Add left/right/up drag swipes on dating match cards.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/app/globals.css

@@ -10457,6 +10457,93 @@ img { max-width: 100%; display: block; }
   text-align: center;
 }
 
+.dating-deck {
+  position: relative;
+  max-width: 420px;
+  margin: 0 auto;
+  min-height: 360px;
+  touch-action: none;
+  user-select: none;
+}
+
+.dating-card-next {
+  position: absolute;
+  inset: 0;
+  transform: scale(0.96);
+  opacity: 0.55;
+  pointer-events: none;
+  z-index: 0;
+}
+
+.dating-card-top {
+  position: relative;
+  z-index: 1;
+  cursor: grab;
+  will-change: transform;
+}
+
+.dating-card-top.dragging {
+  cursor: grabbing;
+}
+
+.dating-card-top.fly-left {
+  animation: dating-fly-left 0.22s ease-in forwards;
+}
+.dating-card-top.fly-right {
+  animation: dating-fly-right 0.22s ease-in forwards;
+}
+.dating-card-top.fly-up {
+  animation: dating-fly-up 0.22s ease-in forwards;
+}
+
+@keyframes dating-fly-left {
+  to { transform: translate(-140%, 20px) rotate(-18deg); opacity: 0; }
+}
+@keyframes dating-fly-right {
+  to { transform: translate(140%, 20px) rotate(18deg); opacity: 0; }
+}
+@keyframes dating-fly-up {
+  to { transform: translate(0, -140%) rotate(-4deg); opacity: 0; }
+}
+
+.dating-stamp {
+  position: absolute;
+  top: 24px;
+  padding: 6px 12px;
+  border: 3px solid;
+  border-radius: 8px;
+  font-weight: 800;
+  letter-spacing: 0.08em;
+  pointer-events: none;
+  z-index: 2;
+}
+.dating-stamp.like {
+  left: 18px;
+  color: #3dd68c;
+  border-color: #3dd68c;
+  transform: rotate(-12deg);
+}
+.dating-stamp.nope {
+  right: 18px;
+  color: #ff6b6b;
+  border-color: #ff6b6b;
+  transform: rotate(12deg);
+}
+.dating-stamp.super {
+  left: 50%;
+  top: 18px;
+  transform: translateX(-50%) rotate(-6deg);
+  color: #ffe66d;
+  border-color: #ffe66d;
+}
+
+.dating-swipe-hint {
+  text-align: center;
+  color: var(--text-muted);
+  font-size: 0.85rem;
+  margin: 0.25rem 0 0.75rem;
+}
+
 .dating-card-photo {
   font-size: 4rem;
   margin-bottom: 12px;

frontend/src/components/DatingClient.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useCallback, useEffect, useMemo, useState } from "react";
+import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import Link from "next/link";
 import { useRouter } from "next/navigation";
 import { api } from "@/lib/api";
@@ -11,6 +11,9 @@ import type { MatchIntent, MatchProfile, MatchQuota } from "@/lib/types";
 import RingNext from "@/components/RingNext";
 import { useRingSteps } from "@/lib/rings";
 
+const SWIPE_THRESHOLD = 110;
+const SUPER_THRESHOLD = -120;
+
 export default function DatingClient() {
   const { user, token } = useAuth();
   const router = useRouter();
@@ -25,6 +28,11 @@ export default function DatingClient() {
   const [joined, setJoined] = useState(false);
   const [error, setError] = useState("");
   const [matchModal, setMatchModal] = useState<{ conversationId?: string; name: string } | null>(null);
+  const [drag, setDrag] = useState({ x: 0, y: 0, active: false, flying: "" });
+  const startRef = useRef<{ x: number; y: number } | null>(null);
+  const dragRef = useRef({ x: 0, y: 0 });
+  const swipingRef = useRef(false);
+  const cardRef = useRef<HTMLDivElement | null>(null);
 
   const intents = useMemo(
     () =>
@@ -39,6 +47,7 @@ export default function DatingClient() {
     [t]
   );
   const primary = intents.slice(0, 3);
+  const quotaBlocked = Boolean(quota && !quota.vip && quota.remaining <= 0);
 
   const ensureJoined = useCallback(async () => {
     if (!token) return;
@@ -49,7 +58,7 @@ export default function DatingClient() {
         bio: t.dating.defaultBio,
       });
     } catch {
-      // Profile may already exist — continue to candidates.
+      // Profile may already exist.
     }
   }, [token, intent, t]);
 
