:root {
  --bleu-nuit: #102543;
  --bleu-arcavium: #2457a4;
  --bleu-clair: #98b5dc;
  --papier: #f7f4ee;
  --encre: #14233c;
  --bordure: rgba(16, 37, 67, .16);
  --rouge: #a12922;
  --vert: #1f7a49;
  --orange: #be4d2d;
  --sans: Arial, Helvetica, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--papier); }
body { margin: 0; min-width: 320px; background: var(--papier); color: var(--encre); font-family: var(--serif); }
a { color: var(--bleu-arcavium); }

.site-header {
  padding: 1rem clamp(1.2rem, 4vw, 4rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: var(--bleu-nuit);
  color: white;
}
.brand { display: flex; align-items: center; gap: .75rem; color: inherit; text-decoration: none; }
.mark { width: 2.7rem; height: 2.7rem; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.4); font-size: 2.2rem; line-height: 1; }
.brand small, .admin-label, .note, .status-grid, .migration-banner, .button, .admin-card, .mini-actions, code { font-family: var(--sans); }
.brand small { display: block; margin-bottom: .15rem; color: var(--bleu-clair); text-transform: uppercase; letter-spacing: .14em; font-size: .58rem; font-weight: 700; }
.brand strong { display: block; letter-spacing: .08em; font-family: var(--sans); font-weight: 300; }
.brand strong b { font-weight: 800; }
.header-meta { display: flex; align-items: center; gap: 1rem; }
.admin-label { margin: 0; text-align: right; text-transform: uppercase; letter-spacing: .13em; font-size: .66rem; line-height: 1.45; color: rgba(255,255,255,.86); }
.legacy-header-link { display: inline-flex; align-items: center; min-height: 2.35rem; padding: .5rem .72rem; border: 1px solid rgba(255,255,255,.45); color: white; font: 700 .72rem var(--sans); text-decoration: none; }
.legacy-header-link:hover { background: rgba(255,255,255,.08); }

.topnav { padding: .9rem clamp(1.2rem, 4vw, 4rem) .75rem; background: #0b1b31; border-top: 1px solid rgba(255,255,255,.11); border-bottom: 1px solid rgba(255,255,255,.08); }
.nav-primary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; max-width: 90rem; }
.nav-secondary { display: flex; flex-wrap: wrap; align-items: stretch; gap: .45rem; margin-top: .65rem; }
.nav-group { position: relative; font-family: var(--sans); }
.nav-group summary { list-style: none; cursor: pointer; user-select: none; }
.nav-group summary::-webkit-details-marker { display: none; }
.nav-primary .nav-group summary { display: flex; align-items: center; justify-content: space-between; min-height: 4rem; padding: .9rem 1rem; border: 1px solid rgba(255,255,255,.26); color: white; background: rgba(255,255,255,.08); font-size: .94rem; font-weight: 800; letter-spacing: .01em; }
.nav-primary .nav-group summary::after { content: "+"; font-size: 1.25rem; font-weight: 400; opacity: .8; }
.nav-primary .nav-group[open] summary::after { content: "−"; }
.nav-primary .nav-group[open] summary, .nav-primary .nav-group summary:hover { background: rgba(255,255,255,.15); }
.nav-secondary > a, .nav-secondary .nav-group summary { display: inline-flex; min-height: 2.55rem; align-items: center; justify-content: center; padding: .48rem .72rem; border: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.82); background: rgba(255,255,255,.025); font-family: var(--sans); font-size: .72rem; font-weight: 700; line-height: 1.1; text-decoration: none; white-space: nowrap; }
.nav-secondary > a, .nav-secondary > .nav-group { margin: 0; flex: 0 0 auto; align-self: stretch; box-sizing: border-box; }
.nav-secondary .nav-group { display: flex; align-items: stretch; }
.nav-secondary .nav-group summary { width: 100%; height: 100%; }
.nav-secondary .nav-group summary::after { content: " ▾"; opacity: .7; }
.nav-secondary > a:hover, .nav-secondary .nav-group[open] summary, .nav-secondary .nav-group summary:hover { background: rgba(255,255,255,.09); }
.nav-menu { position: absolute; z-index: 20; top: calc(100% + .35rem); left: 0; width: min(23rem, calc(100vw - 2rem)); padding: .45rem; background: white; border: 1px solid var(--bordure); box-shadow: 0 1rem 2.4rem rgba(0,0,0,.18); }
.nav-menu a { display: block; padding: .72rem .78rem; border: 0; border-bottom: 1px solid rgba(16,37,67,.08); background: white; color: var(--bleu-nuit); font-family: var(--sans); font-size: .82rem; font-weight: 700; text-decoration: none; }
.nav-menu a:last-child { border-bottom: 0; }
.nav-menu a:hover { background: #f3f6fb; }

