feat: redesign drop zone with glassmorphism card and ambient animations

Floating gradient blobs drift slowly behind a frosted glass card.
Icon continuously floats up/down, pills stagger in on mount, card
and icon glow pink on drag. Scales cleanly across all device sizes.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/DropZone.tsx

@@ -15,7 +15,16 @@ interface DropZoneProps {
   onBrowse: () => void;
 }
 
-const WORDS = ["Drop", "files", "here"];
+const FORMAT_PILLS = [
+  { label: "JPG", color: "bg-pink/10 text-pink" },
+  { label: "PDF", color: "bg-orange/10 text-orange" },
+  { label: "MP4", color: "bg-purple/10 text-purple" },
+  { label: "MP3", color: "bg-blue/10 text-blue" },
+  { label: "SVG", color: "bg-teal/10 text-teal" },
+  { label: "CSV", color: "bg-mint/10 text-mint" },
+  { label: "DOCX", color: "bg-orange/10 text-orange" },
+  { label: "+60", color: "bg-[#f0ede8] text-text-light" },
+];
 
 export function DropZone({
   isDragging,
@@ -27,59 +36,160 @@ export function DropZone({
 }: DropZoneProps) {
   return (
     <div
-      className="flex min-h-full w-full flex-col items-center justify-center px-6 py-10 select-none"
+      className="relative flex min-h-full w-full items-center justify-center overflow-hidden px-5 py-10"
       style={{ minHeight: "100%" }}
       onDragEnter={onDragEnter}
       onDragLeave={onDragLeave}
       onDragOver={onDragOver}
       onDrop={onDrop}
     >
-      {/* Poster headline */}
+      {/* Animated ambient blobs */}
-      <div className="flex flex-col items-center leading-none mb-10">
-        {WORDS.map((word, i) => (
-          <motion.span
-            key={word}
-            className="font-serif font-extrabold tracking-tight block"
-            style={{ fontSize: "clamp(3.5rem, 16vw, 14rem)" }}
-            initial={{ opacity: 0, y: 24 }}
-            animate={{
-              opacity: 1,
-              y: 0,
-              color: isDragging ? "#f472b6" : "#2d1f14",
-            }}
-            transition={{
-              opacity: { duration: 0.5, delay: i * 0.07, ease: [0.16, 1, 0.3, 1] },
-              y: { duration: 0.5, delay: i * 0.07, ease: [0.16, 1, 0.3, 1] },
-              color: { duration: 0.3 },
-            }}
-          >
-            {word}
-          </motion.span>
-        ))}
-      </div>
-
-      {/* Browse button — small and understated */}
       <motion.div
-        initial={{ opacity: 0, y: 8 }}
+        className="pointer-events-none absolute -top-1/3 -left-1/4 w-3/4 h-3/4 rounded-full bg-pink/[0.13] blur-[90px]"
-        animate={{ opacity: 1, y: 0 }}
+        animate={{ x: [0, 25, 0], y: [0, -18, 0] }}
-        transition={{ duration: 0.4, delay: 0.28, ease: [0.16, 1, 0.3, 1] }}
+        transition={{ duration: 9, repeat: Infinity, ease: "easeInOut" }}
-        className="flex flex-col items-center gap-4"
+      />
+      <motion.div
+        className="pointer-events-none absolute -bottom-1/3 -right-1/4 w-3/4 h-3/4 rounded-full bg-purple/[0.10] blur-[90px]"
+        animate={{ x: [0, -25, 0], y: [0, 18, 0] }}
+        transition={{ duration: 11, repeat: Infinity, ease: "easeInOut" }}
+      />
+      <motion.div
+        className="pointer-events-none absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-1/2 h-1/2 rounded-full bg-orange/[0.06] blur-[70px]"
+        animate={{ scale: [1, 1.25, 1] }}
+        transition={{ duration: 7, repeat: Infinity, ease: "easeInOut" }}
+      />
+
+      {/* Glass card */}
+      <motion.div
+        className="relative z-10 w-full max-w-sm flex flex-col items-center gap-5 sm:gap-6 px-7 sm:px-10 py-8 sm:py-10 text-center rounded-3xl backdrop-blur-2xl"
+        style={{
+          background: isDragging
+            ? "rgba(255,255,255,0.82)"
+            : "rgba(255,255,255,0.72)",
+          border: isDragging
+            ? "1px solid rgba(244,114,182,0.35)"
+            : "1px solid rgba(255,255,255,0.9)",
+          boxShadow: isDragging
+            ? "0 0 0 5px rgba(244,114,182,0.08), 0 16px 56px rgba(244,114,182,0.14)"
+            : "0 8px 48px rgba(45,31,20,0.10), 0 1px 0 rgba(255,255,255,0.8) inset",
+        }}
+        initial={{ opacity: 0, y: 28, scale: 0.94 }}
+        animate={{ opacity: 1, y: 0, scale: 1 }}
+        transition={{ duration: 0.55, ease: [0.16, 1, 0.3, 1] }}
       >
+        {/* Floating icon */}
+        <motion.div
+          className="flex items-center justify-center w-[68px] h-[68px] sm:w-20 sm:h-20 rounded-2xl flex-shrink-0"
