Bootstrap 5 Login, Sign Up and Reset Password Form

<section class="wdw-stage">
  <div class="container" style="max-width: 920px">
    <div class="wdw-card overflow-hidden">
      <div class="row g-0">
        <div class="col-md-5 wdw-aurora p-4 p-lg-5 d-flex flex-column justify-content-between gap-5">
          <span class="fw-bold fs-5 d-inline-flex align-items-center gap-2"><svg width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M12 2 3 7v6c0 5 3.800 8.500 9 9 5.200-.5 9-4 9-9V7z"/><path d="m9 12 2 2 4-4"/></svg>Acme</span>
          <div>
            <h2 class="h2 fw-bold mb-3">One account for everything you build.</h2>
            <p class="mb-0 opacity-75">Sign in, create an account or reset your password, all in one place.</p>
          </div>
        </div>
        <div class="col-md-7 p-4 p-lg-5">
          <div class="nav nav-pills nav-fill bg-body-tertiary rounded-pill p-1 mb-4" role="tablist" aria-label="Account">
            <button class="nav-link rounded-pill active" id="t-in" data-bs-toggle="pill" data-bs-target="#p-in" type="button" role="tab" aria-controls="p-in" aria-selected="true">Sign in</button>
            <button class="nav-link rounded-pill" id="t-up" data-bs-toggle="pill" data-bs-target="#p-up" type="button" role="tab" aria-controls="p-up" aria-selected="false">Sign up</button>
            <button class="nav-link rounded-pill" id="t-rs" data-bs-toggle="pill" data-bs-target="#p-rs" type="button" role="tab" aria-controls="p-rs" aria-selected="false">Reset</button>
          </div>
          <div class="tab-content">
            <form class="tab-pane show active" id="p-in" role="tabpanel" aria-labelledby="t-in" novalidate>
              <h1 class="wdw-heading h4 mb-1">Welcome back</h1>
              <p class="wdw-muted mb-4">Enter your details to sign in.</p>
              <div class="form-floating mb-3"><input type="email" class="form-control" id="inEmail" placeholder="Email" autocomplete="email"><label for="inEmail">Email address</label></div>
              <div class="form-floating mb-3"><input type="password" class="form-control" id="inPass" placeholder="Password" autocomplete="current-password"><label for="inPass">Password</label></div>
              <div class="d-flex justify-content-between align-items-center mb-4"><div class="form-check"><input class="form-check-input" type="checkbox" id="inRem"><label class="form-check-label small" for="inRem">Remember me</label></div><a href="#p-rs" class="small text-decoration-none" data-goto="t-rs">Forgot password?</a></div>
              <button type="submit" class="btn btn-primary rounded-pill w-100">Sign in</button>
            </form>
            <form class="tab-pane" id="p-up" role="tabpanel" aria-labelledby="t-up" novalidate>
              <h1 class="wdw-heading h4 mb-1">Create account</h1>
              <p class="wdw-muted mb-4">Start building in under a minute.</p>
              <div class="form-floating mb-3"><input type="text" class="form-control" id="upName" placeholder="Full name" autocomplete="name"><label for="upName">Full name</label></div>
              <div class="form-floating mb-3"><input type="email" class="form-control" id="upEmail" placeholder="Email" autocomplete="email"><label for="upEmail">Email address</label></div>
              <div class="form-floating mb-4"><input type="password" class="form-control" id="upPass" placeholder="Password" autocomplete="new-password"><label for="upPass">Password</label></div>
              <button type="submit" class="btn btn-primary rounded-pill w-100">Create account</button>
            </form>
            <form class="tab-pane" id="p-rs" role="tabpanel" aria-labelledby="t-rs" novalidate>
              <h1 class="wdw-heading h4 mb-1">Reset password</h1>
              <p class="wdw-muted mb-4">We will email you a link to choose a new one.</p>
              <div class="form-floating mb-4"><input type="email" class="form-control" id="rsEmail" placeholder="Email" autocomplete="email"><label for="rsEmail">Email address</label></div>
              <button type="submit" class="btn btn-primary rounded-pill w-100">Send reset link</button>
            </form>
          </div>
          <div class="alert alert-success rounded-4 mt-3 mb-0 d-none" id="authMsg" role="status"></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 */

function initDualLogin() {
  const msg = document.getElementById('authMsg');
  if (!msg) return;
  const text = {
    'p-in': 'Signed in. Redirecting to your dashboard...',
    'p-up': 'Account created. Check your inbox to confirm.',
    'p-rs': 'Reset link sent. It expires in one hour.'
  };
  document.querySelectorAll('.tab-pane').forEach(function (f) {
    f.addEventListener('submit', function (e) {
      e.preventDefault();
      msg.textContent = text[f.id];
      msg.classList.remove('d-none');
    });
  });
  document.querySelectorAll('[data-bs-toggle="pill"]').forEach(function (t) {
    t.addEventListener('show.bs.tab', function () { msg.classList.add('d-none'); });
  });
  const link = document.querySelector('[data-goto]');
  if (link) link.addEventListener('click', function (e) {
    e.preventDefault();
    bootstrap.Tab.getOrCreateInstance(document.getElementById(link.dataset.goto)).show();
  });
}
initDualLogin();