Files
2026-05-10 18:25:58 +01:00

829 lines
36 KiB
TypeScript

"use client";
import React, { useEffect, useState, useCallback } from "react";
import { motion, AnimatePresence } from "motion/react";
import {
Link2,
Shield,
Activity,
Hash,
Clock,
FileText,
CheckCircle2,
Search,
RefreshCw,
ExternalLink,
Blocks,
Copy,
Check,
AlertCircle,
Upload,
Zap,
Fingerprint,
Radio,
ChevronRight,
Terminal,
Lock,
Globe,
} from "lucide-react";
import { Button } from "@/components/ui/button";
import {
getBlockchainTransactions,
getBlockchainStats,
verifyDocumentHashOnBlockchain,
registerContractOnBlockchain,
generateContractCertificate,
} from "@/features/blockchain/api/blockchain.action";
import { getContracts } from "@/features/contracts/api/contract.action";
import type {
BlockchainTransactionView,
BlockchainStats,
} from "@/lib/services/blockchain.types";
import { toast } from "sonner";
// ═══════════════════════════════════════════════════════════════
// Blockchain Explorer — 2026 Edition
// ═══════════════════════════════════════════════════════════════
export default function BlockchainExplorerPage() {
const [transactions, setTransactions] = useState<BlockchainTransactionView[]>(
[],
);
const [stats, setStats] = useState<BlockchainStats | null>(null);
const [loading, setLoading] = useState(true);
const [verifyHash, setVerifyHash] = useState("");
const [verifyResult, setVerifyResult] = useState<{
exists: boolean;
timestamp: number;
depositor: string;
} | null>(null);
const [verifying, setVerifying] = useState(false);
const [copiedTx, setCopiedTx] = useState<string | null>(null);
const [unregisteredContracts, setUnregisteredContracts] = useState<
Array<{ id: string; title: string | null; fileName: string }>
>([]);
const [registeringId, setRegisteringId] = useState<string | null>(null);
const [downloadingCertificateId, setDownloadingCertificateId] = useState<
string | null
>(null);
const [activeTab, setActiveTab] = useState<"all" | "verified" | "pending">(
"all",
);
const loadData = useCallback(async () => {
setLoading(true);
try {
const [txResult, statsResult, contractsResult] = await Promise.all([
getBlockchainTransactions(),
getBlockchainStats(),
getContracts({ status: "COMPLETED" }),
]);
if (txResult.success && txResult.transactions) {
setTransactions(txResult.transactions);
}
if (statsResult.success && statsResult.stats) {
setStats(statsResult.stats);
}
if (contractsResult.success && contractsResult.contracts) {
const registered = new Set(
txResult.transactions?.map((tx) => tx.contractId) ?? [],
);
const unregistered = contractsResult.contracts
.filter(
(c: { id: string; txHash?: string | null; status: string }) =>
!c.txHash && !registered.has(c.id) && c.status === "COMPLETED",
)
.map((c: { id: string; title: string | null; fileName: string }) => ({
id: c.id,
title: c.title,
fileName: c.fileName,
}));
setUnregisteredContracts(unregistered);
}
} catch (error) {
console.error("Failed to load blockchain data:", error);
} finally {
setLoading(false);
}
}, []);
useEffect(() => {
loadData();
}, [loadData]);
const handleVerify = async () => {
if (!verifyHash.trim()) return;
setVerifying(true);
setVerifyResult(null);
try {
const result = await verifyDocumentHashOnBlockchain(verifyHash.trim());
if (result.success && result.verification) {
setVerifyResult(result.verification);
} else {
toast.error(result.error || "Verification failed");
}
} catch {
toast.error("Failed to verify hash");
} finally {
setVerifying(false);
}
};
const handleRegister = async (contractId: string) => {
setRegisteringId(contractId);
try {
const result = await registerContractOnBlockchain(contractId);
if (result.success) {
toast.success("Contract registered on blockchain!");
