Bootstrap 5 Registration Form with Plan Selection

<section class="wdw-stage">
  <div class="container" style="max-width:1020px">
    <div class="wdw-card overflow-hidden">
      <div class="row g-0">
        <aside class="col-lg-4 d-none d-lg-flex wdw-aurora reg-side p-4 flex-column justify-content-between">
          <div>
            <span class="wdw-eyebrow text-white-50">Get started</span>
            <h1 class="fw-bold h3 mt-2 mb-2" style="letter-spacing:-.02em">Create your account</h1>
            <p class="opacity-75 small mb-0">Pick a plan, add your details and you are in. Change or cancel any time.</p>
          </div>
          <div class="reg-summary rounded-4 p-3" aria-live="polite">
            <div class="small opacity-75">Your plan</div>
            <div class="d-flex align-items-baseline justify-content-between mt-1"><span class="fw-bold fs-5" id="regPlanName">Deluxe</span><span class="fw-bold fs-4" id="regPlanPrice">$5<span class="small fw-normal opacity-75">/mo</span></span></div>
            <div class="small opacity-75 mt-1" id="regPlanNote">For small teams</div>
          </div>
        </aside>
        <div class="col-lg-8 p-4 p-md-4">
          <h1 class="wdw-heading h4 mb-3 d-lg-none">Create your account</h1>
          <form class="reg-form" id="regForm" novalidate>
            <fieldset class="mb-3"><legend class="reg-legend">Choose a plan</legend>
              <div class="row g-2" role="radiogroup">
                <div class="col-4"><input type="radio" class="btn-check" name="plan" id="plan-free" value="Free" data-price="$0" data-note="For personal projects" autocomplete="off"><label class="reg-plan" for="plan-free"><span class="fw-bold text-body-emphasis">Free</span><span class="fw-bold text-body-emphasis">$0<span class="small fw-normal wdw-muted">/mo</span></span></label></div>
                <div class="col-4"><input type="radio" class="btn-check" name="plan" id="plan-deluxe" value="Deluxe" data-price="$5" data-note="For small teams" autocomplete="off" checked><label class="reg-plan" for="plan-deluxe"><span class="reg-pop badge rounded-pill text-bg-primary">Most popular</span><span class="fw-bold text-body-emphasis">Deluxe</span><span class="fw-bold text-body-emphasis">$5<span class="small fw-normal wdw-muted">/mo</span></span></label></div>
                <div class="col-4"><input type="radio" class="btn-check" name="plan" id="plan-premium" value="Premium" data-price="$10" data-note="For growing companies" autocomplete="off"><label class="reg-plan" for="plan-premium"><span class="fw-bold text-body-emphasis">Premium</span><span class="fw-bold text-body-emphasis">$10<span class="small fw-normal wdw-muted">/mo</span></span></label></div>
              </div>
            </fieldset>
            <fieldset class="mb-3"><legend class="reg-legend">Your details</legend>
              <div class="row g-2">
                <div class="col-sm-6"><div class="form-floating"><input type="text" class="form-control" id="fname" placeholder="First name" autocomplete="given-name" required><label for="fname">First name</label><div class="invalid-feedback">Enter your first name.</div></div></div>
                <div class="col-sm-6"><div class="form-floating"><input type="text" class="form-control" id="lname" placeholder="Last name" autocomplete="family-name" required><label for="lname">Last name</label><div class="invalid-feedback">Enter your last name.</div></div></div>
                <div class="col-12"><div class="form-floating"><input type="text" class="form-control" id="address" placeholder="Address" autocomplete="street-address" required><label for="address">Address</label><div class="invalid-feedback">Enter your address.</div></div></div>
