1

app/components/gallery/GalleryPageClient.tsx

@@ -0,0 +1,247 @@
+"use client";
+
+import { useState, useEffect } from "react";
+import { useTranslation } from "@/app/hooks/useTranslation";
+import ReadyToJoin from "./ReadyToJoin";
+
+const BASE = process.env.NEXT_PUBLIC_BASE_PATH || "";
+
+type EventItem = {
+  id: number;
+  title: string;
+  location: string;
+  date: string;
+  description: string;
+  images: string[];
+};
+
+export default function GalleryPageClient() {
+  const { gallery } = useTranslation();
+  
+  // Lightbox State
+  const [lightboxEventId, setLightboxEventId] = useState<number | null>(null);
+  const [lightboxImageIndex, setLightboxImageIndex] = useState<number | null>(null);
+
+  // Helper to format image source path
+  const getImgSrc = (src: string) => {
+    if (src.startsWith("http")) return src;
+    return `${BASE}${src}`;
+  };
+
+  // Keyboard navigation for Lightbox
+  useEffect(() => {
+    if (lightboxEventId === null || lightboxImageIndex === null) return;
+
+    const activeEvent = gallery.events.find((e: EventItem) => e.id === lightboxEventId);
+    if (!activeEvent) return;
+
+    const handleKeyDown = (e: KeyboardEvent) => {
+      if (e.key === "Escape") {
+        closeLightbox();
+      } else if (e.key === "ArrowRight") {
+        setLightboxImageIndex((prev) => (prev! + 1) % activeEvent.images.length);
+      } else if (e.key === "ArrowLeft") {
+        setLightboxImageIndex((prev) => (prev! - 1 + activeEvent.images.length) % activeEvent.images.length);
+      }
+    };
+
+    window.addEventListener("keydown", handleKeyDown);
+    return () => {
+      window.removeEventListener("keydown", handleKeyDown);
+    };
+  }, [lightboxEventId, lightboxImageIndex, gallery.events]);
+
+  const openLightbox = (eventId: number, imgIndex: number) => {
+    setLightboxEventId(eventId);
+    setLightboxImageIndex(imgIndex);
+    document.body.style.overflow = "hidden";
+  };
+
+  const closeLightbox = () => {
+    setLightboxEventId(null);
+    setLightboxImageIndex(null);
+    document.body.style.overflow = "";
+  };
+
+  // Find active lightbox image and event
+  const activeEvent = lightboxEventId !== null 
+    ? gallery.events.find((e: EventItem) => e.id === lightboxEventId)
+    : null;
+  const activeImage = activeEvent && lightboxImageIndex !== null
+    ? activeEvent.images[lightboxImageIndex]
+    : null;
+
+  return (
+    <main className="pt-16 lg:pt-20 min-h-screen bg-background text-on-surface">
+      {/* Hero Header */}
+      <section className="hero-glow py-20 lg:py-32 px-[var(--spacing-gutter)] text-center">
+        <div className="max-w-4xl mx-auto">
+          <span className="font-[var(--font-label-caps)] text-xs lg:text-sm text-primary block mb-4 lg:mb-6 tracking-[0.25em] uppercase">
+            {gallery.hero.eyebrow}
+          </span>
+          <h1 className="font-[var(--font-display-lg)] text-on-surface text-[clamp(2.5rem,6vw+1rem,5.5rem)] leading-none tracking-tight">
+            {gallery.hero.title}
+          </h1>
+          <p className="font-[var(--font-body-base)] text-on-surface-variant text-base lg:text-[20px] max-w-3xl mx-auto opacity-70 leading-relaxed mt-6">
+            {gallery.hero.description}
+          </p>
+        </div>
+      </section>
+
+      {/* Visual Gallery section */}
+      <section className="py-12 lg:py-20 px-[var(--spacing-gutter)] max-w-hd mx-auto">
+        <div className="flex flex-col gap-16 lg:gap-24">
+          {gallery.events.map((event: EventItem) => (
+            <div 
+              key={event.id}
+              className="glass-panel p-6 sm:p-8 lg:p-12 rounded-3xl border border-primary/20 hover:border-primary/40 shadow-xl transition-all duration-300"
+            >
+              {/* Event details */}
+              <div className="flex flex-col lg:flex-row lg:items-start lg:justify-between mb-8 gap-4">
+                <div className="max-w-2xl">
