{{ define "main" }}
<div class="auth-page">
  <h1 class="auth-page__title">{{ .Title }}</h1>

  <div class="auth-card">
    <div id="auth-message" class="auth-message" aria-live="polite" style="display:none"></div>

    <form id="signup-form" class="auth-form" novalidate>
      <div class="auth-form__group">
        <label class="auth-form__label" for="signup-username">Username</label>
        <input
          class="auth-form__input"
          type="text"
          id="signup-username"
          name="username"
          autocomplete="username"
          required
          placeholder="choose_a_username"
          minlength="3"
          maxlength="32"
          pattern="[a-zA-Z0-9_\-]+"
        />
        <span class="auth-form__hint">3–32 characters; letters, numbers, _ and - only.</span>
      </div>

      <div class="auth-form__group">
        <label class="auth-form__label" for="signup-email">Email</label>
        <input
          class="auth-form__input"
          type="email"
          id="signup-email"
          name="email"
          autocomplete="email"
          required
          placeholder="you@example.com"
        />
      </div>

      <div class="auth-form__group">
        <label class="auth-form__label" for="signup-password">Password</label>
        <div class="auth-form__input-wrap">
          <input
            class="auth-form__input"
            type="password"
            id="signup-password"
            name="password"
            autocomplete="new-password"
            required
            placeholder="••••••••"
            minlength="8"
          />
          <button type="button" class="auth-form__eye" aria-label="Toggle password visibility" tabindex="-1">
            <svg class="eye-show" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="16" height="16" fill="currentColor"><path d="M12 4.5C7 4.5 2.73 7.61 1 12c1.73 4.39 6 7.5 11 7.5s9.27-3.11 11-7.5c-1.73-4.39-6-7.5-11-7.5zM12 17c-2.76 0-5-2.24-5-5s2.24-5 5-5 5 2.24 5 5-2.24 5-5 5zm0-8c-1.66 0-3 1.34-3 3s1.34 3 3 3 3-1.34 3-3-1.34-3-3-3z"/></svg>
            <svg class="eye-hide" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="16" height="16" fill="currentColor" style="display:none"><path d="M12 7c2.76 0 5 2.24 5 5 0 .65-.13 1.26-.36 1.83l2.92 2.92c1.51-1.26 2.7-2.89 3.43-4.75-1.73-4.39-6-7.5-11-7.5-1.4 0-2.74.25-3.98.7l2.16 2.16C10.74 7.13 11.35 7 12 7zM2 4.27l2.28 2.28.46.46C3.08 8.3 1.78 10.02 1 12c1.73 4.39 6 7.5 11 7.5 1.55 0 3.03-.3 4.38-.84l.42.42L19.73 22 21 20.73 3.27 3 2 4.27zM7.53 9.8l1.55 1.55c-.05.21-.08.43-.08.65 0 1.66 1.34 3 3 3 .22 0 .44-.03.65-.08l1.55 1.55c-.67.33-1.41.53-2.2.53-2.76 0-5-2.24-5-5 0-.79.2-1.53.53-2.2zm4.31-.78l3.15 3.15.02-.16c0-1.66-1.34-3-3-3l-.17.01z"/></svg>
          </button>
        </div>
        <span class="auth-form__hint">At least 8 characters.</span>
      </div>

      <div class="auth-form__group">
        <label class="auth-form__label" for="signup-confirm">Confirm Password</label>
        <div class="auth-form__input-wrap">
          <input
            class="auth-form__input"
            type="password"
            id="signup-confirm"
            name="confirm_password"
            autocomplete="new-password"
            required
            placeholder="••••••••"
          />
        </div>
      </div>

      <button type="submit" class="auth-form__submit" id="signup-submit">
        <span class="auth-form__submit-text">Create Account</span>
        <span class="auth-form__submit-loader" style="display:none">
          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="16" height="16" fill="currentColor" class="spin"><path d="M12 4V1L8 5l4 4V6c3.31 0 6 2.69 6 6 0 1.01-.25 1.97-.7 2.8l1.46 1.46C19.54 15.03 20 13.57 20 12c0-4.42-3.58-8-8-8zm0 14c-3.31 0-6-2.69-6-6 0-1.01.25-1.97.7-2.8L5.24 7.74C4.46 8.97 4 10.43 4 12c0 4.42 3.58 8 8 8v3l4-4-4-4v3z"/></svg>
        </span>
      </button>
    </form>

    <p class="auth-card__footer">
      Already have an account? <a href="/login/" class="auth-card__link">Log in</a>
    </p>
  </div>
</div>

<script>
(function () {
  var BACKEND = 'https://backend.freedoms4.org/auth.php';

  var form      = document.getElementById('signup-form');
  var msgBox    = document.getElementById('auth-message');
  var submitBtn = document.getElementById('signup-submit');
  var pwdInput  = document.getElementById('signup-password');
  var eyeBtn    = form.querySelector('.auth-form__eye');

  eyeBtn.addEventListener('click', function () {
    var isText = pwdInput.type === 'text';
    pwdInput.type = isText ? 'password' : 'text';
    eyeBtn.querySelector('.eye-show').style.display = isText ? '' : 'none';
    eyeBtn.querySelector('.eye-hide').style.display = isText ? 'none' : '';
  });

  function showMsg(text, type) {
    msgBox.textContent = text;
    msgBox.className = 'auth-message auth-message--' + type;
    msgBox.style.display = 'block';
  }

  form.addEventListener('submit', function (e) {
    e.preventDefault();
    msgBox.style.display = 'none';

    var username = document.getElementById('signup-username').value.trim();
    var email    = document.getElementById('signup-email').value.trim();
    var password = pwdInput.value;
    var confirm  = document.getElementById('signup-confirm').value;

    if (!username || !email || !password || !confirm) {
      showMsg('Please fill in all fields.', 'error');
      return;
    }
    if (!/^[a-zA-Z0-9_\-]{3,32}$/.test(username)) {
      showMsg('Username must be 3\u201332 characters: letters, numbers, _ or -.', 'error');
      return;
    }
    if (password.length < 8) {
      showMsg('Password must be at least 8 characters.', 'error');
      return;
    }
    if (password !== confirm) {
      showMsg('Passwords do not match.', 'error');
      return;
    }

    submitBtn.disabled = true;
    submitBtn.querySelector('.auth-form__submit-text').style.display = 'none';
    submitBtn.querySelector('.auth-form__submit-loader').style.display = 'inline-flex';

    fetch(BACKEND, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      credentials: 'include',
      body: JSON.stringify({ action: 'signup', username: username, email: email, password: password })
    })
      .then(function (r) { return r.json(); })
      .then(function (data) {
        if (data.success) {
          showMsg('Account created! Redirecting to login\u2026', 'success');
          setTimeout(function () { window.location.href = '/login/'; }, 1500);
        } else {
          showMsg(data.message || 'Sign-up failed. Please try again.', 'error');
        }
      })
      .catch(function () {
        showMsg('Network error. Please try again.', 'error');
      })
      .finally(function () {
        submitBtn.disabled = false;
        submitBtn.querySelector('.auth-form__submit-text').style.display = '';
        submitBtn.querySelector('.auth-form__submit-loader').style.display = 'none';
      });
  });
})();
</script>
{{ end }}