await loadData();
} else {
toast.error(result.error || "Registration failed");
}
} catch {
toast.error("Failed to register on blockchain");
} finally {
setRegisteringId(null);
}
};
const handleDownloadCertificate = async (
contractId: string,
contractTitle: string,
) => {
setDownloadingCertificateId(contractId);
try {
const result = await generateContractCertificate(contractId);
if (result.success && result.certificatePdfBase64) {
const base64 = result.certificatePdfBase64;
const binary = atob(base64);
const bytes = new Uint8Array(binary.length);
for (let i = 0; i < binary.length; i += 1) {
bytes[i] = binary.charCodeAt(i);
}
const blob = new Blob([bytes], { type: "application/pdf" });
const url = URL.createObjectURL(blob);
const link = document.createElement("a");
link.href = url;
link.download =
result.certificateFileName ||
`certificate-${contractTitle || contractId}.pdf`;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
URL.revokeObjectURL(url);
toast.success("Certificate downloaded successfully!");
} else {
toast.error(result.error || "Failed to generate certificate");
}
} catch {
toast.error("Failed to download certificate");
} finally {
setDownloadingCertificateId(null);
}
};
const copyToClipboard = (text: string) => {
navigator.clipboard.writeText(text);
setCopiedTx(text);
setTimeout(() => setCopiedTx(null), 2000);
};
const formatTimestamp = (iso: string) => {
return new Date(iso).toLocaleString();
};
const truncateHash = (hash: string, chars = 8) => {
if (!hash || hash.length <= chars * 2 + 3) return hash;
return `${hash.slice(0, chars + 2)}...${hash.slice(-chars)}`;
};
const filteredTransactions = transactions.filter((tx) => {
if (activeTab === "verified")
return tx.status === "CONFIRMED" || tx.status === "SUCCESS";
if (activeTab === "pending")
return tx.status === "PENDING" || tx.status === "PROCESSING";
return true;
});
return (
<div className="relative min-h-screen bg-background overflow-hidden">
{/* Ambient Background */}
<div className="fixed inset-0 pointer-events-none">
<div className="absolute top-[-10%] left-[-10%] w-[600px] h-[600px] rounded-full bg-primary/5 blur-[120px]" />
<div className="absolute bottom-[-10%] right-[-10%] w-[700px] h-[700px] rounded-full bg-emerald-500/5 blur-[120px]" />
<div className="absolute top-[40%] left-[60%] w-[400px] h-[400px] rounded-full bg-violet-500/5 blur-[100px]" />
<div className="absolute inset-0 bg-[linear-gradient(rgba(255,255,255,0.02)_1px,transparent_1px),linear-gradient(90deg,rgba(255,255,255,0.02)_1px,transparent_1px)] bg-[size:64px_64px] [mask-image:radial-gradient(ellipse_80%_80%_at_50%_50%,#000_20%,transparent_100%)]" />
</div>
<div className="relative z-10 p-6 lg:p-8 space-y-8 max-w-[1440px] mx-auto">
{/* Page Header */}
<motion.div
initial={{ opacity: 0, y: -20 }}
animate={{ opacity: 1, y: 0 }}
className="flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4"
>
<div>
<div className="flex items-center gap-3 mb-2">
<motion.div
whileHover={{ rotate: 180 }}
transition={{ duration: 0.6 }}
className="relative p-2.5 rounded-2xl bg-gradient-to-br from-primary/20 to-primary/5 border border-primary/20 shadow-lg shadow-primary/10"
>
<Blocks className="w-7 h-7 text-primary" />
<div className="absolute inset-0 rounded-2xl bg-primary/20 blur-md -z-10" />
</motion.div>
<div>
<h1 className="text-3xl font-bold tracking-tight bg-gradient-to-r from-foreground via-foreground to-muted-foreground bg-clip-text text-transparent">
Blockchain Explorer
</h1>
</div>
</div>
<p className="text-muted-foreground text-sm max-w-lg leading-relaxed">
Immutable proof-of-existence registry. Verify document integrity,
audit on-chain history, and register new contracts.
