<?php
require_once __DIR__ . '/config.php';

if (is_logged_in()) {
    header('Location: ' . LOGIN_REDIRECT);
    exit;
}

$error = $_GET['error'] ?? null;

// TODO: set your real Cloudflare Turnstile site key (define this constant in config.php)
$turnstileSiteKey = defined('TURNSTILE_SITE_KEY') ? TURNSTILE_SITE_KEY : '1x00000000000000000000AA';
?>
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Daftar — Linkqu</title>
<link href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Inter:wght@400;500;600&display=swap" rel="stylesheet">
<link rel="icon" type="image/png" href="/favicon.png">
<script src="https://challenges.cloudflare.com/turnstile/v0/api.js" async defer></script>
<style>
  :root{
    --bg: #0a0710;
    --panel: rgba(255,255,255,0.04);
    --panel-border: rgba(255,255,255,0.09);
    --accent: #8b5cf6;
    --accent-2: #ec4899;
    --accent-3: #6366f1;
    --pink: var(--accent-2);
    --pink-light: var(--accent-2);
    --text: #f4f2fb;
    --muted: #9691ac;
    --accent-gradient: linear-gradient(135deg, var(--accent-3), var(--accent), var(--accent-2));
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html,body{height:100%;}
  body{
    background:var(--bg); color:var(--text); font-family:'Inter',sans-serif;
    min-height:100vh; display:flex; flex-direction:column;
  }

  .page-row{ flex:1; display:flex; overflow:hidden; }

  /* ===== LEFT: hero panel ===== */
  .hero{
    position:relative; flex:1.15; display:flex; flex-direction:column;
    justify-content:center; padding:64px 72px; overflow:hidden;
    background:
      radial-gradient(700px circle at 20% 10%, rgba(139,92,246,0.22), transparent 55%),
      radial-gradient(600px circle at 90% 85%, rgba(236,72,153,0.16), transparent 55%),
      #0d0a16;
  }
  .hero::after{
    content:""; position:absolute; inset:0; pointer-events:none;
    background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
                       linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 42px 42px;
    -webkit-mask-image: radial-gradient(circle at 30% 30%, black, transparent 70%);
            mask-image: radial-gradient(circle at 30% 30%, black, transparent 70%);
  }
  .chain{ position:relative; z-index:1; margin-bottom:36px; }
  .brand-mark{
    width:96px; height:96px; border-radius:22px; display:block; object-fit:cover;
    box-shadow: 0 10px 34px rgba(139,92,246,0.45);
    animation: float 4s ease-in-out infinite;
  }
  @keyframes float{
    0%,100%{ transform:translateY(0); }
    50%{ transform:translateY(-6px); }
  }
  @media (prefers-reduced-motion: reduce){ .brand-mark{ animation:none; } }

  .eyebrow{
    position:relative; z-index:1;
    display:inline-flex; align-items:center; gap:8px;
    font-size:0.72rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase;
    color:var(--pink-light); margin-bottom:22px;
  }
  .eyebrow::before{ content:""; width:18px; height:1px; background:var(--pink-light); }

  h1.headline{
    position:relative; z-index:1;
    font-family:'Sora', sans-serif; font-weight:800; letter-spacing:-0.02em;
    font-size:clamp(2.1rem, 3.6vw, 3.1rem); line-height:1.08; color:#fff; max-width:560px;
  }
  h1.headline .accent{
    background:linear-gradient(120deg, var(--accent-3), var(--accent), var(--accent-2));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
  }
  p.lede{
    position:relative; z-index:1;
    margin-top:20px; max-width:440px; color:var(--muted); font-size:1rem; line-height:1.65;
  }

  .stats{ position:relative; z-index:1; display:flex; gap:40px; margin-top:52px; }
  .stat b{ display:block; font-family:'Sora'; font-size:1.5rem; font-weight:700; color:#fff; }
  .stat span{ font-size:0.78rem; color:var(--muted); }