main { padding: clamp(2rem, 6vw, 5rem) clamp(1.2rem, 7vw, 8rem); }
.panel, .block { background: white; border: 1px solid var(--bordure); padding: clamp(1.25rem, 3vw, 2rem); }
.block { margin-top: 1.25rem; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: .15em; font-family: var(--sans); font-size: .7rem; font-weight: 700; color: var(--bleu-arcavium); }
h1 { max-width: 13ch; margin: .65rem 0 1.1rem; font-size: clamp(2.7rem, 6vw, 6rem); line-height: .92; letter-spacing: -.045em; font-weight: 400; }
h2 { margin: .4rem 0 1rem; font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1; letter-spacing: -.03em; font-weight: 400; }
h3 { margin: 0 0 .65rem; color: var(--bleu-nuit); font-size: 1.25rem; }
p { line-height: 1.65; }
.lead { max-width: 72rem; color: #41516a; }
.note { color: #5c687a; font-size: .82rem; line-height: 1.55; }
code { padding: .12rem .28rem; background: #f3f6fb; border: 1px solid var(--bordure); font-size: .8em; }

.dashboard-main-choice { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.4rem; }
.dashboard-secondary-choice { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; margin-top: 1rem; }
.admin-card { min-height: 9rem; display: flex; flex-direction: column; justify-content: space-between; gap: 1.25rem; padding: 1.3rem; border: 1px solid var(--bordure); background: #fbfcfe; color: var(--bleu-nuit); text-decoration: none; }
.dashboard-main-choice .admin-card { min-height: 12rem; padding: 1.5rem; border-width: 2px; }
.admin-card strong { font-size: 1.05rem; }
.dashboard-main-choice .admin-card strong { font-size: 1.2rem; }
.admin-card span { color: #59677a; line-height: 1.55; font-size: .82rem; }
.admin-card:hover { border-color: rgba(36,87,164,.45); background: #f5f8fd; transform: translateY(-1px); }
.dashboard-section-title { margin: 1.7rem 0 .45rem; color: var(--bleu-nuit); font-family: var(--sans); font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; }
.admin-tools-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; align-items: stretch; margin-top: 1rem; }
.admin-tools-grid > .block { margin-top: 0; padding: 1rem; min-width: 0; }

.migration-banner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 1.2rem 0 1.5rem; padding: 1rem 1.1rem; border: 1px solid rgba(36,87,164,.24); border-left: 4px solid var(--bleu-arcavium); background: #f3f6fb; }
.migration-banner div { display: grid; gap: .2rem; }
.migration-banner strong { color: var(--bleu-nuit); }
.migration-banner span { color: #56657b; font-size: .8rem; }

.status-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin: 1.4rem 0; }
.status-card { display: grid; gap: .45rem; padding: 1rem; border: 1px solid var(--bordure); background: #f8fafc; }
.status-card span { color: #6b7788; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.status-card strong { color: var(--bleu-nuit); font-size: .95rem; }
.bridge-block { max-width: 70rem; }

.mini-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }
.mini-actions a, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.45rem; padding: .58rem .78rem; border: 1px solid var(--bordure); background: white; color: var(--bleu-arcavium); font-family: var(--sans); font-size: .78rem; font-weight: 800; text-decoration: none; }
.mini-actions a:hover, .button:hover { background: #f3f6fb; }
.mini-actions .primary-link { border-color: var(--bleu-arcavium); background: var(--bleu-arcavium); color: white; }
.mini-actions .primary-link:hover { background: #1e4a8b; }
.button.secondary { border-color: rgba(36,87,164,.28); }

.noscript { padding: 2rem; }

@media (max-width: 950px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .header-meta { width: 100%; justify-content: space-between; align-items: flex-end; }
  .admin-label { text-align: left; }
  .nav-primary, .dashboard-main-choice, .dashboard-secondary-choice { grid-template-columns: 1fr; }
  .nav-secondary { flex-direction: column; align-items: stretch; }
  .nav-secondary > a, .nav-secondary .nav-group { width: 100%; }
  .nav-secondary .nav-group summary { width: 100%; }
  .nav-menu { position: static; width: 100%; margin-top: .35rem; box-shadow: none; }
  .admin-tools-grid, .status-grid { grid-template-columns: 1fr; }
  .migration-banner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}