</p>
</div>
<div className="flex items-center gap-3">
<div className="hidden sm:flex items-center gap-2 text-xs text-muted-foreground bg-muted/50 px-3 py-1.5 rounded-full border border-border/30">
<Radio className="w-3 h-3 text-emerald-500" />
<span className="relative flex h-1.5 w-1.5">
<span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-emerald-400 opacity-75" />
<span className="relative inline-flex rounded-full h-1.5 w-1.5 bg-emerald-500" />
</span>
Live
</div>
<Button
variant="outline"
size="sm"
onClick={loadData}
disabled={loading}
className="gap-2 rounded-xl border-border/60 bg-background/50 backdrop-blur-xl hover:bg-background/80 transition-all"
>
<RefreshCw
className={`w-4 h-4 ${loading ? "animate-spin" : ""}`}
/>
Refresh
</Button>
</div>
</motion.div>
{/* Stats Bento Grid */}
<motion.div
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
transition={{ delay: 0.1 }}
className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4"
>
<BentoCard
icon={<Shield className="w-5 h-5" />}
label="Verified Documents"
value={stats?.totalVerified?.toString() ?? "0"}
subtitle="On-chain proofs"
gradient="from-emerald-500/20 to-emerald-500/5"
border="border-emerald-500/20"
iconColor="text-emerald-500"
delay={0}
/>
<BentoCard
icon={<Blocks className="w-5 h-5" />}
label="Latest Block"
value={
stats?.latestBlockNumber
? `#${stats.latestBlockNumber.toLocaleString()}`
: "—"
}
subtitle="Network height"
gradient="from-blue-500/20 to-blue-500/5"
border="border-blue-500/20"
iconColor="text-blue-500"
delay={0.05}
/>
<BentoCard
icon={<Globe className="w-5 h-5" />}
label="Network Status"
value={stats?.networkName || "Not Configured"}
subtitle={
stats?.chainId ? `Chain ID ${stats.chainId}` : "Disconnected"
}
gradient={
stats?.networkStatus === "connected"
? "from-emerald-500/20 to-emerald-500/5"
: "from-red-500/20 to-red-500/5"
}
border={
stats?.networkStatus === "connected"
? "border-emerald-500/20"
: "border-red-500/20"
}
iconColor={
stats?.networkStatus === "connected"
? "text-emerald-500"
: "text-red-500"
}
badge={
stats?.networkStatus === "connected" ? (
<span className="flex items-center gap-1.5 text-[10px] font-bold text-emerald-600 dark:text-emerald-400">
<span className="relative flex h-2 w-2">
<span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-emerald-400 opacity-75" />
<span className="relative inline-flex rounded-full h-2 w-2 bg-emerald-500" />
</span>
LIVE
</span>
) : (
<span className="flex items-center gap-1.5 text-[10px] font-bold text-red-600 dark:text-red-400">
<span className="relative inline-flex rounded-full h-2 w-2 bg-red-500" />
OFFLINE
</span>
)
}
delay={0.1}
/>
<BentoCard
icon={<Fingerprint className="w-5 h-5" />}
label="Wallet"
value={
stats?.walletAddress ? truncateHash(stats.walletAddress, 6) : "—"
}
subtitle="Connected address"
gradient="from-violet-500/20 to-violet-500/5"
border="border-violet-500/20"
iconColor="text-violet-500"
delay={0.15}
/>
</motion.div>
{/* Unregistered Contracts Alert */}
<AnimatePresence>
{unregisteredContracts.length > 0 && (
<motion.div
initial={{ opacity: 0, height: 0 }}
animate={{ opacity: 1, height: "auto" }}
exit={{ opacity: 0, height: 0 }}
className="overflow-hidden"
>
<div className="relative rounded-2xl border border-amber-500/20 bg-gradient-to-r from-amber-500/10 via-amber-500/5 to-transparent p-1">
<div className="absolute inset-0 rounded-2xl bg-amber-500/5 blur-xl" />
