AuthPages.jsx

"use client";
import React, { useState } from "react";

// ── Icons ────────────────────────────────────────────────────────────────────
const UserIcon = () => (
  <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
    <path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2"></path>
    <circle cx="12" cy="7" r="4"></circle>
  </svg>
);
const MailIcon = () => (
  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
    <path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"></path>
    <polyline points="22,6 12,13 2,6"></polyline>
  </svg>
);
const LockIcon = () => (
  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
    <rect x="3" y="11" width="18" height="11" rx="2" ry="2"></rect>
    <circle cx="12" cy="16" r="1"></circle>
    <path d="M7 11V7a5 5 0 0 1 10 0v4"></path>
  </svg>
);
const EyeIcon = () => (
  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
    <path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path>
    <circle cx="12" cy="12" r="3"></circle>
  </svg>
);
const EyeOffIcon = () => (
  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
    <path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24"></path>
    <line x1="1" y1="1" x2="23" y2="23"></line>
  </svg>
);
const TwitterIcon = () => (
  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
    <path d="M18.244 2.25h3.308l-7.227 8.26 8.502 11.24H16.17l-5.214-6.817L4.99 21.75H1.68l7.73-8.835L1.254 2.25H8.08l4.713 6.231zm-1.161 17.52h1.833L7.084 4.126H5.117z" />
  </svg>
);
const LinkedInIcon = () => (
  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
    <path d="M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433c-1.144 0-2.063-.926-2.063-2.065 0-1.138.92-2.063 2.063-2.063 1.14 0 2.064.925 2.064 2.063 0 1.139-.925 2.065-2.064 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z" />
  </svg>
);
const CheckIcon = () => (
  <svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="3" strokeLinecap="round" strokeLinejoin="round">
    <polyline points="20,6 9,17 4,12"></polyline>
  </svg>
);
const GoogleIcon = () => (
  <svg className="mr-2 h-4 w-4" viewBox="0 0 48 48">
    <path fill="#EA4335" d="M24 9.5c3.54 0 6.71 1.22 9.21 3.6l6.85-6.85C35.9 2.38 30.47 0 24 0 14.62 0 6.51 5.38 2.56 13.22l7.98 6.19C12.43 13.72 17.74 9.5 24 9.5z"></path>
    <path fill="#4285F4" d="M46.98 24.55c0-1.57-.15-3.09-.42-4.55H24v9.02h12.94c-.58 2.96-2.26 5.48-4.78 7.18l7.73 6c4.51-4.18 7.09-10.36 7.09-17.65z"></path>
    <path fill="#FBBC05" d="M10.53 28.59c-.48-1.45-.76-2.99-.76-4.59s.27-3.14.76-4.59l-7.98-6.19C.92 16.46 0 20.12 0 24c0 3.88.92 7.54 2.56 10.78l7.97-6.19z"></path>
    <path fill="#34A853" d="M24 48c6.48 0 11.93-2.13 15.89-5.81l-7.73-6c-2.15 1.45-4.92 2.3-8.16 2.3-6.26 0-11.57-4.22-13.47-9.91l-7.98 6.19C6.51 42.62 14.62 48 24 48z"></path>
    <path fill="none" d="M0 0h48v48H0z"></path>
  </svg>
);

// ── Login Page ────────────────────────────────────────────────────────────────
function LoginPage({ onSwitch }) {
  const [passwordVisible, setPasswordVisible] = useState(false);

  const handleSubmit = (e) => {
    e.preventDefault();
    console.log("Login submitted!");
  };

  return (
    <div className="flex items-center justify-center p-4">
      <div className="mx-auto flex w-full flex-col justify-center space-y-6 sm:w-[350px]">
        <div className="flex flex-col space-y-2 text-center">
          <h1 className="text-2xl font-semibold tracking-tight">Welcome back</h1>
          <p className="text-sm text-muted-foreground">
            Enter your email below to sign in to your account
          </p>
        </div>

        <div className="grid gap-6">
          <form onSubmit={handleSubmit}>
            <div className="grid gap-4">
              <div className="grid gap-2">
                <label className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70" htmlFor="login-email">
                  Email
                </label>
                <input
                  className="flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50"
                  id="login-email"
                  placeholder="name@example.com"
                  required
                  type="email"
                />
              </div>
              <div className="grid gap-2">
                <div className="flex items-center">
                  <label className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70" htmlFor="login-password">
                    Password
                  </label>
                  <a href="#" className="ml-auto inline-block text-sm underline text-muted-foreground hover:text-primary">
                    Forgot your password?
                  </a>
                </div>
                <div className="relative">
                  <input
                    className="flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50"
                    id="login-password"
                    required
                    type={passwordVisible ? "text" : "password"}
                  />
                  <div className="absolute inset-y-0 right-0 flex items-center pr-3 cursor-pointer" onClick={() => setPasswordVisible(!passwordVisible)}>
                    {passwordVisible ? <EyeOffIcon /> : <EyeIcon />}
                  </div>
                </div>
              </div>
              <button className="inline-flex items-center justify-center rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 bg-primary text-primary-foreground hover:bg-primary/90 h-10 px-4 py-2 w-full">
                Sign In
              </button>
            </div>
          </form>