@@ -69,6 +78,7 @@ export default function DatingClient() {
       setDeck(Array.isArray(candidates) ? candidates : []);
       setQuota(q);
       setJoined(true);
+      setDrag({ x: 0, y: 0, active: false, flying: "" });
     } catch (err) {
       const msg = err instanceof Error ? err.message : String(err);
       setError(msg);
@@ -109,23 +119,84 @@ export default function DatingClient() {
     }
   };
 
-  const swipe = async (action: "like" | "dislike" | "superlike") => {
+  const swipe = useCallback(
-    if (!token || !deck[0]) return;
+    async (action: "like" | "dislike" | "superlike") => {
+      if (!token || !deck[0] || swipingRef.current || quotaBlocked) return;
+      swipingRef.current = true;
       const current = deck[0];
+      const fly = action === "like" ? "right" : action === "dislike" ? "left" : "up";
+      setDrag({ x: 0, y: 0, active: false, flying: fly });
       try {
         const res = await api.swipe(token, current.id, action, intent);
         if (res.matched && res.match?.conversationId) {
           setMatchModal({ conversationId: res.match.conversationId, name: current.name });
         }
+        window.setTimeout(() => {
           setDeck((d) => d.slice(1));
+          setDrag({ x: 0, y: 0, active: false, flying: "" });
+          swipingRef.current = false;
+        }, 220);
         const q = await api.getMatchQuota(token);
         setQuota(q);
       } catch {
+        setDrag({ x: 0, y: 0, active: false, flying: "" });
+        swipingRef.current = false;
         toast(t.dating.swipeFail, "error");
       }
+    },
+    [token, deck, intent, quotaBlocked, toast, t]
+  );
+
+  const onPointerDown = (e: React.PointerEvent) => {
+    if (quotaBlocked || swipingRef.current) return;
+    const target = e.target as HTMLElement;
+    if (target.closest("button,a,input")) return;
+    startRef.current = { x: e.clientX, y: e.clientY };
+    dragRef.current = { x: 0, y: 0 };
+    setDrag({ x: 0, y: 0, active: true, flying: "" });
+    cardRef.current?.setPointerCapture(e.pointerId);
   };
 
+  const onPointerMove = (e: React.PointerEvent) => {
+    if (!startRef.current || !drag.active) return;
+    const x = e.clientX - startRef.current.x;
+    const y = e.clientY - startRef.current.y;
+    dragRef.current = { x, y };
+    setDrag({ x, y, active: true, flying: "" });
+  };
+
+  const endDrag = () => {
+    if (!startRef.current) return;
+    const { x, y } = dragRef.current;
+    startRef.current = null;
+    if (Math.abs(x) > SWIPE_THRESHOLD) {
+      void swipe(x > 0 ? "like" : "dislike");
+      return;
+    }
+    if (y < SUPER_THRESHOLD) {
+      void swipe("superlike");
+      return;
+    }
+    setDrag({ x: 0, y: 0, active: false, flying: "" });
+  };
+
+  useEffect(() => {
+    const onKey = (e: KeyboardEvent) => {
+      if (!deck[0] || matchModal || quotaBlocked) return;
+      if (e.key === "ArrowLeft") void swipe("dislike");
+      if (e.key === "ArrowRight") void swipe("like");
+      if (e.key === "ArrowUp") void swipe("superlike");
+    };
+    window.addEventListener("keydown", onKey);
+    return () => window.removeEventListener("keydown", onKey);
+  }, [deck, matchModal, quotaBlocked, swipe]);
+
   const top = deck[0];
+  const next = deck[1];
+  const rotate = drag.x * 0.06;
+  const likeOpacity = Math.min(1, Math.max(0, drag.x / SWIPE_THRESHOLD));
+  const nopeOpacity = Math.min(1, Math.max(0, -drag.x / SWIPE_THRESHOLD));
+  const superOpacity = Math.min(1, Math.max(0, -drag.y / Math.abs(SUPER_THRESHOLD)));
 
   if (!user) {
     return (
@@ -219,7 +290,40 @@ export default function DatingClient() {
         )}
 