+          style={{
+            background: isDragging
+              ? "linear-gradient(135deg, #f472b6 0%, #a78bfa 100%)"
+              : "linear-gradient(135deg, #f9a8d4 0%, #c4b5fd 100%)",
+            boxShadow: isDragging
+              ? "0 0 0 8px rgba(244,114,182,0.14), 0 14px 40px rgba(244,114,182,0.45)"
+              : "0 8px 32px rgba(244,114,182,0.28)",
+          }}
+          animate={
+            isDragging
+              ? { y: -10, rotate: -5, scale: 1.1 }
+              : { y: [0, -8, 0] }
+          }
+          transition={
+            isDragging
+              ? { type: "spring", stiffness: 280, damping: 18 }
+              : { duration: 3, repeat: Infinity, ease: "easeInOut" }
+          }
+        >
+          <svg width="30" height="30" viewBox="0 0 48 48" fill="none" className="sm:w-9 sm:h-9">
+            <path
+              d="M24 32V12M24 12L16 20M24 12L32 20"
+              stroke="white"
+              strokeWidth="2.8"
+              strokeLinecap="round"
+              strokeLinejoin="round"
+            />
+            <path
+              d="M8 28v8a4 4 0 004 4h24a4 4 0 004-4v-8"
+              stroke="white"
+              strokeWidth="2.8"
+              strokeLinecap="round"
+              strokeLinejoin="round"
+            />
+          </svg>
+        </motion.div>
+
+        {/* Heading + subtitle */}
+        <motion.div
+          initial={{ opacity: 0, y: 10 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ duration: 0.45, delay: 0.1, ease: [0.16, 1, 0.3, 1] }}
+        >
+          <h2 className="font-serif text-[1.65rem] sm:text-[2rem] font-extrabold text-text-dark tracking-tight mb-1.5 leading-tight">
+            {isDragging ? "Release to add" : "Drop files here"}
+          </h2>
+          <p className="text-text-mid text-sm leading-relaxed">
+            {isDragging
+              ? "Your files are ready for transformation"
+              : "Images, documents, audio, video, data"}
+          </p>
+        </motion.div>
+
+        {/* Format pills */}
+        {!isDragging && (
+          <div className="flex flex-wrap justify-center gap-1.5">
+            {FORMAT_PILLS.map(({ label, color }, i) => (
+              <motion.span
+                key={label}
+                className={`font-mono text-[10px] font-semibold tracking-wide px-2.5 py-[5px] rounded-full ${color}`}
+                initial={{ opacity: 0, scale: 0.75 }}
+                animate={{ opacity: 1, scale: 1 }}
+                transition={{
+                  duration: 0.35,
+                  delay: 0.18 + i * 0.045,
+                  ease: [0.16, 1, 0.3, 1],
+                }}
+              >
+                {label}
+              </motion.span>
+            ))}
+          </div>
+        )}
+
+        {/* Browse button */}
         <motion.button
-          className="inline-flex items-center gap-2 px-5 py-2 text-sm font-semibold text-white bg-pink rounded-xl cursor-pointer border-none shadow-[0_4px_16px_rgba(244,114,182,0.3)] hover:shadow-[0_6px_24px_rgba(244,114,182,0.4)] transition-shadow"
+          className="inline-flex items-center gap-2 px-6 py-2.5 text-sm font-bold text-white bg-pink rounded-xl cursor-pointer border-none shadow-[0_4px_20px_rgba(244,114,182,0.32)]"
           onClick={onBrowse}
-          whileHover={{ scale: 1.04 }}
+          initial={{ opacity: 0, y: 6 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ duration: 0.4, delay: 0.32 }}
+          whileHover={{
+            scale: 1.05,
+            boxShadow: "0 8px 28px rgba(244,114,182,0.46)",
+          }}
           whileTap={{ scale: 0.96 }}
         >
-          <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
+          <svg
+            width="13"
+            height="13"
+            viewBox="0 0 24 24"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="2"
+          >
             <path d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z" />
           </svg>
           Browse files
         </motion.button>
 
-        <p className="font-mono text-[10px] text-text-light/50 tracking-wide">
+        {/* Trust signal */}
+        <motion.p
+          className="font-mono text-[10px] text-text-light/50 tracking-wide -mt-2"
+          initial={{ opacity: 0 }}
+          animate={{ opacity: 1 }}
+          transition={{ duration: 0.4, delay: 0.42 }}
+        >
           70+ formats &mdash; 100% client-side
-        </p>
+        </motion.p>
       </motion.div>
     </div>
   );