                <div class="col-sm-5"><div class="form-floating"><input type="text" class="form-control" id="city" placeholder="City" autocomplete="address-level2" required><label for="city">City</label><div class="invalid-feedback">Enter a city.</div></div></div>
                <div class="col-sm-4"><div class="form-floating"><select class="form-select" id="state" autocomplete="address-level1" required><option value="" selected>Choose</option><option>Alabama</option><option>Alaska</option><option>Arizona</option><option>California</option><option>Colorado</option><option>Florida</option><option>Georgia</option><option>Illinois</option><option>New York</option><option>Texas</option><option>Washington</option></select><label for="state">State</label><div class="invalid-feedback">Pick a state.</div></div></div>
                <div class="col-sm-3"><div class="form-floating"><input type="text" class="form-control" id="zip" placeholder="Zip code" autocomplete="postal-code" required><label for="zip">Zip</label><div class="invalid-feedback">Required.</div></div></div>
              </div>
            </fieldset>
            <fieldset class="mb-3"><legend class="reg-legend">Account login</legend>
              <div class="row g-2">
                <div class="col-12"><div class="form-floating"><input type="email" class="form-control" id="email" placeholder="Email" autocomplete="email" required><label for="email">Email</label><div class="invalid-feedback">Enter a valid email address.</div></div></div>
                <div class="col-sm-6"><div class="input-group has-validation"><div class="form-floating"><input type="password" class="form-control" id="cr_password" placeholder="Create password" autocomplete="new-password" minlength="8" required><label for="cr_password">Create password</label></div><button class="btn btn-outline-secondary reg-eye" type="button" data-toggle-pass="#cr_password" aria-label="Show password" aria-pressed="false"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M2 12s3.6-7 10-7 10 7 10 7-3.6 7-10 7S2 12 2 12z"/><circle cx="12" cy="12" r="3"/></svg></button><div class="invalid-feedback">At least 8 characters.</div></div></div>
                <div class="col-sm-6"><div class="form-floating"><input type="password" class="form-control" id="conf_password" placeholder="Confirm password" autocomplete="new-password" required><label for="conf_password">Confirm password</label><div class="invalid-feedback">Passwords must match.</div></div></div>
              </div>
            </fieldset>
            <button type="submit" class="btn btn-primary rounded-pill w-100">Create account</button>
            <p class="small wdw-muted text-center mt-2 mb-0">By signing up you agree to our <a href="#" class="text-decoration-none fw-semibold">Terms</a> and <a href="#" class="text-decoration-none fw-semibold">Privacy Policy</a>.</p>
          </form>
          <div class="reg-success text-center py-5 d-none" id="regSuccess" role="status" tabindex="-1">
            <div class="reg-done mx-auto mb-3"><svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12.5 4.5 4.5L19 7.5"/></svg></div>
            <h2 class="h4 fw-bold text-body-emphasis">Welcome aboard, <span id="regName">friend</span></h2>
            <p class="wdw-muted mb-4">Your <strong id="regDonePlan">Deluxe</strong> account is ready. We sent a confirmation to your email.</p>
            <button type="button" class="btn btn-outline-primary rounded-pill px-4" id="regReset">Start over</button>
          </div>
        </div>
      </div>
    </div>
  </div>
</section>

