'use client';

import { useState, useEffect, useMemo } from 'react';
import { motion, AnimatePresence } from 'framer-motion';
import { useRouter } from 'next/navigation';
import Link from 'next/link';
import { useTranslation } from 'react-i18next';
import {
  User, Mail, Phone, Lock, Eye, EyeOff,
  CheckCircle, XCircle, ArrowLeft, Home, Loader2,
  Shield, KeyRound
} from 'lucide-react';
import toast, { Toaster } from 'react-hot-toast';
import { addCustomer, loginWithEmail, sendEmailOTP, verifyEmail } from '../../utils/api';
import AuthService from '../../services/AuthService';
import { CustomerType, CustomerTypeLabels } from '../../enums';

export default function TenantRegisterPage() {
  const router = useRouter();
  const { t } = useTranslation();
  const [step, setStep] = useState(1);
  const [showOtpModal, setShowOtpModal] = useState(false);
  const [showPassword, setShowPassword] = useState(false);
  const [showConfirmPassword, setShowConfirmPassword] = useState(false);
  const [isLoading, setIsLoading] = useState(false);

  const [formData, setFormData] = useState({
    firstName: '',
    lastName: '',
    email: '',
    phone: '',
    whatsapp: '',
    phone2: '',
    nationalNumber: '',
    password: '',
    confirmPassword: '',
    customerType: CustomerType.PERSONAL,
    agreeTerms: false
  });

  const [otpCode, setOtpCode] = useState('');
  const [errors, setErrors] = useState({});

  const validateEmail = (email) => /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email);
  const validatePhone = (phone) => /^(09|05)[0-9]{8}$/.test(phone);

  const validateStep1 = () => {
    const newErrors = {};
    if (!formData.firstName) newErrors.firstName = t('register.firstNameRequired');
    if (!formData.lastName) newErrors.lastName = t('register.lastNameRequired');
    if (!formData.email) newErrors.email = t('register.emailRequired');
    else if (!validateEmail(formData.email)) newErrors.email = t('register.emailInvalid');
    if (!formData.phone) newErrors.phone = t('register.phoneRequired');
    else if (!validatePhone(formData.phone)) newErrors.phone = t('register.phoneInvalid') + ` (${t('register.phoneMustStartWith')} 09/05)`;
    if (!formData.password) newErrors.password = t('register.passwordRequired');
    else if (formData.password.length < 6) newErrors.password = t('validation.passwordMinLength');
    if (!formData.whatsapp) newErrors.whatsapp = t('register.whatsappRequired');
    if (!formData.phone2 || formData.phone2.length !== 7) newErrors.phone2 = t('validation.phone7Digits');
    if (!formData.nationalNumber) newErrors.nationalNumber = t('register.nationalNumberRequired');
    if (formData.password !== formData.confirmPassword) newErrors.confirmPassword = t('validation.passwordsMatch');
    setErrors(newErrors);
    return Object.keys(newErrors).length === 0;
  };

  const handleNextStep = () => {
    if (validateStep1()) {
      setStep(2);
      window.scrollTo({ top: 0, behavior: 'smooth' });
    } else {
      toast.error(t('validation.correctErrors'));
    }
  };

  const handleSubmit = async (e) => {
    e.preventDefault();

    if (!formData.agreeTerms) {
      toast.error(t('validation.agreeToTerms'));
      return;
    }

    setIsLoading(true);

    const payload = {
      firstName: formData.firstName,
      lastName: formData.lastName,
      email: formData.email,
      phoneNumber: formData.phone,
      whatsAppNumber: formData.whatsapp,
      phone: formData.phone2,
      nationalNumber: formData.nationalNumber,
      password: formData.password,
      customerType: formData.customerType,
    };

    try {
      const res = await addCustomer(payload, null, null);

      if (res.status === 200 || res.ok) {
        const tempToken = res.data;
        if (tempToken) {
          AuthService.addToken(tempToken);
        }

        const apiMessage = res.message || res.data?.message;
        toast.success(apiMessage || t('register.accountCreated'), { duration: 4000 });

        const loginRes = await loginWithEmail(formData.email, formData.password);
        if (loginRes.status === 206) {
          const otpToken = loginRes.data;
          if (otpToken) AuthService.addToken(otpToken);
          toast(loginRes.message || t('register.otpSentEmail'), { icon: '📧' });
          setShowOtpModal(true);
        } else if (loginRes.status === 200) {
          const loginToken = loginRes.data;
          if (loginToken) AuthService.addToken(loginToken);
          toast.success(loginRes.message || t('register.loginSuccess'));
          router.push('/');
        }
      } else {
        const errMsg = res.message || res.data?.message || t('register.accountCreationFailed');
        toast.error(errMsg);
      }
    } catch (err) {
      toast.error(err.message || t('register.registrationError'));
    } finally {
      setIsLoading(false);
    }
  };

