270 lines
11 KiB
TypeScript
270 lines
11 KiB
TypeScript
/**
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* Calcul du Fret Maritime - Wiki Page
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*
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* Comment sont calculés les coûts de transport
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*/
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import Link from 'next/link';
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import { Card, CardHeader, CardTitle, CardContent } from '@/components/ui/card';
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const surcharges = [
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{
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code: 'BAF',
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name: 'Bunker Adjustment Factor',
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description: 'Surcharge carburant liée aux fluctuations du prix du fuel maritime.',
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variation: 'Mensuelle',
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},
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{
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code: 'CAF',
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name: 'Currency Adjustment Factor',
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description: 'Ajustement monétaire pour compenser les variations de taux de change.',
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variation: 'Mensuelle',
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},
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{
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code: 'THC',
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name: 'Terminal Handling Charges',
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description: 'Frais de manutention au terminal portuaire (chargement/déchargement).',
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variation: 'Par port',
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},
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{
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code: 'ISPS',
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name: 'International Ship & Port Security',
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description: 'Surcharge sécurité conforme au code ISPS (post 11 septembre).',
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variation: 'Fixe',
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},
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{
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code: 'LSS',
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name: 'Low Sulphur Surcharge',
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description: 'Surcharge carburant bas soufre (réglementation IMO 2020).',
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variation: 'Mensuelle',
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},
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{
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code: 'PSS',
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name: 'Peak Season Surcharge',
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description: 'Surcharge haute saison (généralement août-octobre vers l\'Europe).',
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variation: 'Saisonnière',
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},
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{
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code: 'GRI',
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name: 'General Rate Increase',
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description: 'Augmentation générale des tarifs, généralement annoncée à l\'avance.',
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variation: 'Variable',
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},
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{
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code: 'EBS',
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name: 'Emergency Bunker Surcharge',
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description: 'Surcharge d\'urgence en cas de hausse brutale du carburant.',
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variation: 'Exceptionnelle',
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},
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];
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const fraisAdditionnels = [
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{ name: 'Documentation Fee', description: 'Frais d\'émission du B/L ou autres documents', typical: '35-75 USD' },
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{ name: 'Seal Fee', description: 'Coût du plomb de sécurité du conteneur', typical: '10-25 USD' },
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{ name: 'VGM Fee', description: 'Frais de certification du poids vérifié', typical: '25-50 USD' },
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{ name: 'Container Cleaning', description: 'Nettoyage du conteneur si requis', typical: '50-150 USD' },
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{ name: 'Customs Clearance', description: 'Frais de dédouanement (honoraires)', typical: '50-200 USD' },
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{ name: 'Inspection Fee', description: 'Frais d\'inspection (scanner, phytosanitaire)', typical: '50-300 USD' },
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];
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export default function CalculFretPage() {
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return (
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<div className="space-y-6">
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{/* Header with back link */}
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<div className="flex items-center gap-4 mb-6">
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<Link
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href="/dashboard/wiki"
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className="flex items-center text-blue-600 hover:text-blue-800 transition-colors"
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>
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<svg className="w-5 h-5 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
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</svg>
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Retour au Wiki
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</Link>
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</div>
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{/* Title */}
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<div className="mb-8">
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<div className="flex items-center gap-3">
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<span className="text-4xl">🧮</span>
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<h1 className="text-3xl font-bold text-gray-900">Calcul du Fret Maritime</h1>
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</div>
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<p className="mt-3 text-gray-600 max-w-3xl">
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Le coût du transport maritime se compose du fret de base et de nombreuses surcharges.
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Comprendre ces éléments est essentiel pour bien estimer ses coûts logistiques.
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</p>
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</div>
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{/* Base Calculation */}
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<Card className="bg-blue-50 border-blue-200">
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<CardContent className="pt-6">
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<h3 className="font-semibold text-blue-900 mb-3">📐 Principes de Base</h3>
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<div className="grid grid-cols-1 md:grid-cols-2 gap-6">
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<div>
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<h4 className="font-medium text-blue-800">FCL (Conteneur Complet)</h4>
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<p className="text-sm text-blue-700 mt-1">
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Prix forfaitaire par conteneur (20', 40', 40'HC), indépendant du poids (dans les limites).
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</p>
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<p className="text-xs text-blue-600 mt-2">Ex: 1,500 USD/20' Shanghai → Rotterdam</p>
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</div>
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<div>
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<h4 className="font-medium text-blue-800">LCL (Groupage)</h4>
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<p className="text-sm text-blue-700 mt-1">
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Prix au mètre cube (CBM) ou à la tonne, selon le plus avantageux pour le transporteur.