/* Web Designer Wall library style — shared base for every Bootstrap 5 snippet.
   Indigo accent, Plus Jakarta Sans, soft cards, pill buttons. Works in light and dark. */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root,
[data-bs-theme="light"] {
  --wdw-font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-family: var(--wdw-font);
  --bs-primary: #4f46e5;
  --bs-primary-rgb: 79, 70, 229;
  --bs-primary-text-emphasis: #3730a3;
  --bs-primary-bg-subtle: #eef2ff;
  --bs-primary-border-subtle: #c7d2fe;
  --bs-link-color: #4f46e5;
  --bs-link-color-rgb: 79, 70, 229;
  --bs-link-hover-color: #4338ca;
  --bs-link-hover-color-rgb: 67, 56, 202;
  --bs-focus-ring-color: rgba(79, 70, 229, 0.25);
  --bs-border-radius: 0.75rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-radius-xl: 1.25rem;
  --wdw-radius-card: 1.25rem;
  --wdw-shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 16px 40px -16px rgba(16, 24, 40, 0.22);
  --wdw-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 12px -4px rgba(16, 24, 40, 0.12);
  --wdw-stage: #f5f6fb;
}

[data-bs-theme="dark"] {
  --bs-primary: #818cf8;
  --bs-primary-rgb: 129, 140, 248;
  --bs-primary-text-emphasis: #c7d2fe;
  --bs-primary-bg-subtle: rgba(129, 140, 248, 0.14);
  --bs-primary-border-subtle: rgba(129, 140, 248, 0.35);
  --bs-link-color: #a5b4fc;
  --bs-link-color-rgb: 165, 180, 252;
  --bs-link-hover-color: #c7d2fe;
  --bs-link-hover-color-rgb: 199, 210, 254;
  --bs-focus-ring-color: rgba(129, 140, 248, 0.35);
  --wdw-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.7);
  --wdw-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 12px -4px rgba(0, 0, 0, 0.5);
  --wdw-stage: #0f1117;
}

body { font-family: var(--wdw-font); -webkit-font-smoothing: antialiased; }

/* Bootstrap compiles its blue into these components; point them at the accent. */
.btn-primary {
  --bs-btn-bg: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: #4338ca; --bs-btn-hover-border-color: #4338ca;
  --bs-btn-active-bg: #3730a3; --bs-btn-active-border-color: #3730a3;
  --bs-btn-disabled-bg: var(--bs-primary); --bs-btn-disabled-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
[data-bs-theme="dark"] .btn-primary { --bs-btn-color: #0f1117; --bs-btn-hover-bg: #a5b4fc; --bs-btn-hover-border-color: #a5b4fc; --bs-btn-hover-color: #0f1117; --bs-btn-active-color: #0f1117; }
.btn-outline-primary {
  --bs-btn-color: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-primary); --bs-btn-hover-border-color: var(--bs-primary);
  --bs-btn-active-bg: var(--bs-primary); --bs-btn-active-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
.btn { --bs-btn-font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; }
.btn-sm { min-height: 36px; }
.form-control, .form-select { min-height: 44px; border-radius: .75rem; }
.form-control:focus, .form-select:focus, .form-check-input:focus { border-color: rgba(var(--bs-primary-rgb), .6); box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.form-check-input:checked { background-color: var(--bs-primary); border-color: var(--bs-primary); }
.nav-pills { --bs-nav-pills-link-active-bg: var(--bs-primary); }
.nav { --bs-nav-link-color: var(--bs-secondary-color); --bs-nav-link-hover-color: var(--bs-emphasis-color); }
.pagination { --bs-pagination-active-bg: var(--bs-primary); --bs-pagination-active-border-color: var(--bs-primary); --bs-pagination-color: var(--bs-body-color); --bs-pagination-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.progress, .progress-stacked { --bs-progress-bar-bg: var(--bs-primary); }
.list-group { --bs-list-group-active-bg: var(--bs-primary); --bs-list-group-active-border-color: var(--bs-primary); }
.dropdown-menu { --bs-dropdown-link-active-bg: var(--bs-primary); border-radius: .875rem; box-shadow: var(--wdw-shadow-sm); }
.accordion { --bs-accordion-active-bg: var(--bs-primary-bg-subtle); --bs-accordion-active-color: var(--bs-primary-text-emphasis); --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.badge { font-weight: 600; }

/* Library building blocks — use these instead of re-inventing them per snippet. */
.wdw-stage { min-height: 100vh; display: flex; align-items: center; background: var(--wdw-stage); padding-block: 3rem; }
.wdw-card { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: var(--wdw-radius-card); box-shadow: var(--wdw-shadow); }
.wdw-card-sm { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: 1rem; box-shadow: var(--wdw-shadow-sm); }
.wdw-aurora { position: relative; color: #fff; background: radial-gradient(60% 55% at 100% 0, #818cf8 0, transparent 70%), radial-gradient(65% 60% at 0 100%, #ec4899 0, transparent 65%), #1e1b4b; }
.wdw-eyebrow { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--bs-primary); }
.wdw-heading { font-weight: 800; letter-spacing: -.02em; color: var(--bs-emphasis-color); }
.wdw-muted { color: var(--bs-secondary-color); }
.wdw-icon { width: 2.75rem; height: 2.75rem; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: .875rem; background: var(--bs-primary-bg-subtle); color: var(--bs-primary); }