  const handleVerifyOTP = async () => {
    if (!otpCode || otpCode.length < 4) {
      toast.error(t('register.otpRequired'));
      return;
    }
    setIsLoading(true);
    try {
      const res = await verifyEmail(otpCode);
      if (res.status === 200) {
        AuthService.deleteToken();
        toast.success(res.message || t('register.emailVerified'));
        setShowOtpModal(false);
        setTimeout(() => router.push('/login'), 1500);
      } else {
        toast.error(res.message || res.data?.message || t('accountVerification.otpInvalid'));
      }
    } catch (err) {
      toast.error(err.message || t('register.verificationError'));
    } finally {
      setIsLoading(false);
    }
  };

  const handleResendOTP = async () => {
    setIsLoading(true);
    try {
      await sendEmailOTP();
      toast.success(t('register.newOtpSent'));
    } catch (err) {
      toast.error(t('register.resendOtpFailed'));
    } finally {
      setIsLoading(false);
    }
  };

  const fadeInUp = {
    initial: { opacity: 0, y: 20 },
    animate: { opacity: 1, y: 0 },
    transition: { duration: 0.5 }
  };

  const staggerContainer = {
    animate: { transition: { staggerChildren: 0.1 } }
  };

  const backgroundElements = useMemo(() => {
    const circles = [
      { style: { top: '20%', right: '20%', width: '256px', height: '256px' }, className: 'bg-blue-500/10' },
      { style: { bottom: '20%', left: '20%', width: '320px', height: '320px' }, className: 'bg-blue-500/10' },
      { style: { top: '50%', left: '50%', width: '384px', height: '384px', transform: 'translate(-50%, -50%)' }, className: 'bg-blue-500/10' },
    ];
    const dots = [
      { left: '5%', top: '10%', size: '120px' },
      { left: '15%', top: '70%', size: '80px' },
      { left: '25%', top: '30%', size: '150px' },
      { left: '35%', top: '85%', size: '100px' },
      { left: '45%', top: '15%', size: '90px' },
      { left: '55%', top: '60%', size: '130px' },
      { left: '65%', top: '40%', size: '70px' },
      { left: '75%', top: '80%', size: '110px' },
      { left: '85%', top: '20%', size: '140px' },
      { left: '95%', top: '50%', size: '85px' },
    ];
    return (
      <>
        {circles.map((circle, i) => (
          <div key={`circle-${i}`} className={`absolute rounded-full ${circle.className}`} style={circle.style} />
        ))}
        {dots.map((dot, i) => (
          <div key={`dot-${i}`} className="absolute rounded-full bg-blue-500/10" style={{ left: dot.left, top: dot.top, width: dot.size, height: dot.size }} />
        ))}
      </>
    );
  }, []);

  return (
    <div className="min-h-screen bg-gradient-to-br flex items-center justify-center p-4 relative overflow-hidden">
      <Toaster position="top-center" reverseOrder={false} />
      <div className="absolute inset-0 overflow-hidden">{backgroundElements}</div>

      <motion.div initial={{ opacity: 0, scale: 0.95 }} animate={{ opacity: 1, scale: 1 }} transition={{ duration: 0.5 }} className="relative z-10 w-full max-w-md">
        <motion.div initial={{ opacity: 0, x: -20 }} animate={{ opacity: 1, x: 0 }} className="mb-8">
          <Link href="/auth/choose-role" className="flex items-center gap-2 text-gray-400 hover:text-white transition-colors group">
            <motion.div whileHover={{ x: -5 }}><ArrowLeft className="w-4 h-4" /></motion.div>
            <span>{t('forgotPassword.backToLogin')}</span>
          </Link>
        </motion.div>

        <div className="mb-6 flex gap-2">
          {[1, 2].map((s) => (
            <motion.div key={s} className={`h-2 flex-1 rounded-full ${step >= s ? 'bg-blue-500' : 'bg-gray-700'}`} animate={{ scaleX: step >= s ? 1 : 0.5 }} />
          ))}
        </div>