         {top && (
-          <div className="dating-card reveal">
+          <>
+            <p className="dating-swipe-hint reveal">{t.dating.swipeHint}</p>
+            <div className="dating-deck reveal">
+              {next && (
+                <div className="dating-card dating-card-next" aria-hidden>
+                  <div className="dating-card-photo">{next.photo || "🧑‍💻"}</div>
+                  <h2>{next.name}</h2>
+                </div>
+              )}
+              <div
+                ref={cardRef}
+                className={`dating-card dating-card-top${drag.active ? " dragging" : ""}${drag.flying ? ` fly-${drag.flying}` : ""}`}
+                style={
+                  drag.flying
+                    ? undefined
+                    : {
+                        transform: `translate(${drag.x}px, ${drag.y}px) rotate(${rotate}deg)`,
+                        transition: drag.active ? "none" : "transform 0.25s ease",
+                      }
+                }
+                onPointerDown={onPointerDown}
+                onPointerMove={onPointerMove}
+                onPointerUp={endDrag}
+                onPointerCancel={endDrag}
+              >
+                <span className="dating-stamp like" style={{ opacity: likeOpacity }}>
+                  LIKE
+                </span>
+                <span className="dating-stamp nope" style={{ opacity: nopeOpacity }}>
+                  NOPE
+                </span>
+                <span className="dating-stamp super" style={{ opacity: superOpacity }}>
+                  SUPER
+                </span>
                 <div className="dating-card-photo">{top.photo || "🧑‍💻"}</div>
                 <h2>{top.name}</h2>
                 <p className="dating-meta">
@@ -233,12 +337,15 @@ export default function DatingClient() {
                     </span>
                   ))}
                 </div>
-            <div className="dating-actions">
+              </div>
+            </div>
+            <div className="dating-actions reveal">
               <button
                 type="button"
                 className="dating-btn pass"
                 onClick={() => void swipe("dislike")}
-                disabled={Boolean(quota && !quota.vip && quota.remaining <= 0)}
+                disabled={quotaBlocked}
+                aria-label={t.dating.swipeLeft}
               >
                 ✕
               </button>
@@ -246,7 +353,8 @@ export default function DatingClient() {
                 type="button"
                 className="dating-btn super"
                 onClick={() => void swipe("superlike")}
-                disabled={Boolean(quota && !quota.vip && quota.remaining <= 0)}
+                disabled={quotaBlocked}
+                aria-label={t.dating.swipeUp}
               >
                 ⭐
               </button>
@@ -254,7 +362,8 @@ export default function DatingClient() {
                 type="button"
                 className="dating-btn like"
                 onClick={() => void swipe("like")}
-                disabled={Boolean(quota && !quota.vip && quota.remaining <= 0)}
+                disabled={quotaBlocked}
+                aria-label={t.dating.swipeRight}
               >
                 ♥
               </button>
@@ -269,7 +378,7 @@ export default function DatingClient() {
                 </button>
               )}
             </div>
-          </div>
+          </>
         )}
 
         {!loading && joined && !top && (

frontend/src/lib/i18n/dictionaries.ts

@@ -448,6 +448,10 @@ export const zh = {
     openVip: "开通 VIP",
     defaultCity: "全球",
     defaultBio: "nomadro 游民",
+    swipeHint: "← 左滑跳过 · 右滑喜欢 → · 上滑超级喜欢（也可点按钮 / 方向键）",
+    swipeLeft: "跳过",
+    swipeRight: "喜欢",
+    swipeUp: "超级喜欢",
   },
   chat: {
     tag: "✉️ MESSAGES",
@@ -1704,6 +1708,10 @@ export const en: { [K in keyof typeof zh]: typeof zh[K] extends string ? string
     openVip: "Get VIP",
     defaultCity: "Global",
     defaultBio: "nomadro nomad",
+    swipeHint: "← Swipe left to pass · right to like → · up for superlike (or use buttons / arrows)",
+    swipeLeft: "Pass",
+    swipeRight: "Like",
+    swipeUp: "Super like",
   },
   chat: {
     tag: "✉️ MESSAGES",