/* Component */
.reg-side { min-height: 560px; }
.reg-summary { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); }
.reg-form fieldset { border: 0; padding: 0; min-width: 0; }
.reg-legend { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--bs-secondary-color); margin-bottom: .5rem; float: none; width: auto; }
.reg-form .form-control, .reg-form .form-select { min-height: 3.25rem; }
.reg-plan { position: relative; display: flex; flex-direction: column; gap: .15rem; height: 100%; padding: .75rem .9rem; border: 1.5px solid var(--bs-border-color); border-radius: 1rem; cursor: pointer; transition: border-color .15s, background-color .15s, box-shadow .15s; }
.reg-plan:hover { background: var(--bs-tertiary-bg); }
.reg-pop { position: absolute; top: -.6rem; right: .6rem; font-size: .65rem; }
.btn-check:checked + .reg-plan { border-color: var(--bs-primary); background: var(--bs-primary-bg-subtle); box-shadow: 0 0 0 .2rem var(--bs-focus-ring-color); }
.btn-check:focus-visible + .reg-plan { outline: 2px solid var(--bs-primary); outline-offset: 2px; }
.reg-eye { --bs-btn-color: var(--bs-body-color); --bs-btn-hover-color: var(--bs-body-color); --bs-btn-hover-bg: var(--bs-tertiary-bg); --bs-btn-active-color: var(--bs-body-color); --bs-btn-active-bg: var(--bs-secondary-bg); --bs-btn-border-color: var(--bs-border-color); --bs-btn-hover-border-color: var(--bs-border-color); --bs-btn-active-border-color: var(--bs-border-color); width: 3rem; border-radius: 0 .75rem .75rem 0 !important; }
.input-group > .form-floating > .form-control { border-radius: .75rem 0 0 .75rem !important; }
.input-group > .invalid-feedback { flex: 0 0 100%; }
.reg-done { width: 4rem; height: 4rem; border-radius: 50%; display: grid; place-items: center; background: var(--bs-success-bg-subtle); color: var(--bs-success-text-emphasis); }
.reg-success:focus { outline: none; }

function initPlanSummary() {
  const name = document.getElementById('regPlanName');
  const price = document.getElementById('regPlanPrice');
  const note = document.getElementById('regPlanNote');
  if (!name || !price || !note) return;
  document.querySelectorAll('input[name="plan"]').forEach((r) => {
    const update = () => {
      if (!r.checked) return;
      name.textContent = r.value;
      price.innerHTML = r.dataset.price + '<span class="small fw-normal opacity-75">/mo</span>';
      note.textContent = r.dataset.note;
    };
    r.addEventListener('change', update);
    update();
  });
}

function initPasswordToggle() {
  document.querySelectorAll('[data-toggle-pass]').forEach((btn) => {
    const input = document.querySelector(btn.dataset.togglePass);
    if (!input) return;
    btn.addEventListener('click', () => {
      const show = input.type === 'password';
      input.type = show ? 'text' : 'password';
      btn.setAttribute('aria-pressed', show ? 'true' : 'false');
      btn.setAttribute('aria-label', show ? 'Hide password' : 'Show password');
    });
  });
}

function initRegisterForm() {
  const form = document.getElementById('regForm');
  const success = document.getElementById('regSuccess');
  if (!form || !success) return;
  const pass = document.getElementById('cr_password');
  const conf = document.getElementById('conf_password');
  const check = () => conf.setCustomValidity(conf.value && conf.value !== pass.value ? 'mismatch' : '');
  pass.addEventListener('input', check);
  conf.addEventListener('input', check);
  form.addEventListener('submit', (e) => {
    e.preventDefault();
    check();
    form.classList.add('was-validated');
    if (!form.checkValidity()) {
      const bad = form.querySelector(':invalid');
      if (bad) bad.focus();
      return;
    }
    document.getElementById('regName').textContent = document.getElementById('fname').value.trim();
    document.getElementById('regDonePlan').textContent = form.querySelector('input[name="plan"]:checked').value;
    form.classList.add('d-none');
    success.classList.remove('d-none');
    success.focus();
  });
  document.getElementById('regReset').addEventListener('click', () => {
    form.reset();
    form.classList.remove('was-validated', 'd-none');
    success.classList.add('d-none');
    form.querySelector('input[name="plan"]:checked').dispatchEvent(new Event('change'));
  });
}

initPlanSummary();
initPasswordToggle();
initRegisterForm();