+                  <h2 className="text-xl sm:text-2xl lg:text-3xl font-[var(--font-display-lg)] text-primary mb-3">
+                    {event.title}
+                  </h2>
+                  <p className="text-sm sm:text-base text-on-surface-variant/80 leading-relaxed font-sans">
+                    {event.description}
+                  </p>
+                </div>
+                
+                {/* Meta details */}
+                <div className="flex flex-wrap items-center gap-4 lg:self-start lg:mt-2 text-xs uppercase tracking-wider text-on-surface-variant/60 font-[var(--font-label-caps)]">
+                  <div className="flex items-center gap-1.5 bg-surface-container-high px-3 py-1.5 rounded-lg border border-white/5">
+                    <span className="material-symbols-outlined text-base text-primary">location_on</span>
+                    <span>{event.location}</span>
+                  </div>
+                  <div className="flex items-center gap-1.5 bg-surface-container-high px-3 py-1.5 rounded-lg border border-white/5">
+                    <span className="material-symbols-outlined text-base text-primary">calendar_today</span>
+                    <span>{event.date}</span>
+                  </div>
+                </div>
+              </div>
+
+              {/* Collage gallery grid */}
+              <div className="grid grid-cols-1 md:grid-cols-3 gap-4 lg:gap-6">
+                {/* Large image (left) */}
+                <div 
+                  className="md:col-span-2 overflow-hidden rounded-2xl border border-white/10 group cursor-pointer relative h-[240px] sm:h-[320px] md:h-[360px]"
+                  onClick={() => openLightbox(event.id, 0)}
+                >
+                  {/* eslint-disable-next-line @next/next/no-img-element */}
+                  <img 
+                    src={getImgSrc(event.images[0])} 
+                    alt={`${event.title} Highlight 1`} 
+                    className="w-full h-full object-cover transition-transform duration-700 group-hover:scale-105"
+                    loading="lazy"
+                  />
+                  <div className="absolute inset-0 bg-black/40 opacity-0 group-hover:opacity-100 transition-opacity duration-300 flex items-center justify-center">
+                    <div className="w-12 h-12 rounded-full bg-primary/20 backdrop-blur-md flex items-center justify-center border border-primary/50 text-white">
+                      <span className="material-symbols-outlined text-2xl">zoom_in</span>
+                    </div>
+                  </div>
+                </div>
+
+                {/* Stacked images (right) */}
+                <div className="flex flex-col gap-4 lg:gap-6">
+                  {event.images.slice(1, 3).map((imgUrl, i) => (
+                    <div 
+                      key={i}
+                      className="flex-1 overflow-hidden rounded-2xl border border-white/10 group cursor-pointer relative h-[180px] sm:h-[220px] md:h-[168px] lg:h-[168px]"
+                      onClick={() => openLightbox(event.id, i + 1)}
+                    >
+                      {/* eslint-disable-next-line @next/next/no-img-element */}
+                      <img 
+                        src={getImgSrc(imgUrl)} 
+                        alt={`${event.title} Highlight ${i + 2}`} 
+                        className="w-full h-full object-cover transition-transform duration-700 group-hover:scale-105"
+                        loading="lazy"
+                      />
+                      <div className="absolute inset-0 bg-black/40 opacity-0 group-hover:opacity-100 transition-opacity duration-300 flex items-center justify-center">
+                        <div className="w-10 h-10 rounded-full bg-primary/20 backdrop-blur-md flex items-center justify-center border border-primary/50 text-white">