          <div className="relative">
            <div className="absolute inset-0 flex items-center">
              <span className="w-full border-t border-border" />
            </div>
            <div className="relative flex justify-center text-xs uppercase">
              <span className="bg-background px-2 text-muted-foreground">Or continue with</span>
            </div>
          </div>

          <div className="grid grid-cols-2 gap-2">
            <button type="button" className="inline-flex items-center justify-center rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 border border-input bg-background hover:bg-accent hover:text-accent-foreground h-10 px-4 py-2 w-full">
              <GoogleIcon />
              Google
            </button>
            <button type="button" className="inline-flex items-center justify-center rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 border border-input bg-background hover:bg-accent hover:text-accent-foreground h-10 px-4 py-2 w-full">
              <svg className="mr-2 h-4 w-4" viewBox="0 0 24 24" fill="currentColor"><path d="M12 0C5.37 0 0 5.37 0 12c0 5.31 3.435 9.795 8.205 11.385.6.105.825-.255.825-.57 0-.285-.015-1.23-.015-2.235-3.015.555-3.795-.735-4.035-1.41-.135-.345-.72-1.41-1.23-1.695-.42-.225-1.02-.78-.015-.795.945-.015 1.62.87 1.845 1.23 1.08 1.815 2.805 1.305 3.495.99.105-.78.42-1.305.765-1.605-2.67-.3-5.46-1.335-5.46-5.925 0-1.305.465-2.385 1.23-3.225-.12-.3-.54-1.53.12-3.18 0 0 1.005-.315 3.3 1.23.96-.27 1.98-.405 3-.405s2.04.135 3 .405c2.295-1.56 3.3-1.23 3.3-1.23.66 1.65.24 2.88.12 3.18.765.84 1.23 1.905 1.23 3.225 0 4.605-2.805 5.625-5.475 5.925.435.375.81 1.095.81 2.22 0 1.605-.015 2.895-.015 3.3 0 .315.225.69.825.57A12.02 12.02 0 0 0 24 12c0-6.63-5.37-12-12-12z"/></svg>
              GitHub
            </button>
          </div>
        </div>

        <p className="px-8 text-center text-sm text-muted-foreground">
          Don&apos;t have an account?{" "}
          <button onClick={onSwitch} className="underline underline-offset-4 hover:text-primary bg-transparent border-0 cursor-pointer p-0 text-sm">
            Sign up
          </button>
        </p>
      </div>
    </div>
  );
}

// ── Sign Up Page ──────────────────────────────────────────────────────────────
function SignUpPage({ onSwitch }) {
  const [showPassword, setShowPassword] = useState(false);
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [fullName, setFullName] = useState("");
  const [isChecked, setIsChecked] = useState(false);

  return (
    <div className="flex items-center justify-center p-4">
      <div className="w-full max-w-sm">
        <div className="signin-card bg-white dark:bg-black border border-gray-200 dark:border-gray-800 rounded-lg shadow-sm p-6">
          <div className="text-center mb-6">
            <div className="inline-flex items-center justify-center w-12 h-12 bg-gray-100 dark:bg-gray-900 rounded-full mb-4">
              <UserIcon />
            </div>
            <h1 className="text-2xl font-semibold text-gray-900 dark:text-gray-100 mb-2">Create account</h1>
            <p className="text-sm text-gray-600 dark:text-gray-400">Enter your details to get started</p>
          </div>

          <form className="space-y-4">
            <div className="space-y-2">
              <label className="text-sm font-medium text-gray-900 dark:text-gray-100">Full Name</label>
              <input
                type="text"
                value={fullName}
                onChange={(e) => setFullName(e.target.value)}
                placeholder="Enter your full name"
                className="signin-input w-full px-3 py-2 bg-white dark:bg-black border border-gray-200 dark:border-gray-800 rounded-md text-sm text-gray-900 dark:text-gray-100 placeholder:text-gray-500 dark:placeholder:text-gray-400 focus:outline-none focus:ring-2 focus:ring-gray-900 dark:focus:ring-gray-100 focus:border-transparent transition-all duration-200"
              />
            </div>

            <div className="space-y-2">
              <label className="text-sm font-medium text-gray-900 dark:text-gray-100">Email</label>
              <div className="relative">
                <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-gray-400 dark:text-gray-500">
                  <MailIcon />
                </div>
                <input
                  type="email"
                  value={email}
                  onChange={(e) => setEmail(e.target.value)}
                  placeholder="name@example.com"
                  className="signin-input w-full pl-9 pr-3 py-2 bg-white dark:bg-black border border-gray-200 dark:border-gray-800 rounded-md text-sm text-gray-900 dark:text-gray-100 placeholder:text-gray-500 dark:placeholder:text-gray-400 focus:outline-none focus:ring-2 focus:ring-gray-900 dark:focus:ring-gray-100 focus:border-transparent transition-all duration-200"
                />
              </div>
            </div>

