Bootstrap 5 Login Page (3 Modern Layouts)

<section class="wdw-stage">
  <div class="container" style="max-width:960px">
    <div class="d-flex justify-content-center mb-4">
      <ul class="nav nav-pills lg-seg rounded-pill p-1" role="tablist" aria-label="Login layout">
        <li class="nav-item" role="presentation"><button class="nav-link rounded-pill px-4 active" data-bs-toggle="pill" data-bs-target="#lg0" type="button" role="tab" aria-selected="true">Split</button></li>
        <li class="nav-item" role="presentation"><button class="nav-link rounded-pill px-4" data-bs-toggle="pill" data-bs-target="#lg1" type="button" role="tab" aria-selected="false">Centered</button></li>
        <li class="nav-item" role="presentation"><button class="nav-link rounded-pill px-4" data-bs-toggle="pill" data-bs-target="#lg2" type="button" role="tab" aria-selected="false">Banner</button></li>
      </ul>
    </div>
    <div class="tab-content">
      <div class="tab-pane fade show active" id="lg0" role="tabpanel">
        <div class="wdw-card overflow-hidden"><div class="row g-0">
          <div class="col-md-6 wdw-aurora p-4 p-md-5 d-flex flex-column justify-content-between lg-side">
            <span class="small fw-semibold text-uppercase opacity-75" style="letter-spacing:.08em">What will you build today?</span>
            <div><h2 class="display-6 fw-bold mb-3" style="letter-spacing:-.02em">Let’s get started.</h2><p class="opacity-75 mb-0">Sign in to open your workspace, pick up recent projects and invite your team.</p></div>
          </div>
          <div class="col-md-6 p-4 p-md-5"><div class="mx-auto" style="max-width:340px">
            <h1 class="wdw-heading h3 mb-1">Sign in</h1><p class="wdw-muted mb-4">Need an account? <a href="#" class="fw-semibold text-decoration-none">Sign up</a></p>
            <form class="d-grid gap-3" onsubmit="return false"><div><label class="form-label small fw-semibold" for="a-u">Email or username</label><div class="input-group"><span class="input-group-text bg-transparent text-body-secondary lg-ico"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.9" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="8" r="4"/><path d="M4 21a8 8 0 0 1 16 0"/></svg></span><input type="text" class="form-control lg-in" id="a-u" placeholder="[email protected]" autocomplete="username"></div></div><div><label class="form-label small fw-semibold" for="a-p">Password</label><div class="input-group"><span class="input-group-text bg-transparent text-body-secondary lg-ico"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.9" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="4" y="11" width="16" height="10" rx="2"/><path d="M8 11V7a4 4 0 0 1 8 0v4"/></svg></span><input type="password" class="form-control lg-in" id="a-p" placeholder="Enter your password" autocomplete="current-password"></div></div><div class="d-flex justify-content-between align-items-center"><div class="form-check"><input class="form-check-input" type="checkbox" id="a-rm"><label class="form-check-label small" for="a-rm">Remember me</label></div><a href="#" class="small fw-semibold text-decoration-none">Forgot password?</a></div><button class="btn btn-primary rounded-pill w-100" type="submit">Sign in</button></form>
          </div></div>
        </div></div>
      </div>
      <div class="tab-pane fade" id="lg1" role="tabpanel">
        <div class="wdw-card mx-auto p-4 p-md-5" style="max-width:440px">
          <div class="text-center mb-4"><span class="wdw-icon mb-3" style="width:3.5rem;height:3.5rem;border-radius:1.1rem"><svg width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.9" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="8" r="4"/><path d="M4 21a8 8 0 0 1 16 0"/></svg></span>
          <h1 class="wdw-heading h3 mb-1">Login to your account</h1><p class="wdw-muted mb-0">Welcome back. Enter your details below.</p></div>