<div className="relative p-5">
<div className="flex items-center gap-2 mb-4">
<div className="p-1.5 rounded-lg bg-amber-500/20">
<Upload className="w-4 h-4 text-amber-500" />
</div>
<h3 className="text-sm font-bold text-amber-600 dark:text-amber-400 uppercase tracking-wider">
{unregisteredContracts.length} pending registration
</h3>
</div>
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-2">
{unregisteredContracts.map((contract) => (
<motion.div
key={contract.id}
initial={{ opacity: 0, scale: 0.95 }}
animate={{ opacity: 1, scale: 1 }}
className="group flex items-center justify-between rounded-xl bg-background/60 backdrop-blur-md border border-border/40 px-4 py-3 hover:border-amber-500/30 hover:bg-background/80 transition-all"
>
<div className="flex items-center gap-3 min-w-0">
<div className="p-1.5 rounded-md bg-muted">
<FileText className="w-3.5 h-3.5 text-muted-foreground" />
</div>
<span className="text-sm truncate font-medium">
{contract.title || contract.fileName}
</span>
</div>
<Button
size="sm"
className="gap-1.5 text-xs rounded-lg bg-amber-500/10 text-amber-600 dark:text-amber-400 border border-amber-500/20 hover:bg-amber-500/20 hover:text-amber-700 dark:hover:text-amber-300 shrink-0 ml-3"
disabled={registeringId === contract.id}
onClick={() => handleRegister(contract.id)}
>
{registeringId === contract.id ? (
<RefreshCw className="w-3 h-3 animate-spin" />
) : (
<Zap className="w-3 h-3" />
)}
Register
</Button>
</motion.div>
))}
</div>
</div>
</div>
</motion.div>
)}
</AnimatePresence>
<div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
{/* Transactions List */}
<motion.div
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
transition={{ delay: 0.2 }}
className="lg:col-span-2 rounded-2xl border border-border/40 bg-background/40 backdrop-blur-2xl overflow-hidden shadow-2xl shadow-black/5"
>
<div className="p-5 border-b border-border/40 flex items-center justify-between">
<div>
<h2 className="font-bold text-foreground flex items-center gap-2 text-lg">
<Link2 className="w-5 h-5 text-primary" />
Transaction History
</h2>
<p className="text-xs text-muted-foreground mt-1">
Immutable audit trail of all registered documents
</p>
</div>
<div className="flex items-center gap-1 bg-muted/50 rounded-lg p-1 border border-border/30">
{(["all", "verified", "pending"] as const).map((tab) => (
<button
key={tab}
onClick={() => setActiveTab(tab)}
className={`px-3 py-1.5 rounded-md text-xs font-medium transition-all ${
activeTab === tab
? "bg-background shadow-sm text-foreground"
: "text-muted-foreground hover:text-foreground"
}`}
>
{tab.charAt(0).toUpperCase() + tab.slice(1)}
</button>
))}
</div>
</div>
{loading ? (
<div className="p-12">
<div className="space-y-4">
{[1, 2, 3].map((i) => (
<div
key={i}
className="flex items-center gap-4 p-4 rounded-xl bg-muted/30 animate-pulse"
>
<div className="w-10 h-10 rounded-full bg-muted" />
<div className="space-y-2 flex-1">
<div className="h-3 bg-muted rounded w-1/3" />
<div className="h-2 bg-muted rounded w-1/2" />
</div>
</div>
))}
</div>
</div>
) : filteredTransactions.length === 0 ? (
<div className="p-16 text-center">
<div className="relative inline-flex mb-4">
<div className="absolute inset-0 bg-primary/20 blur-xl rounded-full" />
<Blocks className="w-12 h-12 text-muted-foreground relative z-10" />
</div>
<p className="text-sm font-medium text-foreground">
No transactions found
</p>