        <div className="bg-white/5 backdrop-blur-xl rounded-3xl shadow-2xl border border-white/10 overflow-hidden">
          <div className="bg-gradient-to-r from-blue-500 to-blue-600 p-8 text-center relative overflow-hidden">
            <motion.div initial={{ scale: 0 }} animate={{ scale: 1 }} transition={{ delay: 0.2, type: "spring" }} className="absolute -top-10 -right-10 w-40 h-40 bg-white/10 rounded-full" />
            <motion.div initial={{ y: 20, opacity: 0 }} animate={{ y: 0, opacity: 1 }} className="relative z-10">
              <motion.div animate={{ rotate: [0, 10, -10, 0] }} transition={{ duration: 2, repeat: Infinity }} className="w-20 h-20 mx-auto mb-4 bg-white/20 rounded-2xl flex items-center justify-center backdrop-blur-sm">
                <Home className="w-10 h-10 text-white" />
              </motion.div>
              <h1 className="text-3xl font-bold text-white mb-2">{step === 1 ? t('register.tenant.step1Title') : t('register.tenant.step2Title')}</h1>
              <p className="text-blue-100">{step === 1 ? t('register.tenant.step1Desc') : t('register.tenant.step2Desc')}</p>
            </motion.div>
          </div>

          <div className="p-8">
            <motion.form variants={staggerContainer} initial="initial" animate="animate" onSubmit={step === 1 ? (e) => { e.preventDefault(); handleNextStep(); } : handleSubmit} className="space-y-6">
              {step === 1 && (
                <>
                  <motion.div variants={fadeInUp} className="grid grid-cols-2 gap-3">
                    <div>
                      <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.firstName')} <span className="text-red-500">*</span></label>
                      <div className="relative group">
                        <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                          <User className={`w-5 h-5 ${errors.firstName ? 'text-red-500' : 'text-gray-400 group-focus-within:text-blue-500'}`} />
                        </div>
                        <input type="text" value={formData.firstName} onChange={(e) => { setFormData({...formData, firstName: e.target.value}); setErrors({...errors, firstName: null}); }} className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.firstName ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.firstName')} />
                      </div>
                      {errors.firstName && <p className="text-red-500 text-sm mt-1">{errors.firstName}</p>}
                    </div>
                    <div>
                      <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.lastName')} <span className="text-red-500">*</span></label>
                      <input type="text" value={formData.lastName} onChange={(e) => { setFormData({...formData, lastName: e.target.value}); setErrors({...errors, lastName: null}); }} className={`w-full px-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.lastName ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.lastName')} />
                      {errors.lastName && <p className="text-red-500 text-sm mt-1">{errors.lastName}</p>}
                    </div>
                  </motion.div>

                  <motion.div variants={fadeInUp}>
                    <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.email')} <span className="text-red-500">*</span></label>
                    <div className="relative group">
                      <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                        <Mail className={`w-5 h-5 ${errors.email ? 'text-red-500' : 'text-gray-400 group-focus-within:text-blue-500'}`} />
                      </div>
                      <input type="email" value={formData.email} onChange={(e) => { setFormData({...formData, email: e.target.value}); setErrors({...errors, email: null}); }} className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.email ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.emailPlaceholder')} />
                    </div>
                    {errors.email && <p className="text-red-500 text-sm mt-1">{errors.email}</p>}
                  </motion.div>

                  <motion.div variants={fadeInUp}>
                    <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.phone')} <span className="text-red-500">*</span></label>
                    <div className="relative group">
                      <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                        <Phone className={`w-5 h-5 ${errors.phone ? 'text-red-500' : 'text-gray-400 group-focus-within:text-blue-500'}`} />
                      </div>
                      <input type="tel" value={formData.phone} onChange={(e) => { setFormData({...formData, phone: e.target.value}); setErrors({...errors, phone: null}); }} className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.phone ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.phonePlaceholder')} />
                    </div>
                    {errors.phone && <p className="text-red-500 text-sm mt-1">{errors.phone}</p>}
                  </motion.div>

                  <motion.div variants={fadeInUp}>
                    <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.whatsapp')} <span className="text-red-500">*</span></label>
                    <div className="relative group">
                      <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                        <Phone className={`w-5 h-5 ${errors.whatsapp ? 'text-red-500' : 'text-gray-400 group-focus-within:text-blue-500'}`} />
                      </div>
                      <input type="tel" value={formData.whatsapp} onChange={(e) => { setFormData({...formData, whatsapp: e.target.value}); setErrors({...errors, whatsapp: null}); }} className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.whatsapp ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.whatsappPlaceholder')} />
                    </div>
                    {errors.whatsapp && <p className="text-red-500 text-sm mt-1">{errors.whatsapp}</p>}
                  </motion.div>

