/* B2B login pages — shared header nav, centered card, form controls */

.b2b-auth-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.b2b-auth-nav-link {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: #475569;
  padding: 6px 4px;
  border-radius: 6px;
  transition: color 0.15s ease;
}

.b2b-auth-nav-link:hover {
  color: #ef3d2f;
}

.b2b-auth-shell {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  padding: 24px 18px;
}

.b2b-auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  padding: 28px 24px;
}

.b2b-auth-title {
  margin: 0 0 20px;
  font-size: 26px;
  font-weight: 800;
  color: #111;
  line-height: 1.2;
}

.b2b-auth-subtitle {
  margin: -12px 0 20px;
  font-size: 15px;
  color: #64748b;
  line-height: 1.45;
}

.b2b-auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.b2b-auth-field > label:first-child {
  display: block;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 6px;
  color: #334155;
}

.b2b-auth-field input[type="text"],
.b2b-auth-field input[type="password"],
.b2b-auth-field input[type="tel"] {
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #cfd6df;
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
}

.b2b-auth-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 500;
  color: #555;
  cursor: pointer;
}

.b2b-auth-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: #ef3d2f;
}

.b2b-auth-submit {
  width: 100%;
  margin-top: 4px;
  min-height: 46px;
  border: 0;
  border-radius: 11px;
  background: #ef3d2f;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s ease;
}

.b2b-auth-submit:hover {
  background: #d93628;
}

.b2b-auth-error {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #b91c1c;
  line-height: 1.4;
}

.b2b-auth-error:empty {
  display: none;
}

.b2b-auth-card .form-error {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  margin: 0 0 12px;
  color: #b91c1c;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.b2b-auth-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #ececec;
  text-align: center;
}

.b2b-auth-register,
.b2b-auth-help {
  margin: 0 0 10px;
  font-size: 14px;
  color: #64748b;
  line-height: 1.45;
}

.b2b-auth-help:last-child {
  margin-bottom: 0;
}

.b2b-auth-footer a {
  color: #ef3d2f;
  font-weight: 700;
  text-decoration: none;
}

.b2b-auth-footer a:hover {
  text-decoration: underline;
}

.b2b-auth-shell.hidden {
  display: none !important;
}

@media (max-width: 640px) {
  .b2b-auth-shell {
    min-height: calc(100vh - 60px);
    padding: 16px;
  }

  .b2b-auth-card {
    padding: 22px 18px;
  }

  .b2b-auth-title {
    font-size: 22px;
  }
}