          <form class="d-grid gap-3" onsubmit="return false"><div><label class="form-label small fw-semibold" for="b-u">Email or username</label><div class="input-group"><span class="input-group-text bg-transparent text-body-secondary lg-ico"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.9" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="8" r="4"/><path d="M4 21a8 8 0 0 1 16 0"/></svg></span><input type="text" class="form-control lg-in" id="b-u" placeholder="[email protected]" autocomplete="username"></div></div><div><label class="form-label small fw-semibold" for="b-p">Password</label><div class="input-group"><span class="input-group-text bg-transparent text-body-secondary lg-ico"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.9" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="4" y="11" width="16" height="10" rx="2"/><path d="M8 11V7a4 4 0 0 1 8 0v4"/></svg></span><input type="password" class="form-control lg-in" id="b-p" placeholder="Enter your password" autocomplete="current-password"></div></div><div class="d-flex justify-content-between align-items-center"><div class="form-check"><input class="form-check-input" type="checkbox" id="b-rm"><label class="form-check-label small" for="b-rm">Remember me</label></div><a href="#" class="small fw-semibold text-decoration-none">Forgot password?</a></div><button class="btn btn-primary rounded-pill w-100" type="submit">Sign in</button></form>
          <hr class="my-4"><div class="rounded-4 bg-body-tertiary p-3"><div class="fw-bold text-body-emphasis mb-1">Forgot password?</div><p class="small wdw-muted mb-0">No problem, <a href="#" class="fw-semibold text-decoration-none">click here</a> to get a new password.</p></div>
        </div>
      </div>
      <div class="tab-pane fade" id="lg2" role="tabpanel">
        <div class="wdw-card overflow-hidden mx-auto" style="max-width:440px">
          <div class="wdw-aurora text-center py-4 px-4"><h1 class="h3 fw-bold mb-1">Welcome back</h1><p class="small opacity-75 mb-0">Log in to continue</p></div>
          <div class="p-4 p-md-5"><form class="d-grid gap-3" onsubmit="return false"><div><label class="form-label small fw-semibold" for="c-u">Email or username</label><div class="input-group"><span class="input-group-text bg-transparent text-body-secondary lg-ico"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.9" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="8" r="4"/><path d="M4 21a8 8 0 0 1 16 0"/></svg></span><input type="text" class="form-control lg-in" id="c-u" placeholder="[email protected]" autocomplete="username"></div></div><div><label class="form-label small fw-semibold" for="c-p">Password</label><div class="input-group"><span class="input-group-text bg-transparent text-body-secondary lg-ico"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.9" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="4" y="11" width="16" height="10" rx="2"/><path d="M8 11V7a4 4 0 0 1 8 0v4"/></svg></span><input type="password" class="form-control lg-in" id="c-p" placeholder="Enter your password" autocomplete="current-password"></div></div><div class="d-flex justify-content-between align-items-center"><div class="form-check"><input class="form-check-input" type="checkbox" id="c-rm"><label class="form-check-label small" for="c-rm">Remember me</label></div><a href="#" class="small fw-semibold text-decoration-none">Forgot password?</a></div><button class="btn btn-primary rounded-pill w-100" type="submit">Sign in</button></form><p class="text-center small wdw-muted mt-4 mb-0">New here? <a href="#" class="fw-semibold text-decoration-none">Create an account</a></p></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 */
.lg-seg { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); box-shadow: var(--wdw-shadow-sm); }
.lg-seg .nav-link { min-height: 40px; font-weight: 600; }
[data-bs-theme="dark"] .lg-seg .nav-link.active { color: #0f1117; }
@media (min-width: 768px) { .lg-side { min-height: 440px; } }
.lg-ico { border-right: 0; border-radius: .75rem 0 0 .75rem; }
.lg-in { border-left: 0; border-radius: 0 .75rem .75rem 0 !important; }
.input-group:focus-within .lg-ico, .input-group:focus-within .lg-in { border-color: rgba(var(--bs-primary-rgb), .6); }
.input-group:focus-within { border-radius: .75rem; box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.lg-in:focus { box-shadow: none; }
.wdw-card hr { opacity: .15; }

// Layout tabs use Bootstrap pill tabs.