                  <motion.div variants={fadeInUp}>
                    <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.phoneSecondary')} <span className="text-red-500">*</span></label>
                    <div className="relative group">
                      <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                        <Phone className={`w-5 h-5 ${errors.phone2 ? 'text-red-500' : 'text-gray-400 group-focus-within:text-blue-500'}`} />
                      </div>
                      <input type="tel" value={formData.phone2} onChange={(e) => { setFormData({...formData, phone2: e.target.value}); setErrors({...errors, phone2: null}); }} className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.phone2 ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.phoneSecondaryPlaceholder')} maxLength={7} />
                    </div>
                    {errors.phone2 && <p className="text-red-500 text-sm mt-1">{errors.phone2}</p>}
                  </motion.div>

                  <motion.div variants={fadeInUp}>
                    <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.nationalNumber')} <span className="text-red-500">*</span></label>
                    <div className="relative group">
                      <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                        <User className={`w-5 h-5 ${errors.nationalNumber ? 'text-red-500' : 'text-gray-400 group-focus-within:text-blue-500'}`} />
                      </div>
                      <input type="text" value={formData.nationalNumber} onChange={(e) => { setFormData({...formData, nationalNumber: e.target.value}); setErrors({...errors, nationalNumber: null}); }} className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.nationalNumber ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.nationalNumberPlaceholder')} />
                    </div>
                    {errors.nationalNumber && <p className="text-red-500 text-sm mt-1">{errors.nationalNumber}</p>}
                  </motion.div>

                  <motion.div variants={fadeInUp}>
                    <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.customerType')} <span className="text-red-500">*</span></label>
                    <select value={formData.customerType} onChange={(e) => setFormData({...formData, customerType: e.target.value})} className="w-full py-3 px-4 bg-white/5 border border-gray-700 rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white appearance-none cursor-pointer">
                      {Object.entries(CustomerTypeLabels).map(([value, label]) => (<option key={value} value={value} className="bg-gray-900 text-white">{label}</option>))}
                    </select>
                  </motion.div>

                  <motion.div variants={fadeInUp}>
                    <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.password')} <span className="text-red-500">*</span></label>
                    <div className="relative group">
                      <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                        <Lock className={`w-5 h-5 ${errors.password ? 'text-red-500' : 'text-gray-400 group-focus-within:text-blue-500'}`} />
                      </div>
                      <input type={showPassword ? "text" : "password"} value={formData.password} onChange={(e) => { setFormData({...formData, password: e.target.value}); setErrors({...errors, password: null}); }} className={`w-full pr-12 pl-12 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.password ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.passwordPlaceholder')} />
                      <button type="button" onClick={() => setShowPassword(!showPassword)} className="absolute inset-y-0 left-0 pl-3 flex items-center">
                        {showPassword ? <EyeOff className="w-5 h-5 text-gray-400" /> : <Eye className="w-5 h-5 text-gray-400" />}
                      </button>
                    </div>
                    {errors.password && <p className="text-red-500 text-sm mt-1">{errors.password}</p>}
                  </motion.div>

                  <motion.div variants={fadeInUp}>
                    <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.confirmPassword')} <span className="text-red-500">*</span></label>
                    <div className="relative group">
                      <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                        <Lock className={`w-5 h-5 ${errors.confirmPassword ? 'text-red-500' : 'text-gray-400 group-focus-within:text-blue-500'}`} />
                      </div>
                      <input type={showConfirmPassword ? "text" : "password"} value={formData.confirmPassword} onChange={(e) => { setFormData({...formData, confirmPassword: e.target.value}); setErrors({...errors, confirmPassword: null}); }} className={`w-full pr-12 pl-12 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${errors.confirmPassword ? 'border-red-500' : 'border-gray-700'}`} placeholder={t('register.confirmPasswordPlaceholder')} />
                      <button type="button" onClick={() => setShowConfirmPassword(!showConfirmPassword)} className="absolute inset-y-0 left-0 pl-3 flex items-center">
                        {showConfirmPassword ? <EyeOff className="w-5 h-5 text-gray-400" /> : <Eye className="w-5 h-5 text-gray-400" />}
                      </button>
                      {formData.confirmPassword && (<div className="absolute inset-y-0 left-12 flex items-center">{formData.password === formData.confirmPassword ? <CheckCircle className="w-5 h-5 text-green-500" /> : <XCircle className="w-5 h-5 text-red-500" />}</div>)}
                    </div>
                    {errors.confirmPassword && <p className="text-red-500 text-sm mt-1">{errors.confirmPassword}</p>}
                  </motion.div>
                </>
              )}

