+
+
+ {/* ── Desktop / Tablet landscape (≥1024px): 3 columns ── */}
+
+
+
+
+
+
+ {/* ── Tablet portrait (768px–1023px): left + center, right hidden ── */}
+
+
+
+
+
+ {/* ── Mobile (<768px): single panel + bottom tab bar ── */}
+
+
+ {/* ── Mobile bottom tab bar ── */}
+
+
+ {/* ── Tablet portrait: style panel button (floating) ── */}
+
+
+
+
+