diff --git a/app/static/app.css b/app/static/app.css
index 29341c9..643208c 100644
--- a/app/static/app.css
+++ b/app/static/app.css
@@ -20,7 +20,7 @@ code { background: #e8eef7; padding: .1rem .4rem; border-radius: 4px; font-size:
 
 /* ── Header ─────────────────────────────────────────────────────── */
 header { background: var(--blue-dark); color: #fff; }
-.header-inner { max-width: 1100px; margin: 0 auto; padding: .8rem 1.5rem; display: flex; align-items: center; gap: 1.5rem; }
+.header-inner { max-width: 1400px; margin: 0 auto; padding: .8rem 1.5rem; display: flex; align-items: center; gap: 1.5rem; }
 
 .brand { display: flex; align-items: center; gap: .6rem; color: #fff; font-size: 1.1rem; text-decoration: none; white-space: nowrap; }
 .brand strong { font-weight: 800; }
@@ -50,7 +50,7 @@ header { background: var(--blue-dark); color: #fff; }
 .btn-logout-icon:hover { background: rgba(255,255,255,.15); color: #fff; text-decoration: none; }
 
 /* ── Mise en page ─────────────────────────────────────────────── */
-main { max-width: 1100px; margin: 2rem auto; padding: 0 1.5rem 3rem; display: flex; flex-direction: column; gap: 1.5rem; }
+main { max-width: 1400px; margin: 2rem auto; padding: 0 1.5rem 3rem; display: flex; flex-direction: column; gap: 1.5rem; }
 
 /* ── Carte générique ──────────────────────────────────────────── */
 .card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem 1.8rem; }
@@ -265,7 +265,7 @@ main { max-width: 1100px; margin: 2rem auto; padding: 0 1.5rem 3rem; display: fl
 
 /* ── Footer ─────────────────────────────────────────────────────────── */
 footer { background: var(--blue-dark); color: rgba(255,255,255,.6); margin-top: auto; }
-.footer-inner { max-width: 1100px; margin: 0 auto; padding: .9rem 1.5rem;
+.footer-inner { max-width: 1400px; margin: 0 auto; padding: .9rem 1.5rem;
                 display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
 .footer-brand { display: flex; align-items: center; gap: .45rem; color: rgba(255,255,255,.85);
                 font-size: .88rem; text-decoration: none; }