:root{--lba-marine: #204899;--lba-marine-2: #2C58B0;--lba-rouge: #e30613;--lba-or: #c7974f;--lba-prisma: #B8960C;--lba-cream: #F8F4EC;--lba-bleu-clair: #D6E4F0;--lba-gris-clair: #F2F2F2;--lba-gris-mid: #706f6f;--lba-vert-ok: #2E7D32;--bg-primary: #FFFFFF;--bg-secondary: var(--lba-gris-clair);--text-primary: var(--lba-marine);--text-secondary: #5C6B82;--border-color: var(--lba-bleu-clair);--font-sans: "Inter", system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans)}.app-shell{position:relative;height:100vh;overflow:hidden}.app-shell__bg-video{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0}.auth-gate{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:12px;text-align:center}.auth-gate__link{padding:8px 16px;border-radius:8px;background:var(--lba-marine);color:#fff;text-decoration:none;font-weight:600}