Verrouille chrono et cube au viewport mobile

styles.css

@@ -2131,3 +2131,192 @@ textarea:focus {
     justify-self: end;
   }
 }
+
+/* Lock chrono and cube to the visual viewport to avoid iOS bottom gaps. */
+body[data-page="chrono"],
+body[data-page="cube"] {
+  position: fixed;
+  inset: 0;
+  width: 100%;
+  min-height: var(--app-viewport-height, 100dvh);
+  height: var(--app-viewport-height, 100dvh);
+  max-height: var(--app-viewport-height, 100dvh);
+  overflow: hidden;
+  overscroll-behavior: none;
+}
+
+body[data-page="chrono"] .chrono-stage,
+body[data-page="cube"] .cube-shell {
+  position: absolute;
+  inset: 0;
+  width: 100%;
+  min-width: 0;
+  margin: 0;
+  min-height: 100%;
+  height: 100%;
+  max-height: 100%;
+  display: grid;
+  grid-template-rows: auto auto minmax(0, 1fr);
+  gap: 0.55rem;
+  padding:
+    calc(var(--phase-top-offset) + 0.55rem)
+    calc(var(--safe-right) + 0.5rem)
+    calc(var(--safe-bottom) + 0.55rem)
+    calc(var(--safe-left) + 0.5rem);
+  overflow: hidden;
+}
+
+body[data-page="chrono"] .faceoff-board,
+body[data-page="cube"] .faceoff-board {
+  min-height: 0;
+  height: 100%;
+  align-self: stretch;
+}
+
+body[data-page="chrono"] .status-strip {
+  flex: 0 0 auto;
+}
+
+body[data-page="chrono"] .player-zone,
+body[data-page="chrono"] .phase-spine {
+  min-height: 0;
+  display: flex;
+}
+
+body[data-page="chrono"] .zone-inner {
+  flex: 1 1 auto;
+  min-height: 0;
+  display: grid;
+  grid-template-rows: auto minmax(0, 1fr) auto;
+}
+
+body[data-page="chrono"] .zone-button {
+  min-height: 0;
+  height: 100%;
+  flex: 1 1 auto;
+}
+
+body[data-page="chrono"] .phase-spine {
+  align-items: stretch;
+}
+
+body[data-page="chrono"] .spine-button {
+  width: 100%;
+}
+
+@media (max-width: 900px) {
+  body[data-page="chrono"] .chrono-stage,
+  body[data-page="cube"] .cube-shell {
+    grid-template-rows: auto auto minmax(0, 1fr);
+    gap: 0.35rem;
+    padding:
+      calc(var(--phase-top-offset) + 0.45rem)
+      calc(var(--safe-right) + 0.45rem)
+      calc(var(--safe-bottom) + 0.45rem)
+      calc(var(--safe-left) + 0.45rem);
+  }
+
+  body[data-page="chrono"] .phase-header,
+  body[data-page="cube"] .phase-header {
+    grid-template-columns: minmax(0, 1fr) auto;
+    gap: 0.35rem;
+    padding: 0.5rem 0.55rem;
+  }
+
+  body[data-page="chrono"] .phase-title,
+  body[data-page="cube"] .phase-title {
+    display: none;
+  }
+
+  body[data-page="chrono"] .brand-link-logo,
+  body[data-page="cube"] .brand-link-logo {
+    justify-self: start;
+  }
+
+  body[data-page="chrono"] .utility-button,
+  body[data-page="cube"] .utility-button {
+    justify-self: end;
+  }
+
+  body[data-page="chrono"] .status-strip,
+  body[data-page="cube"] .status-strip {
+    gap: 0.3rem;
+  }
+
+  body[data-page="chrono"] .status-card,
+  body[data-page="cube"] .status-card {
+    min-height: 3rem;
+    padding: 0.3rem 0.2rem;
+    border-radius: 18px;
+  }
+
+  body[data-page="chrono"] .status-card span,
+  body[data-page="cube"] .status-card span {
+    font-size: 0.62rem;
+  }
+
+  body[data-page="chrono"] .status-card strong,
+  body[data-page="cube"] .status-card strong {
+    font-size: 0.9rem;
+  }
+
+  body[data-page="chrono"] .faceoff-board,
+  body[data-page="cube"] .faceoff-board {
+    grid-template-columns: 1fr;
+    grid-template-rows: minmax(0, 1fr) auto minmax(0, 1fr);
+    gap: 0.35rem;
+  }
+
+  body[data-page="chrono"] .phase-spine,
+  body[data-page="cube"] .phase-spine {
+    display: block;
+  }
+
+  body[data-page="chrono"] .phase-spine .spine-card,
+  body[data-page="cube"] .phase-spine .spine-card {
+    display: none;
+  }
+
+  body[data-page="chrono"] .zone-inner,
+  body[data-page="cube"] .zone-inner {
+    padding: 0.5rem;
+    gap: 0.4rem;
+    border-radius: 20px;
+  }
+
+  body[data-page="chrono"] .zone-head h2,
+  body[data-page="cube"] .zone-head h2 {
+    font-size: 0.92rem;
+  }
+
+  body[data-page="chrono"] .zone-stats strong,
+  body[data-page="cube"] .zone-stats strong {
+    font-size: 0.86rem;
+  }
+
+  body[data-page="chrono"] .zone-stats span,
+  body[data-page="cube"] .zone-stats span {
+    font-size: 0.72rem;
+  }
+
+  body[data-page="chrono"] .seat-tag,
+  body[data-page="cube"] .seat-tag {
+    padding: 0.22rem 0.55rem;
+    font-size: 0.62rem;
+  }
+
+  body[data-page="chrono"] .zone-button,
+  body[data-page="cube"] .zone-button {
+    padding: 0.75rem;
+    border-radius: 22px;
+    font-size: clamp(1.22rem, 7vw, 1.75rem);
+  }
+
+  body[data-page="chrono"] .spine-button,
+  body[data-page="cube"] .spine-button {
+    min-height: 2.7rem;
+    padding: 0.6rem;
+    border-radius: 18px;
+    font-size: 0.9rem;
+  }
+}