  /* ===== RIGHT: auth panel ===== */
  .auth{
    flex:1; display:flex; align-items:center; justify-content:center;
    padding:40px; position:relative; overflow-y:auto;
  }
  .box{
    width:100%; max-width:400px; background:var(--panel); border:1px solid var(--panel-border);
    backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
    border-radius:20px; padding:40px 32px; text-align:left;
    box-shadow: 0 24px 70px rgba(0,0,0,0.5), 0 0 0 1px rgba(236,72,153,0.04) inset;
  }
  h2{
    font-family:'Sora'; font-size:1.5rem; font-weight:800; margin-bottom:6px; color:#fff;
    letter-spacing:-0.01em;
  }
  p.sub{color:var(--muted); font-size:0.86rem; margin-bottom:28px; line-height:1.5;}

  .field{ margin-bottom:18px; }
  .field label{
    display:block; font-size:0.68rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
    color:var(--pink-light); margin-bottom:8px;
  }
  .input-wrap{ position:relative; }
  .input-wrap input{
    width:100%; padding:13px 16px; border-radius:12px; border:1px solid rgba(255,255,255,0.09);
    background:rgba(255,255,255,0.03); color:#fff; font-size:0.92rem; font-family:'Inter';
    outline:none; transition: border-color .2s ease, box-shadow .2s ease;
  }
  .input-wrap input::placeholder{ color:#635d6f; }
  .input-wrap input:focus{
    border-color:var(--pink); box-shadow: 0 0 0 3px rgba(236,72,153,0.15);
  }
  .toggle-eye{
    position:absolute; right:14px; top:50%; transform:translateY(-50%);
    background:none; border:none; cursor:pointer; color:var(--muted); padding:2px; display:flex;
  }
  .toggle-eye:hover{ color:var(--pink-light); }

  .turnstile-wrap{ margin-bottom:18px; width:100%; }
  .turnstile-wrap .cf-turnstile{ width:100%; }
  .turnstile-wrap iframe{ width:100% !important; }

  .terms-row{
    display:flex; align-items:flex-start; gap:8px; margin-bottom:22px;
    font-size:0.8rem; color:var(--muted); line-height:1.45;
  }
  .terms-row input[type="checkbox"]{
    width:16px; height:16px; accent-color:var(--pink); cursor:pointer; margin-top:2px; flex-shrink:0;
  }
  .terms-row a{ color:var(--pink-light); text-decoration:none; font-weight:500; }
  .terms-row a:hover{ text-decoration:underline; }

  .submit-btn{
    width:100%; padding:15px; border:none; border-radius:12px; cursor:pointer;
    background:linear-gradient(135deg, var(--accent-3), var(--accent), var(--accent-2));
    color:#fff; font-weight:800; font-size:0.86rem; letter-spacing:.06em; text-transform:uppercase;
    font-family:'Inter'; transition:all .25s ease;
    box-shadow: 0 10px 28px rgba(139,92,246,0.35);
  }
  .submit-btn:hover{ transform:translateY(-2px); box-shadow: 0 14px 36px rgba(139,92,246,0.5); }
  .submit-btn:active{ transform:translateY(0); }

  .divider{
    display:flex; align-items:center; gap:14px; margin:26px 0;
    font-size:0.68rem; letter-spacing:.12em; text-transform:uppercase; color:#544f5e;
  }
  .divider::before, .divider::after{ content:""; flex:1; height:1px; background:rgba(255,255,255,0.08); }

  .google-btn{
    display:flex; align-items:center; justify-content:center; gap:10px;
    width:100%; padding:13px; border-radius:12px; border:1px solid rgba(255,255,255,0.1);
    background:#fff; color:#2b2b2b; font-weight:600; font-size:0.9rem;
    cursor:pointer; transition:all .25s ease; text-decoration:none;
  }
  .google-btn:hover{ transform:translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,0.35); }
  .google-btn:focus-visible{ outline:2px solid var(--pink); outline-offset:3px; }

  .error{
    background:rgba(236,72,153,0.12); border:1px solid rgba(236,72,153,0.3);
    color:#f9a8d4; font-size:0.82rem; padding:10px 14px; border-radius:10px; margin-bottom:20px;
  }
  .footer-note{margin-top:24px; font-size:0.78rem; color:#6b6580; text-align:center;}
  .footer-note a{
    color:var(--pink-light); text-decoration:none; font-weight:600;
  }
  .footer-note a:hover{ text-decoration:underline; }