<p className="text-xs mt-2 text-muted-foreground max-w-xs mx-auto">
{activeTab !== "all"
? `No ${activeTab} transactions match your filter.`
: "Upload and analyze a contract to register it on-chain."}
</p>
</div>
) : (
<div className="divide-y divide-border/30">
<AnimatePresence mode="popLayout">
{filteredTransactions.map((tx, idx) => (
<motion.div
key={tx.id}
layout
initial={{ opacity: 0, x: -10 }}
animate={{ opacity: 1, x: 0 }}
exit={{ opacity: 0, scale: 0.98 }}
transition={{ delay: idx * 0.03 }}
className="group p-5 hover:bg-gradient-to-r hover:from-primary/5 hover:to-transparent transition-all duration-300"
>
<div className="flex items-start justify-between gap-4">
<div className="min-w-0 flex-1 space-y-3">
{/* Title Row */}
<div className="flex items-center gap-3">
<div className="p-1.5 rounded-lg bg-emerald-500/10 border border-emerald-500/20">
<CheckCircle2 className="w-4 h-4 text-emerald-500" />
</div>
<span className="text-sm font-semibold truncate">
{tx.contractTitle || tx.contractFileName}
</span>
<span className="shrink-0 text-[10px] font-bold px-2.5 py-0.5 rounded-full bg-emerald-500/10 text-emerald-600 dark:text-emerald-400 border border-emerald-500/20 uppercase tracking-wider">
{tx.status}
</span>
</div>
{/* Metadata Grid */}
<div className="grid grid-cols-1 sm:grid-cols-2 gap-2 pl-[2.25rem]">
<div className="flex items-center gap-2 text-xs text-muted-foreground group/hash">
<Fingerprint className="w-3.5 h-3.5 shrink-0 text-primary/60" />
<span className="font-mono text-[11px] tracking-tight">
{truncateHash(tx.documentHash, 14)}
</span>
<button
onClick={() => copyToClipboard(tx.documentHash)}
className="opacity-0 group-hover/hash:opacity-100 transition-all hover:scale-110"
>
{copiedTx === tx.documentHash ? (
<Check className="w-3 h-3 text-emerald-500" />
) : (
<Copy className="w-3 h-3" />
)}
</button>
</div>
<div className="flex items-center gap-2 text-xs text-muted-foreground group/hash">
<Hash className="w-3.5 h-3.5 shrink-0 text-primary/60" />
<span className="font-mono text-[11px] tracking-tight">
{truncateHash(tx.txHash, 14)}
</span>
<button
onClick={() => copyToClipboard(tx.txHash)}
className="opacity-0 group-hover/hash:opacity-100 transition-all hover:scale-110"
>
{copiedTx === tx.txHash ? (
<Check className="w-3 h-3 text-emerald-500" />
) : (
<Copy className="w-3 h-3" />
)}
</button>
</div>
<div className="flex items-center gap-2 text-xs text-muted-foreground">
<Blocks className="w-3.5 h-3.5 shrink-0 text-primary/60" />
<span className="font-mono">
Block #{tx.blockNumber.toLocaleString()}
</span>
</div>
<div className="flex items-center gap-2 text-xs text-muted-foreground">
<Clock className="w-3.5 h-3.5 shrink-0 text-primary/60" />
<span>{formatTimestamp(tx.blockTimestamp)}</span>
</div>
</div>
</div>
{/* Right Side Actions */}
<div className="flex flex-col items-end gap-2 shrink-0">
<span className="text-[10px] font-bold px-2.5 py-1 rounded-md bg-muted border border-border/40 uppercase tracking-wider">
{tx.network === "sepolia" ? "Sepolia" : "Hardhat"}
</span>
<div className="flex gap-2">
<Button
size="sm"
variant="outline"
className="text-xs h-8 gap-1.5"
disabled={
downloadingCertificateId === tx.contractId
}
onClick={() =>
handleDownloadCertificate(
tx.contractId,
tx.contractTitle || tx.contractFileName,
)
}
title="Download cryptographic certificate"
>
{downloadingCertificateId === tx.contractId ? (
<RefreshCw className="w-3 h-3 animate-spin" />