+                          <span className="material-symbols-outlined text-xl">zoom_in</span>
+                        </div>
+                      </div>
+                    </div>
+                  ))}
+                </div>
+              </div>
+            </div>
+          ))}
+        </div>
+      </section>
+
+      {/* Invitation Section */}
+      <ReadyToJoin data={gallery.join} />
+
+      {/* Lightbox Overlay */}
+      {lightboxEventId !== null && lightboxImageIndex !== null && activeEvent && activeImage && (
+        <div 
+          className="fixed inset-0 z-[100] flex flex-col justify-center items-center bg-black/95 backdrop-blur-md transition-opacity duration-300"
+          onClick={closeLightbox}
+        >
+          {/* Close button */}
+          <button 
+            type="button" 
+            className="absolute top-6 right-6 text-white/70 hover:text-white transition-colors p-2 z-[110]"
+            onClick={closeLightbox}
+            aria-label="Close Lightbox"
+          >
+            <span className="material-symbols-outlined text-4xl">close</span>
+          </button>
+
+          {/* Lightbox content container */}
+          <div 
+            className="relative flex items-center justify-between w-full max-w-6xl px-4 md:px-12 h-[60vh] sm:h-[70vh] md:h-[80vh]"
+            onClick={(e) => e.stopPropagation()}
+          >
+            {/* Prev arrow */}
+            <button 
+              type="button"
+              className="w-12 h-12 md:w-16 md:h-16 rounded-full bg-white/5 hover:bg-white/10 border border-white/10 text-white flex items-center justify-center transition-colors mr-2 active:scale-95"
+              onClick={() => setLightboxImageIndex((prev) => (prev! - 1 + activeEvent.images.length) % activeEvent.images.length)}
+              aria-label="Previous Image"
+            >
+              <span className="material-symbols-outlined text-2xl md:text-3xl">chevron_left</span>
+            </button>
+
+            {/* Active Image */}
+            <div className="flex-1 flex items-center justify-center h-full relative overflow-hidden select-none px-4">
+              {/* eslint-disable-next-line @next/next/no-img-element */}
+              <img 
+                src={getImgSrc(activeImage)} 
+                alt={`${activeEvent.title} Full Highlight`}
+                className="max-w-full max-h-full object-contain rounded-lg border border-white/5 shadow-2xl transition-all duration-300 animate-in fade-in zoom-in-95 duration-200"
+              />
+            </div>
+
+            {/* Next arrow */}
+            <button 
+              type="button"
+              className="w-12 h-12 md:w-16 md:h-16 rounded-full bg-white/5 hover:bg-white/10 border border-white/10 text-white flex items-center justify-center transition-colors ml-2 active:scale-95"
+              onClick={() => setLightboxImageIndex((prev) => (prev! + 1) % activeEvent.images.length)}
+              aria-label="Next Image"
+            >
+              <span className="material-symbols-outlined text-2xl md:text-3xl">chevron_right</span>
+            </button>
+          </div>
+
+          {/* Info bar below image */}
+          <div 
+            className="text-center mt-6 px-6 max-w-2xl select-none"
+            onClick={(e) => e.stopPropagation()}
+          >
+            <h3 className="font-[var(--font-display-lg)] text-primary text-base sm:text-lg mb-1.5">
+              {activeEvent.title}
+            </h3>
+            <p className="text-on-surface-variant/60 text-xs sm:text-sm uppercase tracking-wider font-[var(--font-label-caps)]">
+              {useTranslation().lang === "vi" 
+                ? `Hình ảnh ${lightboxImageIndex + 1} trên ${activeEvent.images.length}`
+                : `Image ${lightboxImageIndex + 1} of ${activeEvent.images.length}`
+              }
+            </p>
+          </div>
+        </div>
+      )}
+    </main>
+  );
+}

