diff --git a/calendario.html b/calendario.html
index 3be415c..ab53c4d 100644
--- a/calendario.html
+++ b/calendario.html
@@ -1118,6 +1118,38 @@
             setTimeout(() => modal.style.display = 'none', 300);
         }
 
+        // --- Gesto de deslizar hacia la derecha para volver al calendario (como en iOS) ---
+        (function initServiceModalSwipeBack() {
+            const modalEl = document.getElementById('serviceModal');
+            if (!modalEl) return;
+            let swipeStartX = 0, swipeStartY = 0, swipeTracking = false;
+            const EDGE_ZONE = 35; // px desde el borde izquierdo donde debe empezar el gesto
+            const SWIPE_THRESHOLD = 90; // px minimos de desplazamiento horizontal para considerar 'volver'
+
+            modalEl.addEventListener('touchstart', (e) => {
+                if (!e.touches || e.touches.length !== 1) return;
+                const t = e.touches[0];
+                if (t.clientX <= EDGE_ZONE) {
+                    swipeStartX = t.clientX;
+                    swipeStartY = t.clientY;
+                    swipeTracking = true;
+                } else {
+                    swipeTracking = false;
+                }
+            }, { passive: true });
+
+            modalEl.addEventListener('touchend', (e) => {
+                if (!swipeTracking) return;
+                swipeTracking = false;
+                const t = e.changedTouches[0];
+                const dx = t.clientX - swipeStartX;
+                const dy = t.clientY - swipeStartY;
+                if (dx > SWIPE_THRESHOLD && Math.abs(dy) < 60) {
+                    closeModal();
+                }
+            }, { passive: true });
+        })();
+
         // ==========================================
         // 🧾 PARTE DE TRABAJO (texto con IA + firma táctil + PDF + envío WhatsApp)
         // ==========================================