            <div className="space-y-2">
              <label className="text-sm font-medium text-gray-900 dark:text-gray-100">Password</label>
              <div className="relative">
                <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-gray-400 dark:text-gray-500">
                  <LockIcon />
                </div>
                <input
                  type={showPassword ? "text" : "password"}
                  value={password}
                  onChange={(e) => setPassword(e.target.value)}
                  placeholder="Create a password"
                  className="signin-input w-full pl-9 pr-10 py-2 bg-white dark:bg-black border border-gray-200 dark:border-gray-800 rounded-md text-sm text-gray-900 dark:text-gray-100 placeholder:text-gray-500 dark:placeholder:text-gray-400 focus:outline-none focus:ring-2 focus:ring-gray-900 dark:focus:ring-gray-100 focus:border-transparent transition-all duration-200"
                />
                <button type="button" onClick={() => setShowPassword(!showPassword)} className="absolute inset-y-0 right-0 pr-3 flex items-center text-gray-400 dark:text-gray-500 hover:text-gray-600 dark:hover:text-gray-300 transition-colors">
                  {showPassword ? <EyeOffIcon /> : <EyeIcon />}
                </button>
              </div>
            </div>

            <div className="flex items-start space-x-2">
              <div className="relative flex items-center">
                <input id="terms" type="checkbox" checked={isChecked} onChange={(e) => setIsChecked(e.target.checked)} className="sr-only" />
                <label htmlFor="terms" className="flex items-center cursor-pointer">
                  <div className={`w-4 h-4 border border-gray-300 dark:border-gray-600 rounded flex items-center justify-center transition-all duration-200 ${isChecked ? "bg-gray-900 dark:bg-gray-100 border-gray-900 dark:border-gray-100" : "bg-white dark:bg-black hover:border-gray-400 dark:hover:border-gray-500"}`}>
                    {isChecked && <CheckIcon />}
                  </div>
                </label>
              </div>
              <label htmlFor="terms" className="text-sm text-gray-600 dark:text-gray-400 cursor-pointer leading-4">
                I agree to the{" "}
                <a href="#" className="text-gray-900 dark:text-gray-100 hover:underline">Terms of Service</a>{" "}
                and{" "}
                <a href="#" className="text-gray-900 dark:text-gray-100 hover:underline">Privacy Policy</a>
              </label>
            </div>

            <button
              type="submit"
              disabled={!isChecked}
              className="signin-button w-full bg-gray-900 dark:bg-gray-100 text-white dark:text-gray-900 py-2 px-4 rounded-md text-sm font-medium hover:bg-gray-800 dark:hover:bg-gray-200 focus:outline-none focus:ring-2 focus:ring-gray-900 dark:focus:ring-gray-100 focus:ring-offset-2 focus:ring-offset-white dark:focus:ring-offset-black transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed"
            >
              Create account
            </button>
          </form>

          <div className="relative my-6">
            <div className="absolute inset-0 flex items-center">
              <div className="w-full border-t border-gray-200 dark:border-gray-800"></div>
            </div>
            <div className="relative flex justify-center text-xs uppercase">
              <span className="bg-white dark:bg-black px-2 text-gray-500 dark:text-gray-400">Or continue with</span>
            </div>
          </div>

          <div className="grid grid-cols-2 gap-3">
            <button className="flex items-center justify-center py-2 px-3 border border-gray-200 dark:border-gray-800 bg-white dark:bg-black text-gray-700 dark:text-gray-300 hover:bg-gray-50 dark:hover:bg-gray-900 transition-all duration-200 text-sm font-medium rounded-md">
              <TwitterIcon /><span className="ml-2">Twitter</span>
            </button>
            <button className="flex items-center justify-center py-2 px-3 border border-gray-200 dark:border-gray-800 bg-white dark:bg-black text-gray-700 dark:text-gray-300 hover:bg-gray-50 dark:hover:bg-gray-900 transition-all duration-200 text-sm font-medium rounded-md">
              <LinkedInIcon /><span className="ml-2">LinkedIn</span>
            </button>
          </div>

          <div className="mt-6 text-center">
            <p className="text-sm text-gray-600 dark:text-gray-400">
              Already have an account?{" "}
              <button onClick={onSwitch} className="text-gray-900 dark:text-gray-100 font-medium hover:underline bg-transparent border-0 cursor-pointer p-0 text-sm">
                Sign in
              </button>
            </p>
          </div>
        </div>
      </div>
    </div>
  );
}

// ── Root ──────────────────────────────────────────────────────────────────────
export default function AuthPages() {
  const [page, setPage] = useState("login");

  return (
    <>
      <style>{`
        .signin-input:focus { box-shadow: 0 0 0 2px rgba(0,0,0,0.1); }
        .dark .signin-input:focus { box-shadow: 0 0 0 2px rgba(255,255,255,0.1); }
        .signin-button:hover { transform: translateY(-1px); }
        @keyframes fadeIn { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }
        .signin-card { animation: fadeIn 0.3s ease-out; }
      `}</style>
      {page === "login"
        ? <LoginPage  onSwitch={() => setPage("signup")} />
        : <SignUpPage onSwitch={() => setPage("login")}  />
      }
    </>
  );
}