app/components/gallery/ReadyToJoin.tsx

@@ -0,0 +1,57 @@
+"use client";
+
+import Link from "next/link";
+
+type Props = {
+  data: {
+    title: string;
+    description: string;
+    registerBtn: string;
+    viewMembersBtn: string;
+  };
+};
+
+export default function ReadyToJoin({ data }: Props) {
+  return (
+    <section className="py-[var(--spacing-section-gap)] relative px-[var(--spacing-gutter)] max-w-hd mx-auto">
+      <div className="max-w-5xl mx-auto glass-panel gold-border p-8 sm:p-12 lg:p-20 rounded-[2.5rem] lg:rounded-[4rem] overflow-hidden relative shadow-2xl">
+        {/* Background Decor */}
+        <div className="absolute top-0 right-0 w-1/2 h-full bg-gradient-to-l from-primary/5 to-transparent pointer-events-none" />
+        <div className="absolute -bottom-24 -right-24 w-96 h-96 bg-primary/10 blur-[120px] rounded-full pointer-events-none" />
+        <div className="absolute -top-24 -left-24 w-96 h-96 bg-primary/5 blur-[120px] rounded-full pointer-events-none" />
+
+        <div className="relative z-10 text-center space-y-6 sm:space-y-8">
+          {/* Title */}
+          <h2 className="font-[var(--font-display-lg)] text-[clamp(1.75rem,3.5vw,3rem)] text-on-surface mb-4 leading-[1.1] tracking-tight">
+            {data.title}
+          </h2>
+
+          {/* Description */}
+          <p className="font-[var(--font-body-base)] text-sm sm:text-base lg:text-[18px] text-on-surface-variant max-w-3xl mx-auto leading-relaxed opacity-80">
+            {data.description}
+          </p>
+
+          {/* Call-to-Action Buttons */}
+          <div className="flex flex-col sm:flex-row justify-center items-center gap-4 sm:gap-6 pt-4">
+            <Link
+              href="/registration"
+              className="w-full sm:w-auto inline-flex items-center justify-center gap-2 gold-gradient-bg text-on-primary px-8 lg:px-10 py-4 rounded-xl font-bold uppercase tracking-widest text-xs lg:text-sm shadow-2xl shadow-primary/20 hover:shadow-primary/40 hover:scale-105 active:scale-95 transition-all duration-300 group"
+            >
+              <span>{data.registerBtn}</span>
+              <span className="material-symbols-outlined group-hover:translate-x-1.5 transition-transform text-lg">
+                arrow_forward
+              </span>
+            </Link>
+            
+            <Link
+              href="/registration#members"
+              className="w-full sm:w-auto inline-flex items-center justify-center gap-2 bg-surface-container-high hover:bg-surface-container-highest border border-white/10 hover:border-primary/40 text-on-surface-variant px-8 lg:px-10 py-4 rounded-xl font-bold uppercase tracking-widest text-xs lg:text-sm hover:scale-105 active:scale-95 transition-all duration-300"
+            >
+              <span>{data.viewMembersBtn}</span>
+            </Link>
+          </div>
+        </div>
+      </div>
+    </section>
+  );
+}

app/components/home/GallerySection.tsx

@@ -1,5 +1,8 @@
 "use client";
 
+import Link from "next/link";
+import { useTranslation } from "@/app/hooks/useTranslation";
+
 const BASE = process.env.NEXT_PUBLIC_BASE_PATH || "";
 
 type GalleryItem = {
@@ -32,6 +35,10 @@ const heightClass: Record<string, string> = {
 };
 
 export default function GallerySection({ data }: Props) {
+  const { lang } = useTranslation();
+  const isVi = lang === "vi";
+  const btnLabel = isVi ? "Xem Toàn Bộ Thư Viện" : "View Full Event Gallery";
+
   return (
     <section
       className="py-16 lg:py-32 max-w-hd mx-auto px-[var(--spacing-gutter)]"
@@ -52,7 +59,7 @@ export default function GallerySection({ data }: Props) {
 
       {/* Grid masonry-style */}
       <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4 lg:gap-6">
-        {data.items.map((item, i) => (
+        {data.items.slice(0, 6).map((item, i) => (
           <div
             key={i}
             className={[
@@ -75,6 +82,17 @@ export default function GallerySection({ data }: Props) {
           </div>
         ))}
       </div>
+
+      {/* Button to full gallery */}
+      <div className="flex justify-center mt-12 lg:mt-16">
+        <Link
+          href="/gallery"
+          className="inline-flex items-center gap-2 gold-gradient-bg text-on-primary px-8 py-4 font-[var(--font-body-base)] text-sm lg:text-base font-bold uppercase tracking-wider rounded-xl hover:scale-105 active:scale-95 transition-all duration-300 shadow-xl shadow-primary/20 hover:shadow-primary/30"
+        >
+          <span>{btnLabel}</span>
+          <span className="material-symbols-outlined text-sm font-bold">arrow_forward</span>
+        </Link>
+      </div>
     </section>
   );
 }