:root {
    --lv-primary: #182433;
    --lv-primary-2: #2a3a52;
    --lv-accent: #c8e85a;
    --lv-dark: #0e1722;
    --lv-muted: #6b7a8a;
    --lv-bg: #f5f7fb;
  }

  body { background: var(--lv-bg); }

  .lv-signin {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
    background: var(--lv-bg);
  }

  /* Left brand panel */
  .lv-brand-panel {
    position: relative;
    overflow: hidden;
    color: #fff;
    background: linear-gradient(135deg, #0e1722 0%, #182433 55%, #2a3a52 100%);
    padding: 3rem 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .lv-brand-panel::before,
  .lv-brand-panel::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0.14;
    pointer-events: none;
  }
  .lv-brand-panel::before {
    width: 480px; height: 480px;
    background: var(--lv-accent);
    top: -160px; right: -180px;
  }
  .lv-brand-panel::after {
    width: 360px; height: 360px;
    background: #ffffff;
    bottom: -160px; left: -120px;
    opacity: 0.06;
  }

  .lv-brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    z-index: 1;
  }
  .lv-brand-logo img {
    height: 42px;
    width: auto;
    border-radius: 8px;
    background: #fff;
    padding: 4px 8px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  }

  .lv-brand-content { z-index: 1; max-width: 460px; }
  .lv-brand-eyebrow {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.75rem;
    color: var(--lv-accent);
    margin-bottom: 1rem;
    font-weight: 600;
  }
  .lv-brand-title {
    font-size: 2.15rem;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 1rem;
  }
  .lv-brand-sub {
    color: rgba(255,255,255,0.78);
    font-size: 0.98rem;
    line-height: 1.65;
    margin-bottom: 2rem;
  }
  .lv-features {
    list-style: none; padding: 0; margin: 0;
    display: grid; gap: 0.85rem;
  }
  .lv-features li {
    display: flex; align-items: flex-start; gap: 0.75rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.78);
    line-height: 1.5;
  }
  .lv-feat-check {
    flex-shrink: 0;
    width: 20px; height: 20px;
    border-radius: 50%;
    border: 1px solid rgba(200, 232, 90, 0.45);
    background: rgba(200, 232, 90, 0.08);
    color: var(--lv-accent);
    display: inline-flex; align-items: center; justify-content: center;
    margin-top: 1px;
  }
  .lv-feat-check svg { width: 12px; height: 12px; }

  .lv-brand-footer {
    z-index: 1;
    color: rgba(255,255,255,0.55);
    font-size: 0.8rem;
  }

  /* Right form panel */
  .lv-form-panel {
    display: flex; align-items: center; justify-content: center;
    padding: 3rem 1.5rem;
  }
  .lv-form-card {
    width: 100%;
    max-width: 420px;
  }
  .lv-form-logo {
    display: block;
    height: 100px;
    width: auto;
    margin: 0 auto 1.25rem;
  }
  .lv-form-card h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--lv-dark);
    margin-bottom: 0.35rem;
    text-align: center;
  }
  .lv-form-card .lv-sub {
    color: var(--lv-muted);
    margin-bottom: 1.75rem;
    font-size: 0.95rem;
    text-align: center;
  }
  .lv-input-group {
    position: relative;
    margin-bottom: 1rem;
  }
  .lv-input-group .form-control {
    height: 50px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    padding-left: 2.75rem;
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
  }
  .lv-input-group .form-control:focus {
    border-color: var(--lv-primary-2);
    box-shadow: 0 0 0 3px rgba(42, 58, 82, 0.18);
  }
  .lv-input-icon {
    position: absolute;
    left: 14px; top: 50%; transform: translateY(-50%);
    color: var(--lv-muted);
    pointer-events: none;
  }
  .lv-pwd-toggle {
    position: absolute;
    right: 10px; top: 50%; transform: translateY(-50%);
    background: transparent; border: 0;
    color: var(--lv-muted);
    padding: 6px; cursor: pointer;
    border-radius: 6px;
  }
  .lv-pwd-toggle:hover { background: #eef2f7; color: var(--lv-dark); }

  .lv-row-between {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
  }
  .lv-row-between a {
    color: var(--lv-primary);
    text-decoration: none;
    font-weight: 500;
  }
  .lv-row-between a:hover { text-decoration: underline; }

  .lv-btn-primary {
    height: 50px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--lv-primary) 0%, var(--lv-primary-2) 100%);
    border: 0;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
    transition: transform .08s ease, box-shadow .15s ease, opacity .15s;
    box-shadow: 0 8px 20px rgba(24, 36, 51, 0.28);
  }
  .lv-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(24, 36, 51, 0.36); }
  .lv-btn-primary:active { transform: translateY(0); }

  .lv-divider {
    display: flex; align-items: center; gap: 0.75rem;
    color: var(--lv-muted); font-size: 0.8rem;
    margin: 1.5rem 0;
  }
  .lv-divider::before, .lv-divider::after {
    content: ""; flex: 1; height: 1px; background: #e2e8f0;
  }

  .lv-foot {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--lv-muted);
    font-size: 0.825rem;
  }
  .lv-foot a { color: var(--lv-primary); text-decoration: none; }
  .lv-foot a:hover { text-decoration: underline; }

  .lv-meta {
    text-align: center;
    color: #aab4c0;
    font-size: 0.7rem;
    margin-top: 0.75rem;
  }

  /* Alerts */
  .lv-alert {
    border-radius: 10px;
    border: 1px solid transparent;
    padding: 0.85rem 1rem;
    display: flex; align-items: center; gap: 0.65rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }
  .lv-alert-success { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
  .lv-alert-danger  { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
  .lv-alert-info    { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }
  .lv-alert svg { flex-shrink: 0; }

  /* Responsive */
  @media (max-width: 991.98px) {
    .lv-brand-panel { display: none; }
    .lv-form-panel { padding: 2rem 1rem; }
  }
  
  .lv-brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
    z-index: 1;
  }
  .lv-brand-logo .lv-logo-mark {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--lv-accent);
    color: var(--lv-dark);
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 800;
    box-shadow: 0 6px 18px rgba(200, 232, 90, 0.35);
  }