              {step === 2 && (
                <>
                  <motion.div variants={fadeInUp} className="flex items-center gap-2">
                    <input type="checkbox" id="terms" checked={formData.agreeTerms} onChange={(e) => setFormData({...formData, agreeTerms: e.target.checked})} className="w-4 h-4 rounded border-gray-600 bg-white/5 text-blue-500 focus:ring-blue-500" required />
                    <label htmlFor="terms" className="text-sm text-gray-300">
                      {t('register.agreeTerms')} <Link href="/terms" className="text-blue-400 hover:text-blue-300">{t('register.termsOfUse')}</Link> {t('register.and')} <Link href="/privacy" className="text-blue-400 hover:text-blue-300">{t('register.privacyPolicy')}</Link>
                    </label>
                  </motion.div>
                </>
              )}

              <motion.div variants={fadeInUp} className="flex gap-3 pt-4">
                {step === 1 ? (
                  <>
                    <button type="button" onClick={() => router.push('/auth/choose-role')} className="flex-1 py-3 px-4 bg-white/5 border border-gray-700 rounded-xl text-gray-300 hover:bg-white/10 transition-colors">{t('register.cancel')}</button>
                    <button type="submit" className="flex-1 bg-gradient-to-r from-blue-500 to-blue-600 text-white py-3 px-4 rounded-xl font-medium hover:from-blue-600 hover:to-blue-700 transition-all">{t('register.next')}</button>
                  </>
                ) : (
                  <>
                    <button type="button" onClick={() => setStep(1)} className="flex-1 py-3 px-4 bg-white/5 border border-gray-700 rounded-xl text-gray-300 hover:bg-white/10 transition-colors">{t('register.previous')}</button>
                    <button type="submit" disabled={isLoading || !formData.agreeTerms} className="flex-1 bg-gradient-to-r from-blue-500 to-blue-600 text-white py-3 px-4 rounded-xl font-medium hover:from-blue-600 hover:to-blue-700 transition-all disabled:opacity-50 disabled:cursor-not-allowed">
                      {isLoading ? (<div className="flex items-center justify-center gap-2"><Loader2 className="w-5 h-5 animate-spin" /><span>{t('register.registering')}</span></div>) : t('register.createAccount')}
                    </button>
                  </>
                )}
              </motion.div>

              {step === 1 && (
                <motion.p variants={fadeInUp} className="text-center text-gray-400 mt-4">
                  {t('register.haveAccount')} <Link href="/login" className="text-blue-400 hover:text-blue-300 font-medium transition-colors">{t('register.loginLink')}</Link>
                </motion.p>
              )}
            </motion.form>
          </div>
        </div>
      </motion.div>

      <AnimatePresence>
        {showOtpModal && (
          <motion.div initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }} className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center p-4 z-50">
            <motion.div initial={{ scale: 0.9, y: 20 }} animate={{ scale: 1, y: 0 }} exit={{ scale: 0.9, y: 20 }} className="bg-gray-900 border border-white/10 rounded-2xl w-full max-w-md p-6 shadow-2xl">
              <div className="text-center mb-6">
                <div className="w-16 h-16 bg-blue-500/20 rounded-full flex items-center justify-center mx-auto mb-3"><Shield className="w-8 h-8 text-blue-500" /></div>
                <h2 className="text-xl font-bold text-white">{t('register.otpTitle')}</h2>
                <p className="text-gray-400 text-sm mt-1">{t('register.otpSentTo')}</p>
                <p className="text-blue-400 font-medium text-sm">{formData.email}</p>
              </div>
              <div className="mb-6">
                <label className="block text-sm font-medium text-gray-300 mb-2">{t('register.otpLabel')}</label>
                <div className="relative">
                  <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none"><KeyRound className="w-5 h-5 text-gray-400" /></div>
                  <input type="text" value={otpCode} maxLength={6} onChange={(e) => setOtpCode(e.target.value)} className="w-full pr-12 pl-4 py-3 bg-white/5 border border-gray-700 rounded-xl focus:outline-none focus:ring-2 focus:ring-blue-500 text-white text-center tracking-[0.5em] text-xl" placeholder="------" />
                </div>
              </div>
              <div className="flex gap-3">
                <button onClick={handleVerifyOTP} disabled={isLoading || !otpCode} className="flex-1 bg-gradient-to-r from-blue-500 to-blue-600 text-white py-3 rounded-xl font-medium hover:from-blue-600 hover:to-blue-700 disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2">
                  {isLoading ? <><Loader2 className="w-5 h-5 animate-spin" /><span>{t('register.verifying')}</span></> : t('register.verify')}
                </button>
              </div>
              <button onClick={handleResendOTP} disabled={isLoading} className="w-full text-center text-blue-400 hover:text-blue-300 text-sm mt-3 disabled:opacity-50">{t('register.resendOtp')}</button>
            </motion.div>
          </motion.div>
        )}
      </AnimatePresence>
    </div>
  );
}