  /* ===== copyright bar ===== */
  .copyright-bar{
    display:flex; align-items:center; justify-content:center; gap:8px;
    margin:0 40px 24px;
    padding:14px 24px;
    font-size:0.82rem;
    color:var(--muted);
  }
  .copyright-bar img{
    width:18px; height:18px; border-radius:5px;
    animation: crFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 0 6px rgba(139,92,246,0.55));
  }
  @keyframes crFloat{
    0%,100%{ transform:translateY(0); }
    50%{ transform:translateY(-3px); }
  }
  .copyright-bar strong{
    font-weight:700;
    background: linear-gradient(90deg, var(--accent-3), var(--accent), var(--accent-2), var(--accent), var(--accent-3));
    background-size:200% auto;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip:text;
    animation: crShimmer 4s linear infinite;
  }
  @keyframes crShimmer{
    0%{ background-position:0% center; }
    100%{ background-position:-200% center; }
  }
  @media (prefers-reduced-motion: reduce){
    .copyright-bar img, .copyright-bar strong{ animation:none; }
  }

  /* ===== responsive ===== */
  @media (max-width: 880px){
    .hero{ display:none; }
    .auth{ flex:1; }
  }
</style>
</head>
<body>

  <div class="page-row">
    <div class="hero">
      <div class="chain">
        <img src="/favicon.png" alt="Linkqu" class="brand-mark">
      </div>

      <div class="eyebrow">Linkqu</div>
      <h1 class="headline">Bergabung dan<br>mulai <span class="accent">kelola link-mu.</span></h1>
      <p class="lede">Buat akun gratis dan nikmati shortlink, biolink, vcard digital, dan file sharing dalam satu dashboard.</p>

    </div>

    <div class="auth">
      <div class="box">
        <h2>Buat Akun Baru</h2>
        <p class="sub">Isi data di bawah untuk mulai menggunakan Linkqu.</p>

        <?php if ($error): ?>
          <?php
            $errorMessages = [
              'missing_fields'      => 'Semua kolom wajib diisi.',
              'invalid_email'       => 'Format email tidak valid.',
              'weak_password'       => 'Kata sandi minimal 8 karakter.',
              'password_mismatch'   => 'Kata sandi dan konfirmasi tidak sama.',
              'terms_not_accepted'  => 'Kamu harus menyetujui Ketentuan & Privasi.',
              'captcha_failed'      => 'Verifikasi keamanan gagal. Coba lagi.',
              'email_taken'         => 'Email ini sudah terdaftar. Silakan masuk.',
              'server_error'        => 'Terjadi kesalahan di server. Coba lagi nanti.',
            ];
            $errorText = $errorMessages[$error] ?? 'Pendaftaran gagal. Silakan coba lagi.';
          ?>
          <div class="error"><?= htmlspecialchars($errorText) ?></div>
        <?php endif; ?>

        <form action="/auth/register.php" method="POST" id="registerForm">

          <div class="field">
            <label for="name">Nama Lengkap</label>
            <div class="input-wrap">
              <input type="text" id="name" name="name" placeholder="Nama kamu" required autocomplete="name">
            </div>
          </div>

          <div class="field">
            <label for="email">Email Pengguna</label>
            <div class="input-wrap">
              <input type="email" id="email" name="email" placeholder="pengguna@linkqu.click" required autocomplete="username">
            </div>
          </div>

          <div class="field">
            <label for="password">Kata Sandi</label>
            <div class="input-wrap">
              <input type="password" id="password" name="password" placeholder="Minimal 8 karakter" required autocomplete="new-password" minlength="8">
              <button type="button" class="toggle-eye" id="toggleEye" aria-label="Tampilkan kata sandi">
                <svg id="eyeIcon" width="19" height="19" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="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>
              </button>
            </div>
          </div>