) : (
<Fingerprint className="w-3 h-3" />
)}
Certificate
</Button>
{tx.explorerUrl && (
<a
href={tx.explorerUrl}
target="_blank"
rel="noopener noreferrer"
className="text-xs text-primary hover:text-primary/80 flex items-center gap-1 font-medium group/link"
>
Etherscan
<ExternalLink className="w-3 h-3 group-hover/link:translate-x-0.5 group-hover/link:-translate-y-0.5 transition-transform" />
</a>
)}
</div>
</div>
</div>
</motion.div>
))}
</AnimatePresence>
</div>
)}
</motion.div>
{/* Verification Panel */}
<motion.div
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
transition={{ delay: 0.3 }}
className="space-y-6"
>
<div className="rounded-2xl border border-border/40 bg-background/40 backdrop-blur-2xl shadow-2xl shadow-black/5 overflow-hidden">
<div className="p-5 border-b border-border/40 bg-gradient-to-r from-primary/5 to-transparent">
<h2 className="font-bold text-foreground flex items-center gap-2 text-lg">
<Search className="w-5 h-5 text-primary" />
Verify Document
</h2>
<p className="text-xs text-muted-foreground mt-1">
Cryptographic on-chain verification
</p>
</div>
<div className="p-5 space-y-5">
<div className="relative">
<label className="text-xs font-bold text-muted-foreground mb-2 block uppercase tracking-wider">
Document Hash
</label>
<div className="relative">
<textarea
value={verifyHash}
onChange={(e) => setVerifyHash(e.target.value)}
placeholder="Paste SHA-256 hash (0x...)"
className="w-full rounded-xl border border-border/60 bg-muted/20 px-4 py-3.5 text-xs font-mono resize-none h-24 focus:outline-none focus:ring-2 focus:ring-primary/20 focus:border-primary/40 focus:bg-background/60 transition-all placeholder:text-muted-foreground/50"
/>
<div className="absolute bottom-2 right-2 text-[10px] text-muted-foreground font-mono bg-background/80 px-2 py-0.5 rounded border border-border/30">
SHA-256
</div>
</div>
</div>
<Button
onClick={handleVerify}
disabled={!verifyHash.trim() || verifying}
className="w-full gap-2 rounded-xl h-10 font-semibold shadow-lg shadow-primary/20 hover:shadow-primary/30 transition-all"
size="sm"
>
{verifying ? (
<RefreshCw className="w-4 h-4 animate-spin" />
) : (
<Shield className="w-4 h-4" />
)}
Verify On-Chain
</Button>
{/* Verification Result */}
<AnimatePresence mode="wait">
{verifyResult !== null && (
<motion.div
key={verifyResult.exists ? "found" : "notfound"}
initial={{ opacity: 0, y: 10, scale: 0.98 }}
animate={{ opacity: 1, y: 0, scale: 1 }}
exit={{ opacity: 0, scale: 0.98 }}
className={`relative overflow-hidden rounded-xl border p-5 ${
verifyResult.exists
? "border-emerald-500/30 bg-gradient-to-br from-emerald-500/10 via-emerald-500/5 to-transparent"
: "border-red-500/30 bg-gradient-to-br from-red-500/10 via-red-500/5 to-transparent"
}`}
>
{verifyResult.exists && (
<div className="absolute top-0 right-0 p-3 opacity-10">
<Shield className="w-24 h-24 text-emerald-500" />
</div>
)}
<div className="relative z-10">
<div className="flex items-center gap-3 mb-4">
<div
className={`p-2 rounded-full ${
verifyResult.exists
? "bg-emerald-500/20 text-emerald-500"
: "bg-red-500/20 text-red-500"
}`}
>
{verifyResult.exists ? (
<CheckCircle2 className="w-6 h-6" />
) : (
<AlertCircle className="w-6 h-6" />
)}
</div>
<div>
<span
className={`text-sm font-bold block ${
verifyResult.exists
? "text-emerald-600 dark:text-emerald-400"
: "text-red-600 dark:text-red-400"
}`}
>
{verifyResult.exists
