.login-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  overflow-y: auto;
}

.login-title {
  font-size: 28px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 8px;
  color: var(--nli-primary);
}

.login-logo {
  width: 240px;
  margin: 0 auto 48px;
}

.login-subtitle {
  font-size: 16px;
  color: var(--nli-gray-800);
  text-align: center;
  margin-bottom: 40px;
}

.login-form {
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
}

.social-login {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: white;
  color: var(--nli-gray-900);
  border: 1px solid var(--nli-gray-300);
  position: relative;
  margin-bottom: 12px;
  font-weight: 500;
  font-size: 16px;
  padding: 16px 24px;
  transition: all 0.2s;
  border-radius: 8px;
  cursor: pointer;
}

.btn-social:hover {
  border-color: var(--nli-gray-400);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.btn-social.btn-google {
  border-color: #4285F4;
  color: #4285F4;
}

.btn-social.btn-apple {
  background: #000;
  color: #fff;
  border-color: #000;
}

.btn-social svg {
  width: 20px;
  height: 20px;
}

.btn-social:active {
  transform: scale(0.98);
}

.btn-social:focus {
  outline: 2px solid var(--nli-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--nli-primary);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 16px 24px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
  margin: 12px 0;
}

.btn-primary:hover {
  background: var(--nli-primary-dark);
}

.hidden {
  display: none;
}

.auth-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--nli-gray-100);
  border-radius: 8px;
  margin-top: 24px;
  font-size: 14px;
  color: var(--nli-gray-800);
}

.auth-notice svg {
  flex-shrink: 0;
  color: var(--nli-success);
}