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</p>
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<p className="text-xs text-blue-600 mt-2">Ex: 45 USD/CBM (minimum 1 CBM)</p>
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</div>
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</div>
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</CardContent>
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</Card>
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{/* Weight Calculation */}
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<Card className="mt-8 bg-gray-50">
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<CardContent className="pt-6">
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<h3 className="font-semibold text-gray-900 mb-3">⚖️ Poids Taxable (LCL)</h3>
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<div className="bg-white p-4 rounded-lg border mb-4">
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<div className="text-center">
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<p className="text-lg font-mono bg-blue-100 text-blue-800 p-3 rounded inline-block">
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Poids taxable = MAX (Volume CBM × 1000, Poids brut kg)
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</p>
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</div>
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</div>
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<div className="grid grid-cols-1 md:grid-cols-2 gap-4 text-sm">
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<div className="bg-white p-4 rounded-lg border">
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<h4 className="font-medium">Exemple 1 : Marchandise légère</h4>
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<ul className="text-gray-600 mt-2 space-y-1">
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<li>Volume : 2 CBM</li>
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<li>Poids : 500 kg</li>
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<li>Volume équivalent : 2 × 1000 = 2000 kg</li>
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<li className="font-medium text-blue-700">→ Taxé sur 2 CBM (ou 2 tonnes)</li>
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</ul>
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</div>
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<div className="bg-white p-4 rounded-lg border">
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<h4 className="font-medium">Exemple 2 : Marchandise lourde</h4>
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<ul className="text-gray-600 mt-2 space-y-1">
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<li>Volume : 1 CBM</li>
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<li>Poids : 2000 kg</li>
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<li>Volume équivalent : 1 × 1000 = 1000 kg</li>
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<li className="font-medium text-blue-700">→ Taxé sur 2 tonnes (poids réel)</li>
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</ul>
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</div>
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</div>
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<p className="text-xs text-gray-500 mt-3">
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Ratio standard : 1 CBM = 1 tonne (1000 kg). Certaines compagnies utilisent 1 CBM = 333 kg pour l'aérien.
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</p>
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</CardContent>
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</Card>
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{/* Surcharges */}
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<div className="mt-8">
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<h2 className="text-xl font-bold text-gray-900 mb-4">📋 Surcharges Courantes</h2>
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<div className="grid grid-cols-1 md:grid-cols-2 gap-4">
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{surcharges.map((sur) => (
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<Card key={sur.code} className="bg-white">
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<CardHeader className="pb-2">
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<CardTitle className="flex items-center gap-2">
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<span className="px-3 py-1 bg-purple-600 text-white rounded-md font-mono text-sm">
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{sur.code}
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</span>
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<span className="text-base">{sur.name}</span>
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</CardTitle>
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</CardHeader>
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<CardContent>
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<p className="text-gray-600 text-sm">{sur.description}</p>
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<p className="text-xs text-gray-500 mt-2">Variation : {sur.variation}</p>
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</CardContent>
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</Card>
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))}
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</div>
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</div>
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{/* Additional fees */}
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<div className="mt-8">
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<h2 className="text-xl font-bold text-gray-900 mb-4">💵 Frais Additionnels</h2>
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<Card className="bg-white">
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<CardContent className="pt-6">
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<div className="overflow-x-auto">
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<table className="w-full text-sm">
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<thead>
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<tr className="border-b">
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<th className="text-left py-2 font-medium">Frais</th>
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<th className="text-left py-2 font-medium">Description</th>
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<th className="text-right py-2 font-medium">Montant typique</th>
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</tr>
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</thead>
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<tbody>
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{fraisAdditionnels.map((frais) => (
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<tr key={frais.name} className="border-b last:border-0">
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<td className="py-3 font-medium text-gray-900">{frais.name}</td>
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<td className="py-3 text-gray-600">{frais.description}</td>
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<td className="py-3 text-right font-mono text-gray-700">{frais.typical}</td>
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</tr>
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))}
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</tbody>
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</table>
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</div>
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</CardContent>
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</Card>
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</div>
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{/* Example calculation */}
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<Card className="mt-8 bg-green-50 border-green-200">
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<CardContent className="pt-6">
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<h3 className="font-semibold text-green-900 mb-3">📊 Exemple de Devis FCL</h3>
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<div className="bg-white p-4 rounded-lg border">
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<p className="text-sm text-gray-600 mb-3">Conteneur 40' Shanghai → Le Havre</p>
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<div className="space-y-2 font-mono text-sm">
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<div className="flex justify-between">
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<span>Ocean Freight (base)</span>
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<span>1,800 USD</span>
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</div>
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<div className="flex justify-between">
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<span>BAF</span>
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<span>450 USD</span>
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</div>
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<div className="flex justify-between">
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<span>LSS</span>
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<span>180 USD</span>
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</div>
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<div className="flex justify-between">
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<span>THC Origin</span>
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<span>150 USD</span>
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</div>
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<div className="flex justify-between">
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<span>THC Destination</span>
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<span>280 EUR</span>
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</div>
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<div className="flex justify-between">
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<span>ISPS</span>
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<span>12 USD</span>
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</div>
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<div className="flex justify-between">
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<span>Documentation</span>
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<span>45 USD</span>
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</div>
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<div className="border-t pt-2 flex justify-between font-bold">
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<span>Total estimé</span>
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<span>~2,637 USD + 280 EUR</span>
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</div>
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</div>
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</div>
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</CardContent>
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</Card>
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{/* Tips */}
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<Card className="mt-8 bg-amber-50 border-amber-200">
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<CardContent className="pt-6">
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<h3 className="font-semibold text-amber-900 mb-3">💡 Conseils pour Optimiser</h3>
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<ul className="list-disc list-inside space-y-2 text-amber-800">
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<li>Demandez des devis "All-in" pour éviter les surprises de surcharges</li>
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<li>Comparez les transitaires sur le total, pas seulement le fret de base</li>
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<li>Anticipez la haute saison (septembre-novembre) avec des réservations précoces</li>
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<li>Optimisez le remplissage des conteneurs pour réduire le coût unitaire</li>
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<li>Vérifiez les surcharges qui peuvent changer entre devis et facture</li>
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</ul>
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</CardContent>
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</Card>
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</div>
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);
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}
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