          <div class="field">
            <label for="password_confirm">Konfirmasi Kata Sandi</label>
            <div class="input-wrap">
              <input type="password" id="password_confirm" name="password_confirm" placeholder="Ulangi kata sandi" required autocomplete="new-password" minlength="8">
              <button type="button" class="toggle-eye" id="toggleEye2" aria-label="Tampilkan kata sandi">
                <svg id="eyeIcon2" width="19" height="19" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="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>
              </button>
            </div>
          </div>

          <div class="turnstile-wrap">
            <div class="cf-turnstile" data-sitekey="<?= htmlspecialchars($turnstileSiteKey) ?>" data-theme="dark" data-size="flexible"></div>
          </div>

          <label class="terms-row">
            <input type="checkbox" name="agree" value="1" required>
            <span>Saya setuju dengan <a href="/terms">Ketentuan</a> &amp; <a href="/privacy">Privasi</a> Linkqu.</span>
          </label>

          <button type="submit" class="submit-btn">Buat Akun Sekarang</button>
        </form>

        <div class="divider">Akses Eksternal</div>

        <a href="/auth/google-login.php" class="google-btn">
          <svg width="18" height="18" viewBox="0 0 48 48">
            <path fill="#4285F4" d="M43.6 20.5H42V20H24v8h11.3C33.7 32.9 29.3 36 24 36c-6.6 0-12-5.4-12-12s5.4-12 12-12c3.1 0 5.9 1.2 8 3.1l6-6C34.6 5.4 29.6 3 24 3 12.4 3 3 12.4 3 24s9.4 21 21 21 21-9.4 21-21c0-1.2-.1-2.3-.4-3.5z"/>
            <path fill="#34A853" d="M6.3 14.7l6.6 4.8C14.6 15.9 18.9 13 24 13c3.1 0 5.9 1.2 8 3.1l6-6C34.6 5.4 29.6 3 24 3c-7.7 0-14.4 4.3-17.7 11.7z"/>
            <path fill="#FBBC05" d="M24 45c5.5 0 10.4-2.1 14.1-5.6l-6.5-5.5C29.6 35.6 27 36.5 24 36.5c-5.2 0-9.6-3.5-11.2-8.3l-6.6 5.1C9.5 40.5 16.2 45 24 45z"/>
            <path fill="#EA4335" d="M43.6 20.5H42V20H24v8h11.3c-.8 2.3-2.3 4.3-4.2 5.8l6.5 5.5C40.9 36.6 45 30.9 45 24c0-1.2-.1-2.3-.4-3.5z"/>
          </svg>
          Daftar dengan Google
        </a>

        <p class="footer-note">Sudah punya akun? <a href="/login">Masuk di sini</a></p>
      </div>
    </div>
  </div>

  <div class="copyright-bar">
    <img src="/favicon.png" alt="Linkqu">
    <span>Hak cipta &copy; <strong>Linkqu</strong> 2026</span>
  </div>

  <script>
    function setupToggle(btnId, iconId, inputId){
      const toggleBtn = document.getElementById(btnId);
      const input = document.getElementById(inputId);
      const icon = document.getElementById(iconId);
      const eyeOpen = '<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>';
      const eyeClosed = '<path d="M17.94 17.94A10.94 10.94 0 0 1 12 20c-7 0-11-8-11-8a21.6 21.6 0 0 1 5.06-6.06M9.9 4.24A10.94 10.94 0 0 1 12 4c7 0 11 8 11 8a21.6 21.6 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>';
      toggleBtn.addEventListener('click', () => {
        const isPassword = input.type === 'password';
        input.type = isPassword ? 'text' : 'password';
        icon.innerHTML = isPassword ? eyeClosed : eyeOpen;
        toggleBtn.setAttribute('aria-label', isPassword ? 'Sembunyikan kata sandi' : 'Tampilkan kata sandi');
      });
    }
    setupToggle('toggleEye', 'eyeIcon', 'password');
    setupToggle('toggleEye2', 'eyeIcon2', 'password_confirm');

    document.getElementById('registerForm').addEventListener('submit', function(e){
      const pw = document.getElementById('password').value;
      const pwConfirm = document.getElementById('password_confirm').value;
      if (pw !== pwConfirm) {
        e.preventDefault();
        alert('Kata sandi dan konfirmasi kata sandi tidak sama.');
      }
    });
  </script>

</body>
</html>