? "Document Verified"
: "Not Found On-Chain"}
</span>
<span className="text-[10px] text-muted-foreground uppercase tracking-wider font-bold">
{verifyResult.exists
? "Cryptographic proof valid"
: "No matching hash in registry"}
</span>
</div>
</div>
{verifyResult.exists && (
<div className="space-y-3 text-xs">
<div className="flex items-center justify-between p-2.5 rounded-lg bg-background/40 border border-border/30">
<span className="text-muted-foreground flex items-center gap-2">
<Clock className="w-3 h-3" />
Timestamp
</span>
<span className="font-mono font-medium">
{new Date(
verifyResult.timestamp * 1000,
).toLocaleString()}
</span>
</div>
<div className="flex items-center justify-between p-2.5 rounded-lg bg-background/40 border border-border/30">
<span className="text-muted-foreground flex items-center gap-2">
<Fingerprint className="w-3 h-3" />
Depositor
</span>
<span className="font-mono font-medium">
{truncateHash(verifyResult.depositor, 8)}
</span>
</div>
</div>
)}
</div>
</motion.div>
)}
</AnimatePresence>
</div>
</div>
{/* Quick Info Card */}
<div className="rounded-2xl border border-border/40 bg-gradient-to-br from-primary/5 via-transparent to-violet-500/5 p-5 backdrop-blur-xl">
<h3 className="text-sm font-bold mb-2 flex items-center gap-2">
<Terminal className="w-4 h-4 text-primary" />
How it works
</h3>
<ul className="space-y-2 text-xs text-muted-foreground">
<li className="flex items-start gap-2">
<ChevronRight className="w-3 h-3 mt-0.5 text-primary shrink-0" />
Documents are hashed using SHA-256 before registration
</li>
<li className="flex items-start gap-2">
<ChevronRight className="w-3 h-3 mt-0.5 text-primary shrink-0" />
Proofs are permanently stored on the Ethereum blockchain
</li>
<li className="flex items-start gap-2">
<Lock className="w-3 h-3 mt-0.5 text-primary shrink-0" />
Anyone can verify integrity without revealing document content
</li>
</ul>
</div>
</motion.div>
</div>
</div>
</div>
);
}
// ─────────────────────────────────────────────────
// Bento Card Sub-Component
// ─────────────────────────────────────────────────
function BentoCard({
icon,
label,
value,
subtitle,
gradient,
border,
iconColor,
badge,
delay,
}: {
icon: React.ReactNode;
label: string;
value: string;
subtitle: string;
gradient: string;
border: string;
iconColor: string;
badge?: React.ReactNode;
delay: number;
}) {
return (
<motion.div
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
transition={{ delay: 0.1 + delay }}
className={`group relative rounded-2xl border ${border} bg-gradient-to-br ${gradient} p-5 backdrop-blur-xl overflow-hidden hover:scale-[1.02] transition-transform duration-300`}
>
<div className="absolute inset-0 bg-background/40" />
<div className="absolute -right-4 -top-4 w-24 h-24 bg-gradient-to-br from-white/10 to-transparent rounded-full blur-2xl group-hover:opacity-100 opacity-0 transition-opacity" />
<div className="relative z-10">
<div className="flex items-center justify-between mb-4">
<div
className={`p-2.5 rounded-xl bg-background/60 border border-border/40 shadow-sm ${iconColor}`}
>
{icon}
</div>
{badge && <div>{badge}</div>}
</div>
<p className="text-[10px] font-bold text-muted-foreground uppercase tracking-[0.2em]">
{label}
</p>
<p className="text-2xl font-bold text-foreground mt-1 truncate tracking-tight">
{value}
</p>
<p className="text-[11px] text-muted-foreground mt-1">{subtitle}</p>
</div>
</motion.div>
);
}