }
.card dd, .training-facts dd { overflow-wrap: anywhere; }
dl, .card-bottom { border-top-color: var(--line); }

/* Pills, tags and status. */
.tag, .pill { border-radius: 999px; font-weight: 600; }
.tag { background: var(--wash); color: var(--teal); padding: 5px 12px; }
.tag.finance { background: var(--wash2); color: var(--teal); }
.pill-row { flex-wrap: wrap; }
.pill { background: var(--surface); color: var(--teal); border: 1px solid var(--line); padding: 8px 14px; }
.dot { background: var(--prod); }
.status { color: var(--prod-ink); }
.status.cancelled { color: var(--warn); }
.notice { background: var(--wash); border: 0; border-radius: 16px; color: var(--teal); box-shadow: var(--shadow); }
.empty { padding: 44px; }

/* Login. */
.login-layout { gap: 70px; }
.login-card { padding: 36px; }

/* Tables: white surface in rounded panels. */
.table-wrap { margin: 12px 0 28px; }
table { background: var(--surface); }
th, td { border-bottom-color: var(--line); }
th { background: var(--bg); color: var(--teal2); }
tbody tr:last-child td { border-bottom: 0; }
h2 + .dashboard-scroll-hint + .table-wrap table { min-width: 900px; }
.dashboard-scroll-hint { display: none; }

/* Session detail. */
.back-link { font-size: 12px; margin: 0 0 28px; }
.back-link a { color: var(--teal); }
.detail-heading { background: var(--wash); border-radius: 24px; padding: 28px 32px 12px; }
.detail-heading h1 { max-width: 900px; font-size: clamp(28px, 3.3vw, 42px); }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 24px; align-items: start; margin-top: 24px; }
.detail-layout .panel { margin: 0; }
.detail-layout h2 { margin-top: 0; }
.training-facts { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(0, 1.5fr); gap: 16px 20px; margin-bottom: 0; }
.training-facts dt { font-size: 12px; }
.training-facts dd { font-weight: 600; }
.booking-panel { background: var(--surface); box-shadow: var(--shadow); }
.booking-panel p { overflow-wrap: anywhere; }
.booking-panel button, .booking-panel .button { width: 100%; margin: 10px 0; }

/* Training IA reader (training-ia.css keeps the layout). */
body .training-sidebar, body .training-source { border: 0; border-radius: var(--radius-panel); box-shadow: var(--shadow); }
button.training-copy { min-height: 44px; padding: 8px 16px; }

@media (prefers-reduced-motion: reduce) { .card { transition: none; } }
@media (max-width: 1000px) {
  header { gap: 20px; padding: 20px 32px; }
  .hero { gap: 28px; padding: 30px; grid-template-columns: minmax(0, 1fr) 220px; }
}
@media (max-width: 850px) {
  nav { flex: 0 0 100%; }
  .hero { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .card-top>.small { text-align: left; }
}
@media (max-width: 570px) {
  .dashboard-scroll-hint { display: block; }
  header { padding: 16px; gap: 14px; }
  body header > nav { gap: 4px; overflow-x: auto; flex-wrap: nowrap; scrollbar-width: thin; }
  nav a { white-space: nowrap; font-size: 12px; padding: 10px 12px; }
  .brand { font-size: 11px; }
  .brand-logo { width: 145px; }
  .brand-mark { font-size: 26px; }
  main { padding-top: 24px; }
  .hero { padding: 24px 20px; margin-bottom: 30px; border-radius: 22px; }
  h1 { font-size: 32px; }
  .card { padding: 22px; }
  .card-top { flex-wrap: wrap; }
  .card-top>.small { text-align: left; }
  .filters { padding: 16px; }
  .login-layout { gap: 30px; }
  .login-card { padding: 24px; }
  .detail-heading { padding: 20px; }
  .detail-heading h1 { font-size: 28px; letter-spacing: -.8px; }
  .panel { padding: 20px; }
  .empty { padding: 26px; }
  .training-facts { grid-template-columns: 1fr; gap: 4px; }
  .training-facts dd